Entries |
Document | Title | Date |
20080205078 | ILLUMINATION TILES AND RELATED METHODS - Illumination assemblies, components, and related methods are described. A plurality of illumination tiles may be arranged in a two-dimensional array. In one embodiment, an illumination tile comprises at least one solid state light-emitting device and a light guide including an edge constructed and arranged to receive light from the solid state light-emitting device, and a top emission surface constructed and arranged to emit light received by the edge, wherein the solid state light-emitting device is disposed under the top emission surface. In another embodiment, an illumination tile comprises at least one solid state light-emitting device and a light guide including a light input portion including an edge constructed and arranged to receive light from the light-emitting device and a top surface, and a light extraction portion including a top emission surface constructed and arranged to emit light received by the edge, wherein the top surface of the light input portion is offset vertically from the top emission surface of the light extraction portion. | 08-28-2008 |
20080205079 | Spread illuminating apparatus and display device incorporating same - A spread illuminating apparatus is provided which includes: a light conductor plate having a light inlet surface and two major surfaces; a light source unit disposed at the light inlet surface of the light conductor plate; and a light diffuser pattern disposed at the lower major surfaces of the two major surfaces of the light conductor plate, wherein the light source unit includes first and second white light sources which have respective different light emitting principles, are arranged in the width direction of the light conductor plate with their respective ends set close to one another, and which can be turned on and off independently of each other. | 08-28-2008 |
20080232134 | Replaceable LED light source device used in backlight module - A replaceable LED light source device used in a backlight module comprises a LED bar disposed with a plurality of LEDs thereon used for providing illumination and an attaching plate used for disposing the detachable LED bar within a case locating the backlight module therein. Thereby, the previous LED light source device can be replaced by a new one when any LED on the LED bar stops working. | 09-25-2008 |
20080239751 | LED LAMP ASSEMBLY - An exemplary LED lamp includes a housing having an opening, a printed circuit board, at least one LED, a light reflective plate, a light reflective module and a lamp cover. The printed circuit board is positioned on a bottom of the housing. The LED is electrically connected with the printed circuit board. The light reflective plate defines at least one through hole, the LED passing through the corresponding through hole. The light reflective module includes a bottom reflective plate, at least two opposite reflective sidewalls, at least one light-shielding sheet extending at midsections from the opposing reflective sidewalls. The bottom reflective plate defines at least one first cutout, the at least one LED passing through the corresponding first cutout. The at least one light-shielding sheet defines a plurality of light holes and covers the corresponding LED. The LED lamp assembly has a uniform luminance. | 10-02-2008 |
20080239752 | Light emitting diode having electrodes with branches and backlight module using same - An exemplary light emitting diode ( | 10-02-2008 |
20080247191 | Thin and flexible light guide element - The subject invention provides a thin and flexible light guide element, which comprises a first optical layer composed of a flexible transparent material; a second optical layer formed on the lower side of the first optical layer and having a light-adjusting structure to change the light path; and a third optical layer formed on the upper side of the first optical layer and having a convex-concave structure to homogenize the light emitted from the first optical layer, wherein the first and second optical layers have different refractive indices. | 10-09-2008 |
20080259641 | Planar Illumination Device - Thinning of a planar illumination device using an LED is accelerated while higher and more uniform brightness is promoted. | 10-23-2008 |
20080259642 | LIGHT EMITTING PANEL ASSEMBLIES - A light emitting panel, film or substrate assembly includes an optically conductive panel, film or substrate having at least one light input surface defined by at least one edge of a slot, cavity, opening or hole in which at least one LED light source having a greater width than height is positioned adjacent to the light input surface for directing light into the panel, film or substrate. The LED light source is configured to generate light having an output distribution defined by a greater width component than height component, the height component substantially corresponding to or less than the thickness of the light input surface. | 10-23-2008 |
20080273350 | METHOD AND APPARATUS FOR BACKLIGHTING A DEVICE - A light guide panel is disclosed. The panel comprises a plate for dispersing light and at least one light-emitting diode (LED) coupled to the plate for providing the dispersed light. When the panel is coupled to a keyboard, the at least one LED is under a portion of the keyboard such that when the at least one LED is illuminated, the light from the LED does not distract a user. Accordingly, by strategically placing LEDs within the panel and providing the LEDs under appropriate portions of the keyboard, the device utilizing the keyboard can be smaller than when a conventional light guide panel is utilized. In addition, a further improvement in illumination is provided when a mechanism is provided which reflects light escaping from the edges of the panel back into the panel. | 11-06-2008 |
20080278965 | Light emitting diode with light emitting chips at inner side surfaces thereof and backlight module using same - An exemplary light emitting diode includes a main body, a red light emitting chip, a green light emitting chip, and a blue light emitting chip. The main body includes two inner side surfaces opposite to each other and a inner bottom surface connected with the side surfaces. The side surfaces and the bottom surface cooperatively define an accommodating space. The red light emitting chip, the green light emitting chip and the blue light emitting chip are positioned at the bottom surface and the side surfaces of the accommodating space, respectively. | 11-13-2008 |
20080285305 | LIGHT-GUIDE PLATE, AREA LIGHT SOURCE APPARATUS AND IMAGE READING APPARATUS - An LED module is mounted on a case frame by fitting three pins formed at a concave portion of the case frame, into holes in the LED module corresponding to the pins. A light-guide plate is fitted into the case frame formed integrally with a bottom cover in a descending direction. The light-guide plate is fixed by a hook provided for the case frame. A space between the light-guide plate and the LED module is prevented by pressing the light-guide plate to the LED module with a pressing spring. Since the light-guide plate is fitted into the case frame in the descending direction and a light scattering sheet is adhered to an outer end surface of the case frame in the descending direction, it is not necessary to reverse the worked product and so the number and time of working processes can be saved. | 11-20-2008 |
20080298085 | Backlight module with uniform brightness - A backlight module with uniform brightness has a light guide panel (LGP), a diffusing reflector, at least one light source and a diffuser and a prism film. The diffusing reflector is placed on the LGP and has a substrate, a reflective film and multiple diffusing elements. The reflective film is formed on the substrate. Each one of the multiple diffusing elements has an adhesive bed and multiple balls. The multiple balls can be easily pasted or printed separately on the reflective film by using the adhesive bed and provide a uniform diffused light output form the LGP, so the backlight module has a lowered cost and is easily manufactured. | 12-04-2008 |
20080304284 | LIGHTING DEVICE - A lighting device may include light sources at one or two distal ends; wherein LEDs may be used as a light source. The lighting device may comprise a housing, at least one light-entering plane, at least one light-emitting plane and at least one guiding surface attached to the housing. A plurality of guiding blocks are configured and disposed on the guiding surface, and at least one distal end of the guiding surface is adjacent to the light source such that as light travels into and within the housing, light may be reflected and/or deflected by the guiding blocks and exits the housing via the light emitting plane. The illumination area opposite the light emitting plane may therefore receive substantially uniform lighting from the lighting device. The device may further comprise a reflector covering a portion of the guiding surface and a diffuser covering a portion of the light emitting plane. | 12-11-2008 |
20080304285 | PLANAR LIGHTING DEVICE - A thinner and larger planar lighting device is achieved without increasing the number of light sources and holding the power consumption to a minimum. The LED chips on the light sources are arrayed at an array density varying according to the position of each of the light entrance planes of the light guide plate such that the illuminance distribution as measured on along the middle of the light guide plate in a direction parallel to longitudinal direction of the light entrance planes represents a high-in-the-middle, bell-curve distribution. | 12-11-2008 |
20080304286 | PLANAR LIGHTING DEVICE - The absolute value of the light amount is increased by providing main light sources and auxiliary light sources on four sides of a light guide plate having a flat and rectangular light exit plane whereas the amounts of light emitted by LED chips of the main light sources and the auxiliary light sources are adjusted such that illuminance is highest near the central area of the light guide plate to obtain a high-in-the-middle, bell-curve illuminance distribution for light emitted by the light guide plate. A planar lighting device achieving a reduced thickness and weight and capable of emitting an increased amount of illumination light is provided. | 12-11-2008 |
20080316767 | Liquid Crystal Display Using Different Light Radiation Angles Of Light Emitting Diodes - A liquid crystal display with low manufacturing cost, small dark area and compact exterior is provided by utilizing a plurality of differently radiating light emitting diodes at different angles. The liquid crystal of present invention includes a thin film transistor panel for displaying image, a backlight assembly for providing light to the thin film transistor panel with a plurality of light emitting diodes with different light radiation angles and a light guiding plate, and a frame unit for encompassing the thin film transistor panel and the backlight assembly. The light emitting diodes are placed either at the mid-point of light incident surface or the corner portion of the light guiding plate. | 12-25-2008 |
20090016076 | DISPLAY APPARATUS - The invention relates to a display apparatus with a display unit, having means for background lighting at the back of the display apparatus. According to the invention, the means for background lighting comprise two illumination units being provided at the right-hand and left-hand of the display apparatus, said illumination units being formed as substantially vertically positioned, longitudinal light guides comprising means for coupling out light, each of the light guides being provided on at least one of its ends with a light source. The light sources preferably comprise coloured LEDs. | 01-15-2009 |
20090016077 | Light Guiding Member and Linear Light Source Apparatus Using Same - A light guide member of the present invention is made of a light transmitting material. The light guide includes a light emitting surface | 01-15-2009 |
20090021960 | Luminescent decorating panel assembly and electronic device using the same - A luminescent decorating panel assembly and an electronic device using the luminescent decorating panel are disclosed. The luminescent decorating panel assembly includes a light guide plate, a light source and a reflecting element, and a microstructure is formed on a light exit plane of the light guide plate and applied in the electronic device, and the luminescent decorating panel assembly is disposed between an upper casing and a lower casing of the electronic device, and the microstructure corresponds to a transparent portion of the upper casing, such that when a user views the microstructure on the light guide plate through the transparent portion, a luminescent effect is produced on the electronic device. | 01-22-2009 |
20090034290 | Backlight Module - A backlight module includes a light guide plate, at least one first lighting element, and at least one second lighting element. The light guide plate has a first side surface and a second side surface opposite the first side surface. The first lighting element is disposed on the first side surface and has at least three light emitting diodes of different colors. The second lighting element is disposed on the second side surface and has at least three light emitting diodes of different colors. The arrangement of the light emitting diodes of the first lighting element is different from the arrangement of the light emitting diodes of the second lighting element. | 02-05-2009 |
20090046479 | Thin Backlight Using Low Profile Side Emitting LED - Low profile, side-emitting LEDs are described. The LEDs are used in very thin backlights for backlighting an LCD. In one embodiment, the backlight comprises a solid transparent waveguide with at least one opening in the waveguide containing an LED proximate to one edge. To smooth out a clover-shaped or batwing brightness profile inherently generated by a rectangular side-emitting LED within a smooth-sided rectangular opening in the waveguide, depending on the orientation of the LED, the sidewalls of the opening are made to have varying angles along the length of each sidewall to vary the refraction angle of light along the sidewall. Additionally, if a plurality of LEDs are used in the backlight, the orientations of the openings alternate to create a more uniform brightness profile in the waveguide. | 02-19-2009 |
20090052205 | LIGHT SOURCE MODULE OF SCANNING DEVICE - A light source module of scanning device includes a light guide rod and a light emitting diode. The light guide rod has a top surface, a bottom surface and two end portions. The top surface and the bottom surface are disposed opposite to each other. The light emitting diode is disposed adjacent to one of the end portions. | 02-26-2009 |
20090052206 | Display Device - A wall-mounted display device, which uses a light guiding panel for an LED light source includes display body | 02-26-2009 |
20090080216 | LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE, AND LIQUID CRYSTAL DISPLAY DEVICE - A light guide plate has a light exit plane and a light entrance plane arranged on the periphery of the light exit plane. Light incident on the light entrance plane is outputted from the light exit plane. The light entrance plane includes a plurality of first end surfaces and a plurality of second end surfaces protruding in an external direction beyond the first end surfaces in plan view. The first end surfaces and the second end surfaces are alternately arranged along the periphery of the light exit plane. | 03-26-2009 |
20090080217 | Encapsulant shapes for light emitting devices lacking rotational symmetry designed to enhance extraction of light with a particular linear polarization - The light-emitting device includes a light source and a transparent encapsulating material that is shaped to modify the polarization anisotropy of light emitted by the light source in at least one direction. | 03-26-2009 |
20090086504 | Backlit erasable writing board - A backlit erasable writing board includes a light guide panel, a plurality of light emitting diodes positioned on at least one side surface of the light guide panel for providing light to the light guide panel, a reflecting plate at a back surface of the light guide panel for reflecting light toward a front surface of the light guide panel, and an impervious translucent film at the front surface of the light guide panel for use as an erasable writing surface. | 04-02-2009 |
20090086505 | PLANAR LIGHTING DEVICE - The planar lighting device includes, in addition to light sources, a light exit plane, a pair of light entrance planes formed on a pair of sides of the light exit plane, and a rear plane composed of a pair of inclined planes formed on a side opposite from the light exit plane such that the light guide plate grows thicker with an increasing distance from the light entrance planes toward the center. The light guide plate contains light scattering particles satisfying Npi>Np, where Npi is the particle density in a region of space within a given range of the light guide plate and Np the density in the other region of space. The planar lighting device with minimized brightness unevenness liable to develop near the light entrance planes when the light exit plane has great dimensions. | 04-02-2009 |
20090091946 | Light-guiding structure - A light-guiding structure includes a light-guiding plate, and an LED set matched with the light-guiding plate. The characteristic is that the light-guiding plate has a light-entering surface, and there are a plurality of ditches on the light-entering surface. A light-entering interface is formed between two adjacent ditches. The LED set corresponds to the light-entering surface of the light-guiding plate, and each of the LEDs of the LED set corresponds to one light-entering interface. By utilizing the light-entering interface and the ditches, the light is uniformly spread. The light is uniformly spread at the light-entering surface of the light-guiding plate so that the bright point does not occur. The light is uniformly emitted from the light-emitting surface and the illumination is enhanced. | 04-09-2009 |
20090091947 | Surface light source structure of backlight module in a flat panel display - A surface light source structure having a circuit board, a first light emitting diode (LED) array, and a second LED array is provided. The first and second LED arrays are assembled on the circuit board. Each LED rows of the two LED arrays has a plurality of LED units connected in series. The LED rows of the first LED array are connected in parallel. The LED rows of the second LED array are connected in parallel. The LED rows of the second LED array are intersected between the LED rows of the first LED array. Positive-to-negative directions of the LED units of the first and second LED array are arranged in opposite directions. | 04-09-2009 |
20090097271 | LED BACKLIGHT FOR DISPLAY SYSTEMS - An LED backlight method and apparatus for display systems provides a plurality of light emitting diodes having different white point colors. At least two of the light emitting diodes having different white point colors are selected to produce a light of a predetermined white point color when the light outputs of the selected light emitting diodes are mixed. The selected light emitting diodes are mounted on a display panel in a predetermined order at spatially distributed positions for mixing their light outputs to produce the light of the predetermined white point color to illuminate the display panel with the light of the predetermined white point color. | 04-16-2009 |
20090097272 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE SAME - A backlight unit capable of reducing or effectively preventing a hot spot phenomenon includes a plurality of light sources generating lights, a light guide plate including a portion on which the lights generated from the light sources are incident and converting the lights incident on the portion into a surface-shaped lights and a light path converter converting a traveling direction of the lights incident on the portion of the light guide plate in an area where the lights emitted from the light sources diodes overlap each other. | 04-16-2009 |
20090116262 | LIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - Provided are a light unit and a display device having the same. The light unit comprises a light guide member, a board, and a light-emitting module. The light guide member outputs surface tight upward. The light-emitting module comprises the board where a light-emitting devices disposed and a metal plate on a rear surface of the board. | 05-07-2009 |
20090147534 | BACKLIGHT DEVICE AND DISPLAY DEVICE USING THE SAME - In a backlight device, among a plurality of light emitting diodes, light amounts thereof are measured in advance, and they are classified as any one of two or more light amount ranks according to the measurement results. In each of an upper region and a lower region of the light emitting diodes that are set on an upper side and lower side of a light guide plate, respectively, the light emitting diodes that are classified as having the same light amount rank are disposed. | 06-11-2009 |
20090154194 | LIGHT EMITTING DIODES, DISPLAY SYSTEMS, AND METHODS OF MANUFACTURING LIGHT EMITTING DIODES - Light emitting diodes, display systems, and manufacturing methods are provided. In an embodiment, by way of example only, a light emitting diode (“LED”) include a die and a lens. The die is configured to emit wavelengths of light within a first predetermined spectral range. The lens is disposed on at least a portion of the die and is configured to filter the light emitted from the die such that a second predetermined spectral range is emitted from the LED. | 06-18-2009 |
20090154195 | WHITE LIGHT-EMITTING DEVICE, METHOD FOR MANUFACTURING SAME, BACKLIGHT USING SAME, AND LIQUID CRYSTAL DISPLAY - A white light-emitting device | 06-18-2009 |
20090168454 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a light source, a light-guide plate and an integrally formed frame. The light-guide plate guides light generated from the light source. The integrally formed frame includes a chassis and a mold frame integrally combined with the chassis as an indivisible unitary element through insert/outsert injection. The integrally formed frame receives the light source and the light-guide plate. A hemming part is formed on a sidewall of the chassis to increase strength of the integrally formed frame. Therefore, the number of elements is decreased, and strength against bending stress, impact resistance and heat dissipation are improved. | 07-02-2009 |
20090185393 | LIGHT SOURCE MODULE, METHOD OF FABRICATING THE SAME, AND DISPLAY DEVICE HAVING THE LIGHT SOURCE MODULE - A light source module includes a mounting substrate including at least two exposed metal lines, a light-emitting diode (LED) including two electrodes disposed corresponding to the at least two exposed metal lines, and an anisotropic conductive film (ACF) provided on the mounting substrate, the ACF electrically connecting the at least two exposed metal lines to the two electrodes, wherein the ACF comprises an insulation body, and a plurality of conductive particles dispersed in the insulation body and insulated from each other, and an insulation of the conductive particles disposed between the two exposed metal lines and the two electrodes of the LED is prevented in at least a first direction. | 07-23-2009 |
20090231880 | BACKLIGHT UNIT WITH HEALTH-CARE FUNCTION - A backlight unit with a health-care function is disclosed. The backlight unit includes: a light source including a plurality of light-emitting diodes (LEDs), at least some of the plurality of LEDs radiating light having a wavelength beneficial to the human body; and an optical output unit outputting the light radiated from the light source to a liquid crystal panel. By using a monitor or mobile phone adopting the backlight unit, immunity is improved. | 09-17-2009 |
20090231881 | Light-Emitting-Diode Backlight Device - A light-emitting-diode backlight device includes a light source substrate to which many light-emitting diodes are mounted, and a bottom chassis having the light source substrate mounted to a principal surface side of the bottom chassis. Illumination light from the light-emitting diodes is supplied to a display panel unit. A back-surface side of the bottom chassis is provided with a heat-dissipating unit making uniform a temperature distribution over the entire bottom chassis. The heat-dissipating unit includes a mounting plate, a heat pipe, and a radiating fin. The mounting plate is mounted to at least a high-temperature area of the bottom chassis. The heat pipe is disposed on both the high-temperature area and a low-temperature area, and is mounted to the mounting plate. The radiating fin is mounted to the low-temperature area, and connected to an end of the heat pipe. | 09-17-2009 |
20090262552 | ILLUMINATION DEVICE HAVING LIGHT GUIDE BODY - The illumination device is provided with a plurality of light guide bodies, the bottom face of which is given light reflection/scattering treatment, light sources individually connected to the end portions of a plurality of the light guide bodies to radiate the bottom faces of a plurality of the light guide bodies, and a control unit for changing the intensity of light made incident from the light sources to a plurality of the light guide bodies. A plurality of the light guide bodies are laminated so as to be at least partially overlapped at the respective light emitting regions of the light guide bodies, and the control unit allows the intensity of light made incident from the light sources to the light guide bodies to change with the lapse of time. | 10-22-2009 |
20090273948 | BACKLIGHT ASYMMETRIC LIGHT INPUT WEDGE - A backlight is disclosed and includes a visible light transmissive body primarily propagating light by TIR with a light input surface and a light output surface and a light guide portion and a light input portion. The light guide portion has a light reflection surface and a light emission surface. The light input portion has opposing side surfaces that are not parallel. One of the opposing surfaces is co-planar with either the light emission surface or the light reflection surface. A light source is disposed adjacent to the light input surface. The light source emits light into the light input portion. A reflective layer is disposed adjacent to or on the opposing side surfaces. | 11-05-2009 |
20090290375 | LOW POWER LED LIGHT ENGINE FOR LIGHT GUIDE - A light engine assembly that includes a LED having a standard preselected output. The light engine assembly accepts a light guide into the assembly. The assembly includes a two-sided PCB, one side of which is a heat sink to reduce heat build-up on the board and the other side of which is a circuit that provides power to a LED positioned on the board. The circuit includes a connector for connection to a power supply and circuitry that regulates the current supplied to the LED, which is housed on the PCB. The assembly further includes a housing for the PCB that carries the PCB while protecting it from damage. The housing permits ventilation for cooling the board. The housing also includes a light guide holder barrel, which has a substantially square cross-section and is open at one end. The light guide holder barrel accepts a light guide having a substantially circular cross-section, the light guide contacting the light guide holder barrel in four positions, the light guide transmitting light from the LED when the LED is energized. The light guide can be rotated in any position and inserted into the light guide holder barrel to allow light to be transmitted in any preselected direction by the user. | 11-26-2009 |
20090290376 | DUAL LAYER LIGHT GUIDE STRUCTURE FOR LED BASED AMBILIGHT - A device for guiding and mixing light comprising of a light guide, at least a first set of light emitting elements in a first layer and at least a second set of light emitting elements in a second layer. Each of the light emitting elements being arranged to emit light of at least a first predetermined frequency. The second layer extending in a second geometrical plane different from a first geometrical plane of the first layer for producing a uniform light output from the aggregate of the constituting frequencies. | 11-26-2009 |
20090303744 | PLANAR ILLUMINATION DEVICE - It is an object to provide a planar illumination device that is thin and light weight, and can emit uniform illumination light with little brightness unevenness and can be enlarged in size. It is to provide a planar illumination device comprising: a first light source and a second light source which are arranged at predetermined intervals; and a light guide plate which is arranged between the first light source and the second light source and has: a light exit surface; a first light incident surface which is opposed to the first light source and includes a side of the light exit surface; a second light incident surface which is opposed to the second light source and includes an opposite side to the side; and a rear surface which is formed to be opposed to the light exit surface, wherein a cross section on a plane perpendicular to the side, of the rear surface of the light guide plate has a curved line in which a distance from the light exit surface increases with a shift from the first light incident surface and the second light incident surface to a center, an inclined angle relative to the light exit surface reduces with a shift from the first light incident surface or the second light incident surface to the center, and the inclined angle relative to the light exit surface is zero degrees at the center. | 12-10-2009 |
20090316432 | BACKLIGHT DEVICE AND DISPLAY DEVICE USING THE SAME - A backlight device ( | 12-24-2009 |
20100002464 | LIGHT EMITTING DIODE LAMP - An exemplary light emitting diode (LED) lamp includes a substrate, a plurality of LED chips mounted on the substrate, a lens, and a plurality of reflecting layers. The lens, above the LED chips, has a plurality of first protruding strips and a second protruding strip on a top thereof. Each of the first protruding strips includes a side surface angled with respect to the substrate and a vertical side surface perpendicular to the substrate. The second protruding strip includes two side surfaces, each angled with respect to the substrate. The reflecting layers are formed on the angled side surfaces of the first protruding strips and the second protruding strip, respectively. | 01-07-2010 |
20100002465 | LIGHT EMITTING DIODE DEVICE AND BACKLIGHT MODULE USING THE SAME - A light emitting diode (LED) device comprises a substrate, an LED chip and an encapsulation body. The LED chip is mounted on the substrate, and the encapsulation body is overlaid on the LED chip and the substrate. The encapsulation body includes a light output surface. The light output surface can uniformly diffuse emission light over a wide angle in a first direction and concentrate the emission light in a second direction perpendicular to the first direction. | 01-07-2010 |
20100008102 | BACK LIGHT MODULE - A back light module including a light-guiding plate and a point light source is provided. The light-guiding plate has a first light emitting surface and a light receiving surface adjacent to the first light emitting surface. The point light source has a package housing, and the package housing is tightly bonded with the light receiving surface of the light-guiding plate to form a welding interface. The above back light module achieves a desirable light-output efficiency. | 01-14-2010 |
20100020568 | PLANAR LIGHTING DEVICE - It is an object to provide a planar lighting device that is a thin and light in weight, that emits light without luminous unevenness and that is capable of achieving increased dimensions. | 01-28-2010 |
20100027290 | BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs | 02-04-2010 |
20100073960 | Color pattern forming device - A color pattern forming device includes an image displaying module, a base and a set of light-emitting diode (LED) banks. The image displaying module includes three curved light guide plates, each engraved with a pattern block. The set of LED banks includes three LED banks, which project light into corresponding ones of the curved light guide plates. Light from the LED banks is mixed in the curved light guide plates and illuminates each of the pattern blocks, thereby turning the pattern blocks into a color image for display. | 03-25-2010 |
20100085772 | SIDE-VIEW TYPE LIGHT EMITTING DEVICE AND OPTICAL DEVICE INCLUDING THE SAME - A side-view type light emitting device includes a package body, first and second lead frames, a light emitting diode chip, a resin covering portion, and at least one spacer portion. The package body has a first surface provided as a mounting surface, a second surface located opposite to the first surface, side surfaces located between the first surface and the second surface, and a concave portion formed at one of the side surfaces corresponding to the light emitting surface. The first and second lead frames are formed at the package body to be exposed to the bottom of the concave portion. The light emitting diode chip is mounted on the bottom of the concave portion to be electrically connected to each of the first and second lead frames. The resin covering portion is formed in the concave portion to enclose the light emitting diode chip. The spacer portion is formed at the side surface around the concave portion to maintain a constant distance from a light irradiation target without reducing the view angle of light emitted from the light emitting diode chip in the major-axis direction of the concave portion. | 04-08-2010 |
20100103699 | METHOD FOR MANUFACTURING LIGHT GUIDE PANEL, LIGHT GUIDE PANEL AND LIGHT SOURCE UNIT - The invention provides a light guide panel that improves luminance and reduces uneven luminance and color aberration. The light guide panel of the invention may be formed by irradiating laser light from a laser light source to the surface of an acrylic resin plate made of polymethylmethacrylate whose weight-average molecular weight is 10,000 to 100,000 or of a copolymer of 90 to 99.9% by weight of methyl methacrylate and 0.1 to 10% by weight of acrylic ester and whose weight-average molecular weight is 1,000 to 100,000 to form a light scattering pattern including a large number of concave portions each of which also includes a large number of micro-concavities and convexities therein. | 04-29-2010 |
20100142221 | Backlight Module and Light Emitting Diode Thereof - A light emitting diode contains a light emitting diode chip and a light directing structure disposed thereon. The light directing structure has a pair of connected hemi-ellipsoids and an interface interposed therebetween. Each hemi-ellipsoid comprises a bottom surface in a shape of an incomplete ellipse and an ellipsoidal surface connected to the bottom surface and the interface, wherein the largest vertical distance from the ellipsoidal surface to the bottom surface is longer than a height of the interface. The bottom surface has a major axis and a minor axis intersected to define a center, wherein the interface is connected to the minor axis. | 06-10-2010 |
20100149834 | LIGHT-EMITTING MODULE AND DISPLAY APPARATUS HAVING THE SAME - A light-emitting module includes a power transmitting substrate disposed adjacent to a light guide plate (LGP). The power transmitting substrate includes first and second substrate portions positioned substantially perpendicular to each other. The first substrate portion faces a light incident surface of the LGP. The second substrate portion extends from the first substrate portion and is substantially parallel with a counter surface of the LGP. First and second light sources respectively emit light from a top and a side thereof, and are respectively mounted on the first and second substrate portions. The first and second light sources respectively emit light to the light incident surface. A receiving container supports the light-emitting module and contains the LGP. | 06-17-2010 |
20100149835 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a light guide plate guiding light, one or more light sources disposed on a side of the light guide plate and generating and providing the light to the light guide plate, a housing including a bottom portion and sidewall portions which each extend from the bottom portion, and accommodating the light guide plate and the light sources, and a light source cover. The light source cover includes a flat portion which contacts a top surface of the light guide plate, a height-adjusting portion which extends upward or downward from the flat portion to form a stepped shape and has the light sources installed thereunder, and fixing portions which extend from the height-adjusting portion and are fixed to a corresponding one of the sidewall portions. A centerline of the light sources is aligned with a centerline of the light guide plate. | 06-17-2010 |
20100165661 | Lighting device - A lighting device includes: a light guide plate having a light incident part in an end face and a light radiation part in a flat plate surface; a light source part opposed to the light incident part; a light shield member with which an area near the light incident part on the flat plate surface of the light guide plate is covered; and a switch part including a switch main body, a switch knob and a pressing member connected to the switch knob to press the switch main body by pressing down the switch knob. An end part of the switch knob opposed to a center of the flat plate surface of the light guide plate is located on the light shield member, and the end face of the light guide plate is located between a first virtual line passing the end part of the switch knob and perpendicular to the flat plate surface of the light guide plate and a second virtual line passing the center of the switch main body and perpendicular to the flat plate surface of the light guide plate. | 07-01-2010 |
20100165662 | BACKLIGHT UNIT - A backlight unit that while attaining cost reduction, realizes inhibiting of a light quantity decrease in the vicinity of an end portion of light guide plate and achieving of an enhancement of light utilization efficiency. Backlight unit ( | 07-01-2010 |
20100172153 | ILLUMINATION SYSTEM FOR LUMINAIRES AND DISPLAY DEVICES - The invention relates to an illumination system ( | 07-08-2010 |
20100195350 | Modular LED light device - A modular lighting device may include A frame housing, a light emitting panel cooperating with the frame housing to emit light, an edge lighting device to be positioned along an edge of the light emitting panel to provide light to the light emitting panel, a film member including indicia to be displayed, and a modular member to cooperate with the frame housing and the film member. The modular member may be detachably connected to the frame housing. The edge lighting device may include an LED, and the edge lighting device may include an array of LEDs. The light emitting panel may include a depression to transmit the emitted light, and the module member may include a fastener to fasten to the frame housing. The fastener may be L-shaped, and the module member may include a top extending portion and a bottom extending portion to cooperate with the top extending portion to form a substantially continuous surface. | 08-05-2010 |
20100208494 | Light Guiding Device and Thin Display Comprising the Same - A light guiding device and a thin display comprising the same are disclosed. The thin display comprises a light guiding device, a panel, and a frame. The frame comprises two arc-shaped frames opposite each other and two side frames opposite each other. The light guiding device comprises a light guiding plate and a light source device. The light guiding plate comprises an upper curve surface, a lower curve surface, a first arc-shaped plane, and a second arc-shaped plane. Two edges of each of the upper and the lower curve surfaces are connected with the first arc-shaped plane and the second arc-shaped plane respectively. The light source device is disposed between one of the first and the second arc-shaped planes and one of two arc-shaped frames. The panel is disposed in the frame and above the light guiding device. | 08-19-2010 |
20100208495 | LIGHT SOURCE AND DISPLAY DEVICE HAVING THE SAME - A display device including a light unit is provided. The light unit may include a light guide plate, a light emitting module, and a color coordinate conversion sheet. The light emitting module may include a plurality of light emitting diodes configured to emit light to a side of the light guide plate. The color coordinate conversion sheet may be positioned on the light guide plate to convert a color coordinate distribution of the light emitted by the light emitting module to a color coordinate distribution that falls within a target distribution range. | 08-19-2010 |
20100214803 | Led light source and image reading apparatus - The present invention provides an LED light source optimal as a light source of image reading apparatuses, and the light source is used in an image reading apparatus comprised of a platen for mounting a read original, a light source for lighting the read original mounted on the platen, a lens means for condensing reflected light from a main scanning line of the read original lighted by the LED light source, and a light-receiving means for receiving the reflected light from the main scanning line of the read original condensed by the lens means, and has an LED that is a light-emitting source, and a light guide for reflecting the light of the LED by an inner surface thereof to diffuse in the shape of the main scanning line, where the LED is disposed in an end portion in the main scanning line direction of the light guide, the light guide has an inner surface opposed to a light-emitting surface of the LED forming a curved reflecting surface for reflecting in the main scanning line direction, the LED is disposed out of a critical angle region at the end in the main scanning line direction of the curved reflecting surface, the light guide has a plurality of reflecting surface bodies spaced at predetermined pitches in the main scanning line direction with the bodies surface-opposed to the LED side inside an inner surface reflection optical path of the light guide to reflect the light of the LED toward the outside of the light guide along the main scanning line, and a length in the perpendicular direction to the main scanning line direction of each of the reflecting surface bodies is adjusted corresponding to a light amount to reflect. | 08-26-2010 |
20100214804 | BIFACIAL LIGHT EMITTING BACKLIGHT - A light guide plate has a main-side microprism array sheet (main-side MPA sheet) | 08-26-2010 |
20100226146 | BACKLIGHT MODULE - A backlight module including a housing, a first reflector plate, a light guide plate, a second reflector plate and at least one light bar is provided. The first reflector plate is disposed on a bottom of the housing, and the light guide plate is disposed within the housing. The light guide plate includes a first optical surface, a second optical surface and a light emitting surface, and the first optical surface is adjacent to the first reflector plate. The second reflector plate is adjacent to the second optical surface of the light guide plate. The light bar is disposed between the first reflector plate and the light guide plate, and the light bar is opposite to the second optical surface. | 09-09-2010 |
20100238687 | SEMICONDUCTOR LIGHT EMITTING DEVICE - A semiconductor light emitting device of what is called a side view type can achieve directional characteristics having substantial symmetry with respect to an optical axis. The semiconductor light emitting device can emit light in a direction substantially parallel to a surface on which the semiconductor light emitting device is to be held. The semiconductor light emitting device can include a semiconductor light emitting element emitting light in a light emitting direction parallel to the surface on which the semiconductor light emitting element is to be held, a base substrate having a main surface on which the semiconductor light emitting device is held, the main surface being parallel to the surface on which the semiconductor light emitting device is to be held. The base substrate can have a cutoff portion defined forward of the semiconductor light emitting element in the light emitting direction and in a position in which light emitted from the semiconductor light emitting element crosses the main surface. A light-transmitting first sealing resin can be provided on the base substrate, to bury the semiconductor light emitting element while filling the cutoff portion. The light emitted from the semiconductor light emitting element can travel through the cutoff portion. | 09-23-2010 |
20100290251 | Illumination apparatus - An illumination apparatus includes a light guide plate, a first light source module, and a second light source module. The light guide plate has a first incident surface and a second incident surface opposite to the first incident surface. The first and the second light source modules provide light beams into the first and the second incident surfaces, respectively. The first light source module includes at least one first white light emitting diode (LED) and at least one second white LED neighboring with each other. The first and the second white LEDs have different color temperatures. The second light source module includes at least one third white LED and at least one forth white LED neighboring with each other. The third and the forth white LEDs have different color temperatures. The third and the forth white LEDs are located corresponding to the second and the first white LEDs, respectively. | 11-18-2010 |
20100302805 | LED BACK-LIGHT UNIT AND DISPLAY DEVICE - A back-light unit including a plurality of substrates, a plurality of light sources respectively disposed on the plurality of substrates and configured to emit light, and N (N ≧2) light guide plates respectively disposed adjacent to the plurality of light sources, each light guide plate including a light incidence part having a light incidence surface for receiving light emitted in a first direction from a corresponding light source, and a light emission part for emitting the received incident light in a second direction different than the first direction. Further, at least one of the light guide plates includes light-extracting surface patterns disposed on the light emission part, and the light-extracting surface patterns comprise a first region of light-extracting surface patterns having a higher pattern-density than a second region of light-extracting surface patterns next to the first region. | 12-02-2010 |
20100309684 | FLEXIBLE LIGHT-GUIDING MODULE WITH WATERPROOF FUNCTION - A flexible light-guiding module with waterproof function includes a flexible light-guiding film, a light-reflecting element and a light-generating element. The light-reflecting element is disposed on a bottom side of the flexible light-guiding film. The light-generating element is embedded into the flexible light-guiding film, and the light-generating element has a circuit substrate and at least one light-generating chip electrically disposed on the circuit substrate. Hence, the light-generating element is embedded into the flexible light-guiding film, so that the light-generating element is waterproof. In addition, the present invention can be attached to any plane or curved surface by using the flexible light-guiding film, so that the application field of the present invention is very extensive. Moreover, the flexible light-guiding film and the light-reflecting element are integrally formed in order to decrease manufacturing cost of the present invention. | 12-09-2010 |
20100309685 | LIGHT EMITTING PANEL ASSEMBLIES - Optical assembly comprises a light emitting panel member having opposite sides and an input edge for receiving light from light sources optically coupled to a different location along the input edge. On or in at least one of the sides of the panel member is a pattern of individual optical deformities that are varied throughout the pattern and shaped or oriented throughout the pattern to extract light propagating through the panel member in different directions for viewing from different angles through one of the sides of the panel member. | 12-09-2010 |
20100315834 | LIGHT EMITTING DIODE PACKAGE, AND BACKLIGHT UNIT AND DISPLAY DEVICE USING THE SAME - A light emitting diode package may be provided that includes a light emitting diode chip and a heat sink. Heat generated from the light emitting diode chip may be radiated to the outside using the heat sink. | 12-16-2010 |
20100315835 | LEAD FRAME, LIGHT EMITTING DIODE HAVING THE LEAD FRAME, AND BACKLIGHT UNIT HAVING THE LIGHT EMITTING DIODE - An LED includes a light-emitting chip, a metal member, and a housing. The light-emitting chip generates light. The light-emitting chip is arranged on the metal member. The housing is combined with the metal member to fix the metal member. The housing has an opening portion exposing at least a portion of the light-emitting chip and the metal member. The metal member includes a base metal layer, a light-reflecting layer arranged on the base metal layer, and a protection layer arranged on the light-reflecting layer and including a metal. | 12-16-2010 |
20100321954 | LIGHT EMITTING DEVICE AND SURFACE LIGHT SOURCE DEVICE - The light emitting module | 12-23-2010 |
20110007521 | BACKLIGHT MODULE WITH A HEAT CONDUCTIVE BLOCK - A backlight module includes a bezel having at least one edge, a circuit board, one or more light emitting diodes connected to the circuit board for emitting light. Each light emitting diode has a light axis which is neither parallel nor vertical to the edge of the bezel. The backlight module utilizes a heat conductive block disposed between the bezel and the light emitting diode for transferring heat generated by the light emitting diode to the bezel. | 01-13-2011 |
20110013419 | LINEAR LIGHT GUIDING MODULE - A linear light guiding module is provided, which includes a linear light guiding body, a plurality of light emitting bodies, a plurality of heat sinks, and a plurality of fans. With the linear light guiding body, the light emitting bodies, and the heat sinks linearly arranged, or with the fans further integrated, the linear light guiding module of the present invention has a small size and an effective heat-dissipation effect. Since only one linear light guiding module needs to be disposed on one side of a light guide plate, the linear light guiding module can be used in large-sized liquid crystal display panels. Moreover, the number of the linear light guiding modules used is decreased while the requirements for high brightness and brightness uniformity can still be met, so the cost can be reduced. | 01-20-2011 |
20110013420 | LIGHT EMITTING DEVICES AND APPLICATIONS THEREOF - In one aspect, the present invention provides light emitting devices, including light fixtures and luminaires. In some embodiments, a light emitting device comprises at least one light source, a lightguide operable to receive light from the at least one light source at a first location on the lightguide, at least one light extraction region optically coupled to the lightguide and a substantially non-scattering region along a portion of the lightguide. | 01-20-2011 |
20110013421 | BACKLIGHT UNIT - The present invention relates to a backlight unit including a plurality of light guide plates, each discretely arranged with an interval, one or more light sources formed at a lateral surface of the plurality of light guide plates, and a filling material filled among the plurality of light guide plates and having a lower refractive index than that of the light guide plate, whereby each of the plurality of light guide plates can be split-driven to guarantee a uniform luminance at an interval among the plurality of light guide plates. | 01-20-2011 |
20110013422 | LIGHT-EMITTING DEVICE - This application relates to a light-emitting device comprising a light channel having an upper surface, a lower surface opposite to the upper surface, an inner surface intersecting with each of the upper and lower surface by different angles, and an escape surface; and a light-emitting element having a bottom surface substantially parallel to the inner surface and emitting light traveling inside the light channel toward the escape surface. In an embodiment, the escape surface of the light-emitting device is an inclined plane with lens array thereon. | 01-20-2011 |
20110063874 | PROJECTION LENS FOR LIGHTING EQUIPMENT AND LIGHTING EQUIPMENT USING PROJECTION LENS FOR LIGHTING EQUIPMENT - A projection lens for lighting equipment of an aspect of the present invention is characterized by formed in a shape where N of sector-shaped lens parts each of which corresponds to a central angle 2α degrees (α=180/N, N is an integer more than or equal to 3) and is bilaterally symmetric in a rotationally asymmetric elliptical collimator lens are circumferentially disposed. The projection lens for lighting equipment of such aspect is formed in the shape where N of the sector-shaped lens parts each of which corresponds to a central angle 2α degrees (α=180/N, N is an integer more than or equal to 3) and is bilaterally symmetric in the rotationally asymmetric elliptical collimator lens are circumferentially disposed. Accordingly, the projection lens for lighting equipment with a novel design which has a shape of a N-sided polygon (e.g. quadrilateral) in planar view or a shape similar to the N-sided polygon and has common edges (N edges) formed on a surface without impairment in function as a collimator lens can be configured. | 03-17-2011 |
20110069510 | PLANAR LIGHT SOURCE DEVICE - A planar light source device ( | 03-24-2011 |
20110069511 | LED BACKLIGHT FOR DISPLAY SYSTEMS - An LED backlight method for display systems comprising receiving a plurality of light emitting diodes categorized into a plurality of bins, wherein each bin references a separate range of white point colors, and determining an optimal order for mounting the plurality of light emitting diodes at spatially distributed positions, the plurality of light emitting diodes comprising white point colors associated with separate bins, wherein the optimal order of the plurality of light emitting diodes produces a light of a desired white point color when the light outputs of the plurality of light emitting diodes are mixed. | 03-24-2011 |
20110075444 | BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs | 03-31-2011 |
20110090712 | PORTABLE COMPUTER DISPLAY HOUSING - A display housing for a portable computing device that utilizes a plastic cover bonded to an internal metal frame is described. To account for thermal cycling issues and in particular to prevent bond slippage, multiple types of adhesives are employed to join the metal frame and the plastic cover. In particular, a very high bond (VHB) adhesive material is used in certain areas to bond the metal inner frame to the plastic cover and a liquid adhesive is used in other areas. The plastic cover can be translucent to light. A method of coating the plastic cover to block light, such as from a backlight used for the display, is described. | 04-21-2011 |
20110090713 | FLEXIBLE BACKLIGHT MODULE - A flexible backlight module includes a light source module and a flexible light guide panel, wherein the flexible light guide panel has a light incident surface, a light reflecting surface, and a light outgoing surface. The light incident surface of the flexible light guide panel is directly connected and thereby optically coupled to the light source module so that the light emitted by the light source module can be completely coupled to the flexible light guide panel. Consequently, the loss of light is reduced while the luminous efficiency of light is increased. Light entering the flexible light guide panel is reflected by the light reflecting surface to the light outgoing surface and then projected outward. The flexible light guide panel can be curved as needed thanks to its flexibility and thus features a wide application range. | 04-21-2011 |
20110103092 | LIGHT GUIDING PANEL ASSEMBLY FOR DISPLAY, SIGNBOARD, SURFACE ILLUMINATION OR THE LIKE - A light source receiver | 05-05-2011 |
20110103093 | LIGHT SOURCE MODULE - A light source module includes a light bar and a stiffened bar. The light bar includes a flexible circuit strip and a plurality of light sources. The light sources are disposed on the flexible circuit strip along an extension direction of the flexible circuit strip. The stiffened bar overlaps the flexible circuit strip and is disposed on a face of the flexible circuit strip having the light sources. The stiffened bar surrounds at least one side of each light source and exposes the light sources. The rigidity of the stiffened bar is larger than the flexible circuit strip. | 05-05-2011 |
20110110116 | Optical Arrangement and Production Method - An optical arrangement comprises a light guide and a light source for illuminating the light guide. The light guide comprises a transparent substrate layer and a transparent layer. The light guide has a light extraction surface on a surface of the substrate layer. The transparent layer is arranged on the surface of the substrate layer opposite to the light extraction surface, or the transparent layer is arranged on the light extraction surface of the substrate layer. The transparent layer contains means for improving light extraction. Further, a method for production a light guide is provided. | 05-12-2011 |
20110116285 | BACKLIGHT MODULE - A backlight module includes a light guide plate, an optical film set, and at least one light emitting element. The light guide plate has a first light-emitting surface, a bottom surface, and a first light incident surface. The optical film set on the first light-emitting surface includes at least one optical film having a second light incident surface, a second light-emitting surface, and a side surface. The side surface of the optical film and the first light incident surface of the light guide plate are at the same side, and at least one notch is disposed on the side surface. The light emitting element is adjacent to the first light incident surface and capable of emitting a light beam. The light beam is capable of entering the light guide plate through the first light incident surface and being transmitted to the optical film set via the first light-emitting surface. | 05-19-2011 |
20110134660 | Backlight Module Structure - A backlight module structure including a light guide plate and a plurality of light emitting diodes is provided. A plurality of first micro-structures and a plurality of second micro-structures are formed on the light incident surface of the light guide plate, and the first micro-structure and the second micro-structure are respectively disposed on two sides of the light incident surface and distributed along the light incident surface. The first micro-structure has a first receiving surface and the second micro-structure has a second receiving surface. The first and second receiving surfaces are faced oppositely and incline at least one inclined angle, such that the normal lines thereof are deflected to the imaginational center of the light guide plate, respectively. The light emitting diode has an emitting surface disposed correspondingly to the abovementioned the first receiving surface or the second receiving surface, and the lights of light emitting diodes enter into the light guide plate from the first receiving surfaces and the second receiving surfaces. | 06-09-2011 |
20110149600 | LIGHT EMITTING DEVICE AND LIGHT UNIT USING THE SAME - Provided is a light emitting device and light unit using the same. The light emitting device comprises: a body including a horizontal surface; an insulating layer over at least a portion of the horizontal surface; an electrode over at least a portion of the insulating layer; a heat radiation member formed within the body and protruding from the horizontal surface, the heat radiation member comprising two or more surfaces that are inclined with respect to the horizontal surface; and two or more light emitting diodes, wherein each of the two or more light emitting diodes is mounted on a respective one of the two or more inclined surfaces, and wherein each of the two or more light emitting diodes is electrically connected to the electrode. | 06-23-2011 |
20110149601 | LIGHT EMITTING DEVICE AND LIGHT UNIT USING THE SAME - Provided is a light emitting device and light unit using the same. The light emitting device comprises: a body that includes a horizontal surface; an electrode at least partially disposed in the body; two or more mounting parts protruding from the horizontal surface, wherein the two or more mounting parts are separated from each other by a space, and wherein each of the at least two or more mounting parts includes a surface that is inclined relative to the horizontal surface; and two or more light emitting diodes, each mounted on the inclined surface of a corresponding one of the two or more mounting parts and electrically connected to the electrode. | 06-23-2011 |
20110149602 | BACKLIGHT UNIT - Disclosed is a backlight unit. The backlight unit includes:
| 06-23-2011 |
20110149603 | DEVICE FOR COLLIMATING, MAKING UNIFORM AND EXTRACTING LIGHT FOR LIGHTING A DISPLAY DEVICE - Lighting system for a data display device ( | 06-23-2011 |
20110149604 | ENCAPSULANT PROFILE FOR LIGHT EMITTING DIODES - A light emitting packaged diode ids disclosed that includes a light emitting diode mounted in a reflective package in which the surfaces adjacent the diode are near Lambertian reflectors. An encapsulant in the package is bordered by the Lambertian reflectors and a phosphor in the encapsulant converts frequencies emitted by the LED chip and, together with the frequencies emitted by the LED chip, produces white light. A substantially flat meniscus formed by the encapsulant defines the emitting surface of the packaged diode. | 06-23-2011 |
