利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

92 条记录 (耗时 0.036 秒)

    Liquid crystal mixture and liquid crystal device comprising the same
    1.
    发明授权
    Liquid crystal mixture and liquid crystal device comprising the same 失效
    液晶混合物和包含该液晶混合物的液晶装置

    公开(公告)号：US5762825A

    公开(公告)日：1998-06-09

    申请号：US538909

    申请日：1995-10-04

    申请人： Yoshiaki Tsubata ,  Kyoko Yamamoto ,  Koichi Fujisawa ,  Yukari Fujimoto ,  Tsutomu Matsumoto ,  Masayoshi Minai ,  Chizu Sekine

    发明人： Yoshiaki Tsubata ,  Kyoko Yamamoto ,  Koichi Fujisawa ,  Yukari Fujimoto ,  Tsutomu Matsumoto ,  Masayoshi Minai ,  Chizu Sekine

    IPC分类号： C09K19/30 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K19/06 ,  C09K19/12 ,  C09K19/34

    CPC分类号： C09K19/3001 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46

    摘要： A liquid crystal mixture containing (a) at least one compound of a compound of the formula (1): ##STR1## in which R is a C.sub.1 -C.sub.12 alkyl group, etc.; X.sub.1, X.sub.2, X.sub.3, X.sub.4, Y.sub.1, Y.sub.2, Y.sub.3 and Y.sub.4 represent, independently each other, CH, CF or N; A is a hydrogen atom, a 4-R.sub.1 -(cycloalkyl) group, etc. in which R.sub. is a C.sub.1 -C.sub.12 alkyl group, etc. and p is 0 or 1; and Z is --C.tbd.C-- or a single bond, and (b) at least one compound of the formula (4): ##STR2## wherein rings C, D, E and F represent, independently each other, 1,4-phenylene, etc. which may be substituted by 1, 2 or 3 fluorine atoms; R.sub.2 is a hydrogen atom, a C.sub.1 -C.sub.12 alkyl group, etc.; R.sub.3 is a hydrogen atom, a fluorine atom, a fluoromethyl group, etc.; Z.sub.1, Z.sub.2 and Z.sub.3 represent, independently each other, --COO--, --OCO--, --OCH.sub.2 --, --CH.sub.2 O--, a C.sub.1 -C.sub.5 alkylene group, a C.sub.2 -C.sub.5 alkenylene group, etc.; J and K represent, independently each other, a methylene group or --O--; a, b, c, d and e represent, independently each other, 0 or 1.

    摘要翻译： 一种液晶混合物，其含有（a）至少一种式（1）化合物的化合物：其中R是C1-C12烷基等;其中R是C1-C12烷基; X1，X2，X3，X4，Y1，Y2，Y3和Y4彼此独立地表示CH，CF或N; A是氢原子，4-R1-（环烷基）基等，其中R 1是C 1 -C 12烷基等，p是0或1; 和（b）至少一种式（4）的化合物：其中环C，D，E和F各自独立地表示， 可以被1,2或3个氟原子取代的1,4-亚苯基等; R2是氢原子，C1-C12烷基等; R3是氢原子，氟原子，氟甲基等; Z1，Z2和Z3彼此独立地表示-COO-，-OCO-，-OCH2-，-CH2O-，C1-C5亚烷基，C2-C5亚烯基等; J和K彼此独立地表示亚甲基或-O-; a，b，c，d和e彼此独立地表示0或1。

    Liquid crystal, liquid crystal mixture having Tau-V min mode driving with negative or zero temperature dependency
    2.
    发明授权
    Liquid crystal, liquid crystal mixture having Tau-V min mode driving with negative or zero temperature dependency 失效
    具有Tau-V min模式驱动的液晶，液晶混合物具有负温度或零温度依赖性

    公开(公告)号：US06246452B1

    公开(公告)日：2001-06-12

    申请号：US08545198

    申请日：1995-10-19

    申请人： Chizu Sekine ,  Kyoko Yamamoto ,  Koichi Fujisawa ,  Yukari Fujimoto ,  Tsutomu Matsumoto ,  Masayoshi Minai

    发明人： Chizu Sekine ,  Kyoko Yamamoto ,  Koichi Fujisawa ,  Yukari Fujimoto ,  Tsutomu Matsumoto ,  Masayoshi Minai

