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    Liquid crystal compound showing negative dielectric anisotropy, liquid crystal composition and liquid crystal display device
    1.
    发明授权
    Liquid crystal compound showing negative dielectric anisotropy, liquid crystal composition and liquid crystal display device 有权
    显示负介电各向异性的液晶化合物，液晶组合物和液晶显示装置

    公开(公告)号：US09102871B2

    公开(公告)日：2015-08-11

    申请号：US13865559

    申请日：2013-04-18

    申请人： JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

    发明人： Mayumi Goto ,  Sayaka Fujimori

    IPC分类号： C09K19/34 ,  C07D407/00 ,  C09K19/54

    CPC分类号： C09K19/54 ,  C09K19/3402

    摘要： To provide a liquid crystal compound having a large negative value of dielectric anisotropy (Δ∈). A compound is represented by formula (1): wherein, in formula (1), one of Y1 and Y2 is fluorine, and the other is CF2H or CF3; G is a ring represented by formula (pr-1) or formula (pr-2): wherein A1 to A3 are independently 1,4-cyclohexylene or 1,4-phenylene; Ra and Rb are independently hydrogen, alkyl having 1 to 20 carbons, or the like; Z0, and Z1 to Z3 are independently a single bond, —(CH2)2—, —CH═CH—, —CF2O—, —OCF2—, —CH2O—, —OCH2—, —COO— or —OCO—; j, m and n are an integer from 0 to 2, and a sum of j, m and n is 0, 1 or 2, however, when m is 0, Y1 is CF2H or CF3, Y2 is fluorine, and Z0 is a single bond, G is a ring represented by formula (pr-1).

    摘要翻译： 提供具有大的介电各向异性负值（＆Dgr;∈）的液晶化合物。 化合物由式（1）表示：其中，在式（1）中，Y1和Y2中的一个为氟，另一个为CF 2 H或CF 3; G是由式（pr-1）或式（pr-2）表示的环：其中A1至A3独立地为1,4-亚环己基或1,4-亚苯基; R a和R b独立地是氢，具有1至20个碳的烷基等; Z 0和Z 1至Z 3独立地为单键， - （CH 2）2 - ， - CH = CH - ， - CF 2 O-，-OCF 2 - ， - CH 2 O - ， - OCH 2 - ， - COO-或-OCO-; j，m和n为0〜2的整数，j，m和n的和为0,1或2，但当m为0时，Y1为CF2H或CF3，Y2为氟，Z0为 单键，G是由式（pr-1）表示的环。

    1,3-dioxane compound having fluorine atom in axial position, liquid crystal composition and liquid crystal display device
    2.
    发明授权
    1,3-dioxane compound having fluorine atom in axial position, liquid crystal composition and liquid crystal display device 有权
    在轴向位置具有氟原子的1,3-二恶烷化合物，液晶组合物和液晶显示装置

    公开(公告)号：US09394272B2

    公开(公告)日：2016-07-19

    申请号：US14742712

    申请日：2015-06-18

    申请人： JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

    发明人： Sayaka Fujimori

    IPC分类号： G02F1/1333 ,  C07D319/06 ,  C09K19/34 ,  C09K19/54 ,  C07D407/04 ,  C07D407/10 ,  C07D407/12 ,  C07D407/06 ,  C09K19/32 ,  C09K19/52

    CPC分类号： C07D319/06 ,  C07D407/04 ,  C07D407/06 ,  C07D407/10 ,  C07D407/12 ,  C09K19/32 ,  C09K19/3402 ,  C09K19/3458 ,  C09K19/52 ,  C09K19/542 ,  C09K2019/3422 ,  C09K2019/3425

    摘要： A liquid-crystal compound satisfying at least one physical property such as a high clearing point, large dielectric anisotropy and excellent compatibility with other liquid-crystal compounds is described; a liquid-crystal composition containing the compound; and a liquid-crystal display device.The compound is represented by formula (1): wherein, R1 and R2 are independently alkyl having 1 to 15 carbons, and in the alkyl, at least one —CH2— may be replaced by —O—, —CH═CH— or the like; ring A1, ring A2 and ring A3 are independently 1,4-cyclohexylene, 1,4-phenylene or the like, and at least one ring A1, ring A2 or ring A3 is represented by formula (A): wherein, X1 and X2 are independently hydrogen or halogen; and Z1, Z2 and Z3 are independently a single bond, —(CH2)2— or the like; and a, b and c are independently 0 or 1, and a sum of a, b and c is 1, 2 or 3.

    摘要翻译： 描述满足至少一种物理性能如高透明点，大介电各向异性和与其它液晶化合物优异相容性的液晶化合物; 含有该化合物的液晶组合物; 和液晶显示装置。 该化合物由式（1）表示：其中，R 1和R 2独立地为具有1至15个碳的烷基，并且在烷基中，至少一个-CH 2 - 可以被-O - ， - CH = CH-或 喜欢; 环A1，环A2和环A3独立地为1,4-亚环己基，1,4-亚苯基等，并且至少一个环A1，环A2或环A3由式（A）表示：其中X1和X2 独立地是氢或卤素; 且Z 1，Z 2和Z 3独立地为单键， - （CH 2）2 - 等; 和a，b和c独立地为0或1，a，b和c之和为1,2或3。