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Document Title |
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7632003 |
Back light unit
A back light unit, in which bright lines produced from point light sources, light emitting diodes, in an oblique direction are removed, so that brightness can be uniformly maintained at a liquid...
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7628514 |
Prism sheet and backlight module using the same
An exemplary prism sheet includes a transparent main body. The main body includes a first surface and a second surface. The first surface is opposite to the second surface. A plurality of elongated...
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7618164 |
Moire reducing optical substrates with irregular prism structures
An optical substrate having a structured surface that enhances brightness and reduces moiré effect. The optical substrate has a three-dimensionally varying, structured light output surface that...
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7614777 |
Liquid crystal display device
The present invention provides a liquid crystal display device of high quality having high brightness and uniform brightness distribution by focusing the light radiation direction from a light...
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7614773 |
Light guide plate and liquid crystal display device having the same
A light guide plate and a liquid crystal display device having the same. The light guide plate is disposed upstream of a liquid crystal panel to refract light supplied through an edge thereof,...
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7614758 |
Backlight for color liquid crystal display apparatus
A backlight for a color liquid crystal display apparatus includes a first light-guide plate; a first incidence part for receiving light of a first primary color in a first area on a first lateral...
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7614772 |
Linear light emitting apparatus
The linear light emitting apparatus includes: a light source; and, a linear light guide member into which the light of the light source is guided from one end side thereof, and also which includes...
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7614776 |
Diffusing board and surface light source device
A diffusing board which can suppress moiré fringes, color flickering and screen brightness deterioration on a screen of a liquid crystal display device. On the surface of a transparent board ( 83...
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7602459 |
Light diffusion module and a back light module using the same
A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module...
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7585083 |
Backlight for display device
A backlight for a display device includes a board, a plurality of light emitting diodes (LEDs) mounted on the board, and a light guiding plate that is provided on the LEDs and has light reflecting...
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7581867 |
Brightness enhancement film using an array of light concentrators
A brightness enhancement article and illumination system provides light from a two-dimensional surface. The brightness enhancement article has a plurality of light collecting structures wherein...
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7576810 |
Prism sheet and liquid crystal display device using the same
An exemplary prism sheet includes a main body having a surface. The surface defines a plurality of first V-shaped micro-protrusions and second V-shaped micro-protrusions thereon. Each of the first...
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7568827 |
Light guide member and backlight unit including light guide member
A light guide member for guiding light incident thereon from a light source, the light guide member including a plurality of the first grooves extending along a first direction on a first side of...
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7566158 |
Display device and backlight unit for the same
A backlight unit for a display device is disclosed. The backlight unit includes a first optical sheet, a light source to supply light to the first optical sheet, and a first antireflection layer on...
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7563013 |
Light guide plate
A light guide plate is adapted for use with at least one light source that is capable of providing source light beams. The light guide plate includes a plate body, and a plurality of light-guiding...
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7559683 |
Backlight assembly, light guiding plate including plurality of discontinuously formed prisms
A backlight assembly includes a light source for emitting light; and a light guiding plate for guiding the light emitted from the light source. A plurality of prisms is discontinuously formed on a...
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7553050 |
Optical sheet, backlight assembly and display device having the same
An optical sheet includes a base film and a light-concentrating member. The light-concentrating member includes light-concentrating protrusions and is disposed on the base film. Each of the...
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7549776 |
Scuff plate
A scuff plate of the invention is a scuff plate which has a luminous unit of which a side surface of side surfaces forms a luminous surface, a light source unit which emits light to the luminous...
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7543973 |
Light guide plate, method of manufacturing light guide plate and backlight with the light guide plate
An edge-light type light guide plate 30 is provided and has a first surface 31 and a second surface 32 that are opposed to each other, and a peripheral edge surface extending between the...
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7545569 |
Optical apparatus with flipped compound prism structures
An optical apparatus comprises a light source, an optical member and a spatial light modulator. The optical member comprises optically transmissive material and has a textured major surface...
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7543972 |
Backlight module having plural light guide sets
A backlight module includes a light guide plate, which includes a substrate and at least two light guide sets formed on a surface of the substrate. Each light guide set includes a plurality of...
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7537373 |
Light guide plate and backlight module using the same
A light guide plate ( 30 ) includes a light incident surface ( 31 ), a light emitting surface ( 32 ) and a bottom surface ( 33 ). The light emitting surface adjoins the light incident surface. The...
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7537372 |
Back light device and liquid crystal display device
A backlight device with improved efficiency in the utilization of light and a liquid crystal display device providing this backlight device are provided, the backlight device comprising at least a...
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7534026 |
Light source device, display device, and terminal device
In a display device equipped with a light source device, a second light-guide member is provided to the back surface of a first light-guide member that has an emitted light control sheet provided...
