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    Liquid crystal composition and liquid crystal display device
    1.
    发明授权
    Liquid crystal composition and liquid crystal display device 有权
    液晶组成和液晶显示装置

    公开(公告)号：US06495219B1

    公开(公告)日：2002-12-17

    申请号：US09670687

    申请日：2000-09-28

    申请人： Hiroaki Fujita ,  Katsuyuki Murashiro ,  Etsuo Nakagawa

    发明人： Hiroaki Fujita ,  Katsuyuki Murashiro ,  Etsuo Nakagawa

    IPC分类号： C09K1930

    CPC分类号： C09K19/46 ,  C09K19/42 ,  Y10T428/10

    摘要： Liquid crystal compositions are disclosed which have low threshold voltage, small temperature dependence of the threshold voltage, high stability against heat and ultraviolet rays, and small frequency dependence of dielectric anisotropy (&Dgr;∈) at low temperature while fulfilling general characteristics required for STN mode materials, characterized by comprising the compound expressed by formula (1) wherein R1 represents alkyl having 1 to 10 carbon in which one methylene may be replaced by —O— or —CH═CH—; X1 and X2 each independently represents H or F.

    摘要翻译： 公开了具有低阈值电压，阈值电压的温度依赖性小，对热和紫外线的高稳定性以及低温下介电各向异性（DELTA）的小频率依赖性的液晶组合物，同时满足STN模式材料所需的一般特性 其特征在于包含由式（1）表示的化合物，其中R 1表示具有1至10个碳的烷基，其中一个亚甲基可被-O-或-CH = CH-取代; X1和X2各自独立地表示H或F.

    Liquid crystal composition and liquid crystal display element
    2.
    发明授权
    Liquid crystal composition and liquid crystal display element 失效
    液晶组成和液晶显示元件

    公开(公告)号：US06500502B1

    公开(公告)日：2002-12-31

    申请号：US09661787

    申请日：2000-09-14

    申请人： Hiroaki Fujita ,  Katsuyuki Murashiro ,  Etsuo Nakagawa

    发明人： Hiroaki Fujita ,  Katsuyuki Murashiro ,  Etsuo Nakagawa

    IPC分类号： C09K1930

    CPC分类号： C09K19/42 ,  C09K19/46 ,  Y10T428/10

    摘要： A liquid crystal composition having material properties for an STN mode, a low threshold voltage, a small temperature dependency thereat, a high stability to heat and ultraviolet rays, and a small frequency dependency of a dielectric anisotropy (&Dgr;&egr;) at a low temperature. The liquid crystal composition comprises a first component of the formula (1), and a second component selected from the general formulas (2-1) to (2-4), without any liquid crystalline compound having a dielectric anisotropy value (&Dgr;&egr;) of 5 or more and three or more six-membered rings, as another component: wherein R1 to R8, A1 to A5, Z1, m, n and X1 to X5 are defined in the specification.

    摘要翻译： 具有STN模式，低阈值电压，小温度依赖性，对于热和紫外线的高稳定性以及低温下介电各向异性（DELTAepsi）的频率依赖性小的液晶组合物。 液晶组合物包含式（1）的第一组分和选自通式（2-1）至（2-4）的第二组分，不含任何具有介电各向异性值（DELTAepsi）的液晶化合物 5个以上3个以上的6元环作为其他成分：其中，R1〜R8，A1〜A5，Z1，m，n，X1〜X5在说明书中规定。

    Liquid crystal composition and liquid crystal display device
    3.
    发明授权
    Liquid crystal composition and liquid crystal display device 失效
    液晶组成和液晶显示装置

    公开(公告)号：US5837161A

    公开(公告)日：1998-11-17

    申请号：US822688

    申请日：1997-03-24

    申请人： Yasuko Sekiguchi ,  Katsuyuki Murashiro ,  Fusayuki Takeshita ,  Tetsuya Matsushita ,  Etsuo Nakagawa

    发明人： Yasuko Sekiguchi ,  Katsuyuki Murashiro ,  Fusayuki Takeshita ,  Tetsuya Matsushita ,  Etsuo Nakagawa

    IPC分类号： G02F1/13 ,  C09K19/30 ,  C09K19/34 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K19/12

    CPC分类号： C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K2019/0448 ,  C09K2019/0451 ,  Y10T428/1005

    摘要： Liquid crystal compositions having a small value of .gamma. (V.sub.10 /V.sub.90) and a small .tau. (fast response speed) in order to cope especially with high speed response, while satisfying various characteristics required of STN display mode. These compositions comprise at least one compound expressed by formula (I) as a first component; expressed by any one of formulas (II-a) to (II-d) as a second component; and expressed by formula (III) or (IV) as a third component; and as a fourth component, a chiral component in the amount necessary for maintaining the ratio d/P of the cell thickness d (.mu.m) to the pitch length of twist P (.mu.m) in the range of 0.4 to 0.6 when the liquid crystal composition is used for liquid crystal display devices. ##STR1## wherein R.sup.1 to R.sup.9 represent an alkyl group having 1 to 10 carbon atoms; Z.sup.0 to Z.sup.4 represent, for example, --CH.sub.2 CH.sub.2 --; A.sup.1 to A.sup.4, B, C, E, and G independently represent, for example, 1,4-cyclohexylene or 1,4-phenylene; D represents 1,4-cyclohexylene or 1,3-pyrimidine-2,5-diyl; Q.sup.1 represents H or F; and q and m are independently 0 or 1.

    摘要翻译： 在满足STN显示模式所要求的各种特性的同时，为了特别应对高速响应，具有较小的伽马值（V10 / V90）和小的tau（快速响应速度）的液晶组合物。 这些组合物包含至少