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8988336 Dual-orientation autostereoscopic backlight and display  
Stereoscopic displays and backlights include a light guide with individually addressable light sources disposed at opposite edges of the light guide, and a light redirecting film disposed in front...
8979349 Illumination devices and methods of fabrication thereof  
Illumination devices and methods of making same are disclosed. In one embodiment, an illumination apparatus includes a light source, a light guide having a planar first surface, a first end and a...
8970807 Backlight module and liquid crystal display  
Disclosed is a backlight module having light sources and a light guide plate, and the light guide plate has an incident side, and the lights emitted by the light sources pass through the incident...
8956034 System and method for providing a tailored angular distribution of light from a display  
The present invention is a display assembly including: a display and a backlight module, the backlight module including a prism structure. The backlight module generates light rays and directs the...
8950919 Optical element and backlight module incorporating the same  
An optical element includes a light guide plate, a reflector received in a mounting hole of the light guide plate, and a supporting rod secured to and extending upwardly from the reflector. The...
8944663 Light guide plate and backlight module having V-cut structure  
A light guide plate having a V-cut structure and a backlight module are disclosed. The light guide plate comprises straight-striped V-cut structure sets and a base plate having a light-entering...
8939633 Area light source device  
An area light source device has a light guide plate including a light incident end face, a light guide plate main body thinner than a thickness of the light incident end face, and a light...
8926160 Light guide plate, planar lighting device, and liquid crystal display device  
The light guide plate has at least two layers which are superposed on each other in the direction almost perpendicular to the light exit surface and contain the scattering particles at different...
8917366 Liquid crystal display device  
The present invention provides a liquid crystal display device, which includes a backlight module and a liquid crystal panel disposed on the backlight module. The backlight module includes an...
8915604 Prism sheet, backlight unit including the same, and optical display apparatus including the same  
A prism sheet includes a base film having one flat surface and an optical refractive section having a plurality of prisms arranged along a first direction to constitute first and second prism...
8899814 Optical sheet with unit prisms including unit prism groups  
An optical sheet includes a sheet-like body portion, and unit prisms arranged on one surface of the body portion. Each unit prism extends linearly in a direction intersecting the arrangement...
8896786 Liquid crystal display device having uniform brightness  
A liquid crystal display device has brightness uniformity at its front and lateral sides. The liquid crystal display device includes a reflection sheet reflecting light; an optical plate including...
8894243 Organic light emitting display having improved color shift and visibility  
An optical filter which minimizes color shift, increases brightness and improves visibility and an organic light-emitting display having the same. The optical filter includes a micro pattern film...
8882324 Lighting device, display device and liquid crystal display device  
A lighting device includes a light source 30, a light guide 20 provided adjacent to the light source 30 and including a light source light incident surface 21 on which light emitted by the light...
8882325 Optical sheet and method of manufacturing the same  
An optical sheet includes a light-passing base sheet, a plurality of light-passing first patterns formed on a front major surface of the base sheet, and a plurality of light-passing second...
RE45229 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...
8870431 Light mixing module  
A mixing light module includes a matrix, a fluorescent film, and a plurality of micro-structures. The matrix includes an incidence surface, an emission surface and a reflective surface. The...
8864359 Ultrathin lighting element  
An ultra thin lighting element including at least one light source (1b). A lightguide element (2c) includes one lightguide layer comprising a plurality of discrete fine optic surface relief...
8858025 Lighting device  
Provided is a lighting device, including: a printed circuit board; one or more light emitting units formed on the printed circuit board; a resin layer which is formed on the printed circuit board,...
8858056 Light guide plate and corresponding backlight module  
The present invention relates to a light guide plate and a corresponding backlight module. The light guide plate has a plate body, a light-exiting prism structure and a reflecting prism structure....
8858057 Asymmetric prism structure, light guide plate, backlight module, and application  
The asymmetric prism structure contains multiple asymmetric prisms arranged in parallel where each asymmetric prism has a first slant face, a second slant face, and a bottom face, connected...
8851734 Light guiding film having light extraction features  
A light-guiding article has a film substrate that has at least one patterned surface having a plurality of discrete surface features and an incident edge that is substantially orthogonal to the at...
8848132 Hollow backlight with structured films  
A backlight (120) that includes a front reflector (130) and a back reflector (160) that form a hollow light recycling cavity (162) having an output surface (164) is disclosed. The front reflector...
8845176 Light redirecting films with non-prismatic optical elements  
An optical assembly includes a light emitting panel having a light output surface with non-uniform directional light output distribution, and a light redirecting film located to receive light...
8833997 Light guide bar and optical touch panel having the same  
A light guide bar and an optical touch panel utilizing the light guide bar are provided. The light guide bar is applied to an optical touch panel with a sensing area. The light guide bar includes...
