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    Pyrimidine derivative, liquid crystal composition comprising the derivative, and liquid crystal display device fabricated by using the composition
    12.
    发明授权
    Pyrimidine derivative, liquid crystal composition comprising the derivative, and liquid crystal display device fabricated by using the composition 有权
    嘧啶衍生物，包含该衍生物的液晶组合物和使用该组合物制造的液晶显示装置

    公开(公告)号：US06326065B1

    公开(公告)日：2001-12-04

    申请号：US09203671

    申请日：1998-12-01

    申请人： Yasuhiro Haseba ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yoshitaka Tomi ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Yasuhiro Haseba ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yoshitaka Tomi ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： C09K1930

    摘要： Liquid crystalline compounds having a comparatively high voltage holding ratio, high &Dgr;n and high &Dgr;&egr;, and excellent miscibility with known liquid crystalline compounds at low temperatures. The novel compounds have the formula (1) wherein R represents hydrogen atom or an alkyl group having 1 to 20 carbon atoms; n1 and n2 are independently 0, 1, or 2 provided that the sum of n1 and n2 is 1 or 2; ring A and ring B independently represent 1,4-phenylene, fluorine substituted 1,4-phenylene expressed by the formula (a) in the specification or 1,4-cyclohexylene provided that at least one of ring A and ring B is fluorine substituted 1,4-phenylene expressed by the formula (a); Za, Zb, and Zc independently represent single bond, —CH2CH2—, —COO—, —CF2O—, or —CH2CH2CH2CH2—; Q1, Q2, Q3, Q4, Q5, Q6, and Q7 independently represent hydrogen atom, a halogen atom, or methyl group provided that when at least one of Za, Zb, and Zc is —CH2CH2—, then Q2 is fluorine atom, and that when Za, Zb, and Zc are all single bonds, then Q1, Q2, Q3, Q4, Q5, Q6, and Q7 independently represent hydrogen atom or fluorine atom; Y represents hydrogen atom, a halogen atom, or a halogenated alkyl group having 1 to 5 carbon atoms; and each atom constituting this compound may be replaced by its isotope.

    摘要翻译： 具有比较高的电压保持率，高DELTAn和高DELTAepsi的液晶化合物，以及在低温下与已知液晶化合物的优异的混溶性。 新化合物具有式（1）其中R表示氢原子或具有1至20个碳原子的烷基; n1和n2独立地为0,1或2，条件是n1和n2的和为1或2; 环A和环B独立地表示说明书中所示的1,4-亚苯基，由式（a）表示的氟取代的1,4-亚苯基或1,4-亚环己基，条件是环A和环B中的至少一个为氟取代的 由式（a）表示的1,4-亚苯基; Za，Zb和Zc独立地表示单键，-CH2CH2-，-COO-，-CF2O-或-CH2CH2CH2CH2-; Q1，Q2，Q3，Q4，Q5，Q6和Q7独立地表示氢原子，卤素原子或甲基，条件是当Za，Zb和Zc中的至少一个是-CH 2 CH 2 - 时，则Q2是氟原子， 当Za，Zb和Zc都是单键时，Q1，Q2，Q3，Q4，Q5，Q6和Q7独立地表示氢原子或氟原子; Y表示氢原子，卤素原子或碳原子数1〜5的卤代烷基; 并且构成该化合物的每个原子可以被其同位素代替。

    Fluoroalkylated liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal display elements
    13.
    发明授权
    Fluoroalkylated liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal display elements 有权
    氟烷基化液晶化合物，液晶组合物和液晶显示元件

    公开(公告)号：US06254941B1

    公开(公告)日：2001-07-03

    申请号：US09269286

    申请日：1999-03-25

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

    发明人： Tomoyuki Kondou ,  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 ,  C07C17/2635 ,  C07C17/361 ,  C07C25/18 ,  C07C43/174 ,  C07C43/225 ,  C09K19/12 ,  C09K19/14 ,  C09K19/20 ,  C09K2019/124 ,  Y10T428/10 ,  C07C25/13

