Entries |
Document | Title | Date |
20080198572 | LED lighting systems including luminescent layers on remote reflectors - A lighting system may include a substrate and a light emitting device (LED) on the substrate, and the light emitting device may be configured to transmit light having a first wavelength along a path away from the substrate. A remote reflector may be spaced apart from the light emitting device, and the light emitting device may be between the substrate and the remote reflector. The remote reflector may also be in the path of the light having the first wavelength transmitted by light emitting device. A luminescent layer may be on a surface of the remote reflector, and the luminescent layer may be configured to convert a portion of the light having the first wavelength to light having a second wavelength different than the first wavelength. Moreover, the remote reflector may be configured to reflect light having the first and second wavelengths. | 08-21-2008 |
20080198573 | Illumination System Comprising Color Deficiency Compensating Luminescent Material - In order to improve the color rendition of solid-state illumination devices, an illumination system comprising a radiation source capable of emitting primary radiation and a luminescent material comprising a blend of a first phosphor capable of converting the primary radiation into a broad-band emission in the yellow range of the electromagnetic spectrum and a second phosphor capable of converting the primary radiation into a multiple narrow-band emission in the red and green range of the electromagnetic spectrum is provided. | 08-21-2008 |
20080205033 | Lighting Apparatus for Biological and Medical Purposes - The lighting apparatus according to the invention comprises one or several light sources and a light guide including a light outcoupling structure. The lighting apparatus emits light between 280 and 800 nanometers. It is an object of the invention to provide an improved apparatus for scientific and therapeutic purposes with a light source of planar structure, which can be optimally adapted to an exposed area. This is achieved by light sources or parts of them being easily replaceable. The light sources may be fluorescent lamps based on an Hg, Ne, Xe or Xe/Ne discharge or they may also be LEDs. | 08-28-2008 |
20080212305 | Blue Color Composition for Color Filter, Color Filter, and Color Image Display Device - To provide a blue composition for a color filter which realizes an image with a high color purity, a color filter and a color image display device. | 09-04-2008 |
20080218992 | Light emitting diode (LED) based lighting systems - A lighting system comprises at least one excitation source ( | 09-11-2008 |
20080218993 | LED signal lamp - An LED signal lamp ( | 09-11-2008 |
20080225509 | Luminous Body - A luminous body is described, in particular in the form of a planar illumination device for general lighting or for backlighting of displays, wherein the luminous body comprises a plurality of light sources arranged in a housing ( | 09-18-2008 |
20080232083 | High-Luminosity Stress-Stimulated Luminescent Material, Manufacturing Method Thereof, and Use Thereof - The present invention provide a high-luminosity stress-stimulated luminescent material which emits visible light even in daylight, a manufacturing method thereof, and a typical example of the use thereof. The stress-stimulated luminescent material of the present invention satisfies conditions for light emission by at least one of: a luminescence mechanism using static electricity caused by friction; a luminescence mechanism using micro plasma caused by friction; a luminescence mechanism using a piezoelectric effect caused by strain; a luminescence mechanism using lattice defect; and a luminescence mechanism using thermal generation. For example, in case where a base material made of at least one type of aluminate is includes as the stress-stimulated luminescent material, the base material includes a crystal structure with spontaneous polarization, e.g. α-SrAl | 09-25-2008 |
20080232084 | WHITE LIGHT SOURCE DEVICE - Light beams emitted from a blue LED light source of a light source unit are condensed by a condenser lens to enter an entrance end face of a rod lens, and the light beams progress through while being repeatedly reflected several times inside the rod lens. Accordingly, the unevenness of brightness is reduced, and the light enters an fluorescent material sheet bonded to an exit end of the rod lens from the exit end as blue light which is uniformed in illuminance, and white light whose color is seen as the same color viewed in any direction of the fluorescent material sheet is emitted from the fluorescent material sheet. | 09-25-2008 |
20080232085 | Electroluminescent Device with a Light Conversion Element - The invention relates to a light source to emit a mixture of primary and secondary light comprising an electroluminescent device like a light emitting diode LED or a laser, to emit the primary light into a light conversion element ( | 09-25-2008 |
20080253106 | Uv Activated Electronic Window - An area light source ( | 10-16-2008 |
20080253107 | LIGHT EMITTING MODULE - A light emitting module includes a transparent substrate and a plurality of light emitting diodes (LEDs). The transparent substrate has a first surface, a second surface disposed opposite to the first surface and a patterned conductive layer disposed on the first surface of the transparent substrate. The LEDs are disposed on a lateral side of the first surface and are electrically connected with the patterned conductive layer. Light outputted from the LEDs is guided by the transparent substrate and is outputted from the first surface or the second surface. | 10-16-2008 |
20080259589 | LIGHTING DEVICES, METHODS OF LIGHTING, LIGHT FILTERS AND METHODS OF FILTERING LIGHT - A lighting device comprising a white light source, a filter which filters blue light from the white light, and a second light source which emits red light and/or reddish-orange light. In some embodiments, the white light source comprises a solid state light emitter. A method of lighting, comprising illuminating a white light source, illuminating a red and/or reddish-orange light source, the light sources being positioned and oriented such that the light mixes, and filtering blue light from the mixed light. A method of lighting, comprising illuminating a white light source, filtering blue light from the white light, and illuminating a red and/or reddish-orange light source. A light filter, comprising a first filter component which has a wall region and a window region, and a second filter component comprising two or more reflection regions. Also, methods of filtering. | 10-23-2008 |
20080266833 | Illuminated Rigid Body Using Contiguously Illuminated Light Source - A rigid light-passing body is disclosed. Within the body, an electroluminescent strand is supported in a predetermined configuration. In some embodiments, the body may be tubular, with the electroluminescent strand configured in spaced-apart windings around a support extending through the tubular body. In other embodiments related to area lighting, windings or strands may be closely spaced, or touching so that the windings or strands are self-supporting in their predetermined configuration. In other embodiments, there may be multiple strands that produce light of differing colors, the multiple strands attached to a support. The rigid body may also be a spherical shape, with a support therein for supporting at least one electroluminescent strand. For most embodiments, a housing is provided that includes an inverter and battery carrier for providing electrical power to the electroluminescent strand. In other embodiments, electrical power may be provided from an external source. | 10-30-2008 |
20080278927 | Color tunable light source - A color tunable light source comprises: a first light emitting diode (LED) arrangement operable to emit light of a first color and a second LED arrangement operable to emit light of a second color, the combined light output comprising the output of the source. One or both LED arrangements comprises a phosphor provided remote to an associated LED operable to generate excitation energy of a selected wavelength range and to irradiate the phosphor such that it emits light of a different color wherein light emitted by the LED arrangement comprises the combined light from the LED and phosphor and control means operable to control the color by controlling the relative light outputs of the two LED arrangements. The color can be controlled by controlling the relative magnitude of the drive currents of the LEDs or by controlling a duty cycle of PWM drive current. | 11-13-2008 |
20080278928 | LIGHTING DEVICE AND LIGHTING METHOD - A lighting device comprising one or more solid state light emitters which emit near ultraviolet light or ultraviolet light, one or more other emitters which emit light in the range of 480 nm to about 490 nm and one or more other emitters which emit light in the range of 580 nm to about 590 nm, to make a mixture which in the absence of any other light would have a combined illumination which is within twenty MacAdam ellipses of at least one point on the blackbody locus on a 1931 CIE Chromaticity Diagram. One or more of the other emitters is a lumiphor. One or more of the other emitters can be a solid state light emitter. Also, packaged solid state light emitters and methods of lighting. | 11-13-2008 |
20080291659 | Table Having Luminescent Device - A table comprises a tabletop penetrable by light, at least one pedestal supporting the tabletop from a surface and a luminescent panel including a side attached to an underside of the tabletop. The light produced by luminescent panel can pass through the tabletop. | 11-27-2008 |
20080304250 | Thin Luminaire for General Lighting Applications - High power white light LEDs are distributed within a thin reflective cavity. The cavity depth may be less than 3 cm and, in one embodiment, is about 1 cm. A light output surface of the cavity is a flat reflector with many small openings. A small plastic lens is positioned over each opening for causing the light emitted from each opening to form a cone of light between approximately 50-75 degrees. Alternatively, each hole may be shaped to be a truncated cone to control the dispersion. The light emitted by the LEDs is mixed in the cavity by reflecting off all six reflective walls of the cavity. The light will ultimately escape through the many holes, forming a relatively uniform pattern of light on a surface to be illuminated by the luminaire. | 12-11-2008 |
20090002976 | Light-Emitting Device - A light-emitting device for emitting light having a desired color point, comprising at least one solid-state light source ( | 01-01-2009 |
20090021926 | Wavelength converting system - An embodiment of the invention discloses a wavelength converting system capable of emitting a second electromagnetic radiation having a second wavelength in response to a first electromagnetic radiation having a first wavelength, wherein an energy level of the first electromagnetic radiation is higher than that of the second electromagnetic level, and a positive correlation is between the first wavelength and the second wavelength. | 01-22-2009 |
20090027872 | LUMINESCENT OBJECT COMPRISING ALIGNED POLYMERS HAVING A SPECIFIC PRETILT ANGLE - A first aspect of the invention relates to a luminescent object comprising an aligned polymer that contains an oriented photoluminescent material, said aligned polymer having a pretilt angle of 10-90°. The luminescent object according to the present invention may advantageously be employed in luminescent solar concentrator systems as it enables highly efficient transportation of radiation emitted by the photoluminescent material following exposure to incident solar light. Another aspect of the invention concerns a photovoltaic device comprising an electromagnetic radiation collection medium containing the aforementioned luminescent object and a photovoltaic cell capable of converting optical radiation to electrical energy which is optically coupled to the luminescent object. Further aspects of the invention include a fluorescent light activated display and a room lighting system comprising the aforementioned luminescent object. | 01-29-2009 |
20090027873 | ILLUMINATION SOURCE - In one embodiment, the invention is an illumination source. In one embodiment, the illumination source comprises an outer sheath formed of a resilient, substantially transparent or translucent material, and a luminous core housed within the sheath. In further embodiments, the illumination source comprises a selvedge for facilitating mechanical attachment and/or a reflective strip to enhance visibility. | 01-29-2009 |
20090034230 | ILLUMINATION ASSEMBLY INCLUDING WAVELENGTH CONVERTING MATERIAL HAVING SPATIALLY VARYING DENSITY - Illumination assemblies, components, and related methods are described. An illumination assembly can include at least one solid state light-emitting device, an emission surface through which light is emitted, and a wavelength converting material that wavelength converts at least some light emitted by the solid state light-emitting device. The wavelength converting material can have a first density per unit area of the emission surface at a first location and a second density per unit area of the emission surface at a second location, wherein the second density is substantially different from the first density, and wherein the density per unit area is defined with a 1×1 cm | 02-05-2009 |
20090040745 | LIGHT EMITTING DEVICES INCLUDING WAVELENGTH CONVERTING MATERIAL - Light-emitting devices and associated methods are provided. The light emitting devices can have a wavelength converting material-coated emission surface. | 02-12-2009 |
20090040746 | NOVELTY STICK HOLDERS FOR FOOD ON STICKS - Novelty themed stick holders for food items include an elongate holder having an external surface and opposing top and bottom portions defining an elongate receiving cavity therebetween. The cavity is configured and sized to receive a stick therein. In some embodiments, the holder tapers inwardly from a top portion to a bottom portion and defines a handle portion of a miniature baseball bat. Other themes and shapes are also described. | 02-12-2009 |
20090052157 | LIGHT EMITTING DEVICE AND LIGHTING APPARATUS - A light emitting device having a high light emitting efficiency is provided. The light emitting device is provided with a light-emitting chip | 02-26-2009 |
20090052158 | Light Source Including Reflective Wavelength-Converting Layer - A light source configured to emit first light is combined with a wavelength-converting layer. The wavelength-converting layer is disposed in a path of first light, is spaced apart from the light source, and includes at least one wavelength-converting material such as a phosphor configured to absorb first light and emit second light. The wavelength-converting layer is disposed between a reflective layer and the light source. In some embodiments, the wavelength-converting layer is a thick layer. | 02-26-2009 |
20090052159 | LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - A light-emitting device includes a support substrate which includes a light-emitting layer and a light extraction surface, and a light transmission layer, formed on the light extraction surface of the support substrate, having a periodic refractive index distribution structure in an in-plane direction and a thickness direction, the light transmission layer including a plurality of projections formed of a having a refractive index lower than that of the support substrate. | 02-26-2009 |
20090059558 | Flame-type illumination device having phosphor-impregnated light transmitting element for transmission of non-flickering light - A flame-based illumination device incorporates a transparent or translucent housing impregnated with phosphor to produce generally constant light emission by substantially reducing and/or eliminating the flickering effect normally associated with a flame. A housing having a phosphor impregnated transparent or translucent portion is adapted to receive a candle or other flame sustaining wick therein. The phosphor impregnated housing wall converts the flickering light generated by the flame into a sustained illuminating glow thereby effectively eliminating the inconsistent light level created by a flickering flame. In an alternate embodiment, the housing wall comprises a composite multi-layer structure including inner and outer layers with a fluid disposed therebetween. Including an intermediate water layer sandwiched between phosphor impregnated translucent layers functions, to rectify and/or magnify light emanating from the device. | 03-05-2009 |
20090059559 | LED LAMP - An LED lamp has a lamp base and a support connected to the lamp base, on which at least one LED is mounted, the support including at least one hollow element, each with at least two air passage openings to permit an air flow through a cavity of at least one hollow element. | 03-05-2009 |
20090080177 | ELECTROLUMINESCENT LIGHT (EL) ORNAMENTS AND METHOD THEREFOR - A controllable lighted ornament has a body member having a hollow interior section. An electroluminescent (EL) light panel is coupled to an outer surface of the body member. The EL light panel has a multi-color/sectional design. A control circuit is coupled to the EL light panel and housed in the hollow interior of the body member. The control circuit allows for individually controlling the lighting of each color/section of the multi-color/sectional design. A power supply is coupled to the control circuit. | 03-26-2009 |
20090091915 | Illumination device with mechanically adjustable color conversion system - A mechanically adjustable color conversion system for illumination devices comprised of light sources oriented linearly or in an array located under a fluorescent dyed clear or defused plastic element which has holes that carefully align with the light sources, dyed element which can be moved thru some simple mechanical fashion in such a way that there can be careful control of the light that goes directly thru the hole in one extreme or that progressively goes less thru the hole and more thru the fluorescent dyed element until all the light goes thru the dyed element at the other extreme thus allowing for the simple mechanical adjustment of the color or hue of light from the light source. | 04-09-2009 |
20090091916 | MANUFACTURING METHOD OF SUBSTRATE, MANUFACTURING METHOD OF WIRING BOARD, WIRING BOARD, ELECTRONIC DEVICE, ELECTRON SOURCE, AND IMAGE DISPLAY APPARATUS - To provide a method for simply manufacturing a substrate provided with a flat surface shape. Specifically, a method for manufacturing a substrate according to the present invention includes the steps of preparing a structure including a glass layer and a precious metal particle having a diameter not less than 1 μm and not more than 10 μm disposed on the glass layer while contacting thereto; and putting the precious metal particle in the glass layer by heating the structure at a temperature which is lower than a softening point of the glass layer. | 04-09-2009 |
20090097225 | THIOGALLATE PHOSPHOR AND WHITE LIGHT EMITTING DEVICE EMPLOYING THE SAME - The present invention relates to a thiogallate phosphor which is excited by ultraviolet or blue light to emit light with a relatively longer wavelength than that of the ultraviolet or blue light. The phosphor is expressed as a general formula of (A | 04-16-2009 |
20090109652 | Phosphor and manufacturing method for the same, and light source - To provide a phosphor having an emission spectrum with a broad peak in a range from yellow color to red color (580 nm to 680 nm) and an excellent excitation band on the longer wavelength side from near ultraviolet/ultraviolet of excitation light to visible light (250 nm to 550 nm), and having an improved emission intensity. The phosphor is provided, which is given by a general composition formula expressed by MmAaBbOoNn:Z, (wherein element M is more than one kind of element having bivalent valency, element A is more than one kind of element having tervalent valency selected from the group consisting of Al, Ga, In, Tl, Y, Sc, P, As, Sb, and Bi, element B is more than one kind of element having tetravalent valency, O is oxygen, N is nitrogen, and element Z is more than one kind of element selected from rare earth elements or transitional metal elements, satisfying m>0, a>0, b>0 o≧0, and n=2/3m+a+4/3b−2/3o), and further containing boron and/or fluorine. | 04-30-2009 |
20090116214 | LED ILLUMINATION SYSTEM WITH POLARIZATION RECYCLING - A light engine has a light source front surface that emits non-collimated light. A collection lens collects the non-collimated light and provides incompletely collimated light. A collimating lens receives the incompletely collimated light and provides a collimated image. A non-orthogonal polarizing filter receives the collimated image and passes a polarized portion of the collimated image as a direct component of the polarized light engine image. The non-orthogonal polarizing filter reflects a recycled image back to the front surface. The non-orthogonal shape of the polarizing filter is selected according to the pattern of light on the light source front surface. | 05-07-2009 |
20090116215 | Optical manifold - Optical systems are described that have at least one source of a beam of blue light with divergence under 15°. A phosphor emits yellow light when excited by the blue light. A collimator is disposed with the phosphor and forms a yellow beam with divergence under 15°. A dichroic filter is positioned to transmit the beam of blue light to the phosphor and to reflect the beam of yellow light to an exit aperture. In different embodiments, the beams of blue and yellow light are incident upon said filter with central angles of 15°, 22°, and 45°. The filter may reflect all of one polarization and part of the other polarization, and a polarization rotating retroreflector may then be provided to return the unreflected light to the filter. | 05-07-2009 |
20090116216 | Light diffusion type light emitting diode - The present invention relates to light diffusion type light emitting diodes, more particularly, to a light emitting device having a large divergence angle by widely spreading an emitted light from a single color to a white color and a method thereof. The light emitting diode including the encapsulating layer according to the present invention is characterized by including at least two materials with different characteristics. According to the present invention, an encapsulating material for light emitting diode is mixed with at least two materials with a different polarity or a refractive index to easily form a light emitting diode. In addition, the light emitting diode die is bonded on the bottom surface of a cup, and an encapsulating material and microspheres are dispersed in the vicinity and upper portion of the light emitting diode and the entire light emitting diode, therefore the light emitting diode has a large and uniform divergence angle due to a light uniformly scattered and refracted. Furthermore, the microsphere particles with similar density to the encapsulating layer exist, thereby solving a problem of precipitation of particles, which occurs when the existing inorganic particles are dispersed. | 05-07-2009 |
20090116217 | LED lighting apparatus having separate wavelength conversion unit - The present invention provides an LED lighting apparatus having a separate wavelength conversion unit, which comprises the wavelength conversion unit and an LED. The wavelength conversion unit has an optical component and a wavelength conversion layer. The LED may be such positioned that the wavelength conversion layer is excited thereby. By forming the wavelength conversion unit at a surface of the optical component, the process of the LED can be simplified and the yield can be improved. Further, the present invention contributes to extending the application scope of the LED lighting apparatus by separating the wavelength conversion unit from the LED, so as to achieve optically desired light beams with evenness. | 05-07-2009 |
20090116218 | Lighting Device Producing Light with Adjustable Color and Color Temperature - A lighting device includes a light source, at least one seal block, at least one wavelength conversion material and a concentration adjusting unit. The light source emits light of a first wavelength. The wavelength conversion material is filled in the seal block. The concentration adjusting unit is disposed on the seal block for controlling concentration distribution of the wavelength conversion material in the seal block. The light emitted by the light source is absorbed by the wavelength conversion material and converted into light of second wavelength different from the first wavelength. | 05-07-2009 |
20090122513 | BACKLIGHT MODULE - A backlight module includes: a transparent panel having a grooved surface and a planar surface opposite to the grooved surface, the transparent panel being formed with a plurality of elongate grooves that are indented from the grooved surface and that are aligned in a first lateral direction, each of the elongate grooves extending in a second lateral direction transverse to the first lateral direction, and having an open end; a board attached to the grooved surface of the transparent panel to cover the open ends of the elongate grooves; a reflecting material provided on one of the planar surface of the transparent panel and the board; and a plurality of light emitting sources disposed respectively in the elongate grooves for radiating light. | 05-14-2009 |
20090122514 | LED MODULE FOR ILLUMINATION - The present invention relates to an LED module for illumination, and more particularly, to an LED module for illumination capable of enhancing light emitting efficiency by having a light emitting structure, in which the thickness of an insulation substrate with an electrode pattern formed on a top portion thereof is minimized, a heat radiation substrate is formed by integrally attaching a radiator to a bottom surface of the insulation substrate, and LED elements are attached to the electrode pattern of the heat radiation substrate through silver epoxy with excellent heat conductivity as an adhesive agent, so that heat generated from the LED elements can effectively radiate through the radiator, white light is effectively generated from the light emitted from the LED elements, and the white light can be emitted to the outside maximally. | 05-14-2009 |
20090122515 | USING MULTIPLE TYPES OF PHOSPHOR IN COMBINATION WITH A LIGHT EMITTING DEVICE - Light is emitted from a light emitting device. The light emitted from the light emitting device is combined with light from a first type of phosphor and a second type of phosphor. The first type of phosphor and the second type of phosphor are within an epoxy placed over the light emitting device. The first type of phosphor, when excited, emits light of a first color. The second type of phosphor, when excited, emits light of a second color. The first color and the second color are different. | 05-14-2009 |
20090129051 | MEDICAL ILLUMINATION UNIT - A medical illumination unit ( | 05-21-2009 |
20090129052 | Illuminator with fluorescent substance - An illuminator includes a light emitting light source and a fluorescent substance. The fluorescent substance includes a crystal of nitride or oxy-nitride having a β-type Si | 05-21-2009 |
20090129053 | LIGHT-ENHANCED ELEMENT - The present invention provides a light-enhanced element including a transparent element including a fluorescent brightening agent, wherein the fluorescent brightening agent can absorb the first light emitted by a light-emitting element and subsequently emits the second light having a wavelength longer than that of the first light. | 05-21-2009 |
20090135581 | Led Lamp - An LED lamp | 05-28-2009 |
20090135582 | ELECTRO-LUMINESCENT AREA ILLUMINATION DEVICE - An electro-luminescent area illumination device that includes two or more area emitters formed on a substrate. Each of the two or more area emitters emit light having different area illumination profiles. | 05-28-2009 |
20090141474 | LED-BASED CHANGEABLE COLOR LIGHT LAMP - Systems and methods are described that facilitate providing a user with interchangeable phosphor-coated shells, or envelopes, for generate different shades and intensities of white light from a single UV light source. The interchangeability of the low-cost phosphor-coated envelopes permits the use of a single light engine, which is the more expensive component of a solid state lamp. In this manner, consumers are provided with a greater number of lighting choices at low cost than can be achieved using conventional single-envelope lamps. | 06-04-2009 |
20090141475 | Mountable linear light welt - A mountable welt that is easier to attach to a desired surface or joint. The welt includes a transparent or semi-transparent sheath casing circular or oval in cross-section with at least one integrally formed, laterally extending wing member. The wing member is a relatively thin structure that extends longitudinally over a portion or the entire length of the outer casing. In the preferred embodiment, the outer edges of the wing member is converge are converged towards their outer edges thereby enabling the wing to be placed into a joint space. A suitable attachment means, such as sewing, an adhesive, or a closed joint, may be used to attach the wing to the desired surface or joint while allowing the outer casing to be exposed. Located inside the outer sheath is a continuous linear light. | 06-04-2009 |
20090141476 | Illumination Apparatus and Methods of Forming the Same - In one aspect, an illumination apparatus includes a waveguide, embedded in which are a light-emitting source and a photoluminescent material. Output light is emitted from at least a portion of a first surface of the waveguide. | 06-04-2009 |
20090147497 | ILLUMINATION APPARATUS, COLOR CONVERSION DEVICE, AND DISPLAY APPARATUS - An illumination apparatus includes a transparent substrate, a phosphor layer, an optical wavelength selection filter layer, and a light-emitting device. The transparent substrate includes a first surface and a second surface opposing each other. The phosphor layer is disposed on the first surface side of the transparent substrate. The optical wavelength selection filter layer is disposed on the second surface side of the transparent substrate and configured to transmit light of a first wavelength therethrough and reflect light of a second wavelength that is emitted from the phosphor layer by being excited by the light of the first wavelength. The light-emitting device is configured to emit the light of the first wavelength from the optical wavelength selection filter layer side thereof toward the optical wavelength selection filter layer. | 06-11-2009 |
20090147498 | LIGHT EMITTING DEVICE - Disclosed are a light emitting device. The light emitting device comprises a board comprising a plurality of lead frames, a light emitting diode chip electrically connected to the lead frames, and a reflective member formed coupled on the board while surrounding the light emitting diode. | 06-11-2009 |
20090154137 | Illumination Device Including Collimating Optics - A structure for providing a collimated light beam includes a light source configured to emit light having a first peak wavelength combined with a group of structures configured to direct at least a portion of light exiting the light source in a direction substantially perpendicular to a top surface of the light source and reflect another portion. In some embodiments, a wavelength converting element is positioned in a path of light emitted from the light source, the wavelength converting element configured to absorb at least a portion of the light having a first peak wavelength and emit light having a second peak wavelength. The group of structures may be formed over the wavelength converting element, such that the wavelength converting element is disposed between the group of structures and the light source. | 06-18-2009 |
20090161340 | WHITE LIGHT ILLUMINATOR AND READING LAMP USING THE SAME - A reading lamp ( | 06-25-2009 |
20090161341 | Planar White Illumination Apparatus - In one aspect, an illumination structure includes a substantially non-fiber waveguide, which itself includes a discrete in-coupling region for receiving light, a discrete propagation region for propagating light, and a discrete out-coupling region for emitting light. | 06-25-2009 |
20090168395 | DIRECTIONAL LINEAR LIGHT SOURCE - An illumination apparatus includes a linear array of light emitting diode (LED) chips disposed on a support. A linear reflector assembly has a light coupling reflector portion and a one dimensional light collimation or focusing portion. The linear reflector assembly is secured to the support parallel with the linear array of LED chips. An encapsulant is disposed in the light coupling reflector portion of the linear reflector assembly and pots the LED chips. An elongate phosphor element is disposed over the encapsulant such that the light coupling reflector portion and the encapsulant enhance light coupling between the LED chips and the elongate phosphor element, and the one-dimensional light collimation or focusing portion one-dimensionally collimates or focuses light emitted by the combination of the LED chips and the elongate phosphor element. | 07-02-2009 |
20090168396 | BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - In order to control light emission of light emitting diodes, current dividing circuits are used to supply currents of a substantially fixed level to all lines. Light emitting diodes are arranged in groups of a predetermined number of LEDs in series, and sets of the light emitting diodes connected to the first line and sets of the light emitting diodes connected to the second line are laid out on the same straight line so as to form a single row. Substrates with these formed thereon are arranged adjacent to each other in the direction of the rows, so that sets of the light emitting diodes connected to the first line and sets of the light emitting diodes connected to the second line are arranged alternately. With this configuration, it is possible to provide a backlight device with a plurality of LED arrays arranged thereon, which can uniformly illuminate the entire screen with light from the LED arrays. | 07-02-2009 |
20090168397 | Optical Film of a Display, Method for Producing the Same and Said Display - An optical film of a display and a method for producing the same are provided. The display includes a light source and an optical film. The light source provides the first light. The optical film includes at least one coating layer. The coating layer has a first surface and a second surface opposite to the first surface. The coating layer is adapted to absorb the first light from the first surface to excite a second light to emit through the second surface. The intensity of the second light is larger than that of the first light. | 07-02-2009 |
20090168398 | LIGHT EMITTING DISPLAY - A light emitting display for generating a selectable character (number, letter or alphanumeric character) comprises a plurality of independently operable light emitting display elements (segments). Each display element comprises: a light guiding medium having a light emitting display face; at least one excitation source (LED) associated with the light guiding medium and independently operable to generate excitation light of a first wavelength range and couple the excitation light into the light guiding medium; and a pattern of at least one phosphor material provided on the light emitting surface and configured to define the light emitting element wherein the phosphor material absorbs at least a part of the excitation light and emits light of a second wavelength range. Each display element can comprise a discrete light guiding medium or display elements can be defined within a single light guiding medium by one or more light reflecting planes. | 07-02-2009 |
20090168399 | BACKLIGHT UNIT - Provided is a backlight unit including a plurality of light emitting diodes (LEDs) that emit light; a plurality of LED modules having a printed circuit board (PCB) which supports and drives the plurality of LEDs; a plurality of optical sheets that are attached to the top surfaces of the respective LED modules; and a plurality of heat radiating pads that are attached to the rear surfaces of the respective LED modules. | 07-02-2009 |
20090180273 | LIGHT EMITTING DEVICE AND LCD BACKLIGHT USING THE SAME - The present invention provides a light emitting device which comprises blue and red light emitting diode (LED) chips and at least one phosphor for emitting green light by means of light emitted from the blue LED chip, and an LCD backlight including the light emitting device. According to the light emitting device of the present invention, uniform white light can be implemented and both high luminance and wider color reproduction range can also be obtained. Accordingly, an LCD backlight for uniform light distribution on an LCD as well as low power consumption and high durability can be manufactured using the light emitting device. | 07-16-2009 |
20090190325 | LIGHT SOURCE MODULE OF LIGHT EMITTING DIODE - A light source module of light emitting diode includes a substrate having circuits, a light-converted component, and several of light emitting diodes. The light-converted component includes a transparent substrate and a fluorescence material layer positioned on the transparent substrate. The fluorescence material layer is divided into a central region and several of surrounding regions surrounding the central region. The central region has a greatest concentration of fluorescence material. The concentration of fluorescence material in the surrounding regions decreases from the center to the outer periphery of the fluorescence material layer. The light emitting diodes form an array and are positioned on the substrate between the substrate and the fluorescence material layer. Each of the light emitting diodes is electrically connected to the circuits. | 07-30-2009 |
20090190326 | LED ILLUMINATION APPARATUS - The present invention aims to realize a technique to make precise chromaticity changes over a wide range in an LED illumination apparatus based on a white LED light, and comprises a first LED; a package for accommodating said first LED; a transparent medium for filling said package, said transparent medium containing a fluorophore which generates a white light when said first LED emits light; and a plurality of LEDs, wherein said first LED and the plurality of LEDs respectively have different dominant wavelengths. | 07-30-2009 |
20090196014 | PATTERNED WAVELENGTH CONVERTING STRUCTURE - The present invention provides a patterned wavelength converting structure comprising a frame, a light source, a substrate, a film, a wavelength converting layer and a pattern disposed on the film. The pattern and the wavelength converting layer can be one piece. The configuration, for example, the distribution of diffusion particles, the location, the shape or the thickness, of the pattern is configured to reduce the mura or affect the desired uniformity of a lighting area. | 08-06-2009 |
20090196015 | Lighting module with wavelength converting structure and manufacturing method for the same - The present invention relates to a lighting module and manufacturing Method for the Same, and more particularly, to a lighting module with a flat wavelength converting structure for reducing mura. The lighting module provided by the present invention includes a frame, one or more light sources disposed on the frame, and a flat wavelength converting structure shared by the light sources for emitting light with aimed wavelength; the present invention provides a lighting module emitting light with mura that insensible to eye or with lower mura at elevated diffusion angle compared to that provided by the traditional one; therefore, the present invention also provides a lighting module occupying smaller volume; or a lighting module with fewer light sources and sharing the similar thickness of the traditional one, which emits light with similar or lower mura compared to the traditional one. | 08-06-2009 |
20090201662 | LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - Disclosed is a light emitting device and a method of manufacturing the same. The light emitting device comprises a substrate comprising a cavity, a multi-color light emitting unit on a first region of the cavity, and a white light emitting unit on a second region of the cavity. | 08-13-2009 |
20090207583 | LED LIGHTING UNIT - An LED lighting unit can be configured to have a high color rendering for which color temperature can adjust itself to be close to a natural color. The LED lighting unit can be composed of three light sources that respectively include a blue LED and a different phosphor. A first light source can emit light having a color temperature located substantially on a blackbody locus, a second light source can emit light having a higher color temperature than that of the first light source and located substantially on the blackbody locus, and a third light source can emit a green or yellow light. A mixture of the light can be located substantially on the blackbody locus by controlling a beam ratio of the mixed light having contiguous wavelength components. Therefore, the LED lighting unit can emit a light having a high color rendering that can maintain a uniform color within a radiation range. | 08-20-2009 |
20090231830 | Transparent White Fluorescent Glass - A transparent white fluorescent glass is provided which contains a soda lime glass as a base material, 0.8 to 2.5 wt % of Sn, calculated as SnO, and 0.045 wt % or less of Fe, calculated as Fe | 09-17-2009 |
20090231831 | FLAT PANEL DISPLAY AND BACKLIGHT MODULE THEREOF - The invention is related to a flat panel display and a backlight module thereof. The backlight module comprises a light source and a plurality of wavelength converters. The light source formed by some arranged luminous elements would radially emit light with an optical wavelength individually. These wavelength converters are near the light source and convert the light with the wavelength. The converted light with another wavelength is radially emitted, in which a portion of the converted light with another wavelength is emitted outward directly from the wavelength converter, while the other portion thereof is emitted from the wavelength converter toward the other wavelength converters. | 09-17-2009 |
20090231832 | SOLID-STATE LAMPS WITH COMPLETE CONVERSION IN PHOSPHORS FOR RENDERING AN ENHANCED NUMBER OF COLORS - The invention relates to phosphor-conversion (PC) sources of white light, which are composed of at least two groups of emitters, such as ultraviolet (UV) light-emitting diodes (LEDs) and wide-band (WB) or narrow-band (NB) phosphors that completely absorb and convert the flux generated by the LEDs to other wavelengths, and to improving the color quality of the white light emitted by such light sources. In particular, embodiments of the present invention describe new 2-4 component combinations of peak wavelengths and bandwidths for white PC LEDs with complete conversion. These combinations are used to provide spectral power distributions that enable lighting with a considerable portion of a high number of spectrophotometrically calibrated colors rendered almost indistinguishably from a blackbody radiator or daylight illuminant, and which differ from distributions optimized using standard color-rendering assessment procedures based on a small number of test color samples. | 09-17-2009 |
20090231833 | LIGHT EMITTING DEVICE PROVIDED WITH LENS FOR CONTROLLING LIGHT DISTRIBUTION CHARACTERISTIC - The light emitting device comprises a substrate ( | 09-17-2009 |
20090237912 | Personal article with electron luminescent display - A personal article includes an electron luminescent display (ELD), a circuit protection tube, a power supply circuit, a personal article body and a plurality of plastic membranes, wherein two electrodes of the ELD are connected to an electrode conducting wire, the circuit protection tube is made of a plastic material for covering and protecting the two electrode conducting wires, the power supply circuit is fixed into the personal article body and connected to the electrode conducting wire for supplying electric power to the ELD, an extended portion is formed around the plastic membrane for sealing the ELD, and the ELD is sewed or adhered onto the personal article body through the extended portion, and at least one connecting plate is extended axially from the circuit protection tube and is sewed or adhered onto the personal article. Therefore, the personal article can improve the nighttime visibility. | 09-24-2009 |
20090244882 | LIGHTING DEVICE - The invention relates to a lighting device ( | 10-01-2009 |
20090251882 | LIGHT-EMITTING DIODE ILLUMINATION STRUCTURES - Illumination device embodiments are provided which include a transparent bulb that carries at least one phosphor. A redirector is positioned within the bulb and at least one light-emitting diode (LED) is positioned over the redirector to be energized and emit light that excites the phosphor. The redirector helps to diffuse the resultant mix of LED-emitted light and phosphor-emitted light that issues from the device. The redirector also provides a heat path away from the LEDs. In a device embodiment, LEDS form first and second diode groups that have emission peaks in different regions. Selectively energizing these groups alters the color temperature of the device's light. Energizing both groups and varying currents of each group also alters the color temperature of the device's light. In other device embodiments, the redirector has a portion outside the bulb which may also define protuberances that enhance heat radiation. In yet other device embodiments, each LED may have an associated phosphor. Some embodiments may be further enhanced by the further addition of a phosphor to the bulb. | 10-08-2009 |
20090251883 | Light-emitting device as well as lighting apparatus and display apparatus using the same - A light-emitting device including a semiconductor laser element having at least a substrate, a first conductive type clad layer, an active layer, and a second conductive type clad layer in this order; and a phosphor absorbing a laser light emitted from the semiconductor laser element and radiating fluorescence, wherein the semiconductor laser element is a self-oscillation laser element. | 10-08-2009 |
20090251884 | LIGHTING FIXTURE USING SEMICONDUCTOR COUPLED WITH A REFLECTOR HAVING REFLECTIVE SURFACE WITH A PHOSPHOR MATERIAL - To improve semiconductor-based systems for generating white light, a phosphor is integrated with an external structure, such as a reflector. A disclosed exemplary system, for illumination applications, utilizes one or more semiconductor devices for emitting radiant energy of a first wavelength. A reflector outside the package of the LED or other semiconductor device has a reflective surface arranged to receive radiant energy from the energy source. At least some of the received radiant energy of the first wavelength excites one or more phosphors associated with an external light processing element, for example, located along the surface of the reflector, to emit light, including visible light energy of at least one second wavelength different from the first wavelength. In the examples, at least some of visible light emitted by the phosphor is reflected by the reflective surface of the reflector and directed to facilitate the particular humanly perceptible luminance or illumination application. | 10-08-2009 |
20090262515 | LIGHT EMITTING DEVICE - Disclosed herein is a light emitting device including one or more light emitting diodes to primarily emit light having different wavelengths in the wavelength range of ultraviolet rays and/or blue light, and a wavelength-conversion means to convert the primary light into secondary light in the visible light wavelength range. The light emitting device of the current invention has a high color temperature of 2000 to 8000 K or 10000 K and a high color rendering index of 90 or more, thus easily realizing desired emission on the color coordinate system. Therefore, the lighting emitting device is applicable to mobile phones, notebook computers, and keypads or backlight units for various electronic products, and, in particular, automobiles and exterior and interior lighting fixtures. | 10-22-2009 |
20090262516 | LIGHT EMITTING DEVICE WITH PHOSPHOR WAVELENGTH CONVERSION - A light emitting device comprises: an excitation source (LED) operable to generate excitation light of a first wavelength range and a phosphor (photo-luminescent) material configured to absorb at least a part of the excitation radiation and to emit light of a second wavelength range. Light emitted by the device comprises the combined light of the first and second wavelength ranges. The device is characterized by at least the light emitting surface of the excitation source being coated (encapsulated) with an encapsulating material which is transparent to light of the first and second wavelength ranges and which incorporates particles of a thermally conducting material (thermal conductivity ≧100 Wm | 10-22-2009 |
20090262517 | Light source unit - A light source unit includes a light source portion including a mounting board, a light emitting element mounted on the mounting board, a rectangular solid sealing material for sealing the light emitting element, the sealing material including a first distance between the light emitting element and a top face thereof and a second distance between the light emitting element and a side face thereof, the first distance being greater than the second distance and a phosphor dispersed in the sealing material for radiating a wavelength conversion light by being excited by light emitted from the light emitting element, wherein a first light emitted through the top face of the sealing material is different in emission color from a second light emitted through the side face of the sealing material. The light source unit further includes an optical connection member including a reflection surface for reflecting light emitted from the side face of the sealing material, and a light guiding member including an end face through which light emitted through the top face of the sealing material and light reflected by the reflection surface of the optical connection member are inputted into the light guiding member. | 10-22-2009 |
20090273918 | Remote-phosphor led downlight - An embodiment of a collimating downlight has front-mounted blue LED chips facing upwards, having a heat sink on the back of the LED chips exposed in ambient air. The LED chips are mounted in a collimator that sends their blue light to a remote phosphor situated near the top of the downlight can. Surrounding the remote phosphor is a downward-facing reflector that forms a beam from its stimulated emission and reflected blue light. The phosphor thickness and composition can be adjusted to give a desired color temperature. | 11-05-2009 |
20090279279 | LIGHT EMITTING DEVICE AND A MANUFACTURING METHOD THEREOF - A light emitting device includes a light emitting body, a base for carrying the light emitting body, an encapsulating material covering the light emitting body and a wavelength conversion material mixing with the encapsulating material. The concentration of wavelength conversion material is characterized by the fact that the concentration of the wavelength conversion material is higher at the higher space that is further from the light emitting body located at the bottom of the light emitting device. Accordingly, the reflection rate of the mixture mixed with the encapsulating material and the wavelength conversion material has gradual variation, and the total reflection on the boundary is reduced thus improves the illumination efficiency. | 11-12-2009 |
20090284948 | SIALON-BASED OXYNITRIDE PHOSPHOR AND PRODUCTION METHOD THEREOF - The present invention relates to an oxynitride phosphor comprising an α-sialon as the main component, which is represented by the general formula: M | 11-19-2009 |
20090284949 | OPTICAL ELEMENT, LIGHT-EMITTING DEVICE HAVING THE SAME AND METHOD OF MANUFACTURING THE SAME - An optical element includes a light-transmitting structure and a first reflection-prevention layer. The light-transmitting structure has a first surface and a second surface facing the first surface. The first reflection-prevention layer includes a plurality of first light-refractive index buffering particles deposited on the first surface such as the concentration of the particles decreases as the distance from the first surface increases. The first reflection-prevention layer decreases the variation of a light-refractive index from the light-transmitting structure to an air layer to decrease the light reflectance of the first surface. Therefore, the light transmittance of the light-transmitting structure is increased due to the reflection-prevention layer formed on a surface of the light-transmitting structure, so that luminance may be enhanced. Moreover, the reflection-prevention layer may enhance the resistance of the light-transmitting structure to external impacts. | 11-19-2009 |
20090290325 | FLUORESCENT SUBSTANCE AND PROCESS FOR PRODUCING THE SAME - A fluorescent substance which excels in light-emitting characteristics and versatility, and which can emit light stably, and a lamp using the same are provided at a low cost. Such a fluorescent substance consists of a fluorescent substance which mainly consists of a garnet structure and an element of group V added thereto. Preferably, the fluorescent substance includes a fluorescent substance having a garnet structure in which yttrium.aluminum.garnet (Y | 11-26-2009 |
20090296367 | Package For Light-Emitting Device, Light-Emitting Apparatus, and Illuminating Apparatus - A package includes a base body having a mounting portion for mounting a light-emitting device, a frame-shaped first reflection member attached to the upper surface of the base body, an inner peripheral surface of which is shaped into a first light reflecting surface and surrounds the mounting portion, and a frame-shaped second reflection member attached to the upper surface of the base body, with a spacing secured between an inner peripheral surface of the second reflection member and an outer peripheral surface of the first reflection member, the inner peripheral surface surrounding the first reflection member and having a second light reflecting surface at a location above an upper end of the first reflection member. | 12-03-2009 |
20090296368 | SOLID STATE LIGHTING USING QUANTUM DOTS IN A LIQUID - A lighting apparatus that provides general lighting in a region or area intended to be occupied by a person includes a source of light of a first spectral characteristic of sufficient light intensity for the lighting application as well as a reflector or a diffusely reflective chamber or cavity having a transmissive optical passage. An exemplary lighting fixture of the type disclosed herein also includes a liquid containing quantum dots. Various containers, locations and positions for the liquid are disclosed. The quantum dots provide a wavelength shift of at least some light to produce a desired second color characteristic in the light output. | 12-03-2009 |
20090296369 | Method and Apparatus for Generating White Light From Solid State Light Emitting Devices - An optical device capable of generating warm light using an array of phosphor islands situated over a phosphor layer is disclosed. The device includes a solid state light emitter, a phosphor layer, and phosphor islands. The solid state light emitter, in an aspect, is a light emitting diode (“LED”) capable of converting electrical energy to optical light. The phosphor layer is disposed over the solid state light emitter for generating luminous cool light in response to the optical light. Multiple phosphor islands are disposed on the phosphor layer for converting cool light to warm light, wherein the phosphor islands are evenly distributed over the phosphor layer. | 12-03-2009 |
20090296370 | PHOTO LUMINESCENT LIGHT SOURCE - A source of illumination in the form of a base member including hollow members and substantially planar longitudinally extending members. The hollow member is defined by a transparent envelope having an exterior surface and interior surface and photo luminescent pigment applied to a surface thereof or included therein during fabrication. The photo luminescent pigment receives activating energy from ambient sources for its activation. | 12-03-2009 |
20090303694 | LIGHT EMITTING DEVICE AND LIGHTING SYSTEM HAVING THE SAME - The present invention provides a light emitting device comprising a first light emitting portion that emits white light at a color temperature of 6000K or more and a second light emitting portion that emits white light at a color temperature of 3000K or less, which include light emitting diode chips and phosphors and are independently driven. The present invention has an advantage in that a light emitting device can be diversely applied in a desired atmosphere and use by realizing white light with different light spectrums and color temperatures. Particularly, the present invention has the effect on health by adjusting the wavelength of light or the color temperature according to the circadian rhythm of humans. | 12-10-2009 |
20090310331 | Method of and device for attracting aquatic life forms using an electromagnetic field generation - A device for simulating and/or attracting aquatic life forms is disclosed. The device includes an electromagnetic module for simultaneously generating alternating or pulsed electromagnetic fields and a pulsed light output from a light emitting diode. The electromagnetic module includes a dry battery that is activated when exposed electrodes of the dry battery are placed in contact with a common electrolyte, such as sea water. The electromagnetic module includes a control circuit with one or more application specific integrated circuits for converting an input voltage from the dry battery to an operating voltage sufficient to power the light emitting diode. In further embodiments of the invention, the device includes one or more removable jackets that resemble aquatic life-forms. | 12-17-2009 |
20090310332 | PI-CONJUGATED HEAVY-METAL POLYMERS FOR ORGANIC WHITE-LIGHT-EMITTING DIODES - A polymer mixture emits a broad spectrum of visible light that appears white or near-white in the aggregate. The polymer mixture comprises two (or more) components in the active layer. A heavy atom, such as platinum and/or iridium, present in the backbone of the mixture acts via a spin-orbit coupling mechanism to cause the ratio of fluorescent to phosphorescent light emission bands to be of approximately equal strength. These two broad emissions overlap. resulting in an emission spectrum that appears to the eye to be white. | 12-17-2009 |
20090310333 | ELECTRON EMISSION DEVICE, ELECTRON EMISSION TYPE BACKLIGHT UNIT INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE ELECTRON EMISSION DEVICE - An electron emission device includes a base substrate and first electrodes formed on the base substrate in one direction. Second electrodes are formed on the base substrate in the one direction and spaced apart from the first electrodes by a predetermined interval and parallel to each other. First electron emission layers are formed on the first electrodes. Second electron emission layers are formed on the second electrodes. The interval between adjacent first and second electrodes is substantially equal to an interval between adjacent first and second electron emission layers. | 12-17-2009 |
20090316383 | LIGHTING APPARATUS - A lighting apparatus includes a light reflector, a light emitting diode (LED) and a light-changing film. The light reflector has a concave surface. The LED is disposed under the concave surface of the light reflector to provide the concave surface with light. The light-changing film converts a first light generated by the LED into a second light. For example, the light-changing film may be a fluorescent film receiving the first light and emitting the second light with increased wavelength. The LED and the light-changing film are spaced apart from each other to minimize discoloration of the light-changing film. | 12-24-2009 |
20090316384 | LIGHT-EMITTING DEVICE AND ILLUMINATION APPARATUS USING THE SAME - A light-emitting device ( | 12-24-2009 |
20090323304 | LIGHT EMITTING DEVICE HAVING A PHOSPHOR LAYER - A light emitting device and method of producing the same is disclosed. The light emitting device includes a light emitting semiconductor, an encapsulation layer, wherein the light emitting semiconductor is disposed within the encapsulation layer, a phosphor layer provided over the encapsulation layer, and an air gap provided between the encapsulation layer and the phosphor layer. | 12-31-2009 |
20090323305 | LED PAR AND R LAMPS - A PAR-type light bulb includes an LED lacking a phosphor coating, the LED covered by a lens having a phosphor coating, and a base comprising reverse threads. | 12-31-2009 |
20090323306 | CONVERSION TYPE LIGHT EMITTING DEVICE - A conversion type light emitting device includes at least one LED element having a predetermined light emitting range and a fluorescent element performing wavelength conversion of light emitted from the LED element when disposed at a first location in the predetermined light emitting range. The fluorescent element is movable from a first location to a second location outside the predetermined light emitting range. | 12-31-2009 |
20100002413 | DISPLAY DEVICE - A display device capable of expressing a particularly superior red color, for example, a red color of the sRGB standard, is provided. A display device | 01-07-2010 |
20100002414 | Illumination Apparatus and Methods of Forming the Same - In one aspect, an illumination apparatus includes a waveguide, embedded in which are a light-emitting source and a photoluminescent material. Output light is emitted from at least a portion of a first surface of the waveguide. The photoluminescent material includes nano-size phosphor particles and/or quantum dots. | 01-07-2010 |
20100020530 | Safety marker indicator device and manufacturing methods - The present invention relates generally to a safety device and more particularly to a safety marker indicator device for architectural structures, specifically a door marker indicator device for doors or door components, and improved manufacturing thereof. The improved door marker indicator device includes a photoluminescent light emission element and is manufactured by extrusion, co-extrusion, injection molding, or two-shot molding. The present invention allows door marker indicator devices to be quickly and easily installed on doors and door components. | 01-28-2010 |
20100020531 | BACK LIGHTING UNIT HAVING PHOSPHOR FILM STRUCTURE - A back lighting unit is disclosed in which lower and upper surfaces of a light transmitting plate function as incident and exit surfaces of light, respectively, and a phosphor film structure for wavelength-converting the light is provided at a position which the light is incident on or exits from. The disclosed back lighting unit includes a light emitting means including a light emitting diode disposed to emit light upwards; a light transmitting plate disposed over the light emitting diode, the light transmitting plate having a lower surface allowing light to be incident thereon and an upper surface allowing light to exit therefrom; and a phosphor film structure including a particulate phosphor and formed on at least one of the lower and upper surfaces of the light transmitting plate. | 01-28-2010 |
20100020532 | LIGHTING DEVICE - A lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface of the luminescent element being at least twice as large as the illumination surface of the light emitter. Also, a lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface of the luminescent element surface being at least twice as large as and substantially parallel to the illumination surface of the light emitter. Also, a lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface area of a projection of the luminescent element being at least twice as large as a surface area of a projection of the light emitter. | 01-28-2010 |
20100027239 | MODULAR LIGHTING SYSTEM - A luminaire, light fixture base, and self-ballasting fluorescent lighting stick are disclosed. The luminaire includes a fixture base and self-ballasted fluorescent lighting sticks. The fixture base is configured to secure the lighting sticks, and to provide electrical power to the lighting sticks at an electrical end of the fixture base. Each of the lighting sticks is separately replaceable in the fixture base. The electrical end of the fixture base includes electrical connectors that mate with corresponding electrical connectors of the lighting sticks. The light fixture base is configured to secure and pass electrical power to a self-ballasted fluorescent lighting stick. The light fixture base includes an electrical end section, a securing end section, and a middle section. The self-ballasted fluorescent lighting stick is configured to secure and pass electrical power to a fluorescent bulb. The fluorescent lighting stick includes a ballast circuit, electrical wiring, an electrical connector, and a frame. | 02-04-2010 |
20100033947 | Enhanced Wavelength-Converting Structure - An enhanced wavelength-converting structure is disclosed. The enhanced wavelength-converting structure includes a substrate, a wavelength-converting layer arranged next to the substrate, and a wavelength-selective reflecting layer arranged next to the wavelength-converting layer. The wavelength-converting layer converts the first light into the second light. A part of the second light radiating backward to the light source is further reflected toward the substrate by the wavelength-selective reflecting layer to form the enhanced second light by combining with another part of the second light radiating toward the substrate. | 02-11-2010 |
20100033948 | Color Tunable Light Source - A lighting module includes a light output window, at least one side wall that defines a cavity and a mounting plate, and at least one light source, and at least one reflector that is within the cavity. The light output window may be one of the side walls in a side-emitting configuration. The spectral distribution of the light coming out of the light output window may be changed by manipulating the relative position of the side wall to the at least one reflector that is within the cavity. | 02-11-2010 |
20100046197 | LIGHT SOURCE DEVICE WITH HIGH HEAT-DISSIPATION EFFICIENCY - A light source device includes a circuit board, a solid state lighting element, and a hollow cylindrical metal reflector. The circuit board has a circuit layer formed thereon. The solid state lighting element is placed on the circuit board and electrically connected to the circuit layer. The hollow cylindrical metal reflector is placed on the circuit board and insulated from the circuit layer. An inner surface of the reflector surrounds the solid state lighting element to reflect and direct light from the solid state lighting element towards an opposite side of the reflector to the solid state lighting element. | 02-25-2010 |
20100046198 | Flexible Backlit Display - The present invention is directed toward a graphics display assembly configured to display a true color palette in illuminated and non-illuminate states. The graphics display assembly includes a backlit electroluminescent (EL) panel and optical interface layer. The optical interface layer is translucent, preventing color shift of transmitted light. In operation, the optical interface layer masks the pink or rose-colored hue visible when the EL panel is in its non-illuminated state. | 02-25-2010 |
20100053928 | LIGHT EMITTING DEVICES MADE BY BIO-FABRICATION - A light emitting device includes a substrate layer, a first injection contact positioned over the substrate layer, a first dielectric layer positioned over the first injection contact, a light emission layer positioned over the first dielectric layer, a second dielectric layer positioned over the light emission layer and a second injection contact positioned over the second dielectric layer. The light emission layer includes an organic template having binding sites for binding nanoparticles into an array. The wavelength of emitted light is dependent upon the size of the nanoparticles and the pitch of the array. The light emitting device may include a first plurality of binding sites for binding a first set of nanoparticles and a second plurality of binding sites for binding a second set of nanoparticles. The wavelength depends upon a ratio of the first plurality to the second plurality of binding sites. | 03-04-2010 |
20100053929 | LED Packaging Methods And LED-Based Lighting Products - A method of packaging a light-emitting diode (LED) chip includes coupling the LED chip to a printed circuit board (PCB) and forming a conductor on a cover plate. Conductive epoxy is applied to at least one of the LED chip and the conductor. The cover plate is coupled to the PCB such that the conductive epoxy forms a circuit connection between the LED chip and the conductor. An LED-based lighting product includes a PCB with one or more LED chips mounted directly thereon. A cover plate has conductors that couple at least to the one or more LED chips and to the PCB, such that the conductors form electrical connections between the one or more LED chips and the PCB. | 03-04-2010 |
20100053930 | WAVELENGTH CONVERSION PLATE AND LIGHT EMITTING DEVICE USING THE SAME - Provided is a wavelength conversion plate having excellent luminous efficiency of a wavelength-converted light. The wavelength conversion plate includes a dielectric layer with nano pattern, a metal layer formed inside the nano pattern, and a wavelength conversion layer formed on the metal layer and having quantum dot or phosphor which wavelength-converts an excitation light to generate a wavelength-converted light. | 03-04-2010 |
20100053931 | Solid State Lighting Compositions And Systems - The present invention relates to lighting technologies and, in particular, to solid state lighting technologies. In one embodiment, the present invention provides a lighting apparatus comprising a first electrode, a radiation transmissive second electrode, and a composite layer disposed between the first and second electrode, the composite layer comprising at least one electric field concentrator and at least one phosphor disposed in a radiation transmissive dielectric material. | 03-04-2010 |
20100053932 | FLUORESCENT SUBSTANCE AND PRODUCTION METHOD THEREOF, AND LIGHT EMITTING DEVICE - Offered is a fluorescent substance consisting of Eu-activated β-sialon and capable of enhancing the brightness of a light emitting device such as a white LED using blue or ultraviolet light as a light source. The fluorescent substance has as its main constituent a β-sialon represented by the general formula Si | 03-04-2010 |
20100053933 | WHITE EMITTING LIGHT SOURCE AND LUMINESCENT MATERIAL WITH IMPROVED COLOUR STABILITY - The invention relates to a white emitting light source with an improved luminescent material of the formula (AEN2/3)*b(MN)*c(SiN4/3)*d1CeO3/2*d2EuO*xSiO2*yAlO3/2 wherein AE is an alkaline earth metal chosen of the group of Ca, Mg, Sr and Ba or mixtures thereof and M is a trivalent element chosen of the group of Al, B, Ga, Sc with d1>10*d2. In combination with a UV to blue light generating device this material leads to an improved light quality and stability, especially an improved temperature stability for a wide range of applications. | 03-04-2010 |
