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    • 1. 发明申请
    • Liquid crystal composition and liquid crystal display element
    • 液晶组成和液晶显示元件
    • US20060043334A1
    • 2006-03-02
    • US11209789
    • 2005-08-24
    • Yoshitaka Tomi
    • Yoshitaka Tomi
    • C09K19/30C09K19/12
    • C09K19/42C09K19/20C09K19/3001C09K2019/0407C09K2019/0466C09K2019/3004C09K2019/3019C09K2019/3025Y10T428/10
    • Liquid crystal compositions are provided having a high “higher limit temperature” of a nematic phase, a low “lower limit temperature” of a nematic phase, small viscosity, suitable optical anisotropy, low threshold voltage and large specific resistance. The composition includes at least one compound selected from a group of compounds represented by formula (1) as a first component, at least one compound selected from a group of compounds represented by formula (2) as a second component, at least one compound selected from a group of compounds represented by formula (3) as a third component, and at least one compound selected from a group of compounds represented by formulae (4) and (5) as a fourth component: wherein R1 is alkyl; R2 is alkenyl; R3 is alkyl or alkenyl; A1 and A2 are 1,4-phenylene, for example; Z1, Z2, and Z3 are a single bond, for example; Y1 and Y2 are fluorine, for example.
    • 提供了向列相的“上限温度”高,向列相的“下限温度”低,粘度小,光学各向异性好,阈值电压低,电阻率大的液晶组合物。 该组合物包含至少一种选自由式(1)表示的化合物作为第一组分的化合物,至少一种选自由式(2)表示的化合物作为第二组分的化合物,至少一种选自 由作为第三成分的由式(3)表示的化合物的组和至少一种选自由式(4)和(5)表示的化合物的组中的化合物作为第四组分:其中R 1, SUP>是烷基; R 2是链烯基; R 3是烷基或链烯基; A< 1>和< 2>是例如1,4-亚苯基; Z 1,Z 2,Z 3和Z 3是例如单键; Y 1和Y 2是例如氟。