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    Difluorovinyl compound, liquid crystal composition and liquid crystal display
    3.
    发明授权
    Difluorovinyl compound, liquid crystal composition and liquid crystal display 有权
    二氟乙烯基化合物，液晶组合物和液晶显示

    公开(公告)号：US06649227B2

    公开(公告)日：2003-11-18

    申请号：US09899169

    申请日：2001-07-06

    申请人： Takashi Kato ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Etsuo Nakagawa

    发明人： Takashi Kato ,  Shuichi Matsui ,  Hiroyuki Takeuchi ,  Yasuhiro Kubo ,  Etsuo Nakagawa

    IPC分类号： C09K1934

    CPC分类号： C07C49/753 ,  C07C49/687 ,  C07C49/693 ,  C07C49/697 ,  C07D319/06 ,  C09K19/04 ,  C09K19/3402 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K2019/0448 ,  C09K2019/0451 ,  C09K2019/3422 ,  Y10T428/10

    摘要： Provided are liquid crystalline compounds having a wide liquid crystal phase temperature range, low viscosity, a large elastic constant ratio K33/K11 and excellent solubility at low temperature, a liquid crystal composition using the same and a liquid crystal display. Preferred compounds are difluorovinyl compounds represented by Formula (1): wherein Y1, represents H or a straight chain or branched alkyl group having 1 to 10 carbon atoms, and optional —CH2— in the above alkyl group may be replaced by —O— or —CH═CH—, but —O— is not adjacent to each other, and at least one H in Y1 may be substituted with halogen or a cyano group: A1, A2, A3 and A4 each independently represent 1,4-cyclohexylene in which optional —CH2— which is not adjacent to each other may be replaced by —O—, 1,4-phenylene in which optional H may be substituted with halogen, and a single bond, in which at least two of A1, A2, A3 and A4 have the ring structure described above, and at least one of them is 1,4-cyclohexylene in which —CH2— is replaced by —O—; Z1, Z2 and Z3 each independently represent a single bond, —(CH2)2—, —CH═CH—, —(CH2)4—, —O(CH2)3— or —(CH2)3O—; n represents 0 or an integer of 1 to 10, provided that when any of A1, A2, A3 and A4 is 1,4-phenylene, Z1, Z2 and Z3 are single bonds, and among them, when A1 is 1,3-dioxane-2,5-diyl and A2 is 1,4-phenylene and when A3 is 1,4-cyclohexylene and A4 is a single bond, Y1 is H, and n is not 0.

    摘要翻译： 本发明提供具有宽液晶相温度范围，低粘度，大弹性常数比K33 / K11和低温溶解度优异的液晶化合物，使用该液晶组合物的液晶组合物和液晶显示器。 优选的化合物是由式（1）表示的二氟乙烯基化合物：其中Y 1表示H或具有1至10个碳原子的直链或支链烷基，并且上述烷基中任选的-CH 2 - 可以被 - O-或-CH = CH-，但-O-不彼此相邻，并且Y 1中的至少一个H可以被卤素或氰基取代：A 1，A 2， A 3和A 4各自独立地表示1,4-亚环己基，其中不相邻的任选的-CH 2可以被-O-，1,4-亚苯基代替，其中任选的H可以被取代 具有卤素和单键，其中A 1，A 2，A 3和A 4中的至少两个具有上述环结构，并且它们中的至少一个为1,4 - 环己烯，其中-CH 2 - 被-O-取代; Z 1，Z 2和Z 3各自独立地表示单键， - （CH 2）2 - ， - CH = CH - ， - （CH 2）4 - ， - O（CH 2）3 - （CH2）3O-; n表示0或1〜10的整数，条件是当A 1，A 2，A 3和A 4中的任何一个为1,4-亚苯基时，Z 1，Z 2 且Z 3为单键，其中A 1为1,3-二恶烷-2,5-二基，A 2为1,4-亚苯基，当A 3为1时， ，4-环亚己基和A 4为单键，Y 1为H，n为0。

    Alkenylcyclohexane derivatives, liquid crystal composition and liquid crystal display element
    4.
    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。

    Difluorophenyl derivatives, liquid-crystal compounds, and liquid-crystal composition
    5.
    发明授权
    Difluorophenyl derivatives, liquid-crystal compounds, and liquid-crystal composition 有权
    二氟苯基衍生物，液晶化合物和液晶组合物

    公开(公告)号：US06458433B1

    公开(公告)日：2002-10-01

    申请号：US09331058

    申请日：1999-06-16

    申请人： Takashi Kato ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Takashi Kato ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： C09K1934

