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    • 2. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US08164697B2
    • 2012-04-24
    • US12006734
    • 2008-01-04
    • Yoshihisa IwamotoHajime Shimizu
    • Yoshihisa IwamotoHajime Shimizu
    • G02F1/1343C09K19/02
    • G02F1/133784G02F1/133723G02F1/1393G02F2202/22
    • A liquid crystal display device includes: a pair of substrates each disposed on each opposing plane and having an electrode of a predetermine shape; a vertical alignment film formed covering each of the electrodes of the pair of substrates and subjected to a rubbing alignment process; an insulating film formed between the electrode and the vertical alignment film in each of the pair of substrates and having necessary insulation; and liquid crystal sandwiched between the pair of substrates and having a negative dielectric anisotropy Δ∈ and a specific resistance ρc1 of 1.0×1014 Ωcm to 1.0×1015 Ωcm, wherein a structure between the electrodes is selected to satisfy conditions of T≦5.2×τc1×1/(1×1012) sec and T≦500 sec, where T is a charge resident time until a display image disappears completely after static electricity of 10 kV is applied between the electrodes of the pair of substrate and the display image is tuned on. It is possible to prevent alignment defects to be caused by static electricity generated by rubbing of a liquid crystal display device.
    • 液晶显示装置包括:一对基板,各自设置在每个相对平面上并具有预定形状的电极; 形成覆盖该对基板的各电极并进行摩擦取向处理的垂直取向膜; 在所述一对基板中的所述电极和所述垂直取向膜之间形成绝缘膜,并具有必要的绝缘性; 夹在一对基板之间并具有负介电各向异性&Dgr;∈,电阻率c1为1.0×1014&OHgr·cm〜1.0×1015&OHgr·cm的液晶,其中选择电极之间的结构以满足 T×NlE的条件; 5.2×τc1×1 /(1×1012)sec,T≦̸ 500秒,其中T是在一对电极之间施加10kV的静电之后,显示图像完全消失之前的电荷驻留时间 衬底和显示图像被调谐。 可以防止由于液晶显示装置的摩擦产生的静电引起的取向缺陷。