20100061077 | PHOSPHOR BODY BASED ON FLAKE FORM SUBSTRATES - The invention relates to a phosphor element which consists of natural and/or synthetic flake-form substrates, such as mica, corundum, silica, glass, ZrO | 03-11-2010 |
20100061078 | Light emitting device and system providing white light with various color temperatures - In a light emitting device and system providing white light with various color temperatures are provided, a light emitting device includes a light emitting element (LED) that is operated by a driving bias and emits first light, and a phosphor layer including a phosphor that partially wavelength-converts first light and emits second light, thereby emitting white light using the first light and the second light, wherein the phosphor has a maximum conversion efficiency at a first level of the driving bias, and the LED has a maximum conversion efficiency at a second level of the driving bias, the first level being different from the first level. | 03-11-2010 |
20100067214 | ILLUMINATION SYSTEM AND DISPLAY DEVICE - The invention relates to an illumination system, a luminaire and a display-device ( | 03-18-2010 |
20100067215 | Light Source - The invention relates to a light source comprising a primary radiation source and a luminescent substance, and to a method for producing this light source. The invention relates, in particular, to a method for producing an electric light source using one or more luminescent substances emitting in the visible spectrum range, and at least one primary source emitting preferably in the UV range, and which is preferably, but not exclusively, an LED. | 03-18-2010 |
20100067216 | LED LIGHTING ARRANGEMENT INCLUDING LIGHT EMITTING PHOSPHOR - A lighting arrangement comprising: a light reflective enclosure; at least one radiation source housed within the enclosure and operable to generate excitation light of a first wavelength range; a substantially spherical optical component mounted over the enclosure opening and at least one phosphor operable to absorb at least a portion of the excitation light and to emit light of a second wavelength range, wherein light generated by the arrangement comprises the combined light of the first and second wavelength ranges and wherein the at least one phosphor material is provided as a layer on at least a part of the surface of the optical component that is enclosed within the volume of the enclosure when the component is mounted to the enclosure. | 03-18-2010 |
20100067217 | LED LIGHTING ARRANGEMENT INCLUDING LIGHT EMITTING PHOSPHOR - A lighting arrangement comprises: a hollow substantially cylindrical optical component; a plurality of light emitting diodes disposed along the axis of the optical component and operable to generate light of a first wavelength range and at least one phosphor operable to absorb at least a portion of the light emitted by the light emitting diodes and to emit light of a different wavelength range, wherein light generated by the arrangement comprises the combined light emitted by the light emitting diodes and at least one phosphor. The at least one phosphor can be provided as a layer on at least a part of the inner and/or outer curved surfaces of the optical component or incorporated within the optical component. | 03-18-2010 |
20100085727 | LIGHTING DEVICE AND DISPLAY DEVICE HAVING THE SAME - Disclosed herein is a lighting device including a blue light-emitting element adapted to emit a blue light beam; and a green phosphor layer which is disposed apart from the blue light-emitting element and can function as a light diffusion layer, the green phosphor layer including a green phosphor adapted to emit green fluorescence when excited by the blue light beam, the green phosphor having a refractive index of 1.49 or more and a quantum efficiency of 79% or more. | 04-08-2010 |
20100085728 | Phosphor and production method thereof, phosphor-containing composition, light emitting device, illuminating device, display, and nitrogen-containing compound - To provide a new phosphor of which fluorescence contains much red light component and has a large full width at half maximum, the crystal phase represented by the formula [I] is included in the phosphor. | 04-08-2010 |
20100097779 | HIGH INTENSITY PULSED LIGHT SOURCE CONFIGURATIONS - A high-intensity light source configuration has a long lifetime and can be modulated at a high rate. The configuration includes a movable member mounted to an actuator; a light-emitting phosphor region associated with the movable member; an input light source that illuminates the light-emitting phosphor region at a spot that is fixed relative to an emitted light output region; and a light source controller controlling the movable member actuator and the input light source. The input light source (e.g., laser) provides high-intensity input light to the illuminated spot, causing the light-emitting phosphor region to emit high-intensity output light. The light-emitting phosphor region is moved relative to the illuminated spot so as to reduce optical quenching and photobleaching, to thereby extend the life of the light source configuration. The phosphor region may emit broadband light and/or may include respective sub-regions having phosphors that emit respective peak wavelengths. | 04-22-2010 |
20100110659 | LED LIGHTING UNIT AND METHOD FOR MANUFACTURING THE SAME - An LED lighting unit and a method for manufacturing the same can include a first cavity and a second cavity which has a depth that is different from that of the first cavity. The first and the second cavities can include an LED chip and an encapsulating resin including a phosphor. Color temperatures of light emitted from these cavities can be controlled by changing thicknesses of the encapsulating resin based on the depth of each of these cavities so as to be located on a substantially black body, and the variability of the optical characteristics can be reduced due to the simple structure. Thus, the LED lighting unit can emit light having a favorable color temperature that is close to a natural light using light that is emitted from these cavities. The manufacturing method can include forming the thickness of the encapsulating resin with accuracy, and therefore can provide a suitable LED lighting unit for various lighting systems. | 05-06-2010 |
20100110660 | LIGHT EMITTING DIODE EMERGENCY LIGHTING MODULE - The present invention uses “Chip-on-Board” (COB) metal core printed circuit board (PCB) technology in conjunction with high efficiency compact imaging and non-imaging optics to provide an emergency light that is more compact, offers higher performance with respect to luminance levels (higher brightness), longer life, and lower cost relative to systems incorporating pre-packaged LED devices. The thermal impedance between the LED junction and the heat sink is significantly reduced for COB technology by placing the LED die directly on a metal core (or other high thermal conductivity material substrate), thereby increasing temperature dependant life and thermally dependant output power. Additionally, because there is no encapsulant or domed optic over the LED die initially, it is possible to get a much more compact and efficient substantially Etendue (area, solid angle, index squared product) preserving collection optic directly over the die. Cost is significantly reduced for COB configurations due to elimination of the expense of additional components attached to the LED die for the case of pre-packaged LED devices. | 05-06-2010 |
20100118509 | LIGHT SOURCE PACKAGE, LIQUID CRYSTAL DISPLAY DEVICE INCLUDING LIGHT SOURCE PACKAGE, AND METHOD OF MANUFACTURING THE SAME - Provided are, a light source package having a large emission area and a low manufacturing cost, a liquid crystal display device including the light source package, and a method of manufacturing the same. The light source package includes: a package case including a bottom plate having a bottom plate flat portion, and a light source mounting plate that is formed by bending at least one end of the bottom plate and has a first inclination angle with respect to the bottom plate flat portion; a light source mounted on the light source mounting plate; and a package reflecting portion formed in the package case so as to have a second inclination angle with respect to the bottom plate flat portion and reflecting light emitted from the light source. | 05-13-2010 |
20100118510 | HIGH COLOR RENDERING INDEX WHITE LED LIGHT SYSTEM USING MULTI-WAVELENGTH PUMP SOURCES AND MIXED PHOSPHORS - The present invention relates to an LED lighting system producing light having improved Color Rendering Index (CRI). The system includes a plurality of LEDs wherein the LEDs have at least a first and second characteristic wavelength, and a mixed phosphor layer overlying at least one of a portion of the plurality of LEDs, the phosphor layer absorbing at least a portion of the LED-emitted light and producing phosphor-emitted light, wherein the phosphors includes a third characteristic wavelength and a fourth characteristic wavelength, wherein the third characteristic wavelength and fourth characteristic wavelength are not the same. | 05-13-2010 |
20100118511 | LIGHTING SYSTEMS - Assemblies compliant with night vision imaging system (NVIS) standards are described. Versions of the assemblies incorporate filtering material into an encapsulant for a light-emitting diode (LED) die, avoiding any necessity of using external filtering agents. Alternatively or additionally, filtering material may be incorporated into a housing of an encapsulated LED. | 05-13-2010 |
20100128461 | LIGHT EMITTING DIODE PACKAGE - Provided is a light emitting diode (LED) package. The LED package includes a package main body, first and second electrode structures, first and second LED chips, and first and second resin packing parts. The package main body includes a concave portion and a barrier wall dividing the concave portion into at least first and second accommodation recesses. The first and second electrode structures are formed at the package main body and are exposed at bottom surfaces of the first and second accommodation recesses respectively. The first and second LED chips are electrically connected to the first and second electrode structures are respectively mounted on the bottom surfaces of the first and second accommodation recesses. The first and second resin packing parts include at least one fluorescent material and are formed in the first and second accommodation recesses for packing the first and second LED chips. | 05-27-2010 |
20100128462 | ILLUMINATION DEVICE WITH SELECTABLE OPTICAL WAVELENGTH CONVERSION - An illumination device includes a light source emitting light of certain wavelength and a light transmissive element having optical wavelength converting regions. Each optical wavelength converting region can be selectively positioned opposite to the light source. The optical wavelength converting region opposite to the light source receive the light emitted from the light source and convert the wavelength of the light. | 05-27-2010 |
20100128463 | HEADLIGHT FOR VEHICLE - There is provided a headlight for a vehicle. The headlight uses a light emitting device as a light source, so that light intensity can be enhanced and rectangular beams without discontinuity can be emitted, thereby enhancing light distribution characteristic. | 05-27-2010 |
20100135001 | LIGHT-EMITTING DEVICE WITH A LONG LIFESPAN - A light-emitting device includes a housing, a light-emitting unit, a cup-shaped reflector, and a plurality of leads. The light-emitting unit is disposed in the housing. The cup-shaped reflector is disposed in the housing, and includes a base wall that is formed with a plurality of holes therethrough, and a surrounding wall that diverges from the base wall thereof and that surrounds the light-emitting unit. Each of the leads extends into the housing and is coupled electrically to the light-emitting unit. | 06-03-2010 |
20100142180 | LIGHT EMITTING DIODE SOURCE WITH PROTECTIVE BARRIER - An apparatus having a substrate, an LED light source attached to the substrate, an electrical connector attached to the substrate and electrically connected to the LED light source, a potting material on the substrate and covering at least a portion of the electrical connector; and a barrier separating the potting material from the LED light source, the barrier having a height that exceeds the thickness of the potting material on the substrate. | 06-10-2010 |
20100142181 | ILLUMINATION SYSTEM COMPRISING COMPOSITE MONOLITHIC CERAMIC LUMINESCENCE CONVERTER - An illumination system comprising a radiation source and a monolithic ceramic luminescence converter comprising a composite material of at least one luminescent compound, and at least one non-luminescent compound, wherein the material of the non-luminescent compound comprises silicon and nitrogen, is advantageously used, when the luminescent compound comprises an rare-earth metal-activated host compound also comprising silicon and nitrogen. Shared chemical characteristics of the luminescent compound and the non-luminescent material improve phase assemblage, thermal and optical behavior. The invention relates also to a composite monolithic ceramic luminescence converter. | 06-10-2010 |
20100142182 | ILLUMINATION SYSTEM - The invention provides an illumination system comprising a light-emitting device which excites a first luminescent element, which forms part of the light-emitting device. The light emitted from the first luminescent element and/or the light emitted by the light-emitting device excite a second luminescent element, physically separated from the light-emitting device. By employing two luminescent elements, the first element in the light-emitting device, and the second element physically separated from the light-emitting device, such as on a cover plate, the conversion of light produced by the light-emitting device is performed at both a “local” and a “remote” location, respectively, and the amount of luminescent material required at the remote location may be reduced compared to the situation of the prior art where the light conversion was only performed at a remote location. | 06-10-2010 |
20100149783 | LIGHT-EMITTING MODULE AND ILLUMINATION APPARATUS - A light-emitting module includes at least one light-emitting element provided on a mount surface of a substratum. A translucent member is provided so as to face the mount surface of the substratum. The translucent member is separated from the light-emitting element and contains a phosphor material that converts a wavelength of light emitted by the light-emitting element. A frame having heat conducting properties is interposed between the substratum and the translucent member. The frame surrounds the light-emitting element. The frame includes an opening that leads light emitted by the light-emitting element to the translucent member, and a heat conductor thermally connected to the translucent member. The heat conductor includes a heat radiator exposed outside of the translucent member. | 06-17-2010 |
20100157571 | ILLUMINATION DEVICE WITH SELECTIVE COLOR OUTPUT - An exemplary illumination device includes a light source and a light-pervious optical wavelength converting barrel. The light source is configured for emitting monochromatic light. The light-pervious optical wavelength converting barrel includes a plurality of optical wavelength converting regions. The optical wavelength converting regions are sequentially arranged to cooperatively form an accommodating space receiving the light source. In operation, the barrel is rotatable relative to the light source, such that each of the optical wavelength converting regions is capable of being selectively positioned to receive the light from the light source. Thereby, the illumination device emits light with a converted wavelength. | 06-24-2010 |
20100157572 | ILLUMINATING APPARATUS WITH PHOSPHOR FILMS - An exemplary illuminating apparatus includes a light source, a supporting member, a first film and a second film. The light source includes a substrate and a plurality of light emitting diode arranged on the substrate. The supporting member connected to the substrate. The supporting member includes a light emitting surface at a side thereof distant from the light emitting diodes. The first film and the second film attached to each other and arranged at the light emitting surface of the supporting member. The first film includes a first phosphor doped therein, and the second film includes a second phosphor doped therein. Each of the first phosphor and the second phosphor is capable of being excited by light emitted from the light-emitting diodes and converting a wavelength of the light into a desired wavelength. | 06-24-2010 |
20100157573 | Light source apparatus - A light source apparatus includes a first light emitter, a second light emitter, and a third light emitter. The first light emitter has a peak wavelength within the range from 600 nm to 660 nm and a wavelength range at half peak intensity wider than the range from 600 nm to 660 nm, the second light emitter has a peak wavelength within the range from 530 nm to 570 nm and a wavelength range at half peak intensity wider than the range from 530 nm to 570 nm, and the third light emitter which a peak wavelength is 420 nm-470 nm in a spectral power distribution thereof. | 06-24-2010 |
20100165599 | REMOTE PHOSPHOR LED ILLUMINATION SYSTEM - An illuminator is disclosed, in which an LED module emits short-wavelength light toward a phosphor module, which absorbs it and emits wavelength-conditioned light. The emission is generally longitudinal, with a generally Lambertian distribution about the longitudinal direction. The phosphor module includes a transparent layer, closest to the LED module, and a phosphor layer directly adjacent to the transparent layer. Both layers are oriented generally perpendicular to the longitudinal direction. The illuminator includes a reflector, circumferentially surrounding the emission plane in the LED module and extending longitudinally between the emission plane and the transparent layer. Virtually all the light emitted from the LED module either enters the phosphor module directly, or enters after a reflection off the reflector. The transverse side or sides of the transparent layer support total internal reflection, so that virtually all the light that enters the transparent layer, from the LED module, is transmitted to the phosphor layer. In some applications, the phosphor layer is located at the focus of a concave mirror, which can narrow and/or collimate the light emitted by the phosphor. Adjacent to the phosphor layer and opposite the transparent layer, the phosphor module can include a transparent dome, a heat sink, or nothing. | 07-01-2010 |
20100165600 | LIGHT EMITTING DIODE LAMP - An LED lamp includes a base, a bracket, a knob pivotably interconnecting the base and the bracket, and a reflector facing the base. The bracket includes two perpendicular arms on which multiple first LED modules and second LED modules are mounted. The first LED modules emit warm light, and the second LED modules emit cold light. The first LED modules and the second LED modules are selective to lighten by manipulating a button attached to the base. | 07-01-2010 |
20100172120 | COLOR-TUNABLE ILLUMINATION SYSTEM - The invention relates to a color-tunable illumination system ( | 07-08-2010 |
20100172121 | SELF-SUPPORTING LUMINESCENT FILM AND PHOSPHOR-ENHANCED ILLUMINATION SYSTEM - The invention relates to a self-supporting luminescent film ( | 07-08-2010 |
20100172122 | SOLID STATE LIGHTING USING NANOPHOSPHOR BEARING MATERIAL THAT IS COLOR-NEUTRAL WHEN NOT EXCITED BY A SOLID STATE SOURCE - An element for a solid state lighting device, such as a lamp or light fixture, includes one or more semiconductor nanophosphors dispersed in a light transmissive material in the element. The material is of a type and the nanophosphor(s) are dispersed therein in such a manner that the material bearing the semiconductor nanophosphor(s) is at least substantially color-neutral to the human observer, when the solid state lighting device is off. In some examples, the material appears relatively clear or transparent when the device is off. In other examples, the material appears translucent, e.g. white, when the device is off. When such an element is used to remotely deploy the nanophosphor, the nanophosphor is not readily perceptible to a person viewing the device when off. If a bubble is formed inside the container with a liquid type phosphor bearing material, the bubble may be configured to essentially disappear when the light transmissive liquid material reaches a nominal operating temperature. | 07-08-2010 |
20100177495 | ILLUMINATION SYSTEM, COLLIMATOR AND SPOTLIGHT - The invention relates to an illumination system ( | 07-15-2010 |
20100177496 | CUSTOM COLOR LED REPLACEMENTS FOR TRADITIONAL LIGHTING FIXTURES - Light emitting diodes (LEDs) comprising semiconductor nanocrystals, or more specifically quantum dots, used as a stable phosphor are presented. The result is a color tunable LED with a lifetime of at least 1,000 hours, or at least 5,000 hours. | 07-15-2010 |
20100177497 | EFFICIENT EMITTING LED PACKAGE AND METHOD FOR EFFICIENTLY EMITTING LIGHT - An LED package comprises an LED for emitting LED light, and a conversion material remote to said LED for down-converting the wavelength of LED light. The package further comprises a reflector directing at least some of the LED light toward the conversion material, the conversion material down-converting the wavelength of at least some of the reflected LED light. A method for emitting light from an LED package comprising providing an LED, reflector and conversion material, and emitting light from said LED, at least some of the LED light emitted toward the reflector. The method further comprises reflecting at least some of the LED light toward the conversion material, and converting at least some of said reflected LED light at the conversion material. At least some of the converted reflected LED light is emitted by the LED package. | 07-15-2010 |
20100182766 | ILLUMINATION DEVICE WITH FLEXIBLE LIGHT TRANSMISSIVE FILM - An exemplary illumination device includes a light source, a flexible light transmissive film and a driving module. The light source is for emitting light. The flexible light transmissive film has a substantially rectangular shape. The flexible light transmissive film is divided into a plurality of optical wavelength converting regions successively arranged along a longitudinal direction of the rectangular shape. The driving module is mechanically connected to at least one end of the light transmissive film and configured for winding up the light transmissive film, thereby driving the light transmissive film to travel along the longitudinal direction. | 07-22-2010 |
20100188836 | Illuminating device - An illuminating device comprises a base, a light source and at least one first layer, wherein said light source is assembled on said base to emit a first color temperature light, while first layer is located on the base along the first light irradiation path. The first light is passed through the first layer to react with said first layer to form a second color temperature light for emission, wherein said first color temperature is ranged from 2800K to 20000K, while excitation wavelength range of said first layer is mainly beyond the wavelength of ultraviolet lights for further adjusting the second color temperature range. | 07-29-2010 |
20100188837 | COLOR CONVERSION DEVICE AND COLOR CONTROLLABLE LIGHT-OUTPUT DEVICE - A color conversion device ( | 07-29-2010 |
20100188838 | ILLUMINATING APPARATUS - A peak of the radiation directivity of light emitted by each of LEDs is directed to a reflecting surface, and the light emitted by the LEDs is indirectly incident on an outer lens after reflection by the reflecting surface. Thus, problems, such as a local increase in brightness of a light emitting surface over areas corresponding to light emitting portions of the LEDs, are prevented. In addition, most of the light emitted by the LEDs is indirectly incident on the outer lens via the reflecting surface, so that dispersion of blue light and yellow light, which constitute the white light, by the outer lens is prevented. Thus, illumination light highly uniform in amount and color can be provided. | 07-29-2010 |
20100188839 | LIGHT EMITTING DIODE LIGHTING SYSTEM - A lighting system for generating an illumination product comprises an excitation source, blue/UV LED, operable to generate excitation radiation and a remotely located phosphor, photo luminescent material. Excitation radiation is guided from the excitation source to the phosphor by a waveguiding medium, the waveguiding medium being configured such that the distance the radiation travels from the excitation source to the phosphor layer is at least one centimeter in length. The UV/blue excitation source provides excitation radiation to the phosphor(s), causing the phosphor(s) to photo luminesce, and it may also provide a component of the final illumination product. The configuration of the waveguide allows a greater flexibility in lighting system configurations, such as hanging lighting fixtures, desk lighting fixtures, floor standing lighting fixtures, desk lamps, track lighting, spot lighting, accent lighting, lighting panels, inspection lamps and endoscopes. | 07-29-2010 |
20100195306 | LIGHT EMITTING DIODE LAMP WITH PHOSPHOR COATED REFLECTOR - A light emitting apparatus includes a lamp reflector having phosphor, wherein the lamp reflector further includes an aperture, and an LED light source arranged with the lamp reflector to excite the phosphor and to emit light through the aperture of the lamp reflector. | 08-05-2010 |
20100195307 | Phosphor Composite Coated Diffuser device and method - A two part device and method for converting a single wavelength light source such as blue LEDs to white light. A separable diffuser light converter is provided in proximity to a directional light source such as plurality of blue LEDs provided on a printed circuit board substrate. In a planar example, red and green phosphors are provided in a polymer, silicon rubber, or epoxy carrier which is applied to the inner surface of a glass or acrylic diffuser. The diffuser is a transparent or translucent material such as glass, acrylic, polycarbonate, or ceramic. The diffuser is removably supported in proximity to the light source. The diffuser light converter may be selected for its phosphor properties, and may be replaced as the diffuser material or phosphor layer degrades. | 08-05-2010 |
20100195308 | LIGHT EMITTING DEVICE AND METHOD FOR FABRICATING THEREOF - The invention provides a light emitting device and method for fabricating thereof. The light emitting device includes a body having a cavity with a slanteded sidewall, a light emitting chip, a base and a conductive member, in which the base fits in the body, and the conductive member is formed in the body and extends out of the sidewall of the body along the slanteded sidewall of the cavity. | 08-05-2010 |
20100202128 | NON-INVASIVE INJECTION OF LIGHT INTO A TRANSPARENT SUBSTRATE, SUCH AS A WINDOW PANE THROUGH ITS FACE - Apparatus for illuminating a feature on a transparent light transmitting substrate or window: the substrate is capable of trapping light within itself and propagating the light along the substrate with total internal reflection. A light source is connected by an optical arrangement positioned with respect to one of the surfaces of the substrate for directing light into the substrate at an incident angle selected for propagation of light along the substrate. An extraction feature at a location on the surface of the substrate is configured to illuminate internal reflection at the feature, so that the feature becomes illuminated. Arrangements for the shape, orientation and adjustment of the optic, for configurations of the feature, for coupling the optic and also for coupling the feature to the substrate and particularly its surface are disclosed. | 08-12-2010 |
20100202129 | ILLUMINATION SYSTEM UTILIZING WAVELENGTH CONVERSION MATERIALS AND LIGHT RECYCLING - A wavelength conversion material with an omni-directional reflector is utilized to enhance the optical efficiency of an illumination system with a single aperture for inputting and outputting light beams. Light guides with restricted output apertures, micro-element plates and optical elements are utilized to enhance the brightness of delivered light through light recycling. Furthermore, micro-element plates may be used to provide control over the spatial distribution of light in terms of intensity and angle. Efficient and compact illumination systems that utilize single light source with deflectors are also disclosed. | 08-12-2010 |
20100208449 | LIGHT EMITTING DEVICE COMPRISING A MULTIPHASE SIALONG-BASED CERAMIC MATERIAL - The invention relates to a light emitting device comprising a light source, especially a LED, and a luminescent material, which is a ceramic multiphase material essentially of the composition M | 08-19-2010 |
20100214763 | PHOSPHOR, PROCESS FOR PRODUCING THE SAME, WAVELENGTH CONVERTER AND ILLUMINATION DEVICE - A fluorescent substance contains M | 08-26-2010 |
20100214764 | NEON-TUBE SUBSTITUTE USING LIGHT-EMITTING DIODES - A tubular luminaire efficiently utilizes the light of a line of high-brightness unlensed LEDs to reproduce the homogeneous appearance of a neon tube. The transparent tube has an annular cross-section suitable for cost-effective manufacturing by extrusion. The LEDs are mounted in a line on a circuit board that can be positioned either inside or outside the tube. Their light shines into a cylindrical groove, thereby entering within the material of the tube. Above the groove, the wall of the tube has a spiral shape that reflects the light laterally so that it stays within the annular tube for a considerable path length. Volume scattering by a low density of scattering inclusions causes the light to escape as a homogenous glow. Alternatively, mild surface scattering from the inside surface can be used. | 08-26-2010 |
20100226116 | LENSED CABLE LIGHT SYSTEMS - A light assembly includes an electroluminescent cable, an elongated lens, and a substantially planar substrate. The electroluminescent cable has an outer surface extending along a longitudinal dimension of the electroluminescent cable. The elongated lens extends along the longitudinal dimension of the electroluminescent cable and encloses at least a portion of the outer surface of the electroluminescent cable. The elongated lens is adapted to refract light emitted from the electroluminescent cable. The elongated lens structure is adhered to the substantially planar substrate. In certain instances, the substrate is a reflective substrate adapted to reflect light emitted from the electroluminescent cable. | 09-09-2010 |
20100232133 | Lamp-cover structure containing luminescent material - An LED lamp cover structure containing luminescent material and its fabrication methods are described. The LED lamp cover is comprised of a first lens cap providing the outer surface of the lamp cover, a second lens cap providing the inner surface of the lamp cover, and an encapsulating layer sandwiched between the lens cap providing the outer surface of the lamp cover and the lens cap providing the inner surface of the lamp cover, which is mixed with luminescent material for wavelength conversion. | 09-16-2010 |
20100232134 | LIGHT EMITTING DEVICE AND LAMP-COVER STRUCTURE CONTAINING LUMINESCENT MATERIAL - An LED lamp cover structure containing luminescent material, its fabrication methods, and an LED package using the LED lamp cover are disclosed. The LED lamp cover is comprised of a first lens cap providing the outer surface of the lamp cover, a second lens cap providing the inner surface of the lamp cover, and an encapsulating layer sandwiched between the first and second lens caps. The lamp cover of the invention covering a color LED package such as blue color can provide white light output. | 09-16-2010 |
20100232135 | PHOTOSYNTHESIS INHIBITING LIGHT SOURCE AND ILLUMINATING DEVICE THAT USES THE SAME - A photosynthesis inhibiting light source that emits substantially white light that does not exert an adverse influence on the human body while inhibiting/stunting the growth and propagation of photosynthetic organisms. photosynthesis inhibiting light source includes a semiconductor layer that emits near-ultraviolet light and at least one kind of fluorescent substance that emits light by being excited by the near-ultraviolet light. The near-ultraviolet light includes ultraviolet light having a light emission band in wavelengths of 300 to 380 nm and violet light having a light emission band in wavelengths of 380 to 400 nm. The mixed light of the near-ultraviolet light and light emitted by the at least one kind of fluorescent substance is substantially white. | 09-16-2010 |
20100238645 | MULTI-CAVITY LED ARRAY RGB COLLIMATION OPTIC - This invention relates to optical devices. More specifically, the present invention relates to a collimated optical light source assembly that produces a uniform white light. Specifically, light from a multi-cavity RGB LED array is dispersed in a reflecting cavity having a Lambertian texture on the interior surface. The light is then emitted though a lenslet array and a cone lens which together further disperses the light emitted by the individual LEDs. The dispersed light is then collimated by a reflector. | 09-23-2010 |
20100238646 | LUMINESCENT GLASS - The present invention provides a process for producing a luminescent glass, comprising the steps of adsorbing, to a porous high silica glass, at least one metal component selected from the group consisting of elements of Groups IIIA, IVA, VA, VIA, VIIA, VIII, IB, IIB and IVB of the Periodic Table; and thereafter heating the porous glass in a reducing atmosphere. | 09-23-2010 |
20100246159 | LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - A light emitting device, includes: a casing; a window; a semiconductor laser provided in an enclosed space formed by the casing and the window; and a fluorescent material in a form of any one of a crystal and glass, the fluorescent material being provided in the enclosed space, the fluorescent material absorbing laser light emitted from the semiconductor laser and emitting secondary light having a wavelength different from a wavelength of the laser light, and the secondary light being taken out through the window. | 09-30-2010 |
20100246160 | ILLUMINATION APPARATUS, DISPLAY APPARATUS, AND METOD OF PRODUCING AN ILLUMINATION - [Object] To provide an illumination apparatus capable of suppressing a chromaticity fluctuation due to a view angle and an incident angle. | 09-30-2010 |
20100254115 | COLOR-TUNABLE ILLUMINATION SYSTEM, LAMP AND LUMINAIRE - The invention relates to a color-tunable illumination system ( | 10-07-2010 |
20100259916 | LIGHT-EMITTING DEVICE AND METHOD FOR FABRICATING THE SAME - A light-emitting device and a method for fabricating the same are provided. The light-emitting device includes: a substrate; a light-emitting component disposed on the substrate; a lens covering the substrate to hermetically seal the light-emitting component; and a reflective layer formed and a light emission surface defined on the surface of the lens such that light beams generated by the light-emitting component are reflected off the reflective layer, refracted by the light emission surface, and then emitted outward in a specific direction, thereby forming specific light distribution patterns on an illuminated surface outside the light-emitting device. | 10-14-2010 |
20100259917 | LIGHT FIXTURE USING UV SOLID STATE DEVICE AND REMOTE SEMICONDUCTOR NANOPHOSPHORS TO PRODUCE WHITE LIGHT - For general lighting applications, a semiconductor chip produces near ultraviolet (UV) electromagnetic energy in a range of 380-420 nm, e.g. 405 nm. Semiconductor nanophosphors, typically doped semiconductor nanophosphors, are remotely positioned in an optic of a light fixture. Each phosphor is of a type or configuration that when excited by energy in the 380-420 nm range, emits light of a different spectral characteristic. The nanophosphors together produce light in the fixture output that is at least substantially white and has a color rendering index (CRI) of 75 or higher. In some examples, the fixture optic includes an optical integrating cavity. In the examples using doped semiconductor nanophosphors, the visible white light output exhibits a color temperature in one of the following ranges along the black body curve: 2,725±145° Kelvin; 3,045±175° Kelvin; 3,465±245° Kelvin; and 3,985±275° Kelvin. | 10-14-2010 |
20100259918 | SOLID STATE LIGHTING SYSTEM WITH OPTIC PROVIDING OCCLUDED REMOTE PHOSPHOR - The present teachings relate to semiconductor-based lighting systems and fixtures which process electromagnetic energy from light emitting diodes or the like. A disclosed exemplary system includes at least one occluded remote phosphor and produces substantially white light of desired characteristics. The remote phosphor extends over at least a portion of a surface of a macro optic at an occluded location such that none of the remote phosphor is directly visible through an optical aperture. The phosphor is responsive to electromagnetic energy from a semiconductor device to emit visible light for the emission through the optical aperture. | 10-14-2010 |
20100259919 | LED Downlight Retaining Ring - An LED downlight comprises a primary reflector having an upper end and an open lower end, an LED printed circuit board assembly disposed in the upper end of the reflector, an optical assembly positioned beneath the LED printed circuit board assembly, a secondary reflective ring positioned beneath the LED printed circuit board assembly and within the primary reflector housing, the secondary reflector ring supporting the optical assembly and improving light distribution. | 10-14-2010 |
20100265692 | LIGHT SOURCE AND ILLUMINATION SYSTEM HAVING A PREDEFINED EXTERNAL APPEARANCE - The invention relates to alightsource and an illumination system. The light source ( | 10-21-2010 |
20100265693 | TUBE-TYPE OR CHANNEL-TYPE LED LIGHTING APPARATUS - A light emitting diode (LED) lighting apparatus that may be used as interior lighting or advertisement lighting is disclosed. The LED lighting apparatus includes a channel-type or tube-type optical housing with a light emission surface and an LED array arranged in the optical housing. The light emission surface includes a valley line and a first inner ridge and a second inner ridge disposed on opposing sides of the valley line, and the LED array includes a plurality of LEDs whose centers are arranged along the valley line. | 10-21-2010 |
20100271805 | TUFTED TEXTILE - The present invention relates to a tufted textile ( | 10-28-2010 |
20100277890 | DISPLAY SCREEN COMPRISING PHOTOLUMINESCENT MATERIAL - Embodiments are disclosed herein related to the use of photoluminescent material to improve the presentation of images being displayed by a user interface device. For example, one embodiment provides a user interface device including a cuplet microstructure sheet that includes a plurality of cuplets. Each cuplet forms a light input opening and a light output opening. The light output opening has a diameter that is larger than a diameter of the light input opening. The user interface device further includes a photoluminescent material that at least partially fills one or more cuplets of the plurality of cuplets. The user interface device further includes a light source configured to generate light that is directed to one or more selected cuplets of the plurality of cuplets. | 11-04-2010 |
20100277891 | LED CASING STRUCTURE - A light emitting diode LED casing structure, particularly to an LED casing structure having two or more layers, includes a phosphor distributed uniformly between plastic film layers in an LED casing, such that the phosphor in the LED casing will not be drifted and sunk easily during the manufacturing process of an LED. | 11-04-2010 |
20100284166 | METHOD FOR FABRICATION OF THIN FILM PHOSPHOR, THIN FILM PHOSPHOR, AND PHOSPHOR PROUCT USING THE SAME - Disclosed are a method for fabrication of a thin film phosphor, a thin film phosphor and a product using the same. The thin film phosphor is fabricated by adsorbing a raw material to a surface of a substrate simultaneously with diffusing the same or, otherwise, depositing the raw material on the substrate and heating the same, so as to diffuse the raw material from the surface of the substrate into the substrate wherein the substrate contains at least one selected from constitutional elements of the phosphor. The fabricated thin film phosphor has a constitutional composition continuously varied to gradually come close to a constitutional composition of the substrate when the constitutional elements of the phosphor are diffused from a surface to an inner side of the substrate. In particular, if the substrate material, the raw material and the phosphor layer material have the same or similar structure, and when the phosphor layer material has an anisotropic texture structure, light luminance is maximized while a decay time is minimized. According to this disclosure, different thin film phosphors with improved luminance comparable to that of a powder phosphor may be fabricated. Compared to such powder phosphor, the thin film phosphor fabricated as described above is thermally and chemically stable and does not exhibit an interference pattern or light reflection between the thin film phosphor and the substrate so as to have excellent light transmission, thereby being applicable to large-scale display devices. | 11-11-2010 |
20100284167 | SEPARATE OPTICAL DEVICE FOR DIRECTING LIGHT FROM AN LED - Embodiments of the present invention provide separate optical devices operable to couple to a separate LED, the separate optical device comprising an entrance surface to receive light from a separate LED when the separate optical device is coupled to the separate LED, an exit surface opposite from and a distance from the entrance surface and a set of sidewalls. The exit surface can have at least a minimum area necessary to conserve brightness for a desired half-angle of light projected from the separate optical device. Furthermore, each sidewall is positioned and shaped so that rays having a straight transmission path from the entrance surface to that sidewall reflect to the exit surface with an angle of incidence at the exit surface at less than or equal to a critical angle at the exit surface. | 11-11-2010 |
20100290208 | SOLID STATE LIGHTING DEVICES HAVING REMOTE LUMINESCENT MATERIAL-CONTAINING ELEMENT, AND LIGHTING METHODS - A lighting device comprising a first group of solid state light emitters, an element containing luminescent material and a second group of solid state light emitters spaced from the element. In some embodiments, (1) at least 50% of light emitted by one of the first group does not mix with light emitted by the second group before the light emitted by the second group has entered the element, (2) at least 90% of exiting light emitted by the second group travels farther within the lighting device than 90% of exiting light emitted by the first group, (3) an average distance traveled by exiting light emitted by the second group is farther than an average distance traveled by exiting light emitted by the second group, and/or (4) light emitted by the first group directly exiting the lighting device exits the lighting device without being incident upon the element. | 11-18-2010 |
20100296264 | ILLUMINATION DEVICE - The invention relates to an illumination device ( | 11-25-2010 |
20100296265 | ILLUMINATION LENS AND ILLUMINATION UNIT INCLUDING THE SAME - An illumination lens including a first part being free of prismatic patterns, a second part including prismatic patterns on both sides of the first part and configured to increase light distribution in the both sides of the first part, and a lens cover covering the first and second parts with the first and second parts being disposed on a substantially same plane under the lens cover. | 11-25-2010 |
20100296266 | Lighting Device - A luminous device ( | 11-25-2010 |
20100309646 | LIGHT-EMITTING DEVICE AND DISPLAY UNIT AND LIGHTING UNIT USING THE SAME - A light-emitting device ( | 12-09-2010 |
20100309647 | Illumination Unit Consisting of Discharge Lamp, LEDs and Conversion Phosphors - The invention relates to an illumination unit having an adjustable colour location consisting of a discharge lamp as primary light source and LEDs as secondary light source and additionally a phosphor layer in the form of a phosphor screen comprising conversion phosphors. Furthermore, the present invention relates to a method for lighting usable areas by the illumination unit according to the invention. | 12-09-2010 |
20100309648 | LIGHT EMITTING DEVICE - The present invention relates to a light emitting device ( | 12-09-2010 |
20100315802 | Optical system for a Light Emitting Diode with collection, conduction, phosphor directing, and output means - An optical system with an LED light source utilizes a base with an inverted conical shape to conduct light to a phosphor layer. The phosphor layer emits light from both upper and lower surfaces. The base and a substantially mirror image cap element facilitate efficient extraction of the phosphor-generated light from the optical system so that the output of the system is omni-directional light suitable for common lighting applications. The system is very efficient in that nearly all the light generated by the LED is transmitted to the phosphor layer, and nearly all the light emitted from the phosphor layer is output from the system. | 12-16-2010 |
20100321918 | Clip-on Lampshade Adaptor for Enhanced Gripping of both Standard Incandescent and Compact Fluorescent Light Bulbs - A retro-fit light-bulb clip adaptor kit and method of use thereof are disclosed that increase the frictional gripping strength of a conventional light-bulb clip, thereby allowing a clip-on lampshade or a clip-on lampshade adaptor to be more securely attached to either a traditional light bulb or a compact fluorescent “CFL” light bulb. The kit includes at least one length of longitudinally split tubing made from a heat-resistant, elastic material. The tubing is split open and applied to the bulb-gripping wires so as to completely cover the gripping loops, and thereby provide a surface with enhanced static friction. The elastic material thereafter provides increased static friction so as to enhance the loop's ability to grip either a standard bulb or a CFL bulb. The tubing is preferably made from either PVC, latex, silicone, heat resistant rubber, a heat resistant engineering polymer, polyalkylene-terephthalate, isophthalate, or copolyesters, but most preferably silicone. | 12-23-2010 |
20100321919 | LED BASED LAMP AND LIGHT EMITTING SIGNAGE - An LED based lamp comprises: an enclosure with an opening that comprises a light emission plane through which light is emitted from the lamp; a plurality of LEDs located along at least one wall of the enclosure and operable to generate light of a first wavelength range, wherein the LEDs are configured such that in operation their emission axis is oriented within a plane that is substantially parallel with or directed away from the light emission plane; and a first light reflective surface located on the base of the enclosure and configured such that in operation light is reflected through the light emission plane. A light emitting sign comprises the lamp of the invention with a light transmissive display surface overlying the light emission plane. | 12-23-2010 |
20100321920 | ILLUMINATING DEVICE AND PACKAGING METHOD THEREOF - An illuminating device includes a substrate, an illuminating element, at least one barricade and at least one cover layer. The illuminating element is disposed on the substrate. The barricade is protruded from a surface of the substrate and disposed around the illuminating element continuously or discontinuously to form a first accommodating area. The cover layer is disposed in the first accommodating area for covering the illuminating element. | 12-23-2010 |
20100321921 | LED LAMP WITH A WAVELENGTH CONVERTING LAYER - Disclosed herein are embodiments of replacement lights for conventional fluorescent tube lights for use in a conventional fluorescent fixture. One embodiment comprises a tubular housing, a circuit board disposed within the housing, a pair of end caps disposed on opposing ends of the tubular housing with at least one pin connector extending from each end cap, an array of LEDs arranged longitudinally along the circuit board, a number and spacing of the LEDs being such as to uniformly and fully occupy a space between the end caps, wherein at least one of the connectors is electrically connected to the LEDs and a wavelength-converting material in contact with at least a portion of the tubular housing. The wavelength-converting material is excited by transmitted light from the LEDs to produce visible light. | 12-23-2010 |
20100328923 | MULTIPLE LAYER PHOSPHOR BEARING FILM - A multiple layer phosphor bearing film having a phosphor bearing layer comprising phosphor. The film may also have an optical layer having a refractive index that is higher than a refractive index for the phosphor bearing layer. The phosphor beraing layer may be adhesive to enable the film to be applied to a light source. | 12-30-2010 |
20100328924 | LIGHTED UMBRELLA - Lighted umbrella ( | 12-30-2010 |
20100328925 | ILLUMINATION DEVICE WITH LED AND A TRANSMISSIVE SUPPORT COMPRISING A LUMINESCENT MATERIAL - The invention provides an illumination device ( | 12-30-2010 |
20100328926 | ILLUMINATION DEVICE WITH LED AND ONE OR MORE TRANSMISSIVE WINDOWS - The invention provides an illumination device ( | 12-30-2010 |
20110026238 | LIGHTING DEVICE - Disclosed is a lighting device. The lighting device includes a plurality of lighting units including a housing, a light emitting module installed in the housing, and a coupling part having a fixing section coupled on the housing and a protrusion section horizontally protruding from an upper end of the fixing section; and a bracket having an insertion groove slidably coupled with the protrusion section of the coupling part to assemble the lighting units with each other. | 02-03-2011 |
20110038138 | VISIBLE LIGHT GENERATED USING UV LIGHT SOURCE - A device and method for an ultraviolet light (UV) light based visible light generator is disclosed. The UV light source emits a beam of UV light that may be scattered or reflected onto surfaces including UV light reactive materials that produces visible light when exposed to UV light. The UV light may be coherent or non-coherent light. The UV light reactive material may include quantum dot material. | 02-17-2011 |
20110044022 | SYSTEM AND METHOD FOR A PHOSPHOR COATED LENS - Embodiments disclosed herein provide optical systems utilizing photon conversion materials in conjunction with a light source and an LED. An LED can be positioned in a cavity defined by a base and one or more sidewalls. Phosphors can be disposed on the entrance face of a lens between the entrance face to the lens body and the LED so that light emitted from the LED will be incident on the phosphor and down converted before entering the lens body through the entrance face. The lens can positioned so that the phosphors are separated from the LED by a gap. | 02-24-2011 |
20110044023 | Lighting device - A lighting device includes a housing, at least one reflector disposed inside the housing; and a light source unit being disposed inside the housing and emitting light toward the reflector, wherein the light source unit includes a light emitting groove formed therein, the light emitting groove including a basal surface sloped toward the reflector, and wherein a plurality of light emitting devices are disposed sloping along the basal surface in the light emitting groove, and wherein the light emitting groove includes a projection part formed from the basal surface, the projection part blocking the light emitted directly from a plurality of the light emitting devices to the outside of the housing. | 02-24-2011 |
20110044024 | Lighting device - A lighting device includes: a housing, a coupling member, at least one reflector, and a light source unit, wherein the light source unit includes: a first body having a first coupling unit, a first sloping surface, and a first hinge protruding, a second body having a second coupling unit, a second sloping surface, and a second hinge protruding, a middle body having a second insertion groove and having a second connection terminal, the second connection terminal electrically connected to the first connection terminal, when the light source unit is coupled to the coupling member, and a main light emitting diode module disposed on the first sloping surface and the second sloping surface respectively. | 02-24-2011 |
20110044025 | LIGHT EMITTING DEVICE - The light emitting device comprises a point light source, a solid and transparent light guide, a recess arranged on center of a light receiving surface of the light guide, a concave lens formed on a surface of the recess. A reflecting side surface is a revolving surface determined by revolving a parabola passing through one point of peripheral border of the light receiving surface and the other point of peripheral border of the light radiating surface, and having a focal point on the other point of peripheral border. The point light source is arranged apart from the light receiving surface so as to divide the light from the point light source into light entering into the light guide through the surface of the recess and light entering into the light guide through some part of the light receiving surface other than the recess. | 02-24-2011 |
20110044026 | ILLUMINATION DEVICE WITH LED WITH A SELF-SUPPORTING GRID CONTAINING LUMINESCENT MATERIAL AND METHOD OF MAKING THE SELF-SUPPORTING GRID - The invention provides an illumination device ( | 02-24-2011 |
20110051394 | WARM WHITE LIGHTING DEVICE - The present invention relates to warm white light engines including combinations of blue, cyan, and red, red-orange, or amber emitters and one or more phosphors that produce a white light pleasing to the human eye through the use of improved color uniformity and improved collimation of light. Specifically, a micro-lenslet array having an optimized surface is used to disperse light from the light emitter; an innercollimation lens having an optimized cross-sectional shape and micro-ridges is used to disperse light; a TIR reflector having an optimized cross-sectional shape and micro-ridges is used to disperse and redistribute phase as well as provide collimation; and a final micro-lenslet layer includes optimized lenslet design placement and randomization factor to homogenize light to produce a uniform warm white light. | 03-03-2011 |
20110051395 | SIGNAGE - This invention concerns a media display sign ( | 03-03-2011 |
20110058353 | LED-BASED LAMPS - An LED-lamp (lighting bar) comprises a plurality of solid state light emitters (LEDs) configured as an elongate (linear) array and a generally concave cylindrical light reflective surface disposed along the length of the array of LEDs. The concave light reflective surface is configured to direct light over an illumination plane located to a side of the lamp. The LEDs can be configured such that their emission axes are oriented to the illumination plane at an angle of between 0° and 90. The lamp can further comprise a second generally concave cylindrical light reflective surface in which the concave light reflective surfaces are configured to direct light over illumination planes located on respective sides of the lamp. There is also disclosed a panel lamp and sign incorporating the lamp(s) of the invention. | 03-10-2011 |
20110069473 | Display device, apparatus for producing display device, and method for producing display device - A display device free from a deterioration in luminescence efficiency is provided. In the display device of the present invention, since an inorganic film is formed after concave parts in which luminescence portions are positioned are filled with a filling film, no crack is formed in the inorganic film. Since the inorganic film is made of a material having high gas tightness and heat conductivity (such as, diamond-like carbon or AlN), water and oxygen will hardly penetrate the luminescence portions, and heat of the luminescence portions will be conducted to the inorganic film, so that the luminescence portions do not reach high temperatures. Further, since a gap between first and second panels is filled with a resin film, the atmosphere does not enter from the outside. Because the luminescence portions are free from damage from water, oxygen and heat, the display device of the present invention has a prolonged life. | 03-24-2011 |
20110069474 | Method and Apparatus for Generating White Light from Solid State Light Emitting Devices - An optical device capable of generating warm light using an array of phosphor islands situated over a phosphor layer is disclosed. The device includes a solid state light emitter, a phosphor layer, and phosphor islands. The solid state light emitter, in an aspect, is a light emitting diode (“LED”) capable of converting electrical energy to optical light. The phosphor layer is disposed over the solid state light emitter for generating luminous cool light in response to the optical light. Multiple phosphor islands are disposed on the phosphor layer for converting cool light to warm light, wherein the phosphor islands are evenly distributed over the phosphor layer. | 03-24-2011 |
20110075395 | Decorating Guitars - Apparatus and methods to decorate guitars are disclosed. An apparatus of one aspect may include a guitar shaped video game controller having a body and a neck. The apparatus may also include a decoration applied over a front surface of the body. The apparatus may also include a light coupled with the body of the guitar, the light disposed underneath the decoration, the light to transmit visible light through the decoration. | 03-31-2011 |
20110080723 | EDGE ILLUMINATION OF BEZELLESS DISPLAY SCREEN - One or more embodiments of the invention provide an apparatus and method for producing an image on a display screen that extends to the pixels or image elements disposed at the edge of the display screen. The display screen has an optical element with a thickness and an index of refraction that are selected to direct light to pixels or image elements disposed at the edge of the display screen without passing through the portion of the optical element that is blocked by a support frame or other structural member disposed on the rear surface of the display screen. Positioning such display screens together into a single screen assembly produces a tiled display having a much less noticeable grid pattern visible to the viewer. | 04-07-2011 |
20110085319 | LIGHTING APPARATUS - The invention relates to a lighting apparatus which comprises a laser light modification unit (2) for modifying laser light (3) to modified light and a laser (4) for emitting laser light (3) that is to be directed to the laser light modification unit (2). The lighting apparatus further comprises a first layer (5) and an opposing second layer (6), wherein the laser light modification unit (2) is arranged between the first layer (5) and the second layer (6), wherein at least one of the first (5) and the second layer (6) comprises a transparent material being transparent to the modified light and wherein the laser light modification unit (2) is adapted to allow the modified light to pass through the transparent material. | 04-14-2011 |
20110090668 | Light pen - First and second magnets of a light pen according to the present invention are used for replacing a conventional spring to be a switch structure of the light pen. Whereby, the elastic fatigue problem is not yielded, the switch structure is enabled to be more durable and dependable and can be used as a switch structure for a light pen whose stroke between two electric contact points from a separation state to a contact state is shorter. | 04-21-2011 |
20110090669 | LED LIGHTING DEVICE AND LIGHT SOURCE MODULE FOR THE SAME - An LED lighting device includes a supporting stage, a light source module, a heat dissipating module and a sleeve. The light source module is arranged on one side of the supporting stage and includes a plurality of white LEDs, a plurality of red LEDs, and a plurality of green LEDs. The heat dissipating module includes a plurality of heat-dissipating fins and a plurality of heat pipes passing through the heat-dissipating fins. The sleeve encloses the heat dissipating module. The LED lighting device mixes the lights from those LEDs to provide a light source with lower color temperature and higher color rendering index. | 04-21-2011 |
20110090670 | OPTICAL FILM AND LIGHT EMITTING DEVICE USING THE SAME - Disclosed is an optical film. The optical film includes:
| 04-21-2011 |
20110090671 | ILLUMINATION DEVICE - An illumination device may include a hollow body having at least one light emission opening, wherein the hollow body has at least partly a reflective surface at its inner side, and at least one semiconductor luminous element, wherein a predominant portion of the light emitted by the semiconductor luminous element is incident on the inner side of the hollow body and is reflected from there through the light emission opening. The device may furthermore include a covering for the light emission opening with a grid-type arrangement of light transmission openings, wherein the at least one semiconductor luminous element is fixed to the covering and is directed at the inner side of the hollow body, and wherein a side area of the covering that surrounds the light transmission openings is at least partly reflectively coated. | 04-21-2011 |
20110096526 | Light Emitting Device and Illumination Device - A light emitting device includes a base, a sub-mount substrate, and a frame member. The light emitting device further includes a light emitting element and a wavelength converting member. The sub-mount substrate is disposed on the base, and has an upper surface made of a ceramic sintered body. The frame member has a light reflecting portion made of porous ceramics, is disposed on the base, and surrounds the sub-mount substrate. The light emitting element is mounted on the sub-mount substrate. The wavelength converting member covers the light emitting element and the light reflecting portion of the frame member. | 04-28-2011 |
20110096527 | NANOPHOSPHOR, LIGHT EMITTING DEVICE INCLUDING NANOPHOSPHOR, AND METHOD OF PREPARING NANOPHOSPHOR - A nanophosphor including ZnS, having an average particle diameter of about 10 to about 500 nanometers, and having a ZnS cubic (111) peak in an X-ray diffraction spectrum, wherein the ZnS cubic (111) peak has a full width at half maximum (“FWHM”) of about 0.280 degrees or less. | 04-28-2011 |
20110103038 | WHITE LED DEVICE - An improved white LED device comprises at least one first LED component, at least one second LED component, and at least one translucent member. The first LED component emits a blue light having a peak wavelength of 440-470 nm; the second LED component emits a red light having the peak wavelength of 600-630 nm; and the translucent member contains at least one fluorescent substance scattered throughout the translucent member. The fluorescent substance is able to absorb some of the blue light, and emits yellow green light having the peak wavelength of 500-570 nm, wherein when the blue light and yellow green light are mixed, the CIE 1931 chromaticity diagram is represented by a polygon with color coordinates (0.20,0.50), (0.20,0.30), (0.29,0.30), and (0.40,0.50), furthermore, after mixing the red light, the blue light, and the yellow green light, the improved white LED device emits a white light with high color rendering, and a color temperature of the white light ranges between 2500-7000 K. | 05-05-2011 |
20110103039 | LUMINESCENT COMPONENT AND MANUFACTURING METHOD - The present invention relates to a luminescent component ( | 05-05-2011 |
20110110070 | REFLECTING CAP FOR ENHANCING ILLUMINANCE OF ILLUMINATION - The present invention relates to a reflecting cap for enhancing an illuminance of an illumination, which can enhancing the illuminance, protect skin by UV blocking, prevent dazzling, used with being inserted on lamp of various existing illuminations and adjust an irradiation angle of the light freely. To this end, the present invention provides a reflecting cap for enhancing an illuminance of an illumination, which includes a sheet having a shape that is inserted on a lamp of an illumination so as to enhance an illuminance of the illumination. In accordance with the present invention, an illuminance is increased and an economic effect can thus be expected. Further, it is possible to adjust an irradiation angle of the illumination light by adjusting an angle of the sheet inserted on the lamp of the illumination. | 05-12-2011 |
20110110071 | RADIAL LIGHT-EMITTING DIODE LAMP IN FLAT PRINTED CIRCUIT BOARD FORM FACTOR - The present invention is embodied in a radial light-emitting diode (“LED”) lamp in a flat printed circuit hoard (“PCB”) form factor. In one embodiment, the LED lamp comprises a single, two-sided PCB having one or more LEDs on each side of the PCB. Each LED is encapsulated within a casing generally shaped as a linear dome or half cylinder having an axis. The casing may be a substantially homogenous, molded phosphor mixture that emits light upon exposure to the electromagnetic radiation emitted by the LED inside the casing. Because of phosphorescence and surface reflections in the casing, each LED emits light through an angle greater than 180 degrees transverse to the axis of the casing. | 05-12-2011 |
20110116250 | Multi-loop parallel and serial application chip bracket - The present invention relates to a multi-loop parallel and serial application chip bracket, comprising a substrate, a plurality of chips, a plurality of conducting wires, positive and negative conducting brackets, a plurality of fluorescent layers and transparent adhesive tape and in particular one in which a pair of positive and negative conducting brackets are designed on both sides of the substrate for the placement of a plurality of conducting wires for a plurality of chips on the front side and back side for serial connection of the positive and negative conducting brackets on the two sides, therefore offering the single serial and parallel lighting effect of the front side and back side, wherein at least one pair of positive and negative conducting brackets may be added on the two sides of the substrate to realize the multi-stage single serial and parallel alternative switching cyclic permanent illuminating lighting control function and achieve the industrial application of the multi-facet chip loop interactive permanent illuminating lighting. | 05-19-2011 |
20110116251 | OCCUPANT PROTECTION DEVICE FOR A VEHICLE - An occupant protection device is provided for a vehicle that includes, but is not limited to at least one airbag module that is arranged in a hub region of a steering wheel. The airbag module includes, but is not limited to a visual surface facing a vehicle driver and the visual surface is entirely or partially formed of a textile. | 05-19-2011 |
20110116252 | LIGHT-EMITTING DEVICE AND METHOD FOR PRODUCING THE SAME - The light-emitting device of the present invention includes LED chips provided on a ceramic substrate and a sealing material in which the LED chips are embedded. The sealing material contains a fluorescent substance and divided into a first fluorescent-substance-containing resin layer and a second fluorescent-substance-containing resin layer by a first resin ring and a second resin ring. | 05-19-2011 |
20110116253 | SEMICONDUCTOR LIGHT SOURCE APPARATUS AND LIGHTING UNIT - A semiconductor light source apparatus can adjust a color tone of white light. The semiconductor light source apparatus can include a phosphor wheel, a motor rotating the phosphor wheel, a light source and a moving module. The phosphor wheel can include at least one phosphor layer configured to emit excited light. The phosphor wheel can vary a mixing ration of white light that is created by light emitted from the light source and the light excited by the at least one phosphor layer in accordance with a position of the phosphor wheel emitted by the light source. The moving module that is connected to the motor can adjust the position of light emitted from the light source. Thus, the disclosed subject matter can provide a semiconductor light source apparatus that can adjust a color tone of white light and a lighting unit using the light source apparatus, which can be used for a projector, lamp, etc. | 05-19-2011 |
20110128718 | LIGHTING FIXTURES USING SOLID STATE DEVICE AND REMOTE PHOSPHORS TO PRODUCE WHITE LIGHT - The present subject matter utilizes solid state sources to pump remote phosphors positioned within lighting fixtures to facilitate visible light illumination application in a region or area to be inhabited by a person. One or more phosphors are remotely positioned in a chamber of a lightguide element, which in some examples, substantially fills an optical volume of the fixture. The chamber includes a solid liquid or gas material for bearing the one or more phosphors. Multiple phosphors, for example, may together produce light in the fixture output that is at least substantially white and has a color rendering index (CRI) of 75 or higher. | 06-02-2011 |
20110134625 | Illuminated reading material holder and recharging system - An integrated illuminating reading material holder and system for recharging the holder(s) that uses an electro-luminescent sheet positioned parallel to and under a top flat transparent surface. The reading material is adapted to be supported on top of the transparent surface. A multi-slotted recharging station includes contacts in designated slots for recharging the battery of the holder when received in a respective slot. The holder and system may also use light emitting diodes placed around all or a portion of the perimeter of the holder to illuminate the reading material. | 06-09-2011 |
20110134626 | ILLUMINATION SYSTEM USING PHOSPHOR REMOTE FORM LIGHT SOURCE - The invention provides an illumination system and a method for illumination. The illumination system includes one or more light sources that produce a primary light, a light-mixing zone that homogenizes the primary light, a wavelength-converting layer that converts the primary light to a secondary light, and a light-transmitting zone that receives the secondary light and transmits the secondary light to, for example, a Liquid Crystal Display (LCD). | 06-09-2011 |
20110149548 | LIGHT EMITTING DIODE BASED LINEAR LAMPS - A linear lamp (lighting bar) comprises: a linear array of LEDs and an elongate lens disposed over the array of LEDs. The lens comprises a generally concave central portion (divergent) and generally convex edge portions (convergent) and is configured such that in operation a variation in illuminance is less than 10% over an angular range of at least 90°. In one arrangement the concave central portion comprises an inner generally concave surface that faces the LEDs and an outer substantially planar and/or generally concave surface overlying the LEDs. The convex edge portions can comprise an outer generally convex surface. The lamp is suited for use in a light box for light emitting signage, under-cabinet/under-shelf lighting, cove lighting, retail display lighting, advertisement display lighting, wall sconce lighting and outdoor or indoor area lighting | 06-23-2011 |
