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    Liquid crystal device
    1.
    发明授权
    Liquid crystal device 失效

    公开(公告)号：US5108650A

    公开(公告)日：1992-04-28

    申请号：US594972

    申请日：1990-10-10

    申请人： Mitsuhiro Koden ,  Makoto Shiomi ,  Fumiaki Funada ,  Keizo Ito

    发明人： Mitsuhiro Koden ,  Makoto Shiomi ,  Fumiaki Funada ,  Keizo Ito

    IPC分类号： G02F1/1337 ,  C09K19/20 ,  C09K19/42 ,  C09K19/46 ,  G02F1/13 ,  G02F1/141 ,  G09G3/36

    CPC分类号： C09K19/46 ,  G09G3/3633 ,  G02F2001/1412 ,  G09G2310/06 ,  G09G2320/0209

    摘要： An antiferroelectric liquid crystal display device including a specific antiferroelectric liquid crystal composition layer comprising at least one compound represented by the following general formula (I): ##STR1## wherein R.sup.1 represents an optionally substituted alkyl or alkoxy group having 1 to 15 carbon atoms, R.sup.2 represents an optionally substituted alkyl group having 1 to 15 carbon atoms, X represents a hydrogen or fluorine atom, m and n independently represents an integer 1 or 2, and * represents an asymmetric carbon atom, and at least one compound represented by the following general formula (II): ##STR2## wherein R.sup.3 represents an optionally substituted alkyl or alkoxy group, having 1 to 15 carbon atoms, R.sup.4 represents an optionally substituted alkyl group, having 1 to 15 carbon atoms, ##STR3## X represents a single bond or --COO--, Y represents a single bond, --O--, or --COO--, and k represents an integer 0 or 1.

    Optically active compound, liquid crystal composition and liquid crystal device comprising same
    3.
    发明授权
    Optically active compound, liquid crystal composition and liquid crystal device comprising same 失效
    光学活性化合物，液晶组合物和包含其的液晶装置

    公开(公告)号：US5264152A

    公开(公告)日：1993-11-23

    申请号：US866117

    申请日：1992-04-07

    申请人： Makoto Shiomi ,  Mitsuhiro Koden ,  Tomoaki Kuratate ,  Fumiaki Funada

    发明人： Makoto Shiomi ,  Mitsuhiro Koden ,  Tomoaki Kuratate ,  Fumiaki Funada

    IPC分类号： C09K19/12 ,  C09K19/20 ,  C09K19/30 ,  C09K19/42 ,  C07C69/74 ,  C07C69/76 ,  C09K19/34

    CPC分类号： C09K19/3003 ,  C09K19/126 ,  C09K19/2028 ,  C09K19/30 ,  C09K19/42

    摘要： An optically active compound represented by the formula (I): ##STR1## wherein R is a straight or branched chain alkyl or alkoxy group having 1 to 15 carbon atoms, ##STR2## is a 1,4-cyclohexylene or 1,4-phenylene group, ##STR3## is a 1,4-phenylene or 3-fluoro-1,4-phenylene group, X is a mono-, di- or tri-fluoromethyl group, W is a straight or branched chain or cyclic alkylene group having 1 to 16 carbon atoms or a straight or branched chain alkenylene group having 2 to 16 carbon atoms, Y is a bond or --COO--, and Z is a straight or branched chain alkyl group having 1 to 8 carbon atoms, a phenyl group or a hydrogen atom, which is useful as a component of ferroelectric liquid crystal compositions or as a device utilizing said composition.

    摘要翻译： 由式（I）表示的光学活性化合物：其中R是具有1至15个碳原子的直链或支链烷基或烷氧基，IMAGE是1,4-亚环己基或1， 4-亚苯基，IMAGE是1,4-亚苯基或3-氟-1,4-亚苯基，X是一，二或三氟甲基，W是直链或支链或环状 具有1至16个碳原子的亚烷基或具有2至16个碳原子的直链或支链亚烯基，Y是键或-COO-，Z是具有1至8个碳原子的直链或支链烷基， 苯基或氢原子，其可用作铁电液晶组合物的组分或用作利用所述组合物的装置。

    Ferroelectric liquid crystal display
    6.
    发明授权
    Ferroelectric liquid crystal display 失效
    铁电液晶显示屏

    公开(公告)号：US5507975A

    公开(公告)日：1996-04-16

    申请号：US266155

    申请日：1994-06-27

    申请人： Mitsuhiro Koden ,  Tomoaki Kuratate ,  Fumiaki Funada ,  Kazuhiko Sakaguchi ,  Yutaka Shiomi ,  Tohru Kitamura

    发明人： Mitsuhiro Koden ,  Tomoaki Kuratate ,  Fumiaki Funada ,  Kazuhiko Sakaguchi ,  Yutaka Shiomi ,  Tohru Kitamura

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

    CPC分类号： C09K19/42 ,  C09K19/46 ,  C09K19/3405

    摘要： A ferroelectric liquid crystal device having a pair of substrates each provided with voltage applying means, an orientation control layer formed on at least one of the substrates, and a layer of ferroelectric liquid crystal composition disposed between the pair of substrates, the ferroelectric liquid crystal composition comprising at least one compound (a) having an optically active group of the formula (I): ##STR1## at least one compound (b) which is reverse to the compound (a) in the direction of a helical pitch induced in a nematic phase and at least one liquid crystal compound (c) exhibiting a smectic C phase, the liquid crystal composition exhibiting at least a smectic C phase, smectic A phase and nematic phase.

    摘要翻译： 一种具有一对基板的铁电液晶装置，每个基板设置有电压施加装置，形成在至少一个基板上的取向控制层以及设置在该对基板之间的铁电液晶组合物层，铁电液晶组合物 包含至少一种具有式（I）的光学活性基团的化合物（a）：（I）至少一种与化合物（a）相反的化合物（b）在螺旋桨诱导的方向上 在向列相和至少一种显示近晶相C的液晶化合物（c）中，该液晶组合物至少表现出近晶C相，近晶A相和向列相。