    IPC分类号： G02F1133

    CPC分类号： C09K19/345 ,  C09K19/46

    摘要： A ferroelectric chiral smectic liquid crystal mixture comprising at least one compound of the formula (I): wherein R11 and R12 represent, independently each other, a C1-C20 alkyl, alkoxy or alkoxyalkyl group which may be substituted by at least one halogen atom and may have an unsaturated bond; A11, A12 and A13 represent, independently each other, a phenylene group which may be substituted by a fluorine atom, or the like; * indicates an asymmetric carbon atom; Z is a hydrogen atom or a fluorine atom; n is an integer of 0 to 10; r, s, t and u are each 0 or 1, provided that when u is 1, the compound (I) is a trans-olefin, and at least one compound of the formula (II): wherein R21 is a saturated or unsaturated C3-C20 alkyl group or a saturated or unsaturated C3-C20 alkoxyalkyl group; A21, A22 and A23 represent, independently each other, a phenylene group which may be substituted by a fluorine atom or the like; X2 is —C≡C— or the like; Z is a hydrogen atom or a fluorine atom; n is an integer of 1 to 10; m is 0 or 1; and * indicates an asymmetric carbon atom, which liquid crystal mixture has a high response speed and a small dependency of &tgr;-Vmin characteristic on temperature and a wide temperature driving margin.

    摘要翻译： 一种铁电手性近晶液晶混合物，其包含至少一种式（I）化合物：其中R 11和R 12彼此独立地表示可以被至少一个卤素原子取代的C 1 -C 20烷基，烷氧基或烷氧基烷基， 可具有不饱和键; A11，A12和A13彼此独立地表示可被氟原子取代的亚苯基等; *表示不对称碳原子; Z是氢原子或氟原子; n为0〜10的整数。 r，s，t和u各自为0或1，条件是当u为1时，化合物（I）为反式烯烃，和至少一种式（II）化合物：其中R 21为饱和或不饱和的 C3-C20烷基或饱和或不饱和C3-C20烷氧基烷基; A21，A22和A23彼此独立地表示可以被氟原子等取代的亚苯基; X 2是-C = C - 等; Z是氢原子或氟原子; n为1〜10的整数。 m为0或1; 和*表示不对称碳原子，该液晶混合物具有较高的响应速度，并且对于温度和宽温度驱动裕度具有较小的依赖性。

    Phenylacetylene compound, liquid crystal composition, and liquid crystal element produced with the same
    10.
    发明授权
    Phenylacetylene compound, liquid crystal composition, and liquid crystal element produced with the same 失效
    苯乙炔化合物，液晶组合物，及其制造的液晶元件

    公开(公告)号：US06623810B2

    公开(公告)日：2003-09-23

    申请号：US09840983

    申请日：2001-04-25

    申请人： Chizu Sekine ,  Koichi Fujisawa ,  Kazunori Iwakura ,  Masayoshi Minai

    发明人： Chizu Sekine ,  Koichi Fujisawa ,  Kazunori Iwakura ,  Masayoshi Minai

    IPC分类号： C09K1942

    CPC分类号： C07C25/24 ,  C07C22/08 ,  C07C255/50 ,  C07C309/65 ,  C07C2601/14 ,  C09K19/18 ,  Y10T428/10

    摘要： The present invention provides novel phenylacetylene compounds, liquid crystal compositions having a large refractive index anisotropy (&Dgr;n), and liquid crystal elements produced with the same. The liquid crystal composition contains at least one compound of formula (3A), and at least one compound selected from the group consisting of compounds of any one of formulae (3B) to (3C), wherein A1 to A12: alkyl group optionally substituted with F; R1, R2: H, F; A13 to A24: H, F; m: 0 or 1; Rings A to D: 1,4-phnylene, 1,4-cyclohexylene; R5, R6: H, F; Z1 to Z3: —COO—, —OCO—; b to d: 0 or 1 with b+c+d□1; B1 to B12: alkyl or alkoxy group; R7, R8: H, F:

    摘要翻译： 本发明提供了新的苯乙炔化合物，具有大的折射率各向异性（Deltan）的液晶组合物和由其生产的液晶元件。 液晶组合物含有至少一种式（3A）化合物和至少一种选自式（3B）至（3C）中任一项的化合物的化合物，其中A 1至A 12， ：任选被F取代的烷基; R 1，R 2：H，F; A <13>至A 24：H，F; m：0或1; 环A至D：1,4-亚苯基，1,4-亚环己基; R 5，R 6：H，F; Z 1至Z 3：-COO - ， - OCO-; b至d：0或1，b + c + d□1; B 1至B 12：烷基或烷氧基; R 7，R 8：H，F：