20110157915 | PDT Magnifier Camera Illumination - A device that enlarges text and images to enable a low vision person to see the text and images includes a hollow structure including a top housing and a bottom housing that are connected to one another. A camera aperture is formed in the bottom housing and a transparent light guide lens is disposed in closing relation to the camera aperture so that all light entering the camera aperture must first pass through the light guide lens. A cavity formed in the light guide lens is bounded by walls that are positioned at a critical angle. Light-emitting diodes are positioned at critical locations about the periphery of the light guide lens to illuminate the object being viewed. | 06-30-2011 |
20110164433 | OPTICAL ASSEMBLY, BACKLIGHT UNIT HAVING THE SAME, AND DISPLAY APPARATUS THEREOF - The backlight unit may include a plurality of optical assemblies, which each include a light emitting module having a substrate, a plurality of light emitting devices on a top surface of the substrate, and a connector provided on a bottom surface of the substrate and electrically connected to a power supply unit. The optical assembly may also include a light guide plate including a first part through which the light is received and a second part to output the light, which is laterally received from the first part, through a top surface thereof. A first side cover may be provided over the light emitting module and the first part of the light guide plate. A second side cover may be formed under the light emitting module and the light guide plate, the second side cover having a plurality of connector holes. The connector may be provided in one of the connector holes. | 07-07-2011 |
20110164434 | LIGHT EMITTING ASSEMBLY - A light emitting assembly comprises first and second segmented light guide structures. The first segmented light guide structure comprises first light guide elements physically connected at one end to a first common backbone member. The second segmented light guide structure comprises second light guide elements physically connected at one end to a second common backbone member. The common backbone members define a fixed separation between adjacent ones of the light guide elements. LED light sources are positioned adjacent the common backbone members such that each of the light guide elements receives light from at least one of the LED light sources. The first segmented light guide structure and the second segmented light guide structure are arranged with the first light guide elements interdigitated with the second light guide elements, with sufficient separation between the first light guide elements and between the second light guide elements to provide air gap boundaries between adjacent first and second light guide elements to reduce the amount of light cross talk therebetween and to form a substantially contiguous light emitting surface. | 07-07-2011 |
20110164435 | SIDE VIEW SURFACE MOUNT LED - A light emitting diode is disclosed. The diode includes a package support and a semiconductor chip on the package support, with the chip including an active region that emits light in the visible portion of the spectrum. Metal contacts are in electrical communication with the chip on the package. A substantially transparent encapsulant covers the chip in the package. A phosphor in the encapsulant emits a frequency in the visible spectrum different from the frequency emitted by the chip and in response to the wavelength emitted by the chip. A display element is also disclosed that combines the light emitting diode and a planar display element. The combination includes a substantially planar display element with the light emitting diode positioned on the perimeter of the display element and with the package support directing the output of the diode substantially parallel to the plane of the display element. | 07-07-2011 |
20110170314 | LIGHT EMITTING DIODE DEVICE AND DISPLAY DEVICE - A display device includes a housing, a panel unit disposed in the housing, a light emitting diode module disposed between the housing and the panel unit, and a heat conducting layer. The light emitting diode module includes a circuit board, and a plurality of light emitting diodes disposed on the circuit board. The circuit board includes a board body formed with a plurality of through holes, and a first conducting unit and a second conducting unit disposed on the board body. Each of the light emitting diodes has a bottom portion disposed in a respective one of the through holes, and is coupled between each conducting parts of the first and second conducting units. The heat conducting layer contacts the housing, contacting parts of the first and second conducting units, and the bottom portions of the light emitting diodes. | 07-14-2011 |
20110170315 | EDGE-LIGHTING TYPE BACKLIGHT MODULE - An edge-lighting type backlight module includes a light guide plate, a light source module, a back plate, a thermal conductive element, and a thermal insulating element. The light guide plate has a light-emitting surface, a bottom surface opposite the light-emitting surface, and at least one side surface connected between the light-emitting surface and the bottom surface. The light source module is disposed adjacent to the side surface, and the back plate is disposed adjacent to the bottom surface. The thermal conductive element has a base portion touching the light source module and an extension portion extending to one side of the back plate. The thermal insulating element is connected between the back plate and the thermal conductive element to reduce the heat conduction between the light source module and the back plate. | 07-14-2011 |
20110176330 | BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - The present invention relates to a backlight module and light guide plate thereof. The light guide plate includes a first surface, a second surface and a side surface. The first surface has a plurality of first regions, a second region and a central line. The second region has a plurality of microstructures outside the first regions. The first regions and the second region are solid. The side surface is disposed between the first surface and the second surface. The first regions are adjacent to the side surface and extend toward the central line, and the first regions are intervally spaced. Whereby, the manufacture step of the light guide plate is simplified, and the manufacture cost of the light guide plate is lowered, and the distribution of the microstructures can reduce the hot spots in front a plurality of point light sources efficiently. | 07-21-2011 |
20110176331 | DISPLAY APPARATUS AND ASSEMBLING METHOD THEREOF - A display including a back cover, a front frame, a display panel, a light guide plate, at least one metal bracket and a light emitting element is provided. The front frame is secured to the back cover to form an accommodating space. The display panel and the light guide plate are disposed in the accommodating space. The light guide plate, which has at least one light incident surface and a light exit surface, is configured between the back cover and the display panel. The light exit surface faces toward the display panel. The metal bracket is disposed at side of the accommodating space. The metal bracket has a first part and a second part connected together. The first part is secured to at least the back cover or the front frame. The light emitting element is between the second part and the light incident surface. | 07-21-2011 |
20110182085 | LED MODULE AND BACKLIGHT UNIT HAVING THE SAME - There is provided an LED module, including a bar type circuit substrate formed with at least one groove so as to have a reflecting cup; a plurality of LED chips disposed in the groove of the circuit substrate and linearly arranged in a longitudinal direction of the circuit substrate; and a phosphor film spaced apart from the LED chips and disposed on the circuit substrate to cover the entire groove. | 07-28-2011 |
20110194307 | MULTI-DIRECTIONAL LIGHT INCIDENCE BACK LIGHT PLATE - A multi-directional light incidence back light plate includes a plurality of light bars of high light transmittance arranged to juxtapose each other to form a plate like or a grating like structure. Each light bar has opposite ends to which light sources of light-emitting diode (LED) are mounted so that light emitting from the light sources transmits through the light bar to form a uniform luminous cylinder, which serves as a primary light source for backlighting. A plurality of secondary light sources is arranged at sides of the primary light source to constitute a complete arrangement of a back light plate. The secondary light sources are composed of red light and green light that are combined with the light bar at a predetermined ratio so that various color lights are used to generate excellent color saturation (Ra). | 08-11-2011 |
20110194308 | BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - A light guide plate for distributing light from a light source includes a light scattering surface, a light output surface opposite to the light scattering surface, and a number of side surfaces surrounding the light scattering surface and the light output surface. The light scattering surface includes a number of light scattering dots thereon. The light scattering dots are arranged into a number of rows arranged from a first side of the light scattering surface to an opposite side of the light scattering surface. A distance between every two adjacent rows of the light scattering dots gradually decreases from the first side to the second side, such that the light scattering dots at the second side of the light scattering surface have a greater density than the light scattering dots at the first side of the light scattering surface. | 08-11-2011 |
20110199787 | LED PACKAGE AND A BACKLIGHT UNIT UNIT COMPRISING SAID LED PACKAGE - A light emitting diode (LED) package includes: a main body mounted on a substrate; a light emitting diode that is mounted in the main body and emits light; and a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted. A backlight unit includes: a light guide plate configured to allow a light source to proceed to a liquid crystal panel; a light emitting diode (LED) mounted in a main body mounted on a substrate and generating a light source; and an LED package having a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted, and being mounted on the light guide plate. | 08-18-2011 |
20110199788 | LIGHTING UNIT AND DISPLAY DEVICE HAVING THE SAME - Provided are a lighting unit and a display device including the same. The lighting unit includes a bottom cover having a plurality of sidewalls, light emitting modules each including a board disposed on the bottom cover and a plurality of light emitting diodes mounted on the board, and a light-transmitting resin layer covering the bottom cover and the board. | 08-18-2011 |
20110205760 | Modular solid-state illumination system for vending machines - A modular light emitting diode, edge-lit illuminating arrangement or a modular organic light emitting diode illuminating arrangement providing illumination. More particularly, a modular light emitting diode, edge-lit illuminating arrangement or a modular organic light emitting diode illuminating arrangement providing illumination for vending machines. The illuminating arrangements are adapted for backlighting in vending machines. | 08-25-2011 |
20110211366 | BACKLIGHT MODULE - A backlight module includes a light guide plate having a light incident surface, a light source module, at least one catch member, and a cushion member. The light source module is disposed adjacent to the light incident surface and has at least one light-emitting element, wherein a light beam emitted by the light-emitting element is capable of entering the light guide plate through the light incident surface. The catch member engages with one end of the light source module, wherein the catch member has at least one extension part extending towards the light incident surface of the light guide plate, and the extension part has an end surface facing the light incident surface. The cushion member is disposed between the light guide plate and the light source module and is adjacent to the light incident surface of the light guide plate and the end surface of the catch member. | 09-01-2011 |
20110211367 | REFLECTIVE PLATE, PLANAR LAMP AND PLANAR LAMP FIXTURE INCLUDING THE SAME - A directional prism reflective plate includes a prism surface ( | 09-01-2011 |
20110216556 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes a light guide plate guiding a light, a light source arranged in a side portion of the light guide plate to generate the light, a display panel receiving the light from the light guide plate to display an image, a frame including a sidewall and a support part extended from the sidewall to support the display panel, and an optical member arranged between the light guide plate and the display panel to control a path of the light exiting from the light guide plate. The optical member includes a first side portion and a second side portion, a side surface of the first side portion faces a side surface of the support part, and the second side portion is positioned between the support part and the light guide plate. | 09-08-2011 |
20110249469 | LIGHT SOURCE UNIT AND BACKLIGHT ASSEMBLY HAVING THE SAME - Provided are a light source unit including a plurality of light-emitting diode (LED) packages, which are directly electrically connected to each other, and a backlight assembly having the light source unit. The light source unit includes a first LED package and a second LED package which are adjacent to each other, wherein each of the first LED package and the second LED package includes an LED chip, a lead frame which supplies current to the LED chip, and a housing which fixes the LED chip and the lead frame in place, wherein an end of the lead frame of the first LED package directly contacts an end of the lead frame of the second LED package. | 10-13-2011 |
20110249470 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a back plate, a heat-dissipating element, a light-emitting element, and at least one high-performance heat sink. The heat-dissipating element is disposed adjacent to a light incident surface of the light guide plate, and the heat-dissipating element has a bottom portion and a side portion forming an angle with the bottom portion. The light-emitting element is disposed on one side of the heat-dissipating element facing the light guide plate. The high-performance heat sink is disposed on the back plate, one end of the high-performance heat sink overlaps the heat-dissipating element, and another end of the high-performance heat sink extends away from the light-emitting element. | 10-13-2011 |
20110280045 | Light Emitting Diode Package and Display Apparatus Having the Same - A display apparatus includes a display panel, at least one light emitting diode package, and at least one light guide plate. The light emitting diode package includes a frame extending in a first direction, a plurality of branches branched from the frame in a second direction, and at least two light emitting diode chips inserted between and coupled with two adjacent branches. | 11-17-2011 |
20110292683 | BACKLIGHT UNIT - There is provided a backlight unit. The backlight unit includes a light guiding plate, a light source module including a substrate provided with a circuit wiring and a plurality of light emitting diode (LED) blocks each including one or more LED mounted on the substrate to be positioned vertically with respect to the substrate, the one or more LED being disposed to face a side surface of the light guiding plate, a bottom chassis including a base and a sidewall upwardly extending from a circumference of the base, and accommodating the light source module and the light guiding plate in such a manner that the one or more LED is disposed to be adjacent to the sidewall, and a driving unit controlling a current signal applied to each of the plurality of LED blocks to thereby control brightness for each LED block. | 12-01-2011 |
20110299299 | ANTENNA WITH LIGHTING FUNCTION FOR MOBILE COMMUNICATION SYSTEM - An antenna with a lighting function for a mobile communication system is provided. The antenna includes a radome for passing or spreading light through at least one specific part, and at least one light source for irradiating light to the radome. | 12-08-2011 |
20120014134 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a light guide plate and a light source. The light guide plate has an out light surface. The light source is positioned at a side of the light guide plate, wherein the light source comprises a light source out light surface, and a predetermined angle exists between the light source out light surface and the out light surface of the light guide plate. The present invention is capable of promoting the light leakage issue. | 01-19-2012 |
20120020113 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a light guide plate, a base, a first light emitting diode and a second light emitting diode. The base is disposed at one side of the light guide plate. The first light emitting diode is disposed on a first arrangement surface of the base. The second light emitting diode is disposed on the second arrangement surface of the base. The distance between the first light emitting diode and the bottom surface is longer than the distance between the second light emitting diode and the bottom surface. The present invention can improve color shifting defect and coupling effect of the light emitting diodes. | 01-26-2012 |
20120020114 | BACKLIGHT STRUCTURE - A liquid crystal display apparatus ( | 01-26-2012 |
20120026752 | BACKLIGHT MODULE AND ELECTRONIC DEVICE USING THE SAME - A backlight module includes a support frame, two light sources, and a light guide film. The support frame includes a support portion and a fixing portion connected to an edge of the support portion, and the support frame defines at least one receiving groove. Each light source includes a light output surface and is received in the support frame. The light guide film includes two light input surfaces at the opposite ends thereof and two light guide portions connected with the light input surfaces. The light input surfaces of the light guide film face the light output surfaces of the light sources. | 02-02-2012 |
20120026753 | ILLUMINATION DEVICE AND DISPLAY APPARATUS USING THE SAME - An illumination device for guiding light rays from a light-emitting diode (LED) module toward a light guide plate to thereby perform planar illumination is disclosed. The illumination device includes a printed circuit board with a plurality of LED elements attached thereto. The circuit board has two or more positioning bosses which are attached in the same process as that of the LEDs. While letting the positioning bosses be tightly coupled with corresponding holes provided in the light guide plate, the circuit board and the light guide plate are adhered and fixed together, thereby accurately retaining the positional relationship between the LEDs and the light guide plate. | 02-02-2012 |
20120033446 | BACKLIGHT MODULE - A backlight module comprises a light source circuit board having a plurality of light emitters disposed thereon; a securing component for supporting the light source circuit board rigidly, the securing component comprising a holding portion and an adhesive layer, the adhesive layer being utilized for assembling the light source circuit board and the securing component together to form an assembly; and a casing having a receiving slot, the assembly of the light source circuit board and the securing component being detachably disposed in the receiving slot, the holding portion being utilized for a user to grip when moving the securing component, and the holding portion having a locating hole for being fastened in the casing. The backlight module is capable of reducing the risk of scratching optical films and invasion by foreign objects in a replacement process of the light source circuit board, thereby increasing the lifespan of displays. | 02-09-2012 |
20120033447 | BACKLIGHT UNIT - Provided is a device including a backlight unit including a LED-mounted board having LEDs as a backlight source, a light guide plate to which the LEDs are disposed to face, and which has a light receiving surface to which light from the LEDs incidents and an emission surface from which the incident light is output, and a frame which holds the light guide plate. The frame | 02-09-2012 |
20120044715 | BACKLIGHT MODULE AND DISPLAY DEVICE HAVING THE SAME - A backlight module includes a light guide plate, at least one first light source, and at least one second light source. A first light incident surface and a second light incident surface are alternately arranged on a light incident side of the light guide plate and form an angle with each other. The first light source is disposed adjacent to the first light incident surface, and a light beam emitted by the first light source is guided towards a left half of the light guide plate. The second light source is disposed adjacent to the second light incident surface, and a light beam emitted by the second light source is guided towards a right half of the light guide plate. The first light source and the second light source are alternately turned on and off in succession. | 02-23-2012 |
20120057369 | LIGHT EMITTING STRUCTURE FOR BACKLIGHTED SIGN - There is provided a light emitting assembly for a backlighted sign. The assembly may include first and second light emitting units configured to emit light in corresponding first and second directions into edges of first and second adjacent light guide plates. The assembly may also include a third light emitting unit configured to emit light in a direction substantially transverse to the first and second directions into a backlightable sign panel. Light emitting units are slidably insertable and slidably removable. | 03-08-2012 |
20120069598 | EDGE-TYPE BACKLIGHT MODULE - An edge-type backlight module includes a light guide plate and at least one linear light source. The light guide plate has at least one light-incident sidewall, and the linear light source is substantially parallel to the light-incident sidewall. The linear light source includes a carrier and a plurality of solid-state light-emitting devices. The carrier is equally divided into a first, a second, a third, a fourth, and a fifth device mounting regions sequentially arranged along an extending direction of the carrier. The solid-state light-emitting devices are mounted on the device mounting regions and electrically connected to the carrier. An arrangement pitch of the solid-state light-emitting devices on the fourth device mounting region of the device mounting regions is greater than an arrangement pitch of the solid-state light-emitting devices on the other four device mounting regions. | 03-22-2012 |
20120075887 | LIGHT REDIRECTING FILMS AND FILM SYSTEMS - A light emitting assembly comprises a light source and a light emitting panel member having a panel surface and an input edge for receiving light from the light source. On or in the panel surface is a pattern of individual light extracting deformities. Each of the deformities has a well defined shape and a length and width substantially smaller than the length and width of the panel surface. At least some of the deformities have only two surfaces, each having opposite peripheral edge portions that intersect each other and intersect the panel surface. One of the surfaces of the deformities is substantially perpendicular to the panel surface and is curved in a transverse direction. The other surface of the deformities is a sloping surface. | 03-29-2012 |
20120081922 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a first light module, and a second light module. The light guide plate includes first troughs and second troughs on opposite sides. The first light module includes a first substrate and first LEDs thereon. An opaque element is disposed on each first gap between two adjacent first LEDs, each first LED is embedded in one first trough. The second light module includes a second substrate and second LEDs thereon. An opaque element is disposed on each second gap between two adjacent second LEDs, and each second LED is embedded in one second trough. Each first LED is disposed to one second gap, and each second LED is disposed in one first gap. Light from first LED is absorbed by the opaque element on the second substrate, and that from the second LED is absorbed by the opaque element on the first substrate. | 04-05-2012 |
20120081923 | LIGHT EMITTING DIODE LAMP - A light emitting diode lamp including a back plate, at least one cover, a light guide plate, at least one magnetic element, and a light emitting diode light source is provided. The cover is fixed to the back plate. The light guide plate is disposed on the back plate, and a part of the light guide plate is sandwiched between the back plate and the cover. The magnetic element is disposed on the back plate and sandwiched between the back plate and the cover. The light emitting diode light source is disposed at a side of the light guide plate. | 04-05-2012 |
20120081924 | LIGHT EMITTING PANEL ASSEMBLIES - An optical assembly comprises light sources and a light emitting panel member having an input edge to which each of the light sources is optically coupled at a different location along the input edge. Different sets of individual optical deformities on or in at least one of the sides of the panel member each have at least one surface that is shaped or oriented to extract light propagating in the same direction through the panel member in different directions for viewing from different angles through one of the sides of the panel member. | 04-05-2012 |
20120087149 | ULTRA-THIN LIGHT GUIDE FOR CLUSTER GAUGE ILLUMINATION OVER DISPLAY STRUCTURES - An ultra-thin light guide assembly includes a light guide having a maximum thickness of one millimeter, a light source disposed adjacent a portion of the light guide to emit light rays into the light guide, a reflective material disposed on at least a portion of a first side of the light guide to maximize an internal reflection of the light rays in the light guide, a light extraction feature integrated with the light guide to direct light rays through a second side of the light guide, and a flexible circuit disposed adjacent at least a portion of the light guide, the light source in electrical communication with the flexible circuit to selective energize the light source. | 04-12-2012 |
20120087150 | BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs | 04-12-2012 |
20120092892 | LED LIGHT BOARD - Disclosed is a light emitting diode (LED) light board. The LED light board includes: a light guide panel (LGP) shaped as a rectangle; an LED module disposed at a lateral side of the LGP and including a plurality of LEDs; a first frame having the LED module embedded therein and coupled to one side of an edge of the LGP; a second frame coupled to the other side of the edge of the LGP perpendicular to both ends of the first frame; and a corner finishing end on which the first frame and the second frame are connected to each other and corners of the first frame and the second frame are finished. The first and second frames include a sidewall formed at one edge of the LGP, an upper wing bent on an end of a sidewall, and a lower wing bent on the other end of the sidewall. | 04-19-2012 |
20120099341 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - In a backlight assembly and a display apparatus having the backlight assembly, the backlight assembly includes a back cover configured to accommodate and retain a light source mounted on a circuit substrate into a receiving cavity of the back cover. Heat generated by the light source may be effectively transmitted to the back cover, thereby preventing temperature in the backlight assembly from increasing. | 04-26-2012 |
20120113681 | LIGHTBAR MODULE AND BACKLIGHT DEVICE - The present invention discloses a lightbar module for use in a backlight device. The lightbar module includes a plurality of light source units. The light source unit includes at least one first light-emitting diode (LED) with a first color bin in a first wavelength range and at least one second LED with a second color bin in a second wavelength range. A color bin created by the mixed light of the light emitted by the first LED and the light emitted by the second LED after the mixed light passes through an optical glass element being the same as a color bin of the light emitted by an LED with a middle color bin in the first wavelength range after the light passes through the optical glass element, or being the same as a color bin of the light emitted by an LED with the middle color bin in the second wavelength range after the light passes through the optical glass element. The present invention can effectively increase a utilization rates of LEDs will and the cost will decrease effectively. | 05-10-2012 |
20120127756 | LIGHTING MODULE - A lighting module may be provided that includes a first and a second light sources, both of which are disposed opposite to each other; a first case including the first light source; a second case including the second light source; and an optical plate of which one side is connected to the first case and the other side is connected to the second case and on which light from the first and the second light sources is incident, wherein at least the first and/or the second light sources includes a light emitting diode (LED). | 05-24-2012 |
20120127757 | ACRYLIC FILM FOR PUNCHING, SURFACE LIGHT-SOURCE DEVICE AND PROCESS FOR MANUFACTURING OPTICAL MEMBER - Provided is an acrylic film for punching excellent in transparency and free from breakage or whitening even if it is punched. The present invention is an acrylic film for punching containing a polymer (C) containing a di(meth)acrylate (A) unit represented by general formula (1) below and a mono(meth)acrylate (B) unit: | 05-24-2012 |
20120147625 | LIGHT SOURCE MODULE AND BACKLIGHT MODULE - A light source module and a backlight module therewith are disclosed. The light source include includes a circuit board and a light-emitting diode disposed on the circuit board. The light-emitting diode includes a package unit and a conductive support. The package unit includes an insulation housing, a heat-dissipating support embedded in the insulation housing, and a light-emitting diode chip disposed on the heat-dissipating support and encapsulated by the insulation housing. The light-emitting diode chip includes two electrodes, which are isolated form the heat-dissipating support. The insulation housing thereon defines a light-out surface. The conductive support is disposed on an exterior side surface of the insulation housing and connected to the heat-dissipating support to protrude out the light-out surface. Thereby, the protruding conductive support is also isolated from the two electrodes so as to perform ESD protection for avoiding unexpected damage to the light-emitting diode and extending service life thereof. | 06-14-2012 |
20120147626 | BACKLIGHT MODULE - The backlight module includes a holder having a holder sidewall, a light source disposed on the holder, a light guide plate, and a frame. An end of the light guide plated is fixed on the holder. The frame has a frame sidewall. The holder is assembled on the frame, wherein a gap is formed between the holder sidewall and the frame sidewall, and the gap is utilized as a buffer space of the deformation of the light guide plate. | 06-14-2012 |
20120163025 | LIGHT GUIDE APPARATUS FOR A BACKLIGHT MODULE AND FABRICATING METHOD THEREOF - A light guide apparatus for a backlight module is provided. The light guide apparatus comprises a light guide plate and a light source module. The light guide plate is configured with a circuit contact. The light source module is integrated with the light guide plate in contact with the circuit contact. Besides, a method of fabricating a light guide apparatus for a backlight module is also provided with simpler process and lower fabrication cost. | 06-28-2012 |
20120163026 | LIGHT-EMITTING DIODE PACKAGE, LIGHT SOURCE MODULE HAVING THE SAME AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light-emitting diode (“LED”) package includes a light-emitting chip, a case, first and second lead frames and a dummy lead frame. The light-emitting chip generates light. The case includes a bottom portion and a plurality of sidewalls, wherein the light-emitting chip is positioned in the case. The first and second lead frames are spaced apart from each other and are electrically connected to the light-emitting chip. The dummy lead frame is spaced apart from the light-emitting chip and the first and second lead frames, and is electrically isolated from the light-emitting chip and the first and second lead frames. The dummy lead frame is used as a wiring for connecting the LED package to another LED package, so that the number of signal wirings or a length of a signal wiring may be decreased, and a manufacturing cost of the LED package may be reduced. | 06-28-2012 |
20120163027 | LIGHT-EMITTING DEVICE - It is disclosed a light-emitting device ( | 06-28-2012 |
20120170312 | BACKLIGHT MODULE - A backlight module includes a chassis, a printed circuit board, a light source, and a light guide plate. The chassis includes a bottom plate and a sidewall. The sidewall is disposed on at least one side of the bottom plate. The sidewall has a recess therein. At least one part of the printed circuit board is located in the recess. The light source is electrically connected to the printed circuit board. The light incident side of the light guide plate is opposite to the light emitting side of the light source. | 07-05-2012 |
20120170313 | LIGHT GUIDE APPARATUS FOR A BACKLIGHT MODULE - A light guide apparatus for a backlight module is provided. The light guide apparatus comprises a light guide plate and an electrical component. The light guide plate is configured with a circuit thereon. The electrical component is attached to the light guide plate and electrically coupled to the circuit. The light guide apparatus integrates a light guide panel, a circuit and an electrical component together for obtaining simpler structure and lower cost. | 07-05-2012 |
20120182763 | BACKLIGHT DEVICE, IMAGE DISPLAY DEVICE, AND METHOD OF ASSEMBLING BACKLIGHT DEVICE - A backlight device, where expense reduction is promoted by standardizing lengths of LED boards to one type. The backlight device includes: a light guide plate; and LED boards which are arranged facing end surfaces of side surface portions of the light guide plate and on which LEDs introducing light to the light guide plate are mounted, wherein lengths of long sides of the LED boards arranged on long sides facing end surfaces in a long side direction of the light guide plate and lengths of long sides of the LED boards arranged on short sides facing end surfaces in a short side direction of the light guide plate are all the same. | 07-19-2012 |
20120195069 | CLAMP STRUCTURE FOR FIXING A LIGHT BAR ON A BASE AND BACKLIGHT MODULE HAVING CLAMP STRUCTURE - A clamp structure includes a first board portion, a second board portion connected to a lateral side of the first board portion in an elastically deformable manner, and a third board portion connected to the other lateral side of the first board portion opposite to the second board portion in an elastically deformable manner. The third board portion and the second board portion are disposed on the same side of the first board portion for clamping two surfaces of a base, and the first board portion contacts against a light bar for fixing the light bar on the other surface of the base. | 08-02-2012 |
20120195070 | LED BACKLIGHT FOR DISPLAY SYSTEMS - An LED backlight method for display systems comprising receiving a plurality of light emitting diodes categorized into a plurality of bins, wherein each bin references a separate range of white point colors, and determining an optimal order for mounting the plurality of light emitting diodes at spatially distributed positions, the plurality of light emitting diodes comprising white point colors associated with separate bins, wherein the optimal order of the plurality of light emitting diodes produces a light of a desired white point color when the light outputs of the plurality of light emitting diodes are mixed. | 08-02-2012 |
20120218777 | Light Source Module, LED Receiver and Backlight Device - A light source module is disclosed. The light source module comprises a light emitting diode (LED) and an LED receiver. The LED is provided with a locating element on a side surface thereof. The LED receiver has a receiving portion, and a snap-fitting structure is disposed on a side surface of the receiving portion to mate with the locating element so that the LED can be located in the receiving portion of the LED receiver. An LED receiver and a backlight device are also disclosed. The light source module and the LED receiver of the present invention allow for optimization of the assembling process of the LED. | 08-30-2012 |
20120224393 | LED BACKLIGHT MODULE - Disclosed herein is an LED backlight module, which includes a metallic plate, a metallic sidewall, a connecting portion, a light guide and an LED ribbon. The metallic sidewall is substantially perpendicular to the metallic plate and located beside a side edge of the metallic plate. The metallic side-plate has a lower edge extending downwards to a position beneath a lower surface of the metallic plate. The connecting portion extends in a direction towards the side edge of the metallic plate from the lower edge of the metallic sidewall, and is further connected to the side edge of the metallic plate. The light guide is disposed above the metallic plate, and the LED ribbon for emitting a light into the light guide is disposed on the metallic sidewall. | 09-06-2012 |
20120230056 | LIGHT SOURCE MODULE AND ELECTRONIC DEVICE INCLUDING SAME - A light source module of the present invention includes: a plurality of light guide bodies ( | 09-13-2012 |
20120236597 | LAMP AND FRAME MODULE THEREOF - A frame module includes a frame strip, a light emitting diode (LED) bar, and a fastener. The frame strip has a heat-dissipating portion, two elastic arms extended in one direction from the two edges of the heat-dissipating portion, and two pressing portions inwardly protruded form the two elastic arms. The heat-dissipating portion, the two elastic arms, and the two pressing portions define an accommodating trough. The LED bar has a printed circuit board (PCB) and a plurality of LEDs mounted on the PCB. The PCB is arranged in the accommodating trough of the frame strip and clamped between the heat-dissipating portion and the two pressing portions. The fastener is fixed on the two elastic arms. Thus, the heat generated form the LED bar is conducted by the LED bar directly contacting the frame strip. Besides, the instant disclosure also provides a lamp. | 09-20-2012 |
20120236598 | EDGE-ILLUMINATED FLAT PANEL AND LIGHT MODULE FOR SAME - An apparatus comprising a transparent or translucent panel and a light module comprising a plurality of light emitting diode (LED) devices. The light module is mechanically connected to an edge of the panel with the LED devices oriented to inject light into the edge of the panel. | 09-20-2012 |
20120243258 | LIGHT SOURCE ASSEMBLY AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light source assembly includes a first substrate, a plurality of first light source units mounted on the first substrate and spaced apart from each other by a first distance, a second substrate and a plurality of second light source units mounted on the second substrate and spaced apart from each other by a second distance, each of the second light source units being disposed between the first light source units adjacent to each other. | 09-27-2012 |
20120250353 | MANUFACTURING METHOD FOR LIGHT GUIDE PLATE, LIGHT GUIDE PLATE, BACK LIGHT DEVICE, ILLUMINATION DEVICE, AND PARTITION PLATE DEVICE - It is an object to provide a partition plate device capable of rendering a light guide plate function as a transparent member likewise a window plate and as a light shielding member used as an area light source having a prescribed pattern. The invented partition plate device includes a light guide plate having, on double sides as major surfaces thereof, plural recess pattern scars formed partly melting through vibration of ultrasound under contacting fabrication dots provided in a matrix shape at an ultrasound fabrication horn to major surfaces thereof with pressure; and a light source unit rendering light enter from a side surface of the light guide plate and diffused light occur from the recess pattern scars, wherein the light guide plate functions as a transparent member while no light enters from the light source unit and functions as a light shielding member made of an area light source having a prescribed pattern formed with the recess pattern scars while light enters from the light source unit. | 10-04-2012 |
20120257415 | 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. | 10-11-2012 |
20120275191 | BACKLIGHT MODULE AND LIGHT-BAR FIXING STRUCTURE THEREOF - The present invention provides a backlight module and a light-bar fixing structure thereof. The light-bar fixing structure of the backlight module is mounted on a sidewall of a rack of the backlight module. The light-bar fixing structure has a plurality of clamping arms that are arranged side by side as a row of teeth and is capable of stably clamping and positioning a light bar of the backlight module. Thus, the light bar can be fixed on the rack without fastening through screws or thermally conductive adhesive tapes, so that mounting and dismounting are both convenient and fast. And dismounting process of the light bar does not need to dismount other components of the backlight module, such that other components of the backlight module can be prevented from being polluted during the dismounting process. | 11-01-2012 |
20120294040 | LIGHT-EMITTING DIODE HEAT-DISSIPATION STRUCTURE AND BACKLIGHT MODULE - The present invention provides a light-emitting diode (LED) heat-dissipation structure and a backlight module. A plurality of heat-dissipation lamp holders and at least one circuit board are disposed on an upper surface of a heat-dissipation bottom plate of the LED heat-dissipation structure. A recess is formed on a top surface of each of the heat-dissipation lamp holders, and at least one LED chip is disposed in each recess. Two lead wires are electrically connected between the LED chip and the circuit board. The heat of the LED chips is dissipated outside by the heat-dissipation lamp holders and the heat-dissipation bottom plate with being obstructed by the circuit board, thus improving the heat-dissipation efficiency and life time of the LED heat-dissipation structure. | 11-22-2012 |
20120294041 | BACKLIGHT MODULE WITH THERMAL INSULATION - The present invention discloses a backlight module with thermal insulation. The backlight module mainly includes a frame assembly, a light-emitting source and thermal-insulating material. The frame assembly has a backlight cavity defined inside the frame assembly for placing an optical component. The light-emitting source is mounted at a side of the frame assembly. The thermal-insulating material is mounted on an internal surface of the frame assembly and insulates heat conducted to the internal surface of the frame assembly from entering the backlight cavity. Since the thermal-insulating material insulates the heat of the light-emitting source from entering the backlight cavity via the frame assembly, the present invention effectively lowers the temperature in the backlight cavity and reduces the aging speed of the optical component in the backlight cavity. | 11-22-2012 |
20120294042 | LED MODULE, BACKLIGHT UNIT INCLUDING THE LED MODULE, AND METHOD FOR MANUFACTURING THE LED MODULE - A light emitting diode (LED) module having a structure capable of effectively dissipating heat generated from an LED chip thereof, and a backlight unit including the same are disclosed. The LED module includes a base made of a metal material, an insulating layer provided on the base, a circuit layer provided on the insulating layer, an LED package provided on the circuit layer, and a bonding layer extending through the insulating layer and the circuit layer, to connect the LED package to the base. | 11-22-2012 |
20120307523 | LIGHT SOURCE DEVICE AND DISPLAY DEVICE - Provided is a light source device capable of minimizing or preventing a decrease in amount of light emitted from portions in the vicinity of a locking member of a light guide plate, and capable of making intensity distribution in a plane of light emitted from the light guide plate uniform. The light source device includes a light guide plate | 12-06-2012 |
20130016527 | LIGHT GUIDE FOR BACKLIGHT - The present invention provides a light guide for an electronically addressable display (such as an LCD) that mixes optical signals from a plurality of emitters, and mixes these signals to produce, for positions on the display, position-unique signals. A stylus or other receiving device may determine its position relative to the electronically addressable display by analyzing the position-unique signals. | 01-17-2013 |
20130016528 | ENHANCED COLOR GAMUT LED BACKLIGHTING UNIT - A method for operating a backlighting unit adapted for illuminating a printed graphic with light emitted from an illumination surface of a light guide. The method includes the step of arranging a plurality of LEDs so that light emitted therefrom impinges upon an input surface of the light guide. The method specifically requires that the LEDs emit light that is roughly equivalent to solar illumination of 6500K CCT yet enhanced in the blue and the red portions of the spectrum thereby producing light in the range of 7500K CCT to 9000K CCT. | 01-17-2013 |
20130021821 | LIGHT GUIDE PLATE AND BACKLIGHT ASSEMBLY INCLUDING THE SAME - A backlight assembly includes a first light source unit including n light emitting members; and a light guide plate including a first side adjacent to the first light source unit, and a first groove adjacent to a first end of the first side. | 01-24-2013 |
20130021822 | Optical Waveguide Plate Comprising Phosphorus-Containing Structure Elements - The invention relates to an optical waveguide plate having a first flat side ( | 01-24-2013 |
20130027976 | METHOD AND SYSTEM FOR FLEXIBLE ILLUMINATED DEVICES HAVING EDGE LIGHTING UTILIZING LIGHT ACTIVE SHEET MATERIAL WITH INTEGRATED LIGHT EMITTING DIODE - An edge lighting device, and a method of providing edge lighting, including providing a lighting device with at least one light emitting diode (LED) chip embedded therein, wherein the LED chip(s) generates light photons. A path of the light photons within the lighting device that are emitted by the LED chip(s) from a top surface of the LED chip(s), are redirected from a first edge of the lighting device back through the lighting device to a second edge of the lighting device opposite to the first edge. The first edge and the second edge of the lighting device are perpendicular to the top surface of the LED chip(s). The photons which were redirected from the first edge of the lighting device then follow a path through the second edge of the device and are then output from the edge lighting device at the second edge of the device. | 01-31-2013 |
20130033900 | LIGHTING ASSEMBLY WITH CONFIGURABLE ILLUMINATION PROFILE - A lighting assembly includes an edge-lit light guide and a light redirecting member. Light extracting elements at the light guide extract light from the light guide as intermediate light. Light redirecting elements at the light redirecting film are configured to redirect the intermediate light received from the light guide to illuminate a target surface in accordance with a defined illumination profile. | 02-07-2013 |
20130039092 | DISPLAY APPARATUS AND LIGHT SOURCE PACKAGES EMPLOYED THEREIN - Display apparatuses are provided. The display apparatus includes a light source package generating light, a circuit board including a recessed region in which the light source package is disposed, a display panel displaying images, and a light guide plate directing the light generated from the light source package onto the display panel. The light guide plate includes a top surface, a bottom surface, and a plurality of sidewall surfaces. One of the sidewall surfaces of the light guide plate is a light incident surface on which the light from the light source package is irradiated. A distance between the light source package and the light incident surface is less than a width of the circuit board. | 02-14-2013 |
20130044516 | LIGHT-GUILD-PLATE POSITIONING SHEET AND CORRESPONDING BACKLIGHT MODULE - The present invention provides a light-guide-plate (LGP) positioning sheet, which comprises: a fixing portion used to fix the LGP positioning sheet onto a fixing frame of a backlight module, a positioning portion used to abut against and position a light guide plate, and a connecting portion used to connect the fixing portion and the positioning portion. The present invention is further related to a backlight module. According to the LGP positioning sheet and the backlight module of the present invention, the LGP positioning sheet can efficiently ensure the complete alignment between a light emitting diode (LED) light source and a light input side surface of the light guide plate, so as to increase the light utilization rate of the light guide plate. | 02-21-2013 |
20130070480 | ENCAPSULATED LED ARRAY AND EDGE LIGHT GUIDE DEVICE COMPRISING SUCH AN LED ARRAY - This invention relates to structures for mounting LEDs, said structures being suitable for use in the manufacture of light guide devices. This invention also relates to light guide devices comprising said structures and methods of manufacture of the aforementioned. The light guide devices are suitable for use in a range of applications, particularly in connection with the backlighting of displays, for example, liquid crystal displays. | 03-21-2013 |
20130083559 | DETACHABLE LIGHT EMITTING DEVICE USING LIGHT EMITTING DIODE MODULES - The present invention relates to a detachable light emitting device using light emitting diode modules, and the detachable light emitting device comprises: a body casing, in which a front frame is mounted on the front thereof, and in which one or a plurality of detachable parts is or are installed on an upper side or a lower side of the body casing; radiation stands which are vertically erected on both left and right sides inside the body casing, and have front cutting grooves; light guide plate stands which are vertically inserted and coupled in the front cutting grooves of each of the radiation stands, respectively, and in which side mounting grooves are formed on each one side thereof; LED module mounting stands which are vertically inserted and coupled in the side mounting grooves of each of the light guide plate stands, respectively, and in which LED mounting grooves are vertically formed on each one side thereof; LED modules, in which printed circuit boards having a plurality of LEDs thereon are vertically inserted and coupled in the LED mounting grooves of each of the LED module mounting stands, respectively; light guide plates which show surface emission effects when the LEDs of the LED modules are adjacent thereto; and a front plate which is installed on the front side inside the body casing, wherein various characters or drawings, photos and the like are printed thereon. | 04-04-2013 |
20130100701 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCLUDING SAME - A light guide plate includes a light incident surface and a plurality of micro cylinders protruding from the light incident surface in parallel. Each of the micro cylinders has a circumference surface and two opposite end surfaces. The circumference surface is connected to the light incident surface. The two end surfaces are positioned on two opposite ends of the circumference surface, and are perpendicular to the light incident surface. Each of the two end surfaces is circular arc-shaped, and the radius of each of the two end surfaces is in the range of 0.04 μm to 0.07 μm. | 04-25-2013 |
20130107574 | BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME | 05-02-2013 |
20130114298 | BACKLIGHT AND DISPLAY DEVICE - Embodiments of the present invention disclose a backlight and a display device, to reduce the number of LEDs in a backlight, save costs, while avoiding dark areas appearing on the screen, so as to ensure display effect. The backlight comprises a first light guide plate and at least one light-emitting diode assembly, and the light-emitting diode assembly is located on one side of the first light guide plate. The light-emitting diode assembly comprises a second light guide plate, at least one light-emitting diode and a reflective film, wherein the at least one light-emitting diode is located on at least one side of the second light guide plate, and the reflective film is located on at least one side of the second light guide plate. | 05-09-2013 |
20130114299 | DISPLAY DEVICE - Provided is a display device. The display device includes a light guide plate, a light source disposed on a side surface of the light guide plate, a light conversion member disposed between the light source and the light guide plate, and a first adhesion member closely attached to the light guide plate and the light conversion member. An air layer between the light source and the light guide plate is removed by the first and second adhesion members to improve light incident efficient into the light guide plate. | 05-09-2013 |
20130128618 | Back Frame and Backlight System - The present invention provides a back frame of flat panel display device, which includes primary assembling pieces, secondary assembling pieces, and a bracing piece for fixing a circuit board. The primary assembling pieces have a number of at least two, and the at least two primary assembling pieces are connected through joining to form a main frame structure of the back frame. The secondary assembling pieces are joined to the primary assembling pieces. According to practical needs of the main frame structure, different materials are used for different parts at different locations. The back frame is provided with the bracing piece for fixing a circuit board, and the bracing piece includes a bracing body, a first suspension section, a first bearing section, and a first resilient bent section. The present invention also provides a backlight system. The back frame and the backlight system of the present invention have a back frame having a simple structure, overcome the problem that a circuit cannot be easily fixed, reduce the expenditure of a back frame mold, and save the material used for back frame so as to lower down the cost of flat panel display device. | 05-23-2013 |
20130135900 | LIGHT SOURCE APPARATUS OF BACKLIGHT MODULE - A light source apparatus includes a light guide plate, a number of optical fibers, at least two first light emitting diodes, and at least two second LEDs. Each fiber has a light exiting surface facing the light guide and at least two light entrances at both ends of the fiber. The second LEDs are located on both sides of the light guide plate. Light generated by the first LEDs has a wavelength longer than that generated by the second LEDs. The light generated from the first LEDs enters the light guide plate after travelling through the optical fiber to mix with the light generated from the second LEDs to provide a good color rendering property of the light generated by the light source. | 05-30-2013 |
20130141940 | LED Light Bar and Backlight Module of Liquid Crystal Display Device - The present invention provides an LED light bar and a backlight module of liquid crystal display device. The LED light bar of liquid crystal display device includes: a metal core printed circuit board and an LED chip mounted on the metal core printed circuit board. The metal core printed circuit board includes a metal substrate, an insulation layer formed on the metal substrate, and a circuit formed on the insulation layer. The LED chip has leads to electrically connect with the circuit. The insulation layer forms a hollow portion corresponding to the LED chip. The LED chip is received in the hollow portion and the LED chip has an undersurface engaging the metal substrate. The present invention has a simple structure, is easy to manufacture, and makes an LED light bar showing improved heat dissipation performance. | 06-06-2013 |
20130141941 | Large Area Light Source - A large area light source includes a narrow space of several millimeters long arranged between adjacent ends of circuit boards of LED bars that are arranged in series in their longitudinal direction, and one end or both ends of a connecting pin is attached movable in its longitudinal direction to a coupling terminal arranged on an end of the circuit board of the LED bar, the LED bar is attached movable in its longitudinal direction to its holder. Even if deformation of distortion, bending, or strain is induced by transportation, installation, or use of the area light source, the movable LED bar as well as the connecting pin absorbs expansion and contraction stress working between the adjacent ends of the circuit boards to securely prevent such breaking of wire incurred by use of a plurality of divided LED bars. | 06-06-2013 |
20130141942 | Linear Light Source Module and Optical Touch Device with the Same - A linear light source module includes a mirror light guide component and a light emitting component. The mirror light guide component has a light emitting end, a surface having a mirror light reflecting layer formed thereon and a light incidence end. The light emitting component is configured for providing light to the light incidence end. The mirror light guide component is a light guide bar and is configured for converting the light from the first light emitting component into a linear light when the light emitting component is lighted, and the mirror light guide component is a mirror bar and is configured for providing a mirror function when the light emitting component is closed. An optical touch device with the linear light source module can avoid a blind zone and can be used as a dual-touch device or a multi-touch device. | 06-06-2013 |
20130155722 | LIGHT GUIDE PLATE AND EDGE LIGHT BACKLIGHT DEVICE - An edge light backlight device includes a light guide plate having a base portion and microstructures, LEDs, and a reflective plate. The base portion has a light emitting side, a rear side, and a light incident side. The microstructures are formed on one of the light emitting side and the rear side and each of which extends from the light incident side in a longitudinal direction. Each of the microstructures includes a curved surface with a radius of curvature (R). The light guide plate has a thickness (T). R/T ratio ranges from 0.04 to 0.15 and each of the microstructures has a height ranging from 20 μm to 300 μm so that the light guide plate has a performance of local lighting ranging from 1% to 40%. | 06-20-2013 |
20130163284 | LATERAL PLANAR LIGHT EMITTING MODULE - A lateral planar light emitting module has a rectangular base plate and a plurality of light emitting diodes, and the light emitting diodes are designed with an array arrangement and installed on both opposite sides of the rectangular base plate respectively, so that a light exit surface opposite to a light projection area with a different intensity produced by the same light emitting diode has an optical path with a different distance after a light source emitted from the light emitting diodes is projected directly or reflected from a reflective micro-structure of the rectangular base plate, and a light emitting effect with a uniform light intensity distribution is achieved on the light exit surface to lower the manufacturing cost and improve the light emitting efficiency effectively. | 06-27-2013 |
20130163285 | COOLING STRUCTURE FOR LIGHT EMITTING ELEMENTS FOR LIQUID CRYSTAL PANEL - A cooling structure for light emitting elements for a liquid crystal panel according to the present invention includes: a long-shaped substrate that is disposed so as to extend along an edge of a light guide plate provided on a rear surface of a liquid crystal panel, and in which a plurality of through-holes are formed; a plurality of light emitting elements that are disposed on a front surface of the substrate so as to face the light guide plate; and a chassis that is provided at a rear surface side of the substrate, and the through-holes are arranged at a higher density at a center portion of the substrate in a long direction than at end portions of the substrate in the long direction. | 06-27-2013 |
20130176749 | DISPLAY DEVICE AND INPUT DEVICE WITH MULTI PATTERN LAYERS - The present invention discloses an input device with multi pattern layers including an input interface, a first light emitting element for generating a first light beam, a first light guiding plate, a second light emitting element for generating a second light beam, a second light guiding plate, a first circuit board and a second circuit board. The input interface is stacked on the first light guiding plate, and the first light guiding plate is stacked on the second light guiding plate, such that a first space and a second are formed individually at the two ends of the first light guiding plate and the second light guiding plate. The first circuit board and the second circuit board block the first light beam and the second light beam individually by inserting into the first space and the second space individually. | 07-11-2013 |
