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    Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same
    2.
    发明授权
    Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same 失效
    包含相同的液晶化合物，液晶组合物和使用其的液晶体装置

    公开(公告)号：US5076961A

    公开(公告)日：1991-12-31

    申请号：US549125

    申请日：1990-07-06

    申请人： Shinichi Nakamura ,  Takao Takiguchi ,  Takashi Iwaki ,  Takeshi Togano ,  Yoko Yamada ,  Shosei Mori

    发明人： Shinichi Nakamura ,  Takao Takiguchi ,  Takashi Iwaki ,  Takeshi Togano ,  Yoko Yamada ,  Shosei Mori

    IPC分类号： G02F1/13 ,  C07D285/12 ,  C07D417/04 ,  C07D417/14 ,  C09K19/34 ,  C09K19/46

    CPC分类号： C07D417/04 ,  C07D417/14 ,  C09K19/3497

    摘要： A mesomorphic compound represented by the following formula (I): ##STR1## wherein R.sup.1 and R.sup.2 respectively denote a linear or branched alkyl group having 1-18 carbon atoms capable of including one or two or more non-neighboring methylene groups which can be replaced with at least one species of --Z--, ##STR2## --CH.dbd.CH-- and --C.tbd.C--, wherein Z denotes --O-- or --S-- and R.sup.3 denotes hydrogen or an alkyl group having 1-5 carbon atoms; A.sup.1 denotes ##STR3## and A.sup.2 denotes any one of ##STR4## The mesomorphic compound is effective for providing a ferroelectric liquid crystal composition showing an improved low-temperature operation characteristic and a decreased temperature-dependence of response speed.

    摘要翻译： 由下式（I）表示的介晶化合物：其中R 1和R 2分别表示具有1-18个碳原子的直链或支链烷基，可以包含一个或两个或更多个不相邻的亚甲基， 可以用至少一种-Z-， -CH = CH-和-C 3BOND C-代替，其中Z表示-O-或-S-，R3表示氢或具有 1-5个碳原子; A1表示，A2表示 中的任何一种。介晶化合物对提供显示改善的低温操作特性和降低的响应速度的温度依赖性的铁电液晶组合物是有效的。

    Liquid crystal composition and liquid crystal device using same
    3.
    发明授权
    Liquid crystal composition and liquid crystal device using same 失效
    液晶组合物和使用相同的液晶装置

    公开(公告)号：US5075030A

    公开(公告)日：1991-12-24

    申请号：US558488

    申请日：1990-07-27

    申请人： Takeshi Togano ,  Takao Takiguchi ,  Takashi Iwaki ,  Yoko Yamada ,  Shinichi Nakamura ,  Shosei Mori

    发明人： Takeshi Togano ,  Takao Takiguchi ,  Takashi Iwaki ,  Yoko Yamada ,  Shinichi Nakamura ,  Shosei Mori

    IPC分类号： G02F1/13 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  C09K19/52

    CPC分类号： C09K19/42 ,  C09K19/3497 ,  C09K19/46

    摘要： A liquid crystal composition, comprising: at least one compound represented by the following formula (I): ##STR1## wherein R.sub.1 and R.sub.2 respectively denote an optically inactive linear or branched alkyl group having 1-18 carbon atoms capable of including one or non-neighboring two or more methylene groups which can be replaced with at least one species of ##STR2## wherein Z denotes --O-- or --S-- and R.sub.3 denotes hydrogen or an alkyl group having 1-5 carbon atoms; A denotes --A.sub.1 -- or --A.sub.2 --A.sub.3 -- wherein A.sub.1 denotes ##STR3## and A.sub.2 and A.sub.3 respectively denote ##STR4## or --A.sub.1 --; and at least one compound represented by the following formula (II): ##STR5## wherein R.sub.4 denotes a linear or branched alkyl group having 1-18 carbon atoms capable of having a substituent; X.sub.1 denotes a single bond, --O--, ##STR6## X.sub.2 denotes a single bond, --O-- or ##STR7## Z.sub.1 denotes a single bond or ##STR8## A.sub.4 denotes ##STR9## and l is 1-12.

    摘要翻译： 一种液晶组合物，其包含：至少一种由下式（I）表示的化合物：其中R 1和R 2分别表示具有1-18个碳原子的光学惰性的直链或支链烷基，可以包括一个 或不相邻的两个或更多个亚甲基，其可以被至少一种其中Z表示-O-或-S-并且R 3表示氢或具有1-5个碳原子的烷基的至少一种替代。 A表示-A1-或-A2-A3-，其中A1表示 ，A2和A3分别表示或-A1-; 和由下式（II）表示的至少一种化合物：其中R 4表示可具有取代基的具有1-18个碳原子的直链或支链烷基; X1表示单键，-O-，X2表示单键，-O-或 Z1表示单键或 A4表示，l表示1-12。

    Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method
    10.
    发明授权
    Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method 失效

    公开(公告)号：US5217645A

    公开(公告)日：1993-06-08

    申请号：US759442

    申请日：1991-09-13

    申请人： Takashi Iwaki ,  Takao Takiguchi ,  Takeshi Togano ,  Yoko Yamada ,  Shinichi Nakamura

    发明人： Takashi Iwaki ,  Takao Takiguchi ,  Takeshi Togano ,  Yoko Yamada ,  Shinichi Nakamura

    IPC分类号： G02F1/13 ,  C07F7/08 ,  C07F7/10 ,  C09K19/40 ,  C09K19/42

    CPC分类号： C09K19/406 ,  C07F7/0812

    摘要： A mesomorphic compound represented by the following formula (I): ##STR1## wherein R.sub.1 denotes a linear or branched alkyl group having 2-16 carbon atoms capable of including one or non-neighboring two methylene groups which can be replaced with --O--, --S--, --CO--, --COO-- or --OCO-- and capable of including a hydrogen atom which can be replaced with a fluorine atom; A denotes --A.sub.1 -- or --A.sub.1 --A.sub.2 --; B.sub.2 denotes --B.sub.3 -- or --B.sub.3 --B.sub.4 --; A.sub.1, A.sub.2, B.sub.1, B.sub.3 and B.sub.4 independently denote ##STR2## wherein Y.sub.1 and Y.sub.2 independently denote a hydrogen atom, F, Cl, Br, --CH.sub.3, --CN or --CF.sub.3, with the proviso that B.sub.1 can be a single bond; Z.sub.1 and Z.sub.2 independently denote a single bond, --COO--, --OCO--, --CH.sub.2 O-- or --OCH.sub.2 --; Z.sub.3 denotes --O--, --CO--, --COO-- or --OCO--; R.sub.2, R.sub.3 and R.sub.4 independently denote a linear or branched alkyl group having 1--16 carbon atoms capable of including one or two methylene groups, other than those directly connected to Si, which can be replaced with --O--, --COO-- or --OCO-- with the proviso that --O-- cannot directly be connected to --O--; 1 and m independently denote 0 or 1 with the proviso that 1+m.noteq.0; n is an integer of 1-12; and X and Q independently denote CH or N with the proviso that X and Q cannot be N simultaneously. The mesomorphic compound is effective for providing a ferroelectric liquid crystal composition showing an improved low-temperature operation characteristic and a decreased temperature-dependence of response speed.