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    Novel optically active tolan derivatives and process for preparing same
    2.
    发明公开
    Novel optically active tolan derivatives and process for preparing same 失效
    Optisch aktive Tolanderivate和Verfahren zu deren Herstellung。

    公开(公告)号：EP0249933A1

    公开(公告)日：1987-12-23

    申请号：EP87108627.8

    申请日：1987-06-16

    申请人： DAINIPPON INK AND CHEMICALS, INC.

    发明人： Takeuchi, Kiyohumi ,  Sasaki, Makoto ,  Takatsu, Haruyoshi

    IPC分类号： C07C43/215 ,  C07C41/30

    CPC分类号： C07C43/215 ,  C09K19/18 ,  C09K19/3059

    摘要： Novel optically active tolan derivative represented by the general formula (I) and process for preparing thereof;
    (wherein all the symbols are the same as defined in the appended claims) are disclosed. These are effective for use in preparation of liquid crystal material capable of effectively preventing the formation of the cross-­talk phenomenon due to changes due to temperature in the high level multiplexing driving system.

    摘要翻译： 由通式（I）表示的新型光学活性兰烷衍生物及其制备方法; 公开了（其中所有符号与所附权利要求中所定义的相同）。 这些对于能够有效地防止由于高电平复用驱动系统中的温度引起的变化而形成串扰现象的液晶材料的制备是有效的。

    Liquid crystal device
    5.
    发明公开
    Liquid crystal device 失效
    Flüssigkristallvorrichtungenund Herstellungsverfahren。

    公开(公告)号：EP0313053A2

    公开(公告)日：1989-04-26

    申请号：EP88117502.0

    申请日：1988-10-20

    申请人： DAINIPPON INK AND CHEMICALS, INC. ,  KAWAMURA INSTITUTE OF CHEMICAL RESEARCH

    发明人： Arai, Yoshi ,  Fujisawa, Toru ,  Takeuchi, Kiyohumi ,  Takatsu, Haruyoshi ,  Adachi, Koichiro ,  Ogawa, Hiroshi ,  Maruyama, Kazunori

    IPC分类号： G02F1/133 ,  C09K19/54 ,  C08K5/00

    CPC分类号： C09K19/542 ,  G02F1/1334 ,  G02F2001/13345

    摘要： A liquid crystal device comprising a pair of substrate, at least one of them being transparent, and a light-control layer supported therebetween, wherein said light-control layer comprises a liquid crystal material showing positive dielectric anisotropy and a transparent solid substance, said liquid crystal material forming a continuous phase, and said transparent solid substance existing in said continuous phase in the form of dispersed particles or a three-dimensional network. The device exhibits a clear threshold voltage, a high fast response time and a highly contrast display with a low applied voltage.

    摘要翻译： 一种液晶装置，包括一对基板，其中至少一个是透明的，并且其间支撑有光控层，其中所述光控层包括显示正介电各向异性的液晶材料和透明固体物质，所述液体 形成连续相的晶体材料，以及分散颗粒形式的所述连续相中存在的所述透明固体物质或三维网络。 该器件具有清晰的阈值电压，高的快速响应时间和低施加电压的高对比度显示。

    Cyclic hydrocarbon derivative and liquid crystal composition containing the same
    6.
    发明公开
    Cyclic hydrocarbon derivative and liquid crystal composition containing the same 失效
    Zyclisches Kohlenwasserstoffderivat sowie eine dieses enthaltendeFlüssigkristallzusammensetzung。

    公开(公告)号：EP0637623A1

    公开(公告)日：1995-02-08

    申请号：EP94111448.0

    申请日：1994-07-22

    申请人： DAINIPPON INK AND CHEMICALS, INC.

    发明人： Takatsu, Haruyoshi ,  Takehara, Sadao ,  Takeuchi, Kiyohumi ,  Osawa, Masashi ,  Ogawa, Shinji ,  Ishida, Norie

    IPC分类号： C09K19/04 ,  C09K19/30 ,  C07B59/00 ,  C07C255/50 ,  C07C43/20 ,  C07C25/18

    CPC分类号： C09K19/402 ,  C07B59/001 ,  C07C255/50 ,  C07C255/55 ,  C07C2601/14 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/3028 ,  C09K19/3059 ,  C09K2019/0444

    摘要： A novel cyclic hydrocarbon derivative is disclosed, which is represented by formula (I):

    wherein Y¹ and Y² each independently represent a fluorine atom, a chlorine atom, a cyano group, a cyanato group (OCN), a thiocyanato group (SCN), a trifluoromethoxy group (OCF₃), a difluoromethoxy group (OCF₂H), a 2,2,2-trifluoroethoxy group (OCH₂CF₃), a trifluoromethyl group (CF₃), R, -OR, -COOR or -OCOR, wherein R represents an alkyl group having from 1 to 20 carbon atoms, an alkenyl group having from 2 to 20 carbon atoms or an alkoxylalkyl group having from 2 to 20 carbon atoms, provided that at least one of Y¹ and Y² represents R, -OR, -COOR or -OCOR; Z, Z¹, Z², Z³, and Z⁴ each independently represent a single bond, -CH₂CH₂-, -CH=CH-, -C≡C-, -COO-, -OCO-, -CH₂O-, -OCH₂-, -(CH₂)₄-, -(CH₂)₃-O- or -O-(CH₂)₃-; ring A represents a group of formula (II):