20130182457 | LIGHTING ASSEMBLY WITH STATIC AUTOSTEREOSCOPIC IMAGE OUTPUT - A lighting assembly includes a light guide in which light propagates by total internal reflection between opposed major surfaces. The light guide receives light generated by two light sources at opposed light input edges of the light guide. The light guide includes light extracting elements that respectively extract light to form a left eye image at a first region and a right eye image at a second region. The left eye and right eye images, when viewed by a viewer, form a static autostereoscopic image. | 07-18-2013 |
20130194824 | BACKLIGHT STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - A backlight structure includes a light source module and a light guiding plate. The light source module includes a circuit board, a lighting unit arranged on the circuit board, and a hollow baffle plate surrounding the lighting unit. The circuit board defines a groove in a surface thereof, and a bottom end of the baffle plate is embedded in the groove. The lighting unit is located between the light guiding plate and the circuit board, and the light guiding plate is disposed on the baffle plate. A method for manufacturing the backlight structure is also provided. | 08-01-2013 |
20130208508 | LIGHT EMITTING DEVICE WITH OPTICAL REDUNDANCY - An optically redundant light emitting device includes a light transmitting film comprising an array of coupling light-guides extending from a light emitting area defined within the light transmitting film. Each coupling lightguide is bent to form a stacked array of coupling lightguides. A first group of light sources comprising at least one light source is positioned to emit light into the stacked array of coupling lightguides, and a second group of light sources comprising at least one light source is positioned to emit light into the stacked array of coupling lightguides. A first optical path of the light emitted from the first group of light sources overlaps with a second optical path of the light from the second group of light sources in each coupling lightguide. | 08-15-2013 |
20130215646 | LIGHTING DEVICE HAVING A LIGHT GUIDE STRUCTURE - A lighting device includes a light guide structure. The light guide structure is arranged in tiers by a plurality of thin-film modules in which a portion of a first surface of each lower one of the plurality of light guide layers is covered by an upper one of the plurality of light guide layers to form an uncovered portion of the first surface. Each of the thin-film modules is configured to transmit light therein emitted from light emitting diodes (LEDs) to the uncovered portion and emit the light from the uncovered portion of the first surface thereof. | 08-22-2013 |
20130223100 | Universal Light-Emitting Diode Retrofit Assembly For Light Fixtures - A light-emitting diode (LED) system to retrofit a light fixture has a frame configured to be installed under an existing light fixture and a LED lighting assembly couplable to the frame. In one example, the frame is formed as a plurality of rails having a flange to be installed between the light fixture and a grid member of a ceiling suspension system. The frame may be installed without removal of the existing light fixture. The LED lighting assembly includes an LED array and an optical waveguide for dispersing light from the LED array. The LED system maintains a thin profile, enabling it to retrofit existing light fixtures. Installation time is reduced, thereby reducing labor costs, while the LED lighting provides more light with less energy. | 08-29-2013 |
20130242611 | Side-Edge Backlight Module - The present invention provides a side-edge backlight module, which includes a backlight source that emits blue light, a light guide board, and a fluorescent powder layer. The light guide board includes a light incidence surface. The backlight source is set corresponding to the light incidence surface and is arranged at one side of the light guide board. The fluorescent powder layer is mounted by a bonding layer to the light incidence surface of the light guide board. The bonding layer has an end face that is in contact engagement with the fluorescent powder layer and includes a smooth continuous curved surface. The fluorescent powder layer is set along the curved surface. The fluorescent powder layer is excited by the blue light emitting from the backlight source to generate white light. The white light transmits through the bonding layer to enter the light guide board. | 09-19-2013 |
20130258713 | Backlight Module, LCD Device and Light Source of Backlight Module - The invention provides a backlight module, an LCD device and a light source of the backlight module. The backlight module includes an LED chip, and a heat sink; the LED chip and a circuit thereof are directly arranged on the heat sink. In the invention, because the LED chip of the backlight module and the circuit thereof are directly arranged on the heat sink, heat emitted by the LED chip can be conducted out through the heat sink with good heat dissipation effect; thus, the inside temperature of the backlight module is reduced, and the heat dissipation efficiency of the backlight module is increased. | 10-03-2013 |
20130258714 | LIGHT EMITTING DIODE LIGHT BAR STRUCTURE AND BACKLIGHT MODULE - The present invention discloses a light emitting diode (LED) light bar structure and a backlight module. The LED light bar structure is provided with a plurality of the light source sets. Each of the light source sets comprises a first LED and a second LED, and the chromaticity of the first LED and the chromaticity of the second LED are complementary. Hence, it is not necessary to consider with the others of the light source sets, so that it can achieve mixing a uniform white light, and the backlight module will not appear the phenomenon of “Mura”. Besides, the material of the LED will not be wasted, and it is easy to control the identical chromaticity between the different backlight modules. | 10-03-2013 |
20130258715 | Display Screen Assembly - A display screen assembly is suitable for use in a digital device that lacks the processing power, memory, or both needed to carry out light-simulated bar code processing. The display screen assembly includes a display screen having a display area and mounted to a flexible circuit. The flexible circuit includes numerous conductive circuit traces including terminal ends, and various electronic components such as a controller and a screen driver. The various components may be covered by a cover layer, and the display screen including the display area may be covered by a sheet of transparent material. An LED may be generally positioned near an edge or corner of the display screen, and may be may be controlled by a digital device processor or by the controller on the flexible circuit, as desired, for producing light-simulated bar codes. | 10-03-2013 |
20130272027 | Method for Manufacturing LED Light Bar and LED Light Bar and Backlight Module - The present invention provides a method for manufacturing LED light bar, which includes the following steps: (1) providing light-emitting dies of different sizes; (2) measuring luminous intensities of the light-emitting dies; (3) selecting among the light-emitting diodes ones of which the luminous intensities are different from each other by less than 5%; (4) encapsulating the selected ones of the light-emitting dies to form LED lights, which are of substantially identical encapsulated size; and (5) mounting and electrically connecting the LED lights to a printed circuit board to form an LED light bar. The method for manufacturing LED light bar according to the present invention uses light-emitting dies of different sizes so as to improve utilization rate of an entire wafer and effectively reduce the manufacture cost. | 10-17-2013 |
20130272028 | LIGHT GUIDE PLATE FOR PLANE LIGHT SOURCE, METHOD FOR MANUFACTURING THE SAME, AND PLANE LIGHT SOURCE UNIT USING THE SAME - A light guide plate and a plane light source unit are provided. The light guide plate for a plane light source unit includes a plurality of unit pattern regions each having a plurality of optical patterns on surfaces thereof, wherein one or more unit pattern regions have different sag values (height:lens size) of the optical patterns constituting the unit pattern regions. Unit pattern regions are implemented with segmented optical patterns, which are equal in height, from the outside of the light guide plate to the central part thereof, by adjusting the density and size of microlenses, thereby improving the light uniformity and light efficiency and improving the efficiency of manufacturing processes. | 10-17-2013 |
20130279193 | ELECTRONIC DEVICE FOR POSITIONING LIGHT GUIDING ELEMENT - The electronic device includes a first cover, a second cover, a light guiding element, and a PCB. A first blocking rib is formed on a bottom of the first cover. A retaining panel extends from the bottom and includes a hook at a distal end thereof. The second cover includes a second blocking rib. The PCB is positioned between the two covers. A light source is mounted on the PCB. A light guiding element includes a flat panel and two sidewalls extending from the flat panel. The hook engages with the end surface of the first sidewall. The first blocking rib and the retaining panel abut against opposite sides of the light guiding element. The second blocking rib abuts against the end surface of the second sidewall. The light guiding element is coupled to the light source and configured to transmit the light from the light source. | 10-24-2013 |
20130279194 | Light emitting systems and related methods - A light-emitting system that utilizes light guides for edge lighting and back lighting applications is disclosed. A process of making the light-emitting system is also disclosed. An edge-lit thin light-emitting system can include a light guide sheet disposed between a reflector sheet and a diffuser lens sheet, at least one strip of LED arrays embedded in the optically clear material, the at least one strip is disposed on the edges of the light guide sheet with the light-emission side of LEDs facing the light guide; and, optionally, a frame disposed around the perimeter of the sheets; wherein the at least one strip of LED arrays is attached to the light guide sheet such that an air gap between the LEDs and the light guide is eliminated. | 10-24-2013 |
20130279195 | BACK LIGHT UNIT - The present invention relates to a structure of an edge-type back light unit, particularly to a structure comprising a light source receiving part, which receives a light source such as LED formed to the central direction of an optical plate at one side or the other side of the optical plate. | 10-24-2013 |
20130286684 | ARRAY ILLUMINATION SYSTEM - This disclosure provides systems, methods, and apparatuses for array illumination. In one aspect, an array of light engines is coupled to a support structure. Each light engine can be separately controlled to achieve a desired output beam. In another aspect, a support structure includes an array of LED emitters. The support structure is configured to removably receive a plurality of light guides over the array of LED emitters, thereby forming an array of light engines. The support structure can include an integrated heat sink in thermal communication with the array of LED emitters. Light from the LED emitters is distributed over the surface of the light guides to produce a desired output beam. The light engines can be configured to produce output beams of differing color, direction, shape and/or size. | 10-31-2013 |
20130286685 | LIGHT SOURCE MODULE - A light source module including a light guide plate, a plurality of light emitting devices, and a plurality of first reflective devices is provided. The light guide plate has a plurality of through holes and a light emitting surface. The through holes pass through the light emitting surface. Each of the through holes has a first side wall and a second side wall opposite the first side wall. At least one of the light emitting devices is disposed in each of the through holes. Each of the light emitting devices is capable emitting a light beam. The light beam enters the light guide plate from the first side wall of the through hole which the light emitting device is disposed in and leaves the light guide plate from the light emitting surface. The first reflective devices are disposed on the second side walls of the through holes. | 10-31-2013 |
20130301297 | Backlight Module - The present invention provides a backlight module, which includes a backplane, a light guide plate arranged inside the backplane, a backlight source arranged inside the backplane, and a support member arranged inside the backplane to support the light guide plate and the backlight source. The backlight module of the present invention uses a support member to simultaneously support a backlight source and a light guide plate in order to realize sound relative positioning between the backlight source and the light guide plate and improve stability of light coupling. The structure is simple and the cost is low so as to be helpful to realize thinning. | 11-14-2013 |
20130308340 | ALUMINUM EXTRUSION HEAT SINK STRUCTURE AND CORRESPONDING BACKLIGHT MODULE - The present invention relates to an aluminum extrusion heat sink structure and a corresponding backlight module. The aluminum extrusion heat sink structure comprises a light source connecting portion, a back plate connecting portion and a light guide plate support portion. The manufacture cost of the aluminum extrusion heat sink structure is lower, and the heat dissipation effect is better, so as to solve the technology problem that the volume of a traditional aluminum extrusion heat sink structure is larger caused the cost of the aluminum extrusion heat sink structure and the corresponding backlight module is higher. | 11-21-2013 |
20130308341 | FLAT PANEL DISPLAY AND METHOD FOR ASSEMBLING THE FLAT PANEL DISPLAY - A front frame of a flat panel display having positioning structure allows a LCD cell to be positioned and mounted thereon along an assembly direction. A restraining frame may be further incorporated for positioning and spacing purposes for each component of the display. Optical films, a light guide component, a backlight unit, and a reflector of the flat panel display are then mounted in a row along the assembly direction on the restraining frame or the front frame, where the backlight unit and/or the reflector may be fixed to a back cover of the backlight module in advance. Finally, a speaker, wiring of the display, circuit boards, and a board cover are assembled to the front frame and the back cover. | 11-21-2013 |
20130314946 | AUTOMOTIVE HEADLAMP ASSEMBLY - A headlamp assembly includes a bezel defining a first surface and a second surface inclined with respect to the first surface and located at an outboard periphery, a series of fingers separated by slots, each slot extending through the first surface and the second surface, light sources, and light guides, each light guide fitted into one of the slots, for transmitting light from one of the light sources, along and through one of the slots. | 11-28-2013 |
20130322120 | OPTICALLY TRANSMISSIVE SUBSTRATES AND LIGHT EMITTING ASSEMBLIES AND METHODS OF MAKING SAME, AND METHODS OF DISPLAYING IMAGES USING THE OPTICALLY TRANSMISSIVE SUBSTRATES AND LIGHT EMITTING ASSEMBLIES - Images are displayed in response to a video signal using a light emitting assembly having one or more optically transmissive substrates, films or sheets, each having at least one pattern of optical elements on or in the substrates, films or sheets. A plurality of light sources are configured to illuminate one or more output areas of one or more of the substrates, films or sheets. The light emitting assembly is configured to emit light through the pattern of optical elements and produce a predetermined luminance profile of the light emitting assembly. At least some adjacent substrates, films or sheets may have portions that overlap, and at least one pattern of optical elements on or in at least one side of the substrates, films or sheets may be configured so that discontinuities between the adjacent substrates, films or sheets are minimized. | 12-05-2013 |
20130322121 | BACKLIGHT MODULE - A backlight module includes an outer cover, a heat dissipation plate, a frame, a light guide plate, a back plate, and a light source. The outer cover includes a side wall. The heat dissipation plate is disposed within the outer cover and has a flat plate-shaped first end. The frame is disposed within the outer cover. The light guide plate is disposed between the heat dissipation plate and the frame. The back plate is disposed within the outer cover and has a flat plate-shaped second end parallel to the first end of the heat dissipation plate. The light source is disposed on the first end of the heat dissipation plate and has a substrate and a light emitting diode element. The substrate is perpendicular to the first end of the heat dissipation plate. The first end of the heat dissipation plate and the substrate are adjacent to the side wall. | 12-05-2013 |
20130329460 | Electronic Device Display Structures - An electronic device may have a housing in which a display is mounted. A gasket may be mounted in a groove between the display and housing. The gasket may contain an embedded stiffener. Corner brackets may be installed in the corners of the housing. The housing may have inner and outer concentric ribs. Recesses in the housing may be configured to receive the corner brackets. The recesses may be formed between the inner and outer concentric ribs. Gap filling structures such as a foam layer may be interposed between a rear housing wall and a display backlight unit. Display color variations may be corrected by using a backlight unit having an array of light-emitting diodes of different colors. An electrostatic discharge protection layer may be grounded to a housing using conductive tape. Black edge coatings and adhesive-based structures may block stray light. Camera window regions may be supported using adhesive. | 12-12-2013 |
20130336006 | Backlight Device, Backlight System, and Flat Panel Display Device - The present invention introduces a backlight device, a backlight system, and a flat panel display device incorporated with the backlight device. The backlight device is configured by at least two backlight units detachably and electrically interconnected. The backlight unit comprises at least first and second leadframes each including longitudinal first and second ends and an intermediate portion located between the ends. A light emitting device is disposed at the intermediate portion. And at least a pair of first and seconds leads with the first pair of leads arranged at the first end, and the second pair of leads located at the second end. The backlight, backlight system, and the flat panel display device can be readily lengthened or shortened according to the field requirements. It features a simple configuration, while is easy to assemble, and is beneficial to cost down. | 12-19-2013 |
20130336007 | BACKLIGHT MODULE FOR 3D DISPLAYING AND LED LIGHT BAR THEREOF - The present invention relates to a backlight module for 3D displaying and an LED light bar thereof. The backlight module for 3D displaying includes a light guide plate and at least one LED light bar. The LED light bar is arranged at one edge of the light guide plate. The LED light bar includes a plurality of LEDs and a substrate. The LEDs are arranged in a line and are mounted to the substrate in a mutually spaced manner. The LEDs and the substrate of the LED light bar are arranged in a plurality of sections to correspond to a predetermined backlight scanning arrangement. LED spacing set in each of the sections is less than LED spacing set between the section and an adjacent section. The present invention also provides an LED light bar of backlight module for 3D displaying. | 12-19-2013 |
20130336008 | Lighting Device - The present invention relates to an edge-type lighting device using an LED light source which has high light-emitting efficiency regardless of thermal expansion of a light guide plate. An LED light source ( | 12-19-2013 |
20130343085 | Electronic Device Display Chassis - An electronic device display may include display layers mounted in a display chassis. The display chassis may have a plastic chassis structure and a metal chassis structure. Backlight structures may include a rectangular light guide plate. Light-emitting diodes within the backlight structures may emit light that is coupled into the light guide plate. The display chassis may have four edges that surround a rectangular opening. The rectangular opening may be configured to receive display layers such as the light guide plate. The metal chassis may have a C-shaped cross-section that forms a cavity in which the light-emitting diodes are mounted. The metal chassis structure may have engagement features such as holes and bent tabs. The plastic chassis structure may be overmolded on the metal chassis structure in engagement with the engagement features. Mounting structures may be formed from protruding portions of the plastic chassis structure. | 12-26-2013 |
20130343086 | LIGHT GUIDES AND BACKLIGHT SYSTEMS INCORPORATING LIGHT REDIRECTORS AT VARYING DENSITIES - Light guides and backlight systems are disclosed that include one or more groups of geometric light redirectors whose arrangement and/or orientation across the surface of a light guide varies to improve light emission uniformity and to reduce visual artifacts. | 12-26-2013 |
20140003090 | LIQUID CRYSTAL DISPLAY AND BACKLIGHT MODULE THEREOF | 01-02-2014 |
20140016352 | LED BACKLIGHT MODULE - The present invention relates to an LED backlight module, which includes an LGP, an LED light bar, a backplane, and a heat sink. The LED light bar is mounted on the heat sink at a location close to a light incidence side of the LGP. The heat sink forms upward-extending LGP positioning columns that are fixed with respect thereto. The LGP positioning columns extend upward and through the LGP so as to fix the LGP with respect to the heat sink. The heat sink is arranged on the backplane in a manner of being movable in a light incidence direction. The heat sink is movable with expansion or contraction of the LGP so as to maintain light coupling distance between the LGP and the LED light bar. The LED backlight module prevents the LGP from waving resulting from heat or mechanical interference. | 01-16-2014 |
20140016353 | Light Emitting Mirror Structure - A light emitting mirror structure includes a casing caved in to form an accommodating space having a light guiding area and a mirror area, and at least one surface of the casing as a sidewall communicating with the accommodating space. The mirror structure includes a light guiding device having a light guide plate, and a light emitting member disposed on a side of the light guide plate, and the light guiding device is placed at the light guiding area of the accommodating space of the casing. A mirror body having a substrate and a mirror surface located on the substrate is provided for the disclosed mirror structure also. The mirror body is integrated on the mirror area of the accommodating space, the light guiding plate causes a light to be emitted through the sidewall at a first side of the mirror body, and the mirror surface is uncovered by the sidewall. | 01-16-2014 |
20140022821 | Lighting Device - Disclosed herein is an edge-type lighting device which is configured such that when a light guide plate thermally expands, a light source is prevented from being pressed. In the lighting device according to the present invention, a light guide plate ( | 01-23-2014 |
20140029301 | Backlight Module and Liquid Crystal Display Device - The present invention discloses a backlight module which can be incorporated within the liquid crystal display device, and which includes a waveguide, a heat dissipating frame, a light source and a backframe. The heat dissipating frame includes a carrying portion and a sidewalk The carrying portion abuts against a bottom surface of the waveguide. The carrying portion is defined with openings in an area adjacent to the sidewalk. The light source is mounted onto the sidewall and offset to the opening. The backframe includes a bottom board and erections which extend and pass through the opening. The bottom board abuts the carrying portion. The thickness of the erection is larger than the thickness of the light source such that expansion of the waveguide exposed under heat will not in contacting with the light source. Accordingly, the light source will not be damaged by the expansion of the waveguide, and therefore prolong the service of the light source. | 01-30-2014 |
20140036535 | BACKLIGHT MODULE AND AN LED LIGHT BAR THEREOF - A backlight module and a light emitting diode (LED) light bar thereof are proposed. The backlight module includes a plurality of LEDs, at least one circuit board, a heat sink, a plurality of screws, and a light guide plate (LGP). The plurality of LEDs are arranged on the at least one circuit board. A plurality of screws are arranged on the at least one circuit board and the arrangement method thereof depends on temperature distribution of the at least one circuit board. The plurality of screws are inserted between the plurality of LEDs and are arranged at an unequally distance so that temperature can be evenly distributed over the LED light bar, thereby improving image quality of display devices. | 02-06-2014 |
20140036536 | MEMS SHUTTER CONTROL FOR A DISPLAY UTILIZING QUANTUM DOTS - A display that utilizes a microelectromechanical (MEMS) shutter module in order to accommodate a quantum dot sheet outside of the display backlight is provided. The MEMS shutter module can be placed either above or below the quantum dot sheet in order to more efficiently control the color at each individual pixel, when the color is being rendered from the isotropic emissions of the quantum dot sheet. | 02-06-2014 |
20140036537 | Liquid Crystal Display Device - A backlight device includes a frame with a first opening having a first side, a second side, a third side, and a fourth side, a planar light source which is disposed in the first opening of the frame, a plurality of optical sheet groups which are disposed on the planar light source and include a first optical sheet group and a second optical sheet group, and an adhesive layer which has a second opening formed along the first, second, third, and fourth sides of the frame. The first optical sheet group is fixed to the frame via the adhesive layer at the second, third, and fourth sides of the frame, and the second optical sheet group is fixed to the frame at the first side of the frame and is not fixed to the frame at the second, the third, and fourth sides of the frame. | 02-06-2014 |
20140043854 | ILLUMINATING DEVICE - Disclosed is an illuminating device which comprises a light guiding unit comprising a protrusion optical pattern forming a gap with an adjacent layer, at least one light emitting unit passing through the light guiding unit, and a resin layer formed on the light guiding unit and the at least one light emitting unit, so it is possible to obtain an effect that the shapes of light change depending on the viewing angle when viewing the light source by producing various protrusion optical patterns, an effect that the whole thickness can be reduced, and an effect that the degree of design freedom can be enhanced when designing products thanks to an enhanced flexibility. | 02-13-2014 |
20140043855 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a receiving container, a light emitting unit and a light guide plate. The receiving container includes a bottom portion, and a sidewall extended from the bottom portion. The light emitting unit is on an inner lateral surface of the sidewall. The light guide plate is in the receiving container and includes a side surface facing the light emitting unit. The light emitting unit includes a light emitting diode package which generates light, a first lead frame and a second lead frame. The first lead frame is electrically connected to a first electrode of the light emitting diode package. The second lead frame is spaced apart from the first lead frame and electrically connected to a second electrode of the light emitting diode package. | 02-13-2014 |
20140049987 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes first LED packages, second LED packages, a light guide plate, a printed circuit board, and a light blocking member. Each of the first LED packages emits light of a first color. Each of the second LED packages emits light of a second color different from the first color. The first and the second LED packages are provided in the same number and alternately arranged with each other. The light guide plate receives an incident light from the first and the second LED packages to output an emission light, and the first and second LED packages are mounted on the printed circuit board. In addition, the light blocking member blocks the light generated from one of the first LED packages, which is located at an outermost portion of the printed circuit board, and travelling to the light guide plate. | 02-20-2014 |
20140056029 | BACKLIGHT MODULE - A backlight module comprises: a light emitting device; a light guide plate that has a plurality of light guide prisms; a first prism assembly that comprises a first base body and a plurality of first prisms arranged on the light emergent surface of the first base body; a second prism assembly that comprises a second base body and a plurality of second prisms, wherein the extending direction of the second prisms is vertical to that of the first prisms. By way of the light guide prisms of the light guide plate extending in the parallel direction to the extending direction of the first prisms, the light beam with a large angle propagating through the light guide plate will not be guided out by the prisms near the light incident side, so as to increase the light mixing area and subsequently avoid the presence of alternately dark and bright hotspot. | 02-27-2014 |
20140063849 | BACKLIGHT MODULE WITH LIGHT-GUIDING PORTIONS - A backlight module includes a substrate, a plurality of LED packages mounted on the substrate and a light diffusion board located above the LED packages. The light diffusion board includes a light incident surface facing toward the LED packages and a light output surface. A plurality of light-guiding portions is configured extending from the incident surface of the light diffusion board toward the LED package. Each light-guiding portion comprises a concave surface at an outer periphery thereof. A diameter of each light-guiding portion decreases gradually from light diffusion board toward the LED packages. The concave surface of each light-guiding portion is recessed inwardly from the outer periphery of the light-guiding portion. Light from the LED packages and emitting into the light-guiding potions is divergently and uniformly adjusted into the light diffusion board by the concave surfaces of the light-guiding portions. | 03-06-2014 |
20140063850 | Backlight And Liquid Crystal Module - A backlight and a liquid crystal module having the same are provided. The backlight comprises: a light guide plate, a light-guide-plate fixing element for fixing the light guide plate, and at least one light source disposed adjacent to the light guide plate, wherein the light-guide-plate fixing element is made of thermal-contractive material. As the light-guide-plate fixing element is made of thermal-contractive material, in a test environment of high temperature and high humidity, it is possible to ensure that the light guide plate can expand and contract freely without resistance; meanwhile; while at normal temperatures, as the tight-guide-plate fixing element is in contact with the light guide plate without gap therebetween. | 03-06-2014 |
20140071710 | Graphic Frame for LED Light Boxes - A LED illuminated system to illuminate a graphic panel may include a front frame, a spacer device to be connected to the front frame, a LED edge-lit panel to form a cavity by a connection to the spacer device for the graphic panel to be nondestructively removed and replaced and a LED array connected to a back surface of the LED edge-lit panel to illuminate the graphic panel. | 03-13-2014 |
20140085929 | BACK-PLATE STRUCTURE OF BACKLIGHT, BACKLIGHT AND DISPLAY DEVICE - The embodiments of the present invention disclose a back-plate structure of backlight, a backlight and a display device. The backlight is applied to a display device. The back-plate structure comprises a substrate and a plurality of optical fibers disposed on the substrate. Each optical fiber is provided with a light outlet corresponding to a sub-pixel of the display device so that light inputted into the optical fiber is emitted to the sub-pixel to which the light outlet corresponds via the light outlet. | 03-27-2014 |
20140085930 | Backlight Module, Display Device And Method For Eliminating Hotspot Effect - Disclosed are a backlight module and a display device and method using the same, the backlight module comprises light-guide plate ( | 03-27-2014 |
20140085931 | BACKLIGHT UNIT - A backlight unit includes: light sources; a light guide member ( | 03-27-2014 |
20140104882 | Backlight Module - The present invention provides a backlight module, which includes a backplane, a light guide plate arranged inside the backplane, a light bar arranged at one side of the light guide plate, a side reflector plate arranged at one side of the light guide plate that is distant from the light bar, and four corner pieces arranged between the backplane and the light guide plate. The corner pieces are made of a rubber material. The corner pieces have surfaces that face the light guide plate and are of a white color. The side reflector plate is arranged between two of the corner pieces. The side reflector plate has a length that is less than or equal to a distance between the two corner pieces so as to achieve a separate arrangement of the side reflector plate and the corner pieces. | 04-17-2014 |
20140119053 | BACKLIGHT MODULE AND DISPLAY DEVICE - The present invention discloses a backlight module, which comprises a light guide plate and a light bar disposed on the light guide plate, wherein white light sources and monochromatic light sources having at least one color of N primitive colors wherein N is greater than or equal to 3. The present invention further discloses a display device comprising such a backlight module. With the present invention, the color gamut range of a light-emitting diode (LED) backlight display system can be widened. | 05-01-2014 |
20140126243 | Edgelit Lighting Fixture and Assembly - Embodiments described herein are directed to a lighting fixture including a lightguide that distributes light from a major surface, a light assembly including light sources arranged linearly, and a frame including a means for providing a force that urges the light assembly against an edge of the lightguide. A standoff or spacer can provide an air gap between a light source of the light assembly and the waveguide edge. In various embodiments, the lighting fixture may incorporate a spring, a spring finger, a spring clip, a screw, or other means for securing the light assembly against the edge of the lightguide. In this manner, substantially all light provided by the light assembly is emitted into the edge of the lightguide. The fixture is formed to accommodate tolerances among elements of the lighting fixture, while maintaining the light assembly securely against the edge of the lightguide. | 05-08-2014 |
20140133179 | Electronic Device with Display Chassis Structures - Electronic devices may include displays. A display may include backlight components that provide backlight illumination for the display. Backlight components may include a light guide plate that distributes light from a light source across the display. Display chassis structures may be used to support display layers and backlight components. A metal chassis may include a portion that partially surrounds the light source. Openings or perforations in the metal chassis may allow the portion that surrounds the light source to flex about a flex axis. A portion of a display layer may be mounted to a plastic chassis. The plastic chassis may be insert molded over a light source, may form part of a package for a light source, may be adhered to a light source, or may wrap around the light source. An encapsulant may be formed over the light source to protect the light source from vibrations and contaminants. | 05-15-2014 |
20140133180 | PLANAR LIGHT SOURCE DEVICE AND DISPLAY APPARATUS INCORPORATING SAME - A planar light source device with highly uniform intensity and high light utilization efficiency, and a display apparatus incorporating the same, are provided. A light guide plate, configured by a material such as plate-shaped and transparent acryl resin, polycarbonate resin, or glass, causes incident light to propagate within the light guide plate and then to exit the light through an exit surface as a surface emitting light. A first recess is formed substantially in the center of the exit surface. The first recess is cylinder-shaped, and on a bottom thereof is provided a lens that refracts incident light from a light source, in a direction away from the center of a circle on the bottom. | 05-15-2014 |
20140140097 | HEAT SINK AND BACKLIGHT MODULE USING SAME - The present invention provides a heat sink and a backlight module using the heat sink. The heat sink includes a first bottom plate, a first side plate formed on the first bottom plate, and a second bottom plate mounted on the first bottom plate. The first bottom plate and the first side plate are integrally formed together. The second bottom plate is fixed by screws to an end of the first bottom plate that is distant from the first side plate. The first bottom plate is made of aluminum extrusion material. The second bottom plate is made of aluminum sheet material. The bottom plate of the heat sink is formed through jointing so that a portion of the bottom plate is made of aluminum sheet material that has a small thickness to thereby reduce the amount of aluminum material used and thus facilitating cost control. | 05-22-2014 |
20140140098 | BACKLIGHT MODULE HAVING UNIFORM LIGHT EMISSION - A backlight module includes a light guide plate and only one light source. The light guide plate has a main body and protrusions. The main body has a light emitting surface, a light incident surface, a first side surface, and a second side surface. The protrusions are positioned on the light incident surface, and face the light source. The protrusions diffuse the light rays from the only one light source and guides the light rays into the main body. The light emitting surface has a light emitting area and a marginal area surrounding the light emitting area. The marginal area has a light diffusion area adjacent to the light incident surface and the first side surface. An included angle between the light incident surface and the first side surface is an obtuse angle. An included angle between the light incident surface and the second side surface is an obtuse angle. | 05-22-2014 |
20140153283 | BACKLIGHT MODULES AND LIQUID DISPLAY DEVICES WITH THE SAME - A backlight module includes a light guiding plate and a light source is disclosed. | 06-05-2014 |
20140153284 | LIGHT SOURCE DEVICE OF BACKLIGHT UNIT FOR DISPLAY - A light source device of a backlight unit in which a circuit board on which light-emitting diodes (LEDs) are mounted is disposed inside a rear cover and a heat dissipating means for dissipating heat generated from the LEDs to an outside is disposed between the rear cover and the circuit board. The circuit board is implemented as a patterned substrate which includes a thin sheet and a conductive pattern formed on the thin sheet, the conductive pattern connecting the LEDs to a power source, thereby reducing a thickness through which the heat generated by the LEDs is to be conducted to the heat dissipating means. The heat generated from the LEDs can be more rapidly and efficiently dissipated. Due to the more simplified structure, the light source device can be decreased in weight and be rapidly assembled. | 06-05-2014 |
20140153285 | Lighting Assembly with Defined Angular Output - A lighting assembly includes a light guide and solid-state light emitters to edge-light the light guide, the light emitters arrayed along a transverse direction. The light guide includes two or more sets of optical elements of well-defined shape. Light output from the lighting assembly by the first and second set of optical elements have a first and a second light ray angle distribution, respectively. The optical elements are configured such that when measured in a plane perpendicular to the light guide and the transverse direction: 1) the first and second light ray angle distributions are significantly narrower than an omnidirectional output distribution; and 2) the peak of the second light ray angle distribution is displaced from the peak of the first light ray angle distribution. | 06-05-2014 |
20140169034 | EDGE-TYPE BACKLIGHTING MODULE HAVING LIGHT COUPLERS BETWEEN LIGHT GUIDING PLATE AND LEDS - An edge-type backlighting module includes a light guiding plate, a lighting source, and a light coupler. The light guiding plate has a uniform thickness, and one end thereof acting as a combination end and a light input surface. A light output surface of the light guiding plate is perpendicular to the combination end. The light coupler has a first end and a second end opposite to the first end. The light coupler tapers from the first end to the second end. The lighting source is adhered to the first end. The second end is adhered to the combination end. An entirety of light emitted from the lighting source is transmitted to the light guiding plate via the light coupler. | 06-19-2014 |
20140169035 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCORPORATING THE SAME - A light guide plate includes a light incident face, a light exit face adjacent to the light incident face, a bottom face adjacent to the light incident face and opposite to the light exit face, and a plurality of sidewalls beside the light incident face and interconnecting the bottom face and the light exit face. The light incident face is recessed inwardly from an outer periphery of the light guide plate toward an interior of the light guide plate to define a recessed region of the light guide plate. The light incident face is perpendicular to the light exit face. A backlight module incorporating the light guide plate is also provided. The backlight module includes at least a light emitting diode located in the recessed region of the light guide plate. | 06-19-2014 |
20140169036 | DISPLAY DEVICE AND METHOD FOR FABRICATING REFLECTIVE SHEET FOR THE SAME - A display device and a method of fabricating a reflective sheet for the same are provided. The display device includes: a display panel to display an image, a plurality of light emitting diodes (LEDs) to: generate and supply light to the display panel, a light guide plate to guide the light to the display panel, and a reflective sheet to reflect light toward a cover bottom below the LEDs toward the light guide plate, the reflective sheet including: a reflective layer, first and second skin layers respectively on upper and lower portions of the reflective layer, the first and second skin layers each including an embossing surface including a plurality of first reflective patterns to: prevent adhesion between the reflective layer and the light guide plate, and increase efficiency of light, and the reflective layer including a plurality of second reflective patterns, each including a filler in an air layer. | 06-19-2014 |
20140169037 | MODULE COMPRISING LIGHT-EMITTING DIODES AND LUMINOUS GLAZING WITH SUCH A DIODE-COMPRISING MODULE - A module includes light-emitting diodes, with a printed circuit board bearing light-emitting diodes connected by a series-parallel electrical circuit including a number of circuit branches powered by a common electrical power supply, each branch including two peripheral diodes and optionally at least one internal diode. At least one of the multidiode branches includes at least one reference internal diode, the two diodes closest the reference diode belonging to a branch or branches other than said multidiode branch and/or at least one of the two-diode branches includes two reference peripheral diodes and has, as the closest diode on the printed circuit board, a diode belonging to a branch other than the two-diode branch. | 06-19-2014 |
20140177275 | LED BACKLIGHT MODULE HAVING REDUCED LIGHT LEAKAGE AND INCREASED LIGHT EXTRACTION EFFICIENCY - An LED backlight module includes a light guiding board, a plurality of LED light sources located at an edge side of the light guiding board and a glue layer. The glue layer is located between the edge side of the light guiding board and the LED light sources. The LED light sources are securely attached to the edge side of the light guiding board via the glue layer. The glue layer has a refractive index larger than a refractive index of air. | 06-26-2014 |
20140185322 | LIGHT GUIDING PLATE, BACKLIGHT MODULE AND DISPLAY DEVICE USING THE SAME - A light guiding plate includes a light guiding main body, a first light guiding unit and a second light guiding unit. The light guiding main body has a first surface, a second surface opposite to the first surface and a light inlet face connecting between the first and second surfaces. The first light guiding unit includes first and second light guiding structures disposed on the first surface. The first and second light guiding structures are parallel aligned, each second light guiding structure has a plurality of first light guiding bodies that is individually separating and connecting the immediately abreast first light structures, and the arrangement density of the plurality of first light guiding bodies decreases toward the light inlet face. The second light guiding unit includes a plurality of third light guiding structures disposed on the second surface. The third light guiding structures are parallel arranged. | 07-03-2014 |
20140192557 | EDGE-LIT BACKLIGHT MODULE - Disclosed is an edge-lit backlight module having a rectangular back panel with a reflective microstructure, and a first light portion with an inclined plane or a camber is provided for reflecting lights emitted from a plurality of LEDs and with a relatively smaller normal included angle, and a second light portion is provided for reflecting a light with a slightly greater included angle, and a third light portion is provided for reflecting the light with the greatest included angle to guide lights of different intensities to different paths and project the lights to every position of a front panel, so as to achieve a light extraction efficiency with a uniform distribution of luminous intensity of an LED light source. | 07-10-2014 |
20140192558 | Illumination Systems Providing Direct and Indirect Illumination - Illumination devices are described for illuminating a target area, e.g., floors of a room, using solid-state light sources. In general, an illumination device includes a first light guide extending along a first plane, the first light guide to receive light from first light emitting elements (LEEs) and guide the light in a first direction in the first plane; a second light guide extending along the first plane, the second light guide to receive light from second LEEs and guide the light in a second direction in the first plane opposite to the first direction; a first redirecting optic to receive light from the first light guide and direct the light in first and second angular ranges; and a second redirecting optic to receive light from the second light guide and direct the light in third and fourth angular ranges, where the first, second, third and fourth angular ranges are different. | 07-10-2014 |
20140198527 | VISUAL MEDIA SOFT LIGHT SYSTEM - Improved soft lighting systems for the arts, media, and entertainment industry are disclosed. In certain aspects, the systems employ one or more edge-lit LED light guide panels using high flux, optical grade, and/or binned LEDs to produce higher quality, uniform, diffused soft visual media light. In further preferred aspects the systems are modular and portable, and have light guide panels that may be axially tilted in horizontal and vertical directions to independently direct the soft light emanating from each of the panels to achieve the desired soft lighting set up. | 07-17-2014 |
20140198528 | WAVELENGTH CONVERSION CHIP FOR A LIGHT EMITTING DIODE, AND METHOD FOR MANUFACTURING SAME - There is provided a method of manufacturing a wavelength converted LED chip, including attaching a plurality of LED chips to a chip alignment region of an upper surface of a temporary support plate, forming a conductive bump on the electrode of the respective LED chips, forming a phosphor-containing resin encapsulation part in the chip alignment region to cover the conductive bump, polishing the phosphor containing resin encapsulation part, forming the wavelength converted LED chips by cutting the provided phosphor containing resin encapsulation part between the LED chips, the wavelength converted LED chip including a wavelength conversion layer obtained from the phosphor containing resin encapsulation part and formed on lateral surfaces and an upper surface of the wavelength converted LED chip, and removing the temporary support plate from the wavelength converted LED chip. | 07-17-2014 |
20140211505 | Backlight Structures and Backlight Assemblies for Electronic Device Displays - An electronic device may have a liquid crystal display with backlight structures. The backlight structures may produce backlight that passes through the display layers in the display. The display layers may include a layer of liquid crystal material interposed between a color filter layer and a thin-film transistor layer. The backlight structures may include a light guide plate. A plurality of light-emitting diodes mounted on a flexible printed circuit may be coupled to an edge of the light guide plate. The flexible printed circuit may be curled into a spring element to bias the light-emitting diodes against the edge of the light guide plate. A plurality of gaps may be formed in the flexible printed circuit and may be used to separate and mechanically decouple adjacent light-emitting diodes. Individual light-emitting diodes may independently register to the light guide plate to maximize optical efficiency in the display. | 07-31-2014 |
20140218967 | BACKLIGHT SYSTEM - A backlight system includes a first light guide layer, first light sources, a second light guide layer and second light sources. The first light sources are configured to emit first light into the first light guide layer. The second light guide layer is arranged on a first surface of the first light guide layer. The second light guide layer contains light-excited fluorophores. The second light sources are configured to emit second light into the second light guide layer in synchronization with the emission of the first light sources. | 08-07-2014 |
20140218968 | PLANAR LIGHTING DEVICE - A planar lighting device includes a light guide plate and a side-emitting lighting module. The light guide plate includes a light emission surface, a back light surface, and at least one side surface. The back light surface is opposite to the light emission surface, and the side surface extends between the light emission surface and the back light surface. The side-emitting lighting module is embedded into the light guide plate, such that the side-emitting lighting module emits light toward the side surface of the light guide plate. The light is then guided by the light guide plate and emerges from the light emission surface of the light guide plate. | 08-07-2014 |
20140218969 | ILLUMINATION DEVICE WITH MULTI-LAYERED HEAT SINK - The present invention relates to an illumination device where a number of light sources are arranged on a heat sink and adapted to emit light in substantially the same direction. The heat sink comprises a first cooling plate and a second cooling plate and a first part of the light sources are arrange on the first cooling plate and a second part of the light sources are arranged on the second cooling plate. The first and second cooling plates are further separated by a distance and a flow channel is defined there between. The flow channel allows cooling fluid to flow between the first cooling plate and the second cooling plate whereby the light sources can be cooled by the cooling fluid. The heat sink comprises further a number of light passages allowing light to propagate from the second cooling plate, towards the first cooling plate and through the first cooling plate. The present invention relates also to a method of cooling light sources emitting light in substantially the same direction. | 08-07-2014 |
20140218970 | LIGHT GUIDE PLATE, BACKLIGHT SOURCE AND LIQUID CRYSTAL DISPLAY DEVICE - A light guide plate used for an LED backlight source. The LED backlight source comprises a plurality of LED lamps. The light guide plate comprises a light guide plate body ( | 08-07-2014 |
20140241006 | LIGHT PLATE ASSEMBLY - A light plate assembly having minimal light leakage and uniform luminosity. The light plate assembly has a housing, a trough within the housing and a cover. The cover has a transparent window with an opaque side edge that prevents undesired light leakage between an outer surface of the transparent window and a base frame of the cover. The transparent window also has a length and a width, and a length-to-width ratio of greater than 10:1. In addition, luminosity variation along a length of the transparent window is less than 20%, and in some instances less than 10%. | 08-28-2014 |
20140247621 | LIGHT EMITTING DEVICE - To provide a light emitting device that makes it possible to form a surface light emitting apparatus of less unevenness in luminance. | 09-04-2014 |
20140254197 | WARNING DEVICE - The present invention provides a warning device, which includes a housing; a bottom cover, an accommodation space is formed through the bottom cover being engaged with the housing; a first light guide plate formed with a plurality of first light guide strips; a second light guide plate formed with a plurality of second light guide strips, and the arranged direction of the plural second light guide strips is perpendicular to the arranged direction of the plural first light guide strips; a light source module installed with at least a LED; and a switch module installed with a printed circuit board, the printed circuit board is provided with a switch and a microcontroller, when the switch is pressed, the microcontroller drives the LED for enabling a plurality of pointy light sources to be formed and emitted through the first light guide plate. | 09-11-2014 |
20140254198 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A backlight unit and a liquid crystal display having the same. The backlight unit includes a lower cover, an interconnection coupling hole, an inverter board, and an interconnection. The lower cover accommodates a printed circuit board, which mounts at least one light emitting diode thereon and is provided at one side thereof with a first connector. The interconnection coupling hole is formed in a bottom surface of the lower cover at a position corresponding to the first connector. The inverter board is disposed on a rear surface of the lower cover to apply a driving voltage to the at least one light emitting diode. The interconnection is provided at one end thereof with a second connector to electrically connect the printed circuit board to the inverter board. A coupling part of the first connector coupled to the second connector is directed to the interconnection coupling hole, so the assembling time of the backlight unit and the liquid crystal display is reduced, thereby improving the productivity of the backlight unit and the liquid crystal display. | 09-11-2014 |
20140268874 | Edgelit Multi-Panel Lighting System - A lighting system can include a lightguide having an edge and two major surfaces. The lightguide can be mounted in a frame so that one of the major surfaces faces towards an area to be illuminated, while the other major surface faces away from the area. LEDs can couple light into the lightguide edge, with the coupled light emitting from both major surfaces. Light emitted from the major surface that faces away from the area to be illuminated can be reflected back into the lightguide by a reflective surface. The reflective surface can be separated from the lightguide by an air gap. The air gap can promote internal reflection at the major surface facing away from the area to be illuminated, thereby enhancing homogeneity and output of light towards the area to be illuminated. The frame can include integral wireways, reflector retention clips, and grounding circuitry. | 09-18-2014 |
20140268875 | Shaped Optical Waveguide Bodies - Disclosed is an optical waveguide body having a first surface that includes one or more tapered portions displaced between an input surface and an end surface or edge of the waveguide body. A second surface displaced from and opposite the first surface may also include one or more tapered portions between the input surface wherein the furthest tapered portions of the first and second surface forms and end surface or edge. | 09-18-2014 |
20140268876 | ADVERTISEMENT DISPLAY DEVICE HAVING 3D SHEET - Disclosed is an advertisement display device having a 3D sheet. The advertisement display device having the 3D sheet comprises: a substrate; a backlight unit which is provided on the substrate and irradiates light; and a 3D sheet which is provided on the backlight unit to implement a 3D image by the light irradiated from the backlight unit. | 09-18-2014 |
20140293650 | COMPONENT LIGHTING SYSTEM - A component lighting system allows for easy installation, removal, and reconfiguration. The system allows individual elements to be readily replaced and allows new components to be readily added to the system. The system can be removed from one installation, broken down into its individual elements, and installed in a new installation with the same or a different configuration. The electric conductors of the system are encased within conduit and junction boxes rated for high voltage systems such as traditional 110V or 220V lighting systems so that the system is compatible with both traditional line voltage AC systems and low voltage DC LED systems. The junction boxes and conduit are plenum-rated such that the system to be installed above a drop ceiling while conforming to most existing building codes. | 10-02-2014 |
20140301106 | APPLIANCE DISPLAYS HAVING MODULAR LIGHT GUIDES AND METHODS OF ASSEMBLING THE SAME - Example appliance displays having modular light guides and methods of assembling the same are disclosed. An example appliance display includes a printed circuit board having a side-fire light emitting diode attached to a surface of the printed circuit board, a frame having a plurality of heat stakes to operatively connect the printed circuit board to the frame, and a light guide inserted into an opening defined in the frame, wherein the light guide guides light emitted by the light emitting diode through the opening defined in the frame, and wherein the printed circuit board retains the light guide in the opening when the printed circuit board is heat staked to the frame. | 10-09-2014 |
20140301107 | LIGHTING APPARATUS AND DISPLAY APPARATUS - A lighting apparatus of the present disclosure includes: a light source device having one or more light emitting diodes; a board on which the light source device is provided; a light guide plate having an entrance surface facing a light exit surface of the light source device to allow entry of light therefrom, and a light emission surface which emits the light having entered through the entrance surface, the light guide plate configured to propagate the light having entered through the entrance surface and emit the light through the light emission surface; and an engagement member fixed on the board and engaging the board with the light guide plate, the engagement member configured to prevent relative motion, between the board and an engaged portion of the light guide plate engaged with the board, in a direction in which the light exit surface and the entrance surface face each other. | 10-09-2014 |
20140307472 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate includes a light emitting surface, a bottom surface opposite to the light emitting surface, a first side surface, a second side surface, and a light incident surface. The first side surface and the second side surface connect the light emitting surface to the bottom surface. The light incident surface is connected to the light emitting surface, the bottom surface, the first side surface, and the second side surface. A plurality of V-shaped grooves is defined in the bottom surface. The V-shaped grooves form concentric arcs, sectional surfaces of the V-shaped grooves along radial directions of the concentric arcs are isosceles triangles, and a top angle of each of the isosceles triangles is equal to about 80 degrees. | 10-16-2014 |
20140313773 | LIGHT GUIDE PLATE FIXING STRUCTURE AND A BACKLIGHT MODULE USING THE SAME - A light guide plate fixing structure and a backlight module using the same, comprising a first abutting wall formed at the side edge of the light guide plate, a second abutting wall formed on the backplane, and a constant-force spring arranged between the first abutting wall and the second abutting wall; the constant-force spring has a fixing end and a support end, the fixing end being fixed on the first abutting wall, the support end forming an elastic foot that abuts against the second abutting wall, with the light guide plate being fixed with the help of the elastic force produced by bounce of the constant-force spring after being pre-compressed: when the light guide plate is expanded, it can push the spring away and be released and expanded; when the light guide plate is contracted, rebound of the spring will make the spring move with the light guide plate. | 10-23-2014 |