    CPC分类号： C07C17/16 ,  C07B59/001 ,  C07C17/12 ,  C07C17/263 ,  C07C17/2632 ,  C07C17/269 ,  C07C17/354 ,  C07C25/18 ,  C07C25/24 ,  C07C43/192 ,  C07C43/225 ,  C07C45/513 ,  C07C45/60 ,  C07C2601/14 ,  C07F7/0896 ,  C09K19/0403 ,  C09K19/14 ,  C09K19/20 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/3402 ,  C09K19/3444 ,  C09K19/3458 ,  C09K19/3491 ,  C09K19/42 ,  C09K2019/0407 ,  C09K2019/3027 ,  C09K2019/3422 ,  Y10T428/10 ,  C07C22/00 ,  C07C47/105

    摘要： Disclosed are liquid crystalline compounds which (i) are characterized in that the compounds have a wide temperature range in which the compounds exhibit a liquid crystal phase, are low in viscosity, and have a negative and large &Dgr;&egr;, (ii) are readily mixed with other various liquid crystal materials even at low temperatures, and (iii) are useful as component of liquid crystal compositions suitable both for TFT type display mode and IPS mode; and liquid crystal composition comprising the liquid crystalline compound; the compounds are expressed by the general formula (1) wherein R1 represents an alkyl group having 1 to 15 carbon atoms; ring A1, ring A2, and ring A3 independently represent trans-1,4-cyclohexylene group, trans-1,4-silacyclohexylene group, pyrimidine-2,5-diyl group, pyridine-2,5-diyl group, 1,3-dioxane-2,5-diyl group, tetrahydropyran-2,5-diyl group, 1,3-dithian-2,5-diyl group, or tetrahydrothiopyran-2,5-diyl group, or 1,4-phenylene group in which one or more hydrogen atoms on the six-membered ring may be replaced by a halogen atom; X1, X2, and X3 independently represent —(CH2)4—, —(CH2)3O—, —O(CH2)3—, or single bond; Y1 represents hydrogen atom or an alkyl group having 1 to 15 carbon atoms; m and n are independently 0 or 1; and any atom which constitutes this compound may be replaced by its isotope.

    摘要翻译： 本发明提供的液晶化合物，其特征在于化合物具有宽的温度范围，其中化合物表现出液晶相，粘度低，并且具有负的和大的DELTAepsi，（ii）容易与 其它各种液晶材料即使在低温下，也可用作液晶组合物，适用于TFT型显示模式和IPS模式; 以及包含所述液晶化合物的液晶组合物; 化合物由通式（1）表示，其中R 1表示具有1至15个碳原子的烷基; 环A1，环A2和环A3独立地表示反式-1,4-亚环己基，反-1,4-亚环己基，嘧啶-2,5-二基，吡啶-2,5-二基，1,3 四烷基-2,5-二基，四氢吡喃-2,5-二基，1,3-二噻烷-2,5-二基或四氢噻喃-2,5-二基，或1,4-亚苯基 六元环上的一个或多个氢原子可以被卤素原子取代; X1，X2和X3独立地表示 - （CH2）4-， - （CH2）3O-，-O（CH2）3-或单键; Y1表示氢原子或碳原子数1〜15的烷基。 m和n独立地为0或1; 并且构成该化合物的任何原子可以被其同位素代替。

    Fluoroalkenyl derivative and liquid crystal composition
    6.
    发明授权
    Fluoroalkenyl derivative and liquid crystal composition 失效
    氟烯基衍生物和液晶组合物

    公开(公告)号：US5989452A

    公开(公告)日：1999-11-23

    申请号：US51353

    申请日：1998-04-08

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

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

    IPC分类号： C07C22/00 ,  C07C22/08 ,  C09K19/04 ,  C09K19/30 ,  C07C19/08 ,  C09K19/12 ,  C09K19/34

    CPC分类号： C09K19/04 ,  C07C22/00 ,  C07C22/08

    摘要： The present invention is to provide liquid crystalline compounds having a wide temperature range of a liquid crystal phase, low viscosity, and large ratio of elastic constants; liquid crystal compositions comprising the compound; and liquid crystal display devices comprising the composition; the liquid crystalline compounds being fluoroalkenyl derivatives expressed by the general formula (1) ##STR1## wherein A.sub.1, A.sub.2, A.sub.3, and A.sub.4 independently represent trans-1,4-cyclohexylene group or 1,4-phenylene group; Z.sub.1, Z.sub.2, and Z.sub.3 independently represent --(CH.sub.2).sub.2 --, --CH.dbd.CH--, --C.ident.C--, or a single bond; Q represents H or F; l is an integer of 1 to 5; m, n, and o are independently an integer of 0 to 5; p and q are independently an integer of 0 or 1; and each element which constitutes the derivatives may be an isotope of the element.

