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    • 2. 发明申请
    • POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY HAVING THE SAME
    • 偏光板和液晶显示器
    • US20140125924A1
    • 2014-05-08
    • US13857347
    • 2013-04-05
    • SAMSUNG DISPLAY CO., LTD.
    • Min Oh CHOIHee Wook DOKyeongha KIMDuckjong SUHTecksoo KIMSeungbeom PARKSang-Gu LEE
    • G02F1/1335
    • G02F1/133528G02F1/1396G02F2413/02G02F2413/11
    • A liquid crystal display includes a liquid crystal panel, a polarizing plate on a surface of the liquid crystal panel and having a polarizing axis; and a compensation film between the liquid crystal panel and the polarizing plate, and having an optical axis at which light passes through the compensation film. When a surface of the compensation film is referred to as a x-y plane, a plane passing through an x-axis and vertical to the optical axis of the compensation film is referred to as an x-y′ plane. A first retardation value (Ro′) of the compensation film is (nx−ny′)d, and a second retardation value (Rth′) is [(nx+ny′)/2−nz′]d, and the first and second retardation values (Ro′) and (Rth′) satisfy the following Formula of 0.92≦Rth′/Ro′≦4.75, where ‘n’ denotes a refractive index and ‘d’ denotes a thickness of the compensation film in a z-axis direction.
    • 液晶显示器包括液晶面板,在液晶面板的表面上具有偏振轴的偏振片; 以及液晶面板和偏振片之间的补偿膜,并且具有光通过补偿膜的光轴。 当补偿膜的表面被称为x-y平面时,将通过x轴并垂直于补偿膜的光轴的平面称为x-y'平面。 补偿膜的第一延迟值(Ro')为(nx-ny')d,第二延迟值(Rth')为[(nx + ny')/ 2-nz'] d,第 第二延迟值(Ro')和(Rth')满足下式0.92≦̸ Rth'/ Ro'≦̸ 4.75,其中“n”表示折射率,“d”表示补偿膜的厚度 z轴方向。