20140313774 | LIGHTING ASSEMBLY - The light fixture includes a frame, an optically transmissive panel assembly, a set of light emitting diodes (LEDs), and driving circuitry. The frame has a frame length measured along a length axis and a frame width measured along a width axis, wherein the frame length is greater than the frame width. The optically transmissive panel assembly receives light from the set of light emitting diodes (LEDs) and emits light from an emission area in a patterned luminous intensity, using patterning optics adjacent a light guide plate. The driving circuitry is disposed within the frame and is operatively coupled to the set of LEDs and to a power supply external to the light fixture. The driving circuitry may include a first circuitry segment disposed within a first edge channel of the frame, and a second circuitry segment disposed within a second edge channel of the frame. | 10-23-2014 |
20140313775 | LED LIGHT FIXTURE AND ASSEMBLY METHOD THEREFOR - An LED panel light fixture and method for assembling the same includes (a) selecting a set of specifications of the LED panel light fixture, the set of specifications comprising a fixture/base specification comprising a form factor of the LED panel light fixture; and a top specification comprising a visual feature of a top in accordance with the top specification; (b) providing a knock-down kit having parts including the top in accordance with the top specification, a frame in accordance with the fixture/base specification, an optically transmissive panel assembly, a set of light emitting diodes (LEDs), and driving circuitry; and (c) assembling the LED panel light fixture using parts of the knock-down kit. An LED panel lighting fixture kit includes a top and a base. The base includes a mounting mechanism that is accessible before joining the top to the base, but not accessible after joining the top to the base. | 10-23-2014 |
20140313776 | Edge-lit Light Fixture - An edge-lit light fixture includes a first edge-lit light guide panel that has a first light guide. The edge-lit light fixture also includes a second edge-lit light guide panel that has a second light guide. The edge-lit light fixture further includes a center spine that has a protrusion. The first edge-lit light guide panel and the second edge-lit light guide panel are positioned on opposite sides of the protrusion. The protrusion separates a narrow edge of the first light guide from a narrow edge of the second light guide. A portion of the protrusion is positioned below the first light guide and the second light guide. | 10-23-2014 |
20140321161 | Backlight Module and Fixture Thereof - The present invention is related to a technology of liquid crystal display, and specially to a fixture incorporated in a backlight module for the liquid crystal display. The fixture for backlight module comprises a backboard having a bottom board, a sidewall, and a bent portion. The sidewall has a first end and a second end, and the bottom board being interconnected with the first end. The bent portion is interconnected to the second end, and arranged on an outside of the sidewall, and creates an angle with respect to the sidewall. A plastic frame is defined with opening aligned and enveloped onto the bent portion so as to securely assemble the plastic frame to the backboard. The advanced and preferred interengagement between the backboard and the plastic frame can not only readily implement into the backlight module in which the light strip and backboard are made individually, but also can be fitted into the backlight module in which the backboar is integrally formed with driving circuit for light strip. The fixture can be readily facilitated by the existing technology and the assembly is easy while the overall configuration is robust and durable. | 10-30-2014 |
20140328083 | LIGHT EMITTING DEVICE PACKAGE AND BACKLIGHT UNIT COMPRISING THE SAME - Disclosed is a light emitting element package having excellent heat radiation performance and high luminance, and a backlight unit including the same. The light emitting element package includes a package including a lead frame, a light emitting element provided on the lead frame, and a molded material combined with the lead frame and having an opening for emitting light generated by the light emitting element, and a reflection structure having an opening corresponding to the opening of the molded material, and contacting the molded material. | 11-06-2014 |
20140340935 | BACKLIGHT MODULE HAVING NON-DOT AREA AND LIGHT GUIDE PLATE USING SAME - A light guide plate includes a light mixing part and a visual part. The light mixing part includes a light mixing bottom surface, a light incident surface, and a top surface opposite to the light mixing bottom surface. The light incident surface is substantially perpendicular to the light mixing bottom surface and the top surface. The visual part is adjoined to the light mixing part and includes a visual bottom surface and a light emitting surface opposite to the visual bottom surface. The visual bottom surface and the light mixing bottom surface are substantially coplanar and are divided by an imaginary adjoining line. The top surface and the light emitting surface are substantially coplanar. The visual bottom surface has at least one non-dot area. The visual bottom surface forms a plurality of reflective dots except for the non-dot area. | 11-20-2014 |
20140347885 | Optical Waveguide Bodies and Luminaires Utilizing Same - According to one aspect, a luminaire comprises a waveguide body including a central section and first and second separate side sections extending away from the central section along first and second opposed directions, respectively. The central section includes a coupling portion and the waveguide body has a length and includes a plurality of light extraction features that extract light out of the side sections. At least one LED is disposed adjacent the coupling portion and is operated by a power circuit to produce light that is directed into the waveguide body by the coupling portion. At least one structural member extends along the length of the waveguide body for supporting the waveguide body and encloses at least one of the power circuit and the at least one LED. | 11-27-2014 |
20140355305 | POINT LIGHT SOURCE, PLANAR LIGHT SOURCE DEVICE, AND DISPLAY DEVICE - An envelope of a point light source includes first to fourth surfaces. The first surface protrudes ahead of a light-emitting element and extends to a left side and a right side of the light-emitting element when viewed from the light-emitting element. The second surface is connected to the first surface on the left side and the right side of the light-emitting element and is in contact with the light-emitting element. The third surface is connected to an upper end of the first surface and an upper end of the second surface and forms a first depression that sinks from the first surface toward the second surface. The fourth surface is connected to a lower end of the first surface and a lower end of the second surface and forms a second depression that sinks from the first surface toward the second surface. | 12-04-2014 |
20140355306 | LIGHT EMITTING DEVICE ARRAY AND BACKLIGHT UNIT - A light emitting device array includes a substrate including a first region and a second region that is inclined with respect to the first region, a first light emitting device package arranged on the first region, and a second light emitting device package that is arranged on the second region and is inclined with respect to the first light emitting device package at an inclination angle between 90° and 160°. | 12-04-2014 |
20140362602 | PANEL LIGHT ASSEMBLY - A panel light assembly for use with a support frame including at least first and second support frame members, the assembly comprising an assembly frame including at least a first assembly frame member and a second assembly frame member spaced apart on opposite sides of a frame space, the first assembly frame member forming a channel, a light source supported by the first assembly frame member within the channel, a light guide member including at least one edge, the light guide supported by the first and second assembly frame members within the frame space with at least a portion of the at least one edge located adjacent the light source, a fastener for fastening the assembly frame to the first and second support frame members. | 12-11-2014 |
20140362603 | LIGHT SOURCE MODULE AND BACKLIGHT UNIT HAVING THE SAME - Disclosed is a light source module capable of realizing a slim structure and providing excellent luminous efficiency. The light source module includes a circuit board, a light emitting diode chip mounted on the circuit board by flip-chip bonding or surface mount technology (SMT), a wavelength conversion layer disposed on the light emitting diode chip, and a reflector covering an upper surface and at least one of side surfaces of the light emitting diode chip. | 12-11-2014 |
20140369071 | ILLUMINATED DISPLAY BOARD HAVING AN ANGLED LIGHT SOURCE - An illuminated display board includes a frame, a light-transmissive panel, and a light source. The light source is positioned within the frame, and adjacent the light-transmissive panel. The light source is oriented at an angle of between about 25 degrees and about 50 degrees with respect to the light-transmissive panel. | 12-18-2014 |
20140376266 | FLAT PANEL LIGHTING DEVICE - The light fixture includes a frame, a substantially flat light emitting diode (LED) panel disposed within the frame, power circuitry disposed within at least one of a number of channels within the frame, and a central wire-way. The frame includes a bottom assembly and a top assembly coupled to the bottom assembly. The bottom assembly and the top assembly cooperate to form the channels within the frame. The bottom assembly has a back surface. The power circuitry is configured to electrically couple the substantially flat LED panel to an external AC power supply. The central wire-way is disposed adjacent the back surface of the bottom assembly and configured to route wiring to or from the power circuitry disposed within at least one of the channels within the frame. | 12-25-2014 |
20140376267 | FLAT PANEL LIGHTING DEVICE - The light fixture includes a frame with a bottom assembly and a top assembly coupled to the bottom assembly. The bottom assembly and the top assembly cooperate to form a plurality of channels within the frame. A substantially flat light emitting diode (LED) panel is disposed within the frame. Power circuitry is disposed within at least one of the plurality of channels within the frame. The power circuitry is configured to electrically couple the substantially flat light emitting diode (LED) panel to an external AC power supply. A wire compartment is disposed within at least one of the plurality of channels within the frame. The wire compartment is configured to house wiring electrically coupled to the external AC power supply. | 12-25-2014 |
20150009713 | DISPLAY DEVICE - A display device includes: a light guide member under the display panel and including a light incident surface; a heat discharge member including a heat discharge surface which extends in a first direction opposite to the light incident surface of the light guide member, and a first flat surface which extends in a second direction from the heat discharge surface; and a light source on the heat discharge member, which provides light to the light incident surface and includes a light emitting device on the heat discharge surface and including a light emitting surface opposite to the light incident surface, a circuit board on the first flat surface of the heat discharge member and electrically connected to the light emitting device, and a heat discharge portion on the heat discharge member and which couples the light emitting device to the heat discharge surface of the heat discharge member and discharges a heat generated from the light emitting device. | 01-08-2015 |
20150016147 | LED TUBE WITH LIGHT REFLECTIVE FACE - An LED tube includes a light guide, an LED and a reflector. The light guide includes a light incident face at an end thereof and a light emerging face adjacent to the light incident face. The reflector is mounted on an opposite end of the light guide. The reflector forms a light reflective face facing the light guide to reflect light backward into the light guide. | 01-15-2015 |
20150016148 | LIGHT GUIDING PLATE AND LIGHT GUIDING DEVICE INCLUDING THE SAME - A light guiding plate and a light guiding device are provided, and the light guiding plate is implemented in the light guiding device. The light guiding device includes a side light source emitting light to the light guiding plate. The light guiding plate includes a first surface, a second surface and a third surface. The second surface is opposite to the first surface, and the third surface is adjacent to the first surface and the second surface. The second surface includes plural light guiding units, and each of the light guiding units includes a total reflection concavity and a light emitting convexity. The light emitting convexity surrounds the total reflection concavity. | 01-15-2015 |
20150023059 | BACKLIGHT MODULE - The present invention provides a backlight module, which includes: a backplane ( | 01-22-2015 |
20150023060 | ILLUMINATION APPARATUS CONFINING LIGHT BY TOTAL INTERNAL REFLECTION AND METHODS OF FORMING THE SAME - In various embodiments, an illumination apparatus includes an air gap between a sub-assembly and a waveguide attached thereto at a plurality of discrete attachment points, as well as a bare-die light-emitting diode encapsulated by the waveguide. | 01-22-2015 |
20150029753 | LIGHTING DEVICE AND DISPLAY DEVICE HAVING THE LIGHTING DEVICE - Provided is a lighting device, including: a circuit board in which light emitting elements are mounted to one surface of a supporting substrate; a substrate housing disposed to be spaced apart from another surface opposite to the one surface of the supporting substrate; and a distance regulating portion formed between the circuit board and the substrate housing to adjust a spaced distance between the circuit board and the substrate housing according to movement of the circuit board, wherein the distance regulating portion functions to fix the circuit board to the substrate housing via a fixing element formed in the circuit board and the substrate housing. | 01-29-2015 |
20150036383 | BACKLIGHT MODULE - A frame structure for a back light module includes a horizontal base plate, a vertical back plate that has a bottom end connected to an upper side of the base plate, and an elongated horizontal through hole formed in a predetermined zone between ⅓ and ¼ of a vertical height of the back plate from the bottom end, and a heat sink that extends from the upper side of the base plate and that has a top end which is below a bottom end of the horizontal through hole. The backlight module further includes a light source disposed on the upper side of the base plate and a light guiding plate disposed to correspond in position to the light source for receiving light emitted from the light source. | 02-05-2015 |
20150049509 | Lighting System with Improved Illumination Distribution - Optically patterned waveguides and systems employing optically pattered waveguides are provided. The optically patterned waveguide is configured for use in a lighting system and arranged perpendicular to an overhead structure, such as a ceiling. The optically patterned waveguide includes major surfaces that are patterned with a plurality of elongated facets formed into the major surfaces and extending in a direction parallel to the length of the waveguide. The optically patterned waveguide provides illumination patterns having increased uniformity. | 02-19-2015 |
20150049510 | RADIATION-EMITING SEMICONDUCTOR COMPONENT, LIGHTING DEVICE AND DISPLAY DEVICE - A radiation-emitting semiconductor component including a volume-emitting semiconductor chip including a first main surface and a second main surface opposite the first main surface, a first reflective element arranged at the first main surface and reflects electromagnetic radiation emerging through the first main surface during operation of the semiconductor chip back to the first main surface, a second reflective element arranged at the second main surface and reflects electromagnetic radiation emerging through the second main surface during operation of the semiconductor chip back to the second main surface, and at least one radiation exit surface through which electromagnetic radiation generated during the operation of the semiconductor component emerges from the semiconductor component, wherein the at least one radiation exit surface runs transversely with respect to the first main surface and the second main surface of the semiconductor chip. | 02-19-2015 |
20150049511 | Waveguide Having Unidirectional Illuminance - A luminaire includes an optical waveguide having a first surface and a second surface opposite the first surface, and a light source associated with the optical waveguide. At least about 80% of light produced by the light source is directed by the waveguide into an illumination distribution emitted from the first surface of the optical waveguide. | 02-19-2015 |
20150049512 | FLAT PANEL LIGHTING DEVICE AND DRIVING CIRCUITRY - The light fixture includes a frame configured to define a first channel, and a substantially flat light emitting diode (LED) panel disposed within the frame. Power circuitry is disposed within the first channel, the power circuitry being configured to electrically couple the substantially flat LED panel to an external AC power supply. The power circuitry is sized to be positioned within the first channel and has a length and a width, the length-to-width ratio being at least 5 to 1, and optionally at least 10 to 1. The power circuitry is configured to convert an AC input into a DC output suitable for powering the substantially flat light emitting diode (LED) panel. The substantially flat light emitting diode (LED) panel includes an optically transmissive panel, and an array of LEDs disposed adjacent to an edge of the optically transmissive panel and disposed adjacent at least one edge of the frame. | 02-19-2015 |
20150055370 | LIGHT-EMITTING DIODE EDGE LIGHTED AIRFIELD GUIDANCE SIGN - A light-emitting diode (LED) airfield guidance sign is disclosed herein. The sign can include a waveguide having a first face and a first fastening mechanism disposed on a first outer perimeter of the waveguide adjacent to the first face. The sign can also include a front panel coupled to the first outer perimeter adjacent to the first face of the waveguide. The sign can further include at least one first LED array disposed adjacent to an edge of a plurality of edges of the waveguide, where the edge of the waveguide is substantially orthogonal to the first face of the waveguide. The sign can also include a pair of side frame supports that secures two opposing edges of the plurality of edges of the waveguide and the front panel. The sign can further include a power source that provides power to the at least one first LED array. | 02-26-2015 |
20150055371 | Luminaire with Selectable Luminous Intensity Pattern - A luminaire comprises at least one waveguide having a first region that emits a first luminous intensity pattern and a second region that emits a second luminous intensity pattern different from the first luminous intensity pattern. The luminaire further includes a plurality of LED elements and circuitry to control the plurality of LED elements to cause the luminaire to produce a selected one of a plurality of luminous intensity patterns. | 02-26-2015 |
20150085527 | LIGHT SOURCE MODULE, FABRICATION METHOD THEREFOR, AND BACKLIGHT UNIT INCLUDING THE SAME - A light source module, a fabrication method therefore, and a slim backlight unit including the same. The light source module includes a light emitting diode (LED) chip electrically connected to a substrate through a lower surface thereof, a wavelength conversion layer formed on the LED chip and enclosing at least the light exit face of the LED chip, and a reflector formed on a region of the LED chip excluding the light exit face. | 03-26-2015 |
20150085528 | FLAT PANEL LIGHTING DEVICE AND DRIVING CIRCUITRY - The light fixture includes a frame, wherein at least a portion of the frame defines a first channel and a second channel, and the frame has a thickness of no more than about 1.0 inches. The light fixture includes a substantially flat light emitting diode (LED) panel disposed within the frame, and power circuitry disposed within the frame. The power circuitry includes a first LED driver sized to be positioned within the first channel, and a second LED driver sized to be positioned within the second channel. The power circuitry is configured to electrically couple the substantially flat LED panel to an external power supply. The first LED driver and the second LED driver are configured to convert an AC input into a DC output suitable for powering the substantially flat LED panel. | 03-26-2015 |
20150085529 | WHITE LIGHT EMITTING DEVICE AND DISPLAY APPARATUS - A white light emitting device includes: a blue light emitting diode (LED) which emits blue light; and a resin packing unit which encapsulates the blue LED, wherein the resin packing unit includes a first wavelength conversion material which, in response to being excited by the blue light, emits green light, a second wavelength conversion material which, in response to being excited by the blue light, emits red light, and a complex compound which absorbs light of a region in which the green light and the red light are mixed, the light of the region being included in white light implemented through a mixture of the green light and the red light excited together with the blue light. | 03-26-2015 |
20150098249 | GUIDE PLATE AND BACKLIGHT ASSEMBLY INCLUDING THE SAME - Disclosed is a light guide plate including a base sheet and a first light transmissive adhesive layer disposed on a surface of the base sheet. The first light transmissive adhesive layer together with the base sheet define a light entrance portion. The thickness of the first light transmissive adhesive layer becomes gradually smaller from the light entrance portion toward a center portion of the base sheet. A backlight assembly includes the light guide plate. | 04-09-2015 |
20150103558 | LED Panel Light - A LED panel light comprises an optical layer structure, including a top side, a bottom side and an edge and at least two substantially plate-shaped layers arranged on top of one another, and further comprises LEDs as light source, the LEDs being arranged at the edge of the layer structure and radiating light into the layer structure at the side, and further comprises a housing frame and at least one seal. The seal encloses the LEDs and the edge of the layer structure, the seal being in contact with the top side and the bottom side of the layer structure and resting against or on the housing frame so the seal seals the layer structure against the housing frame, the housing frame and the layer structure being clamped relative to one another such that the seal is pressed against the top side and the bottom side of the layer structure. | 04-16-2015 |
20150103559 | BACKLIGHT ASSEMBLY AND LIQUID CRYSTAL DISPLAY - Disclosed herein are a backlight assembly and a liquid crystal display (LCD) having the same, wherein the backlight assembly includes a light guide panel having a plurality of lateral sides; and a plurality of light source units each emitting light to a respective lateral side of the plurality of lateral sides, wherein at least two lateral sides of the plurality of lateral sides, which receive light emitted from two respective light source units of the plurality of light source units, are neighboring lateral sides, and wherein at least one lateral side is longer than an incident surface which receives light emitted from the light source unit. | 04-16-2015 |
20150109822 | ILLUMINATION CONVERTER - The disclosure generally relates to illumination converters that are capable of converting light from one geometrical format to another. In particular, the described illumination converters are capable of converting a circular source such as an LED to a linear source useful in an edgelit waveguide, which can be used in a backlight for a display. The converter consists of a waveguide plate ( | 04-23-2015 |
20150117058 | LED TUBE WITH LIGHT GUIDING PLATE - An LED tube includes an envelope, three light guiding plates received in the envelope, three LEDs mounted on the light guiding plates, and two covers fixed to two opposite ends of the envelope. The three light guiding plates each have an end face confronting a corresponding LED, an inner face having a plurality of dots formed thereon and an outer face opposite to the inner face. Light emitted by each LED is diffused by the dots of a corresponding light guiding plate to radiate outside uniformly. | 04-30-2015 |
20150117059 | MULTIDIRECTIONAL LIGHTING MODULE FOR IMPLEMENTING MULTIPLE COLORS AND ELECTRONIC DEVICE HAVING THE SAME - A multidirectional lighting module for implementing multiple colors and an electronic device having the same are provided. The multidirectional lighting module includes Light Emitting Diodes (LEDs), a circuit board on which the LEDs are mounted, and a light guide plate that emits light incident from the LEDs in at least two directions. This can make a notification light emit light in at least two directions and various colors can be implemented through one light guide plate. Furthermore, various embodiments can be made based on the spirit of the present disclosure. | 04-30-2015 |
20150124483 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes a display panel configured to display an image using light, a backlight assembly including a light source unit configured to generate the light, a lower receiving container including a bottom portion covering a lower surface of the light source unit and a side wall extended from an edge of the bottom portion, and a mold frame including a transmission portion between and facing a upper surface of the light source unit and the display panel, and a supporting portion facing a side surface of the lower receiving container, and a cover member covering a side surface of the mold frame and a lower surface of the lower receiving container. | 05-07-2015 |
20150131320 | BACKLIGHT MODULE - A backlight module including a light guide plate is disclosed. The light guide plate has a light emitting plane, a bottom plane opposite to the light emitting plane and a light incident plane connecting the light emitting plane and the bottom plane, a plurality of arc protrusions disposed on the first light incident plane; and a transparent layer disposed upon each of the arc-protrusions. In the backlight module, an LED bar is disposed near to the light incident plane of the light guide plate, and the LED bar has a plurality of LED light sources corresponding to the arc-protrusions of the light guide plate, respectively. | 05-14-2015 |
20150131321 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS INCLUDING THE SAME - A backlight assembly includes a plurality of first light sources configured to emit a first color, and a plurality of second light sources configured to emit a second color different from the first color, where the backlight assembly is divided in a first boundary area, a second boundary area spaced apart from the first boundary area in a first direction, and a middle area between the first boundary area and the second boundary area, and an arrangement direction of first and second light sources of the plurality of first and second light sources in the first and second boundary areas is different from an arrangement direction of first and second light sources of the plurality of first and second light sources in the middle area. | 05-14-2015 |
20150138835 | LIGHT GUIDE PLATE, METHOD FOR MAKING THE SAME, BACKLIGHT MODULE, AND DISPLAY DEVICE - Embodiments of the invention provide a light guide plate comprising a light guide layer and a reflective layer; a lower surface of the light guide being a reflective surface; an upper surface of the light guide layer being a stepped surface and comprising an upper step surface, a lower step surface and an inclined surface connecting the upper step surface and the lower step surface; wherein the lower step surface is a light exiting surface and the reflective surface is coated on the inclined surface. Embodiments of the invention further provide a method for manufacturing the light guide plate, a backlight module provided with such a light guide plate, and a display device provided with such a backlight module. | 05-21-2015 |
20150146453 | PLANAR LIGHT SOURCE DEVICE AND DISPLAY DEVICE HAVING THE SAME - A planar light source device includes a housing having an opening, point light sources arranged on at least one side surface in the housing, a light guide plate arranged in the housing and having a light-emitting surface facing the opening and a counter-emitting surface being opposite to the light-emitting surface, a reflecting sheet arranged on the counter-emitting surface side of the light guide plate in the housing, and a reflecting region arranged on at least a part of a peripheral portion of the point light sources on the side surface on which the point light sources are arranged in the housing and absorbing light having at least some wavelength. | 05-28-2015 |
20150293295 | FLAT PANEL LAMP - A flat panel lamp according to the invention comprises a light guide structure, at least a reflector member, at least a diffusion member and a light source module. The light guide structure has a bottom surface, an illuminating surface corresponding to the bottom surface, and a side surface located between the bottom surface and the illuminating surface. The reflector member is located at the bottom surface of the light guide structure. The diffusion member is located between the light guide structure and the reflector member. The light source module is located at the side surface of the light guide structure. The problem of non-uniform brightness can be resolved by the diffusion member, and the luminance intensity of the whole flat panel lamp can also increased. | 10-15-2015 |
20150330585 | LED LIGHT STRIP, BACKLIGHT MODULE AND DISPLAY DEVICE - The embodiments of the present invention provide an LED light strip, a backlight module, and a display device. The LED light strip includes a circuit board and further includes a plurality of LED illuminants that are electrically connected to the circuit board. The plurality of LED illuminants are arranged on the upper surface of the circuit board along a first direction, and intervals between the light-emitting centers of any two adjacent LED illuminants are not completely equal. The plurality of LED illuminants include light output surfaces perpendicular to the upper surface, wherein the light output surface of at least one LED illuminant is deflectively set at an acute angle with respect to the first direction or the reverse direction of the first direction. | 11-19-2015 |
20150331177 | BACKLIGHT MODULE AND DISPLAY DEVICE - The present disclosure provides a backlight module and a display device. The backlight module includes a light guide plate; an optical sheet arranged on one side of the light guide plate and provided with a first positioning part at an edge position of the optical sheet; and a mold frame arranged on the periphery of the light guide plate, wherein the mold frame includes at least a coverage part, which is located at one side of the optical sheet far away from the light guide plate and covers the edge position of the optical sheet, and a second positioning part used for coordinating with the first positioning part to realize positioning of the optical sheet is arranged on a surface of the coverage part facing the optical sheet. | 11-19-2015 |
20150346425 | ILLUMINATION DEVICE, DISPLAY DEVICE AND TV RECEIVER - Provided is a backlight device that includes: LEDs; a LED substrate; a light guide plate having a light-exiting surface, an opposite surface on an opposite side of the light-exiting surface, and a light-receiving face; a chassis; a frame; a heat dissipating member having a bottom part and a raised part; a pair of fixing members, each having a gripping part that extends along a long-side direction of the raised part and that grips each end in the long-side direction of the raised part in a direction perpendicular to a plate surface of the raised part, and a locking part that extends along the long-side direction of the raised part and that is locked to each of side faces adjacent to the light-receiving face of the light guide plate on a side of the light-receiving face. The pair of fixing members keeps a distance between the LED substrate and the light guide plate constant by fixing a distance between the gripping part and the locking part. | 12-03-2015 |
20150362664 | BACKLIGHT COMPONENT - A backlight component includes a back plate, a fastening module, a light source and a light-guiding plate. The fastening module includes a first plate, a second plate and a third plate. The first plate, the second plate and the third plate define a receiving space. The light source is securely assembled at one side of the second plate and facing toward the receiving space. The light-guiding plate is slidably assembled in the receiving space of the fastening module, and sandwiched between the first plate and the third plate. Accordingly, when the thickness of the light-guiding plate is changed, only the second plate of the fastening module need be changed; additionally, the length of the fastening module can be normalized to apply for display devices with different sizes. Consequently, the manufacturing cost of display devices can be reduced, and the fastening module is applicable to different kinds of display devices. | 12-17-2015 |
20150368146 | ALUMINOSILICATE GLASSES - Compounds, compositions, articles, devices, and methods for the manufacture of light guide plates and back light units including such light guide plates made from glass. In some embodiments, light guide plates (LGPs) are provided that have similar or superior optical properties to light guide plates made from PMMA and that have exceptional mechanical properties such as rigidity, CTE and dimensional stability in high moisture conditions as compared to PMMA light guide plates. | 12-24-2015 |
20150369996 | BACKLIGHT MODULE - A backlight module including a light guide plate, a circuit layer and at least one light source. The light guide plate includes a first surface, a second surface parallel and opposite to the first surface, and a recess disposed at a side edge of the light guide plate and including a third surface parallel to the first surface and the second surface. | 12-24-2015 |
20150370003 | LIGHT STRIP, BACKLIGHT AND DISPLAY DEVICE - The present disclosure relates to a light strip, comprising a substrate and a plurality of LED lights provided on the substrate, wherein, at least two rows of LED lights are provided on the substrate, two adjacent rows of LED lights are staggered arranged. The present disclosure further relates to a backlight and a display device. | 12-24-2015 |
20150370004 | BACKLIGHT, BACKLIGHT MODULE AND DISPLAY DEVICE - The invention discloses a backlight, a backlight module and a display device, belonging to the field of display technology. The backlight includes a plurality of LED lamps, a flexible circuit board for supplying power to the LED lamps and a supporting plate for supporting the flexible circuit board, wherein the flexible circuit board is arranged below the LED lamps, and the supporting plate is arranged below the flexible circuit board and is in a bent shape. In the present invention, by designing the supporting plate to be in a bent shape, it is no longer required to have to employ the existing linear backlight with a single structure, and meanwhile, the contact area between the supporting plate and air is enlarged to improve the heat dissipation effect of the backlight. | 12-24-2015 |
20150370005 | LIGHT GUIDE STRUCTURE AND BACKLIGHT MODULE - A backlight module including a light source module and a light guide structure is provided. The light source module includes a base, at least one light source and a first circuit layer. The base includes a carrying surface. The at least one light source is mounted on the carrying surface. The first circuit layer is integrated with the carrying surface and electrically connected to the light source. The light guide plate includes an engaging surface and at least one recess. The engaging surface is engaged with the light source module. The recess is disposed at the engaging surface for receiving the light source, wherein a material of the light guide plate and a material of the base are the same. The second circuit layer is integrated with the engaging surface, and electrically connected to the first circuit layer. | 12-24-2015 |
20150377464 | LIGHTING DEVICE AND OPERATING METHOD THEREOF - A lighting device includes a rotating unit, a clutching unit releasably engaging the rotating unit, and a lighting unit connected to the rotating unit. The clutching unit is operable to move between a first position, where the clutching unit engages the rotating unit to limit rotation thereof, and a second position, where the clutching unit disengages the rotating unit to permit free rotation thereof. The lighting unit is adjustable to a desired illumination angle when the clutching unit is in the second position. The clutching unit is moved from the second position to the first position to position the lighting unit at the desired illumination angle. | 12-31-2015 |
20150378081 | Edgelit Lighting Fixture and Assembly - Embodiments described herein are directed to a lighting fixture including a lightguide that distributes light from a major surface, a light assembly including light sources arranged linearly, and a frame including a means for providing a force that urges the light assembly against an edge of the lightguide. A standoff or spacer can provide an air gap between a light source of the light assembly and the waveguide edge. In various embodiments, the lighting fixture may incorporate a spring, a spring finger, a spring clip, a screw, or other means for securing the light assembly against the edge of the lightguide. In this manner, substantially all light provided by the light assembly is emitted into the edge of the lightguide. The fixture is formed to accommodate tolerances among elements of the lighting fixture, while maintaining the light assembly securely against the edge of the lightguide. | 12-31-2015 |
20160003999 | BACKLIGHT UNIT AND DISPLAY DEVICE - A backlight unit ( | 01-07-2016 |
20160004008 | GUIDING LIGHT PLATFORM - A guiding light platform includes a frame having a side plate, a top light-transmitting plate covering top of the frame, a bottom plate covering bottom of the frame, a LED strip mounted on the frame, and a separation plate mounted between the LED strip and the bottom plate. A top inner portion of the side plate is formed with a slanted surface disposed underneath and at an angle with respect to a bottom surface of the top light-transmitting plate to thereby define a space for receiving therein a waterproof adhesive. | 01-07-2016 |
20160025320 | LED LIGHT STRIP, BACKLIGHT AND DISPLAY DEVICE - The LED light strip according to the present disclosure may include a circuit board and a plurality of LEDs which are arranged and spaced on the circuit board along a first straight line. A gap may be formed between two adjacent LEDs. Projections of two adjacent LEDs on a first projection plane may at least partially overlap, and the first projection plane may be a plane perpendicular to the circuit board and parallel to the first straight line. | 01-28-2016 |
20160033714 | BACKLIGHT MODULE AND DISPLAY DEVICE - The present invention provides a backlight module and a display device, relates to the field of display technology, and can solve the problem of inconvenience in sterilization of an existing touch screen. The backlight module of the present invention comprises a plurality of light sources, and the plurality of light sources comprise ultraviolet light sources for sterilization and display light sources for display. The present invention particularly applies to a touch screen display device. | 02-04-2016 |
20160035946 | LIGHT EMITTING DIODE PACKAGE STRUCTURE, BACKLIGHT MODULE AND DISPLAY DEVICE - The present disclosure provides a light emitting diode (LED) package structure, a backlight module and a display device, and relates to the field of display technologies. The LED package structure includes an encapsulation housing and an LED chip encapsulated in the encapsulation housing. The encapsulation housing is a polyhedron which includes at least one inclined plane. One inclined plane of the encapsulation housing is a light exiting surface of the LED package structure. | 02-04-2016 |
20160041331 | GLAZING UNIT COMPRISING A TRANSPARENT DISPLAY - A glazing unit includes a transparent display located in only one portion of the glazing unit, at least one light-guiding substrate located nearer the exterior than the display, at least one light source located on the periphery of the substrate, for example facing an edge face of the light-guiding substrate, and a light extraction device for extracting the light emitted by the light source. The light source may be formed from a plurality of light emitting diodes. | 02-11-2016 |
20160047969 | Optical Waveguide Body - An optical waveguide body includes first and second pluralities of light extraction features disposed on a first side of the waveguide body and adapted to direct light out of the waveguide body through a second side of the waveguide body opposite the first side. Each of the first plurality of light extraction features has a linear shape and each of the second plurality of light extraction features has at least one of a piecewise linear shape and a nonlinear shape. The piecewise linear shape comprises two adjacent planar surfaces with an angle therebetween of at least about 30 and at most about 180 degrees. The waveguide body further has a light coupling cavity. | 02-18-2016 |
20160047974 | LIGHT EMITTING ASSEMBLY AND BACKLIGHT MODULE - A light emitting assembly, a backlight module having the light emitting assembly, and a liquid crystal display (LCD) apparatus having the backlight module are provided. The light emitting assembly includes a rigid circuit board, a plurality of light emitting diode (LED) devices, and a flexible circuit board. The rigid circuit board has a plurality of external circuits isolated from one another. The LED devices are disposed on the rigid circuit board, and each of the external circuits is connected to a corresponding one of the LED devices. The flexible circuit board has a plurality of connecting lines, and each of the connecting lines is connected to at least two of the external circuits, so as to serially connect the LED devices that are connected to the external circuits. | 02-18-2016 |
20160053953 | Twinkling Door Hanger - A twinkling door hanger mainly includes: a main body, being 3D body modeling, a front side thereof having a pair of slots opposite to each other, a wall of each slot being configured with a light transmissive hole; at least two light guiding plates, stacked together and inserted in the slots in a separable way, each thereof having a light incidence face corresponding to the light transmissive hole, and a plate face of each light guiding plate perpendicular to the light incidence face having a decorative pattern, and the decorative pattern of each light guiding plate being staggered; and a circuit unit, fixed to one side of the main body, having a control circuit in connection with a battery and providing electricity, at least having two light-emitting elements and a control circuit adapted to control each light-emitting element to wink in sequence, each light-emitting element illuminating toward the corresponding light incidence face. Whereby, allowing the present invention to achieve an effect of the staggered twinkle of the decorative patterns. | 02-25-2016 |
20160062032 | Illumination Devices Including Multiple Light Emitting Elements - A variety of illumination devices are disclosed that are configured to manipulate light provided by one or more light-emitting elements (LEEs). In general, embodiments of the illumination devices feature one or more optical couplers that redirect illumination from the LEEs to a reflector which then directs the light into a range of angles. In some embodiments, the illumination device includes a second reflector that reflects at least some of the light from the first reflector. In certain embodiments, the illumination device includes a light guide that guides light from the collector to the first reflector. The components of the illumination device can be configured to provide illumination devices that can provide a variety of intensity distributions. Such illumination devices can be configured to provide light for particular lighting applications, including office lighting, task lighting, cabinet lighting, garage lighting, wall wash, stack lighting, and downlighting. | 03-03-2016 |
20160069525 | VEHICLE HEADLAMP - A vehicle headlamp includes a first LED light source, a first light guide plate optically coupled to the first LED light source, a second LED light source, a second light guide plate optically coupled to the second LED light source, and a light barrier sheet interposed between the first and second light guide plates. The first light guide plate is configured to guide light emitted from the first LED light source onto a predetermined area thereby creating a second light distribution pattern. The second light guide plate is configured to guide light emitted from the second LED light source onto a predetermined area thereby creating a second light distribution pattern. The light barrier sheet is configured to prevent light transmission between the first and second light guide plates. | 03-10-2016 |
20160077276 | Display Backlight With Adhesive Attachment Layers - A display may have a backlight. The display backlight may have a light guide plate. An array of light-emitting diodes may emit light into the edge of the light guide plate. The array of light-emitting diodes may be mounted to a flexible printed circuit. A layer of adhesive tape may attach the light guide plate to the flexible printed circuit. The tape layer may have upper and lower adhesive layers on a carrier film. The carrier film may be formed from a metal-coated polymer layer, a high-low dielectric stack, a metal foil, or other reflective or non-reflective structures. A stiffener may be provided to facilitate handling of the adhesive tape. | 03-17-2016 |
20160084486 | LIGHTING DEVICE CONTROLLABLE BY HOVER OPERATION - A lighting device controllable by hover operation, including: a shell body; a light source unit; at least one conductive sensor; and a circuit board, which includes a capacitive touch detection circuit, a light source driver circuit, and a control unit; wherein, when a finger or a palm of an operator approaches at least one active region of the shell body during a control operation, each of the at least one active region being opposing one of the at least one conductive sensor, the capacitive touch detection circuit will detect a capacitance change signal via the at least one conductive sensor and generate an operation signal accordingly, and the control unit will control the light source driver circuit in response to the operation signal to determine a light emitting status of the light source unit. | 03-24-2016 |
20160091151 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight unit has a light-guide plate and a light source optically coupled with the light-guide plate, with which light is input from a plane of the light-guide plate and white-light is output from the first principal plane of the light-guide plate. The light source has a plurality of blue light emitting diodes, red phosphor material excited by light from the blue light emitting diodes and emits red light, and a plurality of green semiconductor lasers having emission peaks at green light wavelengths. | 03-31-2016 |
20160097935 | DISPLAY APPARATUS - A display apparatus has a first back bezel with a first side; a first light guide plate disposed above the first rear bezel; a first light bar disposed above the first side of the first back bezel, and the first light bar disposed between the first light guide plate and the first back bezel, and the first light bar including a plurality of first light-emitting diodes, a length of each of the first light-emitting diodes is L, a distance of two farthest first light-emitting diodes of these first light-emitting diodes is W | 04-07-2016 |
20160100698 | PRODUCT DISPLAY CASE OR HOT PLATE DISPLAY CASE HAVING AN EDGE-MOUNTED LED ARRAY FOR ILLUMINATING A LIGHT PIPE FOR ILLUMINATING THE INTERIOR PORTION OF THE PRODUCT DISPLAY CASE OR HOT PLATE DISPLAY CASE, AND/OR AN EDGE MOUNTED LED ARRAY FOR ILLUMINATING A GLASS SHELF WITHIN THE PRODUCT DISPLAY CASE OR HOT PLATE DISPLAY CASE - The present invention comprises a linear array of LEDs which can be utilized in conjunction with a product display case wherein the linear array of LEDs is operatively mounted upon, and disposed immediately adjacent to, a first end edge portion of a glass plate so as to effectively illuminate the glass plate by means of total internal reflection principles whereby the glass plate operatively serves as a light pipe such that the light emitted from a second opposite end edge portion of the glass light pipe can illuminate the interior portion of the product display case. Alternatively, the linear array of LED lights can be operatively mounted upon, and disposed immediately adjacent to, an edge portion of a glass shelf disposed within the product display case so as to likewise illuminate the glass shelf itself by means of total internal reflection principles whereby the illumination from the glass shelf serves to illuminate the products being displayed. | 04-14-2016 |
20160103272 | Backlight Assembly with Brightness Enhancing Structure - A backlight assembly is provided with an upper reflective layer including a plurality of transparent areas; a lower reflective layer secured to the upper reflective layer; a light guide plate disposed between the upper and lower reflective layers; a light source disposed under the lower reflective layer and corresponding to the transparent areas; a circuit board disposed above the upper reflective layer and including a plurality of first openings and a plurality of electrical contacts; and an opaque shading layer disposed on the circuit board and including a plurality of elastic members aligned with the electrical contacts, and a plurality of second openings. Light with enhanced brightness is transmitted to bottom of keycaps of an input device of a 3C product with energy consumed to a minimum during light transmitting. | 04-14-2016 |
20160109645 | Illumination Devices Including Multiple Light Emitting Elements - A variety of illumination devices are disclosed that are configured to manipulate light provided by one or more light-emitting elements (LEEs). In general, embodiments of the illumination devices feature one or more optical couplers that redirect illumination from the LEEs to a reflector which then directs the light into a range of angles. In some embodiments, the illumination device includes a second reflector that reflects at least some of the light from the first reflector. In certain embodiments, the illumination device includes a light guide that guides light from the collector to the first reflector. The components of the illumination device can be configured to provide illumination devices that can provide a variety of intensity distributions. Such illumination devices can be configured to provide light for particular lighting applications, including office lighting, task lighting, cabinet lighting, garage lighting, wall wash, stack lighting, and downlighting. | 04-21-2016 |
20160120030 | PRINTED CIRCUIT BOARD AND LIGHTING UNIT INCLUDING THE SAME - Provided are a printed circuit board a lighting unit including the printed circuit board, the printed circuit board including: a metal substrate; a light emitting element disposed on the metal substrate; and a wiring portion disposed between the light emitting element and the metal substrate. | 04-28-2016 |
20160131822 | DISPLAY DEVICE, MULTILAYER LIGHT GUIDE PLATE STRUCTURE AND FRONT LIGHT MODULE - A display device that includes a display panel, a multilayer light guide plate structure, and a light source is provided. The display panel has a display surface. The multilayer light guide plate structure is located on the display surface of the display panel. The multilayer light guide plate structure has a light incident surface, an upper surface, and a lower surface opposite to the upper surface, and the multilayer light guide plate structure includes a plurality of light guide plate layers stacked together. The light source is located beside the light incident surface of the multilayer light guide plate structure and has a light emitting surface. A multilayer light guide plate structure and a front light module are also provided. | 05-12-2016 |
20160131823 | Directional Backlight - Disclosed is a light guiding valve apparatus including at least one transparent stepped waveguide optical valve for providing large area collimated illumination from localized light sources, and at least one further illumination source. A stepped waveguide may be a stepped structure, where the steps include extraction features hidden to guided light, propagating in a first forward direction. Returning light propagating in a second backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. Such controlled illumination may provide for efficient, multi-user autostereoscopic displays as well as improved 2D display functionality. Light from a separate illumination source may pass through the transparent stepped waveguide optical valve to provide at least one further additional illumination function. | 05-12-2016 |
20160149098 | LIGHT EMITTING DIODE PACKAGE AND DISPLAY DEVICE HAVING THE SAME - A light emitting diode package includes a body portion including a planar portion and a sidewall portion bent upward from the planar portion to surround an edge of the planar portion, a first light emitting diode disposed on the planar portion and emitting a first light having a first color, and a second light emitting diode disposed on the planar portion to be spaced apart from the first light emitting diode by a predetermined distance and emitting a second light having a second color different from the first color. | 05-26-2016 |
20160149103 | LIGHT EMITTING DEVICE PACKAGE, BACKLIGHT UNIT, LIGHTING DEVICE AND ITS MANUFACTURING METHOD - Provided are a light emitting device package, a backlight unit, a lighting device and its manufacturing method. The light emitting device package may include a flip chip type light emitting device having a first pad and a second pad, a lead frame that includes a first electrode disposed at one side of an electrode separation space, and a second electrode disposed at the other side of the electrode separation space, and on which the light emitting device is mounted, a first bonding medium formed between the first pad of the light emitting device and the first electrode of the lead frame to electrically connect the first pad and the first electrode, and a second bonding medium formed between the second pad of the light emitting device and the second electrode of the lead frame to electrically connect the second pad and the second electrode, wherein at least one first accommodating cup capable of accommodating the first bonding medium is formed in the first electrode of the lead frame, wherein at least one second accommodating cup capable of accommodating the second bonding medium is formed in the second electrode of the lead frame, and wherein at least one air discharge path is formed on each of the first and second accommodating cups. | 05-26-2016 |
20160150640 | PLANAR ILLUMINATION DEVICE - A planar illumination device includes: a light guide plate; a point light source disposed to face a light incident surface of the light guide plate; and a circuit substrate on which the point light source is mounted. The circuit substrate includes: a base film; a first conductive layer and a first coverlay film stacked in sequence on a first surface of the base film, the first conductive layer including a pair of lands to which a pair of electrode terminals of the point light source are electrically connected; and a second conductive layer and a second coverlay film stacked in sequence on a second surface of the base film the second coverlay film including a light absorber. The second coverlay film is exposed between the lands and in front of a light emitting surface of the point light source in a light emitting direction. | 05-26-2016 |
20160161656 | Illumination Device Having a Light Guide With Leaky Side Surfaces - An illumination device includes one or more light-emitting elements (LEEs) arranged to provide light; a light guide includes a receiving end and an opposing end, the receiving end being arranged to receive the light provided by the LEEs. The light guide further includes a pair of opposing side surfaces extending along a length of the light guide between the receiving and opposing ends. The light guide is configured to guide the received light in a forward direction, along the length of the light guide toward the opposing end, and transmit a first portion of the guided light into ambient through one or more of the opposing side surfaces as sideways leaked light. The illumination device further includes an extractor located at the opposing end and configured to output into the ambient a remaining portion of the guided light—that reaches the opposing end—as output light in backward directions. | 06-09-2016 |
20160178835 | DISPLAY DEVICE | 06-23-2016 |
20160187566 | LED LIGHT SOURCE, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - An LED light source, a backlight module and a liquid crystal display device are disclosed. The LED light source includes: a housing having a light outlet; an LED wafer disposed within the housing, where a light-emitting surface of the LED wafer faces towards the light outlet of the housing; and a light adjustment layer disposed at the light outlet of the housing. | 06-30-2016 |
20160187575 | BACKLIGHT MODULE AND DISPLAY DEVICE - The disclosure is related to a backlight module and a display device. The backlight module comprises a light guide plate, a first light bar, a second light bar and a plurality of first blockers. The light guide plate comprises a first surface and a second surface intersecting with the first surface. The first substrate is arranged close to the first surface of the light guide plate. The first light emitting diodes are arranged between the first substrate and the first surface of the light guide plate. The second light emitting diodes are arranged between the second substrate and the second surface of the light guide plate. The first blockers are arranged between the first substrate and the first surface of the light guide such that a first space is formed between the first light emitting diodes and the first surface of the light guide plate. | 06-30-2016 |
20160195229 | WAVELENGTH CONVERSION SHEET AND BACKLIGHT UNIT | 07-07-2016 |
20160195666 | LIGHT UNIT WITH AN EXTENDED LIGHT EMISSION SURFACE | 07-07-2016 |
20160202407 | LIGHTING DEVICE AND CORRESPONDING METHOD | 07-14-2016 |
20160377784 | LIGHT GUIDE PLATE, BACKLIGHT MODULE, AND DISPLAY DEVICE - The present invention provides a light guide plate, a backlight module, and a display device. The light guide plate contains a platform of uniform thickness along an edge of the light guide plate for installing a flexible printed circuit (FPC). The platform contains a plurality of through openings for installing light emitting diodes (LEDs). The backlight module contains LEDs, a FPC, and the light guide plate. The FPC is configured on the platform. The LEDs are configured inside the openings. The display device contains the backlight module. The present invention enhances the reliable connection between the FPC and light guide plate, reduces the probability of coupling failure, and lower the manufacturing difficulty and cost. | 12-29-2016 |
20160377800 | BACKLIGHT SYSTEM FOR LIQUID CRYSTAL DISPLAY DEVICES - A liquid crystal display (LCD) panel and a backlight system for the LCD panel are provided. A light guide plate and an illumination source facing a side of the light guide plate are provided, wherein the illumination source comprises a set of light emitting diodes (LEDs). An LED substrate is provided on which the plurality of LEDs are mounted. A fixing plate is provided to which the LED substrate is attached. A set of clips are provided for binding the LED substrate and the fixing plate together. | 12-29-2016 |
20190143648 | LAMINATED GLAZING COMPRISING A LIGHT LIGHT-EMITTING DIODE | 05-16-2019 |
20190146142 | MOLDED LIGHT GUIDE FOR OPTICALLY COUPLING LIGHT FROM LEDS | 05-16-2019 |
20220137284 | ELECTRONIC DEVICE - The present disclosure provides an electronic device including: a casing, a main body of which is provided with a light transmitting area; an indicating structure including a light emitting component and a light guide component which are fixedly coupled; the light guide component is configured to scatter the light emitted by the light emitting component and then emit the scattered light; the indicating structure is fixedly coupled to the casing, and a light exiting surface of the indicating structure corresponds to the light transmitting area. | 05-05-2022 |
