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    • 3. 发明授权
    • Chiral smectic liquid crystal apparatus and driving method therefor
    • 手性近晶液晶装置及其驱动方法
    • US5933128A
    • 1999-08-03
    • US648996
    • 1996-05-17
    • Masaki KuribayashiOsamu IkedaKazunori KatakuraHironao KimuraHidetoshi Tsuzuki
    • Masaki KuribayashiOsamu IkedaKazunori KatakuraHironao KimuraHidetoshi Tsuzuki
    • G09G3/36
    • G09G3/3629G09G2310/06G09G2310/061G09G2320/02G09G3/3614
    • A liquid crystal apparatus includes (a) a liquid crystal panel including: a pair of substrates having thereon a group of scanning electrodes and a group of data electrodes, respectively, and provided with mutually different alignment characteristics, and a chiral smectic liquid crystal disposed between the substrates so as to form a pixel at each intersection of the scanning electrodes and the data electrodes, and (b) drive means for: sequentially applying a scanning selection signal to the scanning electrodes to select at least one scanning electrode, and applying a data signal having at least three peak values to the data electrodes in synchronism with the scanning selection signal. A DC bias voltage may be applied between the scanning electrodes and the data electrodes, and the polarity of the DC voltage may be switched for each prescribed period. The above system is suitable for obviating or suppressing the "sticking" phenomenon of a chiral smectic liquid crystal.
    • 液晶装置包括:(a)液晶面板,包括:分别具有一组扫描电极和一组数据电极的一对基板,并且具有相互不同的取向特性,并且手性近晶液晶设置在 基板,以便在扫描电极和数据电极的每个交叉点处形成像素,以及(b)驱动装置,用于:顺序地向扫描电极施加扫描选择信号以选择至少一个扫描电极,并施加数据 信号与扫描选择信号同步至数据电极具有至少三个峰值。 可以在扫描电极和数据电极之间施加DC偏置电压,并且可以在每个规定的周期内切换直流电压的极性。 上述系统适用于消除或抑制手性近晶液晶的“粘附”现象。