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    Diene derivative
    3.
    发明授权
    Diene derivative 失效
    二烯衍生物

    公开(公告)号：US5609791A

    公开(公告)日：1997-03-11

    申请号：US450805

    申请日：1995-05-25

    申请人： Atsuko Fujita ,  Shuichi Matsui ,  Yuichi Onji ,  Makoto Ushioda ,  Yasuyuki Goto

    发明人： Atsuko Fujita ,  Shuichi Matsui ,  Yuichi Onji ,  Makoto Ushioda ,  Yasuyuki Goto

    IPC分类号： C07C13/28 ,  C07C22/08 ,  C07C25/24 ,  C07C43/188 ,  C07C43/225 ,  C07C255/50 ,  C09K19/02 ,  C09K19/04 ,  C09K19/30 ,  C09K19/42

    CPC分类号： C09K19/3003 ,  C07C13/28 ,  C07C22/08 ,  C07C25/24 ,  C07C255/50 ,  C07C43/188 ,  C07C43/225 ,  C09K19/0208 ,  C09K19/0403 ,  C07C2101/14 ,  C09K2019/0407 ,  C09K2019/0444 ,  C09K2019/3021

    摘要： A novel liquid crystal material having a carbon chain containing a conjugated diene as a terminal substituent of the molecule and exhibiting superior characteristics is provided, which is a diene derivative expressed by the formula (I) ##STR1## wherein R and R' each independently represent 1-5C alkyl; A and B each independently represent 1,4-cyclohexylene or 1,4-phenylene; n is 0 or 1; m is an integer of 0 to 2; X and X' each independently represent H atom or F atom when A is 1,4-phenylene or represent H atom when A is 1,4-cyclohexylene; Y is alkyl, halogen or CN, alkoxy, methyl group substituted by 1-3 halogen atoms or trihaloalkoxy when A is 1,4-phenylene, or represent alkyl, alkoxy, methyl group substituted by 1-3 halogen atoms or trihaloalkoxy when A is 1,4-cyclohexylene; and R and R' are not simultaneously alkyl chain of 4 or more carbon atoms.The compound of the present invention has a generally usable viscosity and a high NI point and a high elastic constant ratio; hence the liquid crystal composition, particularly the liquid crystal composition for STN, containing the compound of the present invention exhibits improved characteristics as compared with the conventional ones.

    摘要翻译： 提供了具有含有共轭二烯作为分子的末端取代基并表现出优异特性的碳链的新型液晶材料，其为由式（I）表示的二烯衍生物，其中R和R' 各自独立地表示1-5C烷基; A和B各自独立地表示1,4-亚环己基或1,4-亚苯基; n为0或1; m为0〜2的整数; 当A为1,4-亚苯基时，X和X'各自独立地表示H原子或F原子，或当A为1,4-亚环己基时，表示H原子; 当A为1,4-亚苯基时，Y为烷基，卤素或CN，烷氧基，被1-3个卤素原子或三卤代烷氧基取代的甲基，或代表烷基，烷氧基，被1-3个卤素原子取代的甲基或三卤代烷氧基，当A为 1,4-亚环己基; 并且R和R'不是同时为4个或更多个碳原子的烷基链。 本发明的化合物具有通常可用的粘度和高的NI点和高弹性常数比; 因此，与现有技术相比，含有本发明化合物的液晶组合物，特别是STN用液晶组合物显示出改善的特性。

    Diene derivative
    4.
    发明授权
    Diene derivative 失效
    二烯衍生物

    公开(公告)号：US5449810A

    公开(公告)日：1995-09-12

    申请号：US41184

    申请日：1993-04-01

    申请人： Atsuko Fujita ,  Shuichi Matsui ,  Yuichi Onji ,  Makoto Ushioda ,  Yasuyuki Goto

    发明人： Atsuko Fujita ,  Shuichi Matsui ,  Yuichi Onji ,  Makoto Ushioda ,  Yasuyuki Goto

    IPC分类号： C07C13/28 ,  C07C22/08 ,  C07C25/24 ,  C07C43/188 ,  C07C43/225 ,  C07C255/50 ,  C09K19/02 ,  C09K19/04 ,  C09K19/30 ,  C09K19/42

    CPC分类号： C09K19/3003 ,  C07C13/28 ,  C07C22/08 ,  C07C25/24 ,  C07C255/50 ,  C07C43/188 ,  C07C43/225 ,  C09K19/0208 ,  C09K19/0403 ,  C07C2101/14 ,  C09K2019/0407 ,  C09K2019/0444 ,  C09K2019/3021

    摘要： A novel liquid crystal material having a carbon chain containing a conjugated diene as a terminal substituent of the molecule and exhibiting superior characteristics is provided, which is a diene derivative expressed by the formula (I) ##STR1## wherein R and R' each independently represent 1-5C alkyl; A and B each independently represent 1,4-cyclohexylene or 1,4-phenylene; n is 0 or 1; m is an integer of 0 to 2; X and X' each independently represent H atom or F atom when A is 1,4-phenylene or represent H atom when A is 1,4-cyclohexylene; Y is alkyl, halogen or CN, alkoxy, methyl group substituted by 1-3 halogen atoms or trihaloalkoxy when A is 1,4-phenylene, or represent alkyl, alkoxy, methyl group substituted by 1-3 halogen atoms or trihaloalkoxy when A is 1,4-cyclohexylene; and R and R' are not simultaneously alkyl chain of 4 or more carbon atoms.The compound of the present invention has a generally usable viscosity and a high NI point and a high elastic constant ratio; hence the liquid crystal composition, particularly the liquid crystal composition for STN, containing the compound of the present invention exhibits improved characteristics as compared with the conventional ones.

