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    Liquid crystalline compound containing fluorine atom substituted alkyl group(s) and a liquid crystal composition
    52.
    发明授权
    Liquid crystalline compound containing fluorine atom substituted alkyl group(s) and a liquid crystal composition 失效
    含氟原子取代的烷基的液晶化合物和液晶组合物

    公开(公告)号：US5702641A

    公开(公告)日：1997-12-30

    申请号：US576461

    申请日：1995-12-21

    申请人： Yasuhiro Haseba ,  Kazutoshi Miyazawa ,  Shuichi Matsui ,  Tomoyuki Kondo ,  Yasuyuki Goto ,  Etsuo Nakagawa ,  Shinichi Sawada

    发明人： Yasuhiro Haseba ,  Kazutoshi Miyazawa ,  Shuichi Matsui ,  Tomoyuki Kondo ,  Yasuyuki Goto ,  Etsuo Nakagawa ,  Shinichi Sawada

    IPC分类号： C07C22/08 ,  C07C25/18 ,  C07C43/225 ,  C09K19/04 ,  C09K19/30 ,  C09K19/42 ,  C09K19/46 ,  C09K19/52 ,  G02F1/13

    CPC分类号： C07C43/225 ,  C07C22/08 ,  C07C25/18 ,  C09K19/0403 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3028 ,  C09K19/42 ,  C09K19/46 ,  C09K2019/0407 ,  C09K2019/0444

    摘要： A liquid crystalline compound exhibiting a large .DELTA..epsilon. value, an electrical and chemical stability and a superior compatibility with existing liquid crystalline compounds, a liquid crystal composition containing the same, and a liquid crystal display element constructed by using the composition are provided, which liquid crystalline compound is expressed by the formula (I), F--(CH.sub.2)n-E--(CH.sub.2 CH.sub.2).sub.k --G--(CH.sub.2 CH.sub.2).sub.l --L--(CH.sub.2 CH.sub.2).sub.m --Z--Q--Y (I) wherein n is an integer of 1 to 10; k, l and m each independently are an integer of 0 to 2; ring E is 1,4-cyclohexylene group or 1,4-phenylene group, wherein one or more H atoms on each six-membered ring may be replaced by F atom(s); G and L each independently is a covalent bond or 1,4-cyclohexylene group or 1,4-phenylene group, wherein one or more H atoms on each six-membered ring may be replaced by F atom(s); Q is covalent bond or --O--; Y is a fluoroalkyl group of 1 to 3C or F atom; but in the case where ring E is 1,4-cyclohexylene group and at least one of G and L is covalent bond, k+l+m.noteq.0, and in the case where Q is --O--, Y is not F atom.

    摘要翻译： 提供了具有大的DELTAε值，电化学稳定性和与现有液晶化合物的优异相容性的液晶化合物，含有该液晶化合物的液晶组合物和使用该组合物构成的液晶显示元件，该液体 结晶化合物由式（I）表示，F-（CH2）nE-（CH2CH2）kG-（CH2CH2）lL-（CH2CH2）mZQY（I）其中n是1至10的整数; k，l和m各自独立地为0〜2的整数; 环E是1,4-亚环己基或1,4-亚苯基，其中每个六元环上的一个或多个H原子可被F原子取代; G和L各自独立地为共价键或1,4-亚环己基或1,4-亚苯基，其中每个六元环上的一个或多个H原子可被F原子取代; Q是共价键或-O-; Y为1〜3或氟原子的氟代烷基; 但是在环E为1,4-亚环己基并且G和L中的至少一个为共价键的情况下，k + 1 + m为“0”，在Q为-O-的情况下，Y为F原子 。

    Liquid crystalline compound and liquid crystal
    53.
    发明授权
    Liquid crystalline compound and liquid crystal 失效
    液晶化合物和液晶

    公开(公告)号：US5670085A

    公开(公告)日：1997-09-23

    申请号：US588434

    申请日：1996-01-18

    申请人： Kazutoshi Miyazawa ,  Shuichi Matsui ,  Yasuyuki Goto ,  Etsuo Nakagawa ,  Shinichi Sawada

    发明人： Kazutoshi Miyazawa ,  Shuichi Matsui ,  Yasuyuki Goto ,  Etsuo Nakagawa ,  Shinichi Sawada

    IPC分类号： C07C17/16 ,  C07C17/26 ,  C07C22/08 ,  C07C25/18 ,  C07C25/24 ,  C07C43/215 ,  C07C43/225 ,  C09K19/30 ,  C09K19/42 ,  C09K19/52 ,  C07C25/13 ,  G02F1/13

    CPC分类号： C07C17/16 ,  C07C17/2637 ,  C07C22/08 ,  C07C25/18 ,  C07C25/24 ,  C07C43/215 ,  C07C43/225 ,  C09K19/30 ,  C09K19/3098 ,  C09K19/42 ,  C07C2101/14 ,  C07C2101/16 ,  Y10T428/10

    摘要： A liquid crystalline compound expressed by the formula ##STR1## wherein R.sub.1 represents an alkyl group of 1 to 12 carbon atoms, and one or two not adjacent CH.sub.2 group excluding the terminal in this group may be replaced by --CO-- group, --OCO-- group, --COO-- group or --CH.dbd.CH group; X and Z each represents H, F or Cl; Y represents perfluoroalkyl group or perfluoroalkyloxy group of 1 to 4 carbon atoms, and one or two F atoms in this group may be replaced by H; one of A, B and C represents cyclohexene ring and the others thereof are chosen from among covalent bond or cyclohexane group and benzene ring and these rings may be substituted by F or Cl; and l, m and n each are 0 or 1, independently of each other, but when m=0, then l=0. Effectiveness It is possible to provide a liquid crystal composition having a large .DELTA.n, a low viscosity and a high voltage-holding ratio, and exhibiting a nematic liquid crystal phase within a broad temperature range and having a very high .DELTA..epsilon. and a low driving voltage, and preferably used for TFT. Further it is possible to provide a novel liquid crystalline compound preferred as a component for the liquid crystal composition.

