LIQUID CRYSTALLINE COMPOUND HAVING BENZOTHIOPHENE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT
    1.
    发明公开
    LIQUID CRYSTALLINE COMPOUND HAVING BENZOTHIOPHENE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT 审中-公开
    具有苯并噻吩的液晶化合物,液晶组合物和液晶显示元件

    公开(公告)号:EP3260451A1

    公开(公告)日:2017-12-27

    申请号:EP16752384.4

    申请日:2016-02-10

    Inventor: YANO Tomohiro

    Abstract: Provided is a liquid crystal compound that has high stability to heat, light and so forth, a high clearing point, low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition.
    The compound is represented by formula (1).

    For example, R 1 is alkyl having 1 to 10 carbons, alkoxy having 1 to 9 carbons or alkenyl having 2 to 10 carbons; R 2 is alkyl having 1 to 10 carbons, alkoxy having 1 to 9 carbons or alkenyl having 3 to 10 carbons; ring A 1 is 1,4-cyclohexylene or 1,4-phenylene; ring A 2 is 1,4-cyclohexylene or 1,4-phenylene; Z 1 and Z 2 are a single bond; Z 3 is -O- or a single bond; and L 1 is F, CF 3 or CF 2 H.

    Abstract translation: 本发明提供对热,光等的稳定性高,透明点高,液晶相的下限温度低,粘度小,适当的光学各向异性,负的介电各向异性大,适当的弹性常数,优异的液晶化合物 与其他液晶化合物的相容性,含有该化合物的液晶组合物和包含该组合物的液晶显示装置。 该化合物由式(1)表示。 例如,R 1为碳数1〜10的烷基,碳数1〜9的烷氧基或碳数2〜10的烯基。 R2为碳数1〜10的烷基,碳数1〜9的烷氧基或碳数3〜10的烯基。 环A1是1,4-亚环己基或1,4-亚苯基; 环A 2是1,4-亚环己基或1,4-亚苯基; Z1和Z2是单键; Z3是-O-或单键; 并且L1是F,CF 3或CF 2 H.

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