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    Acetylene derivatives, and liquid crystal composition and liquid crystal display device each comprising the same
    5.
    发明授权
    Acetylene derivatives, and liquid crystal composition and liquid crystal display device each comprising the same 有权
    乙炔衍生物，液晶组合物和液晶显示装置

    公开(公告)号：US06168728A

    公开(公告)日：2001-01-02

    申请号：US09380875

    申请日：1999-09-10

    申请人： Kazutoshi Miyazawa ,  Kouji Koga ,  Shuichi Matsui ,  Norihisa Hachiya ,  Etsuo Nakagawa

    发明人： Kazutoshi Miyazawa ,  Kouji Koga ,  Shuichi Matsui ,  Norihisa Hachiya ,  Etsuo Nakagawa

    IPC分类号： C09K1906

    CPC分类号： C07C25/24 ,  C09K19/18 ,  C09K2019/186

    摘要： The present invention provides new liquid crystalline compounds having a high optical anisotropy value and excellent compatibility with the other liquid crystals, and liquid crystal composition comprising the compounds. The liquid crystalline compounds are represented by the general formula (1): wherein H1, H2, H3, H4, H5, H6, H7, H8, H9, H10, H11 and H12, each independently, represent H, F or Cl, at least one of H1, H2, H3, H4, H9, H10, H11 and H12 is F or Cl, R1 represents an alkyl group of C1-20, in which methylene groups may be replaced by —O—, —S—, —Si—, —CH═CH— or —C≡C—, any hydrogen atoms may be replaced by a halogen atom, and Y1 is replaced by R1, F, Cl, Br, I or a cyano group.

    摘要翻译： 本发明提供了具有高光学各向异性值和与其它液晶的相容性优异的新型液晶化合物和包含该化合物的液晶组合物。液晶化合物由通式（1）表示：其中H1，H2， H3，H4，H5，H6，H7，H8，H9，H10，H11和H12各自独立地表示H，F或Cl，H1，H2，H3，H4，H9，H10，H11和H12中的至少一个为 F或Cl，R1表示C1-20的烷基，其中亚甲基可以被-O - ， - S - ， - Si-， - CH = CH-或-C = C-代替，任何氢原子 被卤素原子代替，Y1被R1，F，Cl，Br，I或氰基代替。

    Alkenylcyclohexane derivatives, liquid crystal composition and liquid crystal display element
    6.
    发明授权
    Alkenylcyclohexane derivatives, liquid crystal composition and liquid crystal display element 失效
    烯基环己烷衍生物，液晶组合物和液晶显示元件

    公开(公告)号：US5776367A

    公开(公告)日：1998-07-07

    申请号：US666832

    申请日：1996-06-19

    申请人： Shuichi Matsui ,  Yasuyuki Koizumi ,  Takashi Kato ,  Kazutoshi Miyazawa ,  Norihisa Hachiya ,  Etsuo Nakagawa

    发明人： Shuichi Matsui ,  Yasuyuki Koizumi ,  Takashi Kato ,  Kazutoshi Miyazawa ,  Norihisa Hachiya ,  Etsuo Nakagawa

    IPC分类号： C07C13/28 ,  C07C255/50 ,  C07C255/55 ,  C09K19/30 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C07C19/08 ,  C09K19/52

    CPC分类号： C09K19/46 ,  C07C13/28 ,  C07C255/50 ,  C07C255/55 ,  C09K19/3001 ,  C09K19/3028 ,  C09K19/3048 ,  C09K19/42 ,  C09K19/44 ,  C07C2101/14 ,  C09K2019/0448 ,  C09K2019/0451

