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    • 5. 发明申请
    • Light guide plate and backlight module
    • 导光板和背光模组
    • US20100277949A1
    • 2010-11-04
    • US12654328
    • 2009-12-17
    • Chao-Hung WengJyh-Ming ChenKuo-Tung Tiao
    • Chao-Hung WengJyh-Ming ChenKuo-Tung Tiao
    • F21V7/04
    • G02B6/0036G02B6/0043
    • A light guide plate adapted to guide a beam emitted from at least one light emitting device and including a light transmissive substrate and a plurality of optical structures is provided. The light transmissive substrate has a light emitting surface, a bottom surface opposite to the light emitting surface, and a light incident surface connecting the light emitting surface and the bottom surface. The beam from the light emitting device enters the light transmissive substrate through the light incident surface and is emitted out. The optical structures are disposed on the bottom surface and each of the optical structures has a first total internal reflection (TIR) surface and a second TIR surface. A part of the beam from the light incident surface is totally internally reflected by the first TIR surface and the second TIR surface in sequence. A backlight module using the light guide plate is also provided.
    • 提供一种适于引导从至少一个发光装置发射的光束并包括透光基板和多个光学结构的导光板。 透光性基板具有发光面,与发光面相反的底面以及连接发光面和底面的光入射面。 来自发光装置的光束通过光入射面进入透光性基板并被射出。 光学结构设置在底表面上,并且每个光学结构具有第一全内反射(TIR)表面和第二TIR表面。 来自光入射表面的光束的一部分由第一TIR表面和第二TIR表面依次内部反射。 还提供了使用导光板的背光模块。