8827530 Light guide plate and backlight assembly having the same  
A light guide plate includes a main body portion and inclined light guide portions having at least one recess. The main body portion has a first light incident surface, a bottom surface that is...
8814411 Flat illumination device  
A flat illumination device is provided, and includes a frame, a light guide plate, and at least one light source. The frame includes an inner wall, wherein the inner wall has a reflective surface....
8807819 Illumination unit and display apparatus using the same  
An illumination unit of the present invention includes a tabular light guide plate having a light emitting surface for emitting light coming from an LED as planar light, wherein a recessed portion...
8794812 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...
8786804 Surface light source device and LCD unit  
A surface light source device having a local dimming function and an LCD unit using the device can include a light guide having a top surface including a plurality of linear convexes and a bottom...
8777474 Optical film and lighting device comprising the same  
An optical film is formed with a plurality of optical patterns having peak and valley portions and a lighting device may include such an optical film. Pitches of the optical patterns, heights of...
8740443 Changing graphics in an apparatus including user interface illumination  
An apparatus includes a light guide. A first light input section receives light in a first direction into said light guide. First direction-dependent outcoupling structures selectively couple out...
8721151 Multi-domain dynamic-driving backlight module  
A multi-domain dynamic-driving backlight module is provided, which includes a bezel, a reflective plate, a plurality of light emitting units, and a plurality of light guide plates. The reflective...
8721153 Backlight reflectors having a prismatic structure  
A back reflector for a lightguide in a turning film backlight includes a prism film layer in direct contact with a reflective layer. The lightguide includes a light guiding region having a...
8692464 Light guiding plate, backlight module and display device  
A light guiding plate and a backlight module and a display device applying the light guiding plate are provided, in which a structure of prisms on a light emergence surface of the light guiding...
8681290 System for improvement of light insertion into a light guide from light-emitting diodes (LEDs)  
The present invention is a display assembly in which a backlight module generates light beams via a light source. The light source provides the light beams to a light guide of the backlight...
8678636 Light guide plate for backlight and manufacturing method therefor  
A light guide plate for a backlight. The light guide plate includes: a light source unit for generating light; a light guide plate proximate to the light source unit and including an upper surface...
8678635 Surface light source device, liquid crystal display device and optical member  
A surface light source device has a light emitting surface and includes a light guide plate having a light exit surface and a pair of light entrance surfaces. When the angular distribution of...
8668371 Light redirecting films having a pattern of dome-shaped optical elements  
Light redirecting film comprises a thin optically transparent substrate having a pattern of individual optical elements formed as projections on a light exit surface of the film. At least some of...
8657479 Light guide illumination devices  
A light-guide illumination device and system comprises a light source, a light redirecting slab and a light guide slab assembly. The light redirecting slab includes a generally planar face having...
8641215 Display device with switchable viewing angle and backlight module thereof  
A display device with switchable viewing includes a backlight module and a display panel. The backlight module includes a light guide plate, first optical structures, a reflector, a first light...
8641259 Luminance enhancement optical substrates with anti-interference-fringe structures  
An optical substrate having a structured light output surface that comprises rows of laterally arranged snaking, wavy or meandering longitudinal prism structures. The prism structures at the light...
8641253 Light guide device and backlight module  
The backlight module comprises a light guide device, pluralities of light sources and at least one optical film. The light guide device further contains body, first microstructures, second...
8638281 Display apparatus including an optical plate and method of manufacturing the same  
A display apparatus including a display panel, a plurality of light sources provided below the display panel to emit light, and an optical plate provided between the display panel and the light...
8616753 Optical sheet and method of manufacturing the same  
An optical sheet includes a light-passing base sheet, a plurality of light-passing first patterns formed on a front major surface of the base sheet, and a plurality of light-passing second...
8585274 Devices and methods for area lighting  
Environmentally sealed optical systems, and methods for sealing them, are disclosed. Such optical systems include area lighting panels and other optical systems. For example, in one exemplary...
8579489 Illuminator allowing a wide luminous intensity distribution  
An illuminator is provided including: a light source unit composed of a point light source; a light guide plate including an incidence surface into which light emitted from the light source unit...
8582056 Liquid crystal display device and lightguide having local-area and wide-area line-shaped protrusions on the lightguide emission face  
A lightguide to be used in a liquid crystal display device includes a light exit surface, a reflection surface opposed to the light exit surface, and a light entrance surface, which is one side...
8580372 Optical film  
The present invention provides an optical film comprising a substrate having a first optical surface and a second surface and a micro structure layer on the first optical surface of the substrate,...
8558966 Liquid crystal display device including back light having improved light concentration efficiency  
A liquid crystal display device capable of preventing a split between a light guide plate and a prism sheet disposed at an upper side thereof and improving concentration efficiency, the device...
Matches 1 - 50 out of 390 1 2 3 4 5 6 7 8 >