20080205078 | ILLUMINATION TILES AND RELATED METHODS - Illumination assemblies, components, and related methods are described. A plurality of illumination tiles may be arranged in a two-dimensional array. In one embodiment, an illumination tile comprises at least one solid state light-emitting device and a light guide including an edge constructed and arranged to receive light from the solid state light-emitting device, and a top emission surface constructed and arranged to emit light received by the edge, wherein the solid state light-emitting device is disposed under the top emission surface. In another embodiment, an illumination tile comprises at least one solid state light-emitting device and a light guide including a light input portion including an edge constructed and arranged to receive light from the light-emitting device and a top surface, and a light extraction portion including a top emission surface constructed and arranged to emit light received by the edge, wherein the top surface of the light input portion is offset vertically from the top emission surface of the light extraction portion. | 08-28-2008 |
20080205079 | Spread illuminating apparatus and display device incorporating same - A spread illuminating apparatus is provided which includes: a light conductor plate having a light inlet surface and two major surfaces; a light source unit disposed at the light inlet surface of the light conductor plate; and a light diffuser pattern disposed at the lower major surfaces of the two major surfaces of the light conductor plate, wherein the light source unit includes first and second white light sources which have respective different light emitting principles, are arranged in the width direction of the light conductor plate with their respective ends set close to one another, and which can be turned on and off independently of each other. | 08-28-2008 |
20080232134 | Replaceable LED light source device used in backlight module - A replaceable LED light source device used in a backlight module comprises a LED bar disposed with a plurality of LEDs thereon used for providing illumination and an attaching plate used for disposing the detachable LED bar within a case locating the backlight module therein. Thereby, the previous LED light source device can be replaced by a new one when any LED on the LED bar stops working. | 09-25-2008 |
20080239751 | LED LAMP ASSEMBLY - An exemplary LED lamp includes a housing having an opening, a printed circuit board, at least one LED, a light reflective plate, a light reflective module and a lamp cover. The printed circuit board is positioned on a bottom of the housing. The LED is electrically connected with the printed circuit board. The light reflective plate defines at least one through hole, the LED passing through the corresponding through hole. The light reflective module includes a bottom reflective plate, at least two opposite reflective sidewalls, at least one light-shielding sheet extending at midsections from the opposing reflective sidewalls. The bottom reflective plate defines at least one first cutout, the at least one LED passing through the corresponding first cutout. The at least one light-shielding sheet defines a plurality of light holes and covers the corresponding LED. The LED lamp assembly has a uniform luminance. | 10-02-2008 |
20080239752 | Light emitting diode having electrodes with branches and backlight module using same - An exemplary light emitting diode ( | 10-02-2008 |
20080247191 | Thin and flexible light guide element - The subject invention provides a thin and flexible light guide element, which comprises a first optical layer composed of a flexible transparent material; a second optical layer formed on the lower side of the first optical layer and having a light-adjusting structure to change the light path; and a third optical layer formed on the upper side of the first optical layer and having a convex-concave structure to homogenize the light emitted from the first optical layer, wherein the first and second optical layers have different refractive indices. | 10-09-2008 |
20080259641 | Planar Illumination Device - Thinning of a planar illumination device using an LED is accelerated while higher and more uniform brightness is promoted. | 10-23-2008 |
20080259642 | LIGHT EMITTING PANEL ASSEMBLIES - A light emitting panel, film or substrate assembly includes an optically conductive panel, film or substrate having at least one light input surface defined by at least one edge of a slot, cavity, opening or hole in which at least one LED light source having a greater width than height is positioned adjacent to the light input surface for directing light into the panel, film or substrate. The LED light source is configured to generate light having an output distribution defined by a greater width component than height component, the height component substantially corresponding to or less than the thickness of the light input surface. | 10-23-2008 |
20080273350 | METHOD AND APPARATUS FOR BACKLIGHTING A DEVICE - A light guide panel is disclosed. The panel comprises a plate for dispersing light and at least one light-emitting diode (LED) coupled to the plate for providing the dispersed light. When the panel is coupled to a keyboard, the at least one LED is under a portion of the keyboard such that when the at least one LED is illuminated, the light from the LED does not distract a user. Accordingly, by strategically placing LEDs within the panel and providing the LEDs under appropriate portions of the keyboard, the device utilizing the keyboard can be smaller than when a conventional light guide panel is utilized. In addition, a further improvement in illumination is provided when a mechanism is provided which reflects light escaping from the edges of the panel back into the panel. | 11-06-2008 |
20080278965 | Light emitting diode with light emitting chips at inner side surfaces thereof and backlight module using same - An exemplary light emitting diode includes a main body, a red light emitting chip, a green light emitting chip, and a blue light emitting chip. The main body includes two inner side surfaces opposite to each other and a inner bottom surface connected with the side surfaces. The side surfaces and the bottom surface cooperatively define an accommodating space. The red light emitting chip, the green light emitting chip and the blue light emitting chip are positioned at the bottom surface and the side surfaces of the accommodating space, respectively. | 11-13-2008 |
20080285305 | LIGHT-GUIDE PLATE, AREA LIGHT SOURCE APPARATUS AND IMAGE READING APPARATUS - An LED module is mounted on a case frame by fitting three pins formed at a concave portion of the case frame, into holes in the LED module corresponding to the pins. A light-guide plate is fitted into the case frame formed integrally with a bottom cover in a descending direction. The light-guide plate is fixed by a hook provided for the case frame. A space between the light-guide plate and the LED module is prevented by pressing the light-guide plate to the LED module with a pressing spring. Since the light-guide plate is fitted into the case frame in the descending direction and a light scattering sheet is adhered to an outer end surface of the case frame in the descending direction, it is not necessary to reverse the worked product and so the number and time of working processes can be saved. | 11-20-2008 |
20080298085 | Backlight module with uniform brightness - A backlight module with uniform brightness has a light guide panel (LGP), a diffusing reflector, at least one light source and a diffuser and a prism film. The diffusing reflector is placed on the LGP and has a substrate, a reflective film and multiple diffusing elements. The reflective film is formed on the substrate. Each one of the multiple diffusing elements has an adhesive bed and multiple balls. The multiple balls can be easily pasted or printed separately on the reflective film by using the adhesive bed and provide a uniform diffused light output form the LGP, so the backlight module has a lowered cost and is easily manufactured. | 12-04-2008 |
20080304284 | LIGHTING DEVICE - A lighting device may include light sources at one or two distal ends; wherein LEDs may be used as a light source. The lighting device may comprise a housing, at least one light-entering plane, at least one light-emitting plane and at least one guiding surface attached to the housing. A plurality of guiding blocks are configured and disposed on the guiding surface, and at least one distal end of the guiding surface is adjacent to the light source such that as light travels into and within the housing, light may be reflected and/or deflected by the guiding blocks and exits the housing via the light emitting plane. The illumination area opposite the light emitting plane may therefore receive substantially uniform lighting from the lighting device. The device may further comprise a reflector covering a portion of the guiding surface and a diffuser covering a portion of the light emitting plane. | 12-11-2008 |
20080304285 | PLANAR LIGHTING DEVICE - A thinner and larger planar lighting device is achieved without increasing the number of light sources and holding the power consumption to a minimum. The LED chips on the light sources are arrayed at an array density varying according to the position of each of the light entrance planes of the light guide plate such that the illuminance distribution as measured on along the middle of the light guide plate in a direction parallel to longitudinal direction of the light entrance planes represents a high-in-the-middle, bell-curve distribution. | 12-11-2008 |
20080304286 | PLANAR LIGHTING DEVICE - The absolute value of the light amount is increased by providing main light sources and auxiliary light sources on four sides of a light guide plate having a flat and rectangular light exit plane whereas the amounts of light emitted by LED chips of the main light sources and the auxiliary light sources are adjusted such that illuminance is highest near the central area of the light guide plate to obtain a high-in-the-middle, bell-curve illuminance distribution for light emitted by the light guide plate. A planar lighting device achieving a reduced thickness and weight and capable of emitting an increased amount of illumination light is provided. | 12-11-2008 |
20080316767 | Liquid Crystal Display Using Different Light Radiation Angles Of Light Emitting Diodes - A liquid crystal display with low manufacturing cost, small dark area and compact exterior is provided by utilizing a plurality of differently radiating light emitting diodes at different angles. The liquid crystal of present invention includes a thin film transistor panel for displaying image, a backlight assembly for providing light to the thin film transistor panel with a plurality of light emitting diodes with different light radiation angles and a light guiding plate, and a frame unit for encompassing the thin film transistor panel and the backlight assembly. The light emitting diodes are placed either at the mid-point of light incident surface or the corner portion of the light guiding plate. | 12-25-2008 |
20090016076 | DISPLAY APPARATUS - The invention relates to a display apparatus with a display unit, having means for background lighting at the back of the display apparatus. According to the invention, the means for background lighting comprise two illumination units being provided at the right-hand and left-hand of the display apparatus, said illumination units being formed as substantially vertically positioned, longitudinal light guides comprising means for coupling out light, each of the light guides being provided on at least one of its ends with a light source. The light sources preferably comprise coloured LEDs. | 01-15-2009 |
20090016077 | Light Guiding Member and Linear Light Source Apparatus Using Same - A light guide member of the present invention is made of a light transmitting material. The light guide includes a light emitting surface | 01-15-2009 |
20090021960 | Luminescent decorating panel assembly and electronic device using the same - A luminescent decorating panel assembly and an electronic device using the luminescent decorating panel are disclosed. The luminescent decorating panel assembly includes a light guide plate, a light source and a reflecting element, and a microstructure is formed on a light exit plane of the light guide plate and applied in the electronic device, and the luminescent decorating panel assembly is disposed between an upper casing and a lower casing of the electronic device, and the microstructure corresponds to a transparent portion of the upper casing, such that when a user views the microstructure on the light guide plate through the transparent portion, a luminescent effect is produced on the electronic device. | 01-22-2009 |
20090034290 | Backlight Module - A backlight module includes a light guide plate, at least one first lighting element, and at least one second lighting element. The light guide plate has a first side surface and a second side surface opposite the first side surface. The first lighting element is disposed on the first side surface and has at least three light emitting diodes of different colors. The second lighting element is disposed on the second side surface and has at least three light emitting diodes of different colors. The arrangement of the light emitting diodes of the first lighting element is different from the arrangement of the light emitting diodes of the second lighting element. | 02-05-2009 |
20090046479 | Thin Backlight Using Low Profile Side Emitting LED - Low profile, side-emitting LEDs are described. The LEDs are used in very thin backlights for backlighting an LCD. In one embodiment, the backlight comprises a solid transparent waveguide with at least one opening in the waveguide containing an LED proximate to one edge. To smooth out a clover-shaped or batwing brightness profile inherently generated by a rectangular side-emitting LED within a smooth-sided rectangular opening in the waveguide, depending on the orientation of the LED, the sidewalls of the opening are made to have varying angles along the length of each sidewall to vary the refraction angle of light along the sidewall. Additionally, if a plurality of LEDs are used in the backlight, the orientations of the openings alternate to create a more uniform brightness profile in the waveguide. | 02-19-2009 |
20090052205 | LIGHT SOURCE MODULE OF SCANNING DEVICE - A light source module of scanning device includes a light guide rod and a light emitting diode. The light guide rod has a top surface, a bottom surface and two end portions. The top surface and the bottom surface are disposed opposite to each other. The light emitting diode is disposed adjacent to one of the end portions. | 02-26-2009 |
20090052206 | Display Device - A wall-mounted display device, which uses a light guiding panel for an LED light source includes display body | 02-26-2009 |
20090080216 | LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE, AND LIQUID CRYSTAL DISPLAY DEVICE - A light guide plate has a light exit plane and a light entrance plane arranged on the periphery of the light exit plane. Light incident on the light entrance plane is outputted from the light exit plane. The light entrance plane includes a plurality of first end surfaces and a plurality of second end surfaces protruding in an external direction beyond the first end surfaces in plan view. The first end surfaces and the second end surfaces are alternately arranged along the periphery of the light exit plane. | 03-26-2009 |
20090080217 | Encapsulant shapes for light emitting devices lacking rotational symmetry designed to enhance extraction of light with a particular linear polarization - The light-emitting device includes a light source and a transparent encapsulating material that is shaped to modify the polarization anisotropy of light emitted by the light source in at least one direction. | 03-26-2009 |
20090086504 | Backlit erasable writing board - A backlit erasable writing board includes a light guide panel, a plurality of light emitting diodes positioned on at least one side surface of the light guide panel for providing light to the light guide panel, a reflecting plate at a back surface of the light guide panel for reflecting light toward a front surface of the light guide panel, and an impervious translucent film at the front surface of the light guide panel for use as an erasable writing surface. | 04-02-2009 |
20090086505 | PLANAR LIGHTING DEVICE - The planar lighting device includes, in addition to light sources, a light exit plane, a pair of light entrance planes formed on a pair of sides of the light exit plane, and a rear plane composed of a pair of inclined planes formed on a side opposite from the light exit plane such that the light guide plate grows thicker with an increasing distance from the light entrance planes toward the center. The light guide plate contains light scattering particles satisfying Npi>Np, where Npi is the particle density in a region of space within a given range of the light guide plate and Np the density in the other region of space. The planar lighting device with minimized brightness unevenness liable to develop near the light entrance planes when the light exit plane has great dimensions. | 04-02-2009 |
20090091946 | Light-guiding structure - A light-guiding structure includes a light-guiding plate, and an LED set matched with the light-guiding plate. The characteristic is that the light-guiding plate has a light-entering surface, and there are a plurality of ditches on the light-entering surface. A light-entering interface is formed between two adjacent ditches. The LED set corresponds to the light-entering surface of the light-guiding plate, and each of the LEDs of the LED set corresponds to one light-entering interface. By utilizing the light-entering interface and the ditches, the light is uniformly spread. The light is uniformly spread at the light-entering surface of the light-guiding plate so that the bright point does not occur. The light is uniformly emitted from the light-emitting surface and the illumination is enhanced. | 04-09-2009 |
20090091947 | Surface light source structure of backlight module in a flat panel display - A surface light source structure having a circuit board, a first light emitting diode (LED) array, and a second LED array is provided. The first and second LED arrays are assembled on the circuit board. Each LED rows of the two LED arrays has a plurality of LED units connected in series. The LED rows of the first LED array are connected in parallel. The LED rows of the second LED array are connected in parallel. The LED rows of the second LED array are intersected between the LED rows of the first LED array. Positive-to-negative directions of the LED units of the first and second LED array are arranged in opposite directions. | 04-09-2009 |
20090097271 | LED BACKLIGHT FOR DISPLAY SYSTEMS - An LED backlight method and apparatus for display systems provides a plurality of light emitting diodes having different white point colors. At least two of the light emitting diodes having different white point colors are selected to produce a light of a predetermined white point color when the light outputs of the selected light emitting diodes are mixed. The selected light emitting diodes are mounted on a display panel in a predetermined order at spatially distributed positions for mixing their light outputs to produce the light of the predetermined white point color to illuminate the display panel with the light of the predetermined white point color. | 04-16-2009 |
20090097272 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE SAME - A backlight unit capable of reducing or effectively preventing a hot spot phenomenon includes a plurality of light sources generating lights, a light guide plate including a portion on which the lights generated from the light sources are incident and converting the lights incident on the portion into a surface-shaped lights and a light path converter converting a traveling direction of the lights incident on the portion of the light guide plate in an area where the lights emitted from the light sources diodes overlap each other. | 04-16-2009 |
20090116262 | LIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - Provided are a light unit and a display device having the same. The light unit comprises a light guide member, a board, and a light-emitting module. The light guide member outputs surface tight upward. The light-emitting module comprises the board where a light-emitting devices disposed and a metal plate on a rear surface of the board. | 05-07-2009 |
20090147534 | BACKLIGHT DEVICE AND DISPLAY DEVICE USING THE SAME - In a backlight device, among a plurality of light emitting diodes, light amounts thereof are measured in advance, and they are classified as any one of two or more light amount ranks according to the measurement results. In each of an upper region and a lower region of the light emitting diodes that are set on an upper side and lower side of a light guide plate, respectively, the light emitting diodes that are classified as having the same light amount rank are disposed. | 06-11-2009 |
20090154194 | LIGHT EMITTING DIODES, DISPLAY SYSTEMS, AND METHODS OF MANUFACTURING LIGHT EMITTING DIODES - Light emitting diodes, display systems, and manufacturing methods are provided. In an embodiment, by way of example only, a light emitting diode (“LED”) include a die and a lens. The die is configured to emit wavelengths of light within a first predetermined spectral range. The lens is disposed on at least a portion of the die and is configured to filter the light emitted from the die such that a second predetermined spectral range is emitted from the LED. | 06-18-2009 |
20090154195 | WHITE LIGHT-EMITTING DEVICE, METHOD FOR MANUFACTURING SAME, BACKLIGHT USING SAME, AND LIQUID CRYSTAL DISPLAY - A white light-emitting device | 06-18-2009 |
20090168454 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a light source, a light-guide plate and an integrally formed frame. The light-guide plate guides light generated from the light source. The integrally formed frame includes a chassis and a mold frame integrally combined with the chassis as an indivisible unitary element through insert/outsert injection. The integrally formed frame receives the light source and the light-guide plate. A hemming part is formed on a sidewall of the chassis to increase strength of the integrally formed frame. Therefore, the number of elements is decreased, and strength against bending stress, impact resistance and heat dissipation are improved. | 07-02-2009 |
20090185393 | LIGHT SOURCE MODULE, METHOD OF FABRICATING THE SAME, AND DISPLAY DEVICE HAVING THE LIGHT SOURCE MODULE - A light source module includes a mounting substrate including at least two exposed metal lines, a light-emitting diode (LED) including two electrodes disposed corresponding to the at least two exposed metal lines, and an anisotropic conductive film (ACF) provided on the mounting substrate, the ACF electrically connecting the at least two exposed metal lines to the two electrodes, wherein the ACF comprises an insulation body, and a plurality of conductive particles dispersed in the insulation body and insulated from each other, and an insulation of the conductive particles disposed between the two exposed metal lines and the two electrodes of the LED is prevented in at least a first direction. | 07-23-2009 |
20090231880 | BACKLIGHT UNIT WITH HEALTH-CARE FUNCTION - A backlight unit with a health-care function is disclosed. The backlight unit includes: a light source including a plurality of light-emitting diodes (LEDs), at least some of the plurality of LEDs radiating light having a wavelength beneficial to the human body; and an optical output unit outputting the light radiated from the light source to a liquid crystal panel. By using a monitor or mobile phone adopting the backlight unit, immunity is improved. | 09-17-2009 |
20090231881 | Light-Emitting-Diode Backlight Device - A light-emitting-diode backlight device includes a light source substrate to which many light-emitting diodes are mounted, and a bottom chassis having the light source substrate mounted to a principal surface side of the bottom chassis. Illumination light from the light-emitting diodes is supplied to a display panel unit. A back-surface side of the bottom chassis is provided with a heat-dissipating unit making uniform a temperature distribution over the entire bottom chassis. The heat-dissipating unit includes a mounting plate, a heat pipe, and a radiating fin. The mounting plate is mounted to at least a high-temperature area of the bottom chassis. The heat pipe is disposed on both the high-temperature area and a low-temperature area, and is mounted to the mounting plate. The radiating fin is mounted to the low-temperature area, and connected to an end of the heat pipe. | 09-17-2009 |
20090262552 | ILLUMINATION DEVICE HAVING LIGHT GUIDE BODY - The illumination device is provided with a plurality of light guide bodies, the bottom face of which is given light reflection/scattering treatment, light sources individually connected to the end portions of a plurality of the light guide bodies to radiate the bottom faces of a plurality of the light guide bodies, and a control unit for changing the intensity of light made incident from the light sources to a plurality of the light guide bodies. A plurality of the light guide bodies are laminated so as to be at least partially overlapped at the respective light emitting regions of the light guide bodies, and the control unit allows the intensity of light made incident from the light sources to the light guide bodies to change with the lapse of time. | 10-22-2009 |
20090273948 | BACKLIGHT ASYMMETRIC LIGHT INPUT WEDGE - A backlight is disclosed and includes a visible light transmissive body primarily propagating light by TIR with a light input surface and a light output surface and a light guide portion and a light input portion. The light guide portion has a light reflection surface and a light emission surface. The light input portion has opposing side surfaces that are not parallel. One of the opposing surfaces is co-planar with either the light emission surface or the light reflection surface. A light source is disposed adjacent to the light input surface. The light source emits light into the light input portion. A reflective layer is disposed adjacent to or on the opposing side surfaces. | 11-05-2009 |
20090290375 | LOW POWER LED LIGHT ENGINE FOR LIGHT GUIDE - A light engine assembly that includes a LED having a standard preselected output. The light engine assembly accepts a light guide into the assembly. The assembly includes a two-sided PCB, one side of which is a heat sink to reduce heat build-up on the board and the other side of which is a circuit that provides power to a LED positioned on the board. The circuit includes a connector for connection to a power supply and circuitry that regulates the current supplied to the LED, which is housed on the PCB. The assembly further includes a housing for the PCB that carries the PCB while protecting it from damage. The housing permits ventilation for cooling the board. The housing also includes a light guide holder barrel, which has a substantially square cross-section and is open at one end. The light guide holder barrel accepts a light guide having a substantially circular cross-section, the light guide contacting the light guide holder barrel in four positions, the light guide transmitting light from the LED when the LED is energized. The light guide can be rotated in any position and inserted into the light guide holder barrel to allow light to be transmitted in any preselected direction by the user. | 11-26-2009 |
20090290376 | DUAL LAYER LIGHT GUIDE STRUCTURE FOR LED BASED AMBILIGHT - A device for guiding and mixing light comprising of a light guide, at least a first set of light emitting elements in a first layer and at least a second set of light emitting elements in a second layer. Each of the light emitting elements being arranged to emit light of at least a first predetermined frequency. The second layer extending in a second geometrical plane different from a first geometrical plane of the first layer for producing a uniform light output from the aggregate of the constituting frequencies. | 11-26-2009 |
20090303744 | PLANAR ILLUMINATION DEVICE - It is an object to provide a planar illumination device that is thin and light weight, and can emit uniform illumination light with little brightness unevenness and can be enlarged in size. It is to provide a planar illumination device comprising: a first light source and a second light source which are arranged at predetermined intervals; and a light guide plate which is arranged between the first light source and the second light source and has: a light exit surface; a first light incident surface which is opposed to the first light source and includes a side of the light exit surface; a second light incident surface which is opposed to the second light source and includes an opposite side to the side; and a rear surface which is formed to be opposed to the light exit surface, wherein a cross section on a plane perpendicular to the side, of the rear surface of the light guide plate has a curved line in which a distance from the light exit surface increases with a shift from the first light incident surface and the second light incident surface to a center, an inclined angle relative to the light exit surface reduces with a shift from the first light incident surface or the second light incident surface to the center, and the inclined angle relative to the light exit surface is zero degrees at the center. | 12-10-2009 |
20090316432 | BACKLIGHT DEVICE AND DISPLAY DEVICE USING THE SAME - A backlight device ( | 12-24-2009 |
20100002464 | LIGHT EMITTING DIODE LAMP - An exemplary light emitting diode (LED) lamp includes a substrate, a plurality of LED chips mounted on the substrate, a lens, and a plurality of reflecting layers. The lens, above the LED chips, has a plurality of first protruding strips and a second protruding strip on a top thereof. Each of the first protruding strips includes a side surface angled with respect to the substrate and a vertical side surface perpendicular to the substrate. The second protruding strip includes two side surfaces, each angled with respect to the substrate. The reflecting layers are formed on the angled side surfaces of the first protruding strips and the second protruding strip, respectively. | 01-07-2010 |
20100002465 | LIGHT EMITTING DIODE DEVICE AND BACKLIGHT MODULE USING THE SAME - A light emitting diode (LED) device comprises a substrate, an LED chip and an encapsulation body. The LED chip is mounted on the substrate, and the encapsulation body is overlaid on the LED chip and the substrate. The encapsulation body includes a light output surface. The light output surface can uniformly diffuse emission light over a wide angle in a first direction and concentrate the emission light in a second direction perpendicular to the first direction. | 01-07-2010 |
20100008102 | BACK LIGHT MODULE - A back light module including a light-guiding plate and a point light source is provided. The light-guiding plate has a first light emitting surface and a light receiving surface adjacent to the first light emitting surface. The point light source has a package housing, and the package housing is tightly bonded with the light receiving surface of the light-guiding plate to form a welding interface. The above back light module achieves a desirable light-output efficiency. | 01-14-2010 |
20100020568 | PLANAR LIGHTING DEVICE - It is an object to provide a planar lighting device that is a thin and light in weight, that emits light without luminous unevenness and that is capable of achieving increased dimensions. | 01-28-2010 |
20100027290 | BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs | 02-04-2010 |
20100073960 | Color pattern forming device - A color pattern forming device includes an image displaying module, a base and a set of light-emitting diode (LED) banks. The image displaying module includes three curved light guide plates, each engraved with a pattern block. The set of LED banks includes three LED banks, which project light into corresponding ones of the curved light guide plates. Light from the LED banks is mixed in the curved light guide plates and illuminates each of the pattern blocks, thereby turning the pattern blocks into a color image for display. | 03-25-2010 |
20100085772 | SIDE-VIEW TYPE LIGHT EMITTING DEVICE AND OPTICAL DEVICE INCLUDING THE SAME - A side-view type light emitting device includes a package body, first and second lead frames, a light emitting diode chip, a resin covering portion, and at least one spacer portion. The package body has a first surface provided as a mounting surface, a second surface located opposite to the first surface, side surfaces located between the first surface and the second surface, and a concave portion formed at one of the side surfaces corresponding to the light emitting surface. The first and second lead frames are formed at the package body to be exposed to the bottom of the concave portion. The light emitting diode chip is mounted on the bottom of the concave portion to be electrically connected to each of the first and second lead frames. The resin covering portion is formed in the concave portion to enclose the light emitting diode chip. The spacer portion is formed at the side surface around the concave portion to maintain a constant distance from a light irradiation target without reducing the view angle of light emitted from the light emitting diode chip in the major-axis direction of the concave portion. | 04-08-2010 |
20100103699 | METHOD FOR MANUFACTURING LIGHT GUIDE PANEL, LIGHT GUIDE PANEL AND LIGHT SOURCE UNIT - The invention provides a light guide panel that improves luminance and reduces uneven luminance and color aberration. The light guide panel of the invention may be formed by irradiating laser light from a laser light source to the surface of an acrylic resin plate made of polymethylmethacrylate whose weight-average molecular weight is 10,000 to 100,000 or of a copolymer of 90 to 99.9% by weight of methyl methacrylate and 0.1 to 10% by weight of acrylic ester and whose weight-average molecular weight is 1,000 to 100,000 to form a light scattering pattern including a large number of concave portions each of which also includes a large number of micro-concavities and convexities therein. | 04-29-2010 |
20100142221 | Backlight Module and Light Emitting Diode Thereof - A light emitting diode contains a light emitting diode chip and a light directing structure disposed thereon. The light directing structure has a pair of connected hemi-ellipsoids and an interface interposed therebetween. Each hemi-ellipsoid comprises a bottom surface in a shape of an incomplete ellipse and an ellipsoidal surface connected to the bottom surface and the interface, wherein the largest vertical distance from the ellipsoidal surface to the bottom surface is longer than a height of the interface. The bottom surface has a major axis and a minor axis intersected to define a center, wherein the interface is connected to the minor axis. | 06-10-2010 |
20100149834 | LIGHT-EMITTING MODULE AND DISPLAY APPARATUS HAVING THE SAME - A light-emitting module includes a power transmitting substrate disposed adjacent to a light guide plate (LGP). The power transmitting substrate includes first and second substrate portions positioned substantially perpendicular to each other. The first substrate portion faces a light incident surface of the LGP. The second substrate portion extends from the first substrate portion and is substantially parallel with a counter surface of the LGP. First and second light sources respectively emit light from a top and a side thereof, and are respectively mounted on the first and second substrate portions. The first and second light sources respectively emit light to the light incident surface. A receiving container supports the light-emitting module and contains the LGP. | 06-17-2010 |
20100149835 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a light guide plate guiding light, one or more light sources disposed on a side of the light guide plate and generating and providing the light to the light guide plate, a housing including a bottom portion and sidewall portions which each extend from the bottom portion, and accommodating the light guide plate and the light sources, and a light source cover. The light source cover includes a flat portion which contacts a top surface of the light guide plate, a height-adjusting portion which extends upward or downward from the flat portion to form a stepped shape and has the light sources installed thereunder, and fixing portions which extend from the height-adjusting portion and are fixed to a corresponding one of the sidewall portions. A centerline of the light sources is aligned with a centerline of the light guide plate. | 06-17-2010 |
20100165661 | Lighting device - A lighting device includes: a light guide plate having a light incident part in an end face and a light radiation part in a flat plate surface; a light source part opposed to the light incident part; a light shield member with which an area near the light incident part on the flat plate surface of the light guide plate is covered; and a switch part including a switch main body, a switch knob and a pressing member connected to the switch knob to press the switch main body by pressing down the switch knob. An end part of the switch knob opposed to a center of the flat plate surface of the light guide plate is located on the light shield member, and the end face of the light guide plate is located between a first virtual line passing the end part of the switch knob and perpendicular to the flat plate surface of the light guide plate and a second virtual line passing the center of the switch main body and perpendicular to the flat plate surface of the light guide plate. | 07-01-2010 |
20100165662 | BACKLIGHT UNIT - A backlight unit that while attaining cost reduction, realizes inhibiting of a light quantity decrease in the vicinity of an end portion of light guide plate and achieving of an enhancement of light utilization efficiency. Backlight unit ( | 07-01-2010 |
20100172153 | ILLUMINATION SYSTEM FOR LUMINAIRES AND DISPLAY DEVICES - The invention relates to an illumination system ( | 07-08-2010 |
20100195350 | Modular LED light device - A modular lighting device may include A frame housing, a light emitting panel cooperating with the frame housing to emit light, an edge lighting device to be positioned along an edge of the light emitting panel to provide light to the light emitting panel, a film member including indicia to be displayed, and a modular member to cooperate with the frame housing and the film member. The modular member may be detachably connected to the frame housing. The edge lighting device may include an LED, and the edge lighting device may include an array of LEDs. The light emitting panel may include a depression to transmit the emitted light, and the module member may include a fastener to fasten to the frame housing. The fastener may be L-shaped, and the module member may include a top extending portion and a bottom extending portion to cooperate with the top extending portion to form a substantially continuous surface. | 08-05-2010 |
20100208494 | Light Guiding Device and Thin Display Comprising the Same - A light guiding device and a thin display comprising the same are disclosed. The thin display comprises a light guiding device, a panel, and a frame. The frame comprises two arc-shaped frames opposite each other and two side frames opposite each other. The light guiding device comprises a light guiding plate and a light source device. The light guiding plate comprises an upper curve surface, a lower curve surface, a first arc-shaped plane, and a second arc-shaped plane. Two edges of each of the upper and the lower curve surfaces are connected with the first arc-shaped plane and the second arc-shaped plane respectively. The light source device is disposed between one of the first and the second arc-shaped planes and one of two arc-shaped frames. The panel is disposed in the frame and above the light guiding device. | 08-19-2010 |
20100208495 | LIGHT SOURCE AND DISPLAY DEVICE HAVING THE SAME - A display device including a light unit is provided. The light unit may include a light guide plate, a light emitting module, and a color coordinate conversion sheet. The light emitting module may include a plurality of light emitting diodes configured to emit light to a side of the light guide plate. The color coordinate conversion sheet may be positioned on the light guide plate to convert a color coordinate distribution of the light emitted by the light emitting module to a color coordinate distribution that falls within a target distribution range. | 08-19-2010 |
20100214803 | Led light source and image reading apparatus - The present invention provides an LED light source optimal as a light source of image reading apparatuses, and the light source is used in an image reading apparatus comprised of a platen for mounting a read original, a light source for lighting the read original mounted on the platen, a lens means for condensing reflected light from a main scanning line of the read original lighted by the LED light source, and a light-receiving means for receiving the reflected light from the main scanning line of the read original condensed by the lens means, and has an LED that is a light-emitting source, and a light guide for reflecting the light of the LED by an inner surface thereof to diffuse in the shape of the main scanning line, where the LED is disposed in an end portion in the main scanning line direction of the light guide, the light guide has an inner surface opposed to a light-emitting surface of the LED forming a curved reflecting surface for reflecting in the main scanning line direction, the LED is disposed out of a critical angle region at the end in the main scanning line direction of the curved reflecting surface, the light guide has a plurality of reflecting surface bodies spaced at predetermined pitches in the main scanning line direction with the bodies surface-opposed to the LED side inside an inner surface reflection optical path of the light guide to reflect the light of the LED toward the outside of the light guide along the main scanning line, and a length in the perpendicular direction to the main scanning line direction of each of the reflecting surface bodies is adjusted corresponding to a light amount to reflect. | 08-26-2010 |
20100214804 | BIFACIAL LIGHT EMITTING BACKLIGHT - A light guide plate has a main-side microprism array sheet (main-side MPA sheet) | 08-26-2010 |
20100226146 | BACKLIGHT MODULE - A backlight module including a housing, a first reflector plate, a light guide plate, a second reflector plate and at least one light bar is provided. The first reflector plate is disposed on a bottom of the housing, and the light guide plate is disposed within the housing. The light guide plate includes a first optical surface, a second optical surface and a light emitting surface, and the first optical surface is adjacent to the first reflector plate. The second reflector plate is adjacent to the second optical surface of the light guide plate. The light bar is disposed between the first reflector plate and the light guide plate, and the light bar is opposite to the second optical surface. | 09-09-2010 |
20100238687 | SEMICONDUCTOR LIGHT EMITTING DEVICE - A semiconductor light emitting device of what is called a side view type can achieve directional characteristics having substantial symmetry with respect to an optical axis. The semiconductor light emitting device can emit light in a direction substantially parallel to a surface on which the semiconductor light emitting device is to be held. The semiconductor light emitting device can include a semiconductor light emitting element emitting light in a light emitting direction parallel to the surface on which the semiconductor light emitting element is to be held, a base substrate having a main surface on which the semiconductor light emitting device is held, the main surface being parallel to the surface on which the semiconductor light emitting device is to be held. The base substrate can have a cutoff portion defined forward of the semiconductor light emitting element in the light emitting direction and in a position in which light emitted from the semiconductor light emitting element crosses the main surface. A light-transmitting first sealing resin can be provided on the base substrate, to bury the semiconductor light emitting element while filling the cutoff portion. The light emitted from the semiconductor light emitting element can travel through the cutoff portion. | 09-23-2010 |
20100290251 | Illumination apparatus - An illumination apparatus includes a light guide plate, a first light source module, and a second light source module. The light guide plate has a first incident surface and a second incident surface opposite to the first incident surface. The first and the second light source modules provide light beams into the first and the second incident surfaces, respectively. The first light source module includes at least one first white light emitting diode (LED) and at least one second white LED neighboring with each other. The first and the second white LEDs have different color temperatures. The second light source module includes at least one third white LED and at least one forth white LED neighboring with each other. The third and the forth white LEDs have different color temperatures. The third and the forth white LEDs are located corresponding to the second and the first white LEDs, respectively. | 11-18-2010 |
20100302805 | LED BACK-LIGHT UNIT AND DISPLAY DEVICE - A back-light unit including a plurality of substrates, a plurality of light sources respectively disposed on the plurality of substrates and configured to emit light, and N (N ≧2) light guide plates respectively disposed adjacent to the plurality of light sources, each light guide plate including a light incidence part having a light incidence surface for receiving light emitted in a first direction from a corresponding light source, and a light emission part for emitting the received incident light in a second direction different than the first direction. Further, at least one of the light guide plates includes light-extracting surface patterns disposed on the light emission part, and the light-extracting surface patterns comprise a first region of light-extracting surface patterns having a higher pattern-density than a second region of light-extracting surface patterns next to the first region. | 12-02-2010 |
20100309684 | FLEXIBLE LIGHT-GUIDING MODULE WITH WATERPROOF FUNCTION - A flexible light-guiding module with waterproof function includes a flexible light-guiding film, a light-reflecting element and a light-generating element. The light-reflecting element is disposed on a bottom side of the flexible light-guiding film. The light-generating element is embedded into the flexible light-guiding film, and the light-generating element has a circuit substrate and at least one light-generating chip electrically disposed on the circuit substrate. Hence, the light-generating element is embedded into the flexible light-guiding film, so that the light-generating element is waterproof. In addition, the present invention can be attached to any plane or curved surface by using the flexible light-guiding film, so that the application field of the present invention is very extensive. Moreover, the flexible light-guiding film and the light-reflecting element are integrally formed in order to decrease manufacturing cost of the present invention. | 12-09-2010 |
20100309685 | LIGHT EMITTING PANEL ASSEMBLIES - Optical assembly comprises a light emitting panel member having opposite sides and an input edge for receiving light from light sources optically coupled to a different location along the input edge. On or in at least one of the sides of the panel member is a pattern of individual optical deformities that are varied throughout the pattern and shaped or oriented throughout the pattern to extract light propagating through the panel member in different directions for viewing from different angles through one of the sides of the panel member. | 12-09-2010 |
20100315834 | LIGHT EMITTING DIODE PACKAGE, AND BACKLIGHT UNIT AND DISPLAY DEVICE USING THE SAME - A light emitting diode package may be provided that includes a light emitting diode chip and a heat sink. Heat generated from the light emitting diode chip may be radiated to the outside using the heat sink. | 12-16-2010 |
20100315835 | LEAD FRAME, LIGHT EMITTING DIODE HAVING THE LEAD FRAME, AND BACKLIGHT UNIT HAVING THE LIGHT EMITTING DIODE - An LED includes a light-emitting chip, a metal member, and a housing. The light-emitting chip generates light. The light-emitting chip is arranged on the metal member. The housing is combined with the metal member to fix the metal member. The housing has an opening portion exposing at least a portion of the light-emitting chip and the metal member. The metal member includes a base metal layer, a light-reflecting layer arranged on the base metal layer, and a protection layer arranged on the light-reflecting layer and including a metal. | 12-16-2010 |
20100321954 | LIGHT EMITTING DEVICE AND SURFACE LIGHT SOURCE DEVICE - The light emitting module | 12-23-2010 |
20110007521 | BACKLIGHT MODULE WITH A HEAT CONDUCTIVE BLOCK - A backlight module includes a bezel having at least one edge, a circuit board, one or more light emitting diodes connected to the circuit board for emitting light. Each light emitting diode has a light axis which is neither parallel nor vertical to the edge of the bezel. The backlight module utilizes a heat conductive block disposed between the bezel and the light emitting diode for transferring heat generated by the light emitting diode to the bezel. | 01-13-2011 |
20110013419 | LINEAR LIGHT GUIDING MODULE - A linear light guiding module is provided, which includes a linear light guiding body, a plurality of light emitting bodies, a plurality of heat sinks, and a plurality of fans. With the linear light guiding body, the light emitting bodies, and the heat sinks linearly arranged, or with the fans further integrated, the linear light guiding module of the present invention has a small size and an effective heat-dissipation effect. Since only one linear light guiding module needs to be disposed on one side of a light guide plate, the linear light guiding module can be used in large-sized liquid crystal display panels. Moreover, the number of the linear light guiding modules used is decreased while the requirements for high brightness and brightness uniformity can still be met, so the cost can be reduced. | 01-20-2011 |
20110013420 | LIGHT EMITTING DEVICES AND APPLICATIONS THEREOF - In one aspect, the present invention provides light emitting devices, including light fixtures and luminaires. In some embodiments, a light emitting device comprises at least one light source, a lightguide operable to receive light from the at least one light source at a first location on the lightguide, at least one light extraction region optically coupled to the lightguide and a substantially non-scattering region along a portion of the lightguide. | 01-20-2011 |
20110013421 | BACKLIGHT UNIT - The present invention relates to a backlight unit including a plurality of light guide plates, each discretely arranged with an interval, one or more light sources formed at a lateral surface of the plurality of light guide plates, and a filling material filled among the plurality of light guide plates and having a lower refractive index than that of the light guide plate, whereby each of the plurality of light guide plates can be split-driven to guarantee a uniform luminance at an interval among the plurality of light guide plates. | 01-20-2011 |
20110013422 | LIGHT-EMITTING DEVICE - This application relates to a light-emitting device comprising a light channel having an upper surface, a lower surface opposite to the upper surface, an inner surface intersecting with each of the upper and lower surface by different angles, and an escape surface; and a light-emitting element having a bottom surface substantially parallel to the inner surface and emitting light traveling inside the light channel toward the escape surface. In an embodiment, the escape surface of the light-emitting device is an inclined plane with lens array thereon. | 01-20-2011 |
20110063874 | PROJECTION LENS FOR LIGHTING EQUIPMENT AND LIGHTING EQUIPMENT USING PROJECTION LENS FOR LIGHTING EQUIPMENT - A projection lens for lighting equipment of an aspect of the present invention is characterized by formed in a shape where N of sector-shaped lens parts each of which corresponds to a central angle 2α degrees (α=180/N, N is an integer more than or equal to 3) and is bilaterally symmetric in a rotationally asymmetric elliptical collimator lens are circumferentially disposed. The projection lens for lighting equipment of such aspect is formed in the shape where N of the sector-shaped lens parts each of which corresponds to a central angle 2α degrees (α=180/N, N is an integer more than or equal to 3) and is bilaterally symmetric in the rotationally asymmetric elliptical collimator lens are circumferentially disposed. Accordingly, the projection lens for lighting equipment with a novel design which has a shape of a N-sided polygon (e.g. quadrilateral) in planar view or a shape similar to the N-sided polygon and has common edges (N edges) formed on a surface without impairment in function as a collimator lens can be configured. | 03-17-2011 |
20110069510 | PLANAR LIGHT SOURCE DEVICE - A planar light source device ( | 03-24-2011 |
20110069511 | LED BACKLIGHT FOR DISPLAY SYSTEMS - An LED backlight method for display systems comprising receiving a plurality of light emitting diodes categorized into a plurality of bins, wherein each bin references a separate range of white point colors, and determining an optimal order for mounting the plurality of light emitting diodes at spatially distributed positions, the plurality of light emitting diodes comprising white point colors associated with separate bins, wherein the optimal order of the plurality of light emitting diodes produces a light of a desired white point color when the light outputs of the plurality of light emitting diodes are mixed. | 03-24-2011 |
20110075444 | BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs | 03-31-2011 |
20110090712 | PORTABLE COMPUTER DISPLAY HOUSING - A display housing for a portable computing device that utilizes a plastic cover bonded to an internal metal frame is described. To account for thermal cycling issues and in particular to prevent bond slippage, multiple types of adhesives are employed to join the metal frame and the plastic cover. In particular, a very high bond (VHB) adhesive material is used in certain areas to bond the metal inner frame to the plastic cover and a liquid adhesive is used in other areas. The plastic cover can be translucent to light. A method of coating the plastic cover to block light, such as from a backlight used for the display, is described. | 04-21-2011 |
20110090713 | FLEXIBLE BACKLIGHT MODULE - A flexible backlight module includes a light source module and a flexible light guide panel, wherein the flexible light guide panel has a light incident surface, a light reflecting surface, and a light outgoing surface. The light incident surface of the flexible light guide panel is directly connected and thereby optically coupled to the light source module so that the light emitted by the light source module can be completely coupled to the flexible light guide panel. Consequently, the loss of light is reduced while the luminous efficiency of light is increased. Light entering the flexible light guide panel is reflected by the light reflecting surface to the light outgoing surface and then projected outward. The flexible light guide panel can be curved as needed thanks to its flexibility and thus features a wide application range. | 04-21-2011 |
20110103092 | LIGHT GUIDING PANEL ASSEMBLY FOR DISPLAY, SIGNBOARD, SURFACE ILLUMINATION OR THE LIKE - A light source receiver | 05-05-2011 |
20110103093 | LIGHT SOURCE MODULE - A light source module includes a light bar and a stiffened bar. The light bar includes a flexible circuit strip and a plurality of light sources. The light sources are disposed on the flexible circuit strip along an extension direction of the flexible circuit strip. The stiffened bar overlaps the flexible circuit strip and is disposed on a face of the flexible circuit strip having the light sources. The stiffened bar surrounds at least one side of each light source and exposes the light sources. The rigidity of the stiffened bar is larger than the flexible circuit strip. | 05-05-2011 |
20110110116 | Optical Arrangement and Production Method - An optical arrangement comprises a light guide and a light source for illuminating the light guide. The light guide comprises a transparent substrate layer and a transparent layer. The light guide has a light extraction surface on a surface of the substrate layer. The transparent layer is arranged on the surface of the substrate layer opposite to the light extraction surface, or the transparent layer is arranged on the light extraction surface of the substrate layer. The transparent layer contains means for improving light extraction. Further, a method for production a light guide is provided. | 05-12-2011 |
20110116285 | BACKLIGHT MODULE - A backlight module includes a light guide plate, an optical film set, and at least one light emitting element. The light guide plate has a first light-emitting surface, a bottom surface, and a first light incident surface. The optical film set on the first light-emitting surface includes at least one optical film having a second light incident surface, a second light-emitting surface, and a side surface. The side surface of the optical film and the first light incident surface of the light guide plate are at the same side, and at least one notch is disposed on the side surface. The light emitting element is adjacent to the first light incident surface and capable of emitting a light beam. The light beam is capable of entering the light guide plate through the first light incident surface and being transmitted to the optical film set via the first light-emitting surface. | 05-19-2011 |
20110134660 | Backlight Module Structure - A backlight module structure including a light guide plate and a plurality of light emitting diodes is provided. A plurality of first micro-structures and a plurality of second micro-structures are formed on the light incident surface of the light guide plate, and the first micro-structure and the second micro-structure are respectively disposed on two sides of the light incident surface and distributed along the light incident surface. The first micro-structure has a first receiving surface and the second micro-structure has a second receiving surface. The first and second receiving surfaces are faced oppositely and incline at least one inclined angle, such that the normal lines thereof are deflected to the imaginational center of the light guide plate, respectively. The light emitting diode has an emitting surface disposed correspondingly to the abovementioned the first receiving surface or the second receiving surface, and the lights of light emitting diodes enter into the light guide plate from the first receiving surfaces and the second receiving surfaces. | 06-09-2011 |
20110149600 | LIGHT EMITTING DEVICE AND LIGHT UNIT USING THE SAME - Provided is a light emitting device and light unit using the same. The light emitting device comprises: a body including a horizontal surface; an insulating layer over at least a portion of the horizontal surface; an electrode over at least a portion of the insulating layer; a heat radiation member formed within the body and protruding from the horizontal surface, the heat radiation member comprising two or more surfaces that are inclined with respect to the horizontal surface; and two or more light emitting diodes, wherein each of the two or more light emitting diodes is mounted on a respective one of the two or more inclined surfaces, and wherein each of the two or more light emitting diodes is electrically connected to the electrode. | 06-23-2011 |
20110149601 | LIGHT EMITTING DEVICE AND LIGHT UNIT USING THE SAME - Provided is a light emitting device and light unit using the same. The light emitting device comprises: a body that includes a horizontal surface; an electrode at least partially disposed in the body; two or more mounting parts protruding from the horizontal surface, wherein the two or more mounting parts are separated from each other by a space, and wherein each of the at least two or more mounting parts includes a surface that is inclined relative to the horizontal surface; and two or more light emitting diodes, each mounted on the inclined surface of a corresponding one of the two or more mounting parts and electrically connected to the electrode. | 06-23-2011 |
20110149602 | BACKLIGHT UNIT - Disclosed is a backlight unit. The backlight unit includes:
| 06-23-2011 |
20110149603 | DEVICE FOR COLLIMATING, MAKING UNIFORM AND EXTRACTING LIGHT FOR LIGHTING A DISPLAY DEVICE - Lighting system for a data display device ( | 06-23-2011 |
20110149604 | ENCAPSULANT PROFILE FOR LIGHT EMITTING DIODES - A light emitting packaged diode ids disclosed that includes a light emitting diode mounted in a reflective package in which the surfaces adjacent the diode are near Lambertian reflectors. An encapsulant in the package is bordered by the Lambertian reflectors and a phosphor in the encapsulant converts frequencies emitted by the LED chip and, together with the frequencies emitted by the LED chip, produces white light. A substantially flat meniscus formed by the encapsulant defines the emitting surface of the packaged diode. | 06-23-2011 |