    摘要翻译： 提供了具有含有共轭二烯作为分子的末端取代基并表现出优异特性的碳链的新型液晶材料，其为由式（I）表示的二烯衍生物，其中R和R' 各自独立地表示1-5C烷基; A和B各自独立地表示1,4-亚环己基或1,4-亚苯基; n为0或1; m为0〜2的整数; 当A为1,4-亚苯基时，X和X'各自独立地表示H原子或F原子，或当A为1,4-亚环己基时，表示H原子; 当A为1,4-亚苯基时，Y为烷基，卤素或CN，烷氧基，被1-3个卤素原子或三卤代烷氧基取代的甲基，或代表烷基，烷氧基，被1-3个卤素原子取代的甲基或三卤代烷氧基，当A为 1,4-亚环己基; 并且R和R'不是同时为4个或更多个碳原子的烷基链。 本发明的化合物具有通常可用的粘度和高的NI点和高弹性常数比; 因此，与现有技术相比，含有本发明化合物的液晶组合物，特别是STN用液晶组合物显示出改善的特性。

    Cyclohexane derivative
    5.
    发明授权
    Cyclohexane derivative 失效
    环己烷衍生物

    公开(公告)号：US5382379A

    公开(公告)日：1995-01-17

    申请号：US132917

    申请日：1993-10-07

    申请人： Yuichi Onji ,  Makoto Ushioda ,  Shuichi Matsui ,  Tomoyuki Kondo ,  Yasuyuki Goto

    发明人： Yuichi Onji ,  Makoto Ushioda ,  Shuichi Matsui ,  Tomoyuki Kondo ,  Yasuyuki Goto

    IPC分类号： C07C17/23 ,  C07C17/26 ,  C07C25/24 ,  C07C43/225 ,  C07C45/51 ,  C07C45/59 ,  C07C45/62 ,  C07C45/68 ,  C07C47/24 ,  C07C47/457 ,  C07C49/697 ,  C09K19/30 ,  C07C19/08

    CPC分类号： C07C17/23 ,  C07C17/263 ,  C07C17/2635 ,  C07C25/24 ,  C07C43/225 ,  C07C45/513 ,  C07C45/59 ,  C07C45/62 ,  C07C45/68 ,  C07C47/24 ,  C07C47/457 ,  C07C49/697 ,  C09K19/3001 ,  C09K19/3003 ,  C09K2019/0444

    摘要： A novel liquid crystal material having an alkenyl group at the end of the molecule, and having a low viscosity is provided. When the compound is added to a display element it is able to reduce the threshold voltage of the resulting display element. The compound is expressed by the formula (I), ##STR1## wherein X is a F atom, a trifluoromethyl group, a trifluoromethoxy group or a difluoromethoxy group, --A-- is 1,4-cyclohexylene or 1,4-phenylene, --B-- is 1,4-cyclohexylene, l is 0, 1 or 2, m is 0, 1 or 2, l+m.gtoreq.1, Z is --CH.sub.2 CH.sub.2 -- or single bond, n is an integer of 0 to 4, R is a H atom or a linear or branched alkyl group of 1-7C, and when R is an alkyl group, the double bond has a trans-configuration. The compounds of the present invention are suitable as liquid crystal material for STN display element, and further are chemically stable; hence it is possible to prepare a composition having a superior multiplex characteristic and capable of effecting a low voltage drive.

    摘要翻译： 提供了一种在分子末端具有烯基并具有低粘度的新型液晶材料。 当将化合物添加到显示元件时，能够降低所得到的显示元件的阈值电压。 该化合物由式（I），其中X是F原子，三氟甲基，三氟甲氧基或二氟甲氧基的式（I）表示，-A-是1,4-亚环己基或1,4-亚环己基， 亚苯基，-B-是1,4-亚环己基，l是0,1或2，m是0,1或2,1 + m> = 1，Z是-CH 2 CH 2 - 或单键，n是 0〜4，R为H原子或1-7C的直链或支链烷基，当R为烷基时，双键具有反式构型。 本发明的化合物适用于STN显示元件的液晶材料，并且化学稳定; 因此可以制备具有优异的多重特性并能够进行低电压驱动的组合物。

    Liquid crystalline compound having negative dielectric anisotropy value
    6.
    发明授权
    Liquid crystalline compound having negative dielectric anisotropy value 失效
    具有负介电各向异性值的液晶化合物

