Entries |
Document | Title | Date |
20080218998 | DEVICE HAVING MULTIPLE LIGHT SOURCES AND METHODS OF USE - A visualization device is described. The visualization device includes a body. The body includes a cavity configured to receive one or more components. One or more activating light sources may be positioned in the cavity of the body and are configured to produce activating light. One or more white light sources may be positioned opposite to the activating light source in the cavity of the body and are configured to produce white light. The activating light sources and the white light sources are both coupled to one or more power sources. Methods of detecting leaks using the visualization device are also described. | 09-11-2008 |
20090009994 | FLICKERLESS LIGHT SOURCE - A flickerless light source comprising a transparent or semitransparent diffuser, at least two lightpipes with patterned surfaces inside the diffuser, a single sided LED light source attached to each end of the diffuser, and a dual sided LED light source connecting the lightpipes together is disclosed. The patterned surface of the lightpipes diffuse or reflect light emitted by the single and dual LED light sources and through the lightpipes to provide a light with uniform brightness and intensity. The lightpipes are coated with a thin layer of visible-light transparent material which is doped with organic dye molecules. The organic dye has strong ultraviolet light absorption characteristics. By changing the doping concentration of the dye molecules the coating can become totally opaque or semi-transparent to certain wavelengths and selective wavelength conversion is obtained. In this way light color, brightness, and intensity can be varied or controlled. | 01-08-2009 |
20090034248 | Illuminating Device for Microscopes - The invention relates to an illuminating device for microscopes, wherein the light source has, in particular, a white light illumination having total daylight spectrum and/or an excitation light source for fluorescent colors. The inventive illuminating device for a microscope consists of surface or spatially arranged light sources, which are connected to a control unit for generating any desired illuminating patterns and illuminating spectrums, and an illuminating optic to image these illuminating patterns on the object to be examined. The light sources consist of LEDs ( | 02-05-2009 |
20090086474 | Method and Apparatus for Thermally Effective Trim for Light Fixture - A lighting assembly comprises a light fixture. The light fixture includes a trim formed by a stamping or die casting process. The trim has thermally conductive properties and includes a flange around a perimeter of the trim. The light fixture includes a light source mounted to a central portion of a front surface of the trim, and a heatsink formed by an extrusion or die casting process. The heatsink has thermally conductive properties and is mounted to a back surface of the trim. The light fixture includes an attachment mechanism connected to the light fixture. A recessed can housing mounted to a surface may be provided. The light fixture may be mounted to the recessed can housing by inserting the heatsink into the recessed can housing and engaging the attachment mechanism to an interior portion of the recessed can housing to brace the flange against the surface. | 04-02-2009 |
20090122530 | SOLID STATE ILLUMINATION SYSTEM WITH IMPROVED COLOR QUALITY - Disclosed herein are solid state illumination systems which provide improved color quality and/or color contrast. The systems provide total light having delta chroma values for each of the fifteen color samples of the color quality scale that are preselected to provide enhanced color contrast relative to an incandescent or blackbody light source, in accordance with specified values which depend on color temperature. Illumination systems provided herein may comprise one or more organic electroluminescent element, or they may comprise a plurality of inorganic light emitting diodes, wherein at least two inorganic light emitting diodes have different color emission bands. Methods for the manufacture of illumination systems having improved color quality and/or color contrast are also provided. | 05-14-2009 |
20090207604 | Virtual single light source having variable color temperature with integral thermal management - A lamp that allows a user to adjust parameters to control emitted white light, specifically quality, intensity and color temperature. Under such control, the lamp can match, complement, or augment ambient or available natural or artificial light. In specific embodiments, the lamp uses high power, high CRI, white LED sources; integral thermal management that also functions as LED structural support; integral optics (secondary lenses) with accommodation for diffusing elements; and manually responsive controls. | 08-20-2009 |