20110149549 | SEMICONDUCTOR LIGHT SOURCE APPARATUS AND LIGHTING UNIT - A semiconductor light source apparatus can emit various color lights having high brightness. The semiconductor light source apparatus can include a radiating substrate, at least one phosphor layer disposed on the radiating substrate and a semiconductor light source. The at least one phosphor layer can be composed of at least one of a glass phosphor and a phosphor ceramic and can include at least one of a red phosphor, a green phosphor and a blue phosphor. The light source can be located adjacent the phosphor layer so that light having high brightness emitted from the light source can be efficiently reflected on the radiating substrate via the at least one phosphor layer. Thus, the disclosed subject matter can provide a semiconductor light source apparatus that can emit various color lights having high brightness and a lighting unit using the light source apparatus, which can be used for general lighting, etc. | 06-23-2011 |
20110149550 | Alpha-sialon phosphor - The present invention relates to a novel alpha-sialon phosphor that is characterized in that it contains a metal M2 together with Mn as a dopant. M2 is particularly Eu and/or Yb. | 06-23-2011 |
20110157864 | LIGHT EMITTING DEVICE - According to embodiments, a light emitting device is provided. The light emitting device includes a semiconductor laser diode that emits a laser beam; first and second sidewalls that are disposed along a central beam axis of the laser beam with opposite each other; a phosphor layer that is provided between the first and second sidewalls, the phosphor layer including an incidence surface of the laser beam, the incidence surface being provided while inclined with respect to the central beam axis, the phosphor layer absorbing the laser beam to emit visible light on the incidence surface side; a slit that is provided on the incidence surface side of the phosphor layer to take out the visible light, the slit including a longitudinal direction and a crosswise direction, the longitudinal direction being disposed along a direction of the central beam axis; and a reflector that is provided on the slit side of the semiconductor laser diode so as not to intersect the central beam axis, the reflector reflecting part of the laser beam toward the phosphor layer. | 06-30-2011 |
20110157865 | ILLUMINATION DEVICE - Provided is an illumination device capable of reducing coherence of laser light emitted from a laser irradiation device to ensure safety to the eye at low cost. In the illumination device for exciting a fluorescent substance by irradiating the fluorescent substance with the laser light from the laser irradiation device to emit visible light for use as illumination light, a light scattering material is placed on and around an optical axis of the laser light. | 06-30-2011 |
20110157866 | SHELL AND DISPLAY MODULE OF MOBILE COMMUNICATION TERMINAL AND A METHOD OF FORMING THE SAME - A shell of mobile communication terminal is provided. The shell includes a shell body made by a transparent or semitransparent material and having an outer surface and an inner surface. The inner surface has patterns formed thereon. A semitransparent-semireflecting layer is formed on the outer surface of the shell body. The patterns can be observed from outside of the shell body when there is light transmitting from the inner surface to the outer surface, and the semitransparent-semireflecting layer presents a mirror effect when there is no light transmitting from the inner surface to the outer surface. | 06-30-2011 |
20110164397 | LED PACKAGE USING PHOSPHOR CONTAINING ELEMENTS AND LIGHT SOURCE CONTAINING SAME - A light-emitting diode package is described comprising a body including a hollow having a rim that extends outwardly from an open end of the hollow. A light emitting diode is positioned in the hollow and opposite the open end. A nongaseous transparent optical medium fills the hollow and a phosphor-containing element (PCE) is disposed over the hollow sealing the open end. The PCE has a solid body and a lateral portion including a periphery and dividing a top and a bottom. The bottom of the PCE is convex and in contact with the nongaseous transparent optical medium and the periphery of the PCE is in contact with the rim. | 07-07-2011 |
20110164398 | LUMINAIRE AND ILLUMINATION SYSTEM - The invention relates to a luminaire ( | 07-07-2011 |
20110170277 | LIGHT EMITTING DEVICE WITH PHOSPHOR WAVELENGTH CONVERSION - A light emitting device comprises an excitation source ( | 07-14-2011 |
20110170278 | ILLUMINATION SYSTEM, LUMINAIRE AND DISPLAY DEVICE - The invention relates to an illumination system ( | 07-14-2011 |
20110176289 | PHOSPHOR-CENTRIC CONTROL OF SOLID STATE LIGHTING - Lighting systems and devices offer dynamic control or tuning of a color characteristic of light. The lighting devices or systems utilize separately controlled sources to pump phosphors. The lighting systems and devices are configured to enable adjustment of intensities of electromagnetic energy emitted by the sources to independently adjust levels of excitations of the phosphors, in order to control a color characteristic of the visible light output of the lighting system or device. | 07-21-2011 |
20110176290 | WAVELENGTH CONVERSION UNIT AND ILLUMINATION APPARATUS INCLUDING THE UNIT - A wavelength conversion unit includes a wavelength conversion member that transmits a part of incident excitation light and converts a part of the excitation light into wavelength-converted light having a wavelength different from a wavelength of the excitation light to emit the wavelength-converted light. The excitation light has an intensity distribution in which an intensity is maximum at the center and decreases as getting apart from the center. A thickness of the wavelength conversion member at a portion into which light at the center of the intensity distribution of the excitation light enters is larger than those at any other portions. | 07-21-2011 |
20110176291 | SEMICONDUCTOR LAMP - A lamp for general lighting applications utilizes solid state light emitters and provides light output that may approximate light emissions from of an incandescent lamp. An exemplary lamp includes a bulb and a pedestal extending into the bulb that supports the light emitters in orientations such that emissions from the emitters through the bulb approximate emissions from a filament of an incandescent lamp. An inner member around the emitters and the pedestal provides further light processing, e.g. diffusing and/or phosphor luminescence. The lamp conforms to form factors and/or uses lamp base connectors of common incandescent lamps and/or compact fluorescent lamps. For efficient substitution of components during manufacture of lamps to different specifications, at least some examples use modular couplings for the parts of the lamp to the heat sink or other housing, such as for couplings of the lamp base, the bulb and the inner light processing member (if provided). | 07-21-2011 |
20110182053 | Omni-directional and multi-directional light-emitting diode (LED) lamp designs with multiple discrete LEDs on multiple facets - An LED lamp design concept with LEDs on multiple facets of a solid to produce substantially omni-directional light or multi-directional light is disclosed. Currently, conventional LEDs produce beams confined in a narrow region because they are single-sided planar sources, unlike point-sources. An LED chip is planar because it is very thin and rectangular and has a height that is substantially smaller than its width and length—similar to a thin sheet of paper where light only comes from one side while the other is blocked. Today's common LEDs emit light from a tiny, thin rectangular region placed on a much larger substrate and light is emitted from top surface only, confining light to a narrow region, unlike a point-source producing omni-directional light. Currently, LED lamps are produced by placing multiple chips on a plane, producing substantially directional light. An omni-directional lamp is better for general illumination than a narrow-directional one. | 07-28-2011 |
20110182054 | LIGHT SOURCE MODULE - The present invention provides a light source module. The light source module includes a circuit board, a metal base, a plurality of LEDs, a plurality of bonding wires and a reflective layer. The metal base is arranged on the circuit board and has a bottom wall and a peripheral wall upwardly extending from the bottom wall. The bottom wall and the peripheral wall cooperatively define a recess. The bottom wall has a through groove exposing the circuit board. The LEDs are arranged on the bottom wall. The bonding wires electrically connect the LEDs to the circuit board through the through groove. The reflective layer is arranged in the through groove and seals the through groove. Therefore, the light source module has better heat dissipation effect and the overall illumination intensity of the light source module is increased. | 07-28-2011 |
20110182055 | Photoluminescent Light Source - A photo luminescent light source is disclosed. In one embodiment, the apparatus comprises a light conducting medium. This light conducting medium includes particles of photoluminescent material, and a light source placed along an edge of it. The photoluminescent material absorbs light generated by the light source, and emanates light of the wavelength characterized by the photoluminescence properties of particles. The distribution of light emitting photoluminescent particles is varied throughout the medium to emanate a predetermined light pattern. In another embodiment, the light source emits light of multiple colors. In yet another embodiment, the light source emits polarized light. | 07-28-2011 |
20110182056 | Quantum Dot Wavelength Conversion for Optical Devices Using Nonpolar or Semipolar Gallium Containing Materials - Techniques are described for transmitting electromagnetic radiation from LED devices fabricated on bulk semipolar or nonpolar materials with use of phosphors to emit light in a reflection mode. | 07-28-2011 |
20110188228 | LIGHT EMITTING DIODE (LED) BASED LIGHTING SYSTEMS - A lighting system comprises at least one excitation source ( | 08-04-2011 |
20110194272 | LIGHT EMITTING SIGN AND DISPLAY SURFACE THEREFOR - A light source comprises a blue emitting LED operable to generate blue excitation light and a light emitting surface comprising a light transmissive substrate and a phosphor. The LED is configured to irradiate the light emitting surface with excitation light such that the phosphor emits light of a second wavelength and wherein light emitted by the source comprises a combination of blue light from the LED and the second wavelength light from the phosphor. The light emitting surface is interchangeable thereby enabling the source to generate different selected colors of light using the same LED. The phosphor can be provided as a layer on the substrate or incorporated within the light transmissive substrate. The light emitting surface can be configured as a waveguide or as a light transmissive window. | 08-11-2011 |
20110199753 | PHOSPHOR-CENTRIC CONTROL OF COLOR OF LIGHT - Lighting devices and/or systems offer dynamic control or tuning of color of light. The lighting systems utilize sources, such as solid state sources, to individually pump a number of different phosphors of types having relatively high degrees of color purity. The phosphor emissions, however, are still broader than the traditionally monochromatic color emissions of LEDs. The different phosphors can be independently excited to controllable levels, by individually controlled sources rated for emission of energy of the same spectrum. Adjustment of intensities of electromagnetic energy emitted by the sources independently adjusts levels of excitations of the phosphors selected to emit different colors of relatively high purity and thus the contributions of pure colors to the combined light output, for example, to enables color adjustment of the light output over a wide range of different selectable colors encompassing much of the gamut of visible light. | 08-18-2011 |
20110205726 | LIGHTING APPARATUS - Disclosed is a lighting apparatus. The lighting apparatus includes:
| 08-25-2011 |
20110205727 | LIGHT SOURCE DEVICE - Disclosed is a light source device. The light source device includes:
| 08-25-2011 |
20110211332 | REFLECTOR ELEMENT FOR AN ELECTRIC LAMP AND LAMP WITH SUCH A REFLECTOR ELEMENT - A reflector element for an electric lamp is provided, wherein the reflector element is constructed in such a way that it is designed for photocatalysis and/or for color conversion of the light. | 09-01-2011 |
20110211333 | Wavelength Conversion - A wavelength conversion device comprising a plurality of regions. Each region for absorbing radiant energy and emitting light having a characteristic dependent upon which region of the device emits the light. | 09-01-2011 |
20110211334 | LIGHT EMITTING DEVICE PACKAGE AND LIGHT UNIT HAVING THE SAME - Disclosed are a light emitting device package and a light unit having the same. The light emitting device package includes a ceramic substrate; a light emitting device on the ceramic substrate; a first light-transmissive resin layer on the ceramic substrate to cover the light emitting device; and a phosphor layer on the first light-transmissive resin layer. | 09-01-2011 |
20110216522 | Efficient LED-Based Illumination Module With High Color Rendering Index - An illumination module includes a light mixing cavity with an interior surface area and window that are physically separated from an LED. A portion of the window is coated with a first wavelength converting material and a portion of the interior surface area is coated with a second wavelength converting material. The window may be coated with LuAG:Ce. The window may also be coated with a third wavelength converting material with a peak emission wavelength between 615-655 nm where the spectral response of light emitted from the window is within 20% of a blackbody radiator at the same CCT. The LED may emit a light that is converted by the light mixing cavity with a color conversion efficiency ratio greater than 130 lm/W where the light mixing cavity includes two photo-luminescent materials with a peak emission wavelengths between 508-528 nm and 615-655 nm. | 09-08-2011 |
20110216523 | NON-UNIFORM DIFFUSER TO SCATTER LIGHT INTO UNIFORM EMISSION PATTERN - A lighting device comprising a light source and a diffuser spaced from the light source. The lighting device further comprises a wavelength conversion material disposed between the light source and the diffuser and spaced from the light source and the diffuser, wherein the diffuser is shaped such that there are different distances between the diffuser and said conversion material at different emission angles. In other embodiments the diffuser includes areas with different diffusing characteristics. Some lamps are arranged to meet A19 and Energy Star lighting standards. | 09-08-2011 |
20110222264 | LIGHT EMITTING DEVICE AND ILLUMINATION APPARATUS - According to one embodiment, a light emitting device which is attached to an illumination apparatus and radiates light having a correlated color temperature of 2900 to 3600K is provided. The light emitting device includes a substrate, blue light emitting LED elements and red light emitting LED elements mounted on the substrate, and a wavelength converting unit. The red light emitting LED elements have a luminous intensity of 0.2 to 2.5 times as large as that of the blue light emitting LED elements at normal use temperature in a state where the light emitting device is attached to the illumination apparatus. The wavelength converting unit is excited by light emitted from the blue light emitting LED elements and converts the light to light having a peak wavelength within a range of 500 to 600 nm. | 09-15-2011 |
20110222265 | LIGHTING DEVICE AND METHOD OF GENERATING OUTPUT ILLUMINATION - The invention relates to a lighting device ( | 09-15-2011 |
20110228514 | ENHANCED COLOR RENDERING INDEX EMITTER THROUGH PHOSPHOR SEPARATION - LED packages, and LED lamps and bulbs, are disclosed that are arranged to minimize the CRI and efficiency losses resulting from the overlap of conversion material emission and excitation spectrum. In different devices having conversion materials with this overlap, the present invention arranges the conversion materials to reduce the likelihood that re-emitted light from a first conversion materials will encounter the second conversion material to minimize the risk of re-absorption. In some embodiments this risk is minimized by different arrangements where there is separation between the two phosphors. In some embodiments this separation results less than | 09-22-2011 |
20110228515 | Light Sources Adapted to Spectral Sensitivity of Diurnal Avians and Humans - Various apparatus and associated methods involve a light source that provides light at wavelengths that substantially correlate to local maxima in the spectral sensitivity of a diurnal avian. In an illustrative example, the light source may output light primarily in wavelength bands that are not substantially absorbed by colored oil droplets and/or visual pigment in at least one type of cone in the eye of a diurnal avian. In some embodiments, the light source may include a light-emitting diode (LED) light source. Exemplary light sources may output spectral components to illuminate diurnal avians with local maxima of intensity at wavelengths that substantially correspond to local maxima in a spectral sensitivity visual response characteristic of the diurnal avians. | 09-22-2011 |
20110228516 | LIQUID DISPLACEMENT BEADS IN LED BULBS - An LED bulb includes at least one LED mount disposed within a shell. At least one LED is attached to the at least one LED mount. A thermally conductive liquid is held within the shell. The LED and LED mount are immersed in the thermally conductive liquid. A plurality of beads is suspended in the thermally conductive liquid. The plurality of beads is configured to displace a predetermined amount of the thermally conductive liquid to reduce the amount of thermally conductive liquid held within the shell. | 09-22-2011 |
20110228517 | LED LAMP - An LED lamp A | 09-22-2011 |
20110235306 | MULTI-LENS SOLID STATE LIGHTING DEVICES - Solid state lighting (SSL) devices including a plurality of SSL emitters and methods for manufacturing SSL devices are disclosed. Several embodiments of SSL devices in accordance with the technology include a support having a first lead and a second lead, a plurality of individual SSL emitters attached to the support, and a plurality of lenses. Each SSL emitter has a first contact electrically coupled to the first lead of the support and a second contact electrically coupled to the second lead of the support such that the SSL emitters are commonly connected. Each lens has a curved surface and is aligned with a single corresponding SSL emitter. | 09-29-2011 |
20110242791 | LIGHT SOURCE MODULE AND WAVELENGTH CONVERSION MODULE - A light source module and a wavelength conversion module are provided. The light source module includes a first light emitting device, a reflection unit, a wavelength conversion unit, a second light emitting device and a light combination unit. The first light emitting device emits an exciting beam. The reflection unit is disposed on a transmission path of the exciting beam. The wavelength conversion unit is disposed on the reflection unit and located on the transmission path of the exciting beam. The exciting beam is obliquely incident into the wavelength conversion unit along an optical axis of the first light emitting device, and the wavelength conversion unit converts the exciting beam into a first color beam. The second light emitting device emits a second color beam. The light combination unit is disposed on transmission paths of the first color beam and the second color beam. | 10-06-2011 |
20110255263 | SUB-ASSEMBLY FOR A LIGHT-EMITTING DEVICE PACKAGE AND A LIGHT EMITTING DIODE PACKAGE WITH FEATURES PREVENTING ENCAPSULANT DELAMINATION - A sub-assembly of a light-emitting device package and/or a light-emitting device package, the package comprising a cavity filled with an encapsulant, are disclosed with means preventing the encapsulant delamination. The means comprise an expansion volume within the light-emitting device package, together with means allowing the encapsulant to flow from the cavity into the expansion volume as the encapsulant expands, and to flow back into the cavity as the encapsulant contracts during heating and cooling of the light-emitting device package. | 10-20-2011 |
20110255264 | LIGHT EMITTING MODULE AND OPTICAL WAVELENGTH CONVERTING MEMBER - A light emitting module is provided with a light emitting element and an optical wavelength converting member. The optical wavelength converting member includes a light incident plane, a light output plane, and an outer plane which is a plane except for said light incident plane and said light output plane. The optical wavelength converting member converts a wavelength of light emitted on the light emitting element and entered from the light incident plane into the optical wavelength converting member and outputs the wavelength-converted light from the light output plane. An average roughness “Ra” of at least a portion of the outer plane is lower than an average roughness of the light output plane. | 10-20-2011 |
20110255265 | PHOSPHOR MATERIALS AND RELATED DEVICES - A phosphor material is presented that includes a blend of a first phosphor, a second phosphor and a third phosphor. The first phosphor includes a composition having a general formula of ((Sr | 10-20-2011 |
20110261554 | LED BACKLIGHTING FOR DISPLAYS - A display system including a display panel having a first major surface and a second major surface and a lighting system adapted to provide uniform luminance proximal to the display panel is disclosed. The lighting system includes an illuminating substrate having a first major surface with reflective coating and a second major surface. The illuminating substrate defines an array of mounting holes, each hole occupied by an LED module. An array of light emitting diode (LED) modules are affixed to the illuminating substrate, each module including at least one light emitting diode adapted to emit light. The lighting system can also include a diffusant layer which can be optically coupled to the illuminating substrate by soft optical gel and is placed close to or made to contact the display panel. The optical gel may contain phosphors or other optical substance for added optical performance to the lighting system. The diffusant layer has beveled edges at critical angle of refraction or coated with reflective material to minimize light loss at its edges. Each of the LED modules includes at least one LED chip, conductive traces connected to the LED chip and a heat sink. | 10-27-2011 |
20110267800 | LED LAMP WITH REMOTE PHOSPHOR AND DIFFUSER CONFIGURATION - An LED lamp or bulb is disclosed that comprises a light source, a heat sink structure and an optical cavity. The optical cavity comprises a phosphor carrier having a conversions material and arranged over an opening to the cavity. The phosphor carrier comprises a thermally conductive transparent material and is thermally coupled to the heat sink structure. An LED based light source is mounted in the optical cavity remote to the phosphor carrier with light from the light source passing through the phosphor carrier. A diffuser dome is included that is mounted over the optical cavity, with light from the optical cavity passing through the diffuser dome. The diffuser dome can disperse the light passing through it into the desired emission pattern, such as omnidirection. In one embodiment, the light source can be blue emitting LED and the phosphor carrier can include a yellow phosphor, with the LED lamp or bulb emitting a white light combination of LED and phosphor light. | 11-03-2011 |
20110267801 | LED LAMP OR BULB WITH REMOTE PHOSPHOR AND DIFFUSER CONFIGURATION WITH ENHANCED SCATTERING PROPERTIES - An LED lamp or bulb is disclosed that comprises a light source, a heat sink structure and an optical cavity. The optical cavity comprises a phosphor carrier having a conversions material and arranged over an opening to the cavity. The phosphor carrier comprises a thermally conductive transparent material and is thermally coupled to the heat sink structure. An LED based light source is mounted in the optical cavity remote to the phosphor carrier with light from the light source passing through the phosphor carrier. A diffuser dome is included that is mounted over the optical cavity, with light from the optical cavity passing through the diffuser dome. The properties of the diffuser, such as geometry, scattering properties of the scattering layer, surface roughness or smoothness, and spatial distribution of the scattering layer properties may be used to control various lamp properties such as color uniformity and light intensity distribution as a function of viewing angle. | 11-03-2011 |
20110273863 | LED light source - A LED light source includes: a LED member having a first light emitting surface and a second light emitting surface opposite of the first light emitting surface, a first fluorescent member provided on the first light emitting surface, and a second fluorescent member provided on the second light emitting surface. The LED light source is capable of greatly increasing the light emitting efficiency and reducing the cost and complexity of the heat dissipation construction. | 11-10-2011 |
20110273864 | GREEN-EMITTING PHOSPHOR PARTICLES, METHOD FOR MANUFACTURING GREEN-EMITTING PHOSPHOR PARTICLES, COLOR CONVERSION SHEET, LIGHT-EMITTING DEVICE, AND IMAGE DISPLAY DEVICE ASSEMBLY - A method for manufacturing green-emitting phosphor particles including the steps of producing a powder containing europium and strontium from a solution containing a europium compound and a strontium compound, mixing the resulting powder and a powdered gallium compound, and performing firing. | 11-10-2011 |
20110279998 | WHITE-LIGHT EMITTING DEVICES WITH STABILIZED DOMINANT WAVELENGTH - The disclosure provides a dominant wavelength stabilized white light emitting device and a method for stabilizing dominant wavelength of a white-light light emitting device. The light emitting device includes light-emitting diode chips, a phosphor resin layer disposed above the diode chip, and an optical filter disposed above the resin with a gap interposed between the phosphor resin layer and the optical filter. The phosphor resin layer contains a phosphor that is excited by light of the first wavelengths to emit light of second wavelengths. The optical filter reflects light of wavelength shorter than the peak wavelength and transmitting light of the second wavelengths with a modulated transmittance in a range of the first wavelengths. | 11-17-2011 |
20110279999 | LIGHT GUIDE MEMBER, LASER LIGHT GUIDE STRUCTURE BODY, LASER SHINING APPARATUS, AND LIGHT SOURCE APPARATUS - A light guide member | 11-17-2011 |
20110280000 | LIGHTING DEVICE - A lighting device may be provided that includes a housing, a coupling member coupled to the housing, a reflector coupled between the housing and the coupling member, and a light source unit coupled to the coupling member to emit light toward the reflector. A first portion of a first body of the light source unit may be coupled to the coupling member, and a second portion of the first body may include a light source module that includes a light to emit light toward the reflector. | 11-17-2011 |
20110286200 | Semiconductor lamp and light bulb type LED lamp - The disclosed is an LED lamp comprising: a light transmitting globe/envelope having a plurality of fluorescent protrusions, fibers and/or grooves containing a phosphor; a light unit having a circuit board and one or more light emitting diode (LED/LEDs) mounted on the circuit board for emitting a short wavelength primary light for directing to the fluorescent protrusions, fibers and/or grooves to convert the primary light into visible secondary light. A light bulb type LED lamp is composed of the above LED lamp, a lighting circuit to drive the LED/LEDs and a light bulb type power supply connector (Edison screw base), thereby the LED lamp being compatible with an incandescent light bulb. This LED lamp irradiates illumination light having a high brightness and luminance, a wide light distribution angle and non-glare fluorescent illumination. | 11-24-2011 |
20110286201 | WAVELENGTH CONVERTING SYSTEM - An embodiment of the invention discloses a wavelength converting system. The wavelength converting system comprises: a wavelength converter having a first area and a second area; a first light source disposed under the first area and inducing a first mixed light being visible above the first area; a second light source disposed under the second area and inducing a second mixed light being visible above the second area; and a carrier supporting the first light source and the second light source. The first light source and the second light source have a dominant wavelength difference of 1 nm˜20 nm, and the first mixed light and the second mixed light have a color temperature difference less than 100K. | 11-24-2011 |
20110292638 | LIGHTING APPARATUS - A lighting apparatus includes a body having a bottom surface and a side surface, a poly-pyramid shaped reflector being placed on the bottom surface of the body and including at least three reflective surfaces, and a light source being placed on the side surface of the body, including at least one light emitting device and being placed in an area corresponding to at least one of the reflective surfaces of the reflector. | 12-01-2011 |
20110299267 | Light capturing generator and distributor - A methodological approach of achieving a systematic exchange of light by employment and interplay of photo optic bodies via transmissive mediums. The present invention provides a synaptical junction or medium of exchange between optic bodies so that energy in the form of light, following behavioural patterns of waves and particles, may mutually be exchanged. Incidental rays are methodically counter reflected between neighbouring optic bodies with resultant dispersion and separation of various wavelengths. Several benefits accrue from this rendez-vous of optical bodies within the confines of a Light Distributor. Light can be more readily re-directed within 360 degrees and concentrated toward specific target areas. The unit has retro-reflective properties and generates a secondary visible light which may be reflected to all cardinal points. | 12-08-2011 |
20110299268 | LIGHT-EMITTING DEVICE - The light-emitting device includes: a substrate which has a single layer structure in which a conductive member is partially provided on a surface of the substrate; a plurality of light-emitting elements which are directly provided on the surface of the substrate so as to be electrically connected with the conductive member; a first light reflection resin layer; a second light reflection resin layer which is provided in a looped shape on the surface of the substrate so as to surround an area in which the plurality of light-emitting elements are provided; and a sealing resin which covers the plurality of light-emitting elements. In the area in which the plurality of light-emitting elements are provided, the conductive member is covered with the first light reflection resin layer, the conductive member, which is provided under the second light reflection resin layer, is covered with the second light reflection resin layer directly, and a printed resistor, which is provided under the second light reflection resin layer, is covered with the second light reflection resin layer via the first light reflection resin layer. This makes it possible to provide the light-emitting device which (i) reduces absorption of light so as to achieve excellent light extraction efficiency, and (ii) is highly reliable. | 12-08-2011 |
20110305000 | DISPLAY SCREEN WITH LOW-INDEX REGION SURROUNDING PHOSPORS - A display screen having phosphor regions maximizes light leaving the phosphor regions using a gaseous, liquid or solid matter that is disposed between the light-producing phosphor regions and a divider member configured to separate the light-producing phosphor regions. The gaseous, liquid or solid matter may be air, a polymer, a gel, or other material that optically separates and has an index of refraction substantially less than the indices of refraction of the divider member and the light-producing phosphor regions. | 12-15-2011 |
20110305001 | LED Lighting Systems Including Luminescent Layers On Remote Reflectors - A lighting system may include a substrate and a light emitting device (LED) on the substrate, and the light emitting device may be configured to transmit light having a first wavelength along a path away from the substrate. A remote reflector may be spaced apart from the light emitting device, and the light emitting device may be between the substrate and the remote reflector. The remote reflector may also be in the path of the light having the first wavelength transmitted by light emitting device. A luminescent layer may be on a surface of the remote reflector, and the luminescent layer may be configured to convert a portion of the light having the first wavelength to light having a second wavelength different than the first wavelength. Moreover, the remote reflector may be configured to reflect light having the first and second wavelengths. | 12-15-2011 |
20110305002 | ILLUMINATION ASSEMBLY INCLUDING WAVELENGTH CONVERTING MATERIAL HAVING SPATIALLY VARYING DENSITY - Illumination assemblies, components, and related methods are described. An illumination assembly can include at least one solid state light-emitting device, an emission surface through which light is emitted, and a wavelength converting material that wavelength converts at least some light emitted by the solid state light-emitting device. The wavelength converting material can have a first density per unit area of the emission surface at a first location and a second density per unit area of the emission surface at a second location, wherein the second density is substantially different from the first density, and wherein the density per unit area is defined with a | 12-15-2011 |
20110310587 | ULTRA-HIGH EFFICACY SEMICONDUCTOR LIGHT EMITTING DEVICES - A semiconductor light emitting apparatus includes an elongated hollow wavelength conversion tube that co mprises an elongated wavelength conversion tube wall having wavelength conversion material such as phosphor dispersed therein uniformly or non-uniformly. The tube need not be cylindrical. A semiconductor light emitting device is oriented to emit light inside the elongated hollow wavelength conversion tube to impinge upon the elongated wavelength conversion tube wall and the wavelength conversion material dispersed therein. | 12-22-2011 |
20110317396 | PHOSPHOR WHEEL CONFIGURATION FOR HIGH INTENSITY POINT SOURCE - A phosphor point source element comprises a substrate and light emitting phosphor particles arranged on the substrate to provide a circular operational track having a tightly packed particle arrangement adjacent to a flat operational surface of an operational track region. The operational track region is rotated while illuminated at a point to provide a high intensity point source. The tightly packed particle arrangement may be achieved by spinning the phosphor particles in a cavity to compress the phosphor on the substrate at the periphery of the cavity, or by other mechanical compression. The tightly packed phosphor arrangement may either be compressed against a forming element that bounds the cavity, or machined, to provide a flat operational surface. An adhesive binding agent that permeates the phosphor particles may be cured to fix the tightly packed arrangement. A window element may support and/or protect the operational surface, in some embodiments. | 12-29-2011 |
20110317397 | Quantum dot wavelength conversion for hermetically sealed optical devices - An LED based lighting source is disclosed in which color correcting quantum dots convert emitted blue light to white light. | 12-29-2011 |
20110317398 | LUMINOUS DEVICE AND METHOD FOR OPERATING A LUMINOUS DEVICE - Various embodiments provide a luminous device, including at least one semiconductor light source and at least one light-transmissive converter element including a wavelength-converting phosphor sensitive to the light emitted by the semiconductor light source, wherein the semiconductor light source can be at least partly covered by the converter element, and the converter element is movable such that a proportion of a light wavelength-converted by means of the converter element is adjustable depending on a position of the converter element. | 12-29-2011 |
20120002396 | LED-BASED ILLUMINATION MODULES WITH PTFE COLOR CONVERTING SURFACES - An illumination module includes a plurality of Light Emitting Diodes (LEDs) and a light conversion sub-assembly mounted near but physically separated from the LEDs. The light conversion sub-assembly includes at least a portion that is a polytetrafluoroethylene (PTFE) material that also includes a wavelength converting material. Despite being less reflective than other materials that may be used in the light conversion sub-assembly, the PTFE material unexpectedly produces an increase in luminous output, compared to other more reflective materials, when the PTFE material includes a wavelength converting material. | 01-05-2012 |
20120008304 | LIGHT EMITTING APPARATUS - A light emitting apparatus including a circuit board ( | 01-12-2012 |
20120008305 | SOLID STATE LIGHTING SYSTEM WITH OPTIC PROVIDING OCCLUDED REMOTE PHOSPHOR - The present teachings relate to semiconductor-based lighting systems and fixtures which process electromagnetic energy from light emitting diodes or the like. A disclosed exemplary system includes at least one occluded remote phosphor and produces substantially white light of desired characteristics. The remote phosphor extends over at least a portion of a surface of a macro optic at an occluded location such that none of the remote phosphor is directly visible through an optical aperture. The phosphor is responsive to electromagnetic energy from a semiconductor device to emit visible light for the emission through the optical aperture. | 01-12-2012 |
20120008306 | LIGHT EMITTING MODULE AND LAMP UNIT - In a light emitting module | 01-12-2012 |
20120014086 | Emitting Light Using Multiple Phosphors - A method and apparatus for generating different spectral compositions of light is disclosed. The method comprises generating light at a wavelength, using an LED in some embodiments, and optically coupling the generated light to a first phosphor in a first operating mode and optically coupling the generated light to a second phosphor in a second operating mode. Several different embodiments of optically coupling the phosphors to the light source are disclosed. The first phosphor emits light with a first spectral characteristic when irradiated by the light at the wavelength and the second phosphor emits light with a second spectral characteristic when irradiated by the light at the wavelength. | 01-19-2012 |
20120014087 | SIMPLE DETACHABLE ILLUMINATION STRUCTURE AND LAMP TUBE - A simple detachable illumination lamp tube includes a tube unit, a heat-dissipating unit, a light-emitting unit, a support unit and a lateral cover unit. The tube unit has a light-permitting hollow tube. The heat-dissipating unit has a heat-dissipating substrate received in the light-permitting hollow tube. The heat-dissipating substrate has two opposite lateral sides contacting the inner surface of the light-permitting hollow tube. The light-emitting unit has a plurality of strip light-emitting modules received in the light-permitting hollow tube. The strip light-emitting modules are disposed on the heat-dissipating substrate and electrically connected in sequence. The support unit has a plurality of support elements received in the light-permitting hollow tube and disposed between a bottom side of the heat-dissipating substrate and the inner surface of the light-permitting hollow tube. The lateral cover unit has two lateral covers installed on two ends of the light-permitting hollow tube. | 01-19-2012 |
20120014088 | COMPONENT FOR LIGHT-EMITTING DEVICE, LIGHT-EMITTING DEVICE AND PRODUCING METHOD THEREOF - A component for a light-emitting device includes a fluorescent layer capable of emitting fluorescent light, and a lens connected onto the fluorescent layer. | 01-19-2012 |
20120014089 | LIGHTING FIXTURE USING SEMICONDUCTOR COUPLED WITH A REFLECTOR HAVING A REFLECTIVE SURFACE WITH A PHOSPHOR MATERIAL - To improve semiconductor-based systems for generating white light, a phosphor is integrated with an external structure, such as a reflector. A disclosed exemplary system, for illumination applications, utilizes one or more semiconductor devices for emitting radiant energy of a first wavelength. A reflector outside the package of the LED or other semiconductor device has a reflective surface arranged to receive radiant energy from the energy source. At least some of the received radiant energy of the first wavelength excites one or more phosphors associated with an external light processing element, for example, located along the surface of the reflector, to emit light, including visible light energy of at least one second wavelength different from the first wavelength. In the examples, at least some of visible light emitted by the phosphor is reflected by the reflective surface of the reflector and directed to facilitate the particular humanly perceptible luminance or illumination application. | 01-19-2012 |
20120020051 | ILLUMINATION SYSTEM WITH REMOTE PHOSPHOR LAYER AND/OR SCATTERING LAYER - The invention relates to an illumination system ( | 01-26-2012 |
20120026719 | PHOTOLUMINESCENT MATERIAL CONTAINING SILVER ION - The present invention provides a silver ion-containing faujasite type zeolite which is a photoluminescent material that emits a visible light by irradiation of ultraviolet ray. | 02-02-2012 |
20120026720 | OPTICAL SHEET AND LIGHT EMITTING DEVICE PACKAGE HAVING THE SAME - A light emitting device package is disclosed. The light emitting device package includes a body having a cavity, a light source mounted in the cavity, and at least one optical sheet located on the body to cover the cavity. The optical sheet includes a first layer and a second layer formed on the first layer, wherein the second layer includes a plurality of linear prism parts. At least one of the first layer and the second layer contains a light diffusive member. The light emitting device package has enhanced light emission efficiency and light distribution uniformity. | 02-02-2012 |
20120026721 | LAMP FOR LASER APPLICATIONS - The invention relates to a lamp and a method, preferably adapted for generating high power in laser applications. The lamp ( | 02-02-2012 |
20120033402 | SEMICONDUCTOR LIGHT EMITTING DEVICE - A light emitting device can make it hard for fluorescence emitted from each phosphor in a color conversion plate to be absorbed by other phosphor. The color conversion plate can include multiple types of phosphors, and the light from a light emitting element can be allowed to reach each of the phosphors efficiently. The color conversion plate can contain at least first and second phosphors which absorb light emitted from the light emitting element and outputs fluorescence. The color conversion plate can have multiple first regions containing the first phosphor on a light emitting element side, being arranged with a predetermined spacing therebetween, and second regions containing the second phosphor on the upper surface, being arranged with a predetermined spacing therebetween. A region where the first regions and the second regions are excluded, as viewed from a location on top of the conversion plate, contains no phosphor. | 02-09-2012 |
20120033403 | STIMULATED LIGHTING DEVICES - A stimulated lighting device for stimulatable light emission including a luminescent sheet including light stimulatable particles which emit secondary light upon receiving primary light. The lighting device includes a source configured to generate and direct the primary light obliquely onto the luminescent sheet, at least one reflector configured to reflect at least a part of the primary light and a part of the secondary light onto the luminescent sheet and configured to reflect at least a part of scattered primary light and a part of the secondary light from the luminescent sheet toward the light exit, and a light exit configured to emanate light as a combination of the primary light and the secondary light. | 02-09-2012 |
20120033404 | ILLUMINATION DEVICE - An illumination device includes a base, a light-emitting module, a first layer, and a second layer. The light-emitting module is disposed on the base for generating a progressive-type light-emitting intensity. The first layer encapsulates the light-emitting module. The second layer encloses the first layer. The second layer has a progressive-type thickness corresponding to the progressive-type light-emitting intensity, and both the progressive-type light-emitting intensity and the progressive-type thickness are decreased or increased gradually, thus the progressive-type light-emitting intensity can be transformed into the same light-emitting intensity through the progressive-type thickness of the second layer. | 02-09-2012 |
20120039064 | LIGHT-EMITTING DEVICE - A light-emitting device includes a circuit board to which external electric power is supplied; a light emitting diode that is electrically connected onto the circuit board and emits light based on electric power from the circuit board; a housing provided on the circuit board so as to surround the light emitting diode and so that the upper end portion of the housing is positioned above the upper end portion of the light emitting diode; an adhesive layer that is provided on the housing, the adhesive layer being provided entirely in the circumferential direction of the housing, and the adhesive layer having a length from the inner circumferential edge to the outer circumferential edge of mainly 0.3 mm or more and a thickness of 200 μm or less; and a phosphor ceramic that is allowed to adhere onto the housing with the adhesive layer interposed therebetween. | 02-16-2012 |
20120039065 | PHOSPHOR PLATE AND ILLUMINATION SYSTEM WITH THE SAME - A phosphor plate includes a glass layer, a wide-angle reflection dichroic filter and a phosphor layer. The wide-angle reflection dichroic filter is disposed on an exit surface of the glass layer. A first blue light and a second blue light of the incident ray are transmissible through the wide-angle reflection dichroic filter. The phosphor layer is disposed beside the wide-angle reflection dichroic filter. By the phosphor layer, the first blue light is excited as a first green light to be outputted and the second blue light is reflected to the wide-angle reflection dichroic filter. The second blue light and a portion of the first green light outputted from the phosphor layer are reflected by the wide-angle reflection dichroic filter, so that the portion of the first green light is transmitted through the phosphor layer and the second blue light is excited as a second green light by the phosphor layer. | 02-16-2012 |
20120039066 | RADIATION REFLECTION PLATE FOR LED - A radiation reflection plate for use in LEDs is a reflection plate including an aluminum alloy layer with a depth of at least 10 μm and an anodized film formed at a surface thereof. Pore portions of the anodized film have at least two layers of different refractive indices in a depth direction, and light reflection is enhanced in the anodized film. The radiation reflection plate has high heat dissipation properties and is capable of increasing the reflectance of light at desired specific wavelengths. | 02-16-2012 |
20120039067 | LIGHTING DEVICE - Disclosed is a lighting device that comprises a first body having a first sloping surface toward a reflector; a second body having a second sloping surface toward the reflector; a middle body having an insertion groove formed respectively on both sides of the lower part of the middle body, and allowing the first body and the second body to be coupled to both sides of the middle body by inserting a first hinge and a second hinge into the insertion groove, respectively; and a main light emitting device module disposed on a first sloping surface and a second sloping surface respectively, wherein the first sloping surface and the second sloping surface face outward with respect to the middle body. | 02-16-2012 |
20120057326 | Backlight Module and Optical Component Thereof - The present invention provides a backlight module and an optical component thereof. The optical component comprises a substrate, a fluorescent layer, and a microstructure. The substrate has a first surface and a second surface. The fluorescent layer is applied on the first surface of the substrate, and the microstructure is formed on the second surface of the substrate. The fluorescent layer and the microstructure are set on two side of the substrate, respectively, so that at least one incident beam is optically refracted or scattered by the microstructure to uniformly penetrate through the microstructure and the substrate. Thus, a blue backlight which penetrate through the fluorescent layer and a yellow backlight which is excited from the fluorescent layer are mixed for ensuring the backlight module to provide a white backlight with uniform brightness and high brilliance. | 03-08-2012 |
20120057327 | SOLID STATE LAMP AND BULB - Solid state lamps and bulbs comprising different combinations and arrangements of a light source, one or more wavelength conversion materials, regions or layers which are positioned separately or remotely with respect to the light source, and a separate diffuser. These are arranged on a heat sink in a manner that allows for the fabrication of lamps and bulbs that are efficient, reliable and cost effective and can provide an essentially omni-directional emission pattern, even with a light source comprised of a co-planar arrangement of LEDs. Additionally, this arrangement allows aesthetic masking or concealment of the appearance of the conversion regions or layers when the lamp is not illuminated. Various embodiments of the invention may be used to address many of the difficulties associated with utilizing efficient solid state light sources such as LEDs in the fabrication of lamps or bulbs suitable for direct replacement of traditional incandescent bulbs. Embodiments of the invention can be arranged to fit recognized standard size profiles such as those ascribed to commonly used lamps such as incandescent light bulbs, while still providing emission patterns that comply with ENERGY STAR® standards. | 03-08-2012 |
20120063117 | LIGHT SOURCE APPARATUS - Provided is a light source apparatus having a phosphor layer | 03-15-2012 |
20120063118 | BARREL GRINDING OF LUMIRAMIC PLATELETS - The invention relates to a method for post-processing luminescent ceramic bodies ( | 03-15-2012 |
20120069543 | LED ILLUMINATOR MODULE WITH HIGH HEAT-DISSIPATING EFFICIENCY AND MANUFACTURING METHOD THEREFOR - An LED illuminator module with high heat-dissipating efficiency and manufacturing method therefor is provided. The LED illuminator module includes a flat heat pipe (FHP) formed with a flat surface, an insulated layer formed on the plane of the flat heat pipe, a conducting layer having a pair of conducting electrode portions, a plurality of LEDs, and an encapsulation covers the LEDs. The insulation layer has a pair of insulated electrode portions and a plurality of LED-setting portions. The conducting electrode portions partially covered on the insulated electrode portions. The LEDs are disposed on the LED-setting portions and electrically connect to the pair of conducting electrode portions respectively. The encapsulation contains phosphor powder therein. The present invention solves the heat-dissipating problem of high-efficiency light module with the LEDs, and shorten heat-conductive path to enhance heat-dissipating efficiency. | 03-22-2012 |
20120069544 | LIGHT-EMITTING DEVICE WITH A LUMINESCENT MEDIUM, CORRESPONDING LIGHTING SYSTEM COMPRISING THE LIGHT-EMITTING DEVICE AND CORRESPONDING LUMINESCENT MEDIUM - The invention relates to a light emitting device ( | 03-22-2012 |
20120069545 | LIGHTING DEVICE - A lighting device may be provided that includes a heat sink which includes one surface and a receiving recess; a light emitting module which is disposed on the one surface of the heat sink and includes a substrate and a plurality of light sources disposed on the substrate, wherein the substrate includes a hole and a plurality of via-holes; a power controller which includes an electrode pin electrically connected to the light emitting module through the via hole; and aninsulating inner case which receives the power controller therein and is disposed in the receiving recess of the heat sink, wherein the light sources include an lighting emitting diode. | 03-22-2012 |
20120069546 | LIGHT SCATTERING AND CONVERSION PLATE FOR LEDS - The invention relates to an illumination system having a light scattering and conversion plate comprising a non-converting but scattering layer and a thinner converting layer. By separating scattering and conversion, the characteristics of the illumination system can greatly be increased. | 03-22-2012 |
20120069547 | ILLUMINATION DEVICE WITH AN ENVELOPE ENCLOSING A LIGHT SOURCE - The invention provides an illumination device comprising an envelope enclosing a light source, preferably a LED, and a luminescent material. The envelope comprises a transmissive part, and a reflective part, wherein the reflective part comprises a reflective ceramic material. The ceramic material can be used for heat dissipation. | 03-22-2012 |
20120075833 | LED LAMP - A thermal isolation arrangement for an LED lamp is disclosed. Embodiments of the invention provide thermal isolation between the power supply and the LED assembly of an LED lamp, in most cases allowing the power supply to operate in a lower temperature range than would otherwise be possible. At least one contact feature is provided between the power supply and the LED assembly to maintain a thermal transfer gap between the power supply and the LED assembly. A contact feature can be, for example, a triangular ridge or a conical protrusion. In some embodiments, a thermal isolation device provides the contact feature or contact features. An LED lamp according to example embodiments of the invention can have a modular design and/or can include an Edison base and/or an optical element or optical elements disposed to emit light from the LED lamp. | 03-29-2012 |
20120075834 | Ceramic Wavelength Converter and LED Light Source Containing Same - There is herein described an LED light source comprising an LED and a ceramic wavelength converter positioned to receive at least a portion of the light emitted by said LED, said ceramic wavelength converter converting at least a portion of the light emitted by said LED into light of a different wavelength, said ceramic wavelength converter comprising a chlorosilicate phosphor and having a density at least about 90% of theoretical density. The chlorosilicate phosphor is preferably a green-emitting Ca | 03-29-2012 |
20120075835 | BACKLIGHT ASSEMBLY HAVING LIGHT EMITTING DIODE PACKAGE AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a first light emitting unit having a first light emitting diode, a second light emitting unit having a second light emitting diode, a third heat conduction member, and a receiving container accommodating the first light emitting unit and the second light emitting unit. The first light emitting unit includes a first heat conduction member connected to the first light emitting diode to absorb a heat from the first light emitting diode, and the second light emitting unit includes a second heat conduction member connected to the second light emitting diode to absorb a heat from the second light emitting diode. A third heat conduction member is connected to the first and second heat conduction members to discharge the heats from the first and second light emitting diodes. | 03-29-2012 |
20120075836 | LIGHT-EMITTING DEVICE AND LIGHTING APPARATUS - A light-emitting device includes a substrate, and a plurality of light-emitting elements mounted on the substrate. The light-emitting elements are placed to meet conditions that the number B of light-emitting elements per unit area (cm | 03-29-2012 |
20120075837 | OPTICAL MEMBER, DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF FABRICATING THE SAME - Provided are an optical member, a display device including the same, and a method of fabricating the same. The optical member includes: a matrix; a plurality of wavelength conversion particles in the matrix; and a protective layer surrounding the matrix. | 03-29-2012 |
20120081880 | SOLID STATE LIGHT SOURCE LIGHT BULB - A light emitting apparatus includes a lamp base, a light-transmissive bulb envelope, a light source for emitting light, and a heat sink coupled to the light source. A solid state LED light bulb may further include a down conversion material. The down conversion material is disposed within the bulb envelope, remote from the light source and between the light source and the lamp base. The heat sink may include at least one metal fin and, additionally or alternatively, include a mesh disposed over at least an outer portion of the bulb envelope. A solid state light bulb may include a light guide for directing the light emitted by the light source. The solid state light bulb configurations place the light source and heat sink at the apex of the light bulb envelope, distant from the lamp base, in order to dissipate heat produced by the light source into the environment. In addition, at least part of the heat sink is outside the light bulb envelope to maximize the heat dissipation. | 04-05-2012 |
20120087103 | WAVELENGTH CONVERSION COMPONENT WITH A DIFFUSING LAYER - A light emitting device comprises at least one solid-state light source (LED) operable to generate excitation light and a wavelength conversion component located remotely to the at least one source and operable to convert at least a portion of the excitation light to light of a different wavelength. The wavelength conversion component includes a light transmissive substrate having a wavelength conversion layer comprising particles of at least one photoluminescence material and a light diffusing layer comprising particles of a light diffractive material. This approach of using the light diffusing layer in combination with the wavelength conversion layer solves the problem of variations or non-uniformities in the color of emitted light with emission angle. | 04-12-2012 |
20120087104 | WAVELENGTH CONVERSION COMPONENT WITH SCATTERING PARTICLES - A light emitting device comprises at least one solid-state light source (LED) operable to generate excitation light and a wavelength conversion component located remotely to the at least one source and operable to convert at least a portion of the excitation light to light of a different wavelength. The wavelength conversion component comprises a light transmissive substrate having a wavelength conversion layer comprising particles of at least one photoluminescence material and a light diffusing layer comprising particles of a light diffractive material. This approach of using the light diffusing layer in combination with the wavelength conversion layer solves the problem of variations or non-uniformities in the color of emitted light with emission angle. In addition, the color appearance of the lighting apparatus in its OFF state can be improved by implementing the light diffusing layer in combination with the wavelength conversion layer. Moreover, significant reductions can be achieved in the amount phosphor materials required to implement phosphor-based LED devices. | 04-12-2012 |
20120087105 | WAVELENGTH CONVERSION COMPONENT - A light emitting device comprises at least one solid-state light source (LED) operable to generate excitation light and a wavelength conversion component located remotely to the at least one source and operable to convert at least a portion of the excitation light to light of a different wavelength. The wavelength conversion component comprises a light transmissive substrate having a wavelength conversion layer comprising particles of at least one photoluminescence material and a light diffusing layer comprising particles of a light diffractive material. This approach of using the light diffusing layer in combination with the wavelength conversion layer solves the problem of variations or non-uniformities in the color of emitted light with emission angle. In addition, the color appearance of the lighting apparatus in its OFF state can be improved by implementing the light diffusing layer in combination with the wavelength conversion layer. Moreover, significant reductions can be achieved in the amount phosphor materials required to implement phosphor-based LED devices. | 04-12-2012 |
20120087106 | EFFICIENT LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SUCH A DEVICE - The invention relates to a light emitting device ( | 04-12-2012 |
20120087107 | DISPLAY PANEL AND DISPLAY DEVICE - A red color filter ( | 04-12-2012 |
20120092850 | OPTICAL ELEMENT EDGE TREATMENT FOR LIGHTING DEVICE - A lighting device includes an electrically activated emitter, a lumiphoric material spatially segregated from the emitter, and an optical element arranged between the emitter and the lumiphoric material and having at least one peripheral edge, wherein a reflective material is disposed proximate to the at least one peripheral edge and/or wherein the at least one peripheral edge is non-perpendicular to a face of the optical element and arranged to reflect light in a direction toward the lumiphoric material. An optical element for use with a lighting device including a lumiphoric material includes a peripheral edge, wherein a reflective material disposed substantially parallel to the peripheral edge and/or wherein the peripheral edge is non-perpendicular to a face of the optical element and arranged to reflect light in a direction toward the lumiphoric material. | 04-19-2012 |
20120092851 | LED arrangement with an improved light yield and process for operating LED arrangement with an improved light yield - An LED arrangement ( | 04-19-2012 |
20120092852 | LLB BULB HAVING LIGHT EXTRACTING ROUGH SURFACE PATTERN (LERSP) AND METHOD OF FABRICATION - A LLB bulb includes a base, a LED light source configured to emit electromagnetic radiation, and a lens/cover having a light extracting rough surface pattern (LERSP) configured to reduce glare and reflection in the LLB bulb without light loss. A method for fabricating the LLB bulb includes the steps of providing the lens/cover, and forming the light extracting rough surface pattern (LERSP) on the lens/cover. The lens/cover can be fabricated with the light extracting rough surface pattern (LERSP) using a process such as bead blasting, sand blasting, etching (chemical or plasma), or molding. | 04-19-2012 |
20120092853 | LIGHT EMITTING MODULE - In a light emitting module, a semiconductor light emitting element emits short-wavelength visible light. A plurality of the semiconductor light emitting elements are provided side by side on the same flat surface. The light wavelength conversion member contains a first phosphor and a second phosphor, the wavelength of the light emitted after the wavelength thereof has been converted by either of the two being different from the excitation wavelength for the other. The first phosphor emits yellow light by exciting the short-wavelength visible light. The second phosphor emits blue light by exciting the short-wavelength visible light. The first phosphor does not include the wavelength range of the blue light in the excitation wavelength range thereof. The light wavelength conversion member is cured after being potted so as to integrally cover the plurality of the semiconductor light emitting elements. | 04-19-2012 |
20120099289 | LIGHT-EMITTING APPARATUS AND METHOD OF USE THEREOF - A light-emitting apparatus and a method of use thereof are disclosed. The light-emitting apparatus includes a light-emitting module for emitting an original light, a color filter including a first and a second area, and first and second fluorescent powders. The color filter is positioned outside the light-emitting module to allow the original light to penetrate it. The color filter can move relative to the light-emitting apparatus, such that the original light can selectively penetrate the first or second area. The first and second fluorescent powders are respectively positioned in the first and second areas. When the first area moves to the outside of the light-emitting apparatus, the original light penetrates the first fluorescent powder and is transformed into a first emitted light, and the same occurs for the second area and the second fluorescent powder. | 04-26-2012 |
20120099290 | EFFICIENT LED-BASED ILLUMINATION MODULES WITH HIGH COLOR RENDERING INDEX - An illumination module includes a light mixing cavity with an interior surface area and window that are physically separated from an LED. A portion of the window is coated with a first wavelength converting material and a portion of the interior surface area is coated with a second wavelength converting material. The window may be coated with LuAG:Ce. The window may also be coated with a third wavelength converting material with a peak emission wavelength between 615-655 nm where the spectral response of light emitted from the window is within 20% of a blackbody radiator at the same CCT. The LED may emit a light that is converted by the light mixing cavity with a color conversion efficiency ratio greater than 130 lm/W where the light mixing cavity includes two photo-luminescent materials with a peak emission wavelengths between 508-528 nm and 615-655 nm. | 04-26-2012 |
20120099291 | OXYNITRIDE FLUORESCENT MATERIAL AND LIGHT-EMITTING DEVICE - An oxynitride fluorescent material includes a JEM phase as a mother crystal and a luminescence center element Ce. The oxynitride fluorescent material has a fluorescence spectrum with a maximum emission wavelength of 420 nm to 500 nm inclusive and an excitation spectrum with a maximum excitation wavelength of 250 nm to 400 nm inclusive. | 04-26-2012 |
20120106125 | LIGHTING DEVICE TOPOLOGY FOR REDUCING UNEVENNESS IN LED LUMINANCE AND COLOR - A lighting device is provided in accordance with the present invention having reduced luminance and color unevenness. A plurality of solid-state light emitting elements are mounted on a base substrate. An optical member is further mounted on the substrate and arranged so as to cover light emitting surfaces of the light emitting elements, the optical member having a semicircular or semielliptical cross-sectional surface, and gutter-shaped in a longitudinal direction with respect to the substrate. A wavelength converting member covers the semicircular or semielliptical cross-sectional surface of the optical member, and is excitable by light from the solid-state light emitting elements to thereby emit wavelength-converted light. In various embodiments light diffusion members may be further distributed among the light emitting elements. | 05-03-2012 |
20120106126 | WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR - The phosphor wheel (wavelength conversion element) includes: a substrate; a light-emitting element having at least a phosphor layer provided on one surface of the substrate; and a first reflective portion provided in at least a first side face of the phosphor layer to change a propagation direction of the light propagating inside the phosphor layer such that an angle with respect to a normal line of the emission face where the fluorescent light is emitted from the light-emitting element is reduced. | 05-03-2012 |
20120106127 | LIGHT EMITTING DEVICE - A light emitting device includes a light source capable of emitting emission light, a first phosphor layer and an optical waveguide. A first phosphor layer has at least a first surface and a second surface on an opposite side of the first surface, extends in a light guiding direction, and is capable of absorbing the emission light and emitting first wavelength converted light having a longer wavelength than the emission light. The optical waveguide has a reflector. And the optical waveguide has an input surface of the emission light, a reflection surface being in contact with the first surface of the first phosphor layer and provided on a surface of the reflector, and an output surface spaced from the first phosphor layer. The reflection surface and the output surface extend in the light guiding direction. | 05-03-2012 |
20120113617 | Luminescent Ceramic Converter and LED Containing Same - There is herein described a luminescent ceramic converter that comprises a flat, monolithic piece of a ceramic material containing a luminescent species wherein a concentration of the luminescent species in a peripheral region of the converter is lower than in a central region of the converter. | 05-10-2012 |
20120113618 | OPTICAL MEMBER AND DISPLAY DEVICE - Disclosed are an optical member and a display device. The display device includes a light source, a plurality of wavelength conversion particles to convert a wavelength of a light emitted from the light source, a receptacle receiving the wavelength conversion particles and having a protrusion on an inner surface thereof, a sealing part inserted into the receptacle to seal an inner part of the receptacle, and a display panel to display an image by receiving a light converted by the wavelength conversion particles. | 05-10-2012 |
20120127692 | LAMP HOLDER HAS BUILT-IN NIGHT LIGHT - The lamp holder has build-in night light where the said lamp holder including (1) the lamp holder for light device manufacture use for production line or (2) the lamp holder which are purchased by people to add top of the existing lamp holder. Simple words (1) is for Original Equipment Manufacture (OEM) and (2) is for all consumer purchase from stores to add on their existing owned lighting device's lamp holder. The light source for said nigh light has features for wide and variety color choice, brightness choice, humility resistance, none-noisy, none-high frequency, none-foldable, none-flexible and incorporate with circuit means, IC means, control means, switch means, sensor means, trigger means, remote control means to turn on and turn on under pre-determined timing, time delay, period of time for desired function(s). | 05-24-2012 |
20120127693 | LIGHT-PERMEATING COVER BOARD, METHOD OF FABRICATING THE SAME, AND PACKAGE HAVING THE SAME - A light-permeating cover board structure includes a first light-permeating board having a light-permeating substrate and a frame formed on the light-permeating substrate, wherein a first recess portion is defined by the frame and the light-permeating substrate; a first fluorescent material filled in the first recess portion; and a second light-permeating board disposed on the first light-permeating board and covering the first fluorescent material in the first recess portion. Therefore, the first light-permeating board and the second light-permeating board prevent the first fluorescent material from contacting moisture. | 05-24-2012 |
