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| Number | Title | Issue Date |
| 8172417 | Shaped frontlight reflector for use with display In order to minimize the footprint of a display module, a frontlight system positioned over a first surface of a substrate may be used. The frontlight system may include an edgebar positioned over the first surface of a display substrate, and a Z-shaped reflector ha... | 05/08/2012 |
| 8162525 | Light guide plate and display apparatus A light guide plate and a display apparatus are disclosed. The light guide plate comprises a first portion and a second portion. The first portion includes a light output surface. The second portion is formed on one end of the first portion to guide light into the f... | 04/24/2012 |
| 8083391 | Planar light source and display device having the same A planar light source of the present invention has three lamps along a side face of a rectangular light guide plate. The lamps are arranged along an incidence plane which is one side plane of the light guide plate. The three lamps are arranged so as to be kept apart... | 12/27/2011 |
| 8052315 | 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 sour... | 11/08/2011 |
| 8047696 | Luminaire arrangement with cover layer A luminaire arrangement for providing a luminous flux in a target direction (z) comprising a light guide (101), multiple light sources (103) arranged at said light guide for emitting light into said light guide, out coupling means (106) arranged... | 11/01/2011 |
| 7980746 | Hollow type planar illuminating device A hollow type planar illuminating device having uniform luminance distribution over the entire light emitting is described. A reflecting surface member is arranged on the bottom side of a hollow unit case, a light emitting surface member is arranged on the side faci... | 07/19/2011 |
| 7909496 | Lighting system for creating an illuminated surface The present invention combines point light sources in combination with a light guide element and light redirecting elements into a system which can emit light across one or more extended surfaces of the light guide and may be designed to be able to emit light unifor... | 03/22/2011 |
| 7896534 | Back light unit and manufacturing method thereof A back light unit and a manufacturing method thereof capable of improving efficiency of a manufacturing process are disclosed. The back light unit includes a light source, a light guiding plate which uniformly transmits a light beam generated by the light source, an... | 03/01/2011 |
| 7850356 | Reflection sheet and backlight unit employing the same Provided are a reflection sheet for a backlight unit including: a base sheet; and a flexible coating layer, formed on at least a surface of the base sheet, containing at least one flexible elastomeric bead selected from the group consisting of an elastomeric acrylic... | 12/14/2010 |
| 7810976 | Surface emitting apparatus and image display apparatus using the surface emitting apparatus A surface emitting apparatus and image display apparatus using this surface emitting apparatus that enables improved luminance uniformity and smaller apparatus sizes. The surface emitting apparatus has a light source section that emits light, a light guide plate tha... | 10/12/2010 |
| 7766528 | Back-lit displays with high illumination uniformity A directly illuminated display unit has a display panel and one or more light sources disposed behind the display panel. A diffuser is disposed between the one or more light sources and the display panel, and a light diverting layer is disposed between the one or mo... | 08/03/2010 |
| 7758228 | Backlight unit A backlight unit of an LCD device is disclosed in which a light-diffusion substance below a light-guiding plate is formed as one body with a reflecting sheet by using a photonic crystal reflecting sheet to improve color purity. The backlight unit includes a lamp; a ... | 07/20/2010 |
| 7740389 | Liquid crystal display with light guide plate and light source disposed above the light guide plate A liquid crystal display (200) includes a transparent substrate (25), a light guide plate (28) disposed under the substrate, and a light source (29) disposed above the light guide plate at a thin side of the substrate. The light guide pla... | 06/22/2010 |
| 7726828 | Planar illumination light source device and planar illumination light device using the planar illumination light source device The present invention provides a planar illumination light source device by which uniform illumination light can be obtained over a wide area without increasing the thickness of LEDs in the radiation direction even when a highly directional light source such as LEDs... | 06/01/2010 |
| 7703970 | Illuminated background display apparatus An illuminating display including a transparent substrate in the form of a sheet or slab having an upper face, a lower face and a plurality of edge faces. The edge faces are provided with an internally reflective treatment and at least one light source associated wi... | 04/27/2010 |
| 7682061 | Display device with reflective surface for reflecting light to edges of display area A display device is provided. The display device includes a display panel comprising a display surface configured to display an image thereon, the display surface having an edge; a light source spaced apart from the display panel to form a space therebetween and con... | 03/23/2010 |
| 7674029 | Light guide device and light guide plate using the same A light guide device and a light guide plate using the same are provided. The light guide device has a first surface, a second surface, and a bottom surface. The first surface, the second surface, and the bottom surface define the internal part of the light guide de... | 03/09/2010 |
| 7641374 | Backlight module and light guide plate thereof A backlight module includes a light source and a light guide plate. The light guide plate includes a light-receiving surface next to a light source, a light-emitting surface, and a light-reflecting surface oppose to the light-emitting surface. A plurality of notches... | 01/05/2010 |
| 7618179 | Optical member, backlight unit and display apparatus An optical member enables a display apparatus to be improved in visibility of its display screen as viewed from a plurality of predetermined directions other than the directly forward direction. The optical member includes a lenticular lens member (3) having ... | 11/17/2009 |