    摘要： A novel liquid crystalline compound having a low viscosity and a high elastic constant ratio and at the same time, a superior compatibility with other known liquid crystalline compounds, and a liquid crystal composition and a liquid crystal display element containing the novel compound, are provided. The compound is an alkenylcyclohexane derivative expressed by the formula (1): ##STR1## wherein R.sup.1 and R.sup.2 represent a linear or branched alkyl group of 1 to 15 carbon atoms or alkenyl group of 2 to 15 carbon atoms; at least one of R.sup.1 and R.sup.2 represents an alkenyl group; in these groups, one or more non-adjacent CH.sub.2 groups may be replaced by oxygen atom, sulfur atom or --C.tbd.C-- group; ring A.sup.1, ring A.sup.2 and ring A.sup.3 each independently represent 1,4-cyclohexylene group wherein one or more CH.sub.2 groups on the ring may be replaced by oxygen atom or sulfur atom, or 1,4-phenylene group wherein one or more CH groups on the ring may be replaced by nitrogen atom; Z.sup.1 and Z.sup.2 each independently represent --CH.sub.2 CH.sub.2 --, --CH.sub.2 O--, --OCH.sub.2 --, --CH.dbd.CH--, --C.tbd.C-- or single bond; Z.sup.3 represents --(CH.sub.2).sub.4 --, --CH.dbd.CH--(CH.sub.2).sub.2 --, --CH.sub.2 --CH.dbd.CH--CH.sub.2 -- or --(CH.sub.2).sub.2 --CH.dbd.CH--; and m, n and i each independently represent 0 or 1.

    摘要翻译： 提供了具有低粘度和高弹性常数比的新型液晶化合物，同时与其它已知的液晶化合物具有优异的相容性，以及液晶组合物和含有该新化合物的液晶显示元件。 化合物是由式（1）表示的烯基环己烷衍生物：其中R1和R2表示碳原子数为1〜15的直链或支链烷基或碳原子数2〜15的烯基; R 1和R 2中的至少一个表示烯基; 在这些基团中，一个或多个不相邻的CH 2基团可以被氧原子，硫原子或-C 3 D C基团取代; 环A1，环A2和环A3各自独立地表示1,4-亚环己基，其中环上的一个或多个CH 2基团可以被氧原子或硫原子替代，或1,4-亚苯基，其中一个或多个CH基团在 该环可以被氮原子取代; Z 1和Z 2各自独立地表示-CH 2 CH 2 - ， - CH 2 O - ， - OCH 2 - ， - CH = CH - ， - C 3BOND C-或单键; Z 3表示 - （CH 2）4 - ， - CH = CH-（CH 2）2 - ， - CH 2 -CH = CH-CH 2 - 或 - （CH 2）2 -CH = CH-; m，n和i各自独立地表示0或1。

    Liquid crystal compounds having substituted alkyl groups, liquid crystal composition and liquid crystal display element
    8.
    发明授权
    Liquid crystal compounds having substituted alkyl groups, liquid crystal composition and liquid crystal display element 失效
    具有取代烷基的液晶化合物，液晶组合物和液晶显示元件

    公开(公告)号：US06174456B1

    公开(公告)日：2001-01-16

    申请号：US08981145

    申请日：1997-12-08

    申请人： Tomoyuki Kondo ,  Kouichi Shibata ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Norihisa Hachiya ,  Etsuo Nakagawa

    发明人： Tomoyuki Kondo ,  Kouichi Shibata ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Norihisa Hachiya ,  Etsuo Nakagawa

    IPC分类号： C09K1930

    CPC分类号： C07C43/1742 ,  C07C17/16 ,  C07C22/04 ,  C07C22/08 ,  C07C25/18 ,  C07C25/24 ,  C09K19/04 ,  C09K19/30 ,  C09K19/3001 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K2019/0448 ,  C09K2019/0451

    摘要： The present invention provides liquid crystalline compounds having compatibility with the other liquid crystal materials and excellent stability, and having low viscosity and high transition temperature of the isotropic phase, liquid crystal compositions containing at least one kind of the liquid crystalline compounds, and liquid crystal display devices constituted by using the liquid crystal compositions. The liquid crystalline compounds are represented by the following formula: R—A1—Z1—A2—Z2—A3—Z3—A4—(CH2)m.X  (1) wherein R indicates H or an alkyl group having 1 to 10 carbon atoms (one or more methylene group (—CH2—) in the alkyl group may be replaced by —O—, —S—, —CO—, —CH═CH— or —C≡C—, but —O— or —S— are not continuous), m indicates an integer of 1 to 10; X indicates F, Cl, Br, I or OH; A1, A2, A3 and A4, each independently, indicate a trans-1,4-cyclohexylene group, a 1,4-phenylene group in which one or more hydrogen atoms on the ring may be substituted by a fluorine atom, a cyclohexenylenediyl group, a pyrimidine-2,5-diyl group, a pyridine-2,5-diyl group or a 1,3-dioxane-2,5-diyl group; Z1, Z2 and Z3, each independently, indicate —(CH2)2— or a covalent bond, and at least two of Z1, Z2 and Z3 indicate covalent bonds.