    wherein X¹, X², X³, X⁴, X⁵, X⁶, X⁷, X⁸, X⁹, and X¹⁰ each independently represent a hydrogen atom (H) or a deuterium atom (D), provided that at least one of them represents a deuterium atom (D); rings K, L, J, M and N each independently represent a trans-1,4-cyclohexylene group, a 1,4-cyclohexenylene group, a trans-1,4-cyclohexylene group substituted with 1 to 4 substituents selected from a fluorine atom and a cyano group, a 1,4-phenylene group, a 1,4-phenylene group substituted with 1 to 4 substituents selected from a fluorine atom, a chlorine atom, a cyano group and a methyl group, a 1,3-dioxane-2,6-diyl group, a pyrimidine-2,5-diyl group, a pyridine-2,5-diyl group, a pyrazine-2,5-diyl group or a group of formula (III):

    wherein X¹¹, X¹², X¹³, X¹⁴, X¹⁵, X¹⁶, X¹⁷, X¹⁸, X¹⁹, and X²⁰ each independently represent a hydrogen atom (H) or a deuterium atom (D), provided that at least one of them represents a deuterium atom (D); in which the ring of formula (III) may be the same or different with ring A; and k, l, m, and n each independently represent 0 or 1, provided that the sum of k, l, m, and n is 0, 1 or 2. The compound of the present invention is useful as an electro-optic liquid crystal display material.

    摘要翻译： 公开了由式（I）表示的新型环状烃衍生物：其中Y 1和Y 2各自独立地表示氟原子，氯原子，氰基，氰基（OCN） ），硫氰酸酯基（SCN），三氟甲氧基（OCF 3），二氟甲氧基（OCF2H），2,2,2-三氟乙氧基（OCH 2 CF 3），三氟甲基（CF 3），R，-OR，-COOR 或-OCOR，其中R表示具有1至20个碳原子的烷基，具有2至20个碳原子的烯基或具有2至20个碳原子的烷氧基烷基，条件是Y 1， 并且Y 2表示R，-OR，-COOR或-OCOR; Z，Z 1，Z 2，Z 3和Z 4各自独立地表示单键，-CH 2 CH 2 - ， - CH = CH - ， - C 1 - C 1 -C 30 - OCO - ， - CH 2 O - ， - OCH 2 - ， - （CH 2）4 - ， - （CH 2）3 -O-或-O-（CH 2） 环A表示式（II）的基团：其中X 1，X 2，X 3，X 4，X 5，X 6，X 7， X 8，X 9和X 1各自独立地表示氢原子（H）或氘原子（D），条件是它们中的至少一个表示氘原子（D）。 环K，L，J，M和N各自独立地表示反式-1,4-亚环己基，1,4-亚环己烯基，被1〜4个选自氟的取代基取代的反式-1,4-亚环己基 原子和氰基，1,4-亚苯基，被1〜4个选自氟原子，氯原子，氰基和甲基的取代基取代的1,4-亚苯基， 二恶烷-2,6-二基，嘧啶-2,5-二基，吡啶-2,5-二基，吡嗪-2,5-二基或式（III）的基团： 其中X 1，X 1，X 1，X 1，X 4，X 1，X 1，X 6，X X 1，X 1，X 1，9和X 2各自独立地表示氢原子（H）或氘原子（D），条件是 其中至少一个表示氘原子（D）; 其中式（III）的环可以与环A相同或不同; 并且k，l，m和n各自独立地表示0或1，条件是k，l，m和n的和为0,1或2.本发明的化合物可用作电光液体 水晶显示材料。

    Nematic liquid crystal compound of four ring systems
    9.
    发明公开
    Nematic liquid crystal compound of four ring systems 失效
    Nematische Vierring-Flüssigkristallverbindung。

    公开(公告)号：EP0291949A2

    公开(公告)日：1988-11-23

    申请号：EP88107954.5

    申请日：1988-05-18

    申请人： DAINIPPON INK AND CHEMICALS, INC.

    发明人： Tanaka, Yasuyuki ,  Takatsu, Haruyoshi ,  Takeuchi, Kiyohumi ,  Tamura, Yuji

    IPC分类号： C07C25/18 ,  C09K19/30

    CPC分类号： C07C25/18 ,  C09K19/3003

    摘要： A tetracyclic nematic liquid crystal compound of the following formula:
    wherein R represents a straight-chained alkyl group carrying one to seven carbon atoms; and
    has a trans (equatorial-equatorial) configuration; is disclosed. This compound has a high N-I transition tem­perature and a low S-N transition temperature and is highly useful as an electro-optical display material.

    摘要翻译： 下式的四环向列型液晶化合物：其中，R表示碳原子数为1〜7的直链烷基， 和具有反（赤道赤道）配置; 被披露。 该化合物具有高N-I转变温度和低S-N转变温度，并且作为电光显示材料是非常有用的。

    Nematic liquid crystalline composition
    10.
    发明公开
    Nematic liquid crystalline composition 失效
    NEMATIC液晶组合物

    公开(公告)号：EP0178937A3

    公开(公告)日：1988-03-30

    申请号：EP85307511

    申请日：1985-10-17

    申请人： DAINIPPON INK AND CHEMICALS, INC.

    发明人： Fujita, Yutaka ,  Takeuchi, Kiyohumi

    IPC分类号： C09K19/46

    CPC分类号： C09K19/46

    摘要： A nematic liquid crystalline composition which comprises
    (a) a compound represented by the general formula
    (b) a compound represented by the general formula
    (c) at least one compound selected from (i) compounds represented by the general formula
    and (ii) compounds represented by the general formula
    and (d) optionally a compound represented by the general formula
    wherein R represents a linear alkyl group having 1 to 10 carbon atoms, R' represents a linear alkyl or alkoxy group having 1 to 10 carbon atoms, R" represents a linear alkoxy group having 1 to 10 carbon atoms, X represents a hydrogen, fluorine or chlorine atom and - A - represents
    or
    is useful in field effect mode liquid crystal display elements.