| 7607814 | Backlight with symmetric wedge shaped light guide input portion with specular reflective surfaces A backlight includes a visible light transmissive body having a light guide portion and a light input portion. The visible light transmissive body primarily propagates light by TIR and includes a light input surface and a light output surface. The light guide portio... | 10/27/2009 |
| 7591577 | Light emitting device having reflective surfaces extended from light incident surfaces A light emitting device adapted for a backlight module of a liquid crystal display is disclosed. The light emitting device comprises a plurality of light emitting units and a light guiding plate having a central portion and at least one side portion. Each of the lig... | 09/22/2009 |
| 7527408 | Backlight unit having heat dissipating layer, display device having heat dissipating layer, and method for manufacturing heat dissipating layer A backlight unit and a display device having heat dissipating layer, and a method for manufacturing the heat dissipating layer are provided. A backlight unit includes a light source for emitting a light; a reflector below the light source for reflecting the light em... | 05/05/2009 |
| 7513670 | Backlight module and reflector thereof A backlight module (70) includes a light guide plate (72), a light source (74), a micro reflector array (723), and a reflector (76). The light guide plate includes a light input surface (722) facing the light source, a light... | 04/07/2009 |
| 7510314 | Backlight device The present invention is directed to a backlight device using light emitting units (7) in which a large number of light emitting diodes (12) are mounted, which comprises a reflection plate (16) for reflecting rays of light which have been emitte... | 03/31/2009 |
| 7497608 | Phosphor based illumination system having a long pass reflector and method of making same An illumination system including a light source, a light guide including an output surface, emissive material positioned between the light source and the output surface of the light guide, and an interference reflector positioned between the emissive material and th... | 03/03/2009 |
| 7494259 | Lighting unit A lighting unit including a light-reflecting reflector, a plurality of cold cathode tubes disposed inside the reflector and an optical waveguide connected with an open end of the reflector to guide the light emitted by the cold-cathode tubes. The reflector has a ref... | 02/24/2009 |
| 7473018 | Back light assembly and liquid crystal display device having the same A back light assembly includes a light guide plate (LGP), a light reflecting member (LRM), at least two lamps, and a receiving container. The LGP includes a light incidence face having a width that is a first distance, a light reflecting face for reflecting a first ... | 01/06/2009 |
| 7465081 | Lighting system A compact or thin lighting system is provided. Light fluxes emitted from an arc tube 22 are made to enter from a light reception face c1 of an optical member 24 from a reflector 24 and to emit from a light emission face c3 orthogon... | 12/16/2008 |
| 7465082 | Planar light-source device A planar light-source device is obtained in which, in the space between a point light source and the peripheral portion of a through-hole in a case, rays that leak into or are absorbed into a space outside a hollow region can be reduced, whereby the number of rays t... | 12/16/2008 |
| 7445368 | Backlight module and liquid crystal display using same An exemplary backlight module (22) includes a light guide plate (21), an illumination device (20), and plural reflection sheets (23). The illumination device is opposite to the light guide plate, and includes a supporting member (242 | 11/04/2008 |
| 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 |
| 7422358 | Backlight module A backlight module including a light source, a light guide plate, a lamp reflector and a frame is provided. The light source is disposed at a first side of the light guide plate, and surrounded by the lamp reflector and the light guide plate. The lamp reflector incl... | 09/09/2008 |
| 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 |
| 7407313 | Phosphor based illumination system having a plurality of light guides and a display using same An illumination system including a light source, light guides coupled to the light source, each including an input surface and an output surface, emissive material positioned to receive light from at least one light guide, and a first interference reflector position... | 08/05/2008 |
| 7384178 | Illumination device for flat-panel display and light-emitting lamp An illumination device for a flat panel display may include a light-guiding member for guiding light from a light-emitting lamp, wherein the light-emitting lamp has a light-emitting device incorporated in a lamp body, wherein the lamp body has a reflection surface t... | 06/10/2008 |
| 7384177 | Light emitting panel assemblies Light emitting assemblies include a tray that forms a cavity or recess containing one or more light sources. A sheet, film or substrate is positioned over the cavity or recess for controlling the light emitted from the assembly. The tray acts as a back, side or edge... | 06/10/2008 |
| 7377679 | Phosphor based illumination system having a plurality of light guides and a display using same An illumination system including a light source, light guides coupled to the light source, each including an input surface and an output surface, emissive material positioned to receive light from at least one light guide, and an interference reflector positioned su... | 05/27/2008 |
| 7377678 | Backlight module A backlight module including a diffuser, a reflector, a side light source, a prism lens and a TIR (total internal reflection) lens is disclosed. The reflector is disposed under the diffuser. The side light source is disposed on a side between the diffuser and the re... | 05/27/2008 |
| 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 |
| 7367706 | Illumination unit and liquid crystal display comprising it A liquid crystal display device according to the present invention has a lighting unit (UT) comprising a light guiding plate (3), a light source (2), a reflector (4), a reflecting sheet (5) and a housing (10), and a liquid crystal ... | 05/06/2008 |