    摘要翻译： 本发明提供了与其它液晶材料相容的液晶化合物，稳定性优异，各向同性相具有低粘度和高转变温度，含有至少一种液晶化合物的液晶组合物和液晶显示器 通过使用液晶组合物构成的装置。 液晶化合物由下式表示：其中R表示H或具有1〜10个碳原子的烷基（烷基中的一个或多个亚甲基（-CH 2 - ）可以被-O - ， - S - ， - CO - ， - CH = CH-或-C = C-，但-O-或-S-不连续），m表示1至10的整数; X表示F，Cl，Br，I或OH; A1，A2，A3和A4各自独立地表示反式-1,4-亚环己基，其中一个或多个氢原子可以被氟原子取代的1,4-亚苯基，环己烯二基 ，嘧啶-2,5-二基，吡啶-2,5-二基或1,3-二恶烷-2,5-二基; Z1，Z2和Z3各自独立地表示 - （CH2）2-或共价键，并且Z1，Z2和Z3中的至少两个表示共价键。

    Liquid crystal compound having fluorine-substituted 1,4-phenylene moiety, liquid crystal composition and liquid crystal display element
    9.
    发明授权
    Liquid crystal compound having fluorine-substituted 1,4-phenylene moiety, liquid crystal composition and liquid crystal display element 失效
    具有氟取代的1,4-亚苯基部分的液晶化合物，液晶组合物和液晶显示元件

    公开(公告)号：US6117361A

    公开(公告)日：2000-09-12

    申请号：US144082

    申请日：1998-08-31

    申请人： Koichi Shibata ,  Tomoyuki Kondo ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Norihisa Hachiya ,  Etsuo Nakagawa

    发明人： Koichi Shibata ,  Tomoyuki Kondo ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Norihisa Hachiya ,  Etsuo Nakagawa

    IPC分类号： C09K19/30 ,  C09K19/46 ,  C09K19/50 ,  C07C25/00 ,  C09K19/12

    CPC分类号： C09K19/46 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3028 ,  C09K19/50 ,  C09K2019/0444

    摘要： A compound represented by the following general formula (1) is provided. This has broader temperature range of nematic phase, lower viscosity and higher miscibility with other liquid crystal compounds at low temperature than those of conventional liquid crystal compounds, and the compounds have high chemical stability. ##STR1## wherein H.sub.1 to H.sub.8 represent independently a hydrogen atom or a halogen atom, provided that at least one of them is a halogen atom; R.sub.1 represents a moiety which is an alkyl group having 2 to 20 carbon atoms provided that one or more methylene groups (--CH.sub.2 --) which are not successive in the alkyl group are replaced with an oxygen atom (--O--) in the form of ether; Y.sub.1 represents an alkyl group having 1 to 20 carbon atoms, and one or more methylene groups in Y.sub.1 independently may be replaced with an oxygen atom, a sulfur atom, a dihydroxysilyl group, a dimethylsililene group, --CH.dbd.CH-- or --C.tbd.C--; X.sub.1 to X.sub.3 represent independently a covalent bond, a 1,2-ethylene group or a 1,4-butylene group.

    摘要翻译： 提供由以下通式（1）表示的化合物。 与常规液晶化合物相比，这种具有较高的向列相温度范围，较低的粘度和较低的其它液晶化合物的混溶性，并且该化合物具有高的化学稳定性。 其中H1至H8独立地表示氢原子或卤素原子，条件是它们中的至少一个是卤素原子; R1表示一个具有2-20个碳原子的烷基的部分，条件是烷基中不连续的一个或多个亚甲基（-CH 2 - ）被氧原子（-O-）取代为 醚; Y1表示碳原子数1〜20的烷基，Y1中的一个以上的亚甲基可以被氧原子，硫原子，二羟基甲硅烷基，二甲基硅烷基，-CH = CH-或-C C-; X1至X3独立地表示共价键，1,2-亚乙基或1,4-亚丁基。