    摘要翻译： 由式（1）表示的液晶化合物可以被-CO-基团取代，其中R 1表示1〜12个碳原子的烷基，除了该基团末端以外的一个或两个不相邻的CH2基团， -COO-基，-COO-基或-CH = CH基; X和Z各自表示H，F或Cl; Y表示1〜4个碳原子的全氟烷基或全氟烷氧基，该基团中的一个或两个F原子可以被H代替; A，B和C之一表示环己烯环，其它选自共价键或环己烷基和苯环，这些环可被F或Cl取代; 并且l，m和n各自为0或1，彼此独立，但是当m = 0时，则l = 0。 有效性可以提供具有大的DELTA n，低粘度和高电压保持率的液晶组合物，并且在宽的温度范围内显示向列型液晶相并具有非常高的DELTAε和低驱动 电压，最好用于TFT。 此外，可以提供作为液晶组合物的成分优选的新型液晶化合物。

    Substituted benzene derivative, liquid crystal composition, and liquid crystal display element
    54.
    发明授权
    Substituted benzene derivative, liquid crystal composition, and liquid crystal display element 有权
    取代苯衍生物，液晶组合物和液晶显示元件

    公开(公告)号：US06579577B2

    公开(公告)日：2003-06-17

    申请号：US09917271

    申请日：2001-07-30

    申请人： Tomoyuki Kondo ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Tomoyuki Kondo ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： C09K1912

    CPC分类号： C07C17/12 ,  C07C17/263 ,  C07C17/35 ,  C07C25/18 ,  C07C43/225 ,  C09K19/14 ,  C09K19/20 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K2019/0448 ,  C09K2019/0451 ,  Y10T428/10

    摘要： There is provided a liquid crystalline compound having a high voltage holding ratio which has a very small degree of temperature dependence, a low threshold voltage which has a very small degree of temperature dependence, a high &Dgr;n, and excellent miscibility with other liquid crystal materials at low temperature; a liquid crystal composition; and a liquid crystal display element, and the liquid crystalline compound is a substituted benzene derivative represented by general formula (1), where, R represents a straight chain or branched alkyl group having 1 to 20 carbon atoms in which each of optional and nonadjacent methylene groups (—CH2—) may be substituted by an oxygen atom; X represents a halogen atom, —CF3, —CF2H, —CFH2, —OCF3 or —OCF2H; each of Z1 and Z2 independently represents —(CH2)2—, —(CH2)4—, —CH2O—, —OCH2— or a covalent bond, but Z1 and Z2 are not covalent bonds simultaneously; each of Y1, Y2, Y3, Y4, Y5, and Y6 independently represents H or F, but at least one of Y1, Y2, Y3, and Y4 represents F.

    摘要翻译： 提供了具有非常小的温度依赖性的高电压保持率的液晶化合物，具有非常小的温度依赖性的低阈值电压，高DELTAn和与其它液晶材料的优异的混溶性 低温; 液晶组合物; 和液晶显示元件，液晶化合物是通式（1）表示的取代苯衍生物，其中，R表示碳原子数1〜20的直链或支链烷基，其中任选的和不相邻的亚甲基 基团（-CH 2 - ）可以被氧原子取代; X表示卤素原子，-CF 3，-CF 2 H，-CFH 2，-OCF 3或-OCF 2 H; Z 1和Z 2各自独立地表示 - （CH 2）2 - ， - （CH 2）4 - ， - CH 2 O-，-OCH 2 - 或共价键，但Z 1和Z 2不同时为共价键; Y1，Y2，Y3，Y4，Y5和Y6各自独立地表示H或F，但Y1，Y2，Y3和Y4中的至少一个表示F.

    Cyclohexane derivatives, liquid-crystal composition, and liquid-crystal display element
    58.
    发明授权
    Cyclohexane derivatives, liquid-crystal composition, and liquid-crystal display element 失效
    环己烷衍生物，液晶组合物和液晶显示元件

    公开(公告)号：US06168839A

    公开(公告)日：2001-01-02

    申请号：US09331428

    申请日：1999-06-21

    申请人： Atsuko Fujita ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Atsuko Fujita ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： C09K1930

    CPC分类号： C07C57/26 ,  C09K19/06 ,  C09K19/42 ,  Y10T428/10

    摘要： Novel liquid crystalline compounds which have a wide temperature range of liquid crystal phase, are excellent in miscibility with other liquid crystalline compounds, have a low viscosity, are low in toxicity, and are safe; liquid crystal compositions comprising the liquid crystalline compound; and liquid crystal display devices fabricated by using the composition are provided; and the compounds are cyclohexane derivatives expressed by the general formula (1) wherein R represents an alkylene chain having 2 to 10 carbon atoms in which alkylene chain ethylene group (—CH2CH2—) may be replaced by ethenylene group (—CH═CH—) or methylenoxy group (—OCH2—); and M represents COOH or CN group.

    摘要翻译： 具有液晶相温度范围宽的新型液晶化合物与其它液晶化合物的混溶性优异，粘度低，毒性低，安全; 包含液晶化合物的液晶组合物; 并提供使用该组合物制造的液晶显示装置; 并且所述化合物是由通式（1）表示的环己烷衍生物，其中R表示具有2-10个碳原子的亚烷基链，其中亚烷基链亚乙基（-CH 2 CH 2 - ）可以被亚乙烯基（-CH = CH-）代替） 或亚甲氧基（-OCH 2 - ）; M表示COOH或CN基。