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    • 6. 发明公开
    • Liquid crystal displays
    • Flüssigkristallanzeigen
    • EP0926534A2
    • 1999-06-30
    • EP98310722.8
    • 1998-12-24
    • NIPPON OIL CO. LTD.
    • Yoda, EijiNumao, YosukeToyooka, Takehiro
    • G02F1/1335G02B5/30C09K19/00
    • C09K19/38G02B5/3083G02F1/133632G02F2413/105
    • The invention provides a twisted nematic liquid crystal display with improvements in viewing angle characteristics of display contrast, gray scale characteristics, and nominal color. The twisted nematic liquid crystal display comprises at least one compensation film formed substantially from a liquid crystalline polymer exhibiting optically positive uniaxiality wherein nematic hybrid orientation formed by the liquid crystalline polymer in a liquid crystalline state has been fixed, a driving twisted nematic liquid crystal cell constituted of a pair of transparent substrates equipped with electrodes and nematic liquid crystals sandwiched between the substrates, and two polarizing plates arranged up and down on the liquid crystal cell, wherein the product (Δnd) of the refractive anisotropy (Δn) of the nematic liquid crystals constituting the liquid crystal cell, multiplied by the thickness (d) of the liquid crystal layer in the liquid crystal cell, is in the range of 200 nm to 500 nm, or the driving voltage of the driving twisted nematic liquid crystal cell when indicated in white is set such that the tilt angle of the nematic liquid crystal molecule constituting the liquid crystal cell is in the range of 10 to 30° .
    • 本发明提供了一种扭转向列型液晶显示器,其具有显示对比度,灰度特性和标称颜色的视角特性的改进。 扭转向列型液晶显示器包括至少一个补偿膜,该补偿膜基本上由显示出光学正单轴性的液晶聚合物形成,其中由液晶状态的液晶聚合物形成的向列混合取向已被固定,构成的驱动扭曲向列型液晶单元 配置有夹在基板之间的电极和向列型液晶的一对透明基板和在液晶单元上上下布置的两个偏光板,其中向列型的折射各向异性(DELTA n)的乘积(DELTA nd) 构成液晶单元的液晶乘以液晶单元中的液晶层的厚度(d)在200nm至500nm的范围内,或驱动扭曲向列型液晶单元的驱动电压 白色表示为向列型液晶分子的倾斜角 液晶电池的起伏在10〜30度的范围内。