    摘要翻译： PCT No.PCT / JP96 / 02950 Sec。 371日期：1998年4月8日 102（e）1998年4月8日PCT PCT 1996年10月11日PCT公布。 出版物WO97 / 13738 日期1997年04月17日本发明提供具有液晶相的宽温度范围的液晶化合物，粘度低，弹性常数比大; 包含该化合物的液晶组合物; 和包含该组合物的液晶显示装置; 由通式（1）表示的氟烯基衍生物的液晶化合物，其中A1，A2，A3和A4独立地表示反式-1,4-亚环己基或1,4-亚苯基; Z 1，Z 2和Z 3独立地表示 - （CH 2）2 - ， - CH = CH - ， - C = C-或单键; Q表示H或F; l为1〜5的整数， m，n和o分别为0〜5的整数。 p和q独立地为0或1的整数; 并且构成衍生物的每个元素可以是元素的同位素。

    Tercyclohexane, liquid-crystalline compound and liquid crystal composition comprising same
    7.
    发明授权
    Tercyclohexane, liquid-crystalline compound and liquid crystal composition comprising same 失效
    三环己烷，液晶化合物和包含它们的液晶组合物

    公开(公告)号：US6030545A

    公开(公告)日：2000-02-29

    申请号：US663925

    申请日：1996-06-14

    申请人： Shuichi Matsui ,  Kazutoshi Miyazawa ,  Takashi Kato ,  Yasuko Sekiguchi ,  Etsuo Nakagawa

    发明人： Shuichi Matsui ,  Kazutoshi Miyazawa ,  Takashi Kato ,  Yasuko Sekiguchi ,  Etsuo Nakagawa

    IPC分类号： C07C17/16 ,  C07C22/00 ,  C09K19/30 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46

    CPC分类号： C09K19/46 ,  C07C17/16 ,  C07C22/00 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3028 ,  C09K19/42 ,  C09K19/44 ,  C09K2019/0448 ,  C09K2019/0451 ,  C09K2019/3006 ,  Y10T428/1036

    摘要： The present invention provides a liquid-crystalline compound which has a reduced viscosity, a wide liquid crystal temperature range (high clearing point), a high chemical stability (extremely high specific resistance, high voltage holding ratio) and a high solubility with other liquid-crystalline compound(s) and preferably has a proper refractive index anisotropy. The present invention also provides a liquid crystal composition having excellent properties. The liquid-crystalline compound is represented by the following general formula (1): wherein R and R' each independently represents a C.sub.1-20 alkyl or halogenated alkyl group or a group obtained by replacing one or more --CH.sub.2 -- groups in the alkyl group by any of --O--, --S--, --CH.dbd.CH-- or --C.tbd.C--, provided that two or more --CH.sub.2 -- groups are not consecutively replaced by either --O-- or --S--; and Z.sub.1 and Z.sub.2 each independently represents a covalent bond or 1,2-ethylene group, provided that when both Z.sub.1 and Z.sub.2 are a covalent bond, R and R' are not straight-chain alkyl groups each having the same chain length.

    摘要翻译： 本发明提供一种液晶性化合物，其具有比较低的粘度，宽的液晶温度范围（高透明度），高化学稳定性（高电阻率，高电压保持率）和与其它液体 - 结晶化合物，并且优选具有适当的折射率各向异性。 本发明还提供具有优异性能的液晶组合物。 液晶化合物由以下通式（1）表示：其中R和R'各自独立地表示C1-20烷基或卤代烷基或通过置换烷基中的一个或多个-CH 2 - 基团而获得的基团 通过-O - ， - S - ， - CH = CH-或-CB 3 C - 中的任何基团，条件是两个或更多个-CH 2 - 基团不被-O-或-S-连续替代; 并且Z 1和Z 2各自独立地表示共价键或1,2-亚乙基，条件是当Z1和Z2均为共价键时，R和R'不是具有相同链长的直链烷基。

    Liquid crystalline compound replaced by fluorine containing group, liquid crystal composition, and liquid crystal display device
    8.
    发明授权
    Liquid crystalline compound replaced by fluorine containing group, liquid crystal composition, and liquid crystal display device 失效
    由含氟基团，液晶组合物和液晶显示装置取代的液晶化合物

