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    • 108. 发明授权
    • Liquid crystal display device having particular prism sheet
    • 具有特定棱镜片的液晶显示装置
    • US07889289B2
    • 2011-02-15
    • US12084424
    • 2006-10-27
    • Kenji MisonoMitsuhiro MurataShinichi Miyazaki
    • Kenji MisonoMitsuhiro MurataShinichi Miyazaki
    • G02F1/1335
    • G02B5/0278G02B5/0231G02B5/0257G02B6/0051G02B6/0053G02F1/133504
    • In a liquid crystal display device having a light diffuser, a desired luminance distribution is realized and displaying with a high contrast ratio across a broad angle range is performed. A liquid crystal display device according to the present invention includes a liquid crystal display panel for modulating light emitted from a light source, and a light diffuser being disposed at a viewer's side of the liquid crystal display panel. The light diffuser is a prism sheet including a plurality of prisms, each prism having: a first prism section including a first slope slanted at a first angle with respect to the display surface normal direction; and a second prism section including a second slope slanted with respect to the display surface normal direction at a second angle different from the first angle and being disposed at the viewer's side of the first prism section.
    • 在具有光扩散器的液晶显示装置中,实现期望的亮度分布,并且在宽角度范围内以高对比度进行显示。 根据本发明的液晶显示装置包括用于调制从光源发射的光的液晶显示面板和设置在液晶显示面板的观察者侧的光漫射器。 光漫射器是包括多个棱镜的棱镜片,每个棱镜具有:第一棱镜部分,包括相对于显示面法线方向以第一角度倾斜的第一斜面; 以及第二棱镜部分,其包括相对于显示面法线方向以与第一角度不同的第二角度倾斜并设置在第一棱镜部分的观察者侧的第二倾斜度。