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| Number | Title | Issue Date |
| 8118464 | Light guide plate and backlight module A light guide plate (LGP) including a first surface, a second surface, a light incident surface and a plurality of optical micro-structures is provided. The first surface is opposite to the second surface. The light incident surface connects the first surface and th... | 02/21/2012 |
| 8100572 | Light guide device A light guide device is provided in an embodiment of the invention. The light guide device comprises a light guide plate and a light source provided on a side surface of the light guide plate. A light guide strip is provided on a side surface of the light guide plat... | 01/24/2012 |
| 8092063 | Sheet-shaped lightguide member and electronic device using the same A sheet-shaped lightguide member includes a lightguide sheet having a first surface, a second surface opposite the first surface, and a peripheral edge surface a part of which is defined as a light entrance surface. At least one of the first and second surfaces has ... | 01/10/2012 |
| 8079743 | Display backlight with improved light coupling and mixing A display backlight assembly providing improved optical coupling between a solid state light source and a display optical light guide. The assembly includes an optical coupler to couple the solid state light source and display optical light guide together. In additi... | 12/20/2011 |
| 8042965 | Lens and backlight module of display utilizing the same A display includes a panel and a backlight module. The backlight module includes a reflective board, a shell, at least two lenses and a light source. The lenses are installed on the reflective board. The reflective board is installed on the shell. The light source i... | 10/25/2011 |
| 8029179 | Planar illumination apparatus and liquid crystal display apparatus using the same Laser lights emitted from a light source 30 are diffused in a direction parallel to main surfaces of a light guide plate 9 by a one-dimensional diffuser 5. The diffused laser lights are converted to parallel lights by a first cylindrical lens | 10/04/2011 |
| 8002452 | Light guide plate, display device having the same, and method thereof A light guide plate and a display device having the same are provided, which can uniformly emit light on the whole. The light guide plate includes a light input part including first and second areas to which light is incident, and a light output part neighboring the... | 08/23/2011 |
| 7946721 | Backlight module An exemplary backlight module includes a base plate, a plurality of light guide plates and a plurality of light sources. The light guide plates are juxtaposed and attached on the base plate. The light guide plates are optically isolated from each other. The light so... | 05/24/2011 |
| 7918597 | Spread illuminating apparatus A spread illuminating apparatus is provided where: a light introducing prism mechanism is formed at a light entrance surface of a light guide plate wherein the prism mechanism includes a plurality of prism pieces extending in the thickness direction of the light gui... | 04/05/2011 |
| 7665877 | Prism sheet, backlight unit using the same, and method for fabricating the prism sheet A prism sheet capable of enhancing light efficiency and viewing angle characteristics, a backlight unit using the prism sheet, and a method for fabricating the prism sheet are disclosed. The prism sheet includes a transparent substrate, a plurality of grooves formed... | 02/23/2010 |
| 7637646 | Backlight assembly and liquid crystal display device having the same A backlight assembly includes a plurality of light emitting diodes (LEDs), a light guiding plate disposed on the same plane as the LEDs, and a plurality of optical correcting portions formed on a side of the light guiding plate and spaced apart from each other by a ... | 12/29/2009 |
| 7604388 | Light-guiding plate, lighting device and display device A light-guiding plate, an optical source device and an electronic device. The light-guiding plate including an incident surface, and an emission surface substantially perpendicular to the incident surface. The incident surface has a surface substantially perpendicul... | 10/20/2009 |
| 7585098 | Light source device and liquid crystal display device using the same Color non-uniformity due to LED light sources of a liquid crystal display (LCD) device is improved. A light quantity control film is arranged between an LED source and the entrance surface of a mixing light guide plate. This light quantity control film is arranged i... | 09/08/2009 |
| 7520652 | Area light source An area light source comprising an LED primary light source (2), a plate-like light guide (4) and a light deflector (6) is provided with a direct light incoming prevention means closed of a light-blocking member (9). The light guide (4... | 04/21/2009 |
| 7517127 | Light guide plate, including inclined surface, surface light source device and display using the same An emission face of a light guide plate is divided into two portions, a first emission part having a large area and a second emission part having a small area, by a straight line extending from a generally lateral-center position of the incidence face perpendicularl... | 04/14/2009 |
| 7517128 | Backlight assembly removing dark areas and display device provided with the same A backlight assembly removing dark areas and a display device including the backlight assembly are provided. The backlight assembly includes a light source to emit light, and a light guiding plate which receives and guides the light emitted from the light source. A ... | 04/14/2009 |
| 7478939 | 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... | 01/20/2009 |
| 7455441 | Linear light source, method for manufacturing the same and surface emitting device A linear light source includes light emitting elements 5 which are arranged on a square rod-shaped printed board 4 along the longitudinal direction thereof and reflectors 6 which are arranged alternately with the light emitting elements 5... | 11/25/2008 |