20100118526 | LAMP - A lamp includes a tube-shaped lamp shade with a space, a first light-emitting diode (LED) light source, a first diffuser, a second LED light source, a second diffuser, and two covers. A spacer extending along the direction of the length of the tube-shaped lamp shade is disposed in the space. The spacer has a first surface and a second surface, and the tube-shaped lamp shade has a first slot and a second slot. The first LED light source is disposed on the first surface. The first diffuser is disposed in the first slot, and a first hole is formed at the first diffuser. The second LED light source is disposed on the second surface. The second diffuser is disposed in the second slot. The two covers are disposed at two ends of the tube-shaped lamp shade respectively, and each cover has a second hole. | 05-13-2010 |
20100157586 | Illuminative module for emitting white light via mixing the primary colors with fourth color - Disclosed is an illuminative module for enhancing the white balance while reducing thermal drift and color spots. The illuminative module includes a substrate and light-emitting elements provided on the substrate to emitting light of the primary colors and a fourth color, respectively, so that the light of the primary colors is mixed with the light of the fourth color to provide white light. | 06-24-2010 |
20110026246 | LED BASED LIGHT SOURCE - There is provided a light-emitting device ( | 02-03-2011 |
20110235322 | LED BASED HIGH-INTENSITY LIGHT WITH SECONDARY DIFFUSER - A high intensity LED based lighting array for use in an obstruction light with efficient uniform light output is disclosed. The high intensity LED based lighting array has a ring assembly having a plurality of reflectors and light emitting diodes. The ring assembly has a planar surface mounting each of the plurality of primary reflectors in perpendicular relation to a respective one of the plurality of light emitting diodes. A secondary diffuser is positioned on the ring to mix light from the light emitting diodes to create a uniform light emission in a range of azimuth angles. | 09-29-2011 |
20110255278 | SOLID STATE LIGHT ASSEMBLY HAVING LIGHT REDIRECTION ELEMENTS - A light assembly that includes an enclosure, a circuit board having a plurality of light sources disposed within the enclosure, and a plurality of light redirection elements associated with a respective one of the plurality of light sources. Each of the light redirection elements directs light toward a common point within the enclosure. | 10-20-2011 |
20110280011 | MARINE LED LIGHTING SYSTEM AND METHOD - A method and apparatus of lighting a marine habitat for growth utilizing an LED light system. The light system includes an LED light source, a power supply for such light source and a controller for controlling the activation status and the intensity of the LED light source. | 11-17-2011 |
20120063128 | LED LIGHTING ASSEMBLIES WITH THERMAL OVERMOLDING - One or more light emitting diode diodes (LEDs) are attached to a printed circuit board. The attached LEDs are connectable with a power source via circuitry of the printed circuit board. An overmolding material is insert molded an over at least portions of the printed circuit board proximate to the LEDs to form a free standing high thermal conductivity material overmolding that covers at least portions of the printed circuit board proximate to the LEDs. The free standing high thermal conductivity material has a melting temperature greater than about 100° C. and has a thermal conductivity greater than or about 1 W/m·K. In some embodiments, the free standing high thermal conductivity material is a thermoplastic material. | 03-15-2012 |
20120063129 | LAMP DESIGNED TO USE SOLID-STATE LIGHT EMITTING DEVICE AS LIGHT SOURCE - Provided is a lamp designed to use as a light source a solid-state light emitting device with a simple and inexpensive structure and having an improved heat dissipation performance. A lamp uses a solid-state light emitting device as a light source. A cap is mounted to an external apparatus at the time of use. A housing is made of a translucent material and is connected to the cap. A light-emitting module includes one or a plurality of solid-state light emitting devices and is mounted such that the main-light-emission side (lower side in FIG. | 03-15-2012 |
20120120646 | TOTAL INTERNAL REFLECTION LENS WITH PEDESTALS FOR LED EMITTER - A lens has an optical body member with a first end, a second end, and an outer surface, the outer surface being shaped to provide total internal reflection. The optical body member further has an interior open channel extending longitudinally from the first end to the second end thereof. The optical body member further has a plurality of refractive surface regions disposed in the second end thereof and around the second opening of the interior open channel. The optical body member also has a plurality of protrusions extending from the first end of the optical body member. The protrusions are disposed circumferentially around the first opening of the interior open channel and are arranged to center the optical body member and to maintain the optical body member at a predetermined position with respect to the light source. In a light apparatus having an LED emitter disposed on a substrate, the protrusions can fit into notches in the substrate. | 05-17-2012 |
