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    • 5. 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。
    • 10. 发明授权
    • Liquid crystal display device and its manufacture method
    • 液晶显示装置及其制造方法
    • US08179509B2
    • 2012-05-15
    • US12006733
    • 2008-01-04
    • Yoshihisa IwamotoHajime Shimizu
    • Yoshihisa IwamotoHajime Shimizu
    • G02F1/1337
    • G02F1/1393G02F1/133784G02F1/134327
    • A liquid crystal display device using a low duty ratio driving method with a duty ratio not smaller than 1/16 is manufactured in the following manner. A first substrate is prepared having a first electrode of a predetermined shape. A second substrate is prepared having a second electrode of a shape different from said predetermined shape, the second electrode having signal line electrodes smaller in number than those of the first electrode. An insulating film having necessary insulation is formed on each of the first and second electrodes. First and second vertical alignment films are formed above the first and second substrates, respectively, the first and second vertical alignment films covering the first and second electrodes, respectively. A rubbing process is executed only for the second vertical alignment film. The first and second substrates are disposed facing each other, and liquid crystal having a negative dielectric constant anisotropy is disposed between the first and second substrates. It is possible to prevent alignment defects to be caused by static electricity generated by rubbing of a liquid crystal display device.
    • 以下列方式制造使用占空比不小于1/16的低占空比驱动方法的液晶显示装置。 制备具有预定形状的第一电极的第一衬底。 制备具有不同于所述预定形状的形状的第二电极的第二衬底,所述第二电极具有数量小于所述第一电极的信号线电极。 在第一和第二电极的每一个上形成具有必要绝缘的绝缘膜。 第一和第二垂直取向膜分别形成在第一和第二基板上方,第一和第二垂直取向膜分别覆盖第一和第二电极。 仅对第二垂直取向膜执行摩擦处理。 第一和第二基板彼此面对地设置,并且具有负的介电常数各向异性的液晶设置在第一和第二基板之间。 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。