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    • 51. 发明公开
    • Liquid crystal devices
    • Flüssigkristall-Anzeigevorrichtungen
    • EP0816904A2
    • 1998-01-07
    • EP97304483.7
    • 1997-06-25
    • SHARP KABUSHIKI KAISHA
    • Tillin, Martin DavidTowler, Michael John
    • G02F1/139G02F1/1335
    • G02F1/13473G02F1/13363G02F1/1395G02F1/1396
    • A twisted liquid crystal device comprising a liquid crystal layer (112) and first and second alignment layers (104) disposed in opposite sides of the liquid crystal layer (112). The first and second alignment layers (108,110) having respective alignment directions (126,128) which are mutually inclined. A first linear polariser (114) is disposed on the opposite side of the first alignment layer (108) to the liquid crystal layer (112). Electrodes (104,106) apply a variable voltage across the liquid crystal layer (112) which has a twisted liquid crystal structure and is arranged for operation in surface switching mode with first and second regions (112a,112b) of the liquid crystal layer (112) adjacent the alignment layers (108, 110) being mutually optically de-coupled so as to act, within the liquid crystal layer in use, like a pair of separate, active optical retarders having mutually inclined optic axes and optical retardations which can be varied within a range to cause colour.
    • 一种扭曲液晶装置,包括液晶层(112)和设置在液晶层(112)的相对侧的第一和第二取向层(104)。 具有相互倾斜的各自对准方向(126,128)的第一和第二取向层(108,110)。 第一线性偏振器(114)设置在第一取向层(108)的与液晶层(112)相对的一侧。 电极(104,106)在具有扭曲液晶结构的液晶层(112)上施加可变电压,并配置为以液晶层(112)的第一和第二区域(112a,112b)在表面切换模式下操作, 相邻的对准层(108,110)被相互光学去耦合,以便在使用中在液晶层内作为一对具有相互倾斜的光轴和光学延迟的分离的有源光学延迟器,其可以在 一个范围导致颜色。