    摘要： The present invention provides liquid crystalline compounds having a very high voltage holding ratio, very little variation of these properties depending on temperature, high &Dgr;n, and good compatibility in the other liquid crystal materials particularly under a low temperature, liquid crystal compositions containing these crystalline compounds, and liquid crystal display devices constituted by using the liquid crystal compositions. The liquid crystalline compounds are represented by general formula (1): wherein R represents an alkyl, alkoxy or alkoxyalkyl group of 2-20 carbon atoms, and in each group, any 1-3 hydrogen atoms may be replaced by fluorine atoms; X shows an halogen atom or an alkyl group of 1-20 carbon atoms, any methylene groups (—CH2—) not adjacent each other in the alkyl group may be replaced by oxygen atoms, and any one or more hydrogen atoms in the alkyl group may be replaced by fluorine atoms; Z1, Z2 and Z3, each independently, represents —(CH2)2—, —(CH2)4—, —CH2O—, —OCH2—, —(CH2)3O—, —O(CH2)3— or a covalent bond; Y1-Y16 each independently represent hydrogen atoms or fluorine atoms, but at least two represent fluorine atoms; m represents 0 or 1, and any atom constituting the compound may be replaced by an isotope thereof.

    摘要翻译： 本发明提供了具有非常高的电压保持率的液晶化合物，这些性质随温度变化很小，DELTAn高，在其它液晶材料中特别是在低温下具有良好的相容性，含有这些结晶化合物的液晶组合物 ，以及使用液晶组合物构成的液晶显示装置。 液晶化合物由通式（1）表示：其中R表示2-20个碳原子的烷基，烷氧基或烷氧基烷基，并且在每一组中，任何1-3个氢原子可被氟原子取代; X表示卤素原子或1-20个碳原子的烷基，烷基中不相邻的任何亚甲基（-CH 2 - ）可以被氧原子取代，并且烷基中的任何一个或多个氢原子 可以被氟原子取代; Z 2，Z 2和Z 3各自独立地表示 - （CH 2）2 - ， - （CH 2）4 - ， - CH 2 O - ， - OCH 2 - ， - （CH 2）3 O-，-O ; Y1-Y16各自独立地表示氢原子或氟原子，但至少两个表示氟原子; m表示0或1，构成化合物的任何原子可以被其同位素代替。

    Polyhaloalkyl ether derivatives as well as liquid crystal compositions and liquid crystal display elements containing them
    15.
    发明授权
    Polyhaloalkyl ether derivatives as well as liquid crystal compositions and liquid crystal display elements containing them 有权
    多卤烷基醚衍生物以及含有它们的液晶组合物和液晶显示元件

    公开(公告)号：US06187223B1

    公开(公告)日：2001-02-13

    申请号：US09335783

    申请日：1999-06-18

    申请人： Tugumiti Andou ,  Koichi Shibata ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasusuke Hisatsune ,  Fusayuki Takeshita ,  Etsuo Nakagawa ,  Katsuhiko Kobayashi ,  Yoshitaka Tomi

    发明人： Tugumiti Andou ,  Koichi Shibata ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasusuke Hisatsune ,  Fusayuki Takeshita ,  Etsuo Nakagawa ,  Katsuhiko Kobayashi ,  Yoshitaka Tomi

    IPC分类号： C09K1930

    CPC分类号： C09K19/04 ,  C07C43/225 ,  C07C69/017 ,  C07C69/753 ,  C07C69/76 ,  C07C2601/14 ,  C09K19/30 ,  C09K19/3001 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/3098 ,  C09K19/46 ,  Y10T428/10

    摘要： A compound expressed by the general formula (1): wherein R1 denotes an alkyl group having from 1 to 20 carbon atoms in which one or more methylene groups in said group may be replaced by oxygen atoms or —CH═CH— and one or more hydrogen atoms in said group may be replaced by flourine or chlorine atoms, with the proviso that two or more methylene groups may not be continuously replaced by oxygen atoms, Y1 denotes an alkoxy group having 1 to 5 carbon atoms, in which at least one hydrogen atom is replaced by a fluorine atom and one or more hydrogen atoms may be further replaced by chlorine atoms, Z1, Z2 and Z3 each independently denote a covalent bond, —CH2CH2—, —CH═CH—, —COO— or —CF2)—, with the proviso that at least one of Z1, Z2 and Z3 is —COO— or —CF2O—, rings A1, A2, A3 and A4 each independently denote trans-1,4-cyclohexylene, 3-cyclohexen-1,4-ylene, 3-fluoro-3-cyclohexen-1,4-ylene, pyrimidine-2,5-diyl, 1,3-dioxan-2,5-diyl, trans-1-sila-1,4-cyclohexylene, trans-4-sila-1,4-cyclohexylene, or 1,4-phenylene in which one or more hydrogen atoms may be replaced by fluorine atoms or chlorine atoms, and m and n denote 0 or 1, with the proviso that when Z1, Z2 or Z3 is —CF2O—, then at least two groups selected from rings A1, A2, A3 and A4 directly bonded to —CF2O— are both 1,4-phenylene in which one or more hydrogen atoms may be replaced by fluorine atoms or chlorine atoms, and any of the rings A1, A2 and A3 bonded with the carbon atoms of —CF2O— is 1,4-phenylene in which at least one hydrogen atom is replaced by fluorine or chlorine atoms.