20120120647 | ILLUMINATION DEVICE FOR STAGE LIGHTING WITH HIGH LIGHT-COMBINING EFFICIENCY - An illumination device for stage lighting with high light-combining efficiency includes at least two LED arrays ( | 05-17-2012 |
20120170263 | LIGHT CONDITIONING FOR HIGH-BRIGHTNESS WHITE-LIGHT ILLUMINATION SOURCES - In one general aspect, the invention features an illumination source that comprises a housing and a plurality of LED illumination elements that are mounted proximate each other in a central cluster with respect to the housing and leaving a peripheral space around the cluster, with the peripheral space being significantly larger than a separation between the LED illumination elements in the cluster. A transparent housing cover is mounted with respect to the housing in front of an axis of illumination of the LED illumination elements. A tinted transparent housing cover and/or a smoothing LED can also be employed. | 07-05-2012 |
20120188758 | LIGHTING DEVICE AND DISPLAY DEVICE - A lighting device ( | 07-26-2012 |
20120188759 | COLOR CORRECTION METHOD FOR ILLUMINATION LIGHT, AND LIGHT SOURCE MODULE AND LIGHTING DEVICE USING THIS COLOR CORRECTION METHOD - Provided is a lighting device capable of correcting loss of color balance of illumination light that tends to occur among a plurality of light source modules and providing uniform illumination light of the same color. A lighting device | 07-26-2012 |
20120218747 | COMPACT LIGHT MIXING ILLUMINATOR, UTILIZING THE FOURIER TRANSFORM OF PATTERNED SOLID-STATE SURFACE LIGHT EMITTING ARRAYS - One embodiment of the invention is directed to a light mixing illuminator for illuminating an object, comprising an array of light emitting elements wherein at least some of the elements emit light of different wavelengths. An optical device is employed that focuses the light from the elements to a Fourier plane of the device, wherein the light emitting elements are arranged so that at least the zero spatial frequency components of light of the different wavelengths from the elements substantially overlap in a region at the Fourier plane. An objective is used to project the region onto the object. A mask is used that selectively blocks some of spatial frequency components of light from the elements without blocking the zero spatial frequency components of light from reaching the object. | 08-30-2012 |
20120218748 | LED LIGHT BULB - The alleged invention is directed to a LED light bulb capable of being installed in a light fixture/housing, the LED light bulb comprising a main body having a first end and a second end, at least one LED disposed within the second end of the main body, an electrical connector disposed at the second end of the main body and an adjustment member provided for adjusting the position of the second end of the main body with respect to a rim defining an opening in the light fixture/housing. | 08-30-2012 |
20120243219 | Light-Emitting Panel, Light-Emitting Device, and Method for Manufacturing the Light-Emitting Panel - A light-emitting panel can be manufactured in which a first light-emitting element emits light having high brightness and a pale color and causing less eyestrain even in the case of long time, a second light-emitting element emits light of a bright red color, a third light-emitting element emits green light, and a fourth light-emitting element emits blue light. Further, a layer transmitting light of a specific color (e.g., a color filter) is not provided in all the light-emitting elements except the second light-emitting element; thus, light emitted from the layer containing a light-emitting organic compound can be efficiently used. As a result, a light-emitting panel which is capable of bright, full-color light emission and whose power consumption is reduced can be provided. | 09-27-2012 |
20120275146 | LIGHT SOURCE SYSTEM - A light source system for use in a projector is provided. The light source system comprises a main optical axis, a first sub-optical axis, a second sub-optical axis, at least one first optical module, at least one second optical module and a third optical module. The at least one first optical module comprises a first light source array and a second light source array for emitting a plurality of first beams and a plurality of second beams respectively. The at least one second optical module comprises a third light source array for emitting a plurality of third beams. The third optical module integrates the first beams, the second beams and the third beams into a main beam for projection along the main optical axis. | 11-01-2012 |