20110157915 | PDT Magnifier Camera Illumination - A device that enlarges text and images to enable a low vision person to see the text and images includes a hollow structure including a top housing and a bottom housing that are connected to one another. A camera aperture is formed in the bottom housing and a transparent light guide lens is disposed in closing relation to the camera aperture so that all light entering the camera aperture must first pass through the light guide lens. A cavity formed in the light guide lens is bounded by walls that are positioned at a critical angle. Light-emitting diodes are positioned at critical locations about the periphery of the light guide lens to illuminate the object being viewed. | 06-30-2011 |
20110164433 | OPTICAL ASSEMBLY, BACKLIGHT UNIT HAVING THE SAME, AND DISPLAY APPARATUS THEREOF - The backlight unit may include a plurality of optical assemblies, which each include a light emitting module having a substrate, a plurality of light emitting devices on a top surface of the substrate, and a connector provided on a bottom surface of the substrate and electrically connected to a power supply unit. The optical assembly may also include a light guide plate including a first part through which the light is received and a second part to output the light, which is laterally received from the first part, through a top surface thereof. A first side cover may be provided over the light emitting module and the first part of the light guide plate. A second side cover may be formed under the light emitting module and the light guide plate, the second side cover having a plurality of connector holes. The connector may be provided in one of the connector holes. | 07-07-2011 |
20110164434 | LIGHT EMITTING ASSEMBLY - A light emitting assembly comprises first and second segmented light guide structures. The first segmented light guide structure comprises first light guide elements physically connected at one end to a first common backbone member. The second segmented light guide structure comprises second light guide elements physically connected at one end to a second common backbone member. The common backbone members define a fixed separation between adjacent ones of the light guide elements. LED light sources are positioned adjacent the common backbone members such that each of the light guide elements receives light from at least one of the LED light sources. The first segmented light guide structure and the second segmented light guide structure are arranged with the first light guide elements interdigitated with the second light guide elements, with sufficient separation between the first light guide elements and between the second light guide elements to provide air gap boundaries between adjacent first and second light guide elements to reduce the amount of light cross talk therebetween and to form a substantially contiguous light emitting surface. | 07-07-2011 |
20110164435 | SIDE VIEW SURFACE MOUNT LED - A light emitting diode is disclosed. The diode includes a package support and a semiconductor chip on the package support, with the chip including an active region that emits light in the visible portion of the spectrum. Metal contacts are in electrical communication with the chip on the package. A substantially transparent encapsulant covers the chip in the package. A phosphor in the encapsulant emits a frequency in the visible spectrum different from the frequency emitted by the chip and in response to the wavelength emitted by the chip. A display element is also disclosed that combines the light emitting diode and a planar display element. The combination includes a substantially planar display element with the light emitting diode positioned on the perimeter of the display element and with the package support directing the output of the diode substantially parallel to the plane of the display element. | 07-07-2011 |
20110170314 | LIGHT EMITTING DIODE DEVICE AND DISPLAY DEVICE - A display device includes a housing, a panel unit disposed in the housing, a light emitting diode module disposed between the housing and the panel unit, and a heat conducting layer. The light emitting diode module includes a circuit board, and a plurality of light emitting diodes disposed on the circuit board. The circuit board includes a board body formed with a plurality of through holes, and a first conducting unit and a second conducting unit disposed on the board body. Each of the light emitting diodes has a bottom portion disposed in a respective one of the through holes, and is coupled between each conducting parts of the first and second conducting units. The heat conducting layer contacts the housing, contacting parts of the first and second conducting units, and the bottom portions of the light emitting diodes. | 07-14-2011 |
20110170315 | EDGE-LIGHTING TYPE BACKLIGHT MODULE - An edge-lighting type backlight module includes a light guide plate, a light source module, a back plate, a thermal conductive element, and a thermal insulating element. The light guide plate has a light-emitting surface, a bottom surface opposite the light-emitting surface, and at least one side surface connected between the light-emitting surface and the bottom surface. The light source module is disposed adjacent to the side surface, and the back plate is disposed adjacent to the bottom surface. The thermal conductive element has a base portion touching the light source module and an extension portion extending to one side of the back plate. The thermal insulating element is connected between the back plate and the thermal conductive element to reduce the heat conduction between the light source module and the back plate. | 07-14-2011 |
20110176330 | BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - The present invention relates to a backlight module and light guide plate thereof. The light guide plate includes a first surface, a second surface and a side surface. The first surface has a plurality of first regions, a second region and a central line. The second region has a plurality of microstructures outside the first regions. The first regions and the second region are solid. The side surface is disposed between the first surface and the second surface. The first regions are adjacent to the side surface and extend toward the central line, and the first regions are intervally spaced. Whereby, the manufacture step of the light guide plate is simplified, and the manufacture cost of the light guide plate is lowered, and the distribution of the microstructures can reduce the hot spots in front a plurality of point light sources efficiently. | 07-21-2011 |
20110176331 | DISPLAY APPARATUS AND ASSEMBLING METHOD THEREOF - A display including a back cover, a front frame, a display panel, a light guide plate, at least one metal bracket and a light emitting element is provided. The front frame is secured to the back cover to form an accommodating space. The display panel and the light guide plate are disposed in the accommodating space. The light guide plate, which has at least one light incident surface and a light exit surface, is configured between the back cover and the display panel. The light exit surface faces toward the display panel. The metal bracket is disposed at side of the accommodating space. The metal bracket has a first part and a second part connected together. The first part is secured to at least the back cover or the front frame. The light emitting element is between the second part and the light incident surface. | 07-21-2011 |
20110182085 | LED MODULE AND BACKLIGHT UNIT HAVING THE SAME - There is provided an LED module, including a bar type circuit substrate formed with at least one groove so as to have a reflecting cup; a plurality of LED chips disposed in the groove of the circuit substrate and linearly arranged in a longitudinal direction of the circuit substrate; and a phosphor film spaced apart from the LED chips and disposed on the circuit substrate to cover the entire groove. | 07-28-2011 |
20110194307 | MULTI-DIRECTIONAL LIGHT INCIDENCE BACK LIGHT PLATE - A multi-directional light incidence back light plate includes a plurality of light bars of high light transmittance arranged to juxtapose each other to form a plate like or a grating like structure. Each light bar has opposite ends to which light sources of light-emitting diode (LED) are mounted so that light emitting from the light sources transmits through the light bar to form a uniform luminous cylinder, which serves as a primary light source for backlighting. A plurality of secondary light sources is arranged at sides of the primary light source to constitute a complete arrangement of a back light plate. The secondary light sources are composed of red light and green light that are combined with the light bar at a predetermined ratio so that various color lights are used to generate excellent color saturation (Ra). | 08-11-2011 |
20110194308 | BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - A light guide plate for distributing light from a light source includes a light scattering surface, a light output surface opposite to the light scattering surface, and a number of side surfaces surrounding the light scattering surface and the light output surface. The light scattering surface includes a number of light scattering dots thereon. The light scattering dots are arranged into a number of rows arranged from a first side of the light scattering surface to an opposite side of the light scattering surface. A distance between every two adjacent rows of the light scattering dots gradually decreases from the first side to the second side, such that the light scattering dots at the second side of the light scattering surface have a greater density than the light scattering dots at the first side of the light scattering surface. | 08-11-2011 |
20110199787 | LED PACKAGE AND A BACKLIGHT UNIT UNIT COMPRISING SAID LED PACKAGE - A light emitting diode (LED) package includes: a main body mounted on a substrate; a light emitting diode that is mounted in the main body and emits light; and a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted. A backlight unit includes: a light guide plate configured to allow a light source to proceed to a liquid crystal panel; a light emitting diode (LED) mounted in a main body mounted on a substrate and generating a light source; and an LED package having a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted, and being mounted on the light guide plate. | 08-18-2011 |
20110199788 | LIGHTING UNIT AND DISPLAY DEVICE HAVING THE SAME - Provided are a lighting unit and a display device including the same. The lighting unit includes a bottom cover having a plurality of sidewalls, light emitting modules each including a board disposed on the bottom cover and a plurality of light emitting diodes mounted on the board, and a light-transmitting resin layer covering the bottom cover and the board. | 08-18-2011 |
20110205760 | Modular solid-state illumination system for vending machines - A modular light emitting diode, edge-lit illuminating arrangement or a modular organic light emitting diode illuminating arrangement providing illumination. More particularly, a modular light emitting diode, edge-lit illuminating arrangement or a modular organic light emitting diode illuminating arrangement providing illumination for vending machines. The illuminating arrangements are adapted for backlighting in vending machines. | 08-25-2011 |
20110211366 | BACKLIGHT MODULE - A backlight module includes a light guide plate having a light incident surface, a light source module, at least one catch member, and a cushion member. The light source module is disposed adjacent to the light incident surface and has at least one light-emitting element, wherein a light beam emitted by the light-emitting element is capable of entering the light guide plate through the light incident surface. The catch member engages with one end of the light source module, wherein the catch member has at least one extension part extending towards the light incident surface of the light guide plate, and the extension part has an end surface facing the light incident surface. The cushion member is disposed between the light guide plate and the light source module and is adjacent to the light incident surface of the light guide plate and the end surface of the catch member. | 09-01-2011 |
20110211367 | REFLECTIVE PLATE, PLANAR LAMP AND PLANAR LAMP FIXTURE INCLUDING THE SAME - A directional prism reflective plate includes a prism surface ( | 09-01-2011 |
20110216556 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes a light guide plate guiding a light, a light source arranged in a side portion of the light guide plate to generate the light, a display panel receiving the light from the light guide plate to display an image, a frame including a sidewall and a support part extended from the sidewall to support the display panel, and an optical member arranged between the light guide plate and the display panel to control a path of the light exiting from the light guide plate. The optical member includes a first side portion and a second side portion, a side surface of the first side portion faces a side surface of the support part, and the second side portion is positioned between the support part and the light guide plate. | 09-08-2011 |
20110249469 | LIGHT SOURCE UNIT AND BACKLIGHT ASSEMBLY HAVING THE SAME - Provided are a light source unit including a plurality of light-emitting diode (LED) packages, which are directly electrically connected to each other, and a backlight assembly having the light source unit. The light source unit includes a first LED package and a second LED package which are adjacent to each other, wherein each of the first LED package and the second LED package includes an LED chip, a lead frame which supplies current to the LED chip, and a housing which fixes the LED chip and the lead frame in place, wherein an end of the lead frame of the first LED package directly contacts an end of the lead frame of the second LED package. | 10-13-2011 |
20110249470 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a back plate, a heat-dissipating element, a light-emitting element, and at least one high-performance heat sink. The heat-dissipating element is disposed adjacent to a light incident surface of the light guide plate, and the heat-dissipating element has a bottom portion and a side portion forming an angle with the bottom portion. The light-emitting element is disposed on one side of the heat-dissipating element facing the light guide plate. The high-performance heat sink is disposed on the back plate, one end of the high-performance heat sink overlaps the heat-dissipating element, and another end of the high-performance heat sink extends away from the light-emitting element. | 10-13-2011 |
20110280045 | Light Emitting Diode Package and Display Apparatus Having the Same - A display apparatus includes a display panel, at least one light emitting diode package, and at least one light guide plate. The light emitting diode package includes a frame extending in a first direction, a plurality of branches branched from the frame in a second direction, and at least two light emitting diode chips inserted between and coupled with two adjacent branches. | 11-17-2011 |
20110292683 | BACKLIGHT UNIT - There is provided a backlight unit. The backlight unit includes a light guiding plate, a light source module including a substrate provided with a circuit wiring and a plurality of light emitting diode (LED) blocks each including one or more LED mounted on the substrate to be positioned vertically with respect to the substrate, the one or more LED being disposed to face a side surface of the light guiding plate, a bottom chassis including a base and a sidewall upwardly extending from a circumference of the base, and accommodating the light source module and the light guiding plate in such a manner that the one or more LED is disposed to be adjacent to the sidewall, and a driving unit controlling a current signal applied to each of the plurality of LED blocks to thereby control brightness for each LED block. | 12-01-2011 |
20110299299 | ANTENNA WITH LIGHTING FUNCTION FOR MOBILE COMMUNICATION SYSTEM - An antenna with a lighting function for a mobile communication system is provided. The antenna includes a radome for passing or spreading light through at least one specific part, and at least one light source for irradiating light to the radome. | 12-08-2011 |
20120014134 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a light guide plate and a light source. The light guide plate has an out light surface. The light source is positioned at a side of the light guide plate, wherein the light source comprises a light source out light surface, and a predetermined angle exists between the light source out light surface and the out light surface of the light guide plate. The present invention is capable of promoting the light leakage issue. | 01-19-2012 |
20120020113 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a light guide plate, a base, a first light emitting diode and a second light emitting diode. The base is disposed at one side of the light guide plate. The first light emitting diode is disposed on a first arrangement surface of the base. The second light emitting diode is disposed on the second arrangement surface of the base. The distance between the first light emitting diode and the bottom surface is longer than the distance between the second light emitting diode and the bottom surface. The present invention can improve color shifting defect and coupling effect of the light emitting diodes. | 01-26-2012 |
20120020114 | BACKLIGHT STRUCTURE - A liquid crystal display apparatus ( | 01-26-2012 |
20120026752 | BACKLIGHT MODULE AND ELECTRONIC DEVICE USING THE SAME - A backlight module includes a support frame, two light sources, and a light guide film. The support frame includes a support portion and a fixing portion connected to an edge of the support portion, and the support frame defines at least one receiving groove. Each light source includes a light output surface and is received in the support frame. The light guide film includes two light input surfaces at the opposite ends thereof and two light guide portions connected with the light input surfaces. The light input surfaces of the light guide film face the light output surfaces of the light sources. | 02-02-2012 |
20120026753 | ILLUMINATION DEVICE AND DISPLAY APPARATUS USING THE SAME - An illumination device for guiding light rays from a light-emitting diode (LED) module toward a light guide plate to thereby perform planar illumination is disclosed. The illumination device includes a printed circuit board with a plurality of LED elements attached thereto. The circuit board has two or more positioning bosses which are attached in the same process as that of the LEDs. While letting the positioning bosses be tightly coupled with corresponding holes provided in the light guide plate, the circuit board and the light guide plate are adhered and fixed together, thereby accurately retaining the positional relationship between the LEDs and the light guide plate. | 02-02-2012 |
20120033446 | BACKLIGHT MODULE - A backlight module comprises a light source circuit board having a plurality of light emitters disposed thereon; a securing component for supporting the light source circuit board rigidly, the securing component comprising a holding portion and an adhesive layer, the adhesive layer being utilized for assembling the light source circuit board and the securing component together to form an assembly; and a casing having a receiving slot, the assembly of the light source circuit board and the securing component being detachably disposed in the receiving slot, the holding portion being utilized for a user to grip when moving the securing component, and the holding portion having a locating hole for being fastened in the casing. The backlight module is capable of reducing the risk of scratching optical films and invasion by foreign objects in a replacement process of the light source circuit board, thereby increasing the lifespan of displays. | 02-09-2012 |
20120033447 | BACKLIGHT UNIT - Provided is a device including a backlight unit including a LED-mounted board having LEDs as a backlight source, a light guide plate to which the LEDs are disposed to face, and which has a light receiving surface to which light from the LEDs incidents and an emission surface from which the incident light is output, and a frame which holds the light guide plate. The frame | 02-09-2012 |
20120044715 | BACKLIGHT MODULE AND DISPLAY DEVICE HAVING THE SAME - A backlight module includes a light guide plate, at least one first light source, and at least one second light source. A first light incident surface and a second light incident surface are alternately arranged on a light incident side of the light guide plate and form an angle with each other. The first light source is disposed adjacent to the first light incident surface, and a light beam emitted by the first light source is guided towards a left half of the light guide plate. The second light source is disposed adjacent to the second light incident surface, and a light beam emitted by the second light source is guided towards a right half of the light guide plate. The first light source and the second light source are alternately turned on and off in succession. | 02-23-2012 |
20120057369 | LIGHT EMITTING STRUCTURE FOR BACKLIGHTED SIGN - There is provided a light emitting assembly for a backlighted sign. The assembly may include first and second light emitting units configured to emit light in corresponding first and second directions into edges of first and second adjacent light guide plates. The assembly may also include a third light emitting unit configured to emit light in a direction substantially transverse to the first and second directions into a backlightable sign panel. Light emitting units are slidably insertable and slidably removable. | 03-08-2012 |
20120069598 | EDGE-TYPE BACKLIGHT MODULE - An edge-type backlight module includes a light guide plate and at least one linear light source. The light guide plate has at least one light-incident sidewall, and the linear light source is substantially parallel to the light-incident sidewall. The linear light source includes a carrier and a plurality of solid-state light-emitting devices. The carrier is equally divided into a first, a second, a third, a fourth, and a fifth device mounting regions sequentially arranged along an extending direction of the carrier. The solid-state light-emitting devices are mounted on the device mounting regions and electrically connected to the carrier. An arrangement pitch of the solid-state light-emitting devices on the fourth device mounting region of the device mounting regions is greater than an arrangement pitch of the solid-state light-emitting devices on the other four device mounting regions. | 03-22-2012 |
20120075887 | LIGHT REDIRECTING FILMS AND FILM SYSTEMS - A light emitting assembly comprises a light source and a light emitting panel member having a panel surface and an input edge for receiving light from the light source. On or in the panel surface is a pattern of individual light extracting deformities. Each of the deformities has a well defined shape and a length and width substantially smaller than the length and width of the panel surface. At least some of the deformities have only two surfaces, each having opposite peripheral edge portions that intersect each other and intersect the panel surface. One of the surfaces of the deformities is substantially perpendicular to the panel surface and is curved in a transverse direction. The other surface of the deformities is a sloping surface. | 03-29-2012 |
20120081922 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a first light module, and a second light module. The light guide plate includes first troughs and second troughs on opposite sides. The first light module includes a first substrate and first LEDs thereon. An opaque element is disposed on each first gap between two adjacent first LEDs, each first LED is embedded in one first trough. The second light module includes a second substrate and second LEDs thereon. An opaque element is disposed on each second gap between two adjacent second LEDs, and each second LED is embedded in one second trough. Each first LED is disposed to one second gap, and each second LED is disposed in one first gap. Light from first LED is absorbed by the opaque element on the second substrate, and that from the second LED is absorbed by the opaque element on the first substrate. | 04-05-2012 |
20120081923 | LIGHT EMITTING DIODE LAMP - A light emitting diode lamp including a back plate, at least one cover, a light guide plate, at least one magnetic element, and a light emitting diode light source is provided. The cover is fixed to the back plate. The light guide plate is disposed on the back plate, and a part of the light guide plate is sandwiched between the back plate and the cover. The magnetic element is disposed on the back plate and sandwiched between the back plate and the cover. The light emitting diode light source is disposed at a side of the light guide plate. | 04-05-2012 |
20120081924 | LIGHT EMITTING PANEL ASSEMBLIES - An optical assembly comprises light sources and a light emitting panel member having an input edge to which each of the light sources is optically coupled at a different location along the input edge. Different sets of individual optical deformities on or in at least one of the sides of the panel member each have at least one surface that is shaped or oriented to extract light propagating in the same direction through the panel member in different directions for viewing from different angles through one of the sides of the panel member. | 04-05-2012 |
20120087149 | ULTRA-THIN LIGHT GUIDE FOR CLUSTER GAUGE ILLUMINATION OVER DISPLAY STRUCTURES - An ultra-thin light guide assembly includes a light guide having a maximum thickness of one millimeter, a light source disposed adjacent a portion of the light guide to emit light rays into the light guide, a reflective material disposed on at least a portion of a first side of the light guide to maximize an internal reflection of the light rays in the light guide, a light extraction feature integrated with the light guide to direct light rays through a second side of the light guide, and a flexible circuit disposed adjacent at least a portion of the light guide, the light source in electrical communication with the flexible circuit to selective energize the light source. | 04-12-2012 |
20120087150 | BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs | 04-12-2012 |
20120092892 | LED LIGHT BOARD - Disclosed is a light emitting diode (LED) light board. The LED light board includes: a light guide panel (LGP) shaped as a rectangle; an LED module disposed at a lateral side of the LGP and including a plurality of LEDs; a first frame having the LED module embedded therein and coupled to one side of an edge of the LGP; a second frame coupled to the other side of the edge of the LGP perpendicular to both ends of the first frame; and a corner finishing end on which the first frame and the second frame are connected to each other and corners of the first frame and the second frame are finished. The first and second frames include a sidewall formed at one edge of the LGP, an upper wing bent on an end of a sidewall, and a lower wing bent on the other end of the sidewall. | 04-19-2012 |
20120099341 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - In a backlight assembly and a display apparatus having the backlight assembly, the backlight assembly includes a back cover configured to accommodate and retain a light source mounted on a circuit substrate into a receiving cavity of the back cover. Heat generated by the light source may be effectively transmitted to the back cover, thereby preventing temperature in the backlight assembly from increasing. | 04-26-2012 |
20120113681 | LIGHTBAR MODULE AND BACKLIGHT DEVICE - The present invention discloses a lightbar module for use in a backlight device. The lightbar module includes a plurality of light source units. The light source unit includes at least one first light-emitting diode (LED) with a first color bin in a first wavelength range and at least one second LED with a second color bin in a second wavelength range. A color bin created by the mixed light of the light emitted by the first LED and the light emitted by the second LED after the mixed light passes through an optical glass element being the same as a color bin of the light emitted by an LED with a middle color bin in the first wavelength range after the light passes through the optical glass element, or being the same as a color bin of the light emitted by an LED with the middle color bin in the second wavelength range after the light passes through the optical glass element. The present invention can effectively increase a utilization rates of LEDs will and the cost will decrease effectively. | 05-10-2012 |
20120127756 | LIGHTING MODULE - A lighting module may be provided that includes a first and a second light sources, both of which are disposed opposite to each other; a first case including the first light source; a second case including the second light source; and an optical plate of which one side is connected to the first case and the other side is connected to the second case and on which light from the first and the second light sources is incident, wherein at least the first and/or the second light sources includes a light emitting diode (LED). | 05-24-2012 |
20120127757 | ACRYLIC FILM FOR PUNCHING, SURFACE LIGHT-SOURCE DEVICE AND PROCESS FOR MANUFACTURING OPTICAL MEMBER - Provided is an acrylic film for punching excellent in transparency and free from breakage or whitening even if it is punched. The present invention is an acrylic film for punching containing a polymer (C) containing a di(meth)acrylate (A) unit represented by general formula (1) below and a mono(meth)acrylate (B) unit: | 05-24-2012 |
20120147625 | LIGHT SOURCE MODULE AND BACKLIGHT MODULE - A light source module and a backlight module therewith are disclosed. The light source include includes a circuit board and a light-emitting diode disposed on the circuit board. The light-emitting diode includes a package unit and a conductive support. The package unit includes an insulation housing, a heat-dissipating support embedded in the insulation housing, and a light-emitting diode chip disposed on the heat-dissipating support and encapsulated by the insulation housing. The light-emitting diode chip includes two electrodes, which are isolated form the heat-dissipating support. The insulation housing thereon defines a light-out surface. The conductive support is disposed on an exterior side surface of the insulation housing and connected to the heat-dissipating support to protrude out the light-out surface. Thereby, the protruding conductive support is also isolated from the two electrodes so as to perform ESD protection for avoiding unexpected damage to the light-emitting diode and extending service life thereof. | 06-14-2012 |
20120147626 | BACKLIGHT MODULE - The backlight module includes a holder having a holder sidewall, a light source disposed on the holder, a light guide plate, and a frame. An end of the light guide plated is fixed on the holder. The frame has a frame sidewall. The holder is assembled on the frame, wherein a gap is formed between the holder sidewall and the frame sidewall, and the gap is utilized as a buffer space of the deformation of the light guide plate. | 06-14-2012 |
20120163025 | LIGHT GUIDE APPARATUS FOR A BACKLIGHT MODULE AND FABRICATING METHOD THEREOF - A light guide apparatus for a backlight module is provided. The light guide apparatus comprises a light guide plate and a light source module. The light guide plate is configured with a circuit contact. The light source module is integrated with the light guide plate in contact with the circuit contact. Besides, a method of fabricating a light guide apparatus for a backlight module is also provided with simpler process and lower fabrication cost. | 06-28-2012 |
20120163026 | LIGHT-EMITTING DIODE PACKAGE, LIGHT SOURCE MODULE HAVING THE SAME AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light-emitting diode (“LED”) package includes a light-emitting chip, a case, first and second lead frames and a dummy lead frame. The light-emitting chip generates light. The case includes a bottom portion and a plurality of sidewalls, wherein the light-emitting chip is positioned in the case. The first and second lead frames are spaced apart from each other and are electrically connected to the light-emitting chip. The dummy lead frame is spaced apart from the light-emitting chip and the first and second lead frames, and is electrically isolated from the light-emitting chip and the first and second lead frames. The dummy lead frame is used as a wiring for connecting the LED package to another LED package, so that the number of signal wirings or a length of a signal wiring may be decreased, and a manufacturing cost of the LED package may be reduced. | 06-28-2012 |
20120163027 | LIGHT-EMITTING DEVICE - It is disclosed a light-emitting device ( | 06-28-2012 |
20120170312 | BACKLIGHT MODULE - A backlight module includes a chassis, a printed circuit board, a light source, and a light guide plate. The chassis includes a bottom plate and a sidewall. The sidewall is disposed on at least one side of the bottom plate. The sidewall has a recess therein. At least one part of the printed circuit board is located in the recess. The light source is electrically connected to the printed circuit board. The light incident side of the light guide plate is opposite to the light emitting side of the light source. | 07-05-2012 |
20120170313 | LIGHT GUIDE APPARATUS FOR A BACKLIGHT MODULE - A light guide apparatus for a backlight module is provided. The light guide apparatus comprises a light guide plate and an electrical component. The light guide plate is configured with a circuit thereon. The electrical component is attached to the light guide plate and electrically coupled to the circuit. The light guide apparatus integrates a light guide panel, a circuit and an electrical component together for obtaining simpler structure and lower cost. | 07-05-2012 |
20120182763 | BACKLIGHT DEVICE, IMAGE DISPLAY DEVICE, AND METHOD OF ASSEMBLING BACKLIGHT DEVICE - A backlight device, where expense reduction is promoted by standardizing lengths of LED boards to one type. The backlight device includes: a light guide plate; and LED boards which are arranged facing end surfaces of side surface portions of the light guide plate and on which LEDs introducing light to the light guide plate are mounted, wherein lengths of long sides of the LED boards arranged on long sides facing end surfaces in a long side direction of the light guide plate and lengths of long sides of the LED boards arranged on short sides facing end surfaces in a short side direction of the light guide plate are all the same. | 07-19-2012 |
20120195069 | CLAMP STRUCTURE FOR FIXING A LIGHT BAR ON A BASE AND BACKLIGHT MODULE HAVING CLAMP STRUCTURE - A clamp structure includes a first board portion, a second board portion connected to a lateral side of the first board portion in an elastically deformable manner, and a third board portion connected to the other lateral side of the first board portion opposite to the second board portion in an elastically deformable manner. The third board portion and the second board portion are disposed on the same side of the first board portion for clamping two surfaces of a base, and the first board portion contacts against a light bar for fixing the light bar on the other surface of the base. | 08-02-2012 |
20120195070 | LED BACKLIGHT FOR DISPLAY SYSTEMS - An LED backlight method for display systems comprising receiving a plurality of light emitting diodes categorized into a plurality of bins, wherein each bin references a separate range of white point colors, and determining an optimal order for mounting the plurality of light emitting diodes at spatially distributed positions, the plurality of light emitting diodes comprising white point colors associated with separate bins, wherein the optimal order of the plurality of light emitting diodes produces a light of a desired white point color when the light outputs of the plurality of light emitting diodes are mixed. | 08-02-2012 |
20120218777 | Light Source Module, LED Receiver and Backlight Device - A light source module is disclosed. The light source module comprises a light emitting diode (LED) and an LED receiver. The LED is provided with a locating element on a side surface thereof. The LED receiver has a receiving portion, and a snap-fitting structure is disposed on a side surface of the receiving portion to mate with the locating element so that the LED can be located in the receiving portion of the LED receiver. An LED receiver and a backlight device are also disclosed. The light source module and the LED receiver of the present invention allow for optimization of the assembling process of the LED. | 08-30-2012 |
20120224393 | LED BACKLIGHT MODULE - Disclosed herein is an LED backlight module, which includes a metallic plate, a metallic sidewall, a connecting portion, a light guide and an LED ribbon. The metallic sidewall is substantially perpendicular to the metallic plate and located beside a side edge of the metallic plate. The metallic side-plate has a lower edge extending downwards to a position beneath a lower surface of the metallic plate. The connecting portion extends in a direction towards the side edge of the metallic plate from the lower edge of the metallic sidewall, and is further connected to the side edge of the metallic plate. The light guide is disposed above the metallic plate, and the LED ribbon for emitting a light into the light guide is disposed on the metallic sidewall. | 09-06-2012 |
20120230056 | LIGHT SOURCE MODULE AND ELECTRONIC DEVICE INCLUDING SAME - A light source module of the present invention includes: a plurality of light guide bodies ( | 09-13-2012 |
20120236597 | LAMP AND FRAME MODULE THEREOF - A frame module includes a frame strip, a light emitting diode (LED) bar, and a fastener. The frame strip has a heat-dissipating portion, two elastic arms extended in one direction from the two edges of the heat-dissipating portion, and two pressing portions inwardly protruded form the two elastic arms. The heat-dissipating portion, the two elastic arms, and the two pressing portions define an accommodating trough. The LED bar has a printed circuit board (PCB) and a plurality of LEDs mounted on the PCB. The PCB is arranged in the accommodating trough of the frame strip and clamped between the heat-dissipating portion and the two pressing portions. The fastener is fixed on the two elastic arms. Thus, the heat generated form the LED bar is conducted by the LED bar directly contacting the frame strip. Besides, the instant disclosure also provides a lamp. | 09-20-2012 |
20120236598 | EDGE-ILLUMINATED FLAT PANEL AND LIGHT MODULE FOR SAME - An apparatus comprising a transparent or translucent panel and a light module comprising a plurality of light emitting diode (LED) devices. The light module is mechanically connected to an edge of the panel with the LED devices oriented to inject light into the edge of the panel. | 09-20-2012 |
20120243258 | LIGHT SOURCE ASSEMBLY AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light source assembly includes a first substrate, a plurality of first light source units mounted on the first substrate and spaced apart from each other by a first distance, a second substrate and a plurality of second light source units mounted on the second substrate and spaced apart from each other by a second distance, each of the second light source units being disposed between the first light source units adjacent to each other. | 09-27-2012 |
20120250353 | MANUFACTURING METHOD FOR LIGHT GUIDE PLATE, LIGHT GUIDE PLATE, BACK LIGHT DEVICE, ILLUMINATION DEVICE, AND PARTITION PLATE DEVICE - It is an object to provide a partition plate device capable of rendering a light guide plate function as a transparent member likewise a window plate and as a light shielding member used as an area light source having a prescribed pattern. The invented partition plate device includes a light guide plate having, on double sides as major surfaces thereof, plural recess pattern scars formed partly melting through vibration of ultrasound under contacting fabrication dots provided in a matrix shape at an ultrasound fabrication horn to major surfaces thereof with pressure; and a light source unit rendering light enter from a side surface of the light guide plate and diffused light occur from the recess pattern scars, wherein the light guide plate functions as a transparent member while no light enters from the light source unit and functions as a light shielding member made of an area light source having a prescribed pattern formed with the recess pattern scars while light enters from the light source unit. | 10-04-2012 |
20120257415 | 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. | 10-11-2012 |
20120275191 | BACKLIGHT MODULE AND LIGHT-BAR FIXING STRUCTURE THEREOF - The present invention provides a backlight module and a light-bar fixing structure thereof. The light-bar fixing structure of the backlight module is mounted on a sidewall of a rack of the backlight module. The light-bar fixing structure has a plurality of clamping arms that are arranged side by side as a row of teeth and is capable of stably clamping and positioning a light bar of the backlight module. Thus, the light bar can be fixed on the rack without fastening through screws or thermally conductive adhesive tapes, so that mounting and dismounting are both convenient and fast. And dismounting process of the light bar does not need to dismount other components of the backlight module, such that other components of the backlight module can be prevented from being polluted during the dismounting process. | 11-01-2012 |
20120294040 | LIGHT-EMITTING DIODE HEAT-DISSIPATION STRUCTURE AND BACKLIGHT MODULE - The present invention provides a light-emitting diode (LED) heat-dissipation structure and a backlight module. A plurality of heat-dissipation lamp holders and at least one circuit board are disposed on an upper surface of a heat-dissipation bottom plate of the LED heat-dissipation structure. A recess is formed on a top surface of each of the heat-dissipation lamp holders, and at least one LED chip is disposed in each recess. Two lead wires are electrically connected between the LED chip and the circuit board. The heat of the LED chips is dissipated outside by the heat-dissipation lamp holders and the heat-dissipation bottom plate with being obstructed by the circuit board, thus improving the heat-dissipation efficiency and life time of the LED heat-dissipation structure. | 11-22-2012 |
20120294041 | BACKLIGHT MODULE WITH THERMAL INSULATION - The present invention discloses a backlight module with thermal insulation. The backlight module mainly includes a frame assembly, a light-emitting source and thermal-insulating material. The frame assembly has a backlight cavity defined inside the frame assembly for placing an optical component. The light-emitting source is mounted at a side of the frame assembly. The thermal-insulating material is mounted on an internal surface of the frame assembly and insulates heat conducted to the internal surface of the frame assembly from entering the backlight cavity. Since the thermal-insulating material insulates the heat of the light-emitting source from entering the backlight cavity via the frame assembly, the present invention effectively lowers the temperature in the backlight cavity and reduces the aging speed of the optical component in the backlight cavity. | 11-22-2012 |
20120294042 | LED MODULE, BACKLIGHT UNIT INCLUDING THE LED MODULE, AND METHOD FOR MANUFACTURING THE LED MODULE - A light emitting diode (LED) module having a structure capable of effectively dissipating heat generated from an LED chip thereof, and a backlight unit including the same are disclosed. The LED module includes a base made of a metal material, an insulating layer provided on the base, a circuit layer provided on the insulating layer, an LED package provided on the circuit layer, and a bonding layer extending through the insulating layer and the circuit layer, to connect the LED package to the base. | 11-22-2012 |
20120307523 | LIGHT SOURCE DEVICE AND DISPLAY DEVICE - Provided is a light source device capable of minimizing or preventing a decrease in amount of light emitted from portions in the vicinity of a locking member of a light guide plate, and capable of making intensity distribution in a plane of light emitted from the light guide plate uniform. The light source device includes a light guide plate | 12-06-2012 |
20130016527 | LIGHT GUIDE FOR BACKLIGHT - The present invention provides a light guide for an electronically addressable display (such as an LCD) that mixes optical signals from a plurality of emitters, and mixes these signals to produce, for positions on the display, position-unique signals. A stylus or other receiving device may determine its position relative to the electronically addressable display by analyzing the position-unique signals. | 01-17-2013 |
20130016528 | ENHANCED COLOR GAMUT LED BACKLIGHTING UNIT - A method for operating a backlighting unit adapted for illuminating a printed graphic with light emitted from an illumination surface of a light guide. The method includes the step of arranging a plurality of LEDs so that light emitted therefrom impinges upon an input surface of the light guide. The method specifically requires that the LEDs emit light that is roughly equivalent to solar illumination of 6500K CCT yet enhanced in the blue and the red portions of the spectrum thereby producing light in the range of 7500K CCT to 9000K CCT. | 01-17-2013 |
20130021821 | LIGHT GUIDE PLATE AND BACKLIGHT ASSEMBLY INCLUDING THE SAME - A backlight assembly includes a first light source unit including n light emitting members; and a light guide plate including a first side adjacent to the first light source unit, and a first groove adjacent to a first end of the first side. | 01-24-2013 |
20130021822 | Optical Waveguide Plate Comprising Phosphorus-Containing Structure Elements - The invention relates to an optical waveguide plate having a first flat side ( | 01-24-2013 |
20130027976 | METHOD AND SYSTEM FOR FLEXIBLE ILLUMINATED DEVICES HAVING EDGE LIGHTING UTILIZING LIGHT ACTIVE SHEET MATERIAL WITH INTEGRATED LIGHT EMITTING DIODE - An edge lighting device, and a method of providing edge lighting, including providing a lighting device with at least one light emitting diode (LED) chip embedded therein, wherein the LED chip(s) generates light photons. A path of the light photons within the lighting device that are emitted by the LED chip(s) from a top surface of the LED chip(s), are redirected from a first edge of the lighting device back through the lighting device to a second edge of the lighting device opposite to the first edge. The first edge and the second edge of the lighting device are perpendicular to the top surface of the LED chip(s). The photons which were redirected from the first edge of the lighting device then follow a path through the second edge of the device and are then output from the edge lighting device at the second edge of the device. | 01-31-2013 |
20130033900 | LIGHTING ASSEMBLY WITH CONFIGURABLE ILLUMINATION PROFILE - A lighting assembly includes an edge-lit light guide and a light redirecting member. Light extracting elements at the light guide extract light from the light guide as intermediate light. Light redirecting elements at the light redirecting film are configured to redirect the intermediate light received from the light guide to illuminate a target surface in accordance with a defined illumination profile. | 02-07-2013 |
20130039092 | DISPLAY APPARATUS AND LIGHT SOURCE PACKAGES EMPLOYED THEREIN - Display apparatuses are provided. The display apparatus includes a light source package generating light, a circuit board including a recessed region in which the light source package is disposed, a display panel displaying images, and a light guide plate directing the light generated from the light source package onto the display panel. The light guide plate includes a top surface, a bottom surface, and a plurality of sidewall surfaces. One of the sidewall surfaces of the light guide plate is a light incident surface on which the light from the light source package is irradiated. A distance between the light source package and the light incident surface is less than a width of the circuit board. | 02-14-2013 |
20130044516 | LIGHT-GUILD-PLATE POSITIONING SHEET AND CORRESPONDING BACKLIGHT MODULE - The present invention provides a light-guide-plate (LGP) positioning sheet, which comprises: a fixing portion used to fix the LGP positioning sheet onto a fixing frame of a backlight module, a positioning portion used to abut against and position a light guide plate, and a connecting portion used to connect the fixing portion and the positioning portion. The present invention is further related to a backlight module. According to the LGP positioning sheet and the backlight module of the present invention, the LGP positioning sheet can efficiently ensure the complete alignment between a light emitting diode (LED) light source and a light input side surface of the light guide plate, so as to increase the light utilization rate of the light guide plate. | 02-21-2013 |
20130070480 | ENCAPSULATED LED ARRAY AND EDGE LIGHT GUIDE DEVICE COMPRISING SUCH AN LED ARRAY - This invention relates to structures for mounting LEDs, said structures being suitable for use in the manufacture of light guide devices. This invention also relates to light guide devices comprising said structures and methods of manufacture of the aforementioned. The light guide devices are suitable for use in a range of applications, particularly in connection with the backlighting of displays, for example, liquid crystal displays. | 03-21-2013 |
20130083559 | DETACHABLE LIGHT EMITTING DEVICE USING LIGHT EMITTING DIODE MODULES - The present invention relates to a detachable light emitting device using light emitting diode modules, and the detachable light emitting device comprises: a body casing, in which a front frame is mounted on the front thereof, and in which one or a plurality of detachable parts is or are installed on an upper side or a lower side of the body casing; radiation stands which are vertically erected on both left and right sides inside the body casing, and have front cutting grooves; light guide plate stands which are vertically inserted and coupled in the front cutting grooves of each of the radiation stands, respectively, and in which side mounting grooves are formed on each one side thereof; LED module mounting stands which are vertically inserted and coupled in the side mounting grooves of each of the light guide plate stands, respectively, and in which LED mounting grooves are vertically formed on each one side thereof; LED modules, in which printed circuit boards having a plurality of LEDs thereon are vertically inserted and coupled in the LED mounting grooves of each of the LED module mounting stands, respectively; light guide plates which show surface emission effects when the LEDs of the LED modules are adjacent thereto; and a front plate which is installed on the front side inside the body casing, wherein various characters or drawings, photos and the like are printed thereon. | 04-04-2013 |
20130100701 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCLUDING SAME - A light guide plate includes a light incident surface and a plurality of micro cylinders protruding from the light incident surface in parallel. Each of the micro cylinders has a circumference surface and two opposite end surfaces. The circumference surface is connected to the light incident surface. The two end surfaces are positioned on two opposite ends of the circumference surface, and are perpendicular to the light incident surface. Each of the two end surfaces is circular arc-shaped, and the radius of each of the two end surfaces is in the range of 0.04 μm to 0.07 μm. | 04-25-2013 |
20130107574 | BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME | 05-02-2013 |
20130114298 | BACKLIGHT AND DISPLAY DEVICE - Embodiments of the present invention disclose a backlight and a display device, to reduce the number of LEDs in a backlight, save costs, while avoiding dark areas appearing on the screen, so as to ensure display effect. The backlight comprises a first light guide plate and at least one light-emitting diode assembly, and the light-emitting diode assembly is located on one side of the first light guide plate. The light-emitting diode assembly comprises a second light guide plate, at least one light-emitting diode and a reflective film, wherein the at least one light-emitting diode is located on at least one side of the second light guide plate, and the reflective film is located on at least one side of the second light guide plate. | 05-09-2013 |
20130114299 | DISPLAY DEVICE - Provided is a display device. The display device includes a light guide plate, a light source disposed on a side surface of the light guide plate, a light conversion member disposed between the light source and the light guide plate, and a first adhesion member closely attached to the light guide plate and the light conversion member. An air layer between the light source and the light guide plate is removed by the first and second adhesion members to improve light incident efficient into the light guide plate. | 05-09-2013 |
20130128618 | Back Frame and Backlight System - The present invention provides a back frame of flat panel display device, which includes primary assembling pieces, secondary assembling pieces, and a bracing piece for fixing a circuit board. The primary assembling pieces have a number of at least two, and the at least two primary assembling pieces are connected through joining to form a main frame structure of the back frame. The secondary assembling pieces are joined to the primary assembling pieces. According to practical needs of the main frame structure, different materials are used for different parts at different locations. The back frame is provided with the bracing piece for fixing a circuit board, and the bracing piece includes a bracing body, a first suspension section, a first bearing section, and a first resilient bent section. The present invention also provides a backlight system. The back frame and the backlight system of the present invention have a back frame having a simple structure, overcome the problem that a circuit cannot be easily fixed, reduce the expenditure of a back frame mold, and save the material used for back frame so as to lower down the cost of flat panel display device. | 05-23-2013 |
20130135900 | LIGHT SOURCE APPARATUS OF BACKLIGHT MODULE - A light source apparatus includes a light guide plate, a number of optical fibers, at least two first light emitting diodes, and at least two second LEDs. Each fiber has a light exiting surface facing the light guide and at least two light entrances at both ends of the fiber. The second LEDs are located on both sides of the light guide plate. Light generated by the first LEDs has a wavelength longer than that generated by the second LEDs. The light generated from the first LEDs enters the light guide plate after travelling through the optical fiber to mix with the light generated from the second LEDs to provide a good color rendering property of the light generated by the light source. | 05-30-2013 |
20130141940 | LED Light Bar and Backlight Module of Liquid Crystal Display Device - The present invention provides an LED light bar and a backlight module of liquid crystal display device. The LED light bar of liquid crystal display device includes: a metal core printed circuit board and an LED chip mounted on the metal core printed circuit board. The metal core printed circuit board includes a metal substrate, an insulation layer formed on the metal substrate, and a circuit formed on the insulation layer. The LED chip has leads to electrically connect with the circuit. The insulation layer forms a hollow portion corresponding to the LED chip. The LED chip is received in the hollow portion and the LED chip has an undersurface engaging the metal substrate. The present invention has a simple structure, is easy to manufacture, and makes an LED light bar showing improved heat dissipation performance. | 06-06-2013 |
20130141941 | Large Area Light Source - A large area light source includes a narrow space of several millimeters long arranged between adjacent ends of circuit boards of LED bars that are arranged in series in their longitudinal direction, and one end or both ends of a connecting pin is attached movable in its longitudinal direction to a coupling terminal arranged on an end of the circuit board of the LED bar, the LED bar is attached movable in its longitudinal direction to its holder. Even if deformation of distortion, bending, or strain is induced by transportation, installation, or use of the area light source, the movable LED bar as well as the connecting pin absorbs expansion and contraction stress working between the adjacent ends of the circuit boards to securely prevent such breaking of wire incurred by use of a plurality of divided LED bars. | 06-06-2013 |
20130141942 | Linear Light Source Module and Optical Touch Device with the Same - A linear light source module includes a mirror light guide component and a light emitting component. The mirror light guide component has a light emitting end, a surface having a mirror light reflecting layer formed thereon and a light incidence end. The light emitting component is configured for providing light to the light incidence end. The mirror light guide component is a light guide bar and is configured for converting the light from the first light emitting component into a linear light when the light emitting component is lighted, and the mirror light guide component is a mirror bar and is configured for providing a mirror function when the light emitting component is closed. An optical touch device with the linear light source module can avoid a blind zone and can be used as a dual-touch device or a multi-touch device. | 06-06-2013 |
20130155722 | LIGHT GUIDE PLATE AND EDGE LIGHT BACKLIGHT DEVICE - An edge light backlight device includes a light guide plate having a base portion and microstructures, LEDs, and a reflective plate. The base portion has a light emitting side, a rear side, and a light incident side. The microstructures are formed on one of the light emitting side and the rear side and each of which extends from the light incident side in a longitudinal direction. Each of the microstructures includes a curved surface with a radius of curvature (R). The light guide plate has a thickness (T). R/T ratio ranges from 0.04 to 0.15 and each of the microstructures has a height ranging from 20 μm to 300 μm so that the light guide plate has a performance of local lighting ranging from 1% to 40%. | 06-20-2013 |
20130163284 | LATERAL PLANAR LIGHT EMITTING MODULE - A lateral planar light emitting module has a rectangular base plate and a plurality of light emitting diodes, and the light emitting diodes are designed with an array arrangement and installed on both opposite sides of the rectangular base plate respectively, so that a light exit surface opposite to a light projection area with a different intensity produced by the same light emitting diode has an optical path with a different distance after a light source emitted from the light emitting diodes is projected directly or reflected from a reflective micro-structure of the rectangular base plate, and a light emitting effect with a uniform light intensity distribution is achieved on the light exit surface to lower the manufacturing cost and improve the light emitting efficiency effectively. | 06-27-2013 |
20130163285 | COOLING STRUCTURE FOR LIGHT EMITTING ELEMENTS FOR LIQUID CRYSTAL PANEL - A cooling structure for light emitting elements for a liquid crystal panel according to the present invention includes: a long-shaped substrate that is disposed so as to extend along an edge of a light guide plate provided on a rear surface of a liquid crystal panel, and in which a plurality of through-holes are formed; a plurality of light emitting elements that are disposed on a front surface of the substrate so as to face the light guide plate; and a chassis that is provided at a rear surface side of the substrate, and the through-holes are arranged at a higher density at a center portion of the substrate in a long direction than at end portions of the substrate in the long direction. | 06-27-2013 |
20130176749 | DISPLAY DEVICE AND INPUT DEVICE WITH MULTI PATTERN LAYERS - The present invention discloses an input device with multi pattern layers including an input interface, a first light emitting element for generating a first light beam, a first light guiding plate, a second light emitting element for generating a second light beam, a second light guiding plate, a first circuit board and a second circuit board. The input interface is stacked on the first light guiding plate, and the first light guiding plate is stacked on the second light guiding plate, such that a first space and a second are formed individually at the two ends of the first light guiding plate and the second light guiding plate. The first circuit board and the second circuit board block the first light beam and the second light beam individually by inserting into the first space and the second space individually. | 07-11-2013 |