    公开(公告)号：US6013198A

    公开(公告)日：2000-01-11

    申请号：US921799

    申请日：1997-09-02

    申请人： Kazutoshi Miyazawa ,  Shuichi Matsui ,  Tomoyuki Kondo ,  Takashi Kato ,  Yasuko Sekiguchi ,  Etsuo Nakagawa

    发明人： Kazutoshi Miyazawa ,  Shuichi Matsui ,  Tomoyuki Kondo ,  Takashi Kato ,  Yasuko Sekiguchi ,  Etsuo Nakagawa

    IPC分类号： C07C43/225 ,  C09K19/30 ,  C07C19/08 ,  C07C22/00 ,  C09K19/12

    CPC分类号： C09K19/3028 ,  C07C43/225 ,  C09K19/3001

    摘要： Liquid crystalline compounds are disclosed which compounds are expressed by general formula (1) ##STR1## wherein R.sub.1 represents an alkyl group having 1 to 10 carbon atoms, ring A represents 1,4-phenylene or 1,4-cyclohexylene, each of X.sub.1, X.sub.2, X.sub.3, and X.sub.4 independently represents hydrogen atom or fluorine atom, Y.sub.1 represents CF.sub.3 or OCF.sub.3, and each of m, n, and p is independently an integer of 1 or 0. The liquid crystalline compounds have a wide temperature. The liquid crystalline compounds have a wide temperature range of nematic phase, low viscosity, large positive .DELTA..epsilon., high chemical stability, high miscibility with other liquid crystalline compounds at low temperatures, small temperature dependency of viscosity and .DELTA..epsilon., extremely high specific resistance (high voltage holding ratio), and good UV stability, and are preferably used for TFT. Also, disclosed are liquid crystal compositions containing the liquid crystalline compounds mentioned above, and liquid crystal display devices using the liquid crystal composition.

    摘要翻译： 公开了液晶化合物，其中化合物由通式（1）表示，其中R 1表示具有1-10个碳原子的烷基，环A表示1,4-亚苯基或1,4-亚环己基，各自为X1，X2，X3 X 4独立地表示氢原子或氟原子，Y1表示CF 3或OCF 3，m，n和p各自独立地为1或0的整数。液晶化合物的温度宽。 液晶化合物具有宽的向列相温度范围，低粘度，大的正DELTAε，高化学稳定性，低温下与其它液晶化合物的高混溶性，粘度和DELTAε的温度依赖性低，电阻率极高（ 高电压保持率），良好的紫外线稳定性，优选用于TFT。 此外，还公开了含有上述液晶化合物的液晶组合物和使用该液晶组合物的液晶显示装置。

    Bisalkenyl derivatives, liquid crystalline compounds and liquid crystal compositions
    9.
    发明授权
    Bisalkenyl derivatives, liquid crystalline compounds and liquid crystal compositions 失效
    双链烯基衍生物，液晶化合物和液晶组合物

    公开(公告)号：US06180027B2

    公开(公告)日：2001-01-30

    申请号：US09101990

    申请日：1998-07-22

    申请人： Takashi Kato ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Yasuko Sekiguchi ,  Etsuo Nakagawa

    发明人： Takashi Kato ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Yasuko Sekiguchi ,  Etsuo Nakagawa

    IPC分类号： C09K1930

    CPC分类号： C09K19/3001 ,  C07F7/081 ,  C07F7/0812 ,  C07F7/0896 ,  C09K19/04

    摘要： Liquid crystalline compounds expressed by the following formula (1), liquid crystal compositions thereof obtained by combination with specified liquid crystal compounds, and liquid crystal display devices using them, wherein, A1, A2, A3 and A4 denote each independently trans-1,4-cyclohexylene group etc.; Z1, Z2 and Z3 denote each independently —(CH2)2— etc.; Q1 and Q2 denote each independently H, F, Cl or Br; Q3 and Q4 denote each independently F, Cl or Br; 1, m and n denote each independently an integer of from 0 to 5; and p and q denote each independently an integer of 0 or 1.

    摘要翻译： 由下式（1）表示的液晶化合物，与特定液晶化合物组合得到的液晶组合物和使用它们的液晶显示装置，其中，A1，A2，A3和A4各自独立地表示反式-1,4 环己基等; Z1，Z2和Z3各自独立地表示 - （CH2）2-等; Q1和Q2各自独立地表示H，F，Cl或Br; Q3和Q4各自独立地表示F，Cl或Br; 1，m和n各自独立地表示0〜5的整数， p和q各自独立地表示0或1的整数。