| 7452118 | Area light source Area light source 10 used for LCD device 1 includes light guide 12 and LED devices 18 and 19 disposed at a side portion of light guide 12. A light receiving portion at a side edge portion of light guide 12 is provided... | 11/18/2008 |
| 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 |
| 7413331 | LCD with multi-color optical unit and cross dichroic device The present invention relates to a backlight apparatus and a liquid crystal display apparatus, capable of realizing a backlight apparatus having high color reproductivity without color irregularities in a backlight apparatus having a LED device as its light source. ... | 08/19/2008 |
| 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 |
| 7380971 | Backlight module A backlight module includes a light guide plate having an incident surface, an emitting surface adjacent to the incident surface, and a reflective surface opposite to the emitting surface. At least one light source is disposed adjacent the incident surface. The ligh... | 06/03/2008 |
| 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 |
| 7375379 | Light-emitting device The invention provides a light-emitting device and a method of illumination. The light-emitting device includes one or more semiconductor layers, a reflective bottom surface, and a top surface coupled to semiconductor layer. The semiconductor layers include an activ... | 05/20/2008 |
| 7374329 | Light guide device and a backlight module using the same A light guide device includes a main body having a first incident surface, a second incident surface, an emitting surface, a reflecting surface and a plurality of first microstructures. The first incident surface is opposite to the second incident surface. The emitt... | 05/20/2008 |
| 7372520 | Liquid crystal display device with plural linear light sources having different lengths In a liquid crystal display device, a reduction in thickness with high luminance is achieved by laterally arranging two cold cathode fluorescent tubes in parallel to a main surface of the light guide plate along one side thereof and, at the same time, mutual interfe... | 05/13/2008 |
| 7370999 | Light guide plate and surface light source using same An exemplary light guide plate (500) includes: a light incident portion (51) for receiving a light; a light reflecting portion (52) for reflecting the light input through the light incident portion; and a light emitting portion (53) oppos... | 05/13/2008 |
| 7364342 | Light redirecting films pattern of variable optical elements Light redirecting films and film systems include a thin optically transparent substrate having a pattern of individual optical elements of well defined shape on or in the substrate. At least some of the optical elements may vary at different locations on the substra... | 04/29/2008 |
| 7360937 | White light generating unit, backlight assembly having the same and liquid crystal display device having the same A white light generating unit includes an LED structure and a lens structure. The LED structure generates a light. The lens structure has a convex lens or a concave lens. The lens structure has a fluorescent member that receives the light from the LED structure to e... | 04/22/2008 |
| 7360938 | Surface light-source device and display unit using the same A surface light-source device of a display unit comprises a light source, light guide plates and reflector sheets. The light guide plate has an emission surface for emitting the light of the light source as planar light. The reflector sheet reflects the light of the... | 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 |
| 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 |
| 7354185 | Light guiding plate and backlight module using the same A back light module (3) includes a light guide plate (31) and a light source (30). The light guide plate includes a light incident surface (311), a light emitting surface (313), and a bottom surface (312) opposite to the lig... | 04/08/2008 |
| 7356239 | Light-guiding plate, lighting device and display device A reflector has a curved part covering the light source and a pair of end parts extending at the two sides of the curved part. The inside surface of each end part has a plurality of substantially parallel projections or depressions. The light-guiding plate has an in... | 04/08/2008 |
| 7350955 | Back light source module A back light source module of a liquid crystal device is provided. The back light source module includes a backplate, a light source fixture disposed on the backplate. The back light source module also includes a first light source having a first normal line and dis... | 04/01/2008 |
| 7344292 | Edge-type backlight unit An edge-type backlight unit having a plurality of rows of red, blue and green LEDs to provide a light source. In the backlight unit, a light guide plate has a light incidence part formed on a side surface thereof to receive light, the light guide plate inducing the ... | 03/18/2008 |
| 7342618 | Backlight device comprising a printing portion made of colorless ink for preventing a bright line and liquid crystal display device having the same A back light device for use in a liquid crystal display device, which includes: at least one lamp; a light guide plate for guiding light emitting from the lamp; a diffusing sheet for diffusing light emitting from the light guide plate; at least one prism sheet locat... | 03/11/2008 |
| 7331682 | Back light module with birefringent crystal assemblies A back light module (100) includes a light guide plate (130), a number of light sources (110) at one side of the light guide plate, and a number of birefringent crystal assemblies (120) respectively located between the light sources and t... | 02/19/2008 |