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7534024 |
Optical deflector element and light source device
An optical deflector element has a light incoming surface ( 41 ) in which light enters and a light outgoing surface ( 42 ) located opposite the light incoming surface and from which light exits. In...
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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;...
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7530721 |
Double-sided turning film
A backlight device for a display comprising (1) a side-lit light source, (2) a light guide plate and (3) a turning film comprising a light entry and a light exit surface comprising lenticular...
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7530720 |
Backlight unit and display apparatus having the same
A backlight unit includes a planar light source member that has a light-emitting surface and that emits light having directivity in a perpendicular direction to the light-emitting surface. An...
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7530725 |
Light guide plate with reflective/refractive depressions, and backlight module using the same
A backlight module ( 20 ) includes a light source ( 21 ), a prism sheet ( 23 ) and a light guide plate ( 22 ). The light guide plate includes an incident surface ( 221 ), an emitting surface ( 223...
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7527398 |
Flat panel display
A flat panel display can include a transparent substrate, a light emitting device formed on a surface of the transparent substrate, and a prism sheet formed on the other surface of the transparent...
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7529048 |
Optical film having multi-story prisms and manufacturing process thereof
An optical film includes a supporting layer and a structured-surface layer having a plurality of prims juxtapositionally formed on the supporting layer, each prim including a lower prism element...
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7529461 |
Light guide plate with compensated emission light field
A light guide plate includes a light incidence surface, a light reflection surface, and a light emission surface. The light emission surface forms a plurality of light-guiding structures, which are...
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7527413 |
Liquid crystal display device
A liquid crystal display device has a liquid crystal display panel and a backlight. The backlight includes plural line light sources arranged in parallel with each other, a transparent optical...
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7517130 |
Planar light source unit
A planar light source unit including a light guiding plate ( 1 ) having an anisotropic diffusing surface ( 1 h ) which emits anisotropic diffusion light, and a light emitting source ( 2 ) for...
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7518663 |
Display device with multi-grooved light direction element and first and second alternating illuminated light sources simultaneously switched for 2D display and synchronously switched for 3D display
A display device with directional backlight produces stereoscopic images by emitting light in two angular cones. Light is alternatively sent to the left and to the right eye of the observer...
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7517125 |
Manufacturing method of backlight unit, and backlight unit, electro-optic device, and electronic apparatus
A backlight unit including: a light source that irradiates light; and a diffusing plate that diffuses the light irradiated from the light source, wherein the diffusing plate is provided with a...
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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 (...
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7510316 |
Ultra compact illumination system for display systems
An illumination system includes a light guide having an entrance face, an exit face and an aperture in which a light source can be arranged Various elements are arranged in the light guide to...
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7503684 |
Planar light source and image display
A plane source of light (back light) of the type of emitting light from both surfaces featuring a good light utilization efficiency and without permitting the external light to transmit through a...
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7497610 |
Light guiding plate including a plurality of prisms, surface emitting device using light guiding plate, and liquid crystal display device using light guiding plate
A light guiding plate comprises a pair of main surfaces opposite to each other, and an end surface on which light emitted from a light source is incident. One of the pair of main surfaces has a...
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7492520 |
Light source apparatus and display apparatus
A light source apparatus is provided. The light source apparatus includes: a light-emitting portion; a light-guiding plate having the light-emitting portion disposed at a side surface thereof,...
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7478942 |
Light guide plate with light reflection pattern
A light guide plate includes a light incident surface for receiving light, first and second light emission surfaces for emitting light at a first light emission angle with respect to the first and...
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7465083 |
Focusing plate, surface light source device, and image display device
An increased emission brightness provides a clear image display. Light from luminescent lamp 10 travels into light guide plate 2 through incidence face 3 , being emitted from emission face 4 ...
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7465084 |
Light guiding plate and backlight apparatus
A light guiding plate includes: an X axis direction light distribution control section; and a diffuse reflection section. The X axis direction light distribution control section performs light...
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7458704 |
Optical element and illuminating device
The present invention provides an optical element and an illuminating device. The optical element includes: an incident surface; and an emitting section formed on an opposite side to the incident...
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7452093 |
Prism sheet and display device using the same
A prism sheet for emitting an incident light in an even distribution state of light quantity even in the case of using an irradiating light source such as a point light source having an emission of...
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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...
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7452119 |
Lighting device, liquid crystal display device, and electronic apparatus
A lighting device of the invention includes: a plurality of light sources; and an optical waveguide, wherein light emitted from the plurality of light sources is incident from a side of the optical...
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7448776 |
Brightness enhancement film having curved prism units
A brightness enhancement film includes a substrate and a plurality of curved prism units. The curved prism units are extended in parallel and mounted to a surface of the substrate. Each of the...
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7448787 |
Prism sheet and backlight unit employing the same
Provided is a prism sheet including a substrate transmitting incident light and having at least one groove inwardly formed in a surface of the substrate. A refractive member is provided in the...
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