20120287618 | ILLUMINATION DEVICE - The illumination device has a lamp fixing on the upper end of the support rod standing on the walkway to be located in a side of the roadway. An inside circumferential surface of the lamp fixing has a first arrangement surface inclined upwardly from the walkway to the roadway and a second arrangement surface inclined upwardly from the roadway to the walkway. The first arrangement surface and the second arrangement surface are provided with the light emitting diodes, respectively. The color of the light of the light emitting diode on the first arrangement surface and the second arrangement surface are set such that the S/P ratio of the scotopic luminance to the photopic luminance of the light emitting diode on the second arrangement surface is greater than that of the first arrangement surface. | 11-15-2012 |
20120300447 | LED Lamp for Producing Biologically-Corrected Light - A light-emitting diode (LED) lamp for producing a biologically-corrected light. In one embodiment, the LED lamp includes a color filter, which modifies the light produced by the lamp's LED chips, to increase spectral opponency and minimize melatonin suppression. In doing so, the lamp minimizes the biological effects that the lamp may have on a user. The LED lamp is appropriately designed to produce such biologically-correct light, while still maintaining a commercially acceptable color temperature and commercially acceptable color rending properties. Methods of manufacturing such a lamp are provided, as well as equivalent lamps and equivalent methods of manufacture. | 11-29-2012 |
20120300448 | BULB-SHAPED LAMP AND LIGHTING DEVICE - A bulb-type lamp having both heat dissipation and size/weight reduction properties with a lower thermal load on a lighting circuit. An LED module is mounted in a case with a base member to allow dissipation of heat. An LED mount member closes another end of the case and allows conduction of heat to the case. A lighting circuit receives power via the base member. The lighting circuit is disposed inside a circuit holder. An air space exists between the circuit holder and both the case and the mount member. The lighting circuit is isolated from the air space by the circuit holder. A relationship 0.5≦S | 11-29-2012 |
20120327649 | LED BASED ILLUMINATION MODULE WITH A LENS ELEMENT - An illumination module includes a plurality of Light Emitting Diodes (LEDs). The illumination module includes a reflective mask cover plate disposed over the LEDs. The reflective mask includes a patterned reflective layer with an opening area aligned with the active die area of the LEDs. The reflective mask may be a patterned reflective layer disposed between the plurality of LEDs and a lens element, wherein a void in the patterned reflective layer is filled with a material that mechanically and optically couples the plurality of LEDs and the lens element. The illumination module may include a color conversion cavity that envelopes a lens element that may include a dichroic filter. The lens element may have different surface profiles over different groups of LEDs. | 12-27-2012 |
20130027925 | Display Device Having an Optical Display Field - A first light source arranged behind a display field and configured to generate an elementary color or a secondary color from red, green and blue elementary colors for increasing safety of a display device having an optical display field, wherein the first light source is connected to an activation module which is configured to activate the first light source based on the desired color. A second light source is arranged behind the display field and configured to generate the elementary color or the secondary color from the red, green and blue elementary colors. The second light source is connected to the activation module which is configured to activate the second light source based on the desired color of the first light source, and a monitor is provided which is configured to identify an error or a fault on one of the light sources and to shutdown the faulty light source. | 01-31-2013 |
20130070448 | LED LAMP - There is herein described a lamp for providing white light comprising a plurality of light sources positioned on a substrate. Each of said light sources comprises a blue light emitting diode (LED) and a dome that substantially covers said LED. A first portion of said blue light from said LEDs is transmitted through said domes and a second portion of said blue light is converted into a red light by a first phosphor contained in said domes. A cover is disposed over all of said light sources that transmits at least a portion of said red and blue light emitted by said light sources. The cover contains a second phosphor that emits a yellow light in response to said blue light. The red, blue and yellow light combining to form the white light and the white light having a color rendering index (CRI) of at least about 80. | 03-21-2013 |
