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Browse by Category: Main > Optical & Optics
Class Information
Number: 362/620
Name: Illumination > Edge lighted panel > Light guide > Emission face > Type of surface > Prism
Description: Subject matter indented wherein the exterior or upper boundary of the emission face has been modified for an optical purpose with the shape of pyramid or triangle.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8692464 Light guiding plate, backlight module and display device Apr. 8, 2014
8678635 Surface light source device, liquid crystal display device and optical member Mar. 25, 2014
8678636 Light guide plate for backlight and manufacturing method therefor Mar. 25, 2014
8681290 System for improvement of light insertion into a light guide from light-emitting diodes (LEDs) Mar. 25, 2014
8668371 Light redirecting films having a pattern of dome-shaped optical elements Mar. 11, 2014
8657479 Light guide illumination devices Feb. 25, 2014
8641215 Display device with switchable viewing angle and backlight module thereof Feb. 4, 2014
8641253 Light guide device and backlight module Feb. 4, 2014
8641259 Luminance enhancement optical substrates with anti-interference-fringe structures Feb. 4, 2014
8638281 Display apparatus including an optical plate and method of manufacturing the same Jan. 28, 2014
8616753 Optical sheet and method of manufacturing the same Dec. 31, 2013
8585274 Devices and methods for area lighting Nov. 19, 2013
8579489 Illuminator allowing a wide luminous intensity distribution Nov. 12, 2013
8580372 Optical film Nov. 12, 2013
8582056 Liquid crystal display device and lightguide having local-area and wide-area line-shaped protrusions on the lightguide emission face Nov. 12, 2013
8558966 Liquid crystal display device including back light having improved light concentration efficiency Oct. 15, 2013
8558969 Prism sheet with curved surface and liquid crystal display device using same Oct. 15, 2013
8558970 Display unit Oct. 15, 2013
8545084 Light guides and backlight systems incorporating light redirectors at varying densities Oct. 1, 2013
8534902 Light guide plate with overlapping diffusion net points, and illumination apparatus using such plate Sep. 17, 2013
8529077 Illuminator using a combination of pseudo-white LED and lens sheet Sep. 10, 2013
8529116 Light guide plate and light source module Sep. 10, 2013
8523405 Two-color mixing LED illuminating device Sep. 3, 2013
8496368 Light guide plate and backlight module Jul. 30, 2013
8475029 Backlight module and liquid crystal device using the same Jul. 2, 2013
8477263 Liquid crystal display device Jul. 2, 2013
8469573 Light guide plate and back light module having the same Jun. 25, 2013
8469578 Optical element having at least one embedded reflector Jun. 25, 2013
8469579 Optical plate with micro-structures and backlight module using same Jun. 25, 2013
8449151 Light control film, backlight device using the same, and method for manufacturing mold for forming uneven pattern May. 28, 2013
8436960 Prism sheet and liquid crystal display May. 7, 2013
8430519 Lighting device, display device and television receiver Apr. 30, 2013
8430548 Enhanced light fixture with volumetric light scattering Apr. 30, 2013
8425103 Backlight module having a light guide plate with prismatic structures and manufacturing method thereof Apr. 23, 2013
8425104 Backlight assembly and display apparatus having the same Apr. 23, 2013
8400579 Liquid crystal display and backlight module with tilting reflective surface Mar. 19, 2013
RE44063 Light source device, display device, and terminal device Mar. 12, 2013
8376601 Backlight unit and display unit Feb. 19, 2013
8367186 Luminance enhancement optical substrates with optical defect masking structures Feb. 5, 2013
8366287 Optical sheet and backlight unit using the same Feb. 5, 2013
8360623 Side-illuminating light guide device for a vehicle Jan. 29, 2013
8353617 Backlight Jan. 15, 2013
8348490 Planar light source device and method of manufacturing divided prism mold Jan. 8, 2013
8337066 Backlight module Dec. 25, 2012
8334944 Display apparatus and method of manufacturing optical sheet for the same Dec. 18, 2012
8328407 Light guide plate, display apparatus having the same, and method of manufacturing the same Dec. 11, 2012
8322905 Edgelit panel with curvilinear light extracting deformities Dec. 4, 2012
8317384 Light guide film with cut lines, and optical keypad using such film Nov. 27, 2012
8313226 Display including waveguide, micro-prisms and micro-shutters Nov. 20, 2012
8308337 Light guide plate, backlight module and liquid crystal display Nov. 13, 2012

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