20130182457 | LIGHTING ASSEMBLY WITH STATIC AUTOSTEREOSCOPIC IMAGE OUTPUT - A lighting assembly includes a light guide in which light propagates by total internal reflection between opposed major surfaces. The light guide receives light generated by two light sources at opposed light input edges of the light guide. The light guide includes light extracting elements that respectively extract light to form a left eye image at a first region and a right eye image at a second region. The left eye and right eye images, when viewed by a viewer, form a static autostereoscopic image. | 07-18-2013 |
20130194824 | BACKLIGHT STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - A backlight structure includes a light source module and a light guiding plate. The light source module includes a circuit board, a lighting unit arranged on the circuit board, and a hollow baffle plate surrounding the lighting unit. The circuit board defines a groove in a surface thereof, and a bottom end of the baffle plate is embedded in the groove. The lighting unit is located between the light guiding plate and the circuit board, and the light guiding plate is disposed on the baffle plate. A method for manufacturing the backlight structure is also provided. | 08-01-2013 |
20130208508 | LIGHT EMITTING DEVICE WITH OPTICAL REDUNDANCY - An optically redundant light emitting device includes a light transmitting film comprising an array of coupling light-guides extending from a light emitting area defined within the light transmitting film. Each coupling lightguide is bent to form a stacked array of coupling lightguides. A first group of light sources comprising at least one light source is positioned to emit light into the stacked array of coupling lightguides, and a second group of light sources comprising at least one light source is positioned to emit light into the stacked array of coupling lightguides. A first optical path of the light emitted from the first group of light sources overlaps with a second optical path of the light from the second group of light sources in each coupling lightguide. | 08-15-2013 |
20130215646 | LIGHTING DEVICE HAVING A LIGHT GUIDE STRUCTURE - A lighting device includes a light guide structure. The light guide structure is arranged in tiers by a plurality of thin-film modules in which a portion of a first surface of each lower one of the plurality of light guide layers is covered by an upper one of the plurality of light guide layers to form an uncovered portion of the first surface. Each of the thin-film modules is configured to transmit light therein emitted from light emitting diodes (LEDs) to the uncovered portion and emit the light from the uncovered portion of the first surface thereof. | 08-22-2013 |
20130223100 | Universal Light-Emitting Diode Retrofit Assembly For Light Fixtures - A light-emitting diode (LED) system to retrofit a light fixture has a frame configured to be installed under an existing light fixture and a LED lighting assembly couplable to the frame. In one example, the frame is formed as a plurality of rails having a flange to be installed between the light fixture and a grid member of a ceiling suspension system. The frame may be installed without removal of the existing light fixture. The LED lighting assembly includes an LED array and an optical waveguide for dispersing light from the LED array. The LED system maintains a thin profile, enabling it to retrofit existing light fixtures. Installation time is reduced, thereby reducing labor costs, while the LED lighting provides more light with less energy. | 08-29-2013 |
20130242611 | Side-Edge Backlight Module - The present invention provides a side-edge backlight module, which includes a backlight source that emits blue light, a light guide board, and a fluorescent powder layer. The light guide board includes a light incidence surface. The backlight source is set corresponding to the light incidence surface and is arranged at one side of the light guide board. The fluorescent powder layer is mounted by a bonding layer to the light incidence surface of the light guide board. The bonding layer has an end face that is in contact engagement with the fluorescent powder layer and includes a smooth continuous curved surface. The fluorescent powder layer is set along the curved surface. The fluorescent powder layer is excited by the blue light emitting from the backlight source to generate white light. The white light transmits through the bonding layer to enter the light guide board. | 09-19-2013 |
20130258713 | Backlight Module, LCD Device and Light Source of Backlight Module - The invention provides a backlight module, an LCD device and a light source of the backlight module. The backlight module includes an LED chip, and a heat sink; the LED chip and a circuit thereof are directly arranged on the heat sink. In the invention, because the LED chip of the backlight module and the circuit thereof are directly arranged on the heat sink, heat emitted by the LED chip can be conducted out through the heat sink with good heat dissipation effect; thus, the inside temperature of the backlight module is reduced, and the heat dissipation efficiency of the backlight module is increased. | 10-03-2013 |
20130258714 | LIGHT EMITTING DIODE LIGHT BAR STRUCTURE AND BACKLIGHT MODULE - The present invention discloses a light emitting diode (LED) light bar structure and a backlight module. The LED light bar structure is provided with a plurality of the light source sets. Each of the light source sets comprises a first LED and a second LED, and the chromaticity of the first LED and the chromaticity of the second LED are complementary. Hence, it is not necessary to consider with the others of the light source sets, so that it can achieve mixing a uniform white light, and the backlight module will not appear the phenomenon of “Mura”. Besides, the material of the LED will not be wasted, and it is easy to control the identical chromaticity between the different backlight modules. | 10-03-2013 |
20130258715 | Display Screen Assembly - A display screen assembly is suitable for use in a digital device that lacks the processing power, memory, or both needed to carry out light-simulated bar code processing. The display screen assembly includes a display screen having a display area and mounted to a flexible circuit. The flexible circuit includes numerous conductive circuit traces including terminal ends, and various electronic components such as a controller and a screen driver. The various components may be covered by a cover layer, and the display screen including the display area may be covered by a sheet of transparent material. An LED may be generally positioned near an edge or corner of the display screen, and may be may be controlled by a digital device processor or by the controller on the flexible circuit, as desired, for producing light-simulated bar codes. | 10-03-2013 |
20130272027 | Method for Manufacturing LED Light Bar and LED Light Bar and Backlight Module - The present invention provides a method for manufacturing LED light bar, which includes the following steps: (1) providing light-emitting dies of different sizes; (2) measuring luminous intensities of the light-emitting dies; (3) selecting among the light-emitting diodes ones of which the luminous intensities are different from each other by less than 5%; (4) encapsulating the selected ones of the light-emitting dies to form LED lights, which are of substantially identical encapsulated size; and (5) mounting and electrically connecting the LED lights to a printed circuit board to form an LED light bar. The method for manufacturing LED light bar according to the present invention uses light-emitting dies of different sizes so as to improve utilization rate of an entire wafer and effectively reduce the manufacture cost. | 10-17-2013 |
20130272028 | LIGHT GUIDE PLATE FOR PLANE LIGHT SOURCE, METHOD FOR MANUFACTURING THE SAME, AND PLANE LIGHT SOURCE UNIT USING THE SAME - A light guide plate and a plane light source unit are provided. The light guide plate for a plane light source unit includes a plurality of unit pattern regions each having a plurality of optical patterns on surfaces thereof, wherein one or more unit pattern regions have different sag values (height:lens size) of the optical patterns constituting the unit pattern regions. Unit pattern regions are implemented with segmented optical patterns, which are equal in height, from the outside of the light guide plate to the central part thereof, by adjusting the density and size of microlenses, thereby improving the light uniformity and light efficiency and improving the efficiency of manufacturing processes. | 10-17-2013 |
20130279193 | ELECTRONIC DEVICE FOR POSITIONING LIGHT GUIDING ELEMENT - The electronic device includes a first cover, a second cover, a light guiding element, and a PCB. A first blocking rib is formed on a bottom of the first cover. A retaining panel extends from the bottom and includes a hook at a distal end thereof. The second cover includes a second blocking rib. The PCB is positioned between the two covers. A light source is mounted on the PCB. A light guiding element includes a flat panel and two sidewalls extending from the flat panel. The hook engages with the end surface of the first sidewall. The first blocking rib and the retaining panel abut against opposite sides of the light guiding element. The second blocking rib abuts against the end surface of the second sidewall. The light guiding element is coupled to the light source and configured to transmit the light from the light source. | 10-24-2013 |
20130279194 | Light emitting systems and related methods - A light-emitting system that utilizes light guides for edge lighting and back lighting applications is disclosed. A process of making the light-emitting system is also disclosed. An edge-lit thin light-emitting system can include a light guide sheet disposed between a reflector sheet and a diffuser lens sheet, at least one strip of LED arrays embedded in the optically clear material, the at least one strip is disposed on the edges of the light guide sheet with the light-emission side of LEDs facing the light guide; and, optionally, a frame disposed around the perimeter of the sheets; wherein the at least one strip of LED arrays is attached to the light guide sheet such that an air gap between the LEDs and the light guide is eliminated. | 10-24-2013 |
20130279195 | BACK LIGHT UNIT - The present invention relates to a structure of an edge-type back light unit, particularly to a structure comprising a light source receiving part, which receives a light source such as LED formed to the central direction of an optical plate at one side or the other side of the optical plate. | 10-24-2013 |
20130286684 | ARRAY ILLUMINATION SYSTEM - This disclosure provides systems, methods, and apparatuses for array illumination. In one aspect, an array of light engines is coupled to a support structure. Each light engine can be separately controlled to achieve a desired output beam. In another aspect, a support structure includes an array of LED emitters. The support structure is configured to removably receive a plurality of light guides over the array of LED emitters, thereby forming an array of light engines. The support structure can include an integrated heat sink in thermal communication with the array of LED emitters. Light from the LED emitters is distributed over the surface of the light guides to produce a desired output beam. The light engines can be configured to produce output beams of differing color, direction, shape and/or size. | 10-31-2013 |
20130286685 | LIGHT SOURCE MODULE - A light source module including a light guide plate, a plurality of light emitting devices, and a plurality of first reflective devices is provided. The light guide plate has a plurality of through holes and a light emitting surface. The through holes pass through the light emitting surface. Each of the through holes has a first side wall and a second side wall opposite the first side wall. At least one of the light emitting devices is disposed in each of the through holes. Each of the light emitting devices is capable emitting a light beam. The light beam enters the light guide plate from the first side wall of the through hole which the light emitting device is disposed in and leaves the light guide plate from the light emitting surface. The first reflective devices are disposed on the second side walls of the through holes. | 10-31-2013 |
20130301297 | Backlight Module - The present invention provides a backlight module, which includes a backplane, a light guide plate arranged inside the backplane, a backlight source arranged inside the backplane, and a support member arranged inside the backplane to support the light guide plate and the backlight source. The backlight module of the present invention uses a support member to simultaneously support a backlight source and a light guide plate in order to realize sound relative positioning between the backlight source and the light guide plate and improve stability of light coupling. The structure is simple and the cost is low so as to be helpful to realize thinning. | 11-14-2013 |
20130308340 | ALUMINUM EXTRUSION HEAT SINK STRUCTURE AND CORRESPONDING BACKLIGHT MODULE - The present invention relates to an aluminum extrusion heat sink structure and a corresponding backlight module. The aluminum extrusion heat sink structure comprises a light source connecting portion, a back plate connecting portion and a light guide plate support portion. The manufacture cost of the aluminum extrusion heat sink structure is lower, and the heat dissipation effect is better, so as to solve the technology problem that the volume of a traditional aluminum extrusion heat sink structure is larger caused the cost of the aluminum extrusion heat sink structure and the corresponding backlight module is higher. | 11-21-2013 |
20130308341 | FLAT PANEL DISPLAY AND METHOD FOR ASSEMBLING THE FLAT PANEL DISPLAY - A front frame of a flat panel display having positioning structure allows a LCD cell to be positioned and mounted thereon along an assembly direction. A restraining frame may be further incorporated for positioning and spacing purposes for each component of the display. Optical films, a light guide component, a backlight unit, and a reflector of the flat panel display are then mounted in a row along the assembly direction on the restraining frame or the front frame, where the backlight unit and/or the reflector may be fixed to a back cover of the backlight module in advance. Finally, a speaker, wiring of the display, circuit boards, and a board cover are assembled to the front frame and the back cover. | 11-21-2013 |
20130314946 | AUTOMOTIVE HEADLAMP ASSEMBLY - A headlamp assembly includes a bezel defining a first surface and a second surface inclined with respect to the first surface and located at an outboard periphery, a series of fingers separated by slots, each slot extending through the first surface and the second surface, light sources, and light guides, each light guide fitted into one of the slots, for transmitting light from one of the light sources, along and through one of the slots. | 11-28-2013 |
20130322120 | OPTICALLY TRANSMISSIVE SUBSTRATES AND LIGHT EMITTING ASSEMBLIES AND METHODS OF MAKING SAME, AND METHODS OF DISPLAYING IMAGES USING THE OPTICALLY TRANSMISSIVE SUBSTRATES AND LIGHT EMITTING ASSEMBLIES - Images are displayed in response to a video signal using a light emitting assembly having one or more optically transmissive substrates, films or sheets, each having at least one pattern of optical elements on or in the substrates, films or sheets. A plurality of light sources are configured to illuminate one or more output areas of one or more of the substrates, films or sheets. The light emitting assembly is configured to emit light through the pattern of optical elements and produce a predetermined luminance profile of the light emitting assembly. At least some adjacent substrates, films or sheets may have portions that overlap, and at least one pattern of optical elements on or in at least one side of the substrates, films or sheets may be configured so that discontinuities between the adjacent substrates, films or sheets are minimized. | 12-05-2013 |
20130322121 | BACKLIGHT MODULE - A backlight module includes an outer cover, a heat dissipation plate, a frame, a light guide plate, a back plate, and a light source. The outer cover includes a side wall. The heat dissipation plate is disposed within the outer cover and has a flat plate-shaped first end. The frame is disposed within the outer cover. The light guide plate is disposed between the heat dissipation plate and the frame. The back plate is disposed within the outer cover and has a flat plate-shaped second end parallel to the first end of the heat dissipation plate. The light source is disposed on the first end of the heat dissipation plate and has a substrate and a light emitting diode element. The substrate is perpendicular to the first end of the heat dissipation plate. The first end of the heat dissipation plate and the substrate are adjacent to the side wall. | 12-05-2013 |
20130329460 | Electronic Device Display Structures - An electronic device may have a housing in which a display is mounted. A gasket may be mounted in a groove between the display and housing. The gasket may contain an embedded stiffener. Corner brackets may be installed in the corners of the housing. The housing may have inner and outer concentric ribs. Recesses in the housing may be configured to receive the corner brackets. The recesses may be formed between the inner and outer concentric ribs. Gap filling structures such as a foam layer may be interposed between a rear housing wall and a display backlight unit. Display color variations may be corrected by using a backlight unit having an array of light-emitting diodes of different colors. An electrostatic discharge protection layer may be grounded to a housing using conductive tape. Black edge coatings and adhesive-based structures may block stray light. Camera window regions may be supported using adhesive. | 12-12-2013 |
20130336006 | Backlight Device, Backlight System, and Flat Panel Display Device - The present invention introduces a backlight device, a backlight system, and a flat panel display device incorporated with the backlight device. The backlight device is configured by at least two backlight units detachably and electrically interconnected. The backlight unit comprises at least first and second leadframes each including longitudinal first and second ends and an intermediate portion located between the ends. A light emitting device is disposed at the intermediate portion. And at least a pair of first and seconds leads with the first pair of leads arranged at the first end, and the second pair of leads located at the second end. The backlight, backlight system, and the flat panel display device can be readily lengthened or shortened according to the field requirements. It features a simple configuration, while is easy to assemble, and is beneficial to cost down. | 12-19-2013 |
20130336007 | BACKLIGHT MODULE FOR 3D DISPLAYING AND LED LIGHT BAR THEREOF - The present invention relates to a backlight module for 3D displaying and an LED light bar thereof. The backlight module for 3D displaying includes a light guide plate and at least one LED light bar. The LED light bar is arranged at one edge of the light guide plate. The LED light bar includes a plurality of LEDs and a substrate. The LEDs are arranged in a line and are mounted to the substrate in a mutually spaced manner. The LEDs and the substrate of the LED light bar are arranged in a plurality of sections to correspond to a predetermined backlight scanning arrangement. LED spacing set in each of the sections is less than LED spacing set between the section and an adjacent section. The present invention also provides an LED light bar of backlight module for 3D displaying. | 12-19-2013 |
20130336008 | Lighting Device - The present invention relates to an edge-type lighting device using an LED light source which has high light-emitting efficiency regardless of thermal expansion of a light guide plate. An LED light source ( | 12-19-2013 |
20130343085 | Electronic Device Display Chassis - An electronic device display may include display layers mounted in a display chassis. The display chassis may have a plastic chassis structure and a metal chassis structure. Backlight structures may include a rectangular light guide plate. Light-emitting diodes within the backlight structures may emit light that is coupled into the light guide plate. The display chassis may have four edges that surround a rectangular opening. The rectangular opening may be configured to receive display layers such as the light guide plate. The metal chassis may have a C-shaped cross-section that forms a cavity in which the light-emitting diodes are mounted. The metal chassis structure may have engagement features such as holes and bent tabs. The plastic chassis structure may be overmolded on the metal chassis structure in engagement with the engagement features. Mounting structures may be formed from protruding portions of the plastic chassis structure. | 12-26-2013 |
20130343086 | LIGHT GUIDES AND BACKLIGHT SYSTEMS INCORPORATING LIGHT REDIRECTORS AT VARYING DENSITIES - Light guides and backlight systems are disclosed that include one or more groups of geometric light redirectors whose arrangement and/or orientation across the surface of a light guide varies to improve light emission uniformity and to reduce visual artifacts. | 12-26-2013 |
20140003090 | LIQUID CRYSTAL DISPLAY AND BACKLIGHT MODULE THEREOF | 01-02-2014 |
20140016352 | LED BACKLIGHT MODULE - The present invention relates to an LED backlight module, which includes an LGP, an LED light bar, a backplane, and a heat sink. The LED light bar is mounted on the heat sink at a location close to a light incidence side of the LGP. The heat sink forms upward-extending LGP positioning columns that are fixed with respect thereto. The LGP positioning columns extend upward and through the LGP so as to fix the LGP with respect to the heat sink. The heat sink is arranged on the backplane in a manner of being movable in a light incidence direction. The heat sink is movable with expansion or contraction of the LGP so as to maintain light coupling distance between the LGP and the LED light bar. The LED backlight module prevents the LGP from waving resulting from heat or mechanical interference. | 01-16-2014 |
20140016353 | Light Emitting Mirror Structure - A light emitting mirror structure includes a casing caved in to form an accommodating space having a light guiding area and a mirror area, and at least one surface of the casing as a sidewall communicating with the accommodating space. The mirror structure includes a light guiding device having a light guide plate, and a light emitting member disposed on a side of the light guide plate, and the light guiding device is placed at the light guiding area of the accommodating space of the casing. A mirror body having a substrate and a mirror surface located on the substrate is provided for the disclosed mirror structure also. The mirror body is integrated on the mirror area of the accommodating space, the light guiding plate causes a light to be emitted through the sidewall at a first side of the mirror body, and the mirror surface is uncovered by the sidewall. | 01-16-2014 |
20140022821 | Lighting Device - Disclosed herein is an edge-type lighting device which is configured such that when a light guide plate thermally expands, a light source is prevented from being pressed. In the lighting device according to the present invention, a light guide plate ( | 01-23-2014 |
20140029301 | Backlight Module and Liquid Crystal Display Device - The present invention discloses a backlight module which can be incorporated within the liquid crystal display device, and which includes a waveguide, a heat dissipating frame, a light source and a backframe. The heat dissipating frame includes a carrying portion and a sidewalk The carrying portion abuts against a bottom surface of the waveguide. The carrying portion is defined with openings in an area adjacent to the sidewalk. The light source is mounted onto the sidewall and offset to the opening. The backframe includes a bottom board and erections which extend and pass through the opening. The bottom board abuts the carrying portion. The thickness of the erection is larger than the thickness of the light source such that expansion of the waveguide exposed under heat will not in contacting with the light source. Accordingly, the light source will not be damaged by the expansion of the waveguide, and therefore prolong the service of the light source. | 01-30-2014 |
20140036535 | BACKLIGHT MODULE AND AN LED LIGHT BAR THEREOF - A backlight module and a light emitting diode (LED) light bar thereof are proposed. The backlight module includes a plurality of LEDs, at least one circuit board, a heat sink, a plurality of screws, and a light guide plate (LGP). The plurality of LEDs are arranged on the at least one circuit board. A plurality of screws are arranged on the at least one circuit board and the arrangement method thereof depends on temperature distribution of the at least one circuit board. The plurality of screws are inserted between the plurality of LEDs and are arranged at an unequally distance so that temperature can be evenly distributed over the LED light bar, thereby improving image quality of display devices. | 02-06-2014 |
20140036536 | MEMS SHUTTER CONTROL FOR A DISPLAY UTILIZING QUANTUM DOTS - A display that utilizes a microelectromechanical (MEMS) shutter module in order to accommodate a quantum dot sheet outside of the display backlight is provided. The MEMS shutter module can be placed either above or below the quantum dot sheet in order to more efficiently control the color at each individual pixel, when the color is being rendered from the isotropic emissions of the quantum dot sheet. | 02-06-2014 |
20140036537 | Liquid Crystal Display Device - A backlight device includes a frame with a first opening having a first side, a second side, a third side, and a fourth side, a planar light source which is disposed in the first opening of the frame, a plurality of optical sheet groups which are disposed on the planar light source and include a first optical sheet group and a second optical sheet group, and an adhesive layer which has a second opening formed along the first, second, third, and fourth sides of the frame. The first optical sheet group is fixed to the frame via the adhesive layer at the second, third, and fourth sides of the frame, and the second optical sheet group is fixed to the frame at the first side of the frame and is not fixed to the frame at the second, the third, and fourth sides of the frame. | 02-06-2014 |
20140043854 | ILLUMINATING DEVICE - Disclosed is an illuminating device which comprises a light guiding unit comprising a protrusion optical pattern forming a gap with an adjacent layer, at least one light emitting unit passing through the light guiding unit, and a resin layer formed on the light guiding unit and the at least one light emitting unit, so it is possible to obtain an effect that the shapes of light change depending on the viewing angle when viewing the light source by producing various protrusion optical patterns, an effect that the whole thickness can be reduced, and an effect that the degree of design freedom can be enhanced when designing products thanks to an enhanced flexibility. | 02-13-2014 |
20140043855 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a receiving container, a light emitting unit and a light guide plate. The receiving container includes a bottom portion, and a sidewall extended from the bottom portion. The light emitting unit is on an inner lateral surface of the sidewall. The light guide plate is in the receiving container and includes a side surface facing the light emitting unit. The light emitting unit includes a light emitting diode package which generates light, a first lead frame and a second lead frame. The first lead frame is electrically connected to a first electrode of the light emitting diode package. The second lead frame is spaced apart from the first lead frame and electrically connected to a second electrode of the light emitting diode package. | 02-13-2014 |
20140049987 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes first LED packages, second LED packages, a light guide plate, a printed circuit board, and a light blocking member. Each of the first LED packages emits light of a first color. Each of the second LED packages emits light of a second color different from the first color. The first and the second LED packages are provided in the same number and alternately arranged with each other. The light guide plate receives an incident light from the first and the second LED packages to output an emission light, and the first and second LED packages are mounted on the printed circuit board. In addition, the light blocking member blocks the light generated from one of the first LED packages, which is located at an outermost portion of the printed circuit board, and travelling to the light guide plate. | 02-20-2014 |
20140056029 | BACKLIGHT MODULE - A backlight module comprises: a light emitting device; a light guide plate that has a plurality of light guide prisms; a first prism assembly that comprises a first base body and a plurality of first prisms arranged on the light emergent surface of the first base body; a second prism assembly that comprises a second base body and a plurality of second prisms, wherein the extending direction of the second prisms is vertical to that of the first prisms. By way of the light guide prisms of the light guide plate extending in the parallel direction to the extending direction of the first prisms, the light beam with a large angle propagating through the light guide plate will not be guided out by the prisms near the light incident side, so as to increase the light mixing area and subsequently avoid the presence of alternately dark and bright hotspot. | 02-27-2014 |
20140063849 | BACKLIGHT MODULE WITH LIGHT-GUIDING PORTIONS - A backlight module includes a substrate, a plurality of LED packages mounted on the substrate and a light diffusion board located above the LED packages. The light diffusion board includes a light incident surface facing toward the LED packages and a light output surface. A plurality of light-guiding portions is configured extending from the incident surface of the light diffusion board toward the LED package. Each light-guiding portion comprises a concave surface at an outer periphery thereof. A diameter of each light-guiding portion decreases gradually from light diffusion board toward the LED packages. The concave surface of each light-guiding portion is recessed inwardly from the outer periphery of the light-guiding portion. Light from the LED packages and emitting into the light-guiding potions is divergently and uniformly adjusted into the light diffusion board by the concave surfaces of the light-guiding portions. | 03-06-2014 |
20140063850 | Backlight And Liquid Crystal Module - A backlight and a liquid crystal module having the same are provided. The backlight comprises: a light guide plate, a light-guide-plate fixing element for fixing the light guide plate, and at least one light source disposed adjacent to the light guide plate, wherein the light-guide-plate fixing element is made of thermal-contractive material. As the light-guide-plate fixing element is made of thermal-contractive material, in a test environment of high temperature and high humidity, it is possible to ensure that the light guide plate can expand and contract freely without resistance; meanwhile; while at normal temperatures, as the tight-guide-plate fixing element is in contact with the light guide plate without gap therebetween. | 03-06-2014 |
20140071710 | Graphic Frame for LED Light Boxes - A LED illuminated system to illuminate a graphic panel may include a front frame, a spacer device to be connected to the front frame, a LED edge-lit panel to form a cavity by a connection to the spacer device for the graphic panel to be nondestructively removed and replaced and a LED array connected to a back surface of the LED edge-lit panel to illuminate the graphic panel. | 03-13-2014 |
20140085929 | BACK-PLATE STRUCTURE OF BACKLIGHT, BACKLIGHT AND DISPLAY DEVICE - The embodiments of the present invention disclose a back-plate structure of backlight, a backlight and a display device. The backlight is applied to a display device. The back-plate structure comprises a substrate and a plurality of optical fibers disposed on the substrate. Each optical fiber is provided with a light outlet corresponding to a sub-pixel of the display device so that light inputted into the optical fiber is emitted to the sub-pixel to which the light outlet corresponds via the light outlet. | 03-27-2014 |
20140085930 | Backlight Module, Display Device And Method For Eliminating Hotspot Effect - Disclosed are a backlight module and a display device and method using the same, the backlight module comprises light-guide plate ( | 03-27-2014 |
20140085931 | BACKLIGHT UNIT - A backlight unit includes: light sources; a light guide member ( | 03-27-2014 |
20140104882 | Backlight Module - The present invention provides a backlight module, which includes a backplane, a light guide plate arranged inside the backplane, a light bar arranged at one side of the light guide plate, a side reflector plate arranged at one side of the light guide plate that is distant from the light bar, and four corner pieces arranged between the backplane and the light guide plate. The corner pieces are made of a rubber material. The corner pieces have surfaces that face the light guide plate and are of a white color. The side reflector plate is arranged between two of the corner pieces. The side reflector plate has a length that is less than or equal to a distance between the two corner pieces so as to achieve a separate arrangement of the side reflector plate and the corner pieces. | 04-17-2014 |
20140119053 | BACKLIGHT MODULE AND DISPLAY DEVICE - The present invention discloses a backlight module, which comprises a light guide plate and a light bar disposed on the light guide plate, wherein white light sources and monochromatic light sources having at least one color of N primitive colors wherein N is greater than or equal to 3. The present invention further discloses a display device comprising such a backlight module. With the present invention, the color gamut range of a light-emitting diode (LED) backlight display system can be widened. | 05-01-2014 |
20140126243 | Edgelit Lighting Fixture and Assembly - Embodiments described herein are directed to a lighting fixture including a lightguide that distributes light from a major surface, a light assembly including light sources arranged linearly, and a frame including a means for providing a force that urges the light assembly against an edge of the lightguide. A standoff or spacer can provide an air gap between a light source of the light assembly and the waveguide edge. In various embodiments, the lighting fixture may incorporate a spring, a spring finger, a spring clip, a screw, or other means for securing the light assembly against the edge of the lightguide. In this manner, substantially all light provided by the light assembly is emitted into the edge of the lightguide. The fixture is formed to accommodate tolerances among elements of the lighting fixture, while maintaining the light assembly securely against the edge of the lightguide. | 05-08-2014 |
20140133179 | Electronic Device with Display Chassis Structures - Electronic devices may include displays. A display may include backlight components that provide backlight illumination for the display. Backlight components may include a light guide plate that distributes light from a light source across the display. Display chassis structures may be used to support display layers and backlight components. A metal chassis may include a portion that partially surrounds the light source. Openings or perforations in the metal chassis may allow the portion that surrounds the light source to flex about a flex axis. A portion of a display layer may be mounted to a plastic chassis. The plastic chassis may be insert molded over a light source, may form part of a package for a light source, may be adhered to a light source, or may wrap around the light source. An encapsulant may be formed over the light source to protect the light source from vibrations and contaminants. | 05-15-2014 |
20140133180 | PLANAR LIGHT SOURCE DEVICE AND DISPLAY APPARATUS INCORPORATING SAME - A planar light source device with highly uniform intensity and high light utilization efficiency, and a display apparatus incorporating the same, are provided. A light guide plate, configured by a material such as plate-shaped and transparent acryl resin, polycarbonate resin, or glass, causes incident light to propagate within the light guide plate and then to exit the light through an exit surface as a surface emitting light. A first recess is formed substantially in the center of the exit surface. The first recess is cylinder-shaped, and on a bottom thereof is provided a lens that refracts incident light from a light source, in a direction away from the center of a circle on the bottom. | 05-15-2014 |
20140140097 | HEAT SINK AND BACKLIGHT MODULE USING SAME - The present invention provides a heat sink and a backlight module using the heat sink. The heat sink includes a first bottom plate, a first side plate formed on the first bottom plate, and a second bottom plate mounted on the first bottom plate. The first bottom plate and the first side plate are integrally formed together. The second bottom plate is fixed by screws to an end of the first bottom plate that is distant from the first side plate. The first bottom plate is made of aluminum extrusion material. The second bottom plate is made of aluminum sheet material. The bottom plate of the heat sink is formed through jointing so that a portion of the bottom plate is made of aluminum sheet material that has a small thickness to thereby reduce the amount of aluminum material used and thus facilitating cost control. | 05-22-2014 |
20140140098 | BACKLIGHT MODULE HAVING UNIFORM LIGHT EMISSION - A backlight module includes a light guide plate and only one light source. The light guide plate has a main body and protrusions. The main body has a light emitting surface, a light incident surface, a first side surface, and a second side surface. The protrusions are positioned on the light incident surface, and face the light source. The protrusions diffuse the light rays from the only one light source and guides the light rays into the main body. The light emitting surface has a light emitting area and a marginal area surrounding the light emitting area. The marginal area has a light diffusion area adjacent to the light incident surface and the first side surface. An included angle between the light incident surface and the first side surface is an obtuse angle. An included angle between the light incident surface and the second side surface is an obtuse angle. | 05-22-2014 |
20140153283 | BACKLIGHT MODULES AND LIQUID DISPLAY DEVICES WITH THE SAME - A backlight module includes a light guiding plate and a light source is disclosed. | 06-05-2014 |
20140153284 | LIGHT SOURCE DEVICE OF BACKLIGHT UNIT FOR DISPLAY - A light source device of a backlight unit in which a circuit board on which light-emitting diodes (LEDs) are mounted is disposed inside a rear cover and a heat dissipating means for dissipating heat generated from the LEDs to an outside is disposed between the rear cover and the circuit board. The circuit board is implemented as a patterned substrate which includes a thin sheet and a conductive pattern formed on the thin sheet, the conductive pattern connecting the LEDs to a power source, thereby reducing a thickness through which the heat generated by the LEDs is to be conducted to the heat dissipating means. The heat generated from the LEDs can be more rapidly and efficiently dissipated. Due to the more simplified structure, the light source device can be decreased in weight and be rapidly assembled. | 06-05-2014 |
20140153285 | Lighting Assembly with Defined Angular Output - A lighting assembly includes a light guide and solid-state light emitters to edge-light the light guide, the light emitters arrayed along a transverse direction. The light guide includes two or more sets of optical elements of well-defined shape. Light output from the lighting assembly by the first and second set of optical elements have a first and a second light ray angle distribution, respectively. The optical elements are configured such that when measured in a plane perpendicular to the light guide and the transverse direction: 1) the first and second light ray angle distributions are significantly narrower than an omnidirectional output distribution; and 2) the peak of the second light ray angle distribution is displaced from the peak of the first light ray angle distribution. | 06-05-2014 |
20140169034 | EDGE-TYPE BACKLIGHTING MODULE HAVING LIGHT COUPLERS BETWEEN LIGHT GUIDING PLATE AND LEDS - An edge-type backlighting module includes a light guiding plate, a lighting source, and a light coupler. The light guiding plate has a uniform thickness, and one end thereof acting as a combination end and a light input surface. A light output surface of the light guiding plate is perpendicular to the combination end. The light coupler has a first end and a second end opposite to the first end. The light coupler tapers from the first end to the second end. The lighting source is adhered to the first end. The second end is adhered to the combination end. An entirety of light emitted from the lighting source is transmitted to the light guiding plate via the light coupler. | 06-19-2014 |
20140169035 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCORPORATING THE SAME - A light guide plate includes a light incident face, a light exit face adjacent to the light incident face, a bottom face adjacent to the light incident face and opposite to the light exit face, and a plurality of sidewalls beside the light incident face and interconnecting the bottom face and the light exit face. The light incident face is recessed inwardly from an outer periphery of the light guide plate toward an interior of the light guide plate to define a recessed region of the light guide plate. The light incident face is perpendicular to the light exit face. A backlight module incorporating the light guide plate is also provided. The backlight module includes at least a light emitting diode located in the recessed region of the light guide plate. | 06-19-2014 |
20140169036 | DISPLAY DEVICE AND METHOD FOR FABRICATING REFLECTIVE SHEET FOR THE SAME - A display device and a method of fabricating a reflective sheet for the same are provided. The display device includes: a display panel to display an image, a plurality of light emitting diodes (LEDs) to: generate and supply light to the display panel, a light guide plate to guide the light to the display panel, and a reflective sheet to reflect light toward a cover bottom below the LEDs toward the light guide plate, the reflective sheet including: a reflective layer, first and second skin layers respectively on upper and lower portions of the reflective layer, the first and second skin layers each including an embossing surface including a plurality of first reflective patterns to: prevent adhesion between the reflective layer and the light guide plate, and increase efficiency of light, and the reflective layer including a plurality of second reflective patterns, each including a filler in an air layer. | 06-19-2014 |
20140169037 | MODULE COMPRISING LIGHT-EMITTING DIODES AND LUMINOUS GLAZING WITH SUCH A DIODE-COMPRISING MODULE - A module includes light-emitting diodes, with a printed circuit board bearing light-emitting diodes connected by a series-parallel electrical circuit including a number of circuit branches powered by a common electrical power supply, each branch including two peripheral diodes and optionally at least one internal diode. At least one of the multidiode branches includes at least one reference internal diode, the two diodes closest the reference diode belonging to a branch or branches other than said multidiode branch and/or at least one of the two-diode branches includes two reference peripheral diodes and has, as the closest diode on the printed circuit board, a diode belonging to a branch other than the two-diode branch. | 06-19-2014 |
20140177275 | LED BACKLIGHT MODULE HAVING REDUCED LIGHT LEAKAGE AND INCREASED LIGHT EXTRACTION EFFICIENCY - An LED backlight module includes a light guiding board, a plurality of LED light sources located at an edge side of the light guiding board and a glue layer. The glue layer is located between the edge side of the light guiding board and the LED light sources. The LED light sources are securely attached to the edge side of the light guiding board via the glue layer. The glue layer has a refractive index larger than a refractive index of air. | 06-26-2014 |
20140185322 | LIGHT GUIDING PLATE, BACKLIGHT MODULE AND DISPLAY DEVICE USING THE SAME - A light guiding plate includes a light guiding main body, a first light guiding unit and a second light guiding unit. The light guiding main body has a first surface, a second surface opposite to the first surface and a light inlet face connecting between the first and second surfaces. The first light guiding unit includes first and second light guiding structures disposed on the first surface. The first and second light guiding structures are parallel aligned, each second light guiding structure has a plurality of first light guiding bodies that is individually separating and connecting the immediately abreast first light structures, and the arrangement density of the plurality of first light guiding bodies decreases toward the light inlet face. The second light guiding unit includes a plurality of third light guiding structures disposed on the second surface. The third light guiding structures are parallel arranged. | 07-03-2014 |
20140192557 | EDGE-LIT BACKLIGHT MODULE - Disclosed is an edge-lit backlight module having a rectangular back panel with a reflective microstructure, and a first light portion with an inclined plane or a camber is provided for reflecting lights emitted from a plurality of LEDs and with a relatively smaller normal included angle, and a second light portion is provided for reflecting a light with a slightly greater included angle, and a third light portion is provided for reflecting the light with the greatest included angle to guide lights of different intensities to different paths and project the lights to every position of a front panel, so as to achieve a light extraction efficiency with a uniform distribution of luminous intensity of an LED light source. | 07-10-2014 |
20140192558 | Illumination Systems Providing Direct and Indirect Illumination - Illumination devices are described for illuminating a target area, e.g., floors of a room, using solid-state light sources. In general, an illumination device includes a first light guide extending along a first plane, the first light guide to receive light from first light emitting elements (LEEs) and guide the light in a first direction in the first plane; a second light guide extending along the first plane, the second light guide to receive light from second LEEs and guide the light in a second direction in the first plane opposite to the first direction; a first redirecting optic to receive light from the first light guide and direct the light in first and second angular ranges; and a second redirecting optic to receive light from the second light guide and direct the light in third and fourth angular ranges, where the first, second, third and fourth angular ranges are different. | 07-10-2014 |
20140198527 | VISUAL MEDIA SOFT LIGHT SYSTEM - Improved soft lighting systems for the arts, media, and entertainment industry are disclosed. In certain aspects, the systems employ one or more edge-lit LED light guide panels using high flux, optical grade, and/or binned LEDs to produce higher quality, uniform, diffused soft visual media light. In further preferred aspects the systems are modular and portable, and have light guide panels that may be axially tilted in horizontal and vertical directions to independently direct the soft light emanating from each of the panels to achieve the desired soft lighting set up. | 07-17-2014 |
20140198528 | WAVELENGTH CONVERSION CHIP FOR A LIGHT EMITTING DIODE, AND METHOD FOR MANUFACTURING SAME - There is provided a method of manufacturing a wavelength converted LED chip, including attaching a plurality of LED chips to a chip alignment region of an upper surface of a temporary support plate, forming a conductive bump on the electrode of the respective LED chips, forming a phosphor-containing resin encapsulation part in the chip alignment region to cover the conductive bump, polishing the phosphor containing resin encapsulation part, forming the wavelength converted LED chips by cutting the provided phosphor containing resin encapsulation part between the LED chips, the wavelength converted LED chip including a wavelength conversion layer obtained from the phosphor containing resin encapsulation part and formed on lateral surfaces and an upper surface of the wavelength converted LED chip, and removing the temporary support plate from the wavelength converted LED chip. | 07-17-2014 |
20140211505 | Backlight Structures and Backlight Assemblies for Electronic Device Displays - An electronic device may have a liquid crystal display with backlight structures. The backlight structures may produce backlight that passes through the display layers in the display. The display layers may include a layer of liquid crystal material interposed between a color filter layer and a thin-film transistor layer. The backlight structures may include a light guide plate. A plurality of light-emitting diodes mounted on a flexible printed circuit may be coupled to an edge of the light guide plate. The flexible printed circuit may be curled into a spring element to bias the light-emitting diodes against the edge of the light guide plate. A plurality of gaps may be formed in the flexible printed circuit and may be used to separate and mechanically decouple adjacent light-emitting diodes. Individual light-emitting diodes may independently register to the light guide plate to maximize optical efficiency in the display. | 07-31-2014 |
20140218967 | BACKLIGHT SYSTEM - A backlight system includes a first light guide layer, first light sources, a second light guide layer and second light sources. The first light sources are configured to emit first light into the first light guide layer. The second light guide layer is arranged on a first surface of the first light guide layer. The second light guide layer contains light-excited fluorophores. The second light sources are configured to emit second light into the second light guide layer in synchronization with the emission of the first light sources. | 08-07-2014 |
20140218968 | PLANAR LIGHTING DEVICE - A planar lighting device includes a light guide plate and a side-emitting lighting module. The light guide plate includes a light emission surface, a back light surface, and at least one side surface. The back light surface is opposite to the light emission surface, and the side surface extends between the light emission surface and the back light surface. The side-emitting lighting module is embedded into the light guide plate, such that the side-emitting lighting module emits light toward the side surface of the light guide plate. The light is then guided by the light guide plate and emerges from the light emission surface of the light guide plate. | 08-07-2014 |
20140218969 | ILLUMINATION DEVICE WITH MULTI-LAYERED HEAT SINK - The present invention relates to an illumination device where a number of light sources are arranged on a heat sink and adapted to emit light in substantially the same direction. The heat sink comprises a first cooling plate and a second cooling plate and a first part of the light sources are arrange on the first cooling plate and a second part of the light sources are arranged on the second cooling plate. The first and second cooling plates are further separated by a distance and a flow channel is defined there between. The flow channel allows cooling fluid to flow between the first cooling plate and the second cooling plate whereby the light sources can be cooled by the cooling fluid. The heat sink comprises further a number of light passages allowing light to propagate from the second cooling plate, towards the first cooling plate and through the first cooling plate. The present invention relates also to a method of cooling light sources emitting light in substantially the same direction. | 08-07-2014 |
20140218970 | LIGHT GUIDE PLATE, BACKLIGHT SOURCE AND LIQUID CRYSTAL DISPLAY DEVICE - A light guide plate used for an LED backlight source. The LED backlight source comprises a plurality of LED lamps. The light guide plate comprises a light guide plate body ( | 08-07-2014 |
20140241006 | LIGHT PLATE ASSEMBLY - A light plate assembly having minimal light leakage and uniform luminosity. The light plate assembly has a housing, a trough within the housing and a cover. The cover has a transparent window with an opaque side edge that prevents undesired light leakage between an outer surface of the transparent window and a base frame of the cover. The transparent window also has a length and a width, and a length-to-width ratio of greater than 10:1. In addition, luminosity variation along a length of the transparent window is less than 20%, and in some instances less than 10%. | 08-28-2014 |
20140247621 | LIGHT EMITTING DEVICE - To provide a light emitting device that makes it possible to form a surface light emitting apparatus of less unevenness in luminance. | 09-04-2014 |
20140254197 | WARNING DEVICE - The present invention provides a warning device, which includes a housing; a bottom cover, an accommodation space is formed through the bottom cover being engaged with the housing; a first light guide plate formed with a plurality of first light guide strips; a second light guide plate formed with a plurality of second light guide strips, and the arranged direction of the plural second light guide strips is perpendicular to the arranged direction of the plural first light guide strips; a light source module installed with at least a LED; and a switch module installed with a printed circuit board, the printed circuit board is provided with a switch and a microcontroller, when the switch is pressed, the microcontroller drives the LED for enabling a plurality of pointy light sources to be formed and emitted through the first light guide plate. | 09-11-2014 |
20140254198 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A backlight unit and a liquid crystal display having the same. The backlight unit includes a lower cover, an interconnection coupling hole, an inverter board, and an interconnection. The lower cover accommodates a printed circuit board, which mounts at least one light emitting diode thereon and is provided at one side thereof with a first connector. The interconnection coupling hole is formed in a bottom surface of the lower cover at a position corresponding to the first connector. The inverter board is disposed on a rear surface of the lower cover to apply a driving voltage to the at least one light emitting diode. The interconnection is provided at one end thereof with a second connector to electrically connect the printed circuit board to the inverter board. A coupling part of the first connector coupled to the second connector is directed to the interconnection coupling hole, so the assembling time of the backlight unit and the liquid crystal display is reduced, thereby improving the productivity of the backlight unit and the liquid crystal display. | 09-11-2014 |
20140268874 | Edgelit Multi-Panel Lighting System - A lighting system can include a lightguide having an edge and two major surfaces. The lightguide can be mounted in a frame so that one of the major surfaces faces towards an area to be illuminated, while the other major surface faces away from the area. LEDs can couple light into the lightguide edge, with the coupled light emitting from both major surfaces. Light emitted from the major surface that faces away from the area to be illuminated can be reflected back into the lightguide by a reflective surface. The reflective surface can be separated from the lightguide by an air gap. The air gap can promote internal reflection at the major surface facing away from the area to be illuminated, thereby enhancing homogeneity and output of light towards the area to be illuminated. The frame can include integral wireways, reflector retention clips, and grounding circuitry. | 09-18-2014 |
20140268875 | Shaped Optical Waveguide Bodies - Disclosed is an optical waveguide body having a first surface that includes one or more tapered portions displaced between an input surface and an end surface or edge of the waveguide body. A second surface displaced from and opposite the first surface may also include one or more tapered portions between the input surface wherein the furthest tapered portions of the first and second surface forms and end surface or edge. | 09-18-2014 |
20140268876 | ADVERTISEMENT DISPLAY DEVICE HAVING 3D SHEET - Disclosed is an advertisement display device having a 3D sheet. The advertisement display device having the 3D sheet comprises: a substrate; a backlight unit which is provided on the substrate and irradiates light; and a 3D sheet which is provided on the backlight unit to implement a 3D image by the light irradiated from the backlight unit. | 09-18-2014 |
20140293650 | COMPONENT LIGHTING SYSTEM - A component lighting system allows for easy installation, removal, and reconfiguration. The system allows individual elements to be readily replaced and allows new components to be readily added to the system. The system can be removed from one installation, broken down into its individual elements, and installed in a new installation with the same or a different configuration. The electric conductors of the system are encased within conduit and junction boxes rated for high voltage systems such as traditional 110V or 220V lighting systems so that the system is compatible with both traditional line voltage AC systems and low voltage DC LED systems. The junction boxes and conduit are plenum-rated such that the system to be installed above a drop ceiling while conforming to most existing building codes. | 10-02-2014 |
20140301106 | APPLIANCE DISPLAYS HAVING MODULAR LIGHT GUIDES AND METHODS OF ASSEMBLING THE SAME - Example appliance displays having modular light guides and methods of assembling the same are disclosed. An example appliance display includes a printed circuit board having a side-fire light emitting diode attached to a surface of the printed circuit board, a frame having a plurality of heat stakes to operatively connect the printed circuit board to the frame, and a light guide inserted into an opening defined in the frame, wherein the light guide guides light emitted by the light emitting diode through the opening defined in the frame, and wherein the printed circuit board retains the light guide in the opening when the printed circuit board is heat staked to the frame. | 10-09-2014 |
20140301107 | LIGHTING APPARATUS AND DISPLAY APPARATUS - A lighting apparatus of the present disclosure includes: a light source device having one or more light emitting diodes; a board on which the light source device is provided; a light guide plate having an entrance surface facing a light exit surface of the light source device to allow entry of light therefrom, and a light emission surface which emits the light having entered through the entrance surface, the light guide plate configured to propagate the light having entered through the entrance surface and emit the light through the light emission surface; and an engagement member fixed on the board and engaging the board with the light guide plate, the engagement member configured to prevent relative motion, between the board and an engaged portion of the light guide plate engaged with the board, in a direction in which the light exit surface and the entrance surface face each other. | 10-09-2014 |
20140307472 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate includes a light emitting surface, a bottom surface opposite to the light emitting surface, a first side surface, a second side surface, and a light incident surface. The first side surface and the second side surface connect the light emitting surface to the bottom surface. The light incident surface is connected to the light emitting surface, the bottom surface, the first side surface, and the second side surface. A plurality of V-shaped grooves is defined in the bottom surface. The V-shaped grooves form concentric arcs, sectional surfaces of the V-shaped grooves along radial directions of the concentric arcs are isosceles triangles, and a top angle of each of the isosceles triangles is equal to about 80 degrees. | 10-16-2014 |
20140313773 | LIGHT GUIDE PLATE FIXING STRUCTURE AND A BACKLIGHT MODULE USING THE SAME - A light guide plate fixing structure and a backlight module using the same, comprising a first abutting wall formed at the side edge of the light guide plate, a second abutting wall formed on the backplane, and a constant-force spring arranged between the first abutting wall and the second abutting wall; the constant-force spring has a fixing end and a support end, the fixing end being fixed on the first abutting wall, the support end forming an elastic foot that abuts against the second abutting wall, with the light guide plate being fixed with the help of the elastic force produced by bounce of the constant-force spring after being pre-compressed: when the light guide plate is expanded, it can push the spring away and be released and expanded; when the light guide plate is contracted, rebound of the spring will make the spring move with the light guide plate. | 10-23-2014 |