20120127694 | OPTICAL SYSTEM FOR A LIGHT EMITTING DIODE WITH COLLECTION, CONDUCTION, PHOSPHOR DIRECTING, AND OUTPUT MEANS - An optical system with an LED light source utilizes a base with an inverted conical shape to conduct light to a phosphor layer. The phosphor layer emits light from both upper and lower surfaces. The base and a substantially mirror image cap element facilitate efficient extraction of the phosphor-generated light from the optical system so that the output of the system is omni-directional light suitable for common lighting applications. The system is very efficient in that nearly all the light generated by the LED is transmitted to the phosphor layer, and nearly all the light emitted from the phosphor layer is output from the system. | 05-24-2012 |
20120134132 | PHOSPHOR PLATE AND LIGHTING DEVICE - A phosphor plate may be provided that includes a base plate transmitting light; and a lens being disposed on at least one of both surfaces of the base plate and including a fluorescent material. | 05-31-2012 |
20120134133 | LED ILLUMINATION APPARATUS - An LED illumination apparatus realizes wide light distribution by increasing the angular range of radiation, and achieves uniform intensity of light through the arrangement of the position of a plurality of light sources. The LED illumination apparatus includes a substrate, a first light source disposed on a peripheral area of the substrate, a second light source disposed on an inner area of the substrate, and a reflector disposed between the first light source and the second light source, wherein the reflector is configured to reflect light that is generated by the first light source. | 05-31-2012 |
20120134134 | ARRANGEMENT FOR EMITTING MIXED LIGHT - An arrangement for emitting mixed light including a primary and secondary radiation with at least one first electroluminescent light-source for emitting first primary radiation, at least one second electroluminescent light-source for emitting second primary radiation, and a light-converting element for absorbing at least one of the primary radiations and re-emitting the secondary radiation. The light-converting element is arranged so that the entire proportion of primary radiation in the mixed light passes through the light-converting element. The light-converting element is a ceramic light-converting material whose microstructure is selected to be such that the color point of the mixed light of primary and second radiation is substantially independent of the angle of viewing. | 05-31-2012 |
20120140435 | LIGHT EMITTING DEVICE UTILIZING REMOTE WAVELENGTH CONVERSION WITH IMPROVED COLOR CHARACTERISTICS - A light emitting device includes a radiation source operable to generate and radiate excitation energy, the source being configured to irradiate a wavelength conversion component with excitation energy and the wavelength conversion component comprising a layer of photo-luminescent material configured to emit radiation of a selected color when irradiated by the radiation source and a color enhancement filter layer configured to filter undesirable wavelengths of an emission product of the layer of photo-luminescent material to establish a final emission product for the light emitting device. | 06-07-2012 |
20120140436 | SOLID-STATE LAMPS WITH LIGHT GUIDE AND PHOTOLUMINESCENCE MATERIAL - A solid-state lamp comprises a light guide having at least one light emitting face and at least one solid-state light source (LED) configured to couple light into the light guide. The lamp further comprises a pattern of light extracting features for promoting emission of light from the light guide wherein the pattern of light extracting features is formed on at least one face of the light guide. | 06-07-2012 |
20120140437 | LIGHTING MODULE AND LIGHTING DEVICE - A lighting module may be provided that includes: a light emitter; a clad metal substrate which is disposed under the light emitter; an insulating structure which insulates the light emitter from the clad metal substrate; an optical structure which is disposed on the light emitter; and a case which is disposed on the optical structure and is coupled to the clad metal substrate, wherein the light emitter includes a semiconductor based light emitting device. | 06-07-2012 |
20120140438 | CO-DOPED SILICOOXYNITRIDES - The invention relates to compounds of the formula (I) (Ca,Sr,Ba) | 06-07-2012 |
20120140439 | RARE-EARTH COMPLEX AND USES THEREOF - The rare-earth complex of the present invention has high luminous efficiency, since it has a structure represented by the following general formula (I): | 06-07-2012 |
20120147585 | Telescopic Light Pole System - A telescopic light pole system includes a handle assembly having a tubular grab handle with at least one handle insert composed of a photoluminescent material mounted thereon. At least one mounting bracket mounts the handle assembly to a vehicle. A tubular extension member extends through the grab handle bore. A clamp collar assembly mounted to the handle assembly selectively locks the extension member to the handle assembly. A light fixture mounting member affixed to a first end of the extension member is adapted to mount a light fixture to the extension member. A power line receptacle is affixed to the second end of the extension member. | 06-14-2012 |
20120147586 | LED MODULE AND LAMP HAVING THE SAME - The present invention relates a LED module and a lamp having the same. The LED module includes a substrate, a reflector, a transparent shroud and a fluorescent gel layer. The substrate has an accommodating portion in which at least one LED chip is received. The reflector is provided on the substrate and has an accommodating space in which a first gel is received. The transparent shroud is connected to the reflector to seal the first gel. The fluorescent gel layer is provided between the transparent shroud and the first gel. With this structure, light spot and color temperature of the emitted light become more uniform, and the light-emitting efficiency thereof is improved greatly. | 06-14-2012 |
20120147587 | NANOWIRE ARRAYS - Described herein is a nanowire array, comprising a substrate, a plurality of fluorescent nanowires extending essentially perpendicularly from the substrate and a reflective layer disposed on the substrate in areas between the fluorescent nanowires; wherein the fluorescent nanowires are operable to fluoresce at a wavelength of a collective mode of the nanowire array. | 06-14-2012 |
20120147588 | OMNIDIRECTIONAL LED MODULE - An omnidirectional LED module includes a LED package unit having a LED chip mounted in the base member thereof and a package compound molded on the base member over the LED chip for letting the light emitted by the LED chip be projected toward the outside in a diffusion angle, and a reflector that includes a light mask kept spaced from the package compound at a predetermined distance and carrying a phosphor layer that is disposed in the LED projection light path of the LED package unit and covering all the light rays emitted by the LED chip for diffusing and reflecting the light rays emitted by the LED chip and causing change of the color temperature (wavelength) of the light rays. | 06-14-2012 |
20120147589 | System for Providing a Directional LED Array - System for providing a directional LED array. In an aspect, a directional LED array is provided that includes a plurality of LEDs and a plurality of cups coupled to the plurality of LEDs and configured to direct light emitted from the plurality of LEDs into a resulting array beam pattern, wherein each cup directs light from one or more LEDs to form the resulting array beam pattern. In another aspect, a lighting device is provided that includes a lighting fixture and a cup array coupled to the lighting fixture. The cup array includes a plurality of LEDs and a plurality of cups coupled to the plurality of LEDs and configured to direct light emitted from the plurality of LEDs into a resulting array beam pattern, wherein each cup directs light from one or more LEDs to form the resulting array beam pattern. | 06-14-2012 |
20120147590 | LED TUBE - A light emitting diode (LED) tube is disclosed. The LED tube comprises a print circuit board comprising a plurality of LEDs arranged on one side; a housing adapted to receive the print circuit board, the housing comprises a first phosphor layer and a second phosphor layer coated on an outer surface of the housing, the housing is rotatable around the print circuit board; and a connector attached to one end of the housing, the connector is adapted to provide electrical power to the plurality of LEDs. | 06-14-2012 |
20120147591 | LIGHTING DEVICE - A lighting device can include an LED and a plate-like lens body including a narrow side surface configured as an elongated rectangular light exiting surface. The LED can face towards the lens body so that light emitted in a wide angle direction is directed to the front surface and the rear surface in the thickness direction and so that light in a narrow angle direction can impinge on the second side surface of the lens body to enter the lens body. The lens body can include a first optical system having a lens portion, a first light incident surface, a first total reflection surface, and a second total reflection surface. A second optical system can include a second light incident surface, a third total reflection surface, and a fourth total reflection surface. An air layer can be provided between the lens portion and the first light incident surface. | 06-14-2012 |
20120155059 | LIGHT SOURCE COMPRISING A LIGHT EMITTER ARRANGED INSIDE A TRANSLUCENT OUTER ENVELOPE - The invention relates to a light source ( | 06-21-2012 |
20120155060 | Quantum Dot Modulation For Displays - Modulated light sources are described. A modulated light source may have first light sources that are configured to emit first light, which has first color components that occupy a range that is beyond one or more prescribed ranges of light wavelengths. The modulated light source may also have a light converter that is configured to be illuminated by the first light. The light converter converts the first light into second light. The second light has one or more second color components that are within the one or more prescribed ranges of light wavelengths. Strengths of the one or more second color components in the second light are monitored and regulated to produce a particular point within a specific color gamut. | 06-21-2012 |
20120155061 | LED MODULE, LED LAMP, AND ILLUMINATING APPARATUS - To constrain reductions in luminous efficacy while enhancing the color rendition index, the LED module includes a blue LED, at least one variety of phosphor particles excited by the outgoing light from the blue LED, and neodymium glass particles that include neodymium ions absorbing the outgoing light from the phosphor particles in a predetermined wavelength band. | 06-21-2012 |
20120162962 | HIGH INTENSITY POINT SOURCE SYSTEM FOR HIGH SPECTRAL STABILITY - A system and method are provided for utilizing section contribution characteristic data to achieve accurate measurements by compensating for unwanted phosphor output variations that occur at specific sections of phosphor on a rotating high intensity phosphor point source element. Phosphor grain size, density, blend homogeneity, or illumination gap variations may cause the unwanted variations. Based on the section contribution characteristics, excitation energy compensation may provide a stable output illumination spectrum or computational compensation may correct measurements for effects arising from predictable output illumination spectrum variations. The section contribution characteristic data may comprise section wavelength intensity profile data and/or section efficiency data, in various embodiments. In some embodiments, the sections may be on the order of the size of the phosphor grains and may be characterized and compensated. The sections may include phosphor blends, or distinct phosphor types, in various embodiments. | 06-28-2012 |
20120162963 | LIGHTING SYSTEM WITH GRAVITY CONTROLLED LIGHT BEAM - A lighting system ( | 06-28-2012 |
20120162964 | LIGHTING DEVICE WITH OFF-STATE WHITE APPEARANCE - A lighting device ( | 06-28-2012 |
20120162965 | LIGHT BULB SHAPED LAMP - A light bulb shaped lamp according to the present invention includes a translucent base board, an LED chip mounted on the base board, a base for receiving power from outside, at least two power-supply leads for supplying power to the LED chip, and a globe partially attached to the base for housing the base board, the LED chip, and the power-supply leads. Each of the two power-supply leads extends from a side of the base toward inside of the globe and connected to the base board, and the LED chip is provided between a portion at which one of the two power-supply leads and the base board are connected and a portion at which the other of the two power-supply leads and the base board are connected. | 06-28-2012 |
20120176768 | LED Light Tube - An LED (Light-Emitting Diode) light tube includes a transparent tube, a phosphor layer and a base board. The phosphor layer is coated on a surface of the transparent tube, wherein a thickness of the phosphor layer is 10-100 μm. The base board is arranged inside the transparent tube for carrying a plurality of LEDs (Light-Emitting Diodes), wherein the length between the base board and the top of the transparent tube is H, and the distance between every two adjacent LEDs is P, and H/P is not smaller than 0.134 and H is 9.5-38 mm. | 07-12-2012 |
20120176769 | ILLUMINATION DEVICE AND MEDICAL-OPTICAL OBSERVATION INSTRUMENT - An illumination device for a medical-optical monitoring apparatus illuminates a monitored object ( | 07-12-2012 |
20120176770 | LED-BASED LIGHT BULB - A light source ( | 07-12-2012 |
20120182711 | OMNIDIRECTIONAL LED BASED SOLID STATE LAMP - A lighting apparatus includes a bilaterally symmetrical light engine comprising first and second light emitting diode (LED) devices or planar LED device arrays facing opposite directions, and an envelope including phosphor spaced apart from and surrounding the bilaterally symmetrical light engine. The phosphor is effective to convert light emitted by the light engine to emission light. The bilaterally symmetrical light engine may be configured to emit light having a bilaterally symmetrical intensity distribution that is uniform except at emission angles within 10° of the symmetry plane of the bilaterally symmetrical light engine. Each of the first and second LED devices or planar LED device arrays may comprise at least one hemispherically emitting LED device including an LED chip and an encapsulant encapsulating the LED chip and shaped to refract light emitted by the LED chip into a uniform distribution over a hemispherical solid angle. | 07-19-2012 |
20120182712 | ILLUMINATION SYSTEM - An illumination system for use in a projection device is provided. The illumination system comprises a first light source, a second light source, an optical device, a wavelength transformer and a first dichroic minor. The first light source and the second light source emit a first light beam and a second light beam respectively. The optical device defines a main optical axis and focuses the first light beam and the second light beam on a first focal point and a second focal point respectively, wherein the first focal point and the second focal point are disposed on two opposite sides of the main optical axis respectively. The wavelength transformer is disposed on the second focal point and transforms the second light beam into a third light beam. The first dichroic minor is disposed between the light sources and the optical device. The first light beam and the second light beam are allowed to pass through the first dichroic minor, and the third light beam is reflected by the first dichroic mirror. After being reflected by the first dichroic minor, the third light beam is focused onto the first focal point. | 07-19-2012 |
20120182713 | LIGHTING UNIT WITH LIGHT EMITTING ELEMENTS - The invention provides systems and methods for providing illumination. A lighting unit may be provided with a support structure, a circuit board supporting a plurality of light emitting elements, and a base optical member. The circuit board may be flexible, and may be curved to provide strong thermal contact with the support structure. The light emitting elements may extend beyond a side of the circuit board. The base optical element may have castellations, wherein the light emitting elements may be located between the castellations. | 07-19-2012 |
20120182714 | COMPOSITE FILM FOR LIGHT-EMITTING APPARATUS, LIGHT-EMITTING APPARATUS AND METHOD FOR PRODUCING THE COMPOSITE FILM - Provided is a composite film used for a light emitting apparatus including a light emitting device. The composite film includes a fluorescent layer including phosphors and an optical plate disposed on the fluorescent layer, and diffusing, reducing or mixing at least one of light emitted by the light emitting device, light emitted by the phosphors and a combination thereof. | 07-19-2012 |
20120182715 | LED LIGHTING ARRANGEMENT INCLUDING LIGHT EMITTING PHOSPHOR AND METHOD OF MANUFACTURE - An optical component for an LED lighting arrangement comprises a transparent material having a surface and one or more photoluminescent (phosphor) materials deposited as a layer on the surface of the transparent material. The phosphor material layer can be deposited using a deposition approach including spraying, dropping, printing, painting, spin coating or tape casting. The phosphor material layer has a thickness in a range of 20 to 500 μm. The component can further comprising a light diffusing material which can be provided in a separate layer from the phosphor material layer or provided in the phosphor material layer. The light diffusing material can be deposited using a deposition approach including spraying, dropping, printing, painting, spin coating or tape casting. | 07-19-2012 |
20120188745 | LED LIGHT SOURCE DEVICE - The present invention is intended to thermally isolate an LED and a control part from each other to make it difficult to thermally influence each other, and also to optimize fin shapes suitable for allowable temperatures of the both respectively, and is provided with: a first housing that contains an LED board; a second housing that contains an LED control part; a connecting member that connects the first housing and the second housing to each other; a fan mechanism that is provided between the first housing and the second housing; heat dissipation fins that are provided around the fan mechanism in the first housing; and an air path of which one end opening is formed at a position facing to an air inlet side of the fan mechanism in the second housing, and the other opening is formed on a surface different from an opposed surface of the second housing. | 07-26-2012 |
20120188746 | Optical Member, Display Device Having the Same and Method of Fabricating the Same - Disclosed are an optical member, a display device including the optical member and a method of fabricating the optical member. The display device includes a light source; a wavelength conversion member into which light generated from the light source is incident; and a display panel into which light is incident from the wavelength conversion member. The wavelength conversion member includes a receiving part having a pipe shape; a matrix in the receiving part; and a plurality of wavelength conversion particles disposed in the matrix to convert a wavelength of the light generated from the light source. | 07-26-2012 |
20120195020 | LIGHT SOURCE MODULE AND METHOD OF MANUFACTURING THE SAME - A light source module includes a receiving container, a first light source, a second light source, a first resin, and a second resin. The receiving container includes an upper surface, a first bottom surface, and a second bottom surface. The first bottom surface has a first depth from the upper surface. The second bottom surface has a second depth from the upper surface. The first light source is disposed on the first bottom surface. The first light source generates first color light. The second light source is disposed on the second bottom surface. The second light source generates second color light. The first resin is formed on the first light source. The first resin includes a phosphor emitting third color light. The second resin is formed on the first resin and the second light source. | 08-02-2012 |
20120195021 | Rear Projection Display Using Laser Excited Photoluminescence - A display system includes an optical light source and a display panel with an array of optically excitable pixels. Optics are positioned between the optical light source and the display panel so as to direct light from the optical light source toward the display panel to cause the optically excitable pixels to emit a visible image. | 08-02-2012 |
20120195022 | APPARATUS FOR SELECTIVELY BACKLIGHTING A MATERIAL - A backlighting device ( | 08-02-2012 |
20120201012 | FLUORESCENT LIGHT EMISSION ENHANCER LIGHT-CONE - A fluorescent light emission enhancer light-cone for insertion into the central aperture of the fluorescent light bulb and subsequent expansion into a cone which helps increases the light intensity of said fluorescent light bulb by emitting outside almost half of light emission from said fluorescent light bulb that is lost inside between its loped tubes. | 08-09-2012 |
20120206900 | LIGHT SOURCE MODULE AND PROJECTION APPARATUS - A light source module includes a light-emitting device emitting an excitation light beam, a reflective component including a reflective surface with a first focal point and a second focal point, a wavelength conversion device including a plurality of excited regions and disposed nearby the first focal point and on the transmission path of the excitation light beam, and an optical component. By rotating the wavelength conversion device, the excitation light beam irradiates the different excited regions at different time, so that the excitation light beam is converted into different wavelength light beams at different time, and the different wavelength light beams respectively correspond to the excited regions and are reflected by the reflective surface and converged at the second focal point. The optical component is disposed nearby the second focal point so the different wavelength light beams pass through the second focal point and are transmitted to the optical component. | 08-16-2012 |
20120206901 | LED LIGHTING DEVICE INCLUDING MODULE WHICH IS CHANGEABLE ACCORDING TO POWER CONSUMPTION AND HAVING IMPROVED HEAT RADIATION AND WATERPROOF - A LED lighting device includes a light source module including a plurality of light emitting device, at least one heat radiating member including the at least one light source module disposed therein, a side frame which is coupled to both sides of the heat radiating member respectively, and a support frame which is coupled to one side of the side frame and supports the side frame. | 08-16-2012 |
20120212930 | LIGHTING DEVICE - A lighting device may be provided that includes a light emitting module including a substrate and a light emitting device disposed on the substrate; and a case receiving the light emitting module therewithin and including an upper case disposed on the substrate and a lower case in which the substrate is disposed. The lower case includes a seating portion which is coupled to a heat sink. The seating portion is either a projection projecting outward from the outer surface of the lower case or a recess which is formed by digging inward the outer surface of the lower case. | 08-23-2012 |
20120212931 | LIGHT EMITTING DEVICE - A light emitting device includes a first light source, an optical waveguide body, a light emitting layer and a first reflection layer. The optical waveguide body includes a first end surface to which light from the first light source is injected, and a second end surface opposed to the first end surface and provided in a light guiding direction of the light. The light emitting layer includes, along the light guiding direction, phosphor particles capable of absorbing the light and emitting wavelength converted light or a light diffusing agent diffusing the light. The first reflection layer is provided on the second end surface and is capable of reflecting part of the light guided in the optical waveguide body. Diffused light from the light emitting layer is emitted to outside of the optical waveguide body. | 08-23-2012 |
20120212932 | SPOTLIGHT - A spotlight comprises a base which is secured by nuts and washers to a support. There may be a single spotlight, or there may be a line of spotlights mounted on a support. Typical examples of use of the spotlight are illuminating displayed products such as jewellery, ceramics, clothes, or cosmetics. The locations may be retail stores, museums, or galleries for example. A main spotlight body is connected to the base by a joint having a bolt in a sleeve allowing rotation of about 180° around the bolt's axis. Further, the base can be secured to the support at any angular position about an axis through the base | 08-23-2012 |
20120212933 | ILLUMINATION OPTICAL SYSTEM AND METHOD OF MANUFACTURING ILLUMINATION OPTICAL SYSTEM - A compact illumination optical system manufactured at reasonable cost can be provided. The illumination optical system can include: a light source for emitting a light beam; a hologram element for converting the light beam emitted from the light source to reproduced light having a predetermined shape of light distribution and a predetermined luminance distribution; a fluorescent plate containing a fluorescent material for emitting visible light by absorbing the reproduced light emitted from the hologram element and entering the fluorescent material; and a lens for projecting forward the visible light emitted from the fluorescent plate. | 08-23-2012 |
20120212934 | BORATE PHOSPHOR AND WHITE LIGHT ILLUMINATION DEVICE UTILIZING THE SAME - Borate phosphors have a formula Zn | 08-23-2012 |
20120218735 | MEDICAL LUMINAIRE HAVING A LUMINOPHORE LAYER - A medical light for illuminating fluorescent areas. The medical light including: at least one light-emitting diode with at least one luminophore layer for converting short-wave light into broad-band light; and a control device for controlling illumination from the at least one light-emitting diode, wherein the control device controls a ratio between converted and unconverted light and the converted and unconverted light are emitted over a common light guide. | 08-30-2012 |
20120218736 | LIGHT EMITTING COMPOSITE WITH PHOSPHOR COMPONENTS - Disclosed herein are phosphor compositions having high gadolinium concentrations. Some embodiments include a thermally stable ceramic body comprising an emissive layer, wherein said emissive layer comprises a compound represented by the formula (A | 08-30-2012 |
20120218737 | LIGHTING APPARATUS - A lighting apparatus includes a base unit and a light emitting unit. The light emitting unit includes a substrate, a light emitting device and a reflective layer. The substrate is provided around a first axis which is along a direction from the base unit toward the light emitting unit. The substrate includes a portion having a tubular configuration opening downward from above. The tubular portion includes a plurality of light emission side surfaces disposed alternately around the first axis with a plurality of reflection side surfaces. The light emitting device is provided on each of the plurality of light emission side surfaces. The reflective layer is provided on each of the plurality of reflection side surfaces. The reflective layers are configured to reflect at least a portion of light emitted from the light emitting devices. | 08-30-2012 |
20120224352 | LED LAMP - An LED lamp has a lamp body, a base provided on one end of the lamp body, a light transmissive cover provided on an opposite side of the lamp body from the base, a light source substrate disposed inside the light transmissive cover, and at least one LED unit mounted on the light source substrate. The LED unit has an LED chip and a light transmissive encapsulant encapsulating the LED chip. The LED chip is mounted on the light source substrate. The encapsulant is molded such that the encapsulant is raised from the light source substrate. The LED unit radiates light from an entire surface of the encapsulant in an angular range including a region around a periphery of the LED unit. | 09-06-2012 |
20120224353 | SM-ACTIVATED ALUMINATE AND BORATE PHOSPHORS - The invention relates to phosphors of the formula (I) (Ln | 09-06-2012 |
20120230010 | FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE EMPLOYING THE SAME - The embodiment provides a green light-emitting fluorescent substance having high quantum efficiency and also a light-emitting device comprising that substance so as to less undergo color discrepancies. The fluorescent substance is generally represented by (Sr | 09-13-2012 |
20120230011 | SEMICONDUCTOR LIGHT SOURCE APPARATUS - A semiconductor light source apparatus can include a clad layer, a phosphor layer surrounded by the clad layer and a laser diode emitting a laser light. The phosphor layer can include a cavity having an opening for receiving the laser light, a phosphor material and a light-emitting surface of the apparatus. The laser light entering into the cavity can repeatedly reflect on an inner surface of the phosphor layer many times, each and every time most of the laser light entering into the phosphor layer. The laser light can be efficiently wavelength-converted by the phosphor material and the wavelength converted light can be emitted from the light-emitting surface having various shapes exposed from the clad layer. Therefore, the disclosed subject matter can include providing semiconductor light source apparatuses having a high light-emitting efficiency and high light-emitting density such that the devices can be used for a headlight, general lighting, etc. | 09-13-2012 |
20120230012 | LED-BASED LIGHT BULB - A light source ( | 09-13-2012 |
20120230013 | LIGHTING DEVICE, METHOD AND LIGHT WAVELENGTH CONVERSION WHEEL ASSEMBLY FOR COLOR TUNING THEREOF - A lighting device, a method and a light wavelength conversion wheel assembly ( | 09-13-2012 |
20120236531 | LOW HEIGHT DISPLAY USING MULTILAYER PRINTED CIRCUIT BOARD WITH A LAMINATED PANEL AS HOUSING - A multi-segment display is disclosed. Specifically, a low height LED-based display is disclosed that includes a number of segments. The segment construction may include a Printed Circuit Board (PCB) layer, a first substrate, and a second substrate that are laminated or otherwise connected to one another. The first and second substrates may include windows which allow light generated by a light source mounted on the PCB to exit the display and one or more of the windows may be filled with an encapsulant. | 09-20-2012 |
20120236532 | LED ENGINE FOR ILLUMINATION - A light-emitting device (LED) engine includes: a body having a through-hole; a light-emitting module that is disposed under the body, includes at least one light emitting device, and is disposed to expose a light-emitting surface via the through-hole; and a printed circuit board (PCB) which is disposed under the body, to which the light-emitting module is coupled, and includes a terminal unit for supplying power to the light-emitting module. | 09-20-2012 |
20120236533 | FLUORESCENT TUBE TYPE LED LAMP - A fluorescent tube type LED lamp includes an elongated lamp body that has a largest dimension in a longitudinal direction, a light source substrate mounted on the lamp body, a light transmissive cover attached to the lamp body, and an LED unit mounted on the light source substrate such that the LED unit extends in the longitudinal direction of the lamp body. The LED unit includes a plurality of LED chips mounted on the light source substrate, and a transparent encapsulant encapsulating the LED chips. The encapsulant is molded such that the encapsulant is raised from the light source substrate. The LED unit radiates light from an entire surface of the encapsulant in an angular range including a region lateral to the lamp body. | 09-20-2012 |
20120236534 | ADJUSTABLE LIGHT SOURCE - A light source includes a light emitting device that emits light, and a spectrum adjuster that is positionable relative a light path of the light emitted by the light emitting device. The spectrum adjuster includes a region of continuously-variable spectrum adjusting material, usable for adjusting the spectrum of light passing through the spectrum adjuster. The variable spectrum adjusting material may be color-attenuating material, such as a filtering material, or may be wavelength-shifting material, such as a phosphor. The light source has adjustable spectrum of its output light depending upon the relative positioning of the light emitting device and the spectrum adjuster. | 09-20-2012 |
20120236535 | LIGHT BULB WITH ADJUSTABLE LIGHT SOURCE - A light bulb includes a base for mechanically mounting the light bulb and for receiving electrical power, a light guide, and a light source that directs output light into the light guide. The light source includes a light emitting device that emits light, and a variable spectrum adjuster that is variably positionable relative the light path of light emitted by the light emitting device. The spectrum adjuster includes a region of continuously-variable spectrum-adjusting material, usable for adjusting the spectrum of light passing through the spectrum adjuster. In some embodiments, the spectrum adjusting material is a color-attenuating material, such as a filtering material. In other embodiments, the spectrum-adjusting material is a wavelength-shifting material, such as a phosphor, or another suitable type of material that shifts the wavelength of light incident. | 09-20-2012 |
20120236536 | LIGHT-EMITTING DEVICE - A light-emitting device can include a fluorescent plate having a first surface and a second surface opposite to the first surface and configured to emit fluorescent light by laser irradiation. A first laser light source can be disposed such that the first surface of the fluorescent plate is irradiated with first laser light. A second laser light source can be disposed such that the second surface of the fluorescent plate is irradiated with second laser light. A reflector can include a light passing hole through which the second laser light can pass and can include a concave reflecting surface configured to cover an irradiation region with the second laser light at least on the fluorescent plate. A lens can be disposed in a space closer to the first surface of the fluorescent plate. | 09-20-2012 |
20120236537 | LIGHTING DEVICE WITH LOW GLARE AND HIGH LIGHT LEVEL UNIFORMITY - A lighting device, comprising at least a first light control element, at least a first light source positioned so that at least a portion of light emitted by the first light source passes through at least a portion of the first light control element and at least a first luminescent material, at least a portion of the first luminescent material being spaced from the first light source, the first luminescent material being positioned so that at least a portion of light emitted by the first light source excites at least a portion of the first luminescent material. | 09-20-2012 |
20120243205 | ILLUMINATION SYSTEM - An illumination system for use in a projector is provided. The illumination system comprises a first light source, a first timing controlling unit, a curved reflecting component and a wavelength converting component. The first light source provides a first wavelength light, while the first timing controlling unit divides the first wavelength light into a first timing portion and a second timing portion. The curved reflecting component comprises a focal point. The wavelength converting component is disposed at the focal point for converting the first timing portion of the first wavelength light into a second wavelength light. | 09-27-2012 |
20120257374 | LED LAMP - An LED lamp is disclosed herein. The LED lamp may comprise a core with a plurality of outwardly extending elevated sections configured to dispose LED supports. The core may comprise one or more air vents. A heat sink may be disposed in conductive heat transfer communication with a corresponding LED support. An insulator may be disposed about each embossed portion of the core and may have a light redirecting portion configured to redirect light emitted from LEDs supported on a corresponding LED support. One or more heat sinks and its corresponding insulator may be configured and disposed to provide an air gap therebetween. | 10-11-2012 |
20120257375 | Light Emitting Diode Lamp Source - A light fixture includes a core member having a top end, a bottom end, and a body extending between the top and bottom ends. The core member includes a solid, single member or modular members. The body includes outer surfaces (“facets”) spaced along an outer perimeter thereof. Each facet can receive one or more light emitting diode (“LED”) packages in various different positions, with different electrical and other configurations. By rearranging and/or reconfiguring the LED packages, the light fixture can have different optical distributions, such as that traditionally provided by metal halide, high intensity discharge, quartz, sodium, incandescent, and fluorescent light sources. Heat pipes extending through the core member dissipate heat from the LEDs. Active cooling modules and/or fins may assist with this heat dissipation. The heat pipes and/or a separate elongated structure extending through the core member can secure the core member to the light fixture. | 10-11-2012 |
20120262902 | LED LUMINAIRE INCLUDING A THIN PHOSPHOR LAYER APPLIED TO A REMOTE REFLECTOR - A luminaire including a thin phosphor layer applied to a remote reflector is disclosed. In some embodiments of the luminaire, LEDs illuminate and activate a thin remote phosphor coating applied to a reflective substrate. In some embodiments, the LED light source includes at least one LED with a GaN emitting layer. The LEDs can be packaged with or without a local phosphor. The thin remote phosphor can include red, red/orange, yellow, green or cyan emitting phosphor so that the luminaire produces white light. The thin remote phosphor layer can include two or more different color emitting phosphors. In some embodiments, the luminaire is a light fixture including a diffuser lens assembly and a pan to support the fixture when mounted in a ceiling. | 10-18-2012 |
20120262903 | LED-BASED LIGHT SOURCES FOR LIGHT EMITTING DEVICES AND LIGHTING ARRANGEMENTS WITH PHOTOLUMINESCENCE WAVELENGTH CONVERSION - An LED-based light source for generating light having a selected dominant wavelength λ | 10-18-2012 |
20120262904 | ILLUMINATION SYSTEM - The invention provides an illumination system comprising a light-emitting device which excites a first luminescent element, which forms part of the light-emitting device. The light emitted from the first luminescent element and/or the light emitted by the light-emitting device excite a second luminescent element, physically separated from the light-emitting device. By employing two luminescent elements, the first element in the light-emitting device, and the second element physically separated from the light-emitting device, such as on a cover plate, the conversion of light produced by the light-emitting device is performed at both a “local” and a “remote” location, respectively, and the amount of luminescent material required at the remote location may be reduced compared to the situation of the prior art where the light conversion was only performed at a remote location. | 10-18-2012 |
20120262905 | LENS AND LIGHT EMITTING APPARATUS HAVING THE SAME - Provided is a light emitting apparatus. The light emitting apparatus comprises a substrate; a light emitting device package on the substrate; and a lens supported by the substrate, the lens being disposed on the light emitting device package, wherein the lens comprises a lens body having a first recess at a central portion of a top surface thereof, a second recess at a central portion of a bottom surface thereof, and a lens support disposed on the bottom surface of the lens body to support the lens body such that the bottom surface of the lens body is spaced apart from the substrate. | 10-18-2012 |
20120268915 | SIDE-EMITTING SOLID STATE LIGHT SOURCE MODULES WITH FUNNEL-SHAPED PHOSPHOR SURFACE - A lighting module has a base, a top, a longitudinal axis from the base's center to the top's center, and a lateral edge surrounding the axis. Solid state light sources at the base emit excitation light, having an excitation wavelength and an angular distribution centered about the axis, toward the top. A lens defines a lateral edge of the module, which extends from the base to the top and reflects the excitation light. A phosphor surface of the module, shaped as a funnel having a wide end proximate the top and a narrow end proximate the base, receives and absorbs the excitation light, producing phosphor light that exits the module through the lateral edge. The phosphor light's wavelength is greater than the excitation wavelength, and has an angular distribution at each point on the phosphor surface centered about a local surface normal with respect to the phosphor surface. | 10-25-2012 |
20120268916 | LIGHT EMITTING DEVICE PACKAGE AND METHOD OF MANUFACTURING THE SAME - There are provided a light emitting device package and a method of manufacturing the same. The light emitting device package includes a light emitting device including electrode pads; a body part supporting the light emitting device, including a reflective groove exposing an upper surface of the light emitting device in an upper surface thereof, and exposing a lower surface of the light emitting device through a lower surface thereof; and a lens part provided on the body part and covering the light emitting device. | 10-25-2012 |
20120268917 | LIGHT SOURCE APPARATUS AND IMAGE DISPLAY APPARATUS - A light source apparatus includes: an excitation light source; a phosphor having, as a main fluorescence wavelength region, wavelengths of green excited by excitation light emitted from the excitation light source; a red laser light source that oscillates in a red wavelength region; an optical multiplexer that multiplexes fluorescence emitted from the phosphor and red laser light emitted from the red laser light source; and color demultiplexing optics that demultiplexes the multiplexed light into two light beams. A cutoff wavelength of the color demultiplexing optics is a wavelength in the wavelength region of fluorescence, and is shorter than the red wavelength region. | 10-25-2012 |
20120268918 | EXTENDED PERSISTENCE AND REDUCED FLICKER LIGHT SOURCES - A light source is provided with extended persistence and reduced flicker characteristics by using a light capacitive filter. In general, a light source can include an illumination source which converts electrical energy into emitted light. The illumination source, however, is generally powered by an AC waveform, and the periodic variations inherent in the AC waveform may cause flicker in the emitted light. To reduce the flicker, a light capacitive filter is included in the light source to filter the light emitted by the illumination source and produce a light output with reduced flicker. In some examples, the light capacitive filter includes a medium persistence phosphor having a decay constant (or half-life) of between 1 milliseconds and 2 seconds. | 10-25-2012 |
20120275134 | LIGHT PROJECTION UNIT AND LIGHT PROJECTION APPARATUS - A light projection unit capable of improving light use efficiency is provided. This light projection unit includes: a fluorescent member that includes an illuminated surface to which laser light is directed, converts at least part of the laser light into fluorescent light and outputs the fluorescent light from chiefly the illuminated surface; and a reflection member that includes a first reflection surface which reflects the fluorescent light output from the fluorescent member. The illuminated surface of the fluorescent member is inclined with respect to a predetermined direction in such a way that the illuminated surface faces in a direction opposite to a light projection direction. | 11-01-2012 |
20120275135 | ILLUMINATING DEVICE - An illuminating device comprises one or more luminescent devices ( | 11-01-2012 |
20120281387 | Structure of light-emitting diode - A structure of light-emitting diode includes a base, a circuit board, at least one light emission chip, a light-transmitting resin layer, and a light adjustment film. The base forms a cavity. The circuit board is mounted at a bottom of the cavity. The light emission chip is electrically connected to the circuit board. The light-transmitting resin layer is received in the cavity and bonded to the circuit board to encapsulate the light emission chip. The light adjustment film is separately provided and is set on a top of the light-transmitting resin layer and contains therein uniformly distributed powders of phosphor to allow the light-emitting diode to project uniform light. As such, the light adjustment film is made separately to facilitate uniform distribution of phosphor and thus helps improving quality of customized product to have the color light emitting therefrom according to a desired specification and concentrated, and also facilitating encapsulation operation to form light-emitting diodes that give off different color lights. | 11-08-2012 |
20120281388 | LED light source and manufacturing method thereof - A LED light source includes one or more LED light source arrangements, wherein each of the LED light source arrangements includes a LED member having a first light emitting surface and an opposed second light emitting surface, and two fluorescent members on top of the first and second light emitting surfaces of the LED member respectively to retain the LED member in position such that the illumination generated from the LED member is capable of passing through the two fluorescent members from the two light emitting surfaces respectively. The LED light source arrangement provides illumination at an angle greater than 180° and direct effective heat dissipation at all sides of the LED member. | 11-08-2012 |
20120281389 | LIGHT SOURCE WITH SECONDARY EMITTER CONVERSION ELEMENT - A light source is disclosed. The light source includes a primary excitation source configured to emit electromagnetic radiation at a first peak wavelength and a band of wavelengths around the first peak wavelength. A secondary emitter conversion element is optically coupled to the primary excitation source and is configured to absorb at least a portion the electromagnetic radiation at the first peak wavelength from the primary excitation source and emit electromagnetic radiation at a second peak wavelength and a band of wavelengths around the second peak wavelength. The second peak wavelength is longer than the first peak wavelength. A non-imaging optical coupler is optically coupled to the secondary emitter conversion element. An optical system includes the light source optically coupled to a transparent rod. | 11-08-2012 |
20120287601 | HIGH EFFICIENCY LED LAMP - A high-efficiency LED lamp is disclosed. Embodiments of the present invention provide a high-efficiency, high output solid-state lamp. The lamp includes an LED assembly, and an optical element or diffuser disposed to receive light from the LED assembly. The optical element includes a primary exit surface, wherein the primary exit surface is at least about 1.5 inches from the LED assembly. In example embodiments, the optical element is roughly cylindrical in shape, but can take other shapes and be made from various materials. An LED lamp according to some embodiments of the invention has an efficiency of at least about 150 lumens per watt. In some embodiments, the lamp has a light output of at least 1200 lumens. In some embodiments, the LED lamp produces light with a color rendering index (CRI) of at least 90 and a warm white color. | 11-15-2012 |
20120287602 | LIGHTING APPARATUS - A lighting apparatus comprising: an elongated-shaped LED unit provided with a plurality of lighting units on one surface in the thickness direction thereof, each of said lighting units having a LED chip; a reflective plate held by a main body; a lighting device for lighting the LED unit; and a heat radiation block to which said LED unit being replaceably attached, configured to dissipate the heat generated in the LED unit, and arranged at the other surface side in the thickness direction of the LED unit. The reflective plate has an installation portion for installing the LED unit. The heat radiation block is held by the reflective plate. The LED unit has a flat portion at light extracting surface from the lighting unit. The flat portion has the same plane with a surrounding area of the installation portion in a reflective surface of the reflective plate. | 11-15-2012 |
20120293978 | LED LAMP WITH IMPROVED LIGHT OUTPUT - The present disclosure involves an LED lamp. The LED lamp includes a plurality of light-emitting diode (LED) light sources located on a substrate. At least a subset of the LED light sources is free of a phosphor coating. The LED lamp includes a multi-layered cap structure located over at least the subset of the LED light sources. The cap structure contains a phosphor material and a diffuser material. The cap structure is physically separated from the subset of the LED light sources by a gap. The LED lamp includes a cover structure positioned over and surrounding the LED light sources and the cap structure. | 11-22-2012 |
20120293979 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a circuit board; a plurality of light sources disposed on the circuit board; and a lens sheet disposed on the circuit board, wherein the lens sheet includes a plurality of recesses, and the light sources are received in the recesses. The invention can omit a light guide plate or optical films. | 11-22-2012 |
20120293980 | LIGHT-EMITTING UNIT, BACKLIGHT DEVICE AND DISPLAY APPARATUS - Provided is a light-emitting unit wherein the directivity of light to be emitted can be lowered while the increase of the number of members thereof is suppressed and the increase of the size thereof is suppressed. An LED package (light-emitting unit) ( | 11-22-2012 |
20120293981 | GLASS COMPOSITION, LIGHT SOURCE DEVICE AND ILLUMINATION DEVICE - A glass composition including, in oxide-based mol %: (a) at least 30% and at most 50% P | 11-22-2012 |
20120300429 | LED LAMP - Exemplary embodiments of the present invention relate to an LED lamp including a substrate, a first LED, a second LED, a heat sink, and a transparent cover. The first LED is arranged on a first surface of the substrate. The second LED is arranged on a second surface of the substrate, the second surface being an opposite side of the substrate from the first surface. The heat sink has a mounting surface on which the substrate is arranged. The heat sink also has a reflection surface. The transparent cover covers the substrate, the first LED, and the second LED. | 11-29-2012 |
20120300430 | LIGHT-EMITTING MODULE AND LIGHTING APPARATUS - According to one embodiment, a light-emitting module includes a light-transmissive substrate, an LED chip arranged on one surface of the light-transmissive substrate, and a phosphor layer surrounding the LED chip. The phosphor layer includes a first phosphor layer covering one surface of the LED chip and a second phosphor layer covering the other surface side of the light-transmissive substrate and being continuous with the first phosphor layer. | 11-29-2012 |
20120300431 | LIGHT EMITTING DEVICE - A light emitting device includes: a substrate having a bar shape; a plurality of light emitting elements separately mounted in a lengthwise direction of the substrate on an upper surface of the substrate; and a light-transmissive cover formed to be upwardly convex, having one or more localized concave portions, and installed on the substrate to cover at least two of the plurality of light emitting elements together. | 11-29-2012 |
20120300432 | LED LAMP, LED ILLUMINATION DEVICE, AND LED MODULE - An LED lamp provides a strong red color with a natural appearance. The LED lamp is provided with an LED module and a filter. The LED module includes a blue LED with a main emission peak in the 440 nm to 460 nm wavelength band, a green/yellow phosphor that is excited by light emitted by the blue LED, and a red phosphor that is excited by light emitted by at least one of the blue LED and the green/yellow phosphor. The filter reduces the spectral radiation intensity of at least a portion of the 570 nm to 590 nm wavelength band among light emitted by the LED module. | 11-29-2012 |
20120307480 | LIGHT EMITTING DIODE MODULE AND LIGHTING APPARATUS USING THE SAME - A light emitting diode (LED) module and a lighting apparatus using the same are disclosed. The LED module includes a circuit board to which at least one LED emitting light of a first wavelength range is mounted, a first wavelength conversion plate to convert the light of the first wavelength range, generated from the at least one LED, to light of a second wavelength range, and a plate control module connected with the first wavelength conversion plate by a first region to selectively dispose the first wavelength conversion plate on the at least one LED by rotatably moving the first wavelength conversion plate. | 12-06-2012 |
20120314398 | Laser package having multiple emitters with color wheel - Method and devices for emitting electromagnetic radiation at high power using nonpolar or semipolar gallium containing substrates such as GaN, AlN, InN, InGaN, AlGaN, and AlInGaN, are provided. The laser devices include multiple laser emitters integrated onto a substrate (in a module), which emit green or blue laser radiation. | 12-13-2012 |
20120320562 | LED LIGHTING DEVICE - An LED (Light-Emitting Diode) lighting device is provided. The LED lighting device comprises an LED module, a lamp cover, and a phosphor layer. The LED module comprises a circuit board comprising a driving circuit and a plurality of LEDs mounted on the circuit board and driven by the driving circuit so as to emit light of 300-700 nm in wavelength. The lamp cover is configured to shield the LED module. The phosphor layer is coated on an inner surface of the lamp cover towards the LED module and configured to transform the light of 300-700 nm in wavelength to a luminary light of 400-700 nm in wavelength. | 12-20-2012 |
20120320563 | Lamp Device - According to some aspects, a light-emitting module that is small and easy to produce may be provided. On the surface of a board, a light-emitting element and an electrical connection portion electrically connected to the light-emitting element are provided. In some examples, in a position close to the electrical connection portion of the board, a through-hole that penetrates the board is formed. Through the through-hole of the board, an electric wire for supplying electric power to the light-emitting element may be inserted from the back surface of the board to the front surface to be electrically connected to the electrical connection portion. | 12-20-2012 |
20120327631 | LED LIGHTING DEVICE - An LED lighting device comprises an LED light source and a luminescent conversion portion. Rotation of the luminescent conversion portion relative to the LED light source or rotation of the LED light source relative to the luminescent conversion portion is used to produce a variety of color temperatures. The luminescent conversion portion has phosphors unevenly distributed therein. | 12-27-2012 |
20130003345 | LED LIGHTING APPARATUS, SYSTEMS AND METHODS OF MANUFACTURE - A light emitting diode (LED) lighting apparatus including an array of first optic elements overlying an array of LED chips, wherein each of the LED chips is configured to emit light of a first wavelength range through a light emitting surface of the overlying first optic element. The array of first optic elements are also underlying an array of second optic elements, wherein each of the second optic elements is configured to convert light of the first wavelength range to be emitted through the light emitting surface of the underlying first optic element to light of a second wavelength range different from the first wavelength range. | 01-03-2013 |
20130003346 | COMPACT HIGH EFFICIENCY REMOTE LED MODULE - Solid state modules and fixtures comprising different combinations and arrangements of a light source, one or more wavelength conversion materials, thermally conductive connection adapters allowing dissipation of heat outside of the module, and a remote power supply unit. This arrangement allows for greater thermal efficiency and reliability while employing solid state lighting and providing emission patterns that are equivalent with ENERGY STAR® standards. Some embodiments additionally place compensation circuits, previously included with power supply units, on the optical element itself, remote from the power supply unit. Various embodiments of the invention may be used to address many of the difficulties associated with utilizing efficient solid state light sources such as LEDs in the fabrication of lamps or bulbs suitable for direct replacement of traditional incandescent bulbs or fixtures using bulbs. | 01-03-2013 |
20130003347 | LIGHT EMITTING DEVICE - In a light emitting device ( | 01-03-2013 |
20130003348 | WAVEGUIDE SHEET CONTAINING IN-COUPLING, PROPAGATION, AND OUT-COUPLING REGIONS - In one aspect, an illumination structure includes a substantially non-fiber waveguide, which itself includes a discrete in-coupling region for receiving light, a discrete propagation region for propagating light, and a discrete out-coupling region for emitting light. | 01-03-2013 |
20130003349 | LIGHTING APPARATUS - A lighting apparatus comprises: a body comprising a first body and a second body, wherein the first body comprises a first bottom surface and a first side surface, wherein the second body comprises a second bottom surface and a second side surface, and wherein the body has a receiving recess configured by the first bottom surface, the second bottom surface, the first side surface and the second side surface; a reflector disposed in the receiving recess of the body and comprising a plurality of reflective surfaces; and a light source disposed on the first side surface of the first body and the second side surface of the second body, disposed at an area corresponding to the reflective surfaces of the reflector. | 01-03-2013 |
20130010453 | COLOR COMPENSATION IN LED LUMINAIRES - A luminaire in which color or brightness differences of light sources are compensated is provided. The luminaire can include several LED packages providing light to a primary optical component, which directs the light out of the luminaire. Because individual LED packages may output light at slightly different colors and/or brightness, the luminaire can include a secondary optical component having different materials that modify the color, brightness, or both of the output light. The secondary optical component can serve as a filter positioned between the LED packages (e.g., between a LED module) and the primary optical component, or between the primary optical component and the user, or above the primary optical component. The secondary optical component can be constructed by providing colorfast inks, phosphors, or quantum dots on a clear substrate or on a surface of the primary optical component. The materials can be disposed in a non-uniform manner. | 01-10-2013 |
20130010454 | ILLUMINATING DEVICE - An illuminating device has a light source that includes a plurality of light emitting devices and a phosphor; and a lens sheet that stays on an optical axis of the light source, the lens sheet having a plurality of prisms that is symmetrically arranged with respect to the optical axis of the light source. The plurality of prisms is configured at least on a surface of the lens sheet in which to face the light source, and a plurality of light scattering elements is configured at least on a surface of the lens sheet in which not to face the light source. | 01-10-2013 |
20130016494 | PACKAGE FOR LIGHT EMITTING AND RECEIVING DEVICES - In various embodiments, packages include one or more lighting devices having electrical contact points, a flexible substrate for supporting the lighting devices, a plurality of electrically conductive traces defined on the substrate and electrically connected to the contact points of the lighting devices, and an adhesive layer mounting each of the lighting devices on the substrate. | 01-17-2013 |
20130021775 | HEAT MANAGEMENT SUBSYSTEMS FOR LED LIGHTING SYSTEMS, LED LIGHTING SYSTEMS INCLUDING HEAT MANAGEMENT SUBSYSTEMS, AND/OR METHODS OF MAKING THE SAME - Certain example embodiments relate to improved lighting systems and/or methods of making the same. In certain example embodiments, a lighting system includes a glass substrate with one or more apertures. An LED or other light source is disposed at one end of the aperture such that light from the LED directed through the aperture of the glass substrate exits the opposite end of the aperture. Inner surfaces of the aperture have a mirroring material such as silver to reflect the emitted light from the LED. In certain example embodiments, a remote phosphor article or layer is disposed opposite the LED at the other end of the aperture. In certain example embodiment, a lens is disposed in the aperture, between the remote phosphor article and the LED. | 01-24-2013 |
20130021776 | LED LIGHTING SYSTEMS WITH PHOSPHOR SUBASSEMBLIES, AND/OR METHODS OF MAKING THE SAME - Certain example embodiments relate to improved lighting systems and/or methods of making the same. In certain example embodiments, a lighting system includes a glass substrate with one or more apertures. An LED or other light source is disposed at one end of the aperture such that light from the LED directed through the aperture of the glass substrate exits the opposite end of the aperture. Inner surfaces of the aperture have a mirroring material such as silver to reflect the emitted light from the LED. In certain example embodiments, a remote phosphor article or layer is disposed opposite the LED at the other end of the aperture. In certain example embodiment, a lens is disposed in the aperture, between the remote phosphor article and the LED. | 01-24-2013 |
20130021777 | LIGHT FIXTURE WITH COEXTRUDED COMPONENTS - A light fixture with coextruded components is disclosed. Embodiments of the present invention provide a solid-state light fixture suitable for use in commercial environments. A light fixture according to example embodiments of the invention includes an LED light source and a coextruded optical assembly. In some embodiments, the reflector portion of the assembly includes a thin skin of reflective material. In some embodiments, the assembly includes an interlocking mechanical interface between the reflector and lens portions of the assembly. In some embodiments, the lens portion of the assembly includes two lens plates. In some embodiments, a longer fixture can be assembled by using two, coextruded portions of an optical assembly, where these portions are adapted to be joined end-to-end. Reinforcing members can be used in the reflector and lens assembly. | 01-24-2013 |
20130027904 | LED Lighting Device - A solid-state light emitting diode (LED) lighting device is disclosed for use in general lighting. In the preferred embodiment, the LED lighting device comprises a heat sink, a light dome, a light divider, a light distribution plate, and an output globe. A plurality of diffusively reflective compartments are formed inside the output globe for effective light scrambling. The light distribution plate, together with a shaped heat sink and a substantially transparent matching output globe, further enhances omni-directional lighting distribution and luminous efficacy. In some preferred embodiments, color mixing or remote wavelength conversion luminescent phosphor particles are utilized for improved color reproduction. The LED lighting device has high luminous efficacy, indirect glare-free surface illumination, omni-directional distribution, and good color reproduction. | 01-31-2013 |
20130027905 | LED LIGHT ENGINE - An integrated Light Emitting Diode (LED) device including multiple LEDs connected to a circuit board, integrated circuit (IC) drivers connected to the circuit board, and a first alternating current (AC) terminal and a second AC terminal connected to the circuit board. | 01-31-2013 |
20130033848 | COMPACT, THERMALLY-ENHANCED SUBSTRATE FOR LIGHTING APPLICATIONS - A solid state light source module having a compact, thermally enhanced substrate with one or more recessed pockets, is provided. The module includes a solid state light source and an electrical connection for the solid state light source, such that it is able to receive power so as to generate light. The solid state light source is connected to a substrate having an upper surface and a lower surface. The substrate includes a recessed pocket in the upper surface, defined by a wall and a floor that are at least large enough to accommodate the solid state light source; thus, the solid state light source sits within the recessed pocket. This allows the module to be substantially flat, even with an attached optical system, even utilizing remote phosphor technology, and increases the amount of heat dissipated by a thermal management system that is part of, or connected to, the module. | 02-07-2013 |
20130039032 | LIGHT EMITTING DEVICE AND LCD BACKLIGHT USING THE SAME - The present invention provides a light emitting device which comprises blue and red light emitting diode (LED) chips and at least one phosphor for emitting green light by means of light emitted from the blue LED chip, and an LCD backlight including the light emitting device. According to the light emitting device of the present invention, uniform white light can be implemented and both high luminance and wider color reproduction range can also be obtained. Accordingly, an LCD backlight for uniform light distribution on an LCD as well as low power consumption and high durability can be manufactured using the light emitting device. | 02-14-2013 |
20130039033 | Lensed Cable Light Systems - A light assembly includes an electroluminescent cable, an elongated lens, and a substantially planar substrate. The electroluminescent cable has an outer surface extending along a longitudinal dimension of the electroluminescent cable. The elongated lens extends along the longitudinal dimension of the electroluminescent cable and encloses at least a portion of the outer surface of the electroluminescent cable. The elongated lens is adapted to refract light emitted from the electroluminescent cable. The elongated lens structure is adhered to the substantially planar substrate. In certain instances, the substrate is a reflective substrate adapted to reflect light emitted from the electroluminescent cable. | 02-14-2013 |
20130044456 | ILLUMINATION DEVICE - An illumination device includes an irradiation unit having a light emitting element and fluorescent bodies excited by the light from the light emitting element to radiate light of different wavelengths. The irradiation unit irradiates composite light of blue, green and red lights having half value widths of 20-40 nm, 110-150 nm and 80-110 nm and peak wavelengths of 440-465 nm, 545-555 nm and 630-650 nm, respectively. If the output value of the light in a wavelength 435-465 nm is assumed to be 100%, the output values of the lights having wavelengths of 490, 530 and 639 nm fall within 46-56%, 59-77% and 75-93%, respectively. The ratio of the output value of the light of 630 nm to that of the light of 530 nm falls within 73-86%. | 02-21-2013 |
20130044457 | LIGHTING APPARATUS - The invention relates to a lighting apparatus comprising a conversion material ( | 02-21-2013 |
20130044458 | LIGHT AMPLIFICATION UNIT - A general purpose energy saving light amplification unit suitable as a lantern, guide light, background light, safety light, ornament or decorative object, said unit adapted to harness external surrounding ambient light, or other remote energy sources from at least two directions, employing a plurality of reflector members to receive and concentrate energy in order to luminesce or fluoresce an optimally placed mutually shared luminescent or fluorescent body member, lodged in a tapered or convergent section of a hyperbola or between at least two juxtaposed reflectors, stimulating photon and electron activity resulting in maximum amount of transmitted visible light from at least two directions, irrespective of receptive direction or angle of origin of light source. | 02-21-2013 |
20130050978 | ILLUMINATOR USING A COMBINATION OF PSEUDO-WHITE LED AND LENS SHEET - There is provided an illuminator comprising: a light source that radially emits white lights in a forward direction; and a lens sheet that is arranged facing the light source and that has a plurality of prisms on one side thereof concentrically at an optical axis so as to control orientation of the white lights that are emitted from the light source, wherein the light source is composed of: a luminous element that emits lights with a predetermined wavelength; and a sealing body that covers the luminous element and that includes phosphors therewith, the phosphors being adapted to receive the lights with the predetermined wavelength which are emitted from the luminous element so as to emit fluorescence, and the lens sheet includes prisms that have focal distances each different from the prisms adjacent thereto. | 02-28-2013 |
20130050979 | REDUCED PHOSPHOR LIGHTING DEVICES - A lighting device comprising a solid-state light source, and a diffuser configured for color mixing of the light from the solid-state light source and spatially separated therefrom, the diffuser comprising at least one phosphor material. Methods of fabricating a lighting device having a reduced total amount of phosphor comprising combining an amount of phosphor with a diffuser structure. | 02-28-2013 |
20130050980 | LUMINESCENT MATERIAL - According to one embodiment, the luminescent material emits light with an emission peak within a wavelength range of 490 to 580 nm when excited with light having a wavelength range of 250 to 500 nm and includes a particle containing a Sr | 02-28-2013 |
20130050981 | Method and Apparatus for Solid State Illumination - A light source includes two excitation light sources generating two respective excitation lights, a filter, and a wavelength conversion material. The second excitation light has a peak wavelength shorter than that of the first excitation light. The transmittance curves of the filter are dependent on the input angle. The first and second excitation lights are inputted to the filter at angles smaller than a first threshold angle, and angles between the first and a third threshold angle, respectively. Both excitation lights pass through the filter to excite the wavelength conversion material, which generates a converted light but reflects some of the excitation lights. Part of the reflected first excitation light reaches the filter at input angles greater than a second threshold angle and is reflected by the filter back to the wavelength conversion material for recycling. The third and second threshold angles are greater than the first threshold angle. | 02-28-2013 |
20130050982 | Method And Apparatus For A Light Source - A light-emitting device having a light source die mounted within an aperture is disclosed. The aperture is covered by a die attach pad on one side. The light source die is mounted on a die attach pad within the aperture. In one embodiment, an optical coupling layer can be formed within an aperture encapsulating a light source die. A wavelength converting layer can be formed on the substrate above the optical coupling layer. The wavelength converting layer can comprise a high density layer and a low density layer. The high density layer can comprise wavelength-converting material precipitated on one side of the wavelength converting layer. The low density layer can comprise the wavelength-converting material in particle form suspended within the wavelength converting layer. In one embodiment, the wavelength converting layer may be confined within the aperture of the substrate. | 02-28-2013 |
