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    • 8. 发明授权
    • LED back-light unit and display device
    • LED背光单元和显示设备
    • US08277104B2
    • 2012-10-02
    • US12704357
    • 2010-02-11
    • Chan Sung JeongJung Nam AnMin Ho KimSeung Se KimHoon HurWon Do Kee
    • Chan Sung JeongJung Nam AnMin Ho KimSeung Se KimHoon HurWon Do Kee
    • F21V7/04
    • G02B6/008G02B6/0036G02B6/0046G02B6/0061G02B6/0068G02B6/0073G02B6/0091
    • A back-light unit including a plurality of substrates, a plurality of light sources respectively disposed on the plurality of substrates and configured to emit light, and N (N≧2) light guide plates respectively disposed adjacent to the plurality of light sources, each light guide plate including a light incidence part having a light incidence surface for receiving light emitted in a first direction from a corresponding light source, and a light emission part for emitting the received incident light in a second direction different than the first direction. Further, at least one of the light guide plates includes light-extracting surface patterns disposed on the light emission part, and the light-extracting surface patterns comprise a first region of light-extracting surface patterns having a higher pattern-density than a second region of light-extracting surface patterns next to the first region.
    • 背光单元,包括多个基板,多个光源分别设置在多个基板上并被配置为发光,以及分别设置在多个光源附近的N(N≥2)个导光板,每个 导光板包括具有用于接收从相应的光源沿第一方向发射的光的光入射表面的光入射部分,以及用于沿与第一方向不同的第二方向发射所接收的入射光的发光部分。 此外,至少一个导光板包括设置在发光部分上的光提取表面图案,并且光提取表面图案包括具有比第二区域更高的图案密度的第一区域的光提取表面图案 的光提取表面图案在第一区域旁边。