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    Polyhaloalkyl ether derivatives as well as liquid crystal compositions and liquid crystal display elements containing them
    6.
    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 compound having fluorine-substituted 1,4-phenylene moiety, liquid crystal composition and liquid crystal display element
    7.
    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。

    Cyclohexane derivatives, liquid crystal compositions comprising the same and liquid crystal display devices
    10.
    发明授权
    Cyclohexane derivatives, liquid crystal compositions comprising the same and liquid crystal display devices 有权
    环己烷衍生物，含有它们的液晶组合物和液晶显示装置

    公开(公告)号：US06500503B2

    公开(公告)日：2002-12-31

    申请号：US09842254

    申请日：2001-04-26

    申请人： Koichi Shibata ,  Shuichi Matsui ,  Hiroyuki Tekeuchi ,  Katsuyuki Kawano ,  Yasuhiro Kubo ,  Etsuo Nakagawa

    发明人： Koichi Shibata ,  Shuichi Matsui ,  Hiroyuki Tekeuchi ,  Katsuyuki Kawano ,  Yasuhiro Kubo ,  Etsuo Nakagawa

    IPC分类号： C09K1930

    CPC分类号： C07D239/26 ,  C07C17/16 ,  C07C17/18 ,  C07C17/2635 ,  C07C25/18 ,  C07C25/24 ,  C07C45/29 ,  C07C45/513 ,  C07C255/50 ,  C07C255/54 ,  C07C2601/14 ,  C07D319/06 ,  C07D339/08 ,  C09K19/3001 ,  C09K19/3028 ,  C09K19/3402 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K2019/0448 ,  C09K2019/0451 ,  C09K2019/3422 ,  Y10T428/10 ,  C07C22/08 ,  C07C49/813 ,  C07C47/24

    摘要： Liquid crystalline compounds are disclosed which have large dielectric anisotropy and relatively low viscosity, and which are represented by formula (1) wherein R1 represents hydrogen or C1-C15 alkyl in which one or more non-adjacent methylene may be replaced by oxygen, sulfur or —CH═CH— and one or more hydrogen may be replaced by halogen; R2 represents hydrogen, cyano, halogen or C1-C15 alkyl in which one or more non-adjacent methylene may be replaced by oxygen, sulfur or —CH═CH— and one or more hydrogen may be replaced by halogen; L represents halogen or hydrogen; A1, A2, A4 and A5 each independently represent trans-1,4-cyclohexylene or 1,4-phenylene, one or more —CH2— in the trans-1,4-cyclohexylene may be replaced by oxygen or sulfur, one or more ═CH— in the 1,4-phenylene may be replaced by nitrogen, and one or more hydrogen in the 1,4-phenylene ring may be replaced by halogen; A3represents trans-1,4-cyclohexylene in which one or more —CH2— may be replaced by oxygen or sulfur; Z1,Z2,Z3 and Z4 each independently represent —COO—, —OCO—, —CH2CH2—, —(CH2)4—, —CH2O —, —OCH2—, —CF2O—, —OCF2— or a single bond; Q represents —CF2CH2— or —CH2CF2—; and k, l, m and n each independently represent 0 or 1 with the condition of k+l+m+n≦2. Further, liquid crystal compositions comprising at least one liquid crystalline compound of formula (1) and liquid crystal display devices composed of the compositions are disclosed.

    摘要翻译： 公开了具有大介电各向异性和相对低粘度的液晶化合物，其由式（1）表示，其中R 1表示氢或C 1 -C 15烷基，其中一个或多个不相邻的亚甲基可被氧，硫或 -CH = CH-，一个或多个氢可被卤素取代; R 2表示氢，氰基，卤素或C 1 -C 15烷基，其中一个或多个不相邻的亚甲基可被氧，硫或-CH = CH-代替，并且一个或多个氢可被卤素取代; L表示卤素或氢; A1，A2，A4和A5各自独立地表示反式-1,4-亚环己基或1,4-亚苯基，反式-1,4-亚环己基中的一个或多个-CH 2 - 可被氧或硫代替，一个或多个 = 1,4-亚苯基中的CH-可以被氮代替，1,4-亚苯基环中的一个或多个氢可被卤素取代; A3表示反式-1,4-亚环己基，其中一个或多个-CH 2 - 可被氧或硫取代; Z 1，Z 2，Z 3和Z 4各自独立地表示-COO - ， - OCO - ， - CH 2 CH 2 - ， - （CH 2）4 - ， - CH 2 O - ， - OCH 2 - ， - CF 2 O-，-OCF 2-或单键; Q表示-CF 2 CH 2 - 或-CH 2 CF 2 - ; 并且k，l，m和n各自独立地表示0或1，条件为k + 1 + m + n <= 2。 此外，公开了包含至少一种式（1）的液晶化合物和由该组合物组成的液晶显示装置的液晶组合物。