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    • 6. 发明授权
    • Bistable liquid crystal device
    • 双稳态液晶装置
    • US07557884B2
    • 2009-07-07
    • US10572086
    • 2004-10-18
    • Hoi-Sing KwokXing Jie Yu
    • Hoi-Sing KwokXing Jie Yu
    • G02F1/1337G02F1/141
    • G02F1/1337G02F1/134363G02F1/1391G02F1/1392G02F1/1396G02F1/1397G02F2001/133746
    • This invention provides a bistable liquid crystal device. The bistable liquid crystal device includes a first substrate having thereon a first conductive layer and a first alignment layer; a second substrate having thereon a second conductive layer and a second alignment layer; and a liquid crystal layer sandwiched between the first and second alignment layers. The first alignment layer induces a first pretilt angle θ1 in the range of 20°-65° between the liquid crystal layer in contact with the first alignment layer. The second alignment layer induces a second pretilt angle θ2 in the range of 20°-65° between the liquid crystal layer in contact with the second alignment layer. The liquid crystal layer is capable of maintaining a stable bend state or a stable splay state at zero bias voltage and is switchable between the stable bend state and the stable splay state when a switching energy is applied in operation to the liquid crystal layer.
    • 本发明提供一种双稳态液晶装置。 双稳态液晶装置包括其上具有第一导电层和第一取向层的第一基板; 第二基板,其上具有第二导电层和第二取向层; 夹在第一和第二取向层之间的液晶层。 第一取向层在与第一取向层接触的液晶层之间引发在20°-65°范围内的第一预倾角θ1。 第二取向层在与第二取向层接触的液晶层之间引起在20°-65°范围内的第二预倾角θ2。 液晶层能够在零偏压下保持稳定的弯曲状态或稳定的喷射状态,并且当在液晶层中施加开关能量时,可在稳定的弯曲状态和稳定的喷射状态之间切换。