    公开(公告)号：US5213708A

    公开(公告)日：1993-05-25

    申请号：US794622

    申请日：1991-11-18

    申请人： Yasuyuki Goto ,  Makoto Ushioda

    发明人： Yasuyuki Goto ,  Makoto Ushioda

    IPC分类号： C07D237/08 ,  C07D237/14 ,  C09K19/34

    CPC分类号： C07D237/08 ,  C07D237/14 ,  C09K19/3455

    摘要： The present invention provides a liquid crystalline compound having a large negative dielectric anisotropy value, a low viscosity and a large birefringence value and a liquid crystal composition suitable as an element constituting light switching elements. The liquid crystalline compound is expressed by the formula ##STR1## wherein R.sup.1 and R.sup.2 each independently represent an alkyl group or an alkoxy group each of 1 to 15 carbon atoms and Y.sub.1 and Y.sup.2 each independently represent H or F.

    摘要翻译： 本发明提供具有大的负介电各向异性值，低粘度和大双折射值的液晶化合物和适合作为构成光开关元件的元件的液晶组合物。 液晶化合物由下式表示，其中R 1和R 2各自独立地表示具有1至15个碳原子的烷基或烷氧基，并且Y 1和Y 2各自独立地表示H或F.

    Alkenyl ether derivative and liquid crystal composition containing the same
    7.
    发明授权
    Alkenyl ether derivative and liquid crystal composition containing the same 失效
    烯基醚衍生物和含有它们的液晶组合物

    公开(公告)号：US5180519A

    公开(公告)日：1993-01-19

    申请号：US680042

    申请日：1991-03-29

    申请人： Manabu Uchida ,  Makoto Ushioda ,  Yasuyuki Goto

    发明人： Manabu Uchida ,  Makoto Ushioda ,  Yasuyuki Goto

    IPC分类号： C07C43/162 ,  C07C43/168 ,  C07C43/215 ,  C09K19/12 ,  C09K19/30

    CPC分类号： C07C43/215 ,  C07C43/162 ,  C07C43/168 ,  C09K19/12 ,  C09K19/3003 ,  C07C2101/14

    摘要： An alkenyl ether derivative having a low viscosity, a good compatibility with other liquid crystalline compounds and being capable of use in preparing a liquid crystal display element having a high response rate are provided, which derivative is expressed by the formulaR.sub.1 --CH.sub.2 --O--(CH.sub.2)n--A.sub.1 --A.sub.2 A.sub.3 --R.sub.2[1]wherein R.sub.1 is a 2-7C alkenyl group having a double bond at its terminal or a double bond of a trans configuration at a position other than its terminal, R.sub.2 is 1-10C alkyl group or alkoxy group, A.sub.1 and A.sub.2 each independently are a 1,4-phenylene or a trans-1,4-cyclohexylene, A.sub.3 represents a 1,4-phenylene, a trans-1,4-cyclohexylene or a single bond and n is 1 or 2.

    摘要翻译： 提供具有低粘度，与其它液晶化合物的良好相容性并且能够用于制备具有高响应速率的液晶显示元件的烯基醚衍生物，该衍生物由式R 1 -CH 2 -O- （CH2）n-A1-A2A3-R2 [1]其中R1是其末端具有双键的2-7C烯基或反式构型在其末端以外的位置的双键，R2为1-10C 烷基或烷氧基，A1和A2各自独立地为1,4-亚苯基或反式-1,4-亚环己基，A3表示1,4-亚苯基，反-1,4-亚环己基或单键， n为1或2。

    Pyrimidine derivative and liquid crystal composition contain the same
    8.
    发明授权
    Pyrimidine derivative and liquid crystal composition contain the same 失效
    嘧啶衍生物和液晶组合物含有

    公开(公告)号：US5167858A

    公开(公告)日：1992-12-01

    申请号：US648009

    申请日：1991-01-31

    申请人： Yasuyuki Goto ,  Makoto Ushioda

    发明人： Yasuyuki Goto ,  Makoto Ushioda

    IPC分类号： G02F1/13 ,  C07C55/08 ,  C07C257/18 ,  C07D239/26 ,  C09K19/34

    CPC分类号： C09K19/3469

    摘要： The present invention provides a novel pyrimidine derivative having a large .DELTA..epsilon. value and a low viscosity, and affording a liquid crystal composition having a high clearing point and a low threshold voltage value without raising its viscosity when the derivative is mixed with other liquid crystal compositions or liquid crystal compound. The pyrimidine derivative is a 5-[2'-(trans-4"-alkylcyclohexyl)ethyl]-2-(3,4-difluorophenyl)pyrimidine expressed by the formula ##STR1## wherein R represents a linear alkyl group having 1 to 10 carbon atoms.

    摘要翻译： 本发明提供了一种具有较高DELTAε值和低粘度的新型嘧啶衍生物，并且当衍生物与其它液晶组合物混合时，提供具有高透明度和低阈值电压值的液晶组合物，而不增加其粘度 或液晶化合物。 嘧啶衍生物是由式“IMAGE”表示的5- [2' - （反式-4“ - 烷基环己基）乙基] -2-（3,4-二氟苯基）嘧啶，其中R表示具有1〜 10个碳原子。