Mesomorphic compound, liquid crystal composition, liquid crystal device,
display apparatus and display method
    11.
    发明授权
    Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method 失效
    液晶化合物,液晶组合物,液晶装置,显示装置和显示方法

    公开(公告)号:US5188762A

    公开(公告)日:1993-02-23

    申请号:US702320

    申请日:1991-05-20

    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 two non-neighboring methylene groups which can be replaced with ##STR2## and capable of including fluorine substituted for hydrogen; A denotes --A.sub.1 -- or --A.sub.1 --A.sub.2 -- and B denotes --B.sub.1 -- or --B.sub.1 --B.sub.2 -- wherein A.sub.1, A.sub.2, B.sub.1 and B.sub.2 respectively denote ##STR3## wherein Y.sub.1 and Y.sub.2 respectively denote H, F, Cl, Br, --CH.sub.3, --CN or --CF.sub.3 ; Z.sub.1 and Z.sub.2 respectively denote ##STR4## Z.sub.3 denotes ##STR5## R.sub.2, R.sub.3 and R.sub.4 respectively denote a linear or branched alkyl group having 1-16 carbon atoms including a methylene group which can be replaced with ##STR6## with proviso that it is not adjacent to the silicon atom; p and q are respectively 0 or 1 with proviso that p+q is 0 or 1; and n is an integer of 1-12. 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.

    Mesomorphic compound, liquid crystal composition containing same and
liquid crystal device using same
    12.
    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

    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
    13.
    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

    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 containing same, liquid
crystal device using same display apparatus
    15.
    发明授权
    Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same display apparatus 失效
    介晶化合物,含有它们的液晶组合物,使用其的液晶装置和显示装置

    公开(公告)号:US5284599A

    公开(公告)日:1994-02-08

    申请号:US915888

    申请日:1992-07-20

    摘要: A mesomorphic compound represented by the following formula (I):R.sub.1 --A.sub.1 --B.sub.1 --A.sub.2 --R.sub.2 (I),wherein R.sub.1 and R.sub.2 respectively denote a linear or branched alkyl group having 3-18 carbon atoms capable of including one or non-neighboring two or more methylene groups which can be replaced with at least one species of --Z--, ##STR1## CH.dbd.CH-- and --C.tbd.C--, wherein Z denotes --O-- or --S-- and R.sub.3 denotes hydrogen or an alkyl group having 1-5 carbon atoms; B.sub.1 denotes ##STR2## A.sub.1 denotes a single bond, ##STR3## A.sub.2 denotes a single bond, --A.sub.3 -- or --A.sub.3 --A.sub.4 -- wherein A.sub.3 and A.sub.4 respectively denote any one of ##STR4## and Y.sub.1 and Y.sub.2 respectively denote any one of hydrogen, fluorine, chlorine, bromine, --CH.sub.3, --CN and --CF.sub.3.

    摘要翻译: 由下式(I)表示的介晶化合物:R1-A1-B1-A2-R2(Ⅰ),其中R1和R2分别表示具有3-18个碳原子的直链或支链烷基, (*化学结构*)(*化学结构*)CH = CH-和-C(三键)C-,其中Z表示相同的两个或更多个亚甲基,其可被至少一种-Z-替代, O-或-S-,R 3表示氢或具有1-5个碳原子的烷基; B1表示(*化学结构*)A1表示单键,(*化学结构*)A2表示单键,-A3-或-A3-A4-,其中A3和A4分别表示(*化学结构*)中的任何一个, (*化学结构*)(*化学结构*)(*化学结构*)Ÿ和Y1和Y2分别表示氢,氟,氯,溴,-CH 3,-CN和-CF 3中的任一个。

    Mesomorphic compound and liquid crystal composition containing same for
use in liquid crystal device and display apparatus
    16.
    发明授权
    Mesomorphic compound and liquid crystal composition containing same for use in liquid crystal device and display apparatus 失效
    包含其的液晶化合物和液晶组合物用于液晶显示装置和显示装置

    公开(公告)号:US5244595A

    公开(公告)日:1993-09-14

    申请号:US729740

    申请日:1991-07-15

    IPC分类号: C09K19/34 C09K19/46

    摘要: 1. A mesomorphic compound represented by the following formula 8 I]: ##STR1## wherein R.sub.1 and R.sub.2 respectively denote a straight chain or branch chain allyl group having 1-18 carbon atoms, wherein --CH.sub.2 -- in the alkyl group may be substituted by ##STR2## on condition that hetero atoms are not adjacent each other, R.sup.2 may be hydrogen atom, halogen atom, cyano group and trifluoromethyl group; n is 0 or 1, with the proviso that A.sup.1 denotes a single bond, ##STR3## when n is 0, A.sup.1 denotes a single bond when n is 1; A.sup.2 denotes any one of ##STR4## and X.sup.1, X.sup.2, Z.sup.1 and Z.sup.2 denote independently any one of hydrogen atom, halogen atom, cyano group and trifluoromethyl group, with proviso that X.sup.1, X.sup.2, Z.sup.1 and Z.sup.2 may not be all hydrogen atoms; Y denotes any one of ##STR5## a single bond.

    摘要翻译: 1.由下式8 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烯丙基,其中烷基中的-CH 2 - 可以 在杂原子不相邻的条件下,R2可以是氢原子,卤素原子,氰基和三氟甲基,被 代替; n为0或1,条件是A1表示单键,当n为0时,表示单键,当n为1时,表示单键; A2表示 中的任一个,X 1,X 2,Z 1和Z 2分别独立地表示氢原子,卤素原子,氰基和三氟甲基中的任一个,条件是X1,X2,Z1和Z2可以不全部 氢原子 Y表示单一键中的任何一个。