    摘要翻译： 由通式（1）表示的化合物：其中R1表示具有1至20个碳原子的烷基，其中所述基团中的一个或多个亚甲基可被氧原子或-CH = CH-代替，并且一个或多个 所述基团中的氢原子可以被氟或氯原子代替，条件是两个或更多个亚甲基可以不被氧原子连续替代，Y1表示具有1至5个碳原子的烷氧基，其中至少一个氢 原子被氟原子取代，一个或多个氢原子可以进一步被氯原子取代，Z 1，Z 2和Z 3各自独立地表示共价键，-CH 2 CH 2 - ， - CH = CH - ， - COO-或-CF 2） - ，条件是Z1，Z2和Z3中的至少一个为-COO-或-CF2O-，环A1，A2，A3和A4各自独立地表示反式-1,4-亚环己基，3-环己烯-1,4 亚苯基，3-氟-3-环己烯-1,4-亚基，嘧啶-2,5-二基，1,3-二恶烷-2,5-二基，反式-1-硅烷-1,4-亚环己基，反式 -4-硅烷-1,4-亚环己基，o 其中一个或多个氢原子可以被氟原子或氯原子代替的1,4-亚苯基，m和n表示0或1，条件是当Z1，Z2或Z3为-CF2O-时，则至少两个 与-CF 2 O-直接键合的环A1，A2，A3和A4所选择的基团均为1,4-亚苯基，其中一个或多个氢原子可以被氟原子或氯原子代替，任何环A1，A2和 与-CF 2 O-的碳原子键合的A 3是其中至少一个氢原子被氟或氯原子代替的1,4-亚苯基。

    Liquid crystal compositions and liquid crystal display elements
    16.
    发明授权
    Liquid crystal compositions and liquid crystal display elements 失效
    液晶组合物和液晶显示元件

    公开(公告)号：US6096242A

    公开(公告)日：2000-08-01

    申请号：US39390

    申请日：1998-03-16

    申请人： Norihisa Hachiya ,  Yasusuke Hisatsune ,  Fusayuki Takeshita ,  Tetsuya Matsushita ,  Etsuo Nakagawa

    发明人： Norihisa Hachiya ,  Yasusuke Hisatsune ,  Fusayuki Takeshita ,  Tetsuya Matsushita ,  Etsuo Nakagawa

    IPC分类号： G02F1/13 ,  C09K19/20 ,  C09K19/30 ,  C09K19/34 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K19/50 ,  C09K19/52

    CPC分类号： C09K19/42 ,  C09K19/46

    摘要： Liquid crystal compositions comprising at least two components wherein the first component is at least one selected from propiolonitrile derivatives containing 2-4 rings and the second component is at least one selected from the liquid crystalline compounds containing 2-4 rings and a saturated or unsaturated hydrocarbon group of up to 10 carbons. The propiolonitrile derivatives of the first component are those wherein each ring is trans-1,4-cyclohexylene, 1,4-phenylene, 2,6-dioxan-1,4-diyl or 2,6-pyrimidine-1,4-diyl, each bridge between the rings is ethylene, carbonyloxy or covalent bond and the terminal group at one end is hydrocarbon group of up to 10 carbons which may contain at least one ether bond in the chain.

    摘要翻译： 包含至少两种组分的液晶组合物，其中第一组分是选自含有2-4个环的丙炔腈衍生物中的至少一种，第二组分是选自含有2-4个环和饱和或不饱和烃的液晶化合物中的至少一种 最多10个碳组。 第一组分的丙炔腈衍生物是其中每个环是反式-1,4-亚环己基，1,4-亚苯基，2,6-二恶烷-1,4-二基或2,6-嘧啶-1,4-二基 环之间的每个桥是乙烯，羰氧基或共价键，并且一端的末端是至多10个碳的烃基，其可以在链中含有至少一个醚键。