20130077298 | 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 are 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. | 03-28-2013 |
20130094204 | DEVICE WITH COMBINED FEATURES OF LIGHTING AND AIR PURIFICATION - A lighting device combined with an air purification feature is disclosed. At least one function of the device is to provide high quality directional light for general lighting purposes. An additional function is to decompose VOCs and/or destroy microbes in the ambient air. The heat generated by white LEDs is utilized to generate air flow through the device. The geometry is designed to utilize the chimney effect and maximize volumetric flow. The circulated air is purified by a photocatalytic layer applied to the interior surface of the device. The lighting device can be built into pendant luminaires or lamps, thus ensuring vertical orientation of the light module. The exemplary embodiments may be applied in public places, hospitals, ward rooms, and other locations where a cost effective disinfection method is needed. | 04-18-2013 |
20130100658 | SOLID STATE LIGHTING DEVICE - A lighting device is disclosed comprising a plurality of light emitters and a heat spreader plate thermally coupled to the plurality of light emitters, wherein the plurality of solid state emitters provides a thermal load upon application of an operating current and voltage, the heat spreader plate dissipating substantially all of the thermal load to an ambient air environment. | 04-25-2013 |
20130107511 | LED ILLUMINATION MODULE | 05-02-2013 |
20130170199 | LED LIGHTING USING SPECTRAL NOTCHING - LED lighting using optical elements with spectral notching is disclosed. Embodiments of the invention provide an optical element and LED devices and systems using such an optical element, where spectral notch filtering introduced by the optical element improves the color rendering index (CRI) of emitted light. In some embodiments of the invention, the optical element is made to act as a notch filter by including a rare earth compound such as neodymium oxide in or on the material of which the optical element is made. A color pigment can also be used to impart notch-filtering properties to an optical element. An optical interference film can also be used. The optical element may be included in an LED device such as a multichip component or may be used as an enclosure or reflector for an LED lighting system such as a lamp or fixture. | 07-04-2013 |
20130329416 | LIGHTING APPARATUS - A lighting apparatus includes a laser lighting module, an LED lighting module, and a sensor module. The laser lighting module includes a base part, a laser diode mounted on a substrate fixed on the base part, a ceramic phosphor upon which a blue laser light from the laser diode is incident, and a lens for adjusting luminous intensity distribution of light emitted from the ceramic phosphor, and is mounted on a module mount part of a mount body part. The LED lighting module and the sensor module are also mounted on other module mount parts of the mount body part, respectively. Thus, by mounting various combinations of the laser lighting modules and the LED lighting modules on the mount body part provided with a plurality of module mount parts, it is possible to manufacture lighting apparatuses for various uses at low cost. | 12-12-2013 |
20140003044 | INTEGRATED LED BASED ILLUMINATION DEVICE | 01-02-2014 |
20140036493 | FIXTURES FOR LARGE AREA DIRECTIONAL AND ISOTROPIC SOLID STATE LIGHTING PANELS - Reflector designs for a large area panel light source create induced draft cooling means adjacent to the panel light source. The panel light source has a wavelength conversion element on a solid state light source for emitting light of a first and second wavelength to form a broader emission spectrum of light from the panel light source. | 02-06-2014 |
20140146530 | GLASS-CERAMIC ARTICLE HAVING A COLORED LUMINOUS DISPLAY - The present invention relates to an article having at least one colored luminous zone, in particular a display zone, said article comprising at least one glass-ceramic substrate having a luminous transmission ranging from 0.8% to 40% and an optical transmission of at least 0.1% for at least one wavelength in the range extending from 420 to 780 nm, at least one light source and at least one filter so as to form at least one colored luminous zone, in particular a display zone, in at least one zone of the plate. | 05-29-2014 |
20140153233 | SOLID STATE LIGHTING DEVICE - A lighting device is disclosed comprising a plurality of light emitters and a heat spreader plate thermally coupled to the plurality of light emitters, wherein the plurality of solid state emitters provides a thermal load upon application of an operating current and voltage, the heat spreader plate dissipating substantially all of the thermal load to an ambient air environment. | 06-05-2014 |