20140313774 | LIGHTING ASSEMBLY - The light fixture includes a frame, an optically transmissive panel assembly, a set of light emitting diodes (LEDs), and driving circuitry. The frame has a frame length measured along a length axis and a frame width measured along a width axis, wherein the frame length is greater than the frame width. The optically transmissive panel assembly receives light from the set of light emitting diodes (LEDs) and emits light from an emission area in a patterned luminous intensity, using patterning optics adjacent a light guide plate. The driving circuitry is disposed within the frame and is operatively coupled to the set of LEDs and to a power supply external to the light fixture. The driving circuitry may include a first circuitry segment disposed within a first edge channel of the frame, and a second circuitry segment disposed within a second edge channel of the frame. | 10-23-2014 |
20140313775 | LED LIGHT FIXTURE AND ASSEMBLY METHOD THEREFOR - An LED panel light fixture and method for assembling the same includes (a) selecting a set of specifications of the LED panel light fixture, the set of specifications comprising a fixture/base specification comprising a form factor of the LED panel light fixture; and a top specification comprising a visual feature of a top in accordance with the top specification; (b) providing a knock-down kit having parts including the top in accordance with the top specification, a frame in accordance with the fixture/base specification, an optically transmissive panel assembly, a set of light emitting diodes (LEDs), and driving circuitry; and (c) assembling the LED panel light fixture using parts of the knock-down kit. An LED panel lighting fixture kit includes a top and a base. The base includes a mounting mechanism that is accessible before joining the top to the base, but not accessible after joining the top to the base. | 10-23-2014 |
20140313776 | Edge-lit Light Fixture - An edge-lit light fixture includes a first edge-lit light guide panel that has a first light guide. The edge-lit light fixture also includes a second edge-lit light guide panel that has a second light guide. The edge-lit light fixture further includes a center spine that has a protrusion. The first edge-lit light guide panel and the second edge-lit light guide panel are positioned on opposite sides of the protrusion. The protrusion separates a narrow edge of the first light guide from a narrow edge of the second light guide. A portion of the protrusion is positioned below the first light guide and the second light guide. | 10-23-2014 |
20140321161 | Backlight Module and Fixture Thereof - The present invention is related to a technology of liquid crystal display, and specially to a fixture incorporated in a backlight module for the liquid crystal display. The fixture for backlight module comprises a backboard having a bottom board, a sidewall, and a bent portion. The sidewall has a first end and a second end, and the bottom board being interconnected with the first end. The bent portion is interconnected to the second end, and arranged on an outside of the sidewall, and creates an angle with respect to the sidewall. A plastic frame is defined with opening aligned and enveloped onto the bent portion so as to securely assemble the plastic frame to the backboard. The advanced and preferred interengagement between the backboard and the plastic frame can not only readily implement into the backlight module in which the light strip and backboard are made individually, but also can be fitted into the backlight module in which the backboar is integrally formed with driving circuit for light strip. The fixture can be readily facilitated by the existing technology and the assembly is easy while the overall configuration is robust and durable. | 10-30-2014 |
20140328083 | LIGHT EMITTING DEVICE PACKAGE AND BACKLIGHT UNIT COMPRISING THE SAME - Disclosed is a light emitting element package having excellent heat radiation performance and high luminance, and a backlight unit including the same. The light emitting element package includes a package including a lead frame, a light emitting element provided on the lead frame, and a molded material combined with the lead frame and having an opening for emitting light generated by the light emitting element, and a reflection structure having an opening corresponding to the opening of the molded material, and contacting the molded material. | 11-06-2014 |
20140340935 | BACKLIGHT MODULE HAVING NON-DOT AREA AND LIGHT GUIDE PLATE USING SAME - A light guide plate includes a light mixing part and a visual part. The light mixing part includes a light mixing bottom surface, a light incident surface, and a top surface opposite to the light mixing bottom surface. The light incident surface is substantially perpendicular to the light mixing bottom surface and the top surface. The visual part is adjoined to the light mixing part and includes a visual bottom surface and a light emitting surface opposite to the visual bottom surface. The visual bottom surface and the light mixing bottom surface are substantially coplanar and are divided by an imaginary adjoining line. The top surface and the light emitting surface are substantially coplanar. The visual bottom surface has at least one non-dot area. The visual bottom surface forms a plurality of reflective dots except for the non-dot area. | 11-20-2014 |
20140347885 | Optical Waveguide Bodies and Luminaires Utilizing Same - According to one aspect, a luminaire comprises a waveguide body including a central section and first and second separate side sections extending away from the central section along first and second opposed directions, respectively. The central section includes a coupling portion and the waveguide body has a length and includes a plurality of light extraction features that extract light out of the side sections. At least one LED is disposed adjacent the coupling portion and is operated by a power circuit to produce light that is directed into the waveguide body by the coupling portion. At least one structural member extends along the length of the waveguide body for supporting the waveguide body and encloses at least one of the power circuit and the at least one LED. | 11-27-2014 |
20140355305 | POINT LIGHT SOURCE, PLANAR LIGHT SOURCE DEVICE, AND DISPLAY DEVICE - An envelope of a point light source includes first to fourth surfaces. The first surface protrudes ahead of a light-emitting element and extends to a left side and a right side of the light-emitting element when viewed from the light-emitting element. The second surface is connected to the first surface on the left side and the right side of the light-emitting element and is in contact with the light-emitting element. The third surface is connected to an upper end of the first surface and an upper end of the second surface and forms a first depression that sinks from the first surface toward the second surface. The fourth surface is connected to a lower end of the first surface and a lower end of the second surface and forms a second depression that sinks from the first surface toward the second surface. | 12-04-2014 |
20140355306 | LIGHT EMITTING DEVICE ARRAY AND BACKLIGHT UNIT - A light emitting device array includes a substrate including a first region and a second region that is inclined with respect to the first region, a first light emitting device package arranged on the first region, and a second light emitting device package that is arranged on the second region and is inclined with respect to the first light emitting device package at an inclination angle between 90° and 160°. | 12-04-2014 |
20140362602 | PANEL LIGHT ASSEMBLY - A panel light assembly for use with a support frame including at least first and second support frame members, the assembly comprising an assembly frame including at least a first assembly frame member and a second assembly frame member spaced apart on opposite sides of a frame space, the first assembly frame member forming a channel, a light source supported by the first assembly frame member within the channel, a light guide member including at least one edge, the light guide supported by the first and second assembly frame members within the frame space with at least a portion of the at least one edge located adjacent the light source, a fastener for fastening the assembly frame to the first and second support frame members. | 12-11-2014 |
20140362603 | LIGHT SOURCE MODULE AND BACKLIGHT UNIT HAVING THE SAME - Disclosed is a light source module capable of realizing a slim structure and providing excellent luminous efficiency. The light source module includes a circuit board, a light emitting diode chip mounted on the circuit board by flip-chip bonding or surface mount technology (SMT), a wavelength conversion layer disposed on the light emitting diode chip, and a reflector covering an upper surface and at least one of side surfaces of the light emitting diode chip. | 12-11-2014 |
20140369071 | ILLUMINATED DISPLAY BOARD HAVING AN ANGLED LIGHT SOURCE - An illuminated display board includes a frame, a light-transmissive panel, and a light source. The light source is positioned within the frame, and adjacent the light-transmissive panel. The light source is oriented at an angle of between about 25 degrees and about 50 degrees with respect to the light-transmissive panel. | 12-18-2014 |
20140376266 | FLAT PANEL LIGHTING DEVICE - The light fixture includes a frame, a substantially flat light emitting diode (LED) panel disposed within the frame, power circuitry disposed within at least one of a number of channels within the frame, and a central wire-way. The frame includes a bottom assembly and a top assembly coupled to the bottom assembly. The bottom assembly and the top assembly cooperate to form the channels within the frame. The bottom assembly has a back surface. The power circuitry is configured to electrically couple the substantially flat LED panel to an external AC power supply. The central wire-way is disposed adjacent the back surface of the bottom assembly and configured to route wiring to or from the power circuitry disposed within at least one of the channels within the frame. | 12-25-2014 |
20140376267 | FLAT PANEL LIGHTING DEVICE - The light fixture includes a frame with a bottom assembly and a top assembly coupled to the bottom assembly. The bottom assembly and the top assembly cooperate to form a plurality of channels within the frame. A substantially flat light emitting diode (LED) panel is disposed within the frame. Power circuitry is disposed within at least one of the plurality of channels within the frame. The power circuitry is configured to electrically couple the substantially flat light emitting diode (LED) panel to an external AC power supply. A wire compartment is disposed within at least one of the plurality of channels within the frame. The wire compartment is configured to house wiring electrically coupled to the external AC power supply. | 12-25-2014 |
20150009713 | DISPLAY DEVICE - A display device includes: a light guide member under the display panel and including a light incident surface; a heat discharge member including a heat discharge surface which extends in a first direction opposite to the light incident surface of the light guide member, and a first flat surface which extends in a second direction from the heat discharge surface; and a light source on the heat discharge member, which provides light to the light incident surface and includes a light emitting device on the heat discharge surface and including a light emitting surface opposite to the light incident surface, a circuit board on the first flat surface of the heat discharge member and electrically connected to the light emitting device, and a heat discharge portion on the heat discharge member and which couples the light emitting device to the heat discharge surface of the heat discharge member and discharges a heat generated from the light emitting device. | 01-08-2015 |
20150016147 | LED TUBE WITH LIGHT REFLECTIVE FACE - An LED tube includes a light guide, an LED and a reflector. The light guide includes a light incident face at an end thereof and a light emerging face adjacent to the light incident face. The reflector is mounted on an opposite end of the light guide. The reflector forms a light reflective face facing the light guide to reflect light backward into the light guide. | 01-15-2015 |
20150016148 | LIGHT GUIDING PLATE AND LIGHT GUIDING DEVICE INCLUDING THE SAME - A light guiding plate and a light guiding device are provided, and the light guiding plate is implemented in the light guiding device. The light guiding device includes a side light source emitting light to the light guiding plate. The light guiding plate includes a first surface, a second surface and a third surface. The second surface is opposite to the first surface, and the third surface is adjacent to the first surface and the second surface. The second surface includes plural light guiding units, and each of the light guiding units includes a total reflection concavity and a light emitting convexity. The light emitting convexity surrounds the total reflection concavity. | 01-15-2015 |
20150023059 | BACKLIGHT MODULE - The present invention provides a backlight module, which includes: a backplane ( | 01-22-2015 |
20150023060 | ILLUMINATION APPARATUS CONFINING LIGHT BY TOTAL INTERNAL REFLECTION AND METHODS OF FORMING THE SAME - In various embodiments, an illumination apparatus includes an air gap between a sub-assembly and a waveguide attached thereto at a plurality of discrete attachment points, as well as a bare-die light-emitting diode encapsulated by the waveguide. | 01-22-2015 |
20150029753 | LIGHTING DEVICE AND DISPLAY DEVICE HAVING THE LIGHTING DEVICE - Provided is a lighting device, including: a circuit board in which light emitting elements are mounted to one surface of a supporting substrate; a substrate housing disposed to be spaced apart from another surface opposite to the one surface of the supporting substrate; and a distance regulating portion formed between the circuit board and the substrate housing to adjust a spaced distance between the circuit board and the substrate housing according to movement of the circuit board, wherein the distance regulating portion functions to fix the circuit board to the substrate housing via a fixing element formed in the circuit board and the substrate housing. | 01-29-2015 |
20150036383 | BACKLIGHT MODULE - A frame structure for a back light module includes a horizontal base plate, a vertical back plate that has a bottom end connected to an upper side of the base plate, and an elongated horizontal through hole formed in a predetermined zone between ⅓ and ¼ of a vertical height of the back plate from the bottom end, and a heat sink that extends from the upper side of the base plate and that has a top end which is below a bottom end of the horizontal through hole. The backlight module further includes a light source disposed on the upper side of the base plate and a light guiding plate disposed to correspond in position to the light source for receiving light emitted from the light source. | 02-05-2015 |
20150049509 | Lighting System with Improved Illumination Distribution - Optically patterned waveguides and systems employing optically pattered waveguides are provided. The optically patterned waveguide is configured for use in a lighting system and arranged perpendicular to an overhead structure, such as a ceiling. The optically patterned waveguide includes major surfaces that are patterned with a plurality of elongated facets formed into the major surfaces and extending in a direction parallel to the length of the waveguide. The optically patterned waveguide provides illumination patterns having increased uniformity. | 02-19-2015 |
20150049510 | RADIATION-EMITING SEMICONDUCTOR COMPONENT, LIGHTING DEVICE AND DISPLAY DEVICE - A radiation-emitting semiconductor component including a volume-emitting semiconductor chip including a first main surface and a second main surface opposite the first main surface, a first reflective element arranged at the first main surface and reflects electromagnetic radiation emerging through the first main surface during operation of the semiconductor chip back to the first main surface, a second reflective element arranged at the second main surface and reflects electromagnetic radiation emerging through the second main surface during operation of the semiconductor chip back to the second main surface, and at least one radiation exit surface through which electromagnetic radiation generated during the operation of the semiconductor component emerges from the semiconductor component, wherein the at least one radiation exit surface runs transversely with respect to the first main surface and the second main surface of the semiconductor chip. | 02-19-2015 |
20150049511 | Waveguide Having Unidirectional Illuminance - A luminaire includes an optical waveguide having a first surface and a second surface opposite the first surface, and a light source associated with the optical waveguide. At least about 80% of light produced by the light source is directed by the waveguide into an illumination distribution emitted from the first surface of the optical waveguide. | 02-19-2015 |
20150049512 | FLAT PANEL LIGHTING DEVICE AND DRIVING CIRCUITRY - The light fixture includes a frame configured to define a first channel, and a substantially flat light emitting diode (LED) panel disposed within the frame. Power circuitry is disposed within the first channel, the power circuitry being configured to electrically couple the substantially flat LED panel to an external AC power supply. The power circuitry is sized to be positioned within the first channel and has a length and a width, the length-to-width ratio being at least 5 to 1, and optionally at least 10 to 1. The power circuitry is configured to convert an AC input into a DC output suitable for powering the substantially flat light emitting diode (LED) panel. The substantially flat light emitting diode (LED) panel includes an optically transmissive panel, and an array of LEDs disposed adjacent to an edge of the optically transmissive panel and disposed adjacent at least one edge of the frame. | 02-19-2015 |
20150055370 | LIGHT-EMITTING DIODE EDGE LIGHTED AIRFIELD GUIDANCE SIGN - A light-emitting diode (LED) airfield guidance sign is disclosed herein. The sign can include a waveguide having a first face and a first fastening mechanism disposed on a first outer perimeter of the waveguide adjacent to the first face. The sign can also include a front panel coupled to the first outer perimeter adjacent to the first face of the waveguide. The sign can further include at least one first LED array disposed adjacent to an edge of a plurality of edges of the waveguide, where the edge of the waveguide is substantially orthogonal to the first face of the waveguide. The sign can also include a pair of side frame supports that secures two opposing edges of the plurality of edges of the waveguide and the front panel. The sign can further include a power source that provides power to the at least one first LED array. | 02-26-2015 |
20150055371 | Luminaire with Selectable Luminous Intensity Pattern - A luminaire comprises at least one waveguide having a first region that emits a first luminous intensity pattern and a second region that emits a second luminous intensity pattern different from the first luminous intensity pattern. The luminaire further includes a plurality of LED elements and circuitry to control the plurality of LED elements to cause the luminaire to produce a selected one of a plurality of luminous intensity patterns. | 02-26-2015 |
20150085527 | LIGHT SOURCE MODULE, FABRICATION METHOD THEREFOR, AND BACKLIGHT UNIT INCLUDING THE SAME - A light source module, a fabrication method therefore, and a slim backlight unit including the same. The light source module includes a light emitting diode (LED) chip electrically connected to a substrate through a lower surface thereof, a wavelength conversion layer formed on the LED chip and enclosing at least the light exit face of the LED chip, and a reflector formed on a region of the LED chip excluding the light exit face. | 03-26-2015 |
20150085528 | FLAT PANEL LIGHTING DEVICE AND DRIVING CIRCUITRY - The light fixture includes a frame, wherein at least a portion of the frame defines a first channel and a second channel, and the frame has a thickness of no more than about 1.0 inches. The light fixture includes a substantially flat light emitting diode (LED) panel disposed within the frame, and power circuitry disposed within the frame. The power circuitry includes a first LED driver sized to be positioned within the first channel, and a second LED driver sized to be positioned within the second channel. The power circuitry is configured to electrically couple the substantially flat LED panel to an external power supply. The first LED driver and the second LED driver are configured to convert an AC input into a DC output suitable for powering the substantially flat LED panel. | 03-26-2015 |
20150085529 | WHITE LIGHT EMITTING DEVICE AND DISPLAY APPARATUS - A white light emitting device includes: a blue light emitting diode (LED) which emits blue light; and a resin packing unit which encapsulates the blue LED, wherein the resin packing unit includes a first wavelength conversion material which, in response to being excited by the blue light, emits green light, a second wavelength conversion material which, in response to being excited by the blue light, emits red light, and a complex compound which absorbs light of a region in which the green light and the red light are mixed, the light of the region being included in white light implemented through a mixture of the green light and the red light excited together with the blue light. | 03-26-2015 |
20150098249 | GUIDE PLATE AND BACKLIGHT ASSEMBLY INCLUDING THE SAME - Disclosed is a light guide plate including a base sheet and a first light transmissive adhesive layer disposed on a surface of the base sheet. The first light transmissive adhesive layer together with the base sheet define a light entrance portion. The thickness of the first light transmissive adhesive layer becomes gradually smaller from the light entrance portion toward a center portion of the base sheet. A backlight assembly includes the light guide plate. | 04-09-2015 |
20150103558 | LED Panel Light - A LED panel light comprises an optical layer structure, including a top side, a bottom side and an edge and at least two substantially plate-shaped layers arranged on top of one another, and further comprises LEDs as light source, the LEDs being arranged at the edge of the layer structure and radiating light into the layer structure at the side, and further comprises a housing frame and at least one seal. The seal encloses the LEDs and the edge of the layer structure, the seal being in contact with the top side and the bottom side of the layer structure and resting against or on the housing frame so the seal seals the layer structure against the housing frame, the housing frame and the layer structure being clamped relative to one another such that the seal is pressed against the top side and the bottom side of the layer structure. | 04-16-2015 |
20150103559 | BACKLIGHT ASSEMBLY AND LIQUID CRYSTAL DISPLAY - Disclosed herein are a backlight assembly and a liquid crystal display (LCD) having the same, wherein the backlight assembly includes a light guide panel having a plurality of lateral sides; and a plurality of light source units each emitting light to a respective lateral side of the plurality of lateral sides, wherein at least two lateral sides of the plurality of lateral sides, which receive light emitted from two respective light source units of the plurality of light source units, are neighboring lateral sides, and wherein at least one lateral side is longer than an incident surface which receives light emitted from the light source unit. | 04-16-2015 |
20150109822 | ILLUMINATION CONVERTER - The disclosure generally relates to illumination converters that are capable of converting light from one geometrical format to another. In particular, the described illumination converters are capable of converting a circular source such as an LED to a linear source useful in an edgelit waveguide, which can be used in a backlight for a display. The converter consists of a waveguide plate ( | 04-23-2015 |
20150117058 | LED TUBE WITH LIGHT GUIDING PLATE - An LED tube includes an envelope, three light guiding plates received in the envelope, three LEDs mounted on the light guiding plates, and two covers fixed to two opposite ends of the envelope. The three light guiding plates each have an end face confronting a corresponding LED, an inner face having a plurality of dots formed thereon and an outer face opposite to the inner face. Light emitted by each LED is diffused by the dots of a corresponding light guiding plate to radiate outside uniformly. | 04-30-2015 |
20150117059 | MULTIDIRECTIONAL LIGHTING MODULE FOR IMPLEMENTING MULTIPLE COLORS AND ELECTRONIC DEVICE HAVING THE SAME - A multidirectional lighting module for implementing multiple colors and an electronic device having the same are provided. The multidirectional lighting module includes Light Emitting Diodes (LEDs), a circuit board on which the LEDs are mounted, and a light guide plate that emits light incident from the LEDs in at least two directions. This can make a notification light emit light in at least two directions and various colors can be implemented through one light guide plate. Furthermore, various embodiments can be made based on the spirit of the present disclosure. | 04-30-2015 |
20150124483 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes a display panel configured to display an image using light, a backlight assembly including a light source unit configured to generate the light, a lower receiving container including a bottom portion covering a lower surface of the light source unit and a side wall extended from an edge of the bottom portion, and a mold frame including a transmission portion between and facing a upper surface of the light source unit and the display panel, and a supporting portion facing a side surface of the lower receiving container, and a cover member covering a side surface of the mold frame and a lower surface of the lower receiving container. | 05-07-2015 |
20150131320 | BACKLIGHT MODULE - A backlight module including a light guide plate is disclosed. The light guide plate has a light emitting plane, a bottom plane opposite to the light emitting plane and a light incident plane connecting the light emitting plane and the bottom plane, a plurality of arc protrusions disposed on the first light incident plane; and a transparent layer disposed upon each of the arc-protrusions. In the backlight module, an LED bar is disposed near to the light incident plane of the light guide plate, and the LED bar has a plurality of LED light sources corresponding to the arc-protrusions of the light guide plate, respectively. | 05-14-2015 |
20150131321 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS INCLUDING THE SAME - A backlight assembly includes a plurality of first light sources configured to emit a first color, and a plurality of second light sources configured to emit a second color different from the first color, where the backlight assembly is divided in a first boundary area, a second boundary area spaced apart from the first boundary area in a first direction, and a middle area between the first boundary area and the second boundary area, and an arrangement direction of first and second light sources of the plurality of first and second light sources in the first and second boundary areas is different from an arrangement direction of first and second light sources of the plurality of first and second light sources in the middle area. | 05-14-2015 |
20150138835 | LIGHT GUIDE PLATE, METHOD FOR MAKING THE SAME, BACKLIGHT MODULE, AND DISPLAY DEVICE - Embodiments of the invention provide a light guide plate comprising a light guide layer and a reflective layer; a lower surface of the light guide being a reflective surface; an upper surface of the light guide layer being a stepped surface and comprising an upper step surface, a lower step surface and an inclined surface connecting the upper step surface and the lower step surface; wherein the lower step surface is a light exiting surface and the reflective surface is coated on the inclined surface. Embodiments of the invention further provide a method for manufacturing the light guide plate, a backlight module provided with such a light guide plate, and a display device provided with such a backlight module. | 05-21-2015 |
20150146453 | PLANAR LIGHT SOURCE DEVICE AND DISPLAY DEVICE HAVING THE SAME - A planar light source device includes a housing having an opening, point light sources arranged on at least one side surface in the housing, a light guide plate arranged in the housing and having a light-emitting surface facing the opening and a counter-emitting surface being opposite to the light-emitting surface, a reflecting sheet arranged on the counter-emitting surface side of the light guide plate in the housing, and a reflecting region arranged on at least a part of a peripheral portion of the point light sources on the side surface on which the point light sources are arranged in the housing and absorbing light having at least some wavelength. | 05-28-2015 |
20150293295 | FLAT PANEL LAMP - A flat panel lamp according to the invention comprises a light guide structure, at least a reflector member, at least a diffusion member and a light source module. The light guide structure has a bottom surface, an illuminating surface corresponding to the bottom surface, and a side surface located between the bottom surface and the illuminating surface. The reflector member is located at the bottom surface of the light guide structure. The diffusion member is located between the light guide structure and the reflector member. The light source module is located at the side surface of the light guide structure. The problem of non-uniform brightness can be resolved by the diffusion member, and the luminance intensity of the whole flat panel lamp can also increased. | 10-15-2015 |
20150330585 | LED LIGHT STRIP, BACKLIGHT MODULE AND DISPLAY DEVICE - The embodiments of the present invention provide an LED light strip, a backlight module, and a display device. The LED light strip includes a circuit board and further includes a plurality of LED illuminants that are electrically connected to the circuit board. The plurality of LED illuminants are arranged on the upper surface of the circuit board along a first direction, and intervals between the light-emitting centers of any two adjacent LED illuminants are not completely equal. The plurality of LED illuminants include light output surfaces perpendicular to the upper surface, wherein the light output surface of at least one LED illuminant is deflectively set at an acute angle with respect to the first direction or the reverse direction of the first direction. | 11-19-2015 |
20150331177 | BACKLIGHT MODULE AND DISPLAY DEVICE - The present disclosure provides a backlight module and a display device. The backlight module includes a light guide plate; an optical sheet arranged on one side of the light guide plate and provided with a first positioning part at an edge position of the optical sheet; and a mold frame arranged on the periphery of the light guide plate, wherein the mold frame includes at least a coverage part, which is located at one side of the optical sheet far away from the light guide plate and covers the edge position of the optical sheet, and a second positioning part used for coordinating with the first positioning part to realize positioning of the optical sheet is arranged on a surface of the coverage part facing the optical sheet. | 11-19-2015 |
20150346425 | ILLUMINATION DEVICE, DISPLAY DEVICE AND TV RECEIVER - Provided is a backlight device that includes: LEDs; a LED substrate; a light guide plate having a light-exiting surface, an opposite surface on an opposite side of the light-exiting surface, and a light-receiving face; a chassis; a frame; a heat dissipating member having a bottom part and a raised part; a pair of fixing members, each having a gripping part that extends along a long-side direction of the raised part and that grips each end in the long-side direction of the raised part in a direction perpendicular to a plate surface of the raised part, and a locking part that extends along the long-side direction of the raised part and that is locked to each of side faces adjacent to the light-receiving face of the light guide plate on a side of the light-receiving face. The pair of fixing members keeps a distance between the LED substrate and the light guide plate constant by fixing a distance between the gripping part and the locking part. | 12-03-2015 |
20150362664 | BACKLIGHT COMPONENT - A backlight component includes a back plate, a fastening module, a light source and a light-guiding plate. The fastening module includes a first plate, a second plate and a third plate. The first plate, the second plate and the third plate define a receiving space. The light source is securely assembled at one side of the second plate and facing toward the receiving space. The light-guiding plate is slidably assembled in the receiving space of the fastening module, and sandwiched between the first plate and the third plate. Accordingly, when the thickness of the light-guiding plate is changed, only the second plate of the fastening module need be changed; additionally, the length of the fastening module can be normalized to apply for display devices with different sizes. Consequently, the manufacturing cost of display devices can be reduced, and the fastening module is applicable to different kinds of display devices. | 12-17-2015 |
20150368146 | ALUMINOSILICATE GLASSES - Compounds, compositions, articles, devices, and methods for the manufacture of light guide plates and back light units including such light guide plates made from glass. In some embodiments, light guide plates (LGPs) are provided that have similar or superior optical properties to light guide plates made from PMMA and that have exceptional mechanical properties such as rigidity, CTE and dimensional stability in high moisture conditions as compared to PMMA light guide plates. | 12-24-2015 |
20150369996 | BACKLIGHT MODULE - A backlight module including a light guide plate, a circuit layer and at least one light source. The light guide plate includes a first surface, a second surface parallel and opposite to the first surface, and a recess disposed at a side edge of the light guide plate and including a third surface parallel to the first surface and the second surface. | 12-24-2015 |
20150370003 | LIGHT STRIP, BACKLIGHT AND DISPLAY DEVICE - The present disclosure relates to a light strip, comprising a substrate and a plurality of LED lights provided on the substrate, wherein, at least two rows of LED lights are provided on the substrate, two adjacent rows of LED lights are staggered arranged. The present disclosure further relates to a backlight and a display device. | 12-24-2015 |
20150370004 | BACKLIGHT, BACKLIGHT MODULE AND DISPLAY DEVICE - The invention discloses a backlight, a backlight module and a display device, belonging to the field of display technology. The backlight includes a plurality of LED lamps, a flexible circuit board for supplying power to the LED lamps and a supporting plate for supporting the flexible circuit board, wherein the flexible circuit board is arranged below the LED lamps, and the supporting plate is arranged below the flexible circuit board and is in a bent shape. In the present invention, by designing the supporting plate to be in a bent shape, it is no longer required to have to employ the existing linear backlight with a single structure, and meanwhile, the contact area between the supporting plate and air is enlarged to improve the heat dissipation effect of the backlight. | 12-24-2015 |
20150370005 | LIGHT GUIDE STRUCTURE AND BACKLIGHT MODULE - A backlight module including a light source module and a light guide structure is provided. The light source module includes a base, at least one light source and a first circuit layer. The base includes a carrying surface. The at least one light source is mounted on the carrying surface. The first circuit layer is integrated with the carrying surface and electrically connected to the light source. The light guide plate includes an engaging surface and at least one recess. The engaging surface is engaged with the light source module. The recess is disposed at the engaging surface for receiving the light source, wherein a material of the light guide plate and a material of the base are the same. The second circuit layer is integrated with the engaging surface, and electrically connected to the first circuit layer. | 12-24-2015 |
20150377464 | LIGHTING DEVICE AND OPERATING METHOD THEREOF - A lighting device includes a rotating unit, a clutching unit releasably engaging the rotating unit, and a lighting unit connected to the rotating unit. The clutching unit is operable to move between a first position, where the clutching unit engages the rotating unit to limit rotation thereof, and a second position, where the clutching unit disengages the rotating unit to permit free rotation thereof. The lighting unit is adjustable to a desired illumination angle when the clutching unit is in the second position. The clutching unit is moved from the second position to the first position to position the lighting unit at the desired illumination angle. | 12-31-2015 |
20150378081 | Edgelit Lighting Fixture and Assembly - Embodiments described herein are directed to a lighting fixture including a lightguide that distributes light from a major surface, a light assembly including light sources arranged linearly, and a frame including a means for providing a force that urges the light assembly against an edge of the lightguide. A standoff or spacer can provide an air gap between a light source of the light assembly and the waveguide edge. In various embodiments, the lighting fixture may incorporate a spring, a spring finger, a spring clip, a screw, or other means for securing the light assembly against the edge of the lightguide. In this manner, substantially all light provided by the light assembly is emitted into the edge of the lightguide. The fixture is formed to accommodate tolerances among elements of the lighting fixture, while maintaining the light assembly securely against the edge of the lightguide. | 12-31-2015 |
20160003999 | BACKLIGHT UNIT AND DISPLAY DEVICE - A backlight unit ( | 01-07-2016 |
20160004008 | GUIDING LIGHT PLATFORM - A guiding light platform includes a frame having a side plate, a top light-transmitting plate covering top of the frame, a bottom plate covering bottom of the frame, a LED strip mounted on the frame, and a separation plate mounted between the LED strip and the bottom plate. A top inner portion of the side plate is formed with a slanted surface disposed underneath and at an angle with respect to a bottom surface of the top light-transmitting plate to thereby define a space for receiving therein a waterproof adhesive. | 01-07-2016 |
20160025320 | LED LIGHT STRIP, BACKLIGHT AND DISPLAY DEVICE - The LED light strip according to the present disclosure may include a circuit board and a plurality of LEDs which are arranged and spaced on the circuit board along a first straight line. A gap may be formed between two adjacent LEDs. Projections of two adjacent LEDs on a first projection plane may at least partially overlap, and the first projection plane may be a plane perpendicular to the circuit board and parallel to the first straight line. | 01-28-2016 |
20160033714 | BACKLIGHT MODULE AND DISPLAY DEVICE - The present invention provides a backlight module and a display device, relates to the field of display technology, and can solve the problem of inconvenience in sterilization of an existing touch screen. The backlight module of the present invention comprises a plurality of light sources, and the plurality of light sources comprise ultraviolet light sources for sterilization and display light sources for display. The present invention particularly applies to a touch screen display device. | 02-04-2016 |
20160035946 | LIGHT EMITTING DIODE PACKAGE STRUCTURE, BACKLIGHT MODULE AND DISPLAY DEVICE - The present disclosure provides a light emitting diode (LED) package structure, a backlight module and a display device, and relates to the field of display technologies. The LED package structure includes an encapsulation housing and an LED chip encapsulated in the encapsulation housing. The encapsulation housing is a polyhedron which includes at least one inclined plane. One inclined plane of the encapsulation housing is a light exiting surface of the LED package structure. | 02-04-2016 |
20160041331 | GLAZING UNIT COMPRISING A TRANSPARENT DISPLAY - A glazing unit includes a transparent display located in only one portion of the glazing unit, at least one light-guiding substrate located nearer the exterior than the display, at least one light source located on the periphery of the substrate, for example facing an edge face of the light-guiding substrate, and a light extraction device for extracting the light emitted by the light source. The light source may be formed from a plurality of light emitting diodes. | 02-11-2016 |
20160047969 | Optical Waveguide Body - An optical waveguide body includes first and second pluralities of light extraction features disposed on a first side of the waveguide body and adapted to direct light out of the waveguide body through a second side of the waveguide body opposite the first side. Each of the first plurality of light extraction features has a linear shape and each of the second plurality of light extraction features has at least one of a piecewise linear shape and a nonlinear shape. The piecewise linear shape comprises two adjacent planar surfaces with an angle therebetween of at least about 30 and at most about 180 degrees. The waveguide body further has a light coupling cavity. | 02-18-2016 |
20160047974 | LIGHT EMITTING ASSEMBLY AND BACKLIGHT MODULE - A light emitting assembly, a backlight module having the light emitting assembly, and a liquid crystal display (LCD) apparatus having the backlight module are provided. The light emitting assembly includes a rigid circuit board, a plurality of light emitting diode (LED) devices, and a flexible circuit board. The rigid circuit board has a plurality of external circuits isolated from one another. The LED devices are disposed on the rigid circuit board, and each of the external circuits is connected to a corresponding one of the LED devices. The flexible circuit board has a plurality of connecting lines, and each of the connecting lines is connected to at least two of the external circuits, so as to serially connect the LED devices that are connected to the external circuits. | 02-18-2016 |
20160053953 | Twinkling Door Hanger - A twinkling door hanger mainly includes: a main body, being 3D body modeling, a front side thereof having a pair of slots opposite to each other, a wall of each slot being configured with a light transmissive hole; at least two light guiding plates, stacked together and inserted in the slots in a separable way, each thereof having a light incidence face corresponding to the light transmissive hole, and a plate face of each light guiding plate perpendicular to the light incidence face having a decorative pattern, and the decorative pattern of each light guiding plate being staggered; and a circuit unit, fixed to one side of the main body, having a control circuit in connection with a battery and providing electricity, at least having two light-emitting elements and a control circuit adapted to control each light-emitting element to wink in sequence, each light-emitting element illuminating toward the corresponding light incidence face. Whereby, allowing the present invention to achieve an effect of the staggered twinkle of the decorative patterns. | 02-25-2016 |
20160062032 | Illumination Devices Including Multiple Light Emitting Elements - A variety of illumination devices are disclosed that are configured to manipulate light provided by one or more light-emitting elements (LEEs). In general, embodiments of the illumination devices feature one or more optical couplers that redirect illumination from the LEEs to a reflector which then directs the light into a range of angles. In some embodiments, the illumination device includes a second reflector that reflects at least some of the light from the first reflector. In certain embodiments, the illumination device includes a light guide that guides light from the collector to the first reflector. The components of the illumination device can be configured to provide illumination devices that can provide a variety of intensity distributions. Such illumination devices can be configured to provide light for particular lighting applications, including office lighting, task lighting, cabinet lighting, garage lighting, wall wash, stack lighting, and downlighting. | 03-03-2016 |
20160069525 | VEHICLE HEADLAMP - A vehicle headlamp includes a first LED light source, a first light guide plate optically coupled to the first LED light source, a second LED light source, a second light guide plate optically coupled to the second LED light source, and a light barrier sheet interposed between the first and second light guide plates. The first light guide plate is configured to guide light emitted from the first LED light source onto a predetermined area thereby creating a second light distribution pattern. The second light guide plate is configured to guide light emitted from the second LED light source onto a predetermined area thereby creating a second light distribution pattern. The light barrier sheet is configured to prevent light transmission between the first and second light guide plates. | 03-10-2016 |
20160077276 | Display Backlight With Adhesive Attachment Layers - A display may have a backlight. The display backlight may have a light guide plate. An array of light-emitting diodes may emit light into the edge of the light guide plate. The array of light-emitting diodes may be mounted to a flexible printed circuit. A layer of adhesive tape may attach the light guide plate to the flexible printed circuit. The tape layer may have upper and lower adhesive layers on a carrier film. The carrier film may be formed from a metal-coated polymer layer, a high-low dielectric stack, a metal foil, or other reflective or non-reflective structures. A stiffener may be provided to facilitate handling of the adhesive tape. | 03-17-2016 |
20160084486 | LIGHTING DEVICE CONTROLLABLE BY HOVER OPERATION - A lighting device controllable by hover operation, including: a shell body; a light source unit; at least one conductive sensor; and a circuit board, which includes a capacitive touch detection circuit, a light source driver circuit, and a control unit; wherein, when a finger or a palm of an operator approaches at least one active region of the shell body during a control operation, each of the at least one active region being opposing one of the at least one conductive sensor, the capacitive touch detection circuit will detect a capacitance change signal via the at least one conductive sensor and generate an operation signal accordingly, and the control unit will control the light source driver circuit in response to the operation signal to determine a light emitting status of the light source unit. | 03-24-2016 |
20160091151 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight unit has a light-guide plate and a light source optically coupled with the light-guide plate, with which light is input from a plane of the light-guide plate and white-light is output from the first principal plane of the light-guide plate. The light source has a plurality of blue light emitting diodes, red phosphor material excited by light from the blue light emitting diodes and emits red light, and a plurality of green semiconductor lasers having emission peaks at green light wavelengths. | 03-31-2016 |
20160097935 | DISPLAY APPARATUS - A display apparatus has a first back bezel with a first side; a first light guide plate disposed above the first rear bezel; a first light bar disposed above the first side of the first back bezel, and the first light bar disposed between the first light guide plate and the first back bezel, and the first light bar including a plurality of first light-emitting diodes, a length of each of the first light-emitting diodes is L, a distance of two farthest first light-emitting diodes of these first light-emitting diodes is W | 04-07-2016 |
20160100698 | PRODUCT DISPLAY CASE OR HOT PLATE DISPLAY CASE HAVING AN EDGE-MOUNTED LED ARRAY FOR ILLUMINATING A LIGHT PIPE FOR ILLUMINATING THE INTERIOR PORTION OF THE PRODUCT DISPLAY CASE OR HOT PLATE DISPLAY CASE, AND/OR AN EDGE MOUNTED LED ARRAY FOR ILLUMINATING A GLASS SHELF WITHIN THE PRODUCT DISPLAY CASE OR HOT PLATE DISPLAY CASE - The present invention comprises a linear array of LEDs which can be utilized in conjunction with a product display case wherein the linear array of LEDs is operatively mounted upon, and disposed immediately adjacent to, a first end edge portion of a glass plate so as to effectively illuminate the glass plate by means of total internal reflection principles whereby the glass plate operatively serves as a light pipe such that the light emitted from a second opposite end edge portion of the glass light pipe can illuminate the interior portion of the product display case. Alternatively, the linear array of LED lights can be operatively mounted upon, and disposed immediately adjacent to, an edge portion of a glass shelf disposed within the product display case so as to likewise illuminate the glass shelf itself by means of total internal reflection principles whereby the illumination from the glass shelf serves to illuminate the products being displayed. | 04-14-2016 |
20160103272 | Backlight Assembly with Brightness Enhancing Structure - A backlight assembly is provided with an upper reflective layer including a plurality of transparent areas; a lower reflective layer secured to the upper reflective layer; a light guide plate disposed between the upper and lower reflective layers; a light source disposed under the lower reflective layer and corresponding to the transparent areas; a circuit board disposed above the upper reflective layer and including a plurality of first openings and a plurality of electrical contacts; and an opaque shading layer disposed on the circuit board and including a plurality of elastic members aligned with the electrical contacts, and a plurality of second openings. Light with enhanced brightness is transmitted to bottom of keycaps of an input device of a 3C product with energy consumed to a minimum during light transmitting. | 04-14-2016 |
20160109645 | Illumination Devices Including Multiple Light Emitting Elements - A variety of illumination devices are disclosed that are configured to manipulate light provided by one or more light-emitting elements (LEEs). In general, embodiments of the illumination devices feature one or more optical couplers that redirect illumination from the LEEs to a reflector which then directs the light into a range of angles. In some embodiments, the illumination device includes a second reflector that reflects at least some of the light from the first reflector. In certain embodiments, the illumination device includes a light guide that guides light from the collector to the first reflector. The components of the illumination device can be configured to provide illumination devices that can provide a variety of intensity distributions. Such illumination devices can be configured to provide light for particular lighting applications, including office lighting, task lighting, cabinet lighting, garage lighting, wall wash, stack lighting, and downlighting. | 04-21-2016 |
20160120030 | PRINTED CIRCUIT BOARD AND LIGHTING UNIT INCLUDING THE SAME - Provided are a printed circuit board a lighting unit including the printed circuit board, the printed circuit board including: a metal substrate; a light emitting element disposed on the metal substrate; and a wiring portion disposed between the light emitting element and the metal substrate. | 04-28-2016 |
20160131822 | DISPLAY DEVICE, MULTILAYER LIGHT GUIDE PLATE STRUCTURE AND FRONT LIGHT MODULE - A display device that includes a display panel, a multilayer light guide plate structure, and a light source is provided. The display panel has a display surface. The multilayer light guide plate structure is located on the display surface of the display panel. The multilayer light guide plate structure has a light incident surface, an upper surface, and a lower surface opposite to the upper surface, and the multilayer light guide plate structure includes a plurality of light guide plate layers stacked together. The light source is located beside the light incident surface of the multilayer light guide plate structure and has a light emitting surface. A multilayer light guide plate structure and a front light module are also provided. | 05-12-2016 |
20160131823 | Directional Backlight - Disclosed is a light guiding valve apparatus including at least one transparent stepped waveguide optical valve for providing large area collimated illumination from localized light sources, and at least one further illumination source. A stepped waveguide may be a stepped structure, where the steps include extraction features hidden to guided light, propagating in a first forward direction. Returning light propagating in a second backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. Such controlled illumination may provide for efficient, multi-user autostereoscopic displays as well as improved 2D display functionality. Light from a separate illumination source may pass through the transparent stepped waveguide optical valve to provide at least one further additional illumination function. | 05-12-2016 |
20160149098 | LIGHT EMITTING DIODE PACKAGE AND DISPLAY DEVICE HAVING THE SAME - A light emitting diode package includes a body portion including a planar portion and a sidewall portion bent upward from the planar portion to surround an edge of the planar portion, a first light emitting diode disposed on the planar portion and emitting a first light having a first color, and a second light emitting diode disposed on the planar portion to be spaced apart from the first light emitting diode by a predetermined distance and emitting a second light having a second color different from the first color. | 05-26-2016 |
20160149103 | LIGHT EMITTING DEVICE PACKAGE, BACKLIGHT UNIT, LIGHTING DEVICE AND ITS MANUFACTURING METHOD - Provided are a light emitting device package, a backlight unit, a lighting device and its manufacturing method. The light emitting device package may include a flip chip type light emitting device having a first pad and a second pad, a lead frame that includes a first electrode disposed at one side of an electrode separation space, and a second electrode disposed at the other side of the electrode separation space, and on which the light emitting device is mounted, a first bonding medium formed between the first pad of the light emitting device and the first electrode of the lead frame to electrically connect the first pad and the first electrode, and a second bonding medium formed between the second pad of the light emitting device and the second electrode of the lead frame to electrically connect the second pad and the second electrode, wherein at least one first accommodating cup capable of accommodating the first bonding medium is formed in the first electrode of the lead frame, wherein at least one second accommodating cup capable of accommodating the second bonding medium is formed in the second electrode of the lead frame, and wherein at least one air discharge path is formed on each of the first and second accommodating cups. | 05-26-2016 |
20160150640 | PLANAR ILLUMINATION DEVICE - A planar illumination device includes: a light guide plate; a point light source disposed to face a light incident surface of the light guide plate; and a circuit substrate on which the point light source is mounted. The circuit substrate includes: a base film; a first conductive layer and a first coverlay film stacked in sequence on a first surface of the base film, the first conductive layer including a pair of lands to which a pair of electrode terminals of the point light source are electrically connected; and a second conductive layer and a second coverlay film stacked in sequence on a second surface of the base film the second coverlay film including a light absorber. The second coverlay film is exposed between the lands and in front of a light emitting surface of the point light source in a light emitting direction. | 05-26-2016 |
20160161656 | Illumination Device Having a Light Guide With Leaky Side Surfaces - An illumination device includes one or more light-emitting elements (LEEs) arranged to provide light; a light guide includes a receiving end and an opposing end, the receiving end being arranged to receive the light provided by the LEEs. The light guide further includes a pair of opposing side surfaces extending along a length of the light guide between the receiving and opposing ends. The light guide is configured to guide the received light in a forward direction, along the length of the light guide toward the opposing end, and transmit a first portion of the guided light into ambient through one or more of the opposing side surfaces as sideways leaked light. The illumination device further includes an extractor located at the opposing end and configured to output into the ambient a remaining portion of the guided light—that reaches the opposing end—as output light in backward directions. | 06-09-2016 |
20160178835 | DISPLAY DEVICE | 06-23-2016 |
20160187566 | LED LIGHT SOURCE, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - An LED light source, a backlight module and a liquid crystal display device are disclosed. The LED light source includes: a housing having a light outlet; an LED wafer disposed within the housing, where a light-emitting surface of the LED wafer faces towards the light outlet of the housing; and a light adjustment layer disposed at the light outlet of the housing. | 06-30-2016 |
20160187575 | BACKLIGHT MODULE AND DISPLAY DEVICE - The disclosure is related to a backlight module and a display device. The backlight module comprises a light guide plate, a first light bar, a second light bar and a plurality of first blockers. The light guide plate comprises a first surface and a second surface intersecting with the first surface. The first substrate is arranged close to the first surface of the light guide plate. The first light emitting diodes are arranged between the first substrate and the first surface of the light guide plate. The second light emitting diodes are arranged between the second substrate and the second surface of the light guide plate. The first blockers are arranged between the first substrate and the first surface of the light guide such that a first space is formed between the first light emitting diodes and the first surface of the light guide plate. | 06-30-2016 |
20160195229 | WAVELENGTH CONVERSION SHEET AND BACKLIGHT UNIT | 07-07-2016 |
20160195666 | LIGHT UNIT WITH AN EXTENDED LIGHT EMISSION SURFACE | 07-07-2016 |
20160202407 | LIGHTING DEVICE AND CORRESPONDING METHOD | 07-14-2016 |
20160377784 | LIGHT GUIDE PLATE, BACKLIGHT MODULE, AND DISPLAY DEVICE - The present invention provides a light guide plate, a backlight module, and a display device. The light guide plate contains a platform of uniform thickness along an edge of the light guide plate for installing a flexible printed circuit (FPC). The platform contains a plurality of through openings for installing light emitting diodes (LEDs). The backlight module contains LEDs, a FPC, and the light guide plate. The FPC is configured on the platform. The LEDs are configured inside the openings. The display device contains the backlight module. The present invention enhances the reliable connection between the FPC and light guide plate, reduces the probability of coupling failure, and lower the manufacturing difficulty and cost. | 12-29-2016 |
20160377800 | BACKLIGHT SYSTEM FOR LIQUID CRYSTAL DISPLAY DEVICES - A liquid crystal display (LCD) panel and a backlight system for the LCD panel are provided. A light guide plate and an illumination source facing a side of the light guide plate are provided, wherein the illumination source comprises a set of light emitting diodes (LEDs). An LED substrate is provided on which the plurality of LEDs are mounted. A fixing plate is provided to which the LED substrate is attached. A set of clips are provided for binding the LED substrate and the fixing plate together. | 12-29-2016 |
20190143648 | LAMINATED GLAZING COMPRISING A LIGHT LIGHT-EMITTING DIODE | 05-16-2019 |
20190146142 | MOLDED LIGHT GUIDE FOR OPTICALLY COUPLING LIGHT FROM LEDS | 05-16-2019 |
20220137284 | ELECTRONIC DEVICE - The present disclosure provides an electronic device including: a casing, a main body of which is provided with a light transmitting area; an indicating structure including a light emitting component and a light guide component which are fixedly coupled; the light guide component is configured to scatter the light emitted by the light emitting component and then emit the scattered light; the indicating structure is fixedly coupled to the casing, and a light exiting surface of the indicating structure corresponds to the light transmitting area. | 05-05-2022 |