20130050983 | COMPOSITE GLASS PANE AS A HEAD-UP DISPLAY - Composite glass pane comprising at least
| 02-28-2013 |
20130058072 | LIGHT-SOURCE DEVICE - Disclosed is a light-source device that allows for the color recognition and can prevent a UV (ultraviolet)-sensitive illuminated object from becoming exposed. A user can freely select the wavelength of said light-source device in accordance with the intended use. The light-source device is provided with a light-source unit comprising a combination of a plurality of light-emitting diode elements that emit different wavelengths of light; a control unit that controls the output of each of the various light-emitting diode elements in the light-source unit independently of each other; and a power supply unit that supplies power to the light-source unit and the control unit. The plurality of light-emitting diode elements include, at least, a blue light-emitting diode element. The blue light-emitting diode element emits a blue light with a wavelength of at least above 420 nm. | 03-07-2013 |
20130063924 | SOLID STATE LIGHTING DEVICES HAVING REMOTE LUMINESCENT MATERIAL-CONTAINING ELEMENT, AND LIGHTING METHODS - A lighting device comprising a first group of solid state light emitters, an element containing luminescent material and a second group of solid state light emitters spaced from the element. In some embodiments, (1) at least 50% of light emitted by one of the first group does not mix with light emitted by the second group before the light emitted by the second group has entered the element, (2) at least 90% of exiting light emitted by the second group travels farther within the lighting device than 90% of exiting light emitted by the first group, (3) an average distance traveled by exiting light emitted by the second group is farther than an average distance traveled by exiting light emitted by the second group, and/or (4) light emitted by the first group directly exiting the lighting device exits the lighting device without being incident upon the element. | 03-14-2013 |
20130063925 | LUMINAIRE - The invention relates to a luminaire ( | 03-14-2013 |
20130063926 | PHOSPHORS - The invention relates to mixtures comprising at least one phosphor of the formula I, | 03-14-2013 |
20130070439 | COLOR CONVERSION OCCLUSION AND ASSOCIATED METHODS - A light converting device is described for receiving source light within a source wavelength range, converting the source light into a converted light, and reflecting the converted light to a desired output direction. The lighting device may use a color conversion occlusion to receive the source light and reflect a converted light in the desired output direction. The converted light may be intermediately reflected by the enclosure as it is directed in the desired output direction. | 03-21-2013 |
20130070440 | OLED Light Panel in Combination with a Gobo - A first device is provided. The first device may include a first light source comprising one or more organic light emitting devices and a gobo that is optically coupled to the first light source. The gobo may allow differential transmission of light emitted by different parts of the first light source so as to create a fixed variation in the light emitted by the first device. | 03-21-2013 |
20130070441 | LIGHT EMITTING DEVICE PACKAGE AND LIGHTING SYSTEM INCLUDING THE SAME - Provided are a light emitting device package and a lighting system including the light emitting device package. The light emitting device package includes a package body, at least one electrode on the package body, a light emitting device on the package body, a reflective structure around the light emitting device on the package body and a lens on the light emitting device and the electrode. | 03-21-2013 |
20130070442 | LIGHTING DEVICE - A lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface of the luminescent element being at least twice as large as the illumination surface of the light emitter. Also, a lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface of the luminescent element surface being at least twice as large as and substantially parallel to the illumination surface of the light emitter. Also, a lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface area of a projection of the luminescent element being at least twice as large as a surface area of a projection of the light emitter. | 03-21-2013 |
20130070443 | DOWN CONVERSION - The present invention relates inter alia to an array comprising i times j array elements, wherein the array elements may comprise at least one quantum dot and/or at least one photoluminescent compound. Further the present invention relates to devices comprising these arrays. The arrays and devices can be used to generate white light with high color purity. | 03-21-2013 |
20130077285 | LAMP - A lamp pertaining to the present invention has an envelope including a base. The envelope houses semiconductor light-emitting elements, a circuit unit lighting the semiconductor light-emitting elements, and a light-guiding member. The light-guiding member has a hollow portion, and the circuit unit is housed in the hollow portion. The light-guiding member includes a light-receiving portion and a light-emitting portion connected to the light-receiving portion. The light-guiding member is held within the envelope such that the light-emitting portion faces the semiconductor light-emitting elements. | 03-28-2013 |
20130083509 | IMAGE GENERATING DEVICE WITH IMPROVED ILLUMINATION EFFICIENCY - An image generating device includes a first light source, a light conversion element, and an image generating element. The first light source is for generating light with a first wavelength. The light conversion element is disposed on a light path of the light with the first wavelength. The light conversion element includes a first quantum dot layer for converting light with wavelengths under a second wavelength to light with the second wavelength, and a second quantum dot layer for converting light with wavelengths under a third wavelength to light with the third wavelength. The first wavelength is smaller than the second wavelength, and the second wavelength is smaller than the third wavelength. The image generating element is for generating images according to light transmitted from the light conversion element. | 04-04-2013 |
20130083510 | LIGHTING DEVICE - A lighting device may be provided that includes: a light emitting device; and an optical exciter which is disposed over the light emitting device and emits light excited by the light emitted from the light emitting device, wherein the optical exciter includes at least one of a yellow fluorescent material, a green fluorescent material and a red fluorescent material, wherein the optical exciter moves over the light emitting device, and wherein a color temperature of the light emitted from the optical exciter varies according to the movement of the optical exciter. | 04-04-2013 |
20130088848 | SOLID-STATE LAMPS WITH IMPROVED RADIAL EMISSION AND THERMAL PERFORMANCE - A solid-state lamp comprises: one or more solid-state light emitting devices (typically LEDs); a thermally conductive body; at least one duct; and a photoluminescence wavelength conversion component remote to the one or more LEDs. The lamp is configured such that the duct extends through the photoluminescence wavelength conversion component and defines a pathway for thermal airflow through the thermally conductive body to thereby provide cooling of the body and the one or more LEDs. | 04-11-2013 |
20130088849 | SOLID-STATE LAMPS WITH IMPROVED RADIAL EMISSION AND THERMAL PERFORMANCE - A solid-state lamp comprises: one or more solid-state light emitting devices (typically LEDs); a thermally conductive body; at least one duct; and a photoluminescence wavelength conversion component remote to the one or more LEDs. The lamp is configured such that the duct extends through the photoluminescence wavelength conversion component and defines a pathway for thermal airflow through the thermally conductive body to thereby provide cooling of the body and the one or more LEDs. | 04-11-2013 |
20130088850 | POLYHEDRON, ROTATIONAL ARRANGEMENTS, LIGHT SOURCE ARRANGEMENTS, A LIGHT SOURCE DEVICE, A LIGHTING DEVICE, A THREE-DIMENSIONAL BODY AND PROJECTORS - According to an embodiment, a polyhedron may be provided. The polyhedron may include a first luminescent face; and a second luminescent face. | 04-11-2013 |
20130088851 | LIGHTING MODULE AND LIGHTING DEVICE THEREOF - A lighting device is provided, which includes a substrate, at least one lighting element and at least one optical element. The lighting element is disposed on the substrate, wherein the lighting element produces light. The optical element, disposed on a light-emitting path of the light, wherein the optical element includes a base and a refractive portion. The base includes a first end and second end, wherein the second end is thinner than the first end. The refractive portion is connected to the second end of the base, wherein the refractive portion includes a curved surface. | 04-11-2013 |
20130088852 | ILLUMINATION APPARATUS - The wavelength conversion member includes a plurality of fluorescent members that absorb the excitation light and emit fluorescent light having a peak wavelength different from the peak wavelength of the excitation light. The wavelength conversion member has a surface irradiated with excitation light that faces an excitation light emitting surface of the excitation light source. The optical axis passes the center of the surface irradiated with excitation light. The plurality of fluorescent members are arranged in a divisional manner at such proportions that a circumferential area ratio, which is defined as the ratio of area occupied by each of the fluorescent members in a concentric annular region having a center located at the center of the surface irradiated with excitation light on the surface irradiated with excitation light of the wavelength conversion member, is substantially constant irrespective of the radius of the concentric annular region. | 04-11-2013 |
20130088853 | ILLUMINATION DELIVERY SYSTEM FOR GENERATING SUSTAINED SECONDARY EMISSION - An illumination delivery system for generating sustained secondary emission that includes at least an illumination source, a waveguide, and one or more energy conversion layers is disclosed. Also disclosed are methods of using the inventive illumination delivery system for generating sustained secondary emission. | 04-11-2013 |
20130094176 | WAVELENGTH CONVERSION COMPONENT WITH IMPROVED PROTECTIVE CHARACTERISTICS FOR REMOTE WAVELENGTH CONVERSION - A wavelength conversion component for remote wavelength conversion is described in which a wavelength conversion layer is sandwiched between two light transmissive hermetic substrates. The light transmissive hermetic substrates form a barrier that protects the wavelength conversion layer from exposure to external environmental conditions. In some approaches, the wavelength conversion component further includes a sealant material disposed around an outer edge of the sandwich structure, where the sealant material hermetically seals an outer edge wavelength conversion layer. | 04-18-2013 |
20130094177 | WAVELENGTH CONVERSION COMPONENT WITH IMPROVED THERMAL CONDUCTIVE CHARACTERISTICS FOR REMOTE WAVELENGTH CONVERSION - A wavelength conversion component for a light emitting device comprising at least one light emitting solid-state light source includes a wavelength conversion layer comprising photo-luminescent material and a light transmissive thermally conductive substrate in thermal contact with a surface of the wavelength conversion layer. | 04-18-2013 |
20130094178 | WAVELENGTH CONVERSION COMPONENT HAVING PHOTO-LUMINESCENCE MATERIAL EMBEDDED INTO A HERMETIC MATERIAL FOR REMOTE WAVELENGTH CONVERSION - Disclosed are improved wavelength conversion components having photo-luminescent materials embedded into a hermetic material. Phosphor materials are embedded into a layer of glass, which is then utilized in a remote phosphor LED lighting apparatus. Methods for manufacturing these advanced wavelength conversion components are also described. | 04-18-2013 |
20130094179 | SOLID-STATE LIGHT EMITTING DEVICES WITH MULTIPLE REMOTE WAVELENGTH CONVERSION COMPONENTS - A light emitting device comprises a solid-state light source; a first wavelength conversion component comprising a first photo-luminescent material and a second wavelength conversion component comprising a second photo-luminescent material. At least the second wavelength conversion component is remote to the solid state light source and the first wavelength conversion component is closer in proximity to the solid-state light source and smaller in area than the second wavelength conversion component. | 04-18-2013 |
20130094180 | COATED DIFFUSER CAP FOR LED ILLUMINATION DEVICE - The present disclosure provides an illumination device. The illumination device includes a light emitting device (LED) on a substrate. A heat sink is thermally connected to the LED device. A cap is secured over the substrate and covers the LED device. The cap includes a coating material that comprises both diffusion and reflection characteristics. | 04-18-2013 |
20130094181 | Phosphor Device and Lighting Apparatus Comprising the Same - A phosphor device comprising a carrier member having upper and lower faces; a reflecting member having a side surface portion and a bottom portion, the reflecting member being arranged at the upper face of the carrier member; a phosphor layer being embedded in the reflecting member; a transmitting member having a first end face and a second end face, the transmitting member being arranged on the phosphor layer, wherein the first end face of the transmitting member completely covers the top portion of the phosphor layer. | 04-18-2013 |
20130094182 | Light Source Unit with Phosphor Element - A light source unit comprising: a pump light source ( | 04-18-2013 |
20130100639 | HIGH LUMINANCE MULTICOLOR ILLUMINATION DEVICES AND RELATED METHODS AND PROJECTION SYSTEM USING THE SAME - An illumination device and a projection system using the same. The illumination device includes two or more color channels each including one or more light sources for generating a color light. At least one of the color channels includes light sources of a first type for generating a first (narrow band) light and light sources of a second type for generating a second light. The dominant wavelengths of the first and second lights are within 50 nm of each other, and the width of the combined spectrum (sum of normalized spectra of the first and second lights) is greater than the width of the spectrum of the first light by at least 10 nm. A wavelength-based light combiner is used to combine the color lights from the color channels into a combined light | 04-25-2013 |
20130100640 | U-SHAPED LED ENERGY SAVING LAMP - The present patent application discloses a U-shaped LED energy saving lamp, comprising a lamp base; a drive shell that has a drive provided therein is arranged on the lamp base, the drive shell being made of heat-conducting plastic embedded with metal or simply made of heat-conducting plastic material; the drive shell is engaged with the U-shaped lampshade, inside of which a substrate electrically connected with the drive is provided, and the substrate has LED assemblies mounted thereon. The LED lamp according to the present patent application not only effectively realizes that the LED lamp irradiates with light in an angle of larger than 330 degree but also evenly irradiates without the problem of glaring, and the heat dispersion performance thereof is excellent. | 04-25-2013 |
20130100641 | LED Lamp - The present patent application discloses a LED lamp, including a substrate on which LED assemblies are mounted, the surface of LED assemblies being covered with transparent heat conductor and having blocking wall arranged around; the LED assemblies are further coupled with a transparent lampshade that has a reflective ring provided thereon, the LED assemblies are disposed in a sealed cavity constituted by the substrate and the transparent lampshade, and the phosphor mixture provided on the transparent lampshade is separated from the LED assemblies. | 04-25-2013 |
20130100642 | LIGHT-DIFFUSION LED LAMP - The light-diffusion LED lamp according to the present patent application includes LED blue light chips and light-guiding column, wherein a substrate of the LED blue light chips is provided with a blocking wall made of reflective heat-conducting materials, chips thereof are provided within the blocking wall, and the upper surface of the substrate within the blocking wall is covered with a transparent heat-conducting layer. The lower portion of the transparent light-guiding column is attached with a cover plate, the bottom surface of which is provided with stepped grooves that match with the LED blue light chips, the side wall of the second stepped groove thereof and the upper surface of the cover plate are provided with a light reflective layer, the top surface of which is covered with a fluorescent layer, and the top portion of the transparent light-guiding column has a reflective structure mounted thereon. | 04-25-2013 |
20130100643 | Light source unit, an illuminating device equipped with the light source unit and medical equipment - The present invention relates to a light source unit having at least one LED sub light source unit. Each LED sub light source unit includes three types of LEDs: phosphor converted green LED, orange-red LED with a wavelength of 614 nm-622 nm, and blue LED with a wavelength of 460 nm-476 nm. Light generated by the three types of LEDs is mixed to generate white light. | 04-25-2013 |
20130100644 | LIGHT SOURCES SYSTEM AND PROJECTION DEVICE USING THE SAME - This invention provides a light source system and a projection device. The light source system includes an excitation light source for generating a excitation light, a wavelength conversion device, a supplemental light source for generating a supplemental light, a light introducing device for directing the supplemental light to the wavelength conversion device, a light collection device for collecting the supplemental light that scattered and reflected by the wavelength conversion device. By setting the relative sizes of the light introducing device and the light collection device, the luminous flux of the supplemental light that is lost due to the light introducing device is less than or equal to a quarter of that the luminous flux of the supplemental light collected by the light collection device. The converted light is supplemented by the supplemental light. | 04-25-2013 |
20130100645 | LED LIGHT BULB - In one embodiment, an LED light bulb includes an LED module, a base portion on which the LED module is disposed, and a glove attached to the base portion. The LED module includes an ultraviolet to violet light-emitting LED chip mounted on a substrate. A lighting circuit and a bayonet cap are provided in and on the base portion. A fluorescent film is provided on an inner surface of the glove, and emits white light by absorbing ultraviolet to violet light emitted from the LED chip. The fluorescent film has a film thickness in a range of 80 to 800 μm. In the LED light bulb, an amount of ultraviolet light which leaks from the glove is 0.1 mW/nm/lm or less. | 04-25-2013 |
20130107496 | Socketable LED Light Bulb | 05-02-2013 |
20130114241 | LIGHTING DEVICE PROVIDING IMPROVED COLOR RENDERING - The present disclosure relates to lighting device configurations that render colors well and provide high quality white light. | 05-09-2013 |
20130114242 | SOLID STATE LIGHTING DEVICE INCLUDING MULTIPLE WAVELENGTH CONVERSION MATERIALS - A solid state lighting device includes a solid state light emitter combined with a lumiphor to form a solid state light emitting component, at least one lumiphor spatially segregated from the light emitting component, and another lumiphor and/or solid state light emitter. The solid state light emitting component may include a blue shifted yellow component with a higher color temperature, but in combination with the other elements the aggregated emissions from the lighting device have a lower color temperature. Multiple white or near-white components may be provided and arranged to stimulate one or more lumiphors spatially segregated therefrom. | 05-09-2013 |
20130114243 | CEILING FIXTURE - A ceiling fixture including a first heat dissipation structure, a circuit board and a flexible light source is provided. The first heat dissipation structure has a curved surface, a containing cavity and a plurality of heat dissipation channels. Each heat dissipation channel is connected to the containing cavity and the external environment. The circuit board is disposed in the containing cavity and contacts the first heat dissipation structure. The flexible light source is disposed on the curved surface. | 05-09-2013 |
20130120963 | LOW PROFILE LIGHT HAVING CONCAVE REFLECTOR AND ASSOCIATED METHODS - A luminaire to be carried by a lighting fixture. The luminaire may include a housing, a primary optic disposed within the housing having a reflective inner surface defining an optical chamber, a light source, and a heat sink defining an aperture through which light may propagate. The light source may include a plurality of light-emitting diodes (LEDs). The luminaire may further include a secondary optic positioned adjacent to the light source that may collimate and/or refract light emitted by the light source, and may form a seal between the light source and the optical chamber. The luminaire may further include a color conversion layer configured to change the color of light emitted by the light source. | 05-16-2013 |
20130120964 | ALUMINATE PHOSPHORS - The invention relates to compounds of the general formula (I) SrLu | 05-16-2013 |
20130120965 | SINGLE CHAMBER LIGHTING DEVICE - A lighting device ( | 05-16-2013 |
20130128492 | LIGHTING DEVICE - There is provided a high brightness lighting device ( | 05-23-2013 |
20130128493 | ILLUMINATION DEVICE - An illumination device with a toning function in which possibility of moisture and dust intruding into the case is reduced with a simple mechanism is realized. The illumination device includes a light emitting element light source ( | 05-23-2013 |
20130141891 | LIGHTING DEVICE INCLUDING LIGHT-EMITTING ELEMENT - In accordance with a first aspect of the present inventive subject matter, a lighting device includes light-emitting elements arranged in lines that are extended in parallel with one another, the light-emitting elements being divided into groups each including the same number of light-emitting elements, a first connecting electrode is disposed adjacent to one end portion of the lines extended, a second connecting electrode is disposed adjacent to another end portion of the lines extended, and the light-emitting elements within each group are electrically connected in series with one another by metallic wires and electrically connected in series to the first connecting electrode and to the second connecting electrode. The groups each include the same number of light-emitting elements that are electrically connected in parallel between the first connecting electrode and the second connecting electrode. | 06-06-2013 |
20130141892 | LAMP AND LIGHTING APPARATUS - Provided is a lamp capable of suppressing an increase in temperature of a semiconductor light-emitting device, such as LED. A lamp according to the present invention is a lamp in which gas is enclosed, the lamp includes: a globe; and a light-emitting module which is housed in the globe and includes a base board and an LED disposed on the base board. The gas in the lamp is enclosed in the globe, the gas surrounding the light-emitting module and containing one of hydrogen, helium, and nitrogen. | 06-06-2013 |
20130148328 | LIGHTING DEVICE - A lighting device may include a heat sink and a mounting surface provided a prescribed distance over the heat sink. A plurality of light emitting diodes may be provided on the mounting surface. The plurality of light emitting diodes may be positioned a prescribed distance from a point on the mounting surface. An enclosure having a prescribed shape may be provided over the mounting surface and the plurality of light emitting diodes. The enclosure may include luminescent material such that a wavelength of light emitted by the enclosure is different from a wavelength of light emitted by the plurality of light emitting diodes. A bulb may be provided over the heat sink to surround the enclosure. | 06-13-2013 |
20130155646 | LED TUBULAR LAMP - A LED tubular lamp has a luminous tube, a center column, a plurality of LED chips, fixtures, connective plates and lamp heads; a plurality of grooves are provided on the center column, materials having high reflectivity are provided on the grooves, the plurality of LED chips are arranged on the grooves so as to form a light source with 360-degree light irradiation, the center column is provided in the luminous tube and fixedly connected to lamp heads via the fixtures and the connective plates. The LED tubular lamp can emit light at an angle of 360 degrees, thereby increasing the range of the irradiation of the luminous tube, making light more even and the problem of glaring being solved. | 06-20-2013 |
20130155647 | LIGHTING DEVICE - A lighting unit emits light with an intensity in the wavelength from 430 to 510 nm that is maximum at 460 nm and minimum in the range from 490 to 500 nm, an intensity in the wavelength from 510 to 600 nm that is maximum in the range from 530 to 545 nm and minimum in the range from 570 to 580 nm, and an intensity in the wavelength of 600 nm or greater that is maximum in the range from 620 to 640. The lighting unit illuminates meat with light having a feeling of contrast index (FCI) of 135 to 145 and the illuminated meat has a metric hue angle from 54 to 56 and a color shift Duv from 0 to 5. | 06-20-2013 |
20130155648 | COLOUR-TUNABLE LIGHT SOURCE UNIT WITH PHOSPHOR ELEMENT - The invention concerns a light source unit of tunable spectral properties, having a pump light source and a phosphor element for a conversion of pump light into converted light intended for illuminating a target, wherein the phosphor element has at least two phosphor element sections interacting differently with pump light, and wherein the light source unit further comprises a deflecting unit, such as a zoom lens or a variable diffraction grating, for deflecting the pump light so as to vary a distribution of pump light incident onto the phosphor element with respect to the different phosphor element sections, in order to vary spectral properties of the combined converted light beam emanating from the light source unit. | 06-20-2013 |
20130155649 | Phosphor Device and Lighting Apparatus Comprising the Same - A phosphor device ( | 06-20-2013 |
20130163224 | ILLUMINATION SYSTEM AND WAVELENGTH-TRANSFORMING DEVICE THEREOF - An illumination system includes a wavelength-transforming device, a solid-state light-emitting element and a filter wheel. The wavelength-transforming device comprises a segment and a wavelength-transforming element disposed on the segment. The solid-state light-emitting element emits first color light in first waveband region to the wavelength-transforming device. The filter wheel is disposed on one side of the wavelength-transforming device for filtering lights via rotating. The first color light is excited as second color light in second waveband region by the wavelength-transforming device, so that the second color light is outputted with the rest of the first color light. The first and second color lights are transmitted through the filter wheel, such that three primary color lights are sequentially projected. The present invention achieves the advantages of reducing cost, simplifying fabricating processes, being available for high working temperature, and further improving image quality without using red phosphor agent or red solid-state light-emitting element. | 06-27-2013 |
20130163225 | WAVELENGTH CONVERTING DEVICE AND LIGHT EMITTING DEVICE USING THE SAME - Provided is a wavelength converting device having excellent optical output. | 06-27-2013 |
20130170174 | MULTI-CAVITIES LIGHT EMITTING DEVICE - A Multi-Cavities light emitting device includes a base, a blue light emitting unit, at least two red light emitting units, a light conversion layer and a lens, and the base has a central slot and at least two side slots symmetrically formed on external sides of the central slot, and the blue light emitting unit is installed in the central slot, and the two red light emitting units are installed in the two side slots respectively, and the light conversion layer is covered onto the blue light emitting unit, and the lens is protruded from the base and sealed onto the central slot and at least two side slots, so as to achieve the effects of improving the light extraction efficiency of an LED chip and the yield rate of the product and reducing the overall assembling time and cost. | 07-04-2013 |
20130170175 | LAMP WITH LED ARRAY - A lamp with an LED array is disclosed. The centralized nature of the LEDs allows the LEDs to be configured in a filament-like way using a supporting power structure, near the central portion of the optical envelope of the lamp. In example embodiments, the LEDs are cooled by a fluid medium to enable the LEDs to maintain appropriate mechanical stability and operating temperature. In some embodiments, the lamp operates at a power of at least 5 watts. Since the LED array can be centralized to form a filament-like structure, the light pattern from the lamp is not adversely affected by the presence of a heat sink or mechanical supporting parts. In some embodiments, phosphor is used provide wavelength conversion. The phosphor can be suspended within the optically transmissive fluid medium, placed remotely in the lamp structure, or applied to un-encapsulated LED die. | 07-04-2013 |
20130170176 | LIQUID COOLED LED SYSTEMS - Liquid cooled LED systems are disclosed. Embodiments of the invention provide an LED lighting system in which the LED devices are cooled by circulating liquid or fluid. In example embodiments, a flow return member provides a way for a fluid medium to enter and exit an envelope containing the LED devices. An additional cooling mechanism, such as a radiator or thermoelectric cooler can be provided. The optically transmissive fluid medium can be, for example, oil or a fluorinated or halogenated liquid or gel, and can optionally provide index matching. The fluid medium can optionally include a phase change material in order to enhance cooling. In some embodiments, a pump is used to circulate the fluid medium. However, the optical envelope and/or the flow return member could also be oriented so that the fluid medium circulates by gravity and/or temperature difference. | 07-04-2013 |
20130170177 | Three-Dimensional Display for Displaying Volumetric Images - An apparatus including a three-dimensional display, for displaying volumetric images, including a three-dimensional non linear photoluminescent medium defining a display volume and including nanostructures distributed throughout the display volume; and a scanner configured to scan an output volume, where a first photon flux and a second photon flux meet, in three dimensions within the display volume. | 07-04-2013 |
20130170178 | LIGHT SOURCE MODULE AND ILLUMINATION APPARATUS HAVING THE SAME - A light source module including: a cover unit having a pipe structure with one open end or two open ends; a cap unit coupled to the one open end or two open ends of the cover unit; a light source unit including a light emitting device, the light source unit mounted on the cap unit and covered by the cover unit; and a wavelength conversion unit disposed in an internal space of the cover unit and coupled to the light source unit while covering the light emitting device, the wavelength conversion unit converting a wavelength of light emitted from the light emitting device to allow the wavelength-converted light to be emitted through the cover unit. | 07-04-2013 |
20130170179 | WAVELENGTH CONVERSION ELEMENT AND LIGHT SOURCE PROVIDED WITH SAME - A light source using a wavelength conversion member is increased in brightness. A wavelength conversion element | 07-04-2013 |
20130176707 | Modular LED Space Light - A modular light emitting diode (LED) space light including a top plate including a top plate slot; a bottom plate including a bottom plate slot; at least one module having at least one light emitting diode (LED), wherein the at least one module is adapted to fit between the top plate and the bottom plate correspondingly in the top plate slot and the bottom plate slot; and at least one passive heat sink coupled to the at least one module to dissipate heat generated by the at least one LED. | 07-11-2013 |
20130182407 | TUBE TYPE LED LIGHTING ASSEMBLY - An LED lighting assembly includes a concave reflector, a supporter located in a central region of the concave reflector, and multiple LEDs mounted on the supporter. The supporter has a first face and a second face, and an angle is formed between the first face and the second face. | 07-18-2013 |
20130182408 | LIGHT EMITTING DEVICE PACKAGE - A light emitting device package is disclosed. The light emitting device package includes a light emitting device, a body that includes first and second lead frames electrically connected to the light emitting device and has a cavity disposed on the first and second lead frames, and a resin material that fills the cavity and includes a main material having a vinyl group (—CH═CH | 07-18-2013 |
20130182409 | LIGHT-EMITTING ARRANGEMENT WITH ORGANIC PHOSPHOR - The invention provides a light-emitting arrangement ( | 07-18-2013 |
20130182410 | REFLECTIVE COLOR PIXEL - A reflective color pixel includes a first sub-pixel and a second sub-pixel. The first sub-pixel is for generating a first color. A color conversion layer extends through the first sub-pixel and the second sub-pixel and is disposed in a waveguide. The color conversion layer contains a luminescent material, which converts a portion of light incident on the second sub-pixel into light of the first color. The waveguide guides the light of the first color generated by the luminescent material to the first sub-pixel for emission from the first sub-pixel. | 07-18-2013 |
20130188330 | DUAL CHARACTERISTIC COLOR CONVERSION ENCLOSURE AND ASSOCIATED METHODS - A light converting device includes a wide production conversion material and a narrow production conversion material to convert the source light into a first and second interim light, respectively. The conversion materials may be included in, or applied to, an enclosure. The first and second interim light may be included in a converted light. The converted light may be included with the source light to create a white light. The wide production conversion material may have wide absorption and scatter characteristics. The narrow production conversion material may have narrow absorption and scatter characteristics to substantially reduce inefficiencies caused by double conversion of light. | 07-25-2013 |
20130188331 | SOLID STATE CONTINUOUS WHITE LIGHT SOURCE - A solid state illumination system is provided as a replacement for conventional arc light, metal halide and Xenon white-light sources for applications in microscopy, fluorescence microscopy, and endoscopy. The solid state illumination system generates high quality white light output from LED light sources. The white light output is continuous in the visible spectrum from 380 nm to 650 nm and is suitable for imaging all the most common fluorophores and fluorescent proteins. In embodiments, an LED light pipe engine is used to generate a portion of the spectral content of the white light output. | 07-25-2013 |
20130188332 | ILLUMINATION APPARATUS FOR DAZZLE-FREE ILLUMINATION, METHOD, USE AND ARRANGEMENT COMPRISING THE ILLUMINATION APPARATUS - It is an object of the invention to provide an improved illumination apparatus for the dazzle-free illumination of a region monitored by a night vision instrument. | 07-25-2013 |
20130188333 | LED LIGHT BULB - In one embodiment, an LED light bulb includes an LED module, a base part on which the LED module is disposed, and a globe attached to the base part. The LED module includes an ultraviolet to violet light-emitting LED chip mounted on a surface of a substrate. The globe has a shape in which a cross section in a direction in parallel to the surface of the substrate is circular. A phosphor screen emitting white light by absorbing the ultraviolet to violet light emitted from the LED chip is provided on an inner surface of the globe. The globe has a shape in which a diameter D | 07-25-2013 |
20130188334 | LIGHT SYSTEM WITH INCREASED EFFICIENCY - A light system based on at least two chips, in particular LEDs containing chips, wherein a means for at least partially converting the radiation of a first chip is provided, wherein a layer containing a phosphor as conversion means is mounted in front of a first chip intended for the conversion, which phosphor-containing layer convers at least some of the primary radiation of the first chip into secondary radiation, wherein the second chip emits radiation with a greater wavelength than the first chip, wherein the layer is arranged spaced apart from the first chip, wherein the second chip is arranged in such a way that its radiation is substantially not absorbed by the phosphor. | 07-25-2013 |
20130194776 | METHOD AND DEVICE FOR ENHANCING SENSOR INDICATION - Devices and methods for providing sensor indication and enhancing sensor indication are disclosed. In one embodiment, a sensor indication is provided by sensing an operational status at a sensor circuit, generating a signal at the sensor circuit based on the sensed operational status, utilizing the signal to activate a light source, transmitting light into a first indicator layer with the light source, wherein the first indicator layer includes a fluorophore embedded within a substrate, and wherein the one or more fluorophores modify at least one characteristic of the transmitted light from the light source, and emitting the modified transmitted light from an end wall of the first indicator layer. | 08-01-2013 |
20130194777 | Luminescent Device for the Conversion of Pump Light - A luminescent device is disclosed comprising a luminescent substance for the conversion of pump light, wherein a scattering body which scatters the pump light is provided. The pump light input into the scattering body may first be scattered at inert scatterers provided in the scattering body and subsequently converted. Light scattered at luminescent particles may also be simultaneously converted. | 08-01-2013 |
20130194778 | SENSOR DEVICE WITH INDICATOR AND RELATED METHODS - Devices and methods for providing sensor indication are disclosed. The sensor device includes utilizing the signal to activate a light source, transmitting light into a first indicator layer with the light source, and the first indicator layer optionally includes a fluorophore. The indicator layer provides visibility of light around the sensor device. | 08-01-2013 |
20130194779 | LIGHTING SOURCE USING SOLID STATE EMITTER AND PHOSPHOR MATERIALS - A light emitting apparatus has a light source for emitting a first light in a forward direction. A wavelength-converting layer is spaced apart from the light source and disposed in a path of the first light. The wavelength-converting layer is configured to absorb at least a portion of the first light and emit a second light. A reflective layer is configured to be reflective of at least the second light, and the wavelength-converting layer is disposed between the reflective layer and the light source. | 08-01-2013 |
20130201654 | LIGHTING DEVICE AND METHOD OF MAKING LIGHTING DEVICE - A lighting device comprises a solid state light emitter on a circuit board, and an optic held in place relative to the first circuit board, a voltage drop across the emitter at least 60 volts. A lighting device comprises a solid state light emitter on a first circuit board, an optic held in place relative to the first circuit board, and a non-isolated power supply. A lighting device comprises a solid state light emitter on a first circuit board, and a flame-rated optic held in place relative to the first circuit board. An optic, comprising a translucent region, a first dimension not larger than about 10 mm, a second dimension not larger than 15 mm. A flame-rated optic comprising a translucent region, structure configured to hold the optic in place relative to a circuit board. Methods of making lighting devices. | 08-08-2013 |
20130201655 | LIGHT EMITTING DEVICE - A light emitting device comprises a light emitting element disposed within a space surrounded by a reflective surface of a reflector disposed on a board. A lower portion of the reflector is placed within a recess formed in the board, and a side wall of the recess is interposed between the lower end of the reflective surface of the reflector and the light emitting element. | 08-08-2013 |
20130208442 | LIGHTING DEVICE INCLUDING MULTIPLE WAVELENGTH CONVERSION MATERIAL LAYERS - A lighting device includes an electrically activated emitter, a first layer that contains a first lumiphoric material, and a second layer that contains a second lumiphoric material, with a textured interface between the first layer and the second layer. Additional lumiphoric material layers, spacer layers, and/or encapsulant layers may be provided. Multiple textured interfaces may be provided. Textured interfaces may be arranged as lenses, including Fresnel lenses. | 08-15-2013 |
20130208443 | Indirect excitation of photoreactive materials coated on a substrate with Spectrum Simulation - A remote phosphor light which simulates the spectrum of a specified real world light, e.g. a tungsten or a daylight bulb. | 08-15-2013 |
20130208444 | Rechargeable Self-Illuminating Sticks And Charging Devices For Charging The Same - A self-illuminating stick includes a phosphor embedded in a solidified polymeric binder. The phosphor can absorb energy to emit electromagnetic radiation having one or more of an ultraviolet wavelength, a visible light wavelength, and an infrared wavelength. A charging device for enclosing a self-illuminating stick and providing the self-illuminating stick with electromagnetic radiation to charge the phosphor is disclosed. | 08-15-2013 |
20130208445 | Modified bodipy dye matrix - The present disclosure is directed towards a modified BODIPY dye matrix, luminescence-based pixels, luminescence-based sub-pixels, and methods using a modified BODIPY dyes. The modified BODIPY dye matrix includes a modified BODIPY dye and a polymer matrix including a radiation absorber. | 08-15-2013 |
20130215596 | FLASH ILLUMINATION SYSTEM - Systems and methods for flash illumination are disclosed. In one aspect, a flash illumination system includes sections each including a light source and a reflector. Each of the light sources includes a single light-emitting region having a first centroid and a package surrounding the single light-emitting region. The package has an exit aperture having a second centroid. The first centroid can be laterally offset from the second centroid. The reflectors include an input aperture, an output aperture, and one or more sidewalls therebetween. The input aperture is optically coupled to the exit aperture. One or more sidewalls are configured to collimate light propagating from the light source. | 08-22-2013 |
20130215597 | COLOR-TUNABLE LIGHTING DEVICES AND METHODS FOR TUNING COLOR OUTPUT OF LIGHTING DEVICES - A lighting device ( | 08-22-2013 |
20130215598 | PHOTOLUMINESCENT NANOFIBER COMPOSITES, METHODS FOR FABRICATION, AND RELATED LIGHTING DEVICES - A photoluminescent nanofiber composite includes a nanofiber substrate, first luminescent particles, and second luminescent particles. The first luminescent particles are supported by the nanofibers and span at least a portion of a substrate surface, as a layer on the substrate surface, or with some particles located in a bulk of the substrate, or both. The second luminescent particles are disposed on the substrate. The second luminescent particles may be disposed directly on the substrate surface or on the first luminescent particles. The second luminescent particles may be deposited in a pattern of deposition units. The first and second luminescent particles are configured for emitting light of different respective wavelengths in response to excitation by a light beam. One or more surface treatment coatings may be provided at different locations. | 08-22-2013 |
20130215599 | LIGHTING DEVICES WITH COLOR-TUNING MATERIALS AND METHODS FOR TUNING COLOR OUTPUT OF LIGHTING DEVICES - A lighting device may include a housing interior, a light exit, a light source, and a light converter. Output light is outputted from the light exit by emitting primary light from the light source. In response, the light converter emits secondary light of one or more wavelengths different than the primary wavelength, and the output light includes a combination of the primary light and the secondary light. The color of the output light may be tuned by adjusting a color parameter of the output light. The adjustment includes adding a color tuning material at a location in the housing interior where primary light is incident on the color tuning material. The color tuning material is configured for emitting auxiliary light in response to the incident primary light. Subsequently, the lighting device produces color-tuned output light that includes a combination of the primary light, the secondary light and the auxiliary light. | 08-22-2013 |
20130229784 | Phosphor Sheet Having Tunable Color Temperature - A white-light emitter is disclosed, in which light from blue light-emitting diodes strikes an active area of a phosphor sheet. The active area absorbs a portion of the blue light and emits phosphor light in response to the absorbed blue light. The emitter includes a stretcher that controllably stretches the active area of the phosphor sheet. The white light output spectrum of the active area has a characteristic color temperature that increases as the phosphor sheet is stretched, and decreases as the phosphor sheet contracts. As the phosphor sheet is stretched, the thickness of the active area decreases, the received blue light encounters fewer phosphor particles within the active area, the absorbed portion of the blue light decreases, the emitted phosphor light decreases, and the active area has a white light output spectrum that becomes weighted more heavily toward the blue light and less heavily toward the phosphor light. | 09-05-2013 |
20130229785 | LED-BASED ILLUMINATION MODULE WITH PREFERENTIALLY ILLUMINATED COLOR CONVERTING SURFACES - An illumination module includes a color conversion cavity with multiple interior surfaces, such as sidewalls and an output window. A shaped reflector is disposed above a mounting board upon which are mounted LEDs. The shaped reflector includes a first plurality of reflective surfaces that preferentially direct light emitted from a first LED to a first interior surface of the color conversion cavity and a second plurality of reflective surfaces that preferentially direct light emitted from a second LED to a second interior surface. The illumination module may further include a second color conversion cavity. | 09-05-2013 |
20130229786 | LIGHTING DEVICE WITH REMOTE LUMIPHOR AND NON-PLANAR OPTICAL ELEMENT - A lighting device includes an electrically activated emitter, a lumiphoric material spatially segregated from the emitter, and an optical element arranged between the emitter and the lumiphoric material, wherein at least a portion of the optical element is curved or includes a non-planar shape. The optical element may include a reflective material disposed proximate to at least one peripheral edge and/or may include at least one peripheral edge that is non-perpendicular to a face of the optical element and arranged to reflect light in a direction toward the lumiphoric material. | 09-05-2013 |
20130229787 | PHOSPHOR ASSEMBLY WITH PHOSPHOR ELEMENT AND OPTICAL SYSTEM - This invention relates to a phosphor assembly with a phosphor element for converting pump light into converted light, and an optical system for transmitting converted light and/or pump light. Therein, a liquid immersion material is provided in a gap between the phosphor element and the optical system, wherein an excess of immersion material enables a continuous exchange of the material in the gap and thus provides a cooling. | 09-05-2013 |
20130235553 | ILLUMINATION DEVICE - The subject invention relates to an illumination device, comprising a lamp holder having a base; and a plurality of LED dies directly bonded on the base. The structure of the illumination device of the subject invention can eliminate unnecessary elements, reduce process time and further improve lighting efficiency. | 09-12-2013 |
20130235554 | BACKLIGHT DISPLAY USING PHOTOLUMINESCENT MATERIAL TUNED TO IMPROVE NVIS COMPATIBILITY - An NVIS-compatible backlight assembly for an LCD display comprising a short-wavelength (blue) light source positioned in a first layer and a photoluminescent layer positioned adjacent the first layer for transforming blue monochrome emission from the blue light source into tri-color light for use as a full-color light source, while minimizing radiance in NVIS-sensitive regions. | 09-12-2013 |
20130235555 | LIGHT EMITTING DEVICE, AND ILLUMINATION APPARATUS AND LUMINAIRE USING SAME - A light emitting device including multiple kinds of light emission units with different emission colors; a driver which drives the light emission units; and a cover member which is commonly provided for the multiple kinds of light emission units. The multiple kinds of light emission units include solid state light emitting elements of the same kind, and wavelength converters which cover the solid state light emitting elements, respectively, and convert wavelengths of lights emitted from the solid state light emitting elements into different wavelengths from each other. Further, the cover member contains a correction phosphor for correcting a chromaticity of light obtained by mixing lights emitted from the light emission units, to a predetermined chromaticity. | 09-12-2013 |
20130235556 | LED-BASED ILLUMINATION MODULES WITH THIN COLOR CONVERTING LAYERS - An illumination module includes a plurality of Light Emitting Diodes (LEDs). The illumination module may include a reflective color converting element with a PTFE layer and a color converting layer fixed to the PTFE layer. The color converting layer includes phosphor particles embedded in a polymer matrix and has a thickness that is less than five times an average diameter of the phosphor particles. The illumination module may include a transmissive color converting element. The color converting elements may be produced by mixing a polymer binder with a solvent and phosphor particles to form a homogeneous suspension of the phosphor particles. The homogeneous suspension is applied to a surface to form an uncured color converting layer, which is heated to vaporize the solvent. The cured color converting layer includes the phosphor particles suspended in the polymer binder | 09-12-2013 |
20130235557 | LED LIGHT SOURCE AND ASSOCIATED STRUCTURAL UNIT - An LED light source includes a primary light source, in particular at least one blue- or UV-emitting semiconductor chip, the radiation of which is converted partly or completely into longer-wave radiation by a conversion element fitted at a distance, said conversion element being disposed as a dome ahead of the primary light source, wherein the dome is a section of an oblate body having an equator and a pole, wherein the pole points in the direction of the optical axis, wherein the oblate body is flattened in the direction toward the pole relative to the direction toward the equator, and wherein the oblate body is equipped with a converting phosphor layer. | 09-12-2013 |
20130242532 | LUMINAIRE - According to one embodiment, a luminaire includes a light-emitting part to emit a blue light with a peak wavelength of 430 nanometers or more and less than 460 nanometers, and a phosphor that is excited by the emitted light of the light-emitting part and emits a light having a color different from blue. In an emission spectrum including the emitted light of the light-emitting part and the light emitted from the phosphor, an intensity peak in a range of a light wavelength of 430 nanometers to 490 nanometers is in a range of a wavelength of 470 nanometers to 490 nanometers. | 09-19-2013 |
20130242533 | METHOD AND APPARATUS FOR A COLOR FILTER - A method and apparatus for a color filter that utilizes a wavelength conversion material such as phosphor to filter an input light. The input light contains unwanted shorter wavelength light and wanted longer wavelength light. The wavelength conversion material converts the light in the unwanted shorter wavelength range to the wanted longer wavelength range, and transmits the light in the wanted longer wavelength range, to generate an output light in the longer wavelength range. The filter may be a transmissive type of a reflective type. The filter may be constructed as a moving filter such as a rotating wheel. | 09-19-2013 |
20130242534 | PROJECTOR LIGHT SOURCE AND SYSTEM, INCLUDING CONFIGURATION FOR DISPLAY OF 3D IMAGES - An illuminator for an imaging system using a spatial light modulator has first color laser light directed by a dichroic element to a rotating member. The rotating member includes phosphor segments that respond to illumination by the first color light to emit second and third color light along a first path to the dichroic element for output, and a light transmitting segment that passes the first color through the rotating member along a second path to the dichroic element for output. In a 3D imaging mode, the first color laser light includes light of two wavelengths, and the phosphor segments include segments that emit second and third color light each of two wavelengths. The output light is directed to a second rotating member which has segments that selectively transmit one wavelength of each color, blocking the other wavelength. The second rotating members can optionally be operated to pass wavelengths of each color to form right and left images that can be viewed using corresponding passive right and left image filtering eyewear. | 09-19-2013 |
20130242535 | AC LED ARRAY MODULE FOR STREET LIGHT APPLICATIONS - A street light includes a pole, arm and a head attached to the pole, wherein the head comprises a light source having a plurality of solid state light emitting devices and an optical element configured to produce a light distribution pattern from light emitted from the solid state light emitting devices, wherein the light source is configured to be powered directly from an AC source. | 09-19-2013 |
20130242536 | METHOD OF MANUFACTURING A PART OF A COLOR RING AND A PART OF A COLOR RING | 09-19-2013 |
20130250544 | CERAMIC WAVELENGTH-CONVERSION PLATES AND LIGHT SOURCES INCLUDING THE SAME - A wavelength-conversion plate is described herein. The wavelength conversion plate may include a converter of a first ceramic material and a reflector of a second ceramic material. The first ceramic material converts the primary light emitted by a light source such as a light emitting diode (LED) into a secondary light and the second ceramic material reflects the secondary light emitted by said converter. Preferably, the converter is inlaid into the reflector so that the reflector surrounds an outer edge of the converter. Such a configuration has an advantage of reducing unwanted side emissions from the converter. | 09-26-2013 |
20130250545 | Lighted Wand With Integrated Electronics - A wand for visual communication comprising an elongated handle having an interior region, an elongated optical element having an interior region composed of light transparent material configured for joinder to the handle, and lighting disposed in the interior region and in communication with a control circuit. The control circuit comprises a controller configured to energize said lighting in response to user input and sensor input. | 09-26-2013 |
20130250546 | LIGHT SOURCE - A light source comprising an excitation light source ( | 09-26-2013 |
20130258636 | LED Lamp Using Blue and Cyan LEDs and a Phosphor - Many thousands of micro-LEDs (e.g., 25 microns per side) are deposited on a substrate. Some of the LEDs are formed to emit a peak wavelength of 450 nm (blue), and some are formed to emit a peak wavelength of 490 nm (cyan). A YAG (yellow) phosphor is then deposited on the LEDs, or a remote YAG layer is used. YAG phosphor is most efficiently excited at 450 nm and has a very weak emission at 490 nm. The two types of LEDs are GaN based and can be driven at the same current. The ratio of the two types of LEDs is controlled to achieve the desired overall color emission of the LED lamp. The blue LEDs optimally excite the YAG phosphor to produce white light having blue and yellow components, and the cyan LEDs broaden the emission spectrum to increase the CRI of the lamp while improving luminous efficiency. Other embodiments are described. | 10-03-2013 |
20130258637 | WAVELENGTH-CONVERTING STRUCTURE FOR A LIGHT SOURCE - A wavelength-converting structure for a light module including a solid-state light source. The wavelength-converting structure includes a plurality of apertures formed therein. The plurality of apertures may be configured to increase conversion efficiency of the wavelength-converting structure or color uniformity. | 10-03-2013 |
20130258638 | WAVELENGTH-CONVERTING STRUCTURE FOR A LIGHT SOURCE - A wavelength-converting structure for a light module including a solid-state light source. The wavelength-converting structure includes a pattern of discrete wavelength-converting sections of wavelength-converting material formed therein, wherein each wavelength-converting section is separated from adjacent wavelength-converting sections by at least one transmissive section. The wavelength-converting sections are comprised of a wavelength-converting material such as a phosphor that converts at least a portion of the light emitted by the solid-state light source into light having a different peak wavelength. | 10-03-2013 |
20130258639 | PROJECTION SYSTEM, LIGHT SOURCE SYSTEM AND LIGHT SOURCE ASSEMBLY - Provided is a projection system, a light source system, and a light source assembly. The light source system ( | 10-03-2013 |
20130265742 | LIGHT EMITTING MODULE AND DISPLAY DEVICE HAVING THE SAME - A light emitting module including a board, a plurality of light emitting devices on the board, a resin disposed on the plurality of light emitting devices, and a phosphor film on the resin and extending along areas between the light emitting devices, wherein the light emitting devices are spaced from each other by a predetermined distance, wherein the phosphor film is divided into parts, the parts having different phosphors being one of a red phosphor, a green phosphor or a blue phosphor and corresponding respectively to the light emitting devices, and wherein the divided phosphor films are connected to each other and makes a continuous phosphor film layer. | 10-10-2013 |
20130271952 | LED Backlight Source - The present invention provides an LED backlight source, which includes a printed circuit board, a plurality of LED lights mounted to and electrically connected to the printed circuit board, an LED lens mounted to the printed circuit board, and fluorescent powder. The LED lens is set above and covers the plurality of LED lights. Each of the LED lights includes a carrier frame, a light-emitting chip mounted in the carrier frame, and an encapsulation resin that encapsulates the light-emitting chip in the carrier frame. The fluorescent powder is mounted to the LED lens. The present invention provides an LED backlight source, which arranges fluorescent powder and encapsulation resin in a separate manner so as to realize adjustability of chromaticity of the LED lights chromaticity and improve yield rate of manufacture. | 10-17-2013 |
20130271953 | ILLUMINATION MODULE - An illumination module is provided, and includes a case, a light-transmitting window and a light source module. The case includes a top plate having an opening. The light-transmitting window covers the opening of the top plate. The light source module includes a light guide element, a first reflective sheet, a second reflective sheet, at least one light source and a fluorescence member. The light guide element includes a light incident surface, a light-exiting surface, a first reflective surface and a second reflective surface. The first reflective sheet and the second reflective sheet are disposed on the first reflective surface and the second reflective surface respectively. A light-emitting surface of the light source faces the light incident surface of the light guide element. At least one section of the fluorescence member faces the light-exiting surface of the light guide element. | 10-17-2013 |
20130271954 | LIGHT SOURCE SYSTEM AND IMAGE PROJECTION SYSTEM - A light source system using an excitation light source and a multi-segmented color wheel device with wavelength conversion materials is disclosed. The color wheel device includes a first area having two or more first segments and a second area having two or more second segments for receiving the excitation light. The color wheel device is driven by the driving device periodically, so that a first light sequence is generated by the two or more first segments in the first working mode and a second light sequence is generated by the two or more second segments in the second working mode. The first light sequence is different from the second light sequence. The first and second working modes are switched by a switching device. The light source system may be used in image projection system generating two or more different lights sequences in different working modes. | 10-17-2013 |
20130271955 | Lighting device with polymer containing matrices - The invention provides a lighting device ( | 10-17-2013 |
20130279149 | LED LIGHT BULB - The instant disclosure relates to an LED light bulb, which includes a cap, a glass bulb, an LED module, an optical element, and a power supply module. The glass bulb is disposed on one end of the cap to cooperatively define an accommodating space. The LED module, used for emitting a first light having a first bandwidth, is received inside the accommodating space. To guide the first light, the optical element is received inside the accommodating space and located at a light path of the LED module. The optical element has a light guiding portion and a wavelength transformation portion used for changing the bandwidth of the emitted light from the LED module. The light guiding portion and the wavelength transformation portion are connected seamlessly to each other. The power supply module is disposed inside the cap and electrically connected to the LED module and the cap. | 10-24-2013 |
20130279150 | LED LIGHT EMITTING APPARATUS HAVING A LIGHT GUIDING DEVICE TO ACHIEVE A UNIFORM COLOR DISTRIBUTION - An LED light emitting apparatus includes an LED light source, a light guiding device and an emitting window. The emitting window is covered with a phosphor layer. Light emitted directly from the LED light source is first transmitted to the light guiding device and then guided by the light guiding device towards the emitting window to evenly excite the phosphor layer. | 10-24-2013 |
20130279151 | PHOSPHOR REFLECTOR ASSEMBLY FOR REMOTE PHOSPHOR LED DEVICE - Phosphor assemblies include a phosphor layer and a broadband reflector attached to the phosphor layer. The phosphor assembly can be combined with a short wavelength (e.g. blue) emitting LED and other optional components to provide a remote phosphor lighting system. At least some LED light passes through the phosphor layer before reaching the broadband reflector. The broadband reflector provides high reflectivity for both the LED light and the longer wavelength phosphor light. The degree of transparency or of transmission of the phosphor layer to LED light can be tailored to increase the broadband light output of the lighting system. Such increase can actually be achieved by decreasing the amount of phosphor used in the phosphor layer. The single pass transmission T of the phosphor layer to the LED light may be from 30 to 65%, and the reflectivity of the broadband reflector may be at least 90, 94, or 98%. | 10-24-2013 |
20130286632 | METHODS AND APPARATUS FOR IMPLEMENTING COLOR CONSISTENCY IN REMOTE WAVELENGTH CONVERSION - Disclosed is an approach to implement a light emitting device with remote wavelength conversion. Lighting arrangements are disclosed which provides consistent color despite inconsistent light path lengths for phosphor light conversions. | 10-31-2013 |
20130286633 | ILLUMINATION DEVICE - Proposed is an illumination device ( | 10-31-2013 |
20130294048 | LIGHT EMITTING DEVICE, CELL FOR LIGHT EMITTING DEVICE, AND METHOD FOR MANUFACTURING LIGHT EMITTING DEVICE - Provided are a long-life light emitting device less likely to degrade luminescence properties over time, a method for manufacturing the same, and a cell for a light emitting device used for the same. A light emitting device | 11-07-2013 |
20130294049 | ILLUMINATION ARRANGEMENT - In various exemplary embodiments, an illumination arrangement is provided, including a light source for providing laser light and a diffusely reflective material and/or a phosphorescent material and/or a fluorescent material, which is arranged on a surface in the illumination arrangement in such a way that light provided by the light source impinges on the material, wherein the surface forms a hollow body having one or more partial surfaces which are arranged in a manner facing one another at least in part in such a way that light reflected or generated by material arranged on one partial surface impinges at least partly on material arranged on the same or another partial surface of the surface, and both the incidence of the laser light and the emission of the reflected or generated light are effected via the same surface of the one or more partial surfaces. | 11-07-2013 |
20130301236 | LIGHTING DEVICE - A lighting device includes an LED light source that emits light having a first peak wavelength in a range from 200 to 470 nm and a second peak wavelength in a range from 460 to 700 nm. An emission intensity at the second peak wavelength is greater than an emission intensity at the first peak wavelength, and an emission intensity at a wavelength band of 720 nm or greater is one tenth or less than an emission intensity at the second peak wavelength. | 11-14-2013 |
20130301237 | INTERNALLY COOLED FLUORESCENT DEVICE AND REFLECTOR LAMP ARRANGEMENT COMPRISING SAID FLUORESCENT DEVICE - A dual fluorescent wheel with two disk-shaped carrier elements which are interconnected by wing-type cooling ribs is disclosed. When the dual fluorescent wheel rotates, air flows in through an axial opening in one of the carrier elements, the air flows radially through the interspace between the carrier elements or the wing-type cooling ribs and flows out at the edge. This airflow improves the dissipation of heat which is produced when an excitation laser irradiates the annular fluorescent strips located on the two exterior faces. | 11-14-2013 |
20130308292 | LED LAMP - The present invention discloses an LED lamp which has a light guide with a total internal reflection (TIR) surface. A light modification layer comprising either a pure component or a mixture of the component selected from a group consisted of a yellow phosphor, a red phosphor, a green phosphor, a blue phosphor, and a reflective material is optionally adopted. The light beam is modified by the light modification layer before going out of the lamp. A blue light is one of the candidates which can be adopted as the light source. | 11-21-2013 |
20130308293 | PHOSPHOR WHEEL AND ILLUMINATION SYSTEM WITH THE SAME - A phosphor wheel includes a glass, a first phosphor agent and a first filter. The glass has a first region and the first phosphor agent is coated on the first region for converting a first color light into a second color light. The first filter is disposed next to the first region for filtering at least a portion of the first color light and a first light beam of the second color light, so that a second light beam of the second color light is transmitted through the first filter. The second color light is yellow light, the first phosphor agent is yellow phosphor agent, and the first filter is a red light filter. The present invention achieves the advantages of decreasing the fabricating cost, increasing the brightness of the red light with increasing of driving current and the whole brightness of the illumination system, and improving the image quality. | 11-21-2013 |
20130308294 | Luminaire - According to one embodiment, a luminaire includes a substrate, a light-emitting section mounted on the substrate and including a light-emitting element, an outer frame body provided with a through-hole in a bottom surface, provided on the substrate to locate the light-emitting section in the through-hole, and made of an insulator, and a cylindrical reflector in the outer frame body, including a first opening end and a second opening end having an area larger than the first opening end, and provided on the bottom surface with the first opening end. A step is absent in at least one part of the part between an inner wall surface of the through-hole and an inner wall surface of the reflector. An area of a third opening end on the substrate side of the through-hole is smaller than an area of a fourth opening end on the reflector side of the through-hole. | 11-21-2013 |
20130308295 | WAVELENGTH CONVERSION APPARATUS - A wavelength conversion device comprising a plurality of regions. Each region for absorbing radiant energy and emitting light having a characteristic dependent upon which region of the device emits the light. | 11-21-2013 |
20130314892 | COLOR CONVERSION OCCLUSION AND ASSOCIATED METHODS - A light converting device is described for receiving source light within a source wavelength range, converting the source light into a converted light, and reflecting the converted light to a desired output direction. The lighting device may use a color conversion occlusion to receive the source light and reflect a converted light in the desired output direction. The converted light may be intermediately reflected by the enclosure, or alternatively passed through the enclosure, as it is directed in the desired output direction. | 11-28-2013 |
20130314893 | HIGH BRIGHTNESS ILLUMINATION SYSTEM AND WAVELENGTH CONVERSION MODULE FOR MICROSCOPY AND OTHER APPLICATIONS - An illumination system comprising a laser light source and a wavelength conversion module for generating high brightness illumination by photoluminescence. The wavelength conversion module comprises an optical element comprising a wavelength conversion medium, set in a mounting for thermal dissipation, and an optical concentrator. The shape of the optical element and its reflective surfaces provides improved light extraction at the converted wavelength, and allows for more effective cooling. It provides a compact light source with a configuration suitable for applications that require high brightness and narrow bandwidth illumination at a selected wavelength, e.g. for fluorescence microscopy, or other applications requiring étendue-limited optical fiber coupling. The system, which preferably uses a solid state laser diode, provides an alternative to conventional arc lamps, and addresses limitations of other available solid state LED light sources to provide high brightness at some wavelengths, particularly in the 580nm to 630nm range. | 11-28-2013 |
20130314894 | LIGHTING APPARATUS - A lighting apparatus includes a circuit board, at least one LED, an optical element, a lampshade and at least one fluorescent material. The LED is disposed on the circuit board. The optical element is disposed above the LED, and has at least one reflective surface so that light emitted from the LED to the optical element partially penetrates through and is partially reflected by the optical element. The lampshade covers the circuit board, the LED and the optical element. The fluorescent material is doped within the lampshade. | 11-28-2013 |
20130314895 | OPTICAL FILM AND LIGHTING DEVICE - An optical film is provided herein which may include a base film including a material having optical transmittance and a thermal resistance, a matrix layer disposed on the base film and including a fluorescent material, and a viscous layer disposed on the matrix layer including a material having adhesive property, wherein the viscous layer may have a prescribed thickness. | 11-28-2013 |
20130314896 | LUMINOUS DEVICE - A luminous device with at least one rotatable luminous region carrier having at least two luminous regions and a first light source and a second light source, each for irradiating at least one part of the luminous regions, is disclosed. The first light source and the second light source of the luminous device emit light of different colors and at least one of the luminous regions is a phosphor which can be irradiated by the light from the first light source and can reemit said light in an at least partly wavelength-converted fashion. At least one of the luminous regions of the luminous device can be irradiated by the light from the second light source and that light is scattered by the luminous region without wavelength conversion. | 11-28-2013 |
20130322055 | LIGHT SOURCE DEVICE AND PROJECTOR - A light source device includes a first light source, a wavelength converter including a fluorescent material, a light-controller. The light-controller is disposed in a path of light propagating from the first light source toward the wavelength converter. The light-controller switches between transmission and reflection of light from the first light source. | 12-05-2013 |
20130322056 | LIGHT SOURCE DEVICE AND IMAGE DISPLAY APPARATUS - A light source device and an image display apparatus include a Blue Laser Diode (B-LD) light source unit, a dichroic mirror to reflect substantially collimated Blue (B) light from the B-LD light source unit, a lens to focus the B light reflected by the dichroic mirror, and a color wheel comprising a Green (G) fluorescent section which is excited by the collimated B light to emit and to reflect G light and a B mirror reflector to mirror-reflect the B light, wherein a center of a light flux of the B light reflected by the dichroic mirror is on other than an optical axis of the lens. | 12-05-2013 |
20130329397 | LIGHT SOURCE APPARATUS AND LIGHTING APPARATUS - A laser lighting module includes a base part, a laser diode which is a blue laser device, a substrate with which the laser diode is in contact, a ceramic phosphor which reflects light entering from the laser diode to thereby change a direction of the light and is excited by the light to generate yellow fluorescence, and a lens for adjusting luminous intensity distribution of light emitted from the ceramic phosphor. The substrate is formed of a material which is thin and has excellent thermal conductivity, and is in surface contact with the laser diode and the base part. In the laser lighting module, since the substrate serves as a device heat radiator, it is possible to easily remove the heat generated by the laser diode. | 12-12-2013 |
20130335946 | LED-BASED ILLUMINATION MODULE WITH PREFERENTIALLY ILLUMINATED COLOR CONVERTING SURFACES - An illumination module includes a color conversion cavity with a first interior surface having a first wavelength converting material and a second interior surface having a second wavelength converting material. A first LED is configured to receive a first current and to emit light that preferentially illuminates the first interior surface. A second LED is configured to receive a second current and emit light that preferentially illuminates the second interior surface. The first current and the second current are selectable to achieve a range of correlated color temperature (CCT) of light output by the LED based illumination device. | 12-19-2013 |
20130343034 | EFFICIENT LED-BASED ILLUMINATION MODULES WITH HIGH COLOR RENDERING INDEX - An illumination module includes a light mixing cavity with an interior surface area and window that are physically separated from an LED. A portion of the window is coated with a first wavelength converting material and a portion of the interior surface area is coated with a second wavelength converting material. The window may be coated with LuAG:Ce. The window may also be coated with a third wavelength converting material with a peak emission wavelength between 615-655 nm where the spectral response of light emitted from the window is within 20% of a blackbody radiator at the same CCT. The LED may emit a light that is converted by the light mixing cavity with a color conversion efficiency ratio greater than 130 lm/W where the light mixing cavity includes two photo-luminescent materials with a peak emission wavelengths between 508-528 nm and 615-655 nm. | 12-26-2013 |
20130343035 | ILLUMINATING APPARATUS AND METHOD OF PRODUCING LENS SHEET USED THEREIN - An illuminating apparatus includes: a light source, and a lens sheet arranged on an optical axis of the light source on which a plurality of prisms arranged in concentric circles centered on the optical axis of the light source are formed. A light diffusing part including a plurality of hemispherical light scattering elements is provided on the lens sheet, the light diffusing part includes light scattering elements whose shape is distorted due to influence of light scattering elements that are adjacent in at least one direction, and the plurality of light scattering elements is arranged in concentric circles centered on the optical axis of the light source. | 12-26-2013 |
20140003027 | LIGHTING UNIT HAVING LIGHTING STRIPS WITH LIGHT EMITTING ELEMENTS AND A REMOTE LUMINESCENT MATERIAL | 01-02-2014 |
20140003028 | LIGHTING DEVICE | 01-02-2014 |
20140016299 | PHOTON ENHANCEMENT GUIDING STRUCTURES, DEVICES, AND METHODS FOR LIGHT EMITTING DEVICES - The disclosure herein provides photon enhancement guiding structures, devices, and methods for light emitting devices. The structures, devices, and methods described herein can improve the efficiency and/or light distribution of light emitting devices. | 01-16-2014 |
20140016300 | LIGHT EMITTING DEVICE, ILLUMINATING APPARATUS, AND LIGHT EMITTING METHOD - A headlamp emits illumination light obtained by mixing a laser beam with fluorescent light. The headlamp includes a semiconductor laser that emits the laser beam and a light emitting unit including a fluorescent material that receives the laser beam and emits the fluorescent light. A peak wavelength of the laser beam emitted from the semiconductor laser is longer than a wavelength at which an external quantum efficiency of the fluorescent material is at a maximum. | 01-16-2014 |
20140022759 | LIGHT EMITTING DIODE (LED) BASED LIGHTING SYSTEMS - A lighting system comprises at least one excitation source ( | 01-23-2014 |
20140022760 | Phosphor Wheel for Converting Pump Light - A phosphor wheel for converting pump light to conversion light, on which a first phosphor for emitting conversion light of a first color and a second phosphor for emitting conversion light of a second color are provided. The light of first and second phosphors, which are arranged in a manner spatially separated from one another on the phosphor wheel, has the same hue in this case. Depending on the requirement, either the first or the second phosphor can thus be selected. | 01-23-2014 |
20140022761 | Luminescent Converter and LED Light Source Containing Same - A luminescent converter for a light emitting diode is herein described. The converter comprises a translucent substrate and a thin-film layer deposited on the substrate wherein the thin-film layer is comprised of a phosphor. The translucent substrate may further comprise a solid, ceramic phosphor such as YAG:Ce. | 01-23-2014 |
20140029237 | ILLUMINATION APPARATUS WITH PHOSPHOR WHEEL - Various embodiments propose an illumination apparatus having a laser apparatus and a phosphor wheel, wherein the phosphor wheel has, in addition to at least one phosphor region for phosphor conversion, at least one transmission region for colored light having a second, greater dominance wavelength from a light source. The beam paths from light source and laser apparatus are e.g. arranged collinearly, wherein the phosphor wheel rotates into the common optical axis of the laser apparatus and light source. By adding colored light having a greater dominance wavelength, the dominance wavelength of a colored light channel that is required for projection applications can also be obtained with colored light converted using efficient phosphor having a dominance wavelength that is too small. | 01-30-2014 |
20140029238 | ILLUMINATION APPARATUS - Provided is an illumination device that can be made thin and increases the efficiency of extracting light to the outside. The present invention is provided with: light-emitting structures wherein a blue light-emitting element is embedded in a transparent resin having a convex surface shape; a substrate wherein the light-emitting structures are disposed two-dimensionally; a diffuser plate that diffuses the blue light of the blue light-emitting elements; and a fluorescent sheet that is disposed spaced from the substrate and that contains a particulate fluorescent body that obtains a white light from the blue light of the blue light-emitting elements. | 01-30-2014 |
20140029239 | OPTICAL MEMBER AND DISPLAY DEVICE INCLUDING THE SAME - Disclosed are an optical member and a display device including the same. The optical member includes a wavelength conversion layer to convert a wavelength of an incident light, and an impact absorbing layer on the wavelength conversion layer. | 01-30-2014 |
20140043787 | LAMP TO ENHANCE PHOTOSYNTHESIS AND PEST CONTROL AND AN OXYGEN GENERATOR HAVING THE SAME - A lamp to enhance photosynthesis and pest control includes an light emitting diode (LED) light source having a emission wavelength ranging from 400 nm to 460 nm and the LED light source generating light and a first fluorescent material exposed to the light. The present invention also provides an oxygen generator including the lamp to enhance photosynthesis and pest control according to the present invention and a plant. | 02-13-2014 |
20140043788 | Illumination device with an envelope enclosing a light source - The invention provides an illumination device comprising an envelope enclosing a light source, preferably a LED, and a luminescent material. The envelope comprises a transmissive part, and a reflective part, wherein the reflective part comprises a reflective ceramic material. The ceramic material can be used for heat dissipation. | 02-13-2014 |
20140043789 | LED LIGHT BULB WITH CONTROLLED COLOR DISTRIBUTION USING QUANTUM DOTS - A liquid-cooled LED bulb including a base and a shell connected to the base forming an enclosed volume. The liquid-cooled LED bulb also includes a plurality of LEDs attached to the base and disposed within the shell. The LED bulb also includes a thermally-conductive liquid held within the enclosed volume and a quantum dot material for adjusting the wavelength of light emitted from LED bulb. | 02-13-2014 |
20140043790 | NANOPARTICLE COMPLEX, LIGHT CONVERSION MEMBER AND DISPLAY DEVICE HAVING THE SAME, AND METHOD FOR FABRICATING THE SAME - Disclosed are a light conversion member, a display device including the same, and a method for fabricating the same. The light conversion member includes a host, a plurality of light conversion particles in the host, and a ferroelectric material in the host. | 02-13-2014 |
20140049939 | LAMP WITH INTEGRAL SPEAKER SYSTEM FOR AUDIO - Provided is a light emitting diode (LED) lighting system. The system includes one or more LEDs and a transparent membrane positioned in cooperative arrangement with the LEDs. The transparent membrane is configured to control light produced by the LEDs and produce sound old. | 02-20-2014 |
20140049940 | LIGHT EMITTING DIODE LAMP - A light emitting apparatus includes a housing having a transparent portion, at least one LED positioned within the housing to emit light through the transparent portion, and a fan positioned within the housing to cool said at least one LED. | 02-20-2014 |
20140055979 | ELECTRONIC DEVICE, ILLUMINATING DEVICE, ILLUMINATING METHOD, AND METHOD OF MANUFACTURING ILLUMINATING DEVICE - Provided is an electronic device, including: a light source configured to emit light having a first wavelength; a first light reactive portion configured to emit visible light having a second wavelength when the first light reactive portion is excited by the light from the light source; a filter portion arranged between the light source and the first light reactive portion, the filter portion being configured to allow the light having the first wavelength to pass through, and to shield the visible light having the second wavelength emitted from the first light reactive portion; and a cover unit including a light transmissive portion, the light transmissive portion allowing a part of the visible light having the second wavelength emitted from the first light reactive portion to pass through. | 02-27-2014 |
20140055980 | Light-Emitting Device - An embodiment of the present invention discloses a light-emitting device including a first light source, a second light source, and an optical element. The first light source is configured to emit a first light at a first low temperature and a first high temperature, and has a first hot/cold factor. The second light source is configured to emit a second light at the first low temperature and the first high temperature, and has a second hot/cold factor. The optical element is configured to generate a third light by the excitation of the first light, and reach a second high temperature higher than the first high temperature under the irradiation of the first light. | 02-27-2014 |
20140055981 | LIGHT EMITTING DEVICE PACKAGE - A light emitting device package including a substrate; a light emitting device on the substrate; a first heatsink between the substrate and the light emitting device to transfer heat generated from the light emitting device; a second heatsink disposed below the first heatsink; and an electrode between the first heat sink and the light emitting device. Further, the substrate is disposed between the first and second heatsinks and is narrower at a position between the first and second heatsinks than at a position not between the first and second heatsinks, a material of the substrate is the same at the position between the first and second heatsinks as not between the first and second heatsinks, and the substrate at the position not between the first and second heatsinks surrounds the first and second heat sinks. | 02-27-2014 |
20140055982 | White Light Illumination System with Narrow Band Green Phosphor and Multiple-Wavelength Excitation - A white light illumination system may comprise: a phosphor package; a first radiation source for providing co-excitation radiation to the phosphor package, the source emitting in wavelengths ranging from about 250 nm to about 410 nm; and a second radiation source for providing co-excitation radiation to the phosphor package, the source emitting in wavelengths ranging from about 410 nm to about 540 nm; wherein the phosphor package is configured to emit photoluminescence in wavelengths ranging from about 440 nm to about 700 nm upon co-excitation from the first and second radiation sources, and wherein the phosphor package comprises at least one narrow band green phosphor with a photoluminescence peak with a full width at half maximum of less than 60 nm, and wherein the narrow band green phosphor is configured to emit photoluminescence in wavelengths ranging from about 500 nm to about 550 nm. | 02-27-2014 |
20140063779 | LIGHTING DEVICE INCLUDING SPATIALLY SEGREGATED LUMIPHOR AND REFLECTOR ARRANGEMENT - A lighting device includes one or more lumiphoric materials spatially segregated from one or more electrically activated (e.g., solid state) emitters and arranged to emit light toward a reflector for reflection of lumiphor-converted light emissions toward a light transmissive end of the lighting device. One or more adjustment elements may be arranged adjust position of the at least one lumiphoric material, and/or to adjust at least one of (a) position, (b) aim, and (c) focus, of the at least one electrically activated light emitting source. | 03-06-2014 |
20140071655 | Direct Backlight Module - The present invention provides a direct backlight module, which includes a backplane, a backlight source arranged inside the backplane, and a diffuser plate mounted to the backplane and located above the backlight source. The backlight source includes a plurality of LED light bars. Each of the LED light bars includes a plurality of LED lights. The diffuser plate has a light incident surface opposing the backlight source. A phosphor powder layer is coated on the light incident surface of the diffuser plate. The LED lights give off light that excites the phosphor powder layer to give off light. The light given off by the excitation of the phosphor powder layer is mixed with a part of the light emitting from the LED lights to form white light desired for the backlight source. | 03-13-2014 |
20140071656 | LIGHT SOURCE MODULE AND BULB LAMP - A light source module includes a base plate, a projection, and a plurality of light-emitting devices. The projection is disposed on the base plate. The light-emitting devices surround the projection and are disposed on the projection. | 03-13-2014 |
20140078715 | HIGH EFFICIENCY LIGHTING DEVICE INCLUDING ONE OR MORE SOLID STATE LIGHT EMITTERS, AND METHOD OF LIGHTING - A lighting device comprising first and second groups of solid state light emitters, that emit light having approximate dominant wavelength (in nm) of 441-448 (or 442-450, 444-455, 444-446, 442-445 or 444-452) and 555 nm to 585 nm, respectively. If the first and second groups are illuminated, a mixture of light would, in the absence of any additional light, have a color point within one or more of first, second, third, fourth and fifth areas on the 1931 CIE Chromaticity Diagram. In some embodiment, the lighting device further comprises a third group that emits light having approximate dominant wavelength (in nm) of 600-640 (or 605-610, 605-607, 600-606, 602-606 or 615-620). Also, methods of lighting. | 03-20-2014 |
20140078716 | Quantum Dot/Remote Phosphor Display System Improvements - A display system comprises light sources configured to emit first light with a first spectral power distribution; light regeneration layers configured to be stimulated by the first light and to convert at least a portion of the first light and recycled light into second light, the second light comprising (a) primary spectral components that correspond to primary colors and (b) secondary spectral components that do not correspond to the primary colors; and notch filter layers configured to receive a portion of the second light and to filter out the secondary spectral components from the portion of the second light. The portion of the second light can be directed to a viewer of the display system and configured to render images viewable to the viewer. | 03-20-2014 |
20140078717 | ILLUMINATION DEVICE - Provided is an illumination device capable of reducing coherence of laser light emitted from a laser irradiation device to ensure safety to the eye at low cost. In the illumination device for exciting a fluorescent substance by irradiating the fluorescent substance with the laser light from the laser irradiation device to emit visible light for use as illumination light, a light scattering material is placed on and around an optical axis of the laser light. | 03-20-2014 |
20140085861 | LIGHTING DEVICES - A lighting device includes a cover portion configured to have a hinged connection for mounting on a housing. The cover portion includes a light emitting diode (LED) and a mixing chamber having a reflective internal surface for receiving light from the LED. A phosphorescent lens is disposed opposite the LED and is configured to reflect light from the LED back to the mixing chamber and to emanate absorbed light from the lens to a surrounding region outside of the mixing chamber. An LED driver circuit is configured to power the LED, the LED driver circuit being electrically connected to a power source. Other embodiments are also disclosed. | 03-27-2014 |
20140085862 | LIGHTING DEVICE - According to one embodiment, a lighting device includes a main body, a light source, a light transmitting cover, and a reflector. The main body is formed from metal. The light source has a substrate formed from ceramic and attached to the light source attachment portion of the main body, and a light emitting element mounted on the substrate. The light transmitting cover is formed from glass. The reflector is formed from metal. The reflector is held by the main body without contact with respect to the main body and the light source between the light source attachment portion and the light transmitting cover. Between the light source attachment portion and the light transmitting cover, parts irradiated with light emitted from the light emitting element do not contain resin except a part in the light source. | 03-27-2014 |
20140092580 | LED LAMP AND LED LIGHTING ASSEMBLY - An LED lamp or LED lighting assembly includes a light guide having opposed major surfaces configured to propagate light by total internal reflection and a light input edge extending between the major surfaces. A light source is adjacent to the light input edge and is configured to edge light the light guide. In some embodiments, the light source is moveable relative to the light input edge, and the spectrum of the light output from the light guide may be adjusted by movement of the light source relative to the light input edge. | 04-03-2014 |
20140092581 | WAVELENGTH CONVERSION THROUGH REMOTE PHOSPHOR ON A SUPPORT WHEEL - A lighting device may include at least one phosphor region which can be irradiated by a primary light source, and at least one optical filter region which can be disposed downstream of the at least one phosphor region, wherein the at least one phosphor region and the at least one filter region are arranged at a different level on a common support wheel. | 04-03-2014 |
20140098518 | DEVICE FOR THE BEAM SHAPING OF LIGHT - In various embodiments, a device for the beam shaping of light is provided. The device may include: a solid body composed of a transmission material that is at least partly transmissive to the light, the solid body including: a coupling-in surface for coupling in the light, a first reflection surface for deflecting the light, and a coupling-out surface for coupling out the light, wherein the solid body is designed to reflect the coupled-in light in its interior at the first reflection surface; and wherein the first reflection surface is embodied in a parabolic fashion in a sectional plane including a propagation direction of the reflected light. | 04-10-2014 |
20140104810 | FLEXIBLE PHOTOLUMINESCENT LIGHT SHIELD AND DIFFUSER - A flexible photoluminescent shield/diffuser attachment for a portable light, the light comprising a light emitting end emitting light generally along an axis is shown. The attachment comprises an elongated hollow body fabricated from a pliable translucent photoluminescent material and having a shape memory. A first end of said hollow body is able to be secured to the light emitting end of the light coaxial with the axis. | 04-17-2014 |
20140111966 | LOW-ANGLE THOROUGHFARE SURFACE LIGHTING DEVICE - A lighting device may include a housing configured to be attached to a thoroughfare surface. The housing may include a top surface, a proximal face, a distal face, and first and second sidewalls extending between the proximal face and the distal face. Circuitry may be carried by the housing. A first primary optic may be carried by the housing adjacent the first sidewall to define a first optical chamber, and a first light source may be positioned within the first optical chamber and carried by the housing adjacent the first sidewall. The first sidewall may have a first slanted section, and an axis of the first slanted section may skew to a longitudinal axis of the lighting device. | 04-24-2014 |
20140111967 | LIGHTING DEVICE WITH PUMP LIGHT SOURCE AND PHOSPHOR ARRANGEMENT - In various embodiments, a lighting device is provided. The lighting device may include: a pump light source; a phosphor arrangement; and a light control element arranged between the pump light source and the phosphor arrangement; wherein the light control element is configured to split the pump light beam into a reflected part and a transmitted part and for controlling the ratio between reflected part and transmitted part; and wherein the phosphor arrangement includes at least one phosphor which can be irradiated with the reflected part and/or transmitted part of the pump light of the pump light source and emits said pump light again at least partly in a wavelength-converted fashion. | 04-24-2014 |
20140111968 | OPTICAL MEMBER, DISPLAY DEVICE INCLUDING THE SAME, METHOD FOR MANUFACTURING THE SAME - Disclosed are an optical sheet, a display device including the same, and a method for manufacturing the same. The optical sheet includes a host layer, a plurality of wavelength conversion particles in the host layer, and a plurality of optical path change particles in the host layer. | 04-24-2014 |
20140111969 | LED LAMP - Exemplary embodiments of the present invention relate to an LED lamp including a substrate, a first LED, a second LED, a heat sink, and a transparent cover. The first LED is arranged on a first surface of the substrate. The second LED is arranged on a second surface of the substrate, the second surface being an opposite side of the substrate from the first surface. The heat sink has a mounting surface on which the substrate is arranged. The heat sink also has a reflection surface. The transparent cover covers the substrate, the first LED, and the second LED. | 04-24-2014 |
20140118990 | LED MODULE - A light emitting diode (LED) module is provided that emits uniform light in terms of the distribution of diffused light. The LED module comprises: a base plate integrally formed with electrical wires via an injection molding, wherein the base plate forms a reception space; a plate on which a number of LEDs are installed, wherein the plate is placed in the reception space of the base plate; bolts coupling the plate to the base plate; a cover that is fixed to the base plate via ultrasonic welding; and a lens part that is formed in the cover via a double injection molding, wherein the lens part comprises fluorescent materials and has various colors. | 05-01-2014 |
20140118991 | WAVELENGTH CONVERSION WHEEL MODULE AND ILLUMINATION SYSTEM - A wavelength conversion wheel module and an illumination system are provided. The wavelength conversion wheel module includes a wavelength conversion wheel and a first actuator. The wavelength conversion wheel includes a plurality of annular areas. Each of the annular areas includes at least one wavelength conversion area and at least one light passing area. The wavelength conversion area converts an original light beam incident on the wavelength conversion area into a converted light beam. The wavelength of the converted light beam is different from the wavelength of the original light beam. The annular areas are arranged along the radial direction of the wavelength conversion wheel, and different annular areas have different optical parameters. The optical parameters of the annular areas are related to the wavelength conversion area and the light passing area. The first actuator is connected to the wavelength conversion wheel, and drives the wavelength conversion wheel to rotate. | 05-01-2014 |
20140126178 | LIGHT EMITTING ELEMENT AND LIGHT EMITTING DEVICE - The light emitting part is obtained by depositing fluorescent materials on a metal plate with a predetermined shape to form a fluorescent material film. The fluorescent material emits light upon irradiation with a laser beam. | 05-08-2014 |
20140126179 | METHOD FOR MANUFACTURING A PHOSPOR DEVICE AND LIGHTING APPARATUS COMPRISING SUCH PHOSPHOR DEVICE - A method for manufacturing a phosphor device may include: providing an optical transmitting member having a first end face and a second end face, whereby the optical transmitting member is designed for guiding exciting light entering through the first end face onto a phosphor layer arranged on the second end face, whereby at least a part of the exciting light is being wavelength-converted by the phosphor layer, and whereby the optical transmitting member is further designed for at least partially collecting and guiding the light converted by the phosphor layer; attaching an optically transparent electrode on the second end face of the optical transmitting member; providing a phosphor and a counter-electrode designed for electrophoretic deposition of the phosphor; and depositing a phosphor layer on the optically transparent electrode by means of electrophoretic deposition, thereby using the optically transparent electrode as a coating electrode. | 05-08-2014 |
20140126180 | Quantum Dot Modulation For Displays - Modulated light sources are described. A modulated light source may have first light sources that are configured to emit first light, which has first color components that occupy a range that is beyond one or more prescribed ranges of light wavelengths. The modulated light source may also have a light converter that is configured to be illuminated by the first light. The light converter converts the first light into second light. The second light has one or more second color components that are within the one or more prescribed ranges of light wavelengths. Strengths of the one or more second color components in the second light are monitored and regulated to produce a particular point within a specific color gamut. | 05-08-2014 |
20140133128 | LAMP AND VEHICLE LAMP APPARATUS USING THE SAME - Disclosed are a lamp capable of displaying an emblem and a vehicle lamp apparatus using the same. The lamp includes a light source module and an optical member spaced apart from the light source module by a predetermined distance. The optical member includes at least one plate including a bottom surface adjacent to the light source module and a top surface opposite the bottom surface, a first pattern disposed at the top surface of the plate to display a predetermined emblem, and a second pattern disposed at the top surface of the plate excluding the first pattern to condense light incident from the light source module. | 05-15-2014 |
20140133129 | OPTICAL MEMBER, DISPLAY DEVICE HAVING THE SAME, AND METHOD OF FABRICATING THE SAME - Disclosed are an optical member, a display device having the same, and a method of fabricating the same. The optical member includes a receiving part having an empty space therein, a host in the receiving part, a plurality of wavelength conversion particles in the host, a sealing part in the receiving part, and a pre-treatment layer between the sealing part and an inner surface of the receiving part. | 05-15-2014 |
20140140038 | ROTATING WAVELENGTH CONVERSION ELEMENT - A method and apparatus is described for producing high brightness, e.g. multicolor light, whereby a region of a wavelength conversion element and a light source producing excitation light are moved relative to each other so that said region is exposed to the excitation light at different times and in a progressive movement that scans across a part of the entire surface of the wavelength conversion element. The wavelength conversion element can be cooled by air or with a liquid. | 05-22-2014 |
20140146517 | LIGHT EMISSION AND CONVERSION THROUGH A SPINNING SHAFT - An illumination device, system, and method are disclosed. The illumination device includes one or more light sources mounted on a core and a shaft that is configured to at least partially surround the core. The shaft may include one or more phosphor elements that are movable relative to the core and the one or more light sources. Movement of the shaft and the one or more phosphor elements may facilitate the production of white light and other non-white-lighting effects. | 05-29-2014 |
20140146518 | BACKLIGHT MODULE INCORPORATING LIGHT-DIFFUSION AND LIGHT-CONVERSION PLATE - A backlight module includes an LED, a lens covering the LED and a diffusion and conversion plate placed over the lens. The diffusion and conversion plate has a large amount of light-diffusion particulates and phosphor particulates doped therein. The LED emits blue light towards the diffusion and conversion plate through the lens. The blue light is diffused by the light-diffusion particulates to excite the phosphor particulates to emit yellow light. The yellow light is further diffused by the light-diffusion particulates to uniformly mix with the blue light. | 05-29-2014 |
20140153214 | Phosphor Device and Lighting Apparatus Comprising the Same - A phosphor device ( | 06-05-2014 |
20140153215 | ILLUMINATING DEVICE - An illuminating device is configured to include a light guide structure having a first light source configured to emit light of a first wavelength to excite at least one red fluorescent transparent substance; a second light source configured to emit light of a second wavelength to excite at least one green fluorescent transparent substance; and a third light source configured to emit light of a third wavelength to excite at least one blue fluorescent transparent substance. | 06-05-2014 |
20140153216 | PHOSPHOR OPTICAL ELEMENT AND LIGHT-EMITTING DEVICE USING THE SAME - A phosphor optical element includes: a base member; a phosphor-containing member that includes a transparent member containing a phosphor particle; and a cover member, wherein the base member, the phosphor-containing member, and the cover member are sequentially formed on a transparent base that is transparent to a wavelength of incident light from an excitation light source, the phosphor particle has a diameter no greater than the wavelength of the incident light, and in an arbitrary cross section of the phosphor-containing member in a direction perpendicular to a main surface of the transparent base, the phosphor-containing member has, in a direction perpendicular to the main surface of the transparent base, a thickness no greater than the wavelength of the incident light. | 06-05-2014 |
20140153217 | OPTICAL MEMBER, DISPLAY DEVICE HAVING THE SAME AND METHOD OF FABRICATING THE SAME - Disclosed are an optical member, a display device including the same, and a method of fabricating the same. The optical member includes a host layer; a plurality of first wavelength conversion particles in the host layer; and a plurality of second wavelength conversion particles in the host layer, wherein the first wavelength conversion particles include compound semiconductors, and the second wavelength conversion particles include phosphors. | 06-05-2014 |
20140153218 | DISPLAY DEVICE - Disclosed is a display device. The display device includes a light source; a wavelength conversion member converting a wavelength of light output from the light source; a display panel to which the light is incident; a heat transfer part adjacent to the light source and the wavelength conversion member; and a heat dissipation part connected to the heat transfer part. | 06-05-2014 |
20140160723 | REFLECTIVE NANOFIBER LIGHTING DEVICES - A fiber-based reflective lighting device. The lighting device includes a source configured to generate a primary light, a substrate including a mat of reflective nanofibers, and a light exit configured to emanate the reflected light. The fibers have an average fiber diameter AFD less than 500 nm which diffusively reflects visible light upon illumination with at least the primary light. The mat has a basis weight less than 40 gram per square meter (gsm) and a reflectance greater than 80%. | 06-12-2014 |
20140160724 | Fabrication of Light-Emitting Devices - Light-emitting devices that include a scattering element of arbitrary shape and processes for fabrication thereof are described. In one aspect a method for forming a light-emitting device includes providing a light-emitting element (LEE) on a base surface of a base substrate; coupling a first optical element with the base surface of the base substrate, where the first optical element has a first surface facing the LEE and a second surface opposing the first surface; disposing the first optical element in a curable or settable fluid so that the fluid conforms to the second surface; and curing or setting the fluid to form a second optical element including a molded transparent layer adjacent the second surface of the first optical element. | 06-12-2014 |
20140160725 | LIGHT EMITTING DIODES GENERATING WHITE LIGHT - A system including a first set of light emitting diodes, a second set of light emitting diodes, and a control module. The first set of light emitting diodes is configured to emit blue light having first wavelengths in a first wavelength range in a spectrum of blue light. The first set of light emitting diodes includes a green phosphor configured to convert the blue light having the first wavelengths to green light. The second set of light emitting diodes is configured to emit blue light having second wavelengths in a second wavelength range in the spectrum of blue light. The second set of light emitting diodes includes a red phosphor configured to convert the blue light having the second wavelengths to red light. The first wavelength range is less than the second wavelength range. The control module is configured to control currents through the first set of light emitting diodes and the second set of light emitting diodes. | 06-12-2014 |
20140160726 | LIGHTING DEVICE - A lighting device may include a circuit board, at least one LED lighting chip provided on one side of the circuit board, and a phosphor layer arranged to enclose the LED lighting chip, wherein the phosphor layer has different thicknesses at different light emergence angles. | 06-12-2014 |
20140160727 | OPTICAL MEMBER, DISPLAY DEVICE AND LIGHT EMITTING DEVICE HAVING THE SAME - Disclosed are an optical member and a liquid crystal display. The optical member includes a host; a plurality of wavelength conversion particles in the host; and a plurality of electron receiving particles adjacent to the wavelength conversion particles, respectively. | 06-12-2014 |
20140160728 | LIGHT EMITTING APPARATUS - The present invention relates to a light emitting apparatus. According to one aspect of the present invention, the light emitting device comprises: a plurality of light emitting devices including a blue light emitting device emitting blue light and a UV light emitting device emitting ultraviolet light; and a wavelength conversion part arranged in the path of the light emitted from the plurality of light emitting devices, and provided with fluorescent substances to convert the wavelengths of the light emitted from the plurality of light emitting devices, wherein a fluorescent substance excited by and mixed with the blue light to obtain white light is arranged on a first area corresponding to the blue light emitting device, and at least a blue fluorescent substance is arranged on a second area corresponding to the UV light emitting device. When the light emitting apparatus according to the present invention is used, a combination of the light sources and the fluorescent substances within one module may be appropriately adopted to obtain both improved luminous efficacy and white light having a high color rendering index. | 06-12-2014 |
20140168940 | LASER-BEAM UTILIZATION DEVICE AND VEHICLE HEADLIGHT - A headlamp ( | 06-19-2014 |
20140168941 | SCATTERED-PHOTON EXTRACTION-BASED LIGHT FIXTURES - A scattered photon extraction light fixture includes an optic element having a first surface; a light source for emitting short wavelength radiation, the light source disposed opposite, perpendicular, or tangential to the first surface of the optic element; a wavelength-conversion material, disposed on the first surface of the optic element, for receiving and down converting at least some of the short wavelength radiation emitted by the light source and transferring a portion of the received and down converted radiation; and one or more reflectors positioned opposite the wavelength-conversion material. A scattered photon extraction light system includes a plurality of light emitting fixtures. One or more wavelength-conversion materials, in the embodiments of the present invention, are disposed remotely from the light source(s), and used to absorb radiation in one spectral region and emit radiation in another spectral region. Lighting efficiency is improved by capturing the short wavelength and down-converted radiation. | 06-19-2014 |
20140168942 | LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND METHOD FOR PRODUCING LIGHT-EMITTING ELEMENT - A light-emitting section ( | 06-19-2014 |
20140168943 | Light converter and lighting unit comprising such light converter - The invention provides a lighting unit comprising a light source, configured to generate light source light, and a light converter, configured remote of the light source and configured to convert at least part of the light source light into luminescent material light. The light converter comprises (a) a yellow light emitting cerium containing garnet luminescent material, (b) a green light emitting luminescent material, (c) a red light emitting organic luminescent material, and (d) a particulate scattering material. | 06-19-2014 |
20140177201 | ILLUMINATION APPARATUS USING LASER DIODE AS LIGHT SOURCE - An illumination apparatus includes a laser diode and an encapsulation layer located at one side of the laser diode. A plurality of fluorescent powders is mixed in the encapsulation layer. A reflecting layer is provided. Light generated by a mixture of light generated by the laser diode and light generated by the fluorescent powders by excitation of the light generated by the laser diode has a part radiating out of the encapsulation layer after it is reflected by the reflecting layer. | 06-26-2014 |
20140177202 | ILLUMINATION DEVICE HAVING LASER SOURCE - An illumination device includes a laser source, a splitter, a fluorescent member, and a reflector group. The laser source emits laser beams. The splitter divides the laser beams into three parts. The fluorescent member includes phosphor. The reflector group reflects the three parts of the laser beams to the fluorescent member from different directions to excite the phosphor in the fluorescent member. | 06-26-2014 |
20140185269 | SOLID-STATE LAMPS UTILIZING PHOTOLUMINESCENCE WAVELENGTH CONVERSION COMPONENTS - Disclosed are improved photoluminescence wavelength conversion components and lamps that incorporate such components. The photoluminescence wavelength conversion component comprises a hollow cylindrical tube having a given bore of diameter and an axial length. The relative dimensions and shape of the component can affect the radial emission pattern of the component and are configured to give a required emission pattern (typically omnidirectional). The photoluminescence material can be homogeneously distributed throughout the volume of the component during manufacture of the component. An extrusion method can be used to form the improved photoluminescence wavelength conversion component. Injection molding or casting can also be used to form the component. Another possible approach is to manufacture the component is by forming a flexible sheet material to include the phosphor and/or quantum dots, and then rolling the sheet material into the desired shape and dimensions for the component. The improved wavelength conversion components and lamps that incorporate these components provide for improved emission characteristic, while allowing for relatively cost-effective manufacturing costs. A further advantage of components is that their light emission resembles a filament of a conventional incandescent light bulb. | 07-03-2014 |
20140185270 | LIGHTING STRUCTURE AND ILLUMINATING DEVICE - A lighting structure includes a substrate, a light emitting diode, a cover unit, and a hollow column. The substrate has a top surface and a rear surface opposite to the top surface. The light emitting diode is disposed on the top surface and is electrically connected to the substrate. The cover unit is disposed on and cooperates with the substrate to define a receiving space in which the light emitting diode is disposed. The hollow column is connected to the rear surface of the substrate and extends in a vertical direction away from the rear surface. The cover unit and the hollow column respectively have a height in the vertical direction, and the height of the hollow column is 2 times to 10 times the height of the cover unit. | 07-03-2014 |
20140185271 | DISPLAY DEVICE AND OPTICAL MEMBER - Disclosed are a display device and an optical member. The display device includes a light source, a wavelength conversion member provided adjacent to the light source, and a reflection-transmission part interposed between the light source and the wavelength conversion member. | 07-03-2014 |
20140185272 | LIGHTING DEVICE - Provided is a lighting device that can suppress decrease in its luminous efficiency and shortening of its life. A lighting device ( | 07-03-2014 |
20140192512 | Chemical Glow Devices with LED Lighting - The performance of chemical glow lights is enhanced by the provision of a battery-powered light-emitting diode (LED). The LED can be provided inside a pouch containing chemicals which, when mixed together, produce a glowing light. Multiple pouches can be provided in strip form as well as in individual form with varying shapes and sizes. Surfaces coated with light-activated photochemicals can be illuminated with one or more LEDs thereby causing such surfaces to produce a chemical glow for extended periods of time. | 07-10-2014 |
20140198479 | PIXEL STRUCTURE OF ELECTROLUMINESCENT DISPLAY PANEL - A pixel structure of an electroluminescent display panel includes display pixel units. Each display pixel unit is composed of one first sub-pixel, one second sub-pixel, and one third sub-pixel. Each first sub-pixel is disposed adjacent to another first sub-pixel along a column direction to form a first pixel unit with a first frame. Each second sub-pixel is disposed adjacent to another second sub-pixel along the column direction to form a second pixel unit with a second frame. Each third sub-pixel is disposed adjacent to another third sub-pixel along the column direction to form a third pixel unit with a third frame. Each first, second, and third pixel units respectively have an identical first length along the column direction. Each first pixel unit and one adjacent first pixel unit disposed in a different row are shifted relatively along the row direction by the first length. | 07-17-2014 |
20140198480 | DIFFUSER COMPONENT HAVING SCATTERING PARTICLES - A diffuser component for a solid-state (LED) light emitting device comprises a light scattering material, wherein the light scattering material has an average particle size that is selected such that the light scattering material will scatter excitation light from a solid-state excitation source relatively more than the light scattering material will scatter light generated by at least one photoluminescence material (phosphor) in a wavelength conversion component. The diffuser component is separately manufactured from the wavelength conversion component. | 07-17-2014 |
20140204558 | SPLIT PHOSPHOR/SLIT COLOR WHEEL SEGMENT FOR COLOR GENERATION IN SOLID-STATE ILLUMINATION SYSTEM - Apparatus for generating blue color illumination for use in a projection system a color wheel with segments of respective different color light emitting phosphors formed over light non-transmitting portions and at least one blue color generating segment. The blue color generating segment has cyan color light emitting phosphor formed over a light non-transmitting first portion and a second portion that transmits blue laser light through the wheel. A dichroic filter directs blue laser light from a light source onto the respective segments as the color wheel rotates. The light strikes the first and second portions of the blue color generating segment to generate blue light at a color point determined by both blue laser light and phosphor emitted cyan light. | 07-24-2014 |
20140211447 | OPTICAL ELEMENT FOR CORRECTING COLOR BLINDNESS - Described herein are devices, compositions, and methods for improving color discernment. | 07-31-2014 |
20140211448 | Backlight Module and Liquid Crystal Display Device - The present invention provides a backlight module and liquid crystal display device. The backlight module includes diffuser plate, substrate, fluorescent layer and light-emitting chip. The fluorescent layer is disposed on a light-entering surface of diffuser plate, and the fluorescent layer includes quantum dot (QD). The light-emitting chip is disposed on the substrate and the light-emitting chip is between substrate and fluorescent layer for irradiating on the fluorescent layer to excite the quantum dots to emit light to form white backlight source. The present invention uses quantum dots to effectively increase luminance, color saturation and avoid chroma offset. The quantum dots can emit uniform light and reduce thickness of the backlight module. | 07-31-2014 |
20140211449 | LIGHT EMITTING MODULE - The light emitting module includes a plurality of light emitting elements; a fluorescent substance resin layer containing a fluorescent substance which is excited by light emitted from the plurality of light emitting elements to emit visible light; a reflective surface configured to reflect light emitted from the plurality of light emitting elements and the fluorescent substance resin layer; and a light guiding body layer provided between the reflective surface and the fluorescent substance resin layer, and configured to guide light emitted from the plurality of light emitting elements or the fluorescent substance. | 07-31-2014 |
20140211450 | APPARATUS AND METHOD INCORPORATING GLOW-IN-THE-DARK MATERIAL TO PRESERVE POWER USAGE WHEN CREATING LIGHT FOR DARK ENVIRONMENTS - A lighting device, comprising a glow material; a light source, positioned to illuminate the glow material when the light source is activated; and a light source controller, for sequencing sufficient on and off activation of the light source to maintain activate the glow material over a period of time. | 07-31-2014 |
20140218892 | WIDE EMISSION ANGLE LED PACKAGE WITH REMOTE PHOSPHOR COMPONENT - An improved approach is provided for implementing LED lighting systems and lamps that address the issues identified above. A new type of LED package is disclosed that reduces manufacturing and production costs, while simultaneously allowing for improved thermal management and wide angle light distribution. A self-contained LED package is disclosed that can be mounted as an entire unit onto a lamp platform. The LED package permits the dimensional configuration of the package components to be aligned with desired emission angles. For example, overhangs between phosphor components and circuit boards in the package can be avoided, thereby ensuring that the final lighting system will provide any desired emission angles. | 08-07-2014 |
20140218893 | LIGHT SOURCE DEVICE - A light source device includes a first excitation light source which emits first excitation light having a wavelength in a first wavelength region, a first optical member, a second optical member and a holding member which holds the first optical member and the second optical member. The first optical member converts at least part of the first excitation light to emit first wavelength converted light, and increase divergence angle of the transmitted first excitation light by a first incremental angle. A second optical member is disposed in a region including an optical axis of the first excitation light, and increases the divergence angle of the transmitted first excitation light by a second incremental angle larger than the first incremental angle. | 08-07-2014 |
20140233209 | LIGHT EMITTING DEVICE - Provided is a light emitting device with effectively improved color rendering properties. A light emitting device | 08-21-2014 |
20140233210 | SEMICONDUCTOR LIGHT SOURCE APPARATUS - A semiconductor light source apparatus can emit various color lights having high brightness. The light source apparatus can include a phosphor layer directly disposed on a reflective layer and metallic bumps located between the reflective layer and a radiating substrate. The phosphor layer can be composed of at least one of a glass phosphor and a phosphor ceramic and can include at least one of a yellow phosphor, a red phosphor, a green phosphor and a blue phosphor. The light source can be located adjacent the phosphor layer so that light having high brightness emitted from the light source can be reflected on the reflective layer and heat of the phosphor layer can radiate from the radiating substrate via the metallic bumps. Thus, the disclosed subject matter can provide semiconductor light source apparatuses that can emit various color lights having high brightness, and which can be used for headlight, etc. | 08-21-2014 |
20140233211 | LED LUMINAIRES BASED ON COLOR MIXING AND REMOTE PHOSPHOR ARRANGEMENT - In various embodiments, a luminaire may include: two or more groups of light emitting elements, each group of light emitting elements having respective wavelength range; and a fluorescence component being capable of generating fluorescence under excitation of the light emitted from said light emitting elements, wherein said fluorescence component is spaced apart from said light emitting elements in a light propagation direction of said light emitting elements, and the light of each group of said light emitting elements is combined with said fluorescence into white light. | 08-21-2014 |
20140233212 | OPTICAL MEMBER, DISPLAY DEVICE, AND LIGHT EMITTING DEVICE HAVING THE SAME - Disclosed are an optical member and a display device. The display device includes a light source; a light conversion layer to convert a wavelength of light emitted from the light source; and a display panel into which the light is incident from the light conversion layer, wherein the light conversion layer includes a plurality of concave surfaces. | 08-21-2014 |
20140233213 | LED LIGHT SYSTEM WITH VARIOUS LUMINESCENT MATERIALS - An LED light system may include a primary LED radiation source, in particular at least one blue- or UV-emitting semiconductor element, wherein a first dome of transparent or translucent material, which acts as a conversion element, is placed in front of the primary light source in the emission direction, wherein at least a part of the surface of the first dome is divided into at least two regions of different types, which comprise luminescent materials, the at least two regions including different luminescent materials for the conversion. | 08-21-2014 |
20140233214 | WAVELENGTH CONVERTING ELEMENT AND ARRANGEMENT COMPRISING AT LEAST ONE LICHT-EMITTING DIODE AND A WAVELENGTH CONVERTING ELEMENT - A converting element for converting emitted light from one or more light-emitting diodes is disclosed. The converting element may include a matrix material, and at least one phosphor, wherein the converting element further comprises a component, which is either a thermochromic dye or a phase change medium. | 08-21-2014 |
20140240955 | Luminaire - According to one embodiment, a luminaire includes a main body section including a flat surface on one end side, a light-emitting module provided to be thermally joined to the flat surface and including a light-emitting element that emits light having a peak wavelength equal to or larger than 430 nm and equal to or smaller than 500 nm, a reflecting section provided on one end side of the main body section and configured to reflect the light emitted from the light-emitting element, a heat transfer section provided such that one end side thereof projects to the one end side of the main body section, the other end side of which being connected to the main body section, and a wavelength converting section provided spaced apart from the light-emitting element to cover the light-emitting module and to be thermally joined to the main body section and the heat transfer section. | 08-28-2014 |
20140240956 | LIGHT SOURCE DEVICE - A light source device includes a light conversion unit, a heat radiation unit, and a heat storage unit. The light conversion unit emits illumination light. The heat radiation unit radiates heat generated in the light conversion unit. The heat storage unit is thermally connected to the light conversion unit or the heat radiation unit, and stores the heat. | 08-28-2014 |
20140240957 | LED Lamp with Improved Light Output - The present disclosure involves an LED lamp. The LED lamp includes a plurality of light-emitting diode (LED) light sources located on a substrate. At least a subset of the LED light sources is free of a phosphor coating. The LED lamp includes a multi-layered cap structure located over at least the subset of the LED light sources. The cap structure contains a phosphor material and a diffuser material. The cap structure is physically separated from the subset of the LED light sources by a gap. The LED lamp includes a cover structure positioned over and surrounding the LED light sources and the cap structure. | 08-28-2014 |
20140247578 | BATWING LED WITH REMOTE PHOSPHOR CONFIGURATION - A lighting apparatus includes a substrate. One or more light-emitting devices are disposed over the substrate. A lens is molded over the substrate and over the one or more light-emitting devices. A recess is disposed in the lens. The recess circumferentially surrounds the one or more light-emitting devices in a top view. The recess is at least partially filled with phosphor particles. | 09-04-2014 |
20140247579 | Lighting unit comprising a lamp shade - The invention provides a lighting unit ( | 09-04-2014 |
20140254127 | Lighting Device And Apparatus With Spectral Converter Within A Casing - In one embodiment, a light-emitting device having a substrate, a casing, a plurality of light source dies, a plurality of spectral converters and a plurality of optical structures is disclosed. The spectral converters may be configured to spectrally adjust a portion of the light output of the light source die into a first and second converted spectral output that is substantially different from one another. In another embodiment, a system for illumination having a plurality of lighting assemblies has been disclosed. Each of the lighting assemblies comprises a light source die and a spectral converter. The spectral converter is configured to spectrally adjust the light output of the light source die so that the plurality of lighting assemblies are configured to emit substantially different spectral output. In yet another embodiment, a lighting apparatus having a primary spectral converter and a secondary spectral converter is disclosed. | 09-11-2014 |
20140254128 | Solid State Lighting Device - According to one embodiment, a solid state lighting device includes an irradiating section configured to emit laser light, a scattering section, and a wavelength conversion section. The scattering section has a principal plane provided to cross an optical axis of the laser light and includes a light scattering material that reflects the laser light made incident thereon and emits the laser light as scattered light. The wavelength conversion section absorbs the scattered light made incident from a first surface and emits wavelength-converted light having a wavelength larger than the wavelength of the laser light from a second surface on a side opposite to the first surface. The scattered light passes through the wavelength conversion section while being scattered and is emitted from the second surface. | 09-11-2014 |
20140254129 | LIGHT SOURCE DEVICE - A light source device includes an excitation light source that generates excitation light, a phosphor wheel including a phosphor segment that generates fluorescent light by excitation of the excitation light, and a mirror that guides the excitation light from the excitation light source to the phosphor wheel and emits the fluorescent light from the phosphor wheel as illumination light. The phosphor wheel further includes an anisotropic diffusion and reflection unit that diffuses and reflects incident excitation light such that an optical path for the incident excitation light and an optical path for the diffused excitation light after incidence of the excitation light are not overlapped. The mirror includes a first region that reflects the excitation light and transmits the fluorescent light and a second region that transmits the fluorescent light and the diffused excitation light which the anisotropic diffusion and reflection unit has diffused and reflected. | 09-11-2014 |
20140254130 | Lighting Device Comprising Pump Light Source and at Least Two Phosphor Wheels - A lighting device comprising a pump light source and two or more phosphor wheels arranged one directly behind another. As a result, firstly, the heat loss can be dissipated via the two phosphor wheels. Secondly, only a single common collecting optical unit is required for collecting the conversion light emitted by the first phosphor wheel and the second phosphor wheel. | 09-11-2014 |
20140254131 | Multiple Quantum Dot (QD) Device - A lighting apparatus includes a housing structure, a light source supported within the housing structure, and a light coversion layer disposed above the light source. The light conversion layer comprises a plurality of non- or low-self absorbing quantum dots (QDs) embedded in a matrix material, each QD having a different light emission profile that is a function of a size and/or composition of the QD, each of the plurality of QDs selected to achieve a defined spectral emission profile for the lighting device when the plurality of QDs is illuminated by the light source. | 09-11-2014 |
20140254132 | LIGHTING DEVICES - A lighting device includes a cover portion configured to have a hinged connection for mounting on a housing. The cover portion includes a light emitting diode (LED) and a mixing chamber having a reflective internal surface for receiving light from the LED. A phosphorescent lens is disposed opposite the LED and is configured to reflect light from the LED back to the mixing chamber and to emanate absorbed light from the lens to a surrounding region outside of the mixing chamber. An LED driver circuit is configured to power the LED, the LED driver circuit being electrically connected to a power source. Other embodiments are also disclosed. | 09-11-2014 |
20140254133 | PHOSPHOR WHEEL, METHOD FOR PRODUCING A PHOSPHOR WHEEL AND LIGHTING ARRANGEMENT - The invention relates to a phosphor wheel comprising a carrier ( | 09-11-2014 |
20140268631 | REMOTE LUMIPHOR SOLID STATE LIGHTING DEVICES WITH ENHANCED LIGHT EXTRACTION - Solid state light emitting devices include lumiphor elements that are spatially segregated from electrically activated solid state emitters with an intermediately arranged optical element (including but not limited to a dichroic filter). Curved or faceted optical elements, and curved or faceted reflectors, may be employed. Multiple solid state emitters may be arranged in multiple reflector cups or recesses. Characteristics of optical elements and/or lumiphor elements of such devices may be varied with respect to angular position. | 09-18-2014 |
20140268632 | LIGHT APPARATUS WITH INDENTATION - A light apparatus is provided for displaying a design when the light apparatus is illuminated by a light source. In an example embodiment, the light apparatus includes a wall having a first surface and a second surface opposite to the first surface, a light source positioned behind the wall and the first surface facing the light source, the first surface of the wall comprising an indentation extending into the wall and ending before the second surface, and the indentation forming a design in the wall. In an example embodiment, the light apparatus is a lamp. In another example embodiment, the light apparatus further includes a photoluminescent layer positioned within the indentation. | 09-18-2014 |
20140268633 | DISPLAY APPARATUS - A display apparatus includes a display panel including a plurality of pixels, and a backlight unit disposed at a rear surface of the display panel and supplying a light to the display panel, where the backlight unit includes a first light source which provides a first color light to the display panel, a second light source which provides a second color light to the display panel, and a third light sources which provides a third color light to the display panel, spectral bands of the first, second and third color light are different from each other, and the first color light and the second color light have substantially the same color as each other. | 09-18-2014 |
20140268634 | DISPLAY APPARATUS - A display apparatus is provided. The display apparatus includes a first light source unit comprising a first light source that emits light having a first spectral band and a photo-converter that converts the light having the first spectral band to a first color light. A spectral band of the first color light is different from the first spectral band of the light emitted from the first light source. The display apparatus also includes a second light source unit comprising a second light source that emits light having a second spectral band. The light having the second spectral band corresponds to a second color light, and has a same color as the light having the first spectral band. A spectral band of the second color light is different from the spectral band of the first color light. | 09-18-2014 |
20140268635 | PHOSPHORIC HORTICULTURAL LIGHT - A horticultural light for use in green houses and growth chambers of plants, includes multiple LEDs (Light Emitting Diode) configured to excite a single remote phosphor up-conversion unit, typically realized on a replaceable cover glass of the light. The LED emitters are also replaceable, and preferably attached to a trunk, and not a circuit board. The distance between the plurality of LEDs and the remote phosphor up-conversion unit is configured so that the temperature of the remote phosphor up-conversion unit is 40±10 C.°, and the LED is at 130±30 C.° temperature. The combination of being able to control a separation between the remote phosphor up-conversion unit and the LEDs and having multiple LEDs emit to a single remote phosphor up-conversion unit has a great synergistic advantage: this provides a very energy efficient way of designing complex emission spectra that can be used on an industrial scale. | 09-18-2014 |
20140268636 | LAMP HAVING MULTI-FUNCTIONAL SUPPORT - There is provided a lamp having a support and a socket on the support for receiving a light bulb and selectively providing power thereto. The support has a body portion shaped to resemble a selected article. The body portion has a cavity or recess shaped to form an indicia indicating an entity associated with the selected article. The cavity or recess is positioned to receive light from the light bulb, and is filled with a photoluminescent material. | 09-18-2014 |
20140268637 | WAVELENGTH CONVERTING STRUCTURE AND MANUFACTURING METHOD THEREOF - A wavelength converting structure suitable for covering a carrier carrying at least one light-emitting diode (LED) chip is provided. The wavelength converting structure includes a base film and a fluorescent layer. The base film has a first bending portion and a first flat portion connected to the first bending portion. The first flat portion is disposed on the carrier, and an accommodating space is defined by the first bending portion and the carrier. The LED chip is disposed in the accommodating space. The fluorescent layer is disposed on the base film and has a second bending portion and a second flat portion connected to the second bending portion. The second bending portion is conformal to the first bending portion, and the second flat portion is conformal to the first flat portion. | 09-18-2014 |
20140268638 | LED LAMP WITH UNIFORM OMNIDIRECTIONAL LIGHT INTENSITY OUTPUT - A light emitting apparatus comprises: an LED-based light source; a spherical, spheroidal, or toroidal diffuser generating a Lambertian light intensity distribution output at any point on the diffuser surface responsive to illumination inside the diffuser; and a base including a base connector. The LED based light source, the diffuser, and the base are secured together as a unitary LED lamp installable in a lighting socket by connecting the base connector with the lighting socket. The diffuser is shaped and arranged respective to the LED based light source in the unitary LED lamp to conform with an isolux surface of the LED based light source. The base is operatively connected with the LED based light source in the unitary LED lamp to electrically power the LED based light source using electrical power received at the base connector. | 09-18-2014 |
20140268639 | Multi-Wavelength-Emitting Lens To Reduce Blending of Light Over Long Distances - A lamp for safety signalling is disclosed. The lamp uses quantum dot phosphors to down-convert light from a primary light source and provide red or green light. | 09-18-2014 |
20140268640 | LIGHTING DEVICE - A lighting device comprises: a heat sink which comprises one surface and a receiving recess; a light emitting module which is disposed on the one surface of the heat sink and comprises a substrate and a plurality of light sources disposed on the substrate, wherein the substrate has a first hole disposed at the center thereof and a second hole; a power controller which is electrically connected to the light emitting module through the second hole of the substrate and is disposed in the receiving recess of the heat sink, wherein the light emitting module comprises a first light emitting module comprising a first substrate and a first light source, and a second light emitting module comprising a second substrate and a second light source, wherein the first substrate and the second substrate are disposed adjacent to each other. | 09-18-2014 |
20140268641 | Illumination system, luminaire, collimator, and display device - The invention relates to an illumination system ( | 09-18-2014 |
20140268642 | LIGHT SOURCE DEVICE AND ENDOSCOPE APPARATUS COMPRISING THE SAME - A light source device includes a first semiconductor light source, a second semiconductor light source, and a wavelength converter. The first semiconductor light source emits light in a first wavelength range. The second semiconductor light source emits light in a second wavelength range different from the first wavelength range. The wavelength converter absorbs the light in the first wavelength range to emit light in a third wavelength range different from either of the first wavelength range and the second wavelength range, and transmits the light in the second wavelength range substantially entirely. | 09-18-2014 |
20140268643 | LIGHT SOURCE DEVICE AND ENDOSCOPE APPARATUS COMPRISING THE SAME - A light source device includes a first semiconductor light source, a second semiconductor light source, and a wavelength converter. The first semiconductor light source emits light in a first wavelength range. The second semiconductor light source emits light in a second wavelength range different from the first wavelength range. The wavelength converter absorbs the light in the first wavelength range to emit light in a third wavelength range different from either of the first wavelength range and the second wavelength range, and transmits the light in the second wavelength range substantially entirely. | 09-18-2014 |
20140268644 | CONVERTER ARRANGEMENT, METHOD FOR PRODUCING THE CONVERTER ARRANGEMENT AND LIGHTING ARRANGEMENT - A converter arrangement may include a converter element, including crystal or ceramic, having at least one luminescent substance, and a cooling element for dissipating heat from the converter element, wherein the converter element and the cooling element are connected in direct physical contact with one another. A method for producing a converter arrangement is also disclosed. A converter element including crystal or ceramic, having at least one luminescent substance, for dissipating heat from the converter element, is connected to a cooling element such that the converter element and the cooling element are physically in direct contact with one another. | 09-18-2014 |
20140285994 | LIGHT-EMITTING BODY AND MANUFACTURING METHOD THEREOF, AND LIGHT-EMITTING DEVICE INCLUDING THE SAME - A lighter and smaller light-emitting device (for use in a vehicle lighting unit) using a light-emitting body and a manufacturing method of the light-emitting body are provided. The light-emitting device can include a light source configured to emit light for excitation, and a light-emitting body configured to absorb excitation light to emit fluorescence light. The light-emitting body can include: a first light-transmitting member with a plate shape and having a first surface, a second surface opposite to the first surface, and an outer peripheral surface between the first surface and the second surface; a phosphor layer disposed on the outer peripheral surface of the first light-transmitting member; a second light transmitting member disposed on an outer peripheral surface of the phosphor layer; and a light-shielding member (such as a reflection film) configured to cover the first surface. In this light-emitting device, the light source can be disposed such that the excitation light therefrom can be incident on the second surface, pass through the first light-transmitting member, and reach the phosphor layer. | 09-25-2014 |
20140285995 | PHOSPHOR LAYER CONTAINING TRANSPARENT FEATURES OVER BLUE LED - LED dies are suspended in an ink and printed on a first support substrate to form a light emitting layer having a light emitting surface emitting primary light, such as blue light. A mixture of a transparent binder, phosphor powder, and transparent glass beads is formed as an ink and printed over the light emitting surface. The mixture forms a wavelength conversion layer when cured. The beads are preferably sized so that the tops of the beads protrude completely through the conversion layer. Some of the primary light passes through the beads with virtually no attenuation or backscattering, and some of the primary light is converted by the phosphor to secondary light. The combination of the secondary light and the primary light passing though the beads may form white light. The overall color is highly controllable by controlling the percentage weight of the beads. | 09-25-2014 |
20140285996 | WHITE LIGHT APPARATUS WITH ENHANCED COLOR CONTRAST - A lighting apparatus for emitting white light including a semiconductor light source emitting radiation with a peak emission between from about 250 nm to about 500 nm and a first phosphor having a peak emission between about 550 and 615 nm, wherein an overall emission spectrum of the lighting apparatus has a depression between about 550 and 615 nm, whereby the red-green color contrast is increased versus a reference illuminant. | 09-25-2014 |
20140285997 | PHOSPHOR, LIGHT-EMITTING DEVICE, IMAGE PICKUP DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, LIGHTING DEVICE, AND VEHICLE - The present disclosure provides a (Ba | 09-25-2014 |
20140285998 | OPTICAL MEMBER, DISPLAY DEVICE HAVING THE SAME AND METHOD OF FABRICATING THE SAME - Disclosed are an optical member, a display device including the same, and a method of fabricating the same. The optical member includes a first substrate; a wavelength conversion layer on the first substrate; and a second substrate on the wavelength conversion layer, wherein the wavelength conversion layer includes an oxygen barrier. | 09-25-2014 |
20140293576 | PHOSPHOR DEVICE AND ILLUMINATION SYSTEM USING SAME - A phosphor device of an illumination system emitting a first color light in a first waveband region includes a first region having n sub-regions and n single-powder phosphor agents, wherein n is ≧2. The n single-powder phosphor agents are coated on the n sub-regions, respectively, for transforming the first color light in the first waveband region into n color lights in n waveband regions. The n sub-regions are arranged in a specific area ratio. The first color light in the first waveband region is cyclically transformed into a second color light in a second waveband region, a third color light in a third waveband region, . . . , and a (n+1) | 10-02-2014 |
20140293577 | WHITE LIGHT SOURCE AND WHITE LIGHT SOURCE SYSTEM INCLUDING THE SAME - The present invention provides a white light source comprising: a blue light emitting diode (blue LED) having a light emission peak wavelength in a range of 421 to 490 nm; and a phosphor layer including phosphor and resin, wherein the white light source satisfies a relational equation of −0.2≦[(P(λ)×V(λ))/(P(λmax1)×V(λmax1))−(Bλ)×V(λ))/(B(λmax2)×V(λmax2))]≦+0.2, assuming that: a light emission spectrum of the white light source is P(λ); a light emission spectrum of black-body radiation having a same color temperature as that of the white light source is B(λ); a spectrum of a spectral luminous efficiency is V(λ); a wavelength at which P(λ)×V(λ) becomes largest is λmax1; and a wavelength at which B(λ)×V(λ) becomes largest is λmax2, and wherein an amount of chromaticity change on CIE chromaticity diagram from a time of initial lighting up of the white light source to a time after the white light source is continuously lighted up for 6000 hours is less than 0.010. According to the above white light source, there can be provided a white light source capable of reproducing the same light emission spectrum as that of natural light. | 10-02-2014 |
20140293578 | REFLECTIVE COLOR DISPLAY WITH LUMINESCENCE AND BACKLIGHTING - A reflective color display has at least a color pixel disposed to receive ambient light for front lighting and has a light source optically coupled to the color pixel to provide back light for backlighting. The color pixel has a first sub-pixel and a second sub-pixel. The first sub-pixel has a first luminescent layer with a luminescent material for converting a portion of the ambient light spectrum into light of a first color. An unpatterned mirror is disposed under the luminescent layer of the first sub-pixel and extends through the first and second sub-pixels. The unpatterned mirror reflects at least light of the first color while transmitting the back light to the first luminescent layer for conversion by the first luminescent material into light of the first color. | 10-02-2014 |
20140301062 | LED LAMPS WITH IMPROVED QUALITY OF LIGHT - LED lamp systems having improved light quality are disclosed. The lamps emit more than 500 lm and more than 2% of the power in the spectral power distribution is emitted within a wavelength range from about 390 nm to about 430 nm. | 10-09-2014 |
20140301063 | Light-emitting arrangement - A light-emitting arrangement ( | 10-09-2014 |
20140307415 | PHOSPHOR, PRODUCTION METHOD FOR THE SAME, AND LIGHT-EMITTING DEVICE - A phosphor with a high light-emitting intensity, indicated by general formula Me | 10-16-2014 |
20140307416 | compact light output device with wavelength conversion - A light output device ( | 10-16-2014 |
20140307417 | WHITE LIGHT SOURCE AND WHITE LIGHT SOURCE SYSTEM INCLUDING THE SAME - The present invention provides a white light source comprising a light emitting diode having a light emission peak wavelength of 350 to 490 nm and a phosphor that emits visible light upon excitation by a light emitted from the light emitting diode; wherein, with respect to an arbitrary local maximum value of light-emission intensity between 350 and 780 nm of a light emission spectrum of the white light source, a ratio of a local minimum value of light-emission intensity that is closest on a long wavelength side to the local maximum value is such that, when the local maximum value is taken as 1, the local minimum value is 0.5 or more. It is preferable that, with respect to an arbitrary local maximum value of light-emission intensity between 350 and 780 nm of a light emission spectrum of the white light source, a ratio of a local minimum value of light-emission intensity that is closest on a long wavelength side to the local maximum value is such that, when the local maximum value is taken as 1, the local minimum value is 0.7 or more. According to the above structure, there can be provided a white light source capable of preventing a specified wavelength region from protruding in the light emission spectrum, and capable of visually perceiving the color tone of the irradiation object as the same state where the object is irradiated with sunlight. | 10-16-2014 |
20140313692 | OPTICAL MEMBER, DISPLAY DEVICE HAVING THE SAME AND METHOD OF FABRICATING THE SAME - Disclosed are an optical member, a display device including the optical member and a method of fabricating the optical member. The display device includes a light source; a wavelength conversion member into which light generated from the light source is incident; and a display panel into which light is incident from the wavelength conversion member. The wavelength conversion member includes a receiving part having a pipe shape; a matrix in the receiving part; and a plurality of wavelength conversion particles disposed in the matrix to convert a wavelength of the light generated from the light source. | 10-23-2014 |
20140321099 | PHOSPHOR, LIGHT-EMITTING APPARATUS INCLUDING THE SAME, AND PHOSPHOR PRODUCTION METHOD - A phosphor is provided which is represented by the general formula M | 10-30-2014 |
20140321100 | LED LIGHTING DEVICE INCLUDING MODULE WHICH IS CHANGEABLE ACCORDING TO POWER CONSUMPTION AND HAVING IMPROVED HEAT RADIATION AND WATERPROOF - Disclosed is an LED lighting device of which the number of LED modules thereof is changeable according to power consumption. Through a structural change of the module, heat radiation and waterproof can be greatly improved and the size, weight and manufacturing cost can be reduced. Also, a fastening bolt allows the module to be simply attached and separated and maintenance, repair and stability can be improved by providing a wiring space inside the device. Further, there is an advantage of additionally adding a light detection sensor through a cover. The LED lighting device according to the embodiment includes a plurality of heat radiating plates; at least one light source module disposed on one surface of the heat radiating plate. | 10-30-2014 |
20140321101 | COLOR CONVERSION SUBSTRATE, DISPLAY DEVICE, AND COLOR CONVERSION SUBSTRATE FABRICATING METHOD - A color conversion substrate includes a main plate having a first main surface and including a transparent substrate, and a fluorescent material layer including a light scattering layer formed at the first main surface for scattering incident light and emitting the light outside, and having a hole formed, and a fluorescent material body formed in said hole, exhibiting luminescence emission when light of an incident wavelength region is incident. The inner surface of the light scattering layer defining the hole reflects the light from the fluorescent material body output from the fluorescent material body towards the main plate. | 10-30-2014 |
20140328046 | LIGHT EMITTING DIODE COMPONENT - In a lighting package, a printed circuit board supports at least one light emitting die. A light transmissive cover is disposed over the at least one light emitting die. A phosphor is disposed on or inside of the light transmissive dome-shaped cover. The phosphor outputs converted light responsive to irradiation by the at least one light emitting die. An encapsulant substantially fills an interior volume defined by the light-transmissive cover and the printed circuit board. | 11-06-2014 |
20140328047 | LIGHT SOURCE DEVICE - A light source device includes a primary light source unit and a light converting unit. The primary light source unit includes a primary light emitting portion. The light converting unit includes a light converting member and a secondary light emitting portion. In the two-dimensional shape of the secondary light emitting portion projected on a surface perpendicular to the optical axis of primary light, the length of the minimum width of the two-dimensional shape passing through the center of gravity of the two-dimensional shape is different from the length of the maximum width of the two-dimensional shape passing through the center of gravity. | 11-06-2014 |
20140328048 | LIGHTING DEVICE WITH SEMICONDUCTOR LIGHT SOURCE AND SPACED-APART PHOSPHOR REGION - A lighting may include at least one semiconductor light source which emits primary light, at least one phosphor region spaced apart from the at least one semiconductor light source and serving for at least partly converting the primary light into secondary light, and at least one filter disposed downstream of the at least one phosphor region, wherein the at least one filter is partly reflective at least to the primary light. | 11-06-2014 |
20140328049 | OPTICAL ARRANGEMENT WITH DIFFRACTIVE OPTICS - The present invention relates to an optical arrangement ( | 11-06-2014 |
20140334126 | LIGHT-EMITTING DEVICE WITH TOTAL INTERNAL REFLECTION (TIR) EXTRACTOR - A variety of light-emitting devices are disclosed that are configured to output light provided by a light source. In general, embodiments of the light-emitting devices feature a light source and an extractor element coupled to the light source, where the extractor element includes, at least in part, a total internal reflection (TIR) surface. Luminaires incorporating light-emitting devices of this type are also disclosed. | 11-13-2014 |
20140334127 | COLOR SHIFT SIGN - The present application is directed to an illumination device comprising a recycling cavity defined by recycling surfaces and a light emission surface; a light source within the cavity. A spectrum modifying layer is on a portion of the recycling surface, the spectrum modifying layer producing a spectral response different from the spectral response of the recycling surface. In some embodiments, the spectrum modifying layer shifts the spectral properties of the light being emitted from the light emission area from the spectral properties of the light source. In some embodiments, the spectrum modifying layer selectively absorbs a portion of light along the light source spectrum. In some embodiments, the spectrum modifying layer re-emits light at a wavelength longer than the wavelength it absorbed. | 11-13-2014 |
20140340869 | HIGH BRIGHTNESS SOLID STATE ILLUMINATION SYSTEM FOR FLUORESCENCE IMAGING AND ANALYSIS - A solid state illumination system is disclosed, wherein a light source module comprises a first light source, comprising an LED and a phosphor layer, the LED emitting a wavelength λ | 11-20-2014 |
20140340870 | OMNIDIRECTIONAL LED LIGHT BULB - An LED light bulb has a hollow LED support/heat sink ( | 11-20-2014 |
20140347841 | LIGHTING APPARATUS - A lighting apparatus including a base, a light cover, an optical element, and at least a light emitting element is provided. The light cover having a first opening is disposed on the base and together with the base forms a space. The optical element is fixed on the light cover and substantially covers the first opening of the light cover. The light emitting element is disposed in the space. A light emitted by the light emitting element passes through the optical element and emits from the light cover to form an illumination property of the lighting apparatus, wherein the light cover together with the optical element is movable with respect to the light emitting element. When the light cover and the optical element have different relative positions with respect to the light emitting element, the illumination properties are different. | 11-27-2014 |
20140347842 | RADIATION GENERATING APPARATUS AND A METHOD OF GENERATING RADIATION - Radiation generating apparatus is disclosed. The apparatus comprises a first radiation generating source for generating radiation comprising a first range of wavelengths, a second radiation generating source for generating radiation comprising a second range of wavelengths and a photoluminescent material which is arranged to absorb radiation in the first and second wavelength range and generate radiation comprising a third range of wavelengths. The material comprises a first facet which is arranged to receive radiation from the first radiation source from a first direction and a second facet which is arranged to receive radiation from the second radiation source from a second direction. The first and second directions are substantially collinear, but opposing directions to provide for an increased illumination of the material across the same area of the material. | 11-27-2014 |
20140347843 | LIGHT-EMITTING DEVICE, ILLUMINATING DEVICE, VEHICLE HEADLAMP, AND METHOD FOR PRODUCING LIGHT-EMITTING DEVICE - A headlamp disclosed includes: a laser diode for emitting a laser beam; a light emitting section including a fluorescent material which emits light in response to excitation light emitted from the laser diode; a light-transmitting heat conducting member which is provided so as to face a laser beam irradiation surface of the light emitting section and receive heat of the light emitting section; and an adhesive layer filling a gap between the heat conducting member and the laser beam irradiation surface. This arrangement improves efficiency of the heat conducting member in absorbing the heat of the light emitting section, and consequently cools the light emitting section efficiently. | 11-27-2014 |
20140355238 | LIGHT-EMITTING DEVICE - A light-emitting device includes a light-emitting component. The light-emitting component includes a circuit board, a light-emitting diode which is mounted on and electrically connected to the circuit board, a wavelength-converting shell which covers the light-emitting diode, and a heat conductive layer which is formed on the wavelength-converting shell and which includes graphene. | 12-04-2014 |
20140355239 | Beam shaping light emitting module - There is provided a light emitting module ( | 12-04-2014 |
20140355240 | Illumination Unit Having Luminescent Element - A lighting unit ( | 12-04-2014 |
20140355241 | HEAT-DISSIPATING STRUCTURE FOR LIGHTING APPARATUS AND LIGHTING APPARATUS - There is provided a lighting device including: a light emitting module having at least one light emitting device outputting light and a light emitting device board on which the at least one light emitting device is disposed; a housing installed on one side of a ring in a central axis direction relatively to the light emitting device board; and a resin globe installed to cover the light emitting module, wherein the globe has a plurality of protrusions formed by retaining at least a portion of a gate unit used in molding the globe, and the light emitting device board may have notch portions combined with the protrusions. | 12-04-2014 |
20140355242 | LIGHT SOURCE USING REMOTE PHOSPHOR AND PINK LED - The invention provides alighting unit ( | 12-04-2014 |
20140355243 | Lighting device comprising a reflector device - The present invention relates to a lighting device ( | 12-04-2014 |
20140355244 | Fluorescent Device For Converting Pumping Light - A phosphor device ( | 12-04-2014 |
20140355245 | LED ILLUMINATION APPARATUS - An LED illumination apparatus according to an exemplary embodiment of the present invention includes a substrate, a light source disposed on the substrate, a cover unit, wherein the cover unit is configured to cover the light source, which is disposed on the substrate, and a reflector which is configured to extend from the cover unit inside to the upper substrate, whereby a light generated by the light source illuminates an area below a bottom side of the substrate. | 12-04-2014 |
20140362557 | LED White Light Source with a Combined Remote Photoluminescent Converter - The invention relates to white-light sources based on semiconductor light-emitting diodes with remote photoluminescent converters. Essence of the invention: a lamp comprises a heat-dissipating base with a radiation exit opening, LEDs secured about the periphery of the opening and emitting a primary radiation, and, at a distance from said LEDS, a primary radiation converter in the form of a concave layer of photoluminescent material and a light reflector with a concave light-reflecting surface arranged consecutively on one side of the opening such that the concavities of the radiation converter and the light reflector are oriented towards the LEDs and the exit opening, wherein the lamp further comprises a second radiation converter which is situated on the other side of the opening and is flat or convex. Secondary radiation, generated as the primary radiation strikes the surface of the converter, exits via the opening in the heat-dissipating base and excites the photoluminescent material of the second radiation converter, causing the emission of tertiary radiation, and white light, generated as a result of the combination of the secondary and tertiary radiation, exits the second converter. | 12-11-2014 |
20140362558 | Luminescent Body For Converting Pump Light - A phosphor body ( | 12-11-2014 |
20140369022 | LIGHT-EMITTING DEVICE - A light-emitting device is provided comprising an excitation light source capable of emitting laser light and a phosphor adapted to convert the wavelength of the laser light and to generate light of converted wavelength. The phosphor is polycrystalline secondary particles each consisting of a plurality of primary particles and containing therein pores with a diameter of 0.2-25 μm. The device produces light of quality in that the speckle noise that gives a glare or strange sense to eyesight when the light is illuminated to a rough surface is reduced. | 12-18-2014 |
20140369023 | LASER-PHOSPHOR DEVICE WITH LASER ARRAY - A laser-phosphor device is disclosed wherein laser radiation from a laser array is transmitted via a collimating primary optical unit and via an imaging optical system onto a phosphor layer. The laser arrangement has a plurality of lasers, for example laser diodes. Via the imaging optical system, a reduced imaging of the laser radiation distribution of the primary optical unit is produced on the phosphor layer. | 12-18-2014 |
20140369024 | NOVEL MATERIALS AND METHODS FOR DISPERSING NANO PARTICLES IN MATRICES WITH HIGH QUANTUM YIELDS AND STABILITY - The invention provides a process for the production of a solid polymer with embedded luminescent nano particles, comprising (1) mixing luminescent nano particles with an outer surface coated with capping molecules comprising a first functional group and a second functional group and a precursor of a solid polymer, and (2) allowing the solid polymer to be formed; wherein the first functional group is configured to bind to the outer surface of the quantum dot and the second functional group is miscible with the precursor of the solid polymer and/or is able to react with the precursor of the solid polymer. The invention also provides a luminescent polymeric article comprising a solid polymer with in the polymer article embedded luminescent nano particles with an outer surface coated with capping molecules comprising a first functional group and a second functional group. | 12-18-2014 |
20140369025 | LIGHTING APPARATUS COMPRISING PHOSPHOR WHEEL - Various embodiments relate to a lighting apparatus including at least one light generating device for generating primary light, and at least one phosphor wheel arranged optically downstream of the light generating device. The phosphor wheel may include at least one phosphor for wavelength conversion of the primary light into secondary light. A plurality of phosphor wheels are arranged optically downstream of the light generating device, | 12-18-2014 |
20140376205 | PHOSPHOR AND LIGHT-EMITTING DEVICE USING THE SAME - A phosphor according to the present disclosure is obtained by adding a rare earth element to a host material having boron, nitrogen, and oxygen as main components, and a composition formula is represented by B(l)O(m)N(n):Z. Here, B, O, N, and Z indicate boron, oxygen, nitrogen, and the rare earth element, respectively. Moreover, each of l, m, and n indicates element content. | 12-25-2014 |
20150009649 | LIGHT EMITING MODULE, A LAMP, A LUMINAIRE AND A DISPLAY DEVICE - A light emitting module ( | 01-08-2015 |
20150016086 | Electric Candles With Luminescent Material - Electric lighting devices are described that include one or more luminescent materials configured to help create a flickering flame effect. The luminescent material(s) could be disposed within, under, or on an outer surface of the device's body or as part of the flame element extending from the body. | 01-15-2015 |
20150016087 | Circuit Board, Method For Manufacturing The Circuit Board, And Illumination Device Comprising The Circuit Board - A circuit board ( | 01-15-2015 |
20150016088 | LIGHTING DEVICE - A lighting device ( | 01-15-2015 |
20150022998 | White Light Illumination System with Narrow Band Green Phosphor and Multiple-Wavelength Excitation - A white light illumination system may comprise: a phosphor package; a first radiation source for providing co-excitation radiation to the phosphor package, the source emitting in wavelengths ranging from about 250 nm to about 410 nm; and a second radiation source for providing co-excitation radiation to the phosphor package, the source emitting in wavelengths ranging from about 410 nm to about 540 nm; wherein the phosphor package is configured to emit photoluminescence in wavelengths ranging from about 440 nm to about 700 nm upon co-excitation from the first and second radiation sources, and wherein the phosphor package comprises at least one narrow band green phosphor with a photoluminescence peak with a full width at half maximum of less than 60 nm, and wherein the narrow band green phosphor is configured to emit photoluminescence in wavelengths ranging from about 500 nm to about 550 nm. | 01-22-2015 |
20150022999 | LIGHTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - A lighting device in which a heat sink and a cover are formed by co-extrusion and a manufacturing method for the same are provided. The heat sink and the cover may be co-extruded. A shape control portion may be formed at the heat sink to control a shape of a seating portion to seat a circuit substrate during extrusion of the heat sink. In addition, a light characteristic control portion may be provided between a light emitting diode (LED) and the cover to control characteristic of light generated from the LED. | 01-22-2015 |
20150036316 | WHITE LIGHT-EMITTING DIODE WITH HIGH UNIFORMITY AND WIDE ANGLE INTENSITY DISTRIBUTION - The present invention relates to a white light-emitting diode with high uniformity and wide angle intensity distribution, and particularly relates to a color temperature tunable white light-emitting diode with high uniformity and wide angle intensity distribution. A nano-phosphor material is coated on one surface of a lampshade of the white light-emitting diode to form a white light phosphor layer for providing a stable white light with high uniformity, wide angle intensity distribution, and good illuminance. Furthermore, the color temperature of the white light-emitting diode can be adjusted by changing the ratio of compositions of white light phosphor layer. | 02-05-2015 |
20150036317 | LIGHT SOURCE DEVICE AND DISPLAY UNIT - A light source device includes: a substrate; a plurality of light sources disposed on the substrate; a wavelength conversion member disposed to face the plurality of light sources; and a diffusion member disposed between the wavelength conversion member and the plurality of light sources, and configured to uniformize distribution of traveling direction angle of incident light. | 02-05-2015 |
20150036318 | LED LIGHT APPARATUS - Provided are an illumination device and a light fixture including the illumination device. The illumination device includes a body formed of a thermally-conductive material that includes a planar heat transfer surface and a fastener that is compatible with a base that couples the body to the light fixture. A substrate formed, at least in part from a dielectric material supports an array of light emitting diodes and a plurality of contacts electrically connected to the light emitting diodes. A thermally-conductive planar surface is provided to the dielectric material of the substrate to be placed in thermal communication with the heat transfer surface and conduct heat generated by the light emitting diodes to the body. | 02-05-2015 |
20150049456 | LIGHT MODULE AND METHOD FOR GENERATING WAVELENGTH-CONVERTED LIGHT IN THE RED SPECTRAL RANGE, AND METHOD FOR PROVIDING A WAVELENGTH CONVERSION ELEMENT - A light module includes a wavelength conversion element and an excitation radiation source to emit excitation radiation having the first wavelength and arranged such that excitation radiation emitted by the excitation radiation source can be radiated onto the wavelength conversion element. The element has an emission spectrum having a red spectral component and a second dominant wavelength, which is less than a first dominant wavelength of the wavelength spectrum of the light to be generated by a predefinable value. The light module includes a long-pass filter arranged such that light emitted by the element can be radiated onto the long-pass filter. The long-pass filter is designed to filter the light emitted by the element and radiated onto the long-pass filter such that the filtered light has the wavelength spectrum of the light to be generated having the predefinable dominant wavelength. | 02-19-2015 |
20150049457 | LIGHTING DEVICE WITH A PUMP LASER ROW AND METHOD FOR OPERATING SAID LIGHTING DEVICE - A lighting device may include a pump laser row and a phosphor arrangement. The pump laser row is designed for the purpose of emitting pump laser radiation for the irradiation of the phosphor arrangement. The phosphor arrangement has at least two different phosphors, which can be irradiated with the pump laser radiation and emit the pump laser radiation again at least partially and converted in wavelength differently in each case, and a movable mirror, which is designed for the purpose of reflecting the pump laser radiation of the pump laser row in a targeted manner on the phosphors in dependence on its position. | 02-19-2015 |
20150049458 | COLOR ADJUSTABLE LIGHT EMITTING ARRANGEMENT - A color-adjustable light emitting arrangement ( | 02-19-2015 |
20150049459 | WHITE LIGHT EMITTING MODULE - A light emitting module ( | 02-19-2015 |
20150049460 | LED LAMPS WITH IMPROVED QUALITY OF LIGHT - LED lamp systems having improved light quality are disclosed. The lamps emit more than 500 lm and more than 2% of the power in the spectral power distribution is emitted within a wavelength range from about 390 nm to about 430 nm. | 02-19-2015 |
20150055319 | WAVELENGTH CONVERSION STRUCTURE FOR A LIGHT SOURCE - A wavelength conversion structure for a light source including a solid-state light-emitting device. The wavelength conversion structure includes one or more apertures formed therein. The apertures may permit color steering of the light downstream of the conversion structure without a substantial reduction in the output of secondary light produced during a conversion process. | 02-26-2015 |
20150055320 | LED-BASED ILLUMINATION MODULE WITH PREFERENTIALLY ILLUMINATED COLOR CONVERTING SURFACES - An illumination module includes a color conversion cavity with a first interior surface having a first wavelength converting material and a second interior surface having a second wavelength converting material. A first LED is configured to receive a first current and to emit light that preferentially illuminates the first interior surface. A second LED is configured to receive a second current and emit light that preferentially illuminates the second interior surface. The first current and the second current are selectable to achieve a range of correlated color temperature (CCT) of light output by the LED based illumination device. | 02-26-2015 |
20150055321 | LED-BASED ILLUMINATION MODULE WITH PREFERENTIALLY ILLUMINATED COLOR CONVERTING SURFACES - An illumination module includes a color conversion cavity with multiple interior surfaces, such as sidewalls and an output window. A shaped reflector is disposed above a mounting board upon which are mounted LEDs. The shaped reflector includes a first plurality of reflective surfaces that preferentially direct light emitted from a first LED to a first interior surface of the color conversion cavity and a second plurality of reflective surfaces that preferentially direct light emitted from a second LED to a second interior surface. The illumination module may further include a second color conversion cavity. | 02-26-2015 |
20150055322 | RED EMITTING NITRIDE FLUORESCENT MATERIAL AND WHITE LIGHT EMITTING DEVICE USING THE SAME - [Problem to be Solved] | 02-26-2015 |
20150062869 | LIGHTING DEVICE - A lighting device may be provided that includes: a light source which includes a blue light emitting device emitting blue light, and a red light emitting device emitting red light in a visible light spectrum; an optical exciter which is disposed on the light source, is spaced apart from the blue light emitting device and the red light emitting device, and includes at least one phosphor; and a power supply unit which is electrically connected to the light source and controls on/off of the blue light emitting device and the red light emitting device. When the blue light emitting device is an on-state and the red light emitting device is an off-state by the power supply unit, light emitted from the optical exciter is disposed within a specific area on a CIE 1931 chromaticity diagram. The specific area is formed by connecting three color coordinates, and the three color coordinates are (0.32, 0.4), (0.36, 0.5) and (0.368, 0.49). When the blue light emitting device and the red light emitting device are an on-state, the light emitted from the optical exciter is disposed within a predetermined target color coordinate range on the CIE 1931 chromaticity diagram. | 03-05-2015 |
20150062870 | DISPLAY DEVICE - The purpose of the present invention is to provide a display device in which light emitted from a phosphor is used with enhanced efficiency. A display device is provided with a light source unit for emitting light, a plurality of phosphors for emitting light upon incidence thereon of light from the light source unit, a transparent substrate disposed on the phosphors, a color conversion substrate formed between the phosphors and the transparent substrate and including a reflective member and a low refractive index layer having a refractive index lower than that of the phosphors, and an air layer between the phosphors and the light source unit. | 03-05-2015 |
20150070871 | LED ASSEMBLY - Disclosed are LED assemblies and their applications. An example LED assembly has an LED chip, a supportive structure and a transparent structure. The LED chip includes a transparent substrate, at least one LED cell, and two pads. The transparent substrate has a top surface with two terminals. The LED cell is formed on the top surface, and includes at least one light-emitting stack configured to emit light. The pad is formed on the top surface at the two terminals. The supportive structure has a transparent portion and a conductive portion. The conductive portion is connected to the transparent portion to fix the LED chip and supply electric power to at least one of the pads. The transparent structure encapsulates the LED cell. | 03-12-2015 |
20150070872 | METHOD AND SYSTEM FOR FORMING LED LIGHT EMITTERS - A flexible sheet of light-emitting diode (LED) light emitters includes a support substrate having a thermally conductive material. The flexible sheet of LED light emitters also has a ceramic substrate sheet overlying support substrate, and the ceramic substrate sheet including a plurality of LED light emitters. The flexible sheet of LED light emitters also has a flexible circuit sheet overlying the ceramic substrate sheet, and a phosphor sheet overlying the flexible circuit sheet. The phosphor sheet includes a wave-length converting material. The flexible sheet of LED light emitters also has a lens sheet overlying the phosphor sheet. The lens sheet includes a plurality of lenses. | 03-12-2015 |
20150077970 | LIGHT SOURCE, A METHOD OF MANUFACTURING THE SAME, AND A BACKLIGHT UNIT HAVING THE SAME - A light source includes a substrate and a plurality of light emitting devices disposed on the substrate. Each of the light emitting devices is configured to generate a first light. A plurality of quantum-dot devices are respectively disposed on the light emitting devices. The quantum-dot devices are configured to convert the first light to a second light. The quantum-dot devices are configured to be attached to and detached from the light emitting devices, respectively. | 03-19-2015 |
20150077971 | COLOR TUNABLE LIGHT EMITTING DEVICE - A color/color temperature tunable light emitting device comprises: an excitation source (LED) operable to generate light of a first wavelength range and a wavelength converting component comprising a phosphor material which is operable to convert at least a part of the light into light of a second wavelength range. Light emitted by the device comprises the combined light of the first and second wavelength ranges. The wavelength converting component has a wavelength converting property (phosphor material concentration per unit area) that varies spatially. The color of light generated by the source is tunable by relative movement of the wavelength converting component and excitation source such that the light of the first wavelength range is incident on a different part of the wavelength converting component and the generated light comprises different relative proportions of light of the first and second wavelength ranges. | 03-19-2015 |
20150077972 | LIGHT EMITTING DEVICE - A light emitting device includes a semiconductor laser element configured to emit laser light having a peak wavelength of 460 nm or less; a base body having a through-hole through which the laser light passes from a bottom to a top of the base body; a fluorescent member disposed so as to close the through-hole; and a filter configured to reflect fluorescence from the fluorescent member, the filter being disposed below the fluorescent member at a position above and spaced apart from a plane including a lower end of the through-hole. At least in a portion lower than the filter, an inner surface of the base body defining the through-hole includes an inclination surface that is inclined such that the through-hole expands from a lower part of the through-hole toward an upper part of the through-hole. A reflection layer containing aluminum is formed on the inclination surface. | 03-19-2015 |
20150077973 | WHITE LIGHT ILLUMINATION DEVICE - A converter ( | 03-19-2015 |
20150077974 | HIGH RECYCLING EFFICIENCY SOLID STATE LIGHT SOURCE DEVICE - A light source device includes a LED light source or a wavelength conversion material having a near Lambertian light emitting surface. The light source device includes a light recycling system to reflect small-angle lights (lights closer to the normal direction of the light emitting surface) back to the light source, and a collection system for collecting and outputting large-angle lights (lights farther away from the normal direction). The lights reflected by the light recycling system is scattered by the emitting surface in all directions, where the large-angle scattered lights are collected by the light collection system and the small-angle scattered light is reflected by the light recycling system again. A second excitation light source without wavelength conversion material or a second light source with its own wavelength conversion material may be provided, and the second light is directed to the light emitting surface by appropriate optical components. | 03-19-2015 |
20150085466 | LOW PROFILE LED-BASED LIGHTING ARRANGEMENTS - Disclosed are LED-based lighting arrangements that include an integrated lighting component that includes both a photoluminescence wavelength conversion portion and a diffusing portion. The integrated lighting component can be used to implement low-profile lighting arrangements having very small installation space requirements. | 03-26-2015 |
20150085467 | RED LAMP AND VEHICLE LIGHTING FIXTURE - A red lamp is provided comprising a blue LED array and a red emissive member. The red emissive member is made of a resin having dispersed therein a phosphor capable of absorbing blue light and emitting red light, the phosphor being selected from among silicate, SiAlON, silicon nitride, sulfide, and garnet structure phosphors. The red lamp offers high efficiency, high light intensity, and improved visibility both in front and lateral directions and is thus suited for use in vehicle lighting fixtures such as red rear position lamps and red stop lamps. | 03-26-2015 |
20150085468 | LIGHT-EMITTING DEVICE - An embodiment of the present invention discloses a light-emitting device. The light-emitting device includes a light source configured to emit a first light at a first high temperature; and an optical element, distant from the light source, configured to generate a second light in response to an irradiation of the first light, and reach a second high temperature higher than the first high temperature under the irradiation of the first light. | 03-26-2015 |
20150085469 | ILLUMINATION APPARATUS - An illumination apparatus includes a light source unit which emits primary light, and an optical unit which functions when the primary light emitted from the light source unit is applied to the optical unit. The optical unit includes a reducing portion which is directly provided in a illumination light emitting portion or provided frontward to part of the illumination light emitting portion and which reduces the density of the primary light as the illumination light emitted from the illumination light emitting portion. | 03-26-2015 |
20150092391 | DEVICE FOR SUPPLYING ELECTROMAGNETIC RADIATION - A device for providing electromagnetic radiation may include a radiation arrangement for generating excitation radiation, and at least one conversion element for generating conversion radiation, which includes condensed metal phosphate and phosphors embedded in the condensed metal phosphate, and is arranged at a distance from the radiation arrangement in a beam path of the excitation radiation. The conversion element includes a silicatic matrix and alkali metal phosphate. | 04-02-2015 |
20150092392 | GENERATION OF WHITE LIGHT - An arrangement for generating white light is provided. The arrangement generates the white light by combining blue light and yellow light. The yellow light originates from a converter which transforms into yellow light virtually all blue light that enters the converter. | 04-02-2015 |
20150098206 | LED LAMP - A lamp comprises an optically transmissive enclosure and a base. An LED assembly is located in the enclosure and is operable to emit light when energized through an electrical path from the base. The LED assembly comprises an LED and a lumophoric dome that surrounds the LED. A partially reflective pad is on the lumophoric dome for manipulating the pattern of light emitted from the lumophoric dome. A heat sink comprises a heat dissipating portion that is at least partially exposed to the ambient environment and a heat conducting portion that is thermally coupled to the LED. An optically transmissive lens emits light from the enclosure where the lens comprises an annular area defined by a textured surface and a transparent area interior of the annular area. | 04-09-2015 |
20150098207 | HIGH LUMINANCE SOLID STATE LIGHT SOURCE - The present invention relates to a solid-state light source comprising one or several laser diodes ( | 04-09-2015 |
20150103510 | SPECIAL EFFECTS SYSTEM USING RETROREFLECTIONS TO CREATE AN ILLUSION OF GLOWING TOYS AND PROPS - A special effects (FX) system for generating a penumbra or glow effect about an object. Briefly, the FX system includes at least one sheet of retroreflective material and a penumbra activator. The penumbra activator is designed to selectively direct light toward a reflective surface of the retroreflective material. For example, the penumbra activator may include an elongated core element extending from a hilt. The body of the core element may include strings or sets of direction light sources, which may be spaced apart along the length of external surfaces of the core element body. A controller is used to operate the light sources such as by sequentially illuminating the lights sources from an end near the base/hilt to an end near a tip/distal end of the core element body, with earlier lit sources remaining on in some cases to cause a light sword blade to grow out of the hilt. | 04-16-2015 |
20150103511 | LIGHTING DEVICE INCLUDING PHOSPHOR COVER AND METHOD OF MANUFACTURING THE SAME - In a first aspect of the present inventive subject matter, a lighting device includes a light source including a light-emitting surface, and a phosphor cover including a spiral surface that covers the light-emitting surface of the light source. In a second aspect of the present inventive subject matter, a phosphor cover including a spiral surface may include one or more layers. In a third aspect of the present inventive subject matter, a method manufacturing a lighting device includes: rolling up a phosphor film from one end to another end to form a roll with spiral surfaces both ends of the roll of the phosphor film. | 04-16-2015 |
20150103512 | SOLID STATE LIGHT ASSEMBLY WITH CONTROL CIRCUIT - A light assembly that includes a cover, a housing coupled to the cover, and a lamp base coupled to the cover. The light assembly also includes a first circuit board disposed within the housing. The first circuit board has a plurality of light sources thereon. A heat sink is thermally coupled to the light sources and is disposed within the housing. The heat sink includes openings therethrough. Each of the outer edges is in contact with the housing. The light assembly also includes an elongated control circuit board assembly electrically coupled to the light sources of the first circuit board and the lamp base. The control circuit board extends through the openings. The control circuit board has a plurality of electrical components thereon for controlling the light sources. | 04-16-2015 |
20150109758 | LED LAMP WITH ND-GLASS BULB - LED based lamps are disclosed. In an embodiment, an LED based lamp includes a concave optical diffuser, a concave neodymium-doped glass bulb, a reflector, a printed circuit board that includes a plurality of light-emitting diodes (LEDs) configured to emit light, and a heat sink body. The concave optical diffuser has a first interior volume, and the concave neodymium-doped glass bulb is positioned within the first interior volume. The neodymium-doped glass bulb defines a second interior volume, and both the reflector and the printed circuit board are positioned within the second interior volume. The reflector includes a sloped annular wall with an inner reflective surface and an outer reflective surface, and a bottom portion of the reflector is connected to the printed circuit board. The heat sink is thermally connected to the printed circuit board and to the reflector. | 04-23-2015 |
20150109759 | Optical Source Device - The optical source device for a medical use or an industrial use can emit light of only an optical component of a required wavelength band without using xenon or filter and being harmful to not only an object itself such as an operated part but also an operator or observer and with a high efficiency and a high function. The device comprises a plurality of luminescent portions which each have a different luminescent wavelength band; wavelength restricting portions which each restrict each luminescent wavelength band of the luminescent portions; a mixing portion which mixes the outputs of the wavelength restricting portions; and a controlling portion which controls each luminescent output of the luminescent portions to emit light of only a necessary wavelength band. | 04-23-2015 |
20150116980 | ILLUMINATION SYSTEM - The invention is an illumination system comprising a semiconductor light source module. The illumination system comprises a reflector comprising a curved reflective surface, a holder coupled to the reflector, and a semiconductor light source module comprising a first light-emitting unit and a second light-emitting unit. The holder comprises a second holding section and a first holding section disposed between the reflector and the second holding section. The semiconductor light-source module is disposed on the second holding section to face the curved reflective surface. An angle between at least a light-emitting unit and at least a part of the first holding section is formed and ranges from 145 to 175 degrees. | 04-30-2015 |
20150116981 | PHSOPHOR WHEEL AND WHITE LIGHT ILLUMINATION DEVICE UTILIZING THE SAME - Disclosed is a phosphor wheel including a substrate, a first phosphor region on the substrate, and a second phosphor region on the substrate. The first phosphor region and the second phosphor region are concentric patterns without any space between their interface. Moreover, the second phosphor region is set to around the first phosphor region. | 04-30-2015 |
20150116982 | WAVELENGTH CONVERSION AND FILTERING MODULE AND LIGHT SOURCE SYSTEM - A wavelength conversion and filtering module that includes a plurality of optical regions is provided. The optical regions are adapted to move, and at least one of the optical regions includes a reflection unit, a wavelength conversion unit, a prism sheet, and a filter unit. The wavelength conversion unit is located between the reflection unit and the prism sheet. The prism sheet is located between the wavelength conversion unit and the filter unit. A light source system is also provided. | 04-30-2015 |
20150116983 | LIGHTING SOURCE USING SOLID STATE EMITTER AND PHOSPHOR MATERIALS - A light-emitting apparatus includes a substrate, a light source configured to emit light and arranged on the substrate, a phosphor layer being apart from the light source and configured to convert the light into forward transmitted light and backward transmitted light, and an optic device, being narrower than the substrate and having a transparent side wall, configured to direct at least a portion of the backward transmitted light through the transparent side wall and toward the substrate. In another aspect, a light-emitting apparatus includes a transparent base, a light source on the transparent base, a transparent material covering the light source, a phosphor layer on the transparent material, and a transparent wall on the phosphor layer. | 04-30-2015 |
20150124428 | Lens Having An Internal Reflection Layer | 05-07-2015 |
20150124429 | LIGHT MODULE FOR GENERATING WAVELENGTH-CONVERTED LIGHT - Various embodiments relate to a light module having an excitation radiation source, a rotatable color wheel having a plurality of sectors which can be irradiated sequentially by the excitation radiation source upon a rotation of the color wheel. In this case, a wavelength conversion element is arranged in a first region at least in one of the sectors. Furthermore, at least one subregion of a second region of the color wheel is embodied as at least partly light-transmissive, and at least one part of the light emitted by the at least one wavelength conversion element can be guided through said subregion to an output of the light module. | 05-07-2015 |
20150124430 | Lighting device and method for generating light by means of a wavelength conversion arrangement and a band-stop filter, and method for providing a band-stop filter - The invention proposes a lighting device ( | 05-07-2015 |
20150124431 | ILLUMINATION APPARATUS - An illumination apparatus includes a first unit, a second unit, and a third unit. The first unit includes an excitation light source that produces excitation light. The second unit includes a light-for-illumination phosphor. The light-for-illumination phosphor produces and outputs light for illumination when the light-for-illumination phosphor receives excitation light. Furthermore, the second unit produces and outputs light for projection. The light for illumination and the light for projection are outputted in a time division manner. The third unit includes a light shaping member. The third unit shapes the light for illumination by the light shaping member and guides the shaped light for illumination to the outside as illumination light, and shapes the light for projection by the light shaping member and guides the shaped light for projection to the outside as projection light. | 05-07-2015 |
20150124432 | LIGHT EMITTING DEVICE, ILLUMINATION DEVICE, AND VEHICLE HEADLAMP - An illumination device | 05-07-2015 |
20150124433 | VISIBLE LIGHT COMMUNICATION SYSTEM - A visible light communication system includes a light transmitter including a group III nitride semiconductor laser element and a wavelength converter provided to face a light exit surface of the nitride semiconductor laser element and containing a fluorescent material. The visible light communication system further includes a wavelength filter configured to remove light emitted from the fluorescent material and a light receiving element configured to receive light emitted from the group III nitride semiconductor laser element via the wavelength filter. | 05-07-2015 |
20150131259 | HYBRID LIGHT BULBS USING COMBINATIONS OF REMOTE PHOSPHOR LEDS AND DIRECT EMITTING LEDS - A light source suitable for general lighting applications combines at least one remote phosphor LED and at least one direct emitting LED in a single unit. Both the remote phosphor LED and the direct emitting LED are carried by a base and covered by a bulb or other suitable cover member, which may be light-diffusing. The remote phosphor LED includes a first LED, a phosphor layer, and a first dichroic reflector. Excitation light from the first LED is reflected by the first dichroic reflector onto the phosphor layer to generate phosphor light, which is substantially transmitted by the first dichroic reflector. At least some light from the direct emitting LED propagates to the cover member without passing through any dichroic reflector, including the first dichroic reflector. The light source may provide white light output using relatively small amounts of phosphor material. | 05-14-2015 |
20150131260 | LIGHT-EMITTING DEVICE COMPRISING A HOLLOW RETRO-REFLECTOR - The present invention relates to a light-emitting device ( | 05-14-2015 |
20150131261 | HIGH NA OPTICAL SYSTEM AND DEVICE - Embodiments described herein provide an optical system having a light source (e.g., LED) and a high numerical aperture multi-element optical stack. According to one embodiment, the optical stack can reimage an entrance aperture. The multi-element optical stack can include a number of optical elements forming a series of lenses. The series of lenses comprises, a first lens positioned to receive light emitted in a first beam angle and a second lens more distal from the LED than the first lens, the second lens defining a second lens exit aperture that has at least a minimum area necessary to conserve radiance for the emission beam angle in air. The lenses in said series of lenses are configured, in combination, to successively reduce a beam angle of light from the first beam angle to the emission beam angle. | 05-14-2015 |
20150138752 | LINEAR LAMP REPLACEMENT - A linear lamp is provided having one or more light emitting elements provided therein. The light emitting elements are directed to emit light in a direction different from the primary direction of the illumination of the lamp. The light emitting elements may be supported by a supporting optical element. The supporting optical element may permit the transmission of light therethrough. The supporting optical element may be an integral window upon which the light emitting elements are disposed. | 05-21-2015 |
20150138753 | LIGHT-SOURCE APPARATUS - The optical-path configuration is made more compact and light is generated at high efficiency. Provided is a light-source apparatus including a light source that outputs monochromatic light; a wavelength conversion device that is disposed on an output optical axis of the light source and that generates light having a different color from that of the monochromatic light upon being irradiated with the monochromatic light; and a dichroic mirror that is disposed between the light source and the wavelength conversion device, that transmits the monochromatic light, and that, of the light generated at the wavelength conversion device, reflects back toward the wavelength conversion device light that has been scattered toward the light source so as to be parallel to the output optical axis. | 05-21-2015 |
20150146406 | BLUE LIGHT MIXING METHOD AND SYSTEM USING THE SAME - A blue light mixing method includes the steps of: providing a blue laser; disposing a wavelength conversion device on the light path of the blue laser wherein a part of the blue laser excites the wavelength conversion device to emit a wavelength-modulated blue light; and mixing the blue laser that hasn't undergone the wavelength modulation and the wavelength-modulated blue light. | 05-28-2015 |
20150146407 | Lighting device having a remote wavelength converting layer - According to an aspect of the present invention, a lighting device ( | 05-28-2015 |
20150146408 | Phosphor, Method for Producing Same, Light Emitting Device, and Image Display Device - To provide a phosphor being chemically-thermally stable and having high luminous intensity if combined with LED of not exceeding 470 nm. A phosphor of the present invention includes: inorganic compound including: a crystal represented by Li | 05-28-2015 |
20150146409 | LIGHT SOURCE APPARATUS - The invention provides a light source apparatus including first and second light sources that output light in mutually opposing directions along a single optical axis; a wavelength conversion element that is disposed between these light sources and that generates light of a wavelength different from that of said light due to irradiation with the light; a first optical member that is disposed between the wavelength conversion element and the first light source, that transmits the light therefrom, and that reflects back light that is scattered towards the first light source, toward the wavelength conversion element; and a second optical member that is disposed between the wavelength conversion element and the second light source, that transmits the light therefrom, and that deflects, in a direction intersecting the optical axis, the light scattered toward the second light source and the light reflected back by the first optical member. | 05-28-2015 |
20150146410 | LIGHT EMITTING DEVICE - In a light emitting device ( | 05-28-2015 |
20150291876 | PDMS-BASED LIGANDS FOR QUANTUM DOTS IN SILICONES - The invention provides a process for the production of a light converter comprising a siloxane polymer matrix with light converter nano particles embedded therein, the process comprising (a) mixing (i) light converter nano particles having an outer surface grafted with grafting ligands and (ii) curable siloxane polymers, and (b) curing the curable siloxane polymers, thereby producing the light converter; wherein the grafting ligands comprise siloxane grafting ligands having x1 Si backbone elements, wherein at least one Si backbone element of each siloxane grafting ligand comprises a side group having a grafting functionality; wherein the curable siloxane polymers have y1 Si backbone elements; and wherein x1 is at least 20, wherein y1 is at least 2, and wherein x1/y1≧0.8. | 10-15-2015 |
20150295144 | LED BASED DEVICE WITH WIDE COLOR GAMUT - The invention provides a lighting unit comprising a source of blue light, a source of green light, a first source of red light comprising a first red luminescent material, configured to provide red light with a broad band spectral light distribution, and a second source of red light comprising a second red luminescent material, configured to provide red light with a spectral light distribution comprising one or more red emission lines. Especially, the first red luminescent material comprises (Mg,Ca,Sr)AlSiN | 10-15-2015 |
20150300577 | LIGHT EMITTING ASSEMBLY, A LAMP AND A LUMINAIRE - A light emitting assembly | 10-22-2015 |
20150300578 | LIGHT CONVERSION MATERIALS BASED ON LUMINESCENT METAL ATOMIC NANOCLUSTERS - The invention provides a lighting device ( | 10-22-2015 |
20150301408 | QUANTUM DOT COLOR FILTER AND MANUFACTURING METHOD THEREOF, AND DISPLAY APPARATUS - A quantum dot color filter, comprising: a base substrate ( | 10-22-2015 |
20150308633 | HIGH CRI SOLID STATE LIGHTING DEVICES WITH ENHANCED VIVIDNESS - Solid state lighting devices including multiple solid state light emitters are arranged to produce a mixture of light having a color rendering index (CRI Ra) value of at least 80, having a gamut area index (GAI) value in a range of from 80 to 100, and x, y coordinates within a predefined region of a 1931 CIE Chromaticity diagram, e.g. including x, y coordinates defining point on or within a first polygon bounded by the following x, y coordinates: (0.38, 0.34), (0.38, 0.36), (0.40, 0.38), (0.42, 0.38), (0.44, 0.36), (0.46, 0.36), and (0.46, 0.34). In certain embodiments, a lighting device includes a primary emitter having a dominant wavelength in a range of from 430 to 480 nm, a lumiphor having a dominant wavelength in a range of from 535 to 585 nm, and a supplemental emitter having a dominant wavelength in a range of from 590 to 650 nm. | 10-29-2015 |
20150308634 | SOLID STATE LIGHT-EMITTING DEVICES WITH IMPROVED CONTRAST - Solid state light emitting devices and display devices include at least one filtering material arranged to provide at least one spectral notch comprising a wavelength of greatest attenuation in at least one spectrum between dominant wavelengths of solid state light emitters of the light emitting and/or display devices. The at least one spectral notch may be non-overlapping with a majority or an entirety of spectral output of each solid state light emitter. Filtering material may be arranged in a light path between at least some emitters and) at least one light output surface of a light emitting or display device, with the filtering material(s) arranged to receive incident ambient light, such that at least a portion of reflected ambient light exiting the device exhibits at least one spectral notch. | 10-29-2015 |
20150308635 | SOLID-STATE LIGHT EMITTING DEVICES WITH PHOTOLUMINESCENCE WAVELENGTH CONVERSION - A solid-state light emitting device comprises a light transmissive thermally conductive circuit board; an array of solid-state light emitters (LEDs) mounted on, and electrically connected to, at least one face of the circuit board; and a photoluminescence wavelength conversion component. The wavelength conversion component comprises a mixture of particles of at least one photoluminescence material (phosphor) and particles of a light reflective material. The emission product of the device comprises the combined light generated by the LEDs and the photoluminescence material. The wavelength conversion component can comprise a layer of the phosphor material and particles of a light reflective material applied directly to the array of LEDs in the form of an encapsulant. Alternatively the photoluminescence component is a separate component and remote to the array of LEDs such as tubular component that surrounds the LEDs. | 10-29-2015 |
20150308637 | ILLUMINATION SYSTEM AND WAVELENGTH-CONVERTING DEVICE THEREOF - An illumination system includes a solid-state light-emitting element and a wavelength-converting device. A first waveband light is emitted to an optical path by the solid-state light-emitting element. The wavelength-converting device is disposed on the optical path and includes a phosphor plate. The phosphor plate is a solid mixture having a phosphor agent and a binder. The weight percent of the phosphor agent is from 10 to 70, such that the first waveband light is transformed into a second waveband light. Under this circumstance, the efficiency of heat conduction of the phosphor plate is effectively enhanced, thereby enhancing the converting efficiency of the wavelength-converting device, which is strong enough to be applied to rotate with great rigidity. Meanwhile, not only the space requirement is reduced, but also the phenomena of hot spot and heat diffusion are avoided, such that the cost and difficulty of manufacturing the wavelength-converting device are significantly reduced. | 10-29-2015 |
20150308638 | SCATTERED-PHOTON EXTRACTION-BASED FIXTURES - A light fixture includes a light source, a wavelength-conversion material, and a reflector. The light source is configured to emit a first radiation, and has a front surface and a back surface. The wavelength-conversion material is arranged under the front surface and configured to convert the first radiation to a second radiation which has a first portion not able to reach the reflector and a second portion able to reach the reflector. The reflector is arranged over the back surface and configured to reflect the second portion away from the light source without passing through the wavelength-conversion material. The reflector has an end distant from the light source and is arranged in an elevation different from that of the wavelength-conversion material. | 10-29-2015 |
20150308657 | OXYNITRIDE ORANGE-RED FLUORESCENT SUBSTANCE AND LIGHT-EMITTING FILM OR SHEET AND LIGHT-EMITTING DEVICE COMPRISING THE SAME - An oxynitride orange-red fluorescent substance and a light-emitting film or sheet and a light-emitting device comprising the same are disclosed. The chemical formula of the oxynitride orange-red fluorescent substance is M | 10-29-2015 |
20150308658 | QUANTUM DOT COMPOSITE FILM AND BACKLIGHT UNIT USING SAME - Provided is a quantum dot composite film. The quantum dot composite film includes a first barrier film, a quantum dot phosphor film disposed on the first barrier film, and a second barrier film disposed on the quantum dot phosphor film, wherein the first barrier film or the second barrier film is a dichroic mirror barrier film. Therefore, since the quantum dot composite film bonded to various optical functional films is provided, the number of optical films requires for a typical thin-film-type lighting apparatus may be effectively reduced. | 10-29-2015 |
20150308659 | LAMINATED GLASS PANEL INCLUDING PHOSPHORS - A glazing unit includes sheets of glass and of plastic laminated between the glass sheets, and luminophores, wherein the glazing unit includes at least three glass sheets and at least two plastic films inserted in alternation between the glass sheets. | 10-29-2015 |
20150308674 | CIRCUIT BOARD AND LIGHT EMITTING DIODE LAMP HAVING THE SAME - A circuit board for bearing a plurality of light emitting diodes includes a base and a bent portion. The bent portion extends and bends from a lateral periphery of the base. The base and the bent portion are integrally formed. An outer surface of the bent portion resists other component to embed and fix circuit board. This disclosure also discloses a light emitting diode lamp having the circuit board. | 10-29-2015 |
20150316218 | EFFICIENT LED-BASED ILLUMINATION MODULES WITH HIGH COLOR RENDERING INDEX - An illumination module includes a light mixing cavity with an interior surface area and window that are physically separated from an LED. A portion of the window is coated with a first wavelength converting material and a portion of the interior surface area is coated with a second wavelength converting material. The window may be coated with LuAG:Ce. The window may also be coated with a third wavelength converting material with a peak emission wavelength between 615-655 nm where the spectral response of light emitted from the window is within 20% of a blackbody radiator at the same CCT. The LED may emit a light that is converted by the light mixing cavity with a color conversion efficiency ratio greater than 130 lm/W where the light mixing cavity includes two photo-luminescent materials with a peak emission wavelengths between 508-528 nm and 615-655 nm. | 11-05-2015 |
20150316234 | LIGHT SOURCE, LIGHT SOURCE UNIT, AND LIGHT SOURCE MODULE USING SAME - Provided are a light source, a light source unit, and a light source module that have small sizes, high output, and high coupling efficiency with an optical system, and further, can efficiently dissipate heat generation sources to exhaust heat. In the light source unit of the present disclosure, the light source is a semiconductor laser array. This configuration can realize high output of the light source, and high output of the whole light source unit. The light source unit includes a lens that converts outgoing beams to parallel beams, and an optical element having a plurality of optical surfaces with different minute inclination angles with respect to a principal surface. The minute inclination angles of the plurality of optical surfaces that intersect with optical rays of the plurality of outgoing beams passing through a principal point of the lens are opposite to one another with respect to the principal surface. | 11-05-2015 |
20150316247 | LED LAMP - An exemplary embodiment discloses a light-emitting diode (LED) lamp including a heat sink including a first surface and a second surface, and a substrate including a first surface and a second surface. The substrate disposed on the heat sink and the first surface of the heat sink contacts the second surface of the substrate. The LED lamp also includes at least one first LED disposed on the first surface of the substrate and a transparent cover connected to the heat sink and spaced apart from the substrate. The second surface of the heat sink is adjacent to the first surface of the heat sink. The second surface of the heat sink extends toward the transparent cover. At the least an end point of the second surface of the heat sink is disposed over an outer region of edges of the substrate. | 11-05-2015 |
20150318450 | POLYCARBONATE COMPOSITIONS CONTAINING CONVERSION MATERIAL CHEMISTRY AND HAVING ENHANCED OPTICAL PROPERTIES, METHODS OF MAKING AND ARTICLES COMPRISING THE SAME - In some embodiments, a composition includes: a conversion material and a bisphenol-A polycarbonate; wherein a molded article of the bisphenol-A polycarbonate has a transmission level of greater than or equal to 90.0% at a thickness of 2.5 mm as measured by ASTM D1003-00; and wherein the molded article comprises an increase in the yellow index of less than 2 during 2,000 hours of heat aging at 130° C.; and wherein the conversion material comprises a yellow conversion material, a green conversion material, a red conversion material, or a combination comprising at least one of the foregoing. | 11-05-2015 |
20150323156 | LIGHT SOURCE DEVICE - A light source device includes: an excitation light source which generates excitation light; a phosphor wheel having a phosphor which is excited by the excitation light to generate fluorescent light; and a mirror which guides excitation light from the excitation light source to the phosphor wheel to emit the fluorescent light from the phosphor wheel as illumination light. The phosphor wheel further includes a diffusion/reflection portion which diffuses and reflects incident excitation light, and the mirror has a first region which reflects the excitation light and transmits the fluorescent light and a second region which transmits the fluorescent light and diffused excitation light. In the mirror, the fluorescent light transmitted through the first region and the fluorescent light and the diffused excitation light transmitted through the second region are used as illumination light. | 11-12-2015 |
20150330598 | LENS AND LIGHT EMITTING MODULE FOR SURFACE ILLUMINATION - A light emitting module includes a circuit board, a light emitting device mounted on the circuit board, and a lens dispersing light emitted from the light emitting device. The lens includes a lower surface formed with a concave section defining a light incident surface through which light enters the lens, an upper surface through which light exits the lens, and legs coupled to the circuit board and disposed farther outside the lens than an area of the upper surface. The light emitting device is disposed within the concave section of the lens. | 11-19-2015 |
20150330608 | Electronically Controlled Stage Lighting System - A lighting system operating using a digital mirror as its operative device. The digital mirror is used to shape the light which is a passed through advanced optical devices in order to produce an output. | 11-19-2015 |
20150331285 | LED DISPLAY WITH WAVELENGTH CONVERSION LAYER - A display and method of manufacture are described. The display may include a substrate including an array of pixels with each pixel including multiple subpixels, and each subpixel within a pixel is designed for a different color emission spectrum. An array of micro LED device pairs are mounted within each subpixel to provide redundancy. An array of wavelength conversion layers comprising phosphor particles are formed over the array of micro LED device pairs for tunable color emission spectrum. | 11-19-2015 |
20150338034 | WAVELENGTH CONVERSION MEMBER AND REMOTE PHOSPHOR TYPE LIGHT EMITTING APPARATUS - A wavelength conversion member including a light emitting member being a molding of a mixture containing a transparent or translucent polymer material and a phosphor, and a reflection layer laminated on part of a surface of the light emitting member. In the wavelength conversion member which converts light from a light source by the phosphor and radiates the converted light in a desired direction, light emitted from the phosphor in the wavelength conversion member which is emitted in other directions than desired radiating direction can be efficiently utilized without loss. | 11-26-2015 |
20150338727 | LIGHT SOURCE DEVICE - Provided is a high-emission light source device which is capable of obtaining a desired color tone of red light and can be mounted on a small projector. | 11-26-2015 |
20150345720 | LAMP HAVING MULTI-FUNCTIONAL SUPPORT - There is provided a lamp having a support and a socket on the support for receiving a light bulb and selectively providing power thereto. The support has a body portion shaped to resemble a selected article. The body portion has a cavity or recess shaped to form an indicia indicating an entity associated with the selected article. The cavity or recess is positioned to receive light from the light bulb, and is filled with a photoluminescent material. | 12-03-2015 |
20150345745 | A COLOR CONVERSION ARRANGEMENT, A LIGHTING UNIT, A SOLID STATE LIGHT EMITTER PACKAGE AND A LUMINAIRE - The invention provides a color conversion arrangement, a lighting unit, a solid state light emitter package, a luminaire and a specific use of a graphene layer. A color conversion arrangement ( | 12-03-2015 |
20150346579 | WAVELENGTH CONVERSION MODULE AND ILLUMINATION SYSTEM - A wavelength conversion module that includes a reflective substrate, a strip-shaped wavelength conversion layer, and a microstructure layer is provided. The strip-shaped wavelength conversion layer is located on the reflective substrate and includes a transparent base and a wavelength conversion material doped in the transparent base. The microstructure layer is located on the strip-shaped wavelength conversion layer and includes a plurality of microstructures. The microstructures are arranged on a surface of the microstructure layer in a close-packing manner. The wavelength conversion module satisfies n2−0.3≦n1≦n2+0.3, where n1 is a refractive index of the transparent base, and n2 is a refractive index of the microstructure layer. An illumination system is also provided. | 12-03-2015 |
20150354757 | LED LAMP - The present invention relates to an LED lamp having improved directivity, which includes: a substrate having light emitting sources mounted on the front surface thereof; an inner cover, which is disposed to cover the substrate and a space to the front of the substrate and which includes a penetration area allowing the penetration of light and a reflection area reflecting light, so that a part of the light emitted from the light emitting sources is reflected by the reflection area and directed toward the sides or the back of the substrate; and an outer cover which is disposed to cover the inner cover and a space to the outside of the inner cover and which allows light to penetrate therethrough. | 12-10-2015 |
20150354760 | PHOSPHOR DIFFUSION SHEET LUMINAIRE FOR AGRICULTURAL LIGHTING - The invention relates to a phosphor diffusion sheet luminaire for agricultural lighting, comprising: a lamp shell; a light source unit; a disc body, mounted in the accommodating space and gripped on the inner wall of the lamp shell, where the disc body is provided with plural tanks at the side corresponding to the light source unit, and the tanks are randomly filled with plural phosphors; and a diffusion sheet, mounted in the lamp shell, and the side of the diffusion sheet corresponding to the disc body. The light ray passing through the diffusion sheet will irradiate the plant. And the wavelength of the light ray varies according to different ratio of the phosphors. Adequate wavelengths are gained by means of light transmission, refraction and absorption, which is beneficial to control the growth of plant. | 12-10-2015 |
20150354783 | ADJUSTMENT COMPONENT AND LIGHT-EMITTING DEVICE - Disclosed is an adjustment component that: includes a complex fluoride fluorophore represented by A | 12-10-2015 |
20150354787 | ILLUMINATION MODULE - An illumination module includes a light source, a color wheel, an actuator, and a reflective unit. The light source is for providing a light beam with a first wavelength band. The color wheel has an outer annular section and an inner annular section. The color wheel includes a wavelength conversion segment disposed at the outer annular section and a plurality of filter segments disposed at the inner annular section. The wavelength conversion segment is configured to convert a portion of the light beam with the first wavelength band into a light beam with a second wavelength band, and has at least one wavelength conversion material including yttrium aluminum garnet (YAG) phosphors. The filter segments are respectively configured to filter desired wavelength bands of the light beam. The reflective unit is configured to reflect the light beam passing through the outer annular section to the inner annular section. | 12-10-2015 |
20150362135 | LIGHT SOURCE DEVICE AND PROJECTOR - A light source device includes a light-emitting element; a base that includes a plurality of segment regions and that is controllable so that light from the light-emitting element sequentially enters the respective segment regions; a fluorescent member that is provided in at least one of the segment regions and that includes a fluorescent material that is excitable by light from the light-emitting element and configured to emit light with a different wavelength from the light emitted from the light-emitting element; and a filter that is provided so as to correspond to at least one of the fluorescent members, which is configured to transmit at least a part of light from the fluorescent material, and which is configured to transmit a part of light that is transmitted through the fluorescent member among the light from the light-emitting element. | 12-17-2015 |
20150362150 | A COATED LUMINESCENT PARTICLE, A LUMINESCENT CONVERTER ELEMENT, A LIGHT SOURCE, A LUMINAIRE AND A METHOD OF MANUFACTURING A COATED LUMINESCENT PARTICLE - A coated luminescent particle | 12-17-2015 |
20150362154 | ILLUMINATION APPARATUS - An illumination apparatus including an exciting light source, a reflective switching element, a first wavelength conversion element, and a second wavelength conversion element is provided. The exciting light source emits an exciting beam, and the reflective switching element is disposed on a transmission path of the exciting beam. When the reflective switching element is switched to a first state, the reflective switching element reflects the exciting beam to the first wavelength conversion element so as to excite the first wavelength conversion element to emit a first conversion beam. When the reflective switching element is switched to a second state, the reflective switching element reflects the exciting beam to the second wavelength conversion element so as to excite the second wavelength conversion element to emit a second conversion beam. | 12-17-2015 |
20150370123 | DISPLAY SUBSTRATE, METHOD FOR MANUFACTURING THE SAME, AND DISPLAY DEVICE - The present invention provides a display substrate, a method of manufacturing the same and a display device, and relates to a field of display technology. The present invention solves a problem that an existing color film layer has a poor heat resistance and a low color saturation. The display substrate of the present invention includes: a base substrate, a color film layer provided on the base substrate, and a first barrier layer provided above the color film layer, wherein a material for forming the color film layer includes a quantum dot, and the first barrier layer is used to isolate the color film layer from air. | 12-24-2015 |
20150377428 | LIGHT-EMITTING ELEMENT - The present invention relates to a tubular-shaped optical conversion element suitable for use in a light-emitting device. The element includes a light source and at least one wavelength conversion layer containing materials such as phosphors or quantum dots in a silicone matrix. The element also contains thermally conductive additives dispersed in the silicone matrix that improve thermal conduction within the wavelength conversion layer. The tubular element can be manufactured by economical methods and in various shapes. The present invention is also related to a LED lighting device that includes a LED light source within a tubular-shaped shell. A curable silicone fluid can be used to fill the space between the LEDs and the tubular shell and provide efficient light coupling between the LED and the shell. | 12-31-2015 |
20150377430 | Hybrid Illumination for Headlamp - An illumination apparatus is provided that includes a yellow phosphor converter to receive a blue laser light beam and to convert a portion of the blue laser light beam to yellow light, a dichroic mirror optically coupled to the yellow phosphor converter to receive the phosphor-emitted light beam and to filter the phosphor-emitted light beam to provide a dichroic-filtered light beam, the dichroic mirror configured to pass yellow light and to reflect at least some blue light, and a blue light source optically coupled to the dichroic mirror to provide a blue light beam, the dichroic mirror configured to reflect the blue light beam in a same direction as the dichroic-filtered light beam. | 12-31-2015 |
20160002528 | WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE - Disclosed is a wavelength conversion member which is a resin-molded article having dispersed therein a complex fluoride fluorophore that absorbs light with a blue wavelength component and emits light including a red wavelength component and that is represented by A | 01-07-2016 |
20160003425 | LIGHT-EMITTING DEVICE HAVING CIRCULAR LIGHT EMISSION - The present invention provides a light-emitting device having circular light emission. By disposing a light-emitting chip on a substrate and a frame on one side of the light-emitting chip, a transparent sheet is disposed on the frame. In addition, a shade layer is disposed on one surface of the transparent sheet and an opening is disposed at the center of the shade layer for providing circular light emission. Alternatively, the opening can be formed on the frame and aligning with the light-emitting and thus providing circular light emission. | 01-07-2016 |
20160003449 | BACKLIGHT DISPLAY USING PHOTOLUMINESCENT MATERIAL TUNED TO IMPROVE NVIS COMPATIBILITY - An NVIS-compatible backlight assembly for an LCD display comprising a short-wavelength (blue) light source positioned in a first layer and a photoluminescent layer positioned adjacent the first layer for transforming blue monochrome emission from the blue light source into tri-color light for use as a full-color light source, while minimizing radiance in NVIS-sensitive regions. | 01-07-2016 |
20160003450 | MEMBER FOR COTROLLING LUMINOUS FLUX, METHOD FOR FABRICATING THE MEMBER, DISPLAY DEIVCE, AND LIGHT EMITTING DEVICE - A member for controlling luminous flux according to an exemplary embodiment of the present invention includes an optical path changing unit embedded in a matrix and including scattering particles scattering incident light, and an optical direction adjustment unit including a coupling surface attached to the optical path changing unit to receive the light scattered from the optical path changing unit, and a refractive surface refracting the received light and emitting the refracted light, whereby an optical diffusion performance of the member for controlling luminous flux according to an exemplary embodiment of the present invention can enhance an optical diffusion performance. | 01-07-2016 |
20160004147 | WAVELENGTH CONVERSION DEVICE, LIGHT-EMITTING DEVICE AND PROJECTION SYSTEM - Disclosed are a wavelength conversion device, a light-emitting device and a projection system, comprising a wavelength conversion layer having a first surface and a second surface opposite each other. The first surface receives an excitation light. The wavelength conversion layer absorbs the excitation to produce a converted light and emits the converted light or the mixture of the converted light and the excitation light from the first surface and the second surface. A scattering reflective substrate is stacked with the wavelength conversion layer and includes a white porous ceramic or a white scattering material for scattering the incident light. The scattering reflective substrate includes a third surface facing the second surface and scatters at least a part of the incident light on the third surface and then emits all the light from the third surface to the second surface. | 01-07-2016 |
20160010806 | SOLID-STATE LAMPS WITH IMPROVED RADIAL EMISSION AND THERMAL PERFORMANCE | 01-14-2016 |
20160010813 | Illumination Device | 01-14-2016 |
20160013379 | EMITTING DEVICE OF WIDE-ANGLE LED | 01-14-2016 |
20160018066 | LIGHTING ARRANGEMENT - The present invention concerns a lighting system, which comprises: a laser light source for radiating light; a wavelength conversion element for receiving the radiated light from the light source and for re-emitting wavelength converted white light; and a reflector element for reflecting the light received from the wavelength conversion element. The reflector element comprises a reflective surface and a micro-patterned surface comprising an array of micro-focal elements. Each of said micro-focal elements is configured to converge or diverge incident light from the wavelength conversion element. | 01-21-2016 |
20160018068 | OPTICAL MODULE - An optical module including at least one light source, a wavelength conversion member and a concave reflector is provided. Light emitted from the at least one light source enters the wavelength conversion member and then is sent out toward all directions. The concave reflector is disposed at one side of the wavelength conversion member, and a part of the light sent from the wavelength conversion member is reflected by the concave reflector. | 01-21-2016 |
20160018069 | A DIMABLE LIGHT EMITTING ARRANGEMENT - A dimmable light emitting arrangement ( | 01-21-2016 |
20160024378 | RED-EMITTING PHOSPHORS, ASSOCIATED PROCESSES AND DEVICES - A process for synthesizing a Mn | 01-28-2016 |
20160025294 | A LIGHT EMITTING DIODE MODULE WITH IMPROVED LIGHT CHARACTERISTICS - The present invention relates to lighting module, wherein a light exit window ( | 01-28-2016 |
20160025304 | ARRANGEMENT FOR CHANGING THE VISUAL APPEARANCE OF A TARGET OBJECT - The invention relates to an arrangement ( | 01-28-2016 |
20160025920 | OPTICAL MEMBER AND DISPLAY DEVICE INCLUDING THE SAME - An optical member including a wavelength conversion layer to convert a wavelength of an incident light; an upper anti-reflective layer of at least two layers disposed on a first surface of the wavelength conversion layer; and a lower anti-reflective layer of at least two layers disposed under a second surface of the wavelength conversion layer opposite to the first surface. Further, wherein the at least two layers of the lower anti-reflective layer have different refractive indices. | 01-28-2016 |
20160025921 | OPTICAL MEMBER, DISPLAY DEVICE, AND LIGHT EMITTING DEVICE HAVING THE SAME - Disclosed are an optical member and a display device. The display device includes a light source; a light conversion layer to convert a wavelength of light emitted from the light source; and a display panel into which the light is incident from the light conversion layer. Further, the light conversion layer includes a plurality of concave surfaces. | 01-28-2016 |
20160026074 | ROTATIONALLY STATIC LIGHT EMITTING MATERIAL WITH ROTATING OPTICS - A system including a rotationally static light emitting material with rotating optics is provided. The system comprises: the material on a heatsink being circularly symmetrical around an axis, and rotationally fixed; a stationary light source configured to generate excitation light, the excitation light configured to excite the material producing emitted light, an incoming path of the excitation light forming a first angle, with the axis greater than 0° and less than 90°; and, optics, configured to rotate relative to the material around the axis, comprising: a first mirror on the axis and forming a second angle with the axis greater than 0° and less than 90°, the first mirror located on the incoming path; and a second mirror parallel to the first mirror, the first mirror configured to reflect the excitation light towards the second mirror, and the second mirror configured to reflect the excitation light towards the material. | 01-28-2016 |
20160030609 | DISINFECTING LIGHT FIXTURE - Disclosed herein is a light fixture. The light fixture includes at least one first light source that emits at a peak wavelength in a range of approximately 380 nm to approximately 420 nm and at least one second light source that emits at a different peak wavelength, wherein a combined light output of the at least one first light source and the at least one second light source emits a colored light that is perceived as white light. The white light is defined by having a color rendering index (CRI) value of more than approximately 50. The at least one second light source that emits at a different peak wavelength consists of an xy coordinate on a International Commission on Illumination (CIE) 1931 xy color space diagram above a black body curve within a bounded area defined by a first line of approximately y=2.23989x−0.382773 and a second line of approximately y=1.1551x−0.195082. The combined light output has a proportion of spectral energy measured in the approximately 380 nm to approximately 420 nm range of greater than approximately 20%. | 02-04-2016 |
20160030610 | DISINFECTING LIGHT FIXTURE - Disclosed herein is a light fixture. The light fixture includes at least one first light source that emits at a peak wavelength in a range of approximately 380 nm to approximately 420 nm and at least one second light source that emits at a different peak wavelength, wherein a combined light output of the at least one first light source and the at least one second light source emits a colored light that is perceived as white light. The white light is defined by having a color rendering index (CRI) value of more than approximately 50. The at least one second light source that emits at a different peak wavelength consists of an xy coordinate on a International Commission on Illumination (CIE) 1931 xy color space diagram above a black body curve within a bounded area defined by a first line of approximately y=2.23989x−0.382773 and a second line of approximately y=1.1551x−0.195082. The combined light output has a proportion of spectral energy measured in the approximately 380 nm to approximately 420 nm range of greater than approximately 20%. | 02-04-2016 |
20160033852 | LIGHT SOURCE MODULE FOR OPTICAL PROJECTION DEVICE AND OPTICAL PROJECTION DEVICE INCLUDING THE LIGHT SOURCE MODULE - The light source module may include a plurality of light-emitting units, at least two optical units, and at least two light conversion units. Light from a first light-emitting unit exits as first exiting light processed by a first and second optical units, light from a second light-emitting unit forms first converted light processed by the first optical unit and converted by a first light conversion unit, light from a third light-emitting unit forms second converted light processed by the second optical unit and converted by a second light conversion unit. The second converted light exits as second exiting light processed by the second optical unit and by the first optical unit, and the first converted light serves as third exiting light processed by the first optical unit and is combined with the first and second exiting lights to form a first beam having a first, second, and third wavelength. | 02-04-2016 |
20160040833 | LIGHTING DEVICE HAVING A VARIABLY ADJUSTABLE LIGHT COLOR - Lighting devices having a variably adjustable light color and methods for adjusting the light color of a lighting device are disclosed. In one embodiment, the wavelength of light from a plurality of excitation light sources in a lighting device is converted at least partially by a plurality of color-conversion elements. The color conversion elements are matched to the wavelengths λ | 02-11-2016 |
20160047514 | LIGHTING DEVICE WITH REMOTE WAVELENGTH CONVERTING ELEMENT - A lighting device ( | 02-18-2016 |
20160053170 | MAGNESIUM ALUMOSILICATE-BASED PHOSPHOR - The invention relates to co-activated magnesium alumosilicate based phosphors, to a process of its preparation, the use of these phosphors in electronic and electro optical devices, such as light emitting diodes (LEDs) and solar cells and especially to illumination units comprising said magnesium alumosilicate-based phosphors. | 02-25-2016 |
20160053948 | LED Lighting Apparatus - A light emitting diode (“LED”) lighting apparatus has several components for providing lighting including a boost circuit for driving a plurality of LED strips. The boost circuit is used to boost an input voltage to a predefined voltage, where the predefined voltage is greater than the input voltage. Each of the LED strips has a set of serially-connected LEDs coupled to a transparent backing. The sets of LEDs are serially connected to each other. The predefined voltage is applied to the strips via the serial connection to drive the LEDs of the strips. | 02-25-2016 |
20160053949 | LIGHTING DEVICE FOR GENERATING WHITE LIGHT - A lighting device which is suitable for generating mixed light, preferably even for generating white light is disclosed. The lighting device includes a light source for emitting excitation light of a specific wavelength λ | 02-25-2016 |
20160053950 | LIGHT-EMITTING MODULE - A light-emitting module including a light emitting component, a heat dissipation element, and a light-converting component is provided. The light-emitting component is adapted to emit a light beam. The heat dissipation element is disposed at one side of the light-emitting component, wherein the heat dissipation element has a light through hole and the light through hole is located at a transmission path of the light beam. The light-converting component is connected to the heat dissipation element and covers the light through hole. | 02-25-2016 |
20160061391 | FLUORESCENCE-EMITTING LIGHT SOURCE UNIT - Provided is a fluorescence-emitting light source unit that includes a wavelength conversion member having a light receiving surface and a phosphor. The light receiving surface is configured to receive excitation light, and the phosphor is configured to convert the excitation light received by the light receiving surface into fluorescence and emit the fluorescence. The light receiving surface includes a cyclic structure having projections, in which the projections are cyclically arrayed and each have a substantially cone shape. An aspect ratio is about 0.2 or greater, in which the aspect ratio is a ratio of a height of any of the projections to a pitch of the array of the projections. The pitch of the array is of a size that falls within a range in which diffraction of the fluorescence emitted from the phosphor occurs. | 03-03-2016 |
20160061392 | INTEGRATED LED BASED ILLUMINATION DEVICE - A light emitting diode (LED) based illumination device include a plurality of LEDS mounted to mounting board and includes a transmissive plate disposed above the LEDs. The transmissive plate includes an amount of wavelength converting material configured to change a wavelength of an amount of light emitted by the plurality of LEDs. A base reflector structure is coupled to the LED mounting board and the transmissive plate between at least two of the LEDs. In another configuration, a dam of reflective material surrounds the LEDs and is coupled to the LED mounting board and the transmissive plate, while a dam of thermally conductive material surrounds the dam of reflective material. In another configuration, the LED mounting board has a protrusion of thermally conductive material that surrounds the LEDs and is coupled to the transmissive plate, and has a void on the side opposite the protrusion. | 03-03-2016 |
20160061419 | LIGHT EMITTING DEVICE - A light emitting device with improved safety in which leaking laser beam from a slit is converted into a visible light. A light emitting device includes a laser light source part and optical member that defines a slit. The optical member is disposed with the slit oriented on an optical path of the laser beam, while disposing a wavelength converting member on an inner wall defining the slit to convert a wavelength of the laser beam into a long-wavelength side visible light. | 03-03-2016 |
20160061437 | Light Emitting Module and Lighting Device - A light emitting module according to an exemplary embodiment includes a board that is provided with a wiring pattern, a light emitting element that is electrically connected to the wiring pattern, a surrounding wall member that is provided on the board via a joining portion containing a resin and surrounds the light emitting element, and a first coating portion that contains the same resin as the resin contained in the joining portion, and covers an exposed portion of the wiring pattern outside the surrounding wall member. | 03-03-2016 |
20160069518 | Solid State Lamp Using Light Emitting Strips - In one embodiment, an LED lamp has a generally bulb shape. The LEDs are low power types and axe encapsulated in thin, narrow, flexible strips. The LEDs are connected in series in the strips to drop a desired voltage. The strips are affixed to the outer surface of a bulb form to provide structure to the lamp. The strips are connected in parallel to a power supply, which may be housed in the lamp. Since many low power LEDs are used and are spread out over a large surface area, there is no need for a large metal heat sink. Further, the light emission is similar to that of an incandescent bulb. In other embodiment, there is no bulb form and the strips are bendable to have a variety of shapes. In another embodiment, a light sheet is bent to provide 360 degrees of light emission. Many other embodiments are described. | 03-10-2016 |
20160069520 | METHOD AND SYSTEM FOR FORMING LED LIGHT EMITTERS - A flexible sheet of light-emitting diode (LED) light emitters includes a support substrate having a thermally conductive material. The flexible sheet of LED light emitters also has an LED emitter sheet overlying the support substrate, and the LED emitter sheet including a plurality of LED light emitters. The flexible sheet of LED light emitters also has a flexible circuit sheet overlying the LED emitter sheet, and a phosphor sheet overlying the flexible circuit sheet. The phosphor sheet includes a wave-length converting material. The flexible sheet of LED light emitters also has a lens sheet overlying the phosphor sheet. The lens sheet includes a plurality of lenses. | 03-10-2016 |
20160069535 | WAVELENGTH-CONVERTING DEVICE AND ILLUMINATION SYSTEM USING SAME - A wavelength-converting device includes a first substrate, a second substrate and a first wavelength-converting material. The first substrate has a first region and a first engagement portion. The second substrate is disposed adjacent to the first substrate and having a second region and a second engagement portion. The second engagement portion and the first engagement portion have complementary shapes. The first wavelength-converting material is disposed on the second region for converting a light in a first waveband into a light in a second waveband. The light in the first waveband is transmitted through the first region, and the light in the second waveband is reflected by the second region. The first region and the second region are staggered, so that the first engagement portion and the second engagement portion are engaged and fixed with each other. As a result, the safety and stability are enhanced, and the noise is reduced. | 03-10-2016 |
20160069538 | WAVELENGTH-CONVERTING DEVICE AND ILLUMINATION SYSTEM USING SAME - A wavelength-converting device used for converting first waveband light includes a transmissive substrate, a phosphor layer and an optical layer. The transmissive substrate has a refraction coefficient n | 03-10-2016 |
20160069558 | WAVELENGTH CONVERSION DEVICE AND RELATED LIGHT EMITTING DEVICE - Disclosed are a wavelength conversion device and a light emitting device. The wavelength conversion device includes a wavelength conversion layer used for absorbing excitation light and generating converted light; a box having a first area used for transmitting the excitation light to the wavelength conversion layer and a second area used for transmitting the converted light, and further including an air outlet and an air inlet; a conduit, disposed outside the box and used for connecting the air inlet and the air outlet, so as to seal with the box the wavelength conversion layer in the box; a heat exchanger, used for decreasing a gas temperature in the conduit; and a gas circulation device, disposed in sealed space encircled by the box and the pipe conduit, and used for driving exchange between gas in the box and gas in the conduit. The wavelength conversion device achieves both dust prevention and heat dissipation. | 03-10-2016 |
20160076712 | LIGHT EMITTING APPARATUS, LIGHTING LIGHT SOURCE, AND LIGHTING APPARATUS - Light emitting apparatus includes: substrate; red LED chip on substrate; blue LED chip on substrate, blue LED chip being connected in series with red LED chip and having an emission color different from red LED chip; and second sealing member that includes green phosphor and yellow phosphor and seals at least blue LED chip, and light-emission by red LED chip, blue LED chip, green phosphor, and yellow phosphor produces white light. | 03-17-2016 |
20160076713 | ILLUMINATION DEVICE - An illumination device includes a solid light-emitting element and a wavelength converting unit configured to convert a wavelength of light emitted from the solid light-emitting element. The wavelength converting unit includes a first member spaced apart from the solid light-emitting element and installed so as to surround the solid light-emitting element, and a second member installed so as to cut off a part of a light path extending from the solid light-emitting element to the first member. The first member is provided with a first wavelength converting material unevenly coated on an inner surface thereof and is configured such that the relative position of the first member with respect to the second member is changeable, and the second member is provided with a second wavelength converting material coated on a surface thereof facing the solid light-emitting element. | 03-17-2016 |
20160076735 | High Brightness Solid State Illumination System for Fluorescence Imaging and Analysis - An illumination system includes a phosphor to emit light in a wavelength band Δλ | 03-17-2016 |
20160076741 | Light Emitting Assembly With Spectrum-Shifting Reflectance And Method - A light emitting assembly and method for making optionally includes a light source configured to emit light substantially about a plane, the light having a first spectral profile, and a material configured to shift light incident from the light source from the first spectral profile to a second spectral profile and emit light as shifted. The light, as shifted, is emitted from the assembly generally along an axis orthogonal to the plane. | 03-17-2016 |
20160076754 | A LIGHT EMITTING DIODE MODULE - The present application relates to a light emitting diode module comprising: a light source device ( | 03-17-2016 |
20160077259 | LIGHT EMITTING SCREEN AND DISPLAY APPARATUS - The light emitting screen of the present invention includes: a blue light emitting layer emitting blue light by being excited with first excitation light; a green light emitting layer which is disposed on the blue light emitting layer and emits green light by being excited with second excitation light; a red light emitting layer which is disposed on the green light emitting layer and emits red light by being excited with third excitation light; a first selective reflection layer which is disposed between the blue light emitting layer and the green light emitting layer; and a second selective reflection layer which is disposed between the green light emitting layer and the red light emitting layer, wherein the blue light emitting layer, the green light emitting layer, and the red light emitting layer contain quantum rods or quantum dots. | 03-17-2016 |
20160084472 | LIGHT DIFFUSION MEMBER, AND LIGHT EMITTING DEVICE, AND DISPLAY DEVICE USING THE SAME - A light diffusion member includes a matrix and a number of quantum dots uniformly dispersed in the matrix. The matrix is made of epoxy resin and ammonium persulfate. The quantum dots have a mass percentage of about 10% to about 20% of the total mass of the light diffusion member. A light emitting device using the light diffusion member and a display device using the light emitting device are also provided. | 03-24-2016 |
20160084476 | ENCAPSULATED QUANTUM DOTS IN POROUS PARTICLES - The invention provides a process for the production of a (particulate) luminescent material comprising particles, especially substantially spherical particles, having a porous inorganic material core with pores, especially macro pores, which are at least partly filled with a polymeric material with luminescent quantum dots embedded therein, wherein the process comprises (i) impregnating the particles of a particulate porous inorganic material with pores with a first liquid (“ink”) comprising the luminescent quantum dots and a curable or polymerizable precursor of the polymeric material, to provide pores that are at least partly filled with said luminescent quantum dots and curable or polymerizable precursor; and (ii) curing or polymerizing the curable or polymerizable precursor within pores of the porous material, as well as a product obtainable thereby. | 03-24-2016 |
20160084477 | NOVEL ILLUMINATION DEVICES - Illumination device comprising at least one LED and at least one colour converter comprising at least one organic fluorescent colorant in a matrix consisting essentially of polystyrene or polycarbonate, wherein LED and colour converter are present in a remote phosphor arrangement. | 03-24-2016 |
20160093677 | COLOR FILTER AND DISPLAY PANEL USING SAME - A color filter includes a first filtering part and a number of first quantum dot particles formed in the first filtering part. A color of the first filtering part is a first primary color. The first quantum dot particles convert a light having a wavelength less than a wavelength of the first primary color to a light with the first primary color. | 03-31-2016 |
20160097494 | OPTICAL MODULE - An optical module including a light source, an adjustable reflector and a wavelength conversion set is provided. The adjustable reflector is disposed in a light path of light emitted from the light source and adaptable to adjust between a first position and a second position. The wavelength conversion set includes a first wavelength conversion member and a second wavelength conversion member. When the adjustable reflector is at the first position, light emitted from the light source is reflected to the first wavelength conversion member by the adjustable reflector. When the adjustable reflector is at the second position, light emitted from the light source is reflected to the second wavelength conversion member by the adjustable reflector. | 04-07-2016 |
20160102820 | OPTICAL WAVELENGTH-CONVERTING DEVICE AND ILLUMINATION SYSTEM USING SAME - An optical wavelength-converting device used for converting a first waveband light includes a substrate, a phosphor layer and a composite reflection layer. The phosphor layer is disposed on the substrate for converting the first waveband light into a second waveband light. The composite reflection layer includes a first reflection layer and a second reflection layer. The first reflection layer is disposed between the substrate and the phosphor layer and adjacent to the substrate for reflecting the second waveband light, such that the second waveband light is transmitted through the phosphor layer so as to be outputted. The second reflection layer is disposed between the first reflection layer and the phosphor layer for adjusting the reflection spectrum of the first reflection layer, thereby enhancing the reflection rate of the composite reflection layer. As a result, the output efficiency of the wide-angle and wide-spectrum light is increased. | 04-14-2016 |
20160102821 | Light-Emitting Device with Remote Phosphor and Recessed Light Emitting Element - A variety of light-emitting devices are disclosed that are configured to output light provided by a light-emitting element (LEE). In general, embodiments of the light-emitting devices feature a light-emitting element disposed in a recess, a scattering element that is spaced apart from the light-emitting element and an extractor element coupled to the scattering element. | 04-14-2016 |
20160108591 | ROAD MARKING - The present invention relates to a road marking comprising a profile comprising a luminescent component, which is to be installed in the road surface, in which profile one or more light sources are present and the aforesaid luminescent component is located above said one or more light sources. The profile is made of an elastic material, wherein the part of the profile present at the surface of the road surface is translucent. | 04-21-2016 |
20160109072 | LIGHT EMITTING DEVICE - A laser diode device includes a semiconductor laser element, a transmissive member, and phosphor-containing members. The transmissive member is disposed separately from the semiconductor laser element and includes a plurality of recessed portions on a side opposite to a side in which light from the semiconductor laser element enters and within a region that is irradiated with the light from the semiconductor laser element. The phosphor-containing members are disposed in the plurality of recessed portions. A portion of light enters and passes through the transmissive member between the phosphor-containing members and exits the transmissive member without passing through the phosphor-containing members. | 04-21-2016 |
20160109073 | LIGHT-EMITTING DEVICE - A light-emitting device including a light source to emit primary light and a light-emitting section provided with a transparent member containing first nanoparticles which absorb at least part of the primary light and emit secondary light, wherein the light-emitting section is provided with an antireflective structure section disposed on at least part of an outer surface of the transparent member. The antireflective structure section may contain ultraviolet absorptive second nanoparticles. | 04-21-2016 |
20160109083 | ELECTRONIC LIGHTING DEVICE AND METHOD FOR MANUFACTURING SAME - An electronic lighting device and a method for manufacturing the same are disclosed. The electronic lighting device may comprise a core, which may comprises an enclosure, a light-emitting element, a flame sheet and a swing mechanism. The flame sheet is movably supported or suspended on the enclosure, and may comprise an upper sheet which is of a flame-like shape. The upper sheet is configured to expose above the top of the enclosure. The light-emitting element may be installed on the enclosure. A light outgoing direction of the light-emitting element may be intersected with the surface of the upper sheet so that the light of the light-emitting element is projected on the surface of the upper sheet. The swing mechanism is disposed beneath the flame sheet and can apply a force on the flame sheet to actuate the flame sheet to sway or swing. By the present application, a visual experience of true fire can be achieved and an interestedness and appreciation can be improved. | 04-21-2016 |
20160109096 | LIGHT EMITTING DEVICE PACKAGE AND LIGHTING DEVICE HAVING THE SAME - A light emitting device package includes a reflective unit having a first surface and a second surface opposing the first surface and having a through hole formed in a central portion of the reflective unit to penetrate through the first and second surfaces, a light emitting device disposed in the through hole and externally exposed to one of the first and second surfaces, and an optical device disposed on the first surface of the reflective unit to cover the light emitting device. The optical device allows light generated by the light emitting device to be partially transmitted and partially reflected to be emitted externally. | 04-21-2016 |
20160109627 | PROJECTION APPARATUS - A projection apparatus of the present disclosure includes a light-emitting element for emitting excitation light, a wavelength converter for receiving the excitation light, converting the excitation light into light of a different wavelength, and emitting the converted light as radiation light, and an optical filter for receiving the radiation light. The optical filter reflects long-wavelength light of wavelengths longer than wavelengths of the radiation light. With this configuration, the optical filter reflects long-wavelength light of wavelengths longer than wavelengths of the radiation light, thus being able to prevent the wavelength converter from being irradiated with long-wavelength light, and being able to prevent deterioration of the wavelength converter. | 04-21-2016 |
20160109789 | Light Source Device And Projection Display Device - The disclosure discloses a light source device and a projection display device. The light source device includes a laser for generating laser light, a fluorescent wheel, a filter wheel and a control unit, wherein the fluorescent wheel includes at least one reflection section, and at least one transmission section capable of transmitting the laser light; and at least one phosphor capable of being excited by the laser light to emit yellow light, and at least one phosphor capable of being excited by the laser light to emit green light are attached on the surface of the reflection section; the filter wheel includes at least one transparent section, at least one red filter section and at least one green filter section. | 04-21-2016 |
20160111844 | OPTICAL MODULE - An optical module includes a first light source, a second light source and a wavelength conversion member. The first light source and the second light source emit light with different colors. The first light source and the second light source have a first light axis and a second light axis, respectively, and there is an intersection point of the first light axis and the second light axis. The wavelength conversion member is disposed at the intersection point of the first light axis and the second light axis. | 04-21-2016 |
20160115382 | COLOR STABLE RED-EMITTING PHOSPHORS - A process for preparing a Mn | 04-28-2016 |
20160116121 | LED BACKLIGHT LIGHT SOURCE - The invention discloses an LED backlight light source, comprising at least a red chip and a blue chip, and further comprising a green quantum dot phosphor layer which is not contacted with the red chip and the blue chip and encapsulated into a same LED backlight light source together with the red chip and the blue chip. Red light and blue light emitted by the red chip and the blue chip penetrate through the green quantum dot phosphor layer for the purpose of green light compensation, respectively, to obtain white light with high NTSC, high penetration rate and high brightness. | 04-28-2016 |
20160116122 | PHOSPHOR DEVICE AND MANUFACTURING METHOD THEREOF - A phosphor device of an illumination system, which emits a first waveband light, includes a substrate and a first phosphor layer. The first phosphor layer includes a first phosphor agent and a second phosphor agent. The first phosphor agent is formed on the substrate for converting the first waveband light into a second waveband light. The second waveband light comprises a first color light and a second color light. The second phosphor agent is distributed over the first phosphor agent for converting the first waveband light into the second color light so as to increase the luminous intensity of the second color light. Therefore, the luminous intensity of the second color light can be effectively increased. | 04-28-2016 |
20160116123 | ILLUMINATION APPARATUS - An illumination apparatus of the disclosure includes a semiconductor light-emitting element and a light conversion element. The semiconductor light-emitting element has a first optical waveguide and a second optical waveguide. The light conversion element has a first light converter and a second light converter. A first emitted light emitted from first optical waveguide enters the first light converter and a second emitted light emitted from the second optical waveguide enters the second light converter. First power applied to the first optical waveguide and second power applied to the second optical waveguide are independent. | 04-28-2016 |
20160116124 | LIGHT EMITTING DIODE DEVICE CONFIGURED TO CHANGE COLOR DURING DIMMING - Techniques for emulating dimming curves using temperature-sensitive wavelength-converting materials together with apparatus and method embodiments thereto are disclosed. | 04-28-2016 |
20160116128 | LIGHT EMITTING DEVICE AND LIGHTING DEVICE - An optical guide member ( | 04-28-2016 |
20160116152 | MODULAR STREET LIGHTING SYSTEM - A modular street lighting system comprising an attachment structure, power circuitry positioned, a support structure, and a lighting component comprising a body member comprising a light source housing section and a center component, the center component comprising a plurality of vertically-oriented heat dissipating structures, a circuit housing, circuitry, a rear attachment section, a lighting element in thermal communication, and an optic positioned within the light source housing section. The circuitry is configured to provide power for and control the operation of the lighting element. The lighting element is configured to emit light in the direction of the optic. The optic is configured to reflect light so as to be emitted by the lighting component. The plurality of heat dissipating structures are positioned in thermal communication with the back wall. | 04-28-2016 |
20160123544 | HIGH EFFICIENCY CHIP-ON-BOARD LIGHT-EMITTING DIODE - An LED CoB structure with the combination use of blue and red LED dies is used to achieve warm white light, with good quantum conversion efficiency at a reasonably low cost. Both the red and blue LED dies are fabricated on transparent substrates. The current density of the LED dies is designed to match the different degradation rate of each type of LED die. The methods used to achieve high efficiency include adjusting the power, wavelength, and/or position of the dies. | 05-05-2016 |
20160123557 | WAVELENGTH CONVERSION DEVICE, MANUFACTURING METHOD THEREOF, AND RELATED ILLUMINATION DEVICE - A wavelength conversion device, a manufacturing method thereof, and a related illumination device. The wavelength conversion device comprises a fluorescent powder layer ( | 05-05-2016 |
20160126704 | OPTOELECTRONIC COMPONENT HAVING A HOUSING WITH A PLURALITY OF OPENINGS - An optoelectronic component includes a carrier with at least two radiation sources that generate electromagnetic radiation, including a housing consisting of a material non-transmissive to the electromagnetic radiation from the radiation sources, wherein at least two openings are provided in the housing, each opening is closed with a plate, the plate consists of a material transmissive to the electromagnetic radiation from the respective radiation source, and a radiation source is respectively assigned to an opening. | 05-05-2016 |
20160131335 | LIGHT-EMITTING APPARATUS - Embodiments provide a light-emitting apparatus including at least one light source, a wavelength converter configured to convert a wavelength of light emitted from the light source, a reflector configured to reflect the light having the wavelength converted in the wavelength converter and light having an unconverted wavelength, and a refractive member disposed in a light passage space between the reflector and the wavelength converter, the refractive member being configured to emit the reflected light. | 05-12-2016 |
20160131336 | LIGHT-EMITTING APPARATUS - Embodiments provide a light-emitting apparatus including at least one light source, a wavelength converter configured to convert a wavelength of light emitted from the light source, a first lens configured to face a light emission surface of the wavelength converter, and a rounded reflector spaced apart from the first lens, the reflector being configured to reflect light emitted from the first lens. | 05-12-2016 |
20160131339 | LED LIGHT CORE STRUCTURE - An LED light core structure, which has better mechanical strength and good heat dissipation effect and is able to 360-degree project light. The LED light core structure includes a substrate having at least two faces. The substrate is formed with at least one opening communicating the two faces. LEDs are disposed on at least one of the two faces of the substrate at the opening, whereby the light emitted from the LEDs disposed on one of the two faces of the substrate can be projected through the opening to the opposite face of the substrate. Accordingly, the substrate can be made of metal material, whereby the substrate is unlikely to crack so that the ratio of good products is increased and the substrate can provide excellent heat dissipation effect for the LEDs. The conventional wolfram filament electrodes can be directly replaced with the LED light core structure. | 05-12-2016 |
20160131354 | LIGHT-EMITTING APPARATUS AND LIGHTING APPARATUS INCLUDING THE SAME - Embodiments provide a light-emitting apparatus including a light source, a carrier spaced apart from the light source in an optical-axis direction, a wavelength converter disposed in a first area of the carrier and configured to convert a wavelength of light emitted from the light source, and at least one coil and at least one magnet disposed in a second area of the carrier and configured to generate electromagnetic force so as to vibrate the carrier in at least one vibration direction, the vibration direction being different from the optical-axis direction. | 05-12-2016 |
20160138766 | SEMICONDUCTOR LIGHT SOURCE APPARATUS - A reliable reflective typed semiconductor light source apparatus can emit various color lights having high brightness. The apparatus can include a first and second reflector layer, a phosphor plate disposed on the first reflector layer and a semiconductor light source. The phosphor plate can include at least one of at least one of a red phosphor, a green phosphor, a blue phosphor and a yellow phosphor. The light source can be located adjacent the phosphor plate so that an excited light emitted from the light source can be efficiently reflected on the first reflector layer via the phosphor plate and so that heats generated from the first reflector layer and the like can efficiently transmit toward the second reflector layer. Thus, the disclosed subject matter can provide a semiconductor light source apparatus that can emit various color lights having high brightness, and which can be used for general lighting, etc. | 05-19-2016 |
20160138774 | LIGHT-EMITTING DEVICE PACKAGE AND LIGHT-EMITTING MODULE INCLUDING THE SAME - Embodiments provide a light-emitting device package including a light source, a lens disposed on the light source, and a diffuser located on at least one of the interior of the lens or a light emission surface of the lens, so as to diffuse light. The diffuser includes at least one of a light dispersing agent distributed in the interior of the lens, or at least one light diffusion structure located on at least one of the outside or the inside of the light emission surface of the lens. The light diffusion structure includes a rough surface formed on the light emission surface of the lens. | 05-19-2016 |
20160139328 | LIGHT EMITTING DEVICE - A light emitting device ( | 05-19-2016 |
20160146408 | DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - A manufacturing method of a display apparatus includes providing a backlight unit under a display panel to provide a light to the display panel. The providing of the backlight unit includes disposing a light source on a substrate to emit the light, disposing a mask above the light source, which includes a first opening and a second opening greater than the first opening disposed under the first opening, and providing a transparent resin including a wavelength converting material on the light source through the first and second openings to form a wavelength converting member. A width in a cross section of the wavelength converting member along a direction substantially vertical to the substrate becomes smaller as a distance from the substrate becomes greater. | 05-26-2016 |
20160146409 | LIGHT EMITTING DIODE MODULE WITH THREE PART COLOR MATCHING - A light emitting diode module is produced using at least one LED and at least two selectable components that form a light mixing chamber. First and second selectable components have first and second types of wavelength converting materials with different wavelength converting characteristics. The first and second wavelength converting characteristics alter the spectral power distribution of the light produced by the LED to produce light with a color point that is a predetermined tolerance from a predetermined color point. Moreover, a set of LED modules may be produced such that each LED module has the same color point within a predetermined tolerance. The LED module may be produced by pre-measuring the wavelength converting characteristics of the different components selecting components with wavelength converting characteristics that convert the spectral power distribution of the LED to a color point that is a predetermined tolerance from a predetermined color point. | 05-26-2016 |
20160146435 | Light Emitting Module and Lighting Apparatus Including the Same - Disclosed is a light emitting module which includes a base and a plurality of light sources arranged on the base. Here, at least some of the plurality of light sources have a rectangular planar shape, and the plurality of light sources are arranged so that at least one of long-axis direction or short-axis direction of at least some of the plurality of light sources are alternately changed in at least one of row direction or column direction. | 05-26-2016 |
20160146440 | LIGHT EMITTING DIODE LIGHT ENGINE - A light emitting diode (LED) light engine includes: an LED; an LED driver for driving the LED; a bottom printed circuit board (PCB), the LED and the LED driver being securely mounted to the bottom PCB; and a top PCB secured to the bottom PCB, the top PCB including first and second cavities for receiving the LED and the LED driver therein. The LED light engine further includes a layer potted over the LED and formed of material containing a phosphor, or a plate that is disposed over the LED and secured to the top PCB and includes a layer formed of material containing a phosphor. The phosphor is excited by the light emitted from the LEDs to the intensity distribution over the wavelength of the light emitted by the LED. | 05-26-2016 |
20160153623 | ILLUMINATION DEVICE WITH AN ENVELOPE ENCLOSING A LIGHT SOURCE | 06-02-2016 |
20160153624 | METHOD OF MANUFACTURING LIGHT EMITTING ELEMENT OF FLUORESCENT LIGHT SOURCE | 06-02-2016 |
20160161064 | Solid State Light Sheet Having Wide Support Substrate and Narrow Strips Enclosing LED Dies in Series - A solid state light sheet and method of fabricating the sheet are disclosed. In one embodiment, bare LED chips have top and bottom electrodes, where the bottom electrode is a large reflective electrode. The bottom electrodes of an array of LEDs (e.g., 500 LEDs) are bonded to an array of electrodes formed on a flexible bottom substrate. Conductive traces are formed on the bottom substrate connected to the electrodes. A transparent top substrate is then formed over the bottom substrate. Various ways to connect the LEDs in series are described along with many embodiments. In one method, the top substrate contains a conductor pattern that connects to LED electrodes and conductors on the bottom substrate. | 06-09-2016 |
20160161065 | METHOD FOR PREPARING LIGHT CONVERSION COMPOSITE, LIGHT CONVERSION FILM, BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A light conversion composite including a matrix resin and quantum dot-polymer beads dispersed within the matrix resin. The light conversion composite has a wave number q of 0.0056 Å | 06-09-2016 |
20160161066 | METHOD FOR PREPARING QUANTUM DOT-POLYMER COMPLEX, QUANTUM DOT-POLYMER COMPLEX, LIGHT CONVERSION FILM, BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A quantum dot-polymer complex and a method for preparing the same. The quantum dot-polymer complex includes a first phase formed of a matrix resin, a globular second phase dispersed in the first phase, the second phase including a quantum dot therein, and a third phase disposed along a surface of the second phase between the first and second phases. | 06-09-2016 |
20160161067 | LIGHT EMITTING ARRANGEMENT WITH ADAPTED OUTPUT SPECTRUM - A light-emitting arrangement ( | 06-09-2016 |
20160161068 | FULL-COLOR FREESPACE VOLUMETRIC DISPLAY WITH OCCLUSION - A system includes a particle configured for emitting light in response to stimulation by a light beam, a first light source configured for generating a first light beam that traps the particle in a potential well created by the light beam in air, and a second light source configured for generating a second light beam that stimulates the particle to emit emission light. | 06-09-2016 |
20160161087 | NANOWIRE ARRAYS COMPRISING FLUORESCENT NANOWIRES AND SUBSTRATE - Described herein is a nanowire array, comprising a substrate, a plurality of fluorescent nanowires extending essentially perpendicularly from the substrate and a reflective layer disposed on the substrate in areas between the fluorescent nanowires; wherein the fluorescent nanowires are operable to fluoresce at a wavelength of a collective mode of the nanowire array. | 06-09-2016 |
20160169458 | VARIABLE-BEAM LIGHT SOURCE WITH MIXING CHAMBER | 06-16-2016 |
20160169459 | COLOR RENDERING INDEX TUNABLE LAMP AND LUMINAIRE | 06-16-2016 |
20160169460 | LIGHT EMITTING DEVICE | 06-16-2016 |
20160169461 | LIGHT SOURCE DEVICE AND ENDOSCOPE APPARATUS COMPRISING THE SAME | 06-16-2016 |
20160178141 | LIGHT MODULE AND METHOD FOR PROVIDING WAVELENGTH-CONVERTED LIGHT IN THE RED SPECTRAL RANGE AND PROJECTION DEVICE THEREFOR | 06-23-2016 |
20160186934 | SOLID STATE ILLUMINATION DEVICE - A solid state illumination device includes a semiconductor light emitter mounted on a base and surrounded by sidewalls, e.g., in a circular, elliptical, triangular, rectangular or other appropriate arrangement, to define a chamber. A top element, which may be reflective, may be coupled to the sidewalls to further define the chamber. The light produced by the semiconductor light emitter is emitted through the sidewalls of the chamber. The sidewalls and/or top element may include wavelength converting material, for example, as a plurality of dots on the surfaces. An adjustable wavelength converting element may be used within the chamber, with the adjustable wavelength converting element being configured to adjust the surface area that is exposed to the light emitted by the semiconductor light emitter in the chamber to alter an optical property of the chamber. | 06-30-2016 |
20160186935 | ULTRA THIN DISPLAY MODULE AND METHOD FOR ASSEMBLING THE SAME - The disclosure provides an ultra thin display module, comprising a LED substrate, a plurality of LED lamp beads, a secondary lens and a display panel. The plurality of LED lamp beads is disposed on the array of the LED substrate, the secondary lens is disposed on the LED substrate, the secondary lens is encapsuled inside the top surface of the LED lamp beads, and the display panel is disposed on the top surface of the secondary lens. The ultra thin display module and method for assembling the same of the disclosure use a brand new structure of ultra thin display module, such that the thickness of the module is greatly decreased as compared with the present techniques. | 06-30-2016 |
20160186936 | Light emitting device and method of manufacturing the same - A light emitting device includes a first support member having an outer circumferential lateral surface and a first through-hole, a light-transmissive member including a fluorescent material and disposed in the first through-hole, a second support member having an inner circumferential lateral surface and a second through-hole and a light emitting element disposed below the first support member. At a temperature higher than a first temperature in a range of 200° C. to 800° C., an outer dimension of the first support member is smaller than an inner dimension of the second support member. At room temperature, the outer dimension of the first support member without being fixed is greater than the inner dimension of the second support member without being fixed. The first temperature is a temperature at which a magnitude correlation between the outer dimension of the first support member and the inner dimension of the second support member is reversed. | 06-30-2016 |
20160186938 | OPTICAL MODULE - An optical module including a reflecting component, a plurality of first light sources and a wavelength conversion body is provided. The reflecting component has a main axis and a focal point located on the main axis. The first light sources are located at one side of the reflecting component and each of the first light sources emits a first light parallel to the main axis towards the reflecting component. The wavelength conversion body is disposed on the focal point, wherein the first lights are reflected to the focal point via the reflecting component and a part of the first lights are converted to a second light via the wavelength conversion body. The second light and another part of the first lights are projected to the reflecting component and form a light beam parallel to the main axis via reflection by the reflecting component. | 06-30-2016 |
20160186958 | LIGHT SOURCE APPARATUS - A light source apparatus includes two or more light sources placed in one direction, and an array lens having two or more lenses, which corresponds to each of the light sources. In order to condense a light emitted from each of the lenses into one position, in a first lens in each of the lenses, an optical axis of the light source which corresponds to the first lens is shifted from an optical axis of said first lens in said one direction. The first lens is formed such that a length from the optical axis to one end of said first lens in the one direction is longer than a length from the optical axis to another end of the first lens in a direction which is opposite to the one direction. | 06-30-2016 |
20160186968 | COLOR TEMPERATURE TUNABLE AND DIMMABLE SOLID-STATE LINEAR LIGHTING ARRANGEMENTS - A solid-state linear lamp comprises a co-extruded component, the co-extruded component comprising multiple photoluminescence portions corresponding to different color temperatures, a diffuser portion, and a top portion, where the photoluminescence portion, the diffuser portion, and the top portion are integrally formed into the co-extruded component. | 06-30-2016 |
20160186979 | EFFICIENT COOLING OF LASERS, LED AND PHOTONICS DEVICES - The present invention provides an optoelectronic device comprising a heat source and a heat transfer fluid. The present invention also provides a method of preparing an optoelectronic device, which comprises (i) providing a heat source, and (ii) filling a space in the vicinity of the heat source with a heat transfer liquid. The optoelectronic device has gained technical merits such as improved heat removing efficiency, lower chip/junction temperature, increased lumen output, longer operational lifetime, and better reliability, among others. | 06-30-2016 |
20160195222 | LIGHT BAR AND DISPLAY DEVICE | 07-07-2016 |
20160195226 | LIGHT SOURCE UNIT, LIGHT SOURCE DEVICE, AND DISPLAY APPARATUS | 07-07-2016 |
20160195244 | WAVELENGTH CONVERTING DEVICE, METHODE FOR MANUFACTURING THE SAME AND LIGHTING UNIT USING THE SAME | 07-07-2016 |
20160195647 | LIGHT-SCATTERING SHEET, ELECTRONIC DEVICE COMPRISING SAME, AND METHOD FOR PRODUCING SAME (As Amended) | 07-07-2016 |
20160200973 | PHOSPHORS | 07-14-2016 |
20160201857 | LIGHT-EMITTING DEVICE WITH AIR RING | 07-14-2016 |
20160201880 | Light Emitting Apparatus | 07-14-2016 |
20160201881 | TRANSPARENT LUMINESCENT DISPLAYS ENABLED BY ELECTRIC-FIELD-INDUCED QUENCHING OF PHOTOLUMINESCENT PIXELS | 07-14-2016 |
20160252219 | LIGHT-EMITTING ARRANGEMENT WITH ADAPTED WAVELENGTH CONVERTER | 09-01-2016 |
20160252220 | SHEET LIGHT SOURCE USING LASER DIODE | 09-01-2016 |
20160252722 | WAVELENGTH CONVERSION DEVICE, AND LIGHT SOURCE SYSTEM AND PROJECTION SYSTEM THEREFOR | 09-01-2016 |
20160377248 | LIGHTING DEVICE COMPRISING A RING-SHAPED LIGHT TRANSMITTING ELEMENT - A lighting device is disclosed, which comprises a light transmitting element extending along a perimeter such that a hollow is defined by the light transmitting element. The light transmitting element comprises a light in-coupling surface adapted to couple light emitted by at least one light emitting element into the light transmitting element, and a light out-coupling surface adapted to couple light out of the light transmitting element. The lighting device is combined with a light reflecting envelope arranged to enclose the lighting device such that light emitted from the light out-coupling surface is reflected at an inner surface of the envelope. Thereby a reflected image may be produced, having an appearance resembling a candle flame. | 12-29-2016 |
20160377268 | ILLUMINATION DEVICE - An illumination device includes a light source configured to emit laser light; and a wavelength conversion part configured to convert a wavelength of the laser light emitted from the light source and to irradiate illumination light. The wavelength conversion part includes a conversion region provided with a phosphor which converts the wavelength of the laser light and emits the wavelength-converted laser light, and a non-conversion region not provided with the phosphor and configured to transmit the laser light irradiated from the light source. The non-conversion region is formed in a pinhole shape with respect to the conversion region. | 12-29-2016 |
20160377966 | OPTICAL DEVICE - An optical device includes a phosphor wheel and two light sources. The phosphor wheel has two phosphor regions. The phosphor regions are located at different radial positions of the phosphor wheel and are not overlapped. Each of the phosphor regions has a plurality of color sections. The light sources emit two light beams so as to respectively provide two light spots on the phosphor wheel. During the rotation of the phosphor wheel, the light spots are located at the color sections having the same fluorescent characteristic respectively in the phosphor regions. | 12-29-2016 |
20160377967 | PROJECTOR-USE LUMINESCENT WHEEL AND MANUFACTURING METHOD THEREFOR, AND PROJECTOR-USE LIGHT EMITTING DEVICE - Provided is a luminescent wheel for a projector, which has a novel structure in which a phosphor layer is hard to break even if its thickness is reduced; a manufacturing method therefor; and a light emitting device for a projector. A luminescent wheel for a projector includes: a phosphor layer ( | 12-29-2016 |
20170234506 | PHOSPHOR PLATE AND LIGHTING DEVICE INCLUDING THE SAME | 08-17-2017 |
20170234519 | LED LAMP UNIT | 08-17-2017 |
20170235127 | ENHANCEMENT OF OUTPUT OF OPTICALLY PUMPED PHOSPHOR BY USE OF SURFACE NANOSTRUCTURES | 08-17-2017 |
20170238419 | Package-less LED Assembly and Method | 08-17-2017 |
20180023771 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME | 01-25-2018 |
20180023781 | Light Emitting Apparatus | 01-25-2018 |
20180024277 | QUANTUM DOT PROTECTIVE FILM, AND WAVELENGTH CONVERSION SHEET AND BACKLIGHT UNIT OBTAINED BY USING THE SAME | 01-25-2018 |
20180024279 | WAVELENGTH CONVERSION APPARATUS AND LIGHT SOURCE APPARATUS | 01-25-2018 |
20180024404 | ELECTRO-OPTICAL SWITCHING ELEMENT AND DISPLAY DEVICE | 01-25-2018 |
20180024425 | ILLUMINATION DEVICE AND IMAGE PROJECTION APPARATUS | 01-25-2018 |
20180024426 | PROJECTOR AND PROJECTING METHOD USING THE SAME | 01-25-2018 |
20190146314 | PHOSPHOR WHEEL AND LIGHT CONVERSION DEVICE INCLUDING THE SAME | 05-16-2019 |
20190146318 | PROJECTOR AND WAVELENGTH-CONVERTING ELEMENT | 05-16-2019 |