20140268731 | LOW BAY LIGHTING SYSTEM AND ASSOCIATED METHODS - A low bay lighting system which may include a fixture housing and a plurality of light sources disposed on a mounting surface in the fixture housing. The low bay lighting system may also include a power supply and an optic that is configured for emission of glare-inducing wavelength light at non-glare-inducing angles. The non-glare-inducing angles may be measured from a horizontal axis running through a medial portion of the mounting surface of the fixture housing. One or more of the plurality of light sources may be configured to emit light having a wavelength range within an anti-glare wavelength range. The light emitted at glare-inducing angles may have a wavelength range substantially within the anti-glare wavelength range. | 09-18-2014 |
20140321112 | BULB STRUCTURE AND LIGHT GUIDE LAMP COVER THEREOF - A bulb structure and a light guide lamp cover thereof are provided. The bulb structure comprises a light source and a lamp body. The light source includes a circuit board and a plurality of light emitting elements disposed on the circuit board. The lamp body includes a light guide lamp cover disposed above the light source. The light guide lamp cover includes a light guide element and a holder. The light guide element covers a peripheral surface of the holder. The light guide element is moveably connected onto the holder through a fastening element and can move relative to the holder. | 10-30-2014 |
20140362566 | SEALED AND SEALABLE LIGHTING SYSTEMS INCORPORATING FLEXIBLE LIGHT SHEETS AND RELATED METHODS - In accordance with certain embodiments, lighting systems include flexible light sheets and one or more sealed regions containing light-emitting elements, the sealed regions defined by seals between a top housing and a bottom housing and/or the light sheet. | 12-11-2014 |
20150049477 | LED LIGHTING DEVICE - An LED lighting device includes a circuit board, an LED die module, an LED driving component, and a translucent packaged body. The circuit board has a thermally conductive substrate, an electrically conductive layer, and two electrodes disposed on the thermally conductive substrate. The electrically conductive layer is disposed on a first surface of the thermally conductive substrate, and is electrically connected to the electrodes. The LED die module and the LED driving component are welded on the electrically conductive layer to establish an electrical connection therebetween. The packaged body is integrally formed as one body on the first surface to cover the LED die module and the LED driving component. The LED die module is packaged in the packaged body. Thus, the two electrodes are configured to electrically connect to an external power source for directly turning on the LED die module. | 02-19-2015 |
20150092405 | Beacon Light Having A Lens - A beacon light and lens system includes a base, a light emitting diode assembly having at least one light emitting diode secured to the base, a lens including optics configured to capture and direct light from the at least one light emitting diode, a driver board configured to power the at least one light emitting diode, a power source connected to the driver board wherein the lens is mounted on the base. The system generates a 360° horizontal beam pattern and a predetermined vertical beam pattern. | 04-02-2015 |
20160040842 | LIGHTING SYSTEM FOR ACCENTING REGIONS OF A LAYER AND ASSOCIATED METHODS - A system for accenting an appliqué comprising a lighting system comprising a light source configured to emit polychromatic light, and an appliqué configured to be applied to a surface, the appliqué being configured to at least one of scatter light and reflect light within an appliqué wavelength range. The light source is operable to emit alternating first and second polychromatic lights, the first polychromatic light comprising a maxima within the appliqué wavelength range and the second polychromatic light not comprising a maxima within the appliqué wavelength range. | 02-11-2016 |
20160123561 | SURFACE MOUNT DEVICE TYPE LASER MODULE - A surface mount device type laser module includes a housing, an edge-emitting type laser diode unit, a reflective optical component and a base. The base is accommodated within the housing, and the edge-emitting type laser diode unit is integrated into the base. The base includes at least one surface transmission structure. The at least one surface transmission structure is exposed outside the base and the housing. An electronic signal is transmitted through the at least one surface transmission structure. A laser beam provided by the edge-emitting type laser diode unit is reflected by the reflective optical component, and the reflected laser beam is transmitted through an opening of the housing. | 05-05-2016 |
20190145609 | SEALED AND SEALABLE SCALABLE LIGHTING SYSTEMS INCORPORATING FLEXIBLE LIGHT SHEETS AND RELATED METHODS | 05-16-2019 |