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| Number | Title | Issue Date |
| 8186841 | Backlight device, liquid crystal display device, and method for assembling backlight device A fluorescent tube is prevented from being wrongly attached and broken when being attached, and luminance nonuniformity of backlight due to luminance difference generated in a tube axis direction of the fluorescent tube is reduced. A backlight device 2 is pro... | 05/29/2012 |
| 8167461 | Method of manufacturing a light emitting device A method of manufacturing a light emitting device includes separating a plurality of regions in a film with a thickness not greater than 0.5 millimeters to form a plurality of legs continuous with a body of film, folding the plurality of legs such that each leg term... | 05/01/2012 |
| 8152319 | Backlight module and liquid crystal display A backlight module and a liquid crystal display are disclosed. In the backlight module having a reflector base, a phosphor layer is disposed on the reflector base, and a plurality of blue light emitting diode (LEDs) are disposed above the reflector base and the phos... | 04/10/2012 |
| 8128271 | Light coupling into films A light emitting sign including a lightguide having a thickness not greater than 0.5 millimeters. The lightguide having an array of elongated legs extending therefrom, wherein each leg terminates in a bounding edge and is folded such that the bounding edges are stac... | 03/06/2012 |
| 8123390 | Backlight assembly and liquid crystal display apparatus having the same A backlight assembly includes a plurality of lamps, a receiving container, a diffuser plate and a plurality of holding members. The lamps generate a light. The receiving container receives the lamps. The receiving container includes a bottom portion and a side porti... | 02/28/2012 |
| 7976207 | Backlight assembly and display device having the same Provided are a backlight assembly and a display device having the same. The backlight assembly includes a light source unit which generates light; and a light guide plate which comprises an incident light surface through which the light from the light source unit en... | 07/12/2011 |
| 7780306 | Light guide plate, backlight unit and method of manufacturing the same, and liquid crystal display A light guide plate is provided. The light guide plate includes a light source hole part configured to accommodate a light source, the light source hole part provided at a back surface on the opposite side of a light emitting surface; and a recessed part provided on... | 08/24/2010 |
| 7674028 | Light enhancing structures with multiple arrays of elongate features of varying characteristics Various embodiments comprise light recycling films comprising an array of parallel ridges and grooves that form prisms that selectively reflect or transmit light. In some embodiments, the light recycling film may be used in displays that include spatial light modula... | 03/09/2010 |
| 7661846 | Fixing structure and backlight module using the same A fixing structure and a backlight module using the same are provided. The fixing structure is used for fixing a circuit board. The circuit board with several openings has an upper surface and a lower surface. The fixing structure includes a back plate and several h... | 02/16/2010 |
| 7553055 | Systems for displaying images Systems for displaying images are provided. An embodiment of a system comprises a liquid crystal display module, and the liquid crystal display module comprises a backlight assembly. The backlight module primarily includes a circuit board and at least an LED dispose... | 06/30/2009 |
| 7537368 | Surface light-source device using light-emitting elements A surface light-source device is composed of a light guide plate, luminescent panels and reflector sheets. The light guide plate is composed of three light guide units respectively formed in a rectangular plate-like shape having a rectangular light emission surface,... | 05/26/2009 |
| 7530719 | Light source device and light deflection element [The present invention provides] a light source device comprising: a light conductor which has a first light incident end surface, a second light incident end surface and a light emitting surface; a first primary light source and a second primary light source which ... | 05/12/2009 |
| 7513668 | Illumination system for a head up display An illumination system for use in illuminating a spatial light modulator for a head up display system. The illumination system includes a high power light emitting diode (LED) array assembly; and, a Fresnel lens array operatively associated with the LED array assemb... | 04/07/2009 |
| 7438450 | Surface light source device and liquid crystal display assembly A liquid crystal display assembly includes a liquid crystal display, and a surface light source device that illuminates the liquid crystal display from a back surface. The surface light source device includes a housing including a bottom plate, a light source that i... | 10/21/2008 |
| 7430355 | Light emissive signage devices based on lightwave coupling A signage device comprising one or more light sources, a waveguide or arrangement of waveguides and photoluminescent features coupled thereto. In one embodiment, a waveguide is adapted to receive light of a first wavelength and the photoluminescent features are adap... | 09/30/2008 |
| 7418795 | Illuminated sign An illuminated sign includes a housing and/or a frame, a plate of a light-transmitting material and at least one three-dimensional body, likewise of a light-transmitting material such as a convex strip, in the form of figure, a sign, a decoration or the like, and a ... | 09/02/2008 |
| 7413334 | Backlight and liquid crystal display device A plurality of LEDs are arrayed in a single row between the opposing end faces of a pair of first and second light guide plates that are disposed so that the end faces thereof face each other. A reflective sheet is disposed on the lower surfaces of the pair of first... | 08/19/2008 |
| 7413330 | Backlight, backlight drive device and display device A proposed backlight is suitable for a large size liquid crystal display. A backlight 2 for illuminating a liquid crystal panel 3 from the rear, is formed by combining a plurality of backlight units 10, 10, . . . By providing a transparent acryl... | 08/19/2008 |
| 7410284 | Methods for producing three dimensional, self-supporting, light redirecting roof lighting systems A self-supporting roof lighting system that accepts low elevation light and rejects high elevation light may be produced by making arrays of parallel laser cuts through, or partly through, a flat sheet of transparent acrylic, cutting the segment containing the array... | 08/12/2008 |
| 7407303 | Lighting device comprising a plurality of semiconductor light sources A lighting device is disclosed comprising a plurality of semiconductor light sources disposed on a carrier, wherein the light from the light sources is coupled into assigned lightguides at a set angle to the surface normals of the carrier and the lightguides are pro... | 08/05/2008 |
| 7396145 | Backlight unit and method for equalizing brightness thereof A backlight module includes at least a light source generator, a housing, at least a thermal detector, and an inverter. The thermal detector is disposed in the housing for measuring the temperature within the housing when the light source generator is operating, and... | 07/08/2008 |
| 7391407 | Back-light driving circuit in field sequential liquid crystal display A back-light driving circuit controlling red (R), green (G), and blue (B) back lights providing light to a liquid crystal panel in a field sequential liquid crystal display. The back-light driving circuit includes a driving voltage generator that provides a driving ... | 06/24/2008 |
| 7387420 | Surface light source device A surface light source device has a light-conductor plate operable to conduct light inside and allows the light to exit at a light-exit surface to outside, a light source that is small compared to a width of the light-conductor plate, having a first surface arranged... | 06/17/2008 |
| 7374305 | Light emitting panel assemblies Light emitting assemblies include a light emitting panel member having at least one light source positioned, embedded, potted, bonded or otherwise mounted in a shaped slot, cavity, recess, opening or hole in the panel member. Deformities on at least one surface of t... | 05/20/2008 |
| 7372522 | Optical guide and surface light emitting apparatus using the same A light emitting apparatus that is capable of emitting light with uniform intensity and high luminance are provided. The first optical guide comprises a first principal surface that has an effective light emitting region of substantially rectangular shape surrounded... | 05/13/2008 |
| 7370987 | Display panel comprising a light guide plate The display panel (21) comprises a light guide (2), a second plate (4) and a movable element (3) between both plates for locally decoupling light out of the light guide (2). Voltages, applied to electrodes (5,6 resp. 25 | 05/13/2008 |
| 7366393 | Light enhancing structures with three or more arrays of elongate features Various embodiments comprise light recycling films comprising an array of parallel ridges and grooves that form prisms that selectively reflect or transmit light. In some embodiments, the light recycling film may be used in displays that include spatial light modula... | 04/29/2008 |
| 7364344 | Lamp housing and backlight module using the same An exemplary lamp housing includes a base (21), two frame members (23), and two frame holding members (24). The base includes an upper surface for disposing one lamp (20) thereon. The frame members are respectively attached to two opposit... | 04/29/2008 |
| 7364338 | Systems for providing backlight module with stacked light source A system for providing a backlight module has a light guide plate and at least a light source set positioned adjacent to the incident surface. The light source set contains a plurality of light sources stacking along a direction parallel with the incident surface of... | 04/29/2008 |
| 7360939 | Surface emitting device, backside illumination device, and liquid crystal display device At the light emission surface of a light-guiding plate, first and second grooves and second grooves are formed. Each of the first grooves has a pair of slope parts, and each slope part has an easy slope and a steep slope. The second grooves intersect the first groov... | 04/22/2008 |
| 7357552 | Surface light source device and display An incidence face is formed at a corner portion of a light guide plate having a generally rectangular emission face, being supplied with primary light form a primary light source. The incidence face has a configuration which obtained by applying undulation-modificat... | 04/15/2008 |
| 7357555 | Phosphor based illumination system having an interference reflector and a display An illumination system including a light source, a light guide including an output surface, emissive material positioned to receive light from the output surface of the light guide, and a first interference reflector positioned between the output surface of the ligh... | 04/15/2008 |
| 7359011 | Reflection-type liquid crystal display device To suppress a decrease in the contrast caused by the reflection on the interface to the air layer without decreasing the quality of display. A reflection-type liquid crystal display device includes a light guide plate having a polarizing element stuck or adhered the... | 04/15/2008 |
| 7357560 | Light guide plate locating construction A light guide plate locating construction includes a frame containing a mask and light tube with the light guide plate mounted at the open end of the mask; light permeating through one side of the light guide plate to project in the anticipated direction; locating h... | 04/15/2008 |
| 7357556 | Lamp reflector for use in a backlight module and method for making the same A reflector for use in a backlight module, and a method for making the same are disclosed. The backlight module includes a light source and a light guide plate. The light guide plate includes a light-entry surface and a light-emitting surface, substantially normal t... | 04/15/2008 |
| 7357557 | Light guide plate A light guide plate comprises: a plate ember having a light transmitting capability; and a light incidence face provided on a side surface of the plate member; wherein the plate member changes a path of light emitted from a light source arranged to face the light in... | 04/15/2008 |
| 7354184 | Light emitting panel assemblies Light emitting assemblies include a panel member having two or more light sources, and at least one film, sheet, plate or substrate positioned in close proximity to the panel member with an air gap or cavity therebetween. Deformities on at least one surface of the p... | 04/08/2008 |
| 7350952 | Illumination system and display device using the same An illumination system that makes it possible to generate light with less color irregularity with a simple structure while restraining the increase of size is provided. A tube-shaped reflector having a tube-shaped wall whose inner surface is reflective is provided. ... | 04/01/2008 |
| 7347612 | Backlight module incorporating a nonspecular reflective device A backlight module 200 is provided, which includes a light guide plate 22 and a nonspecular reflective device 28, 34. The light guide plate 22 has a light-incident surface 221, a light-emitting surface 223, and a bottom surf... | 03/25/2008 |
| 7347611 | Optical guide and image forming apparatus using the same An optical guide and an image forming apparatus which uses the optical guide in an eraser or an auxiliary transfer device. The optical guide guides light incident through one side in a lengthwise direction, makes the light in an effective width range of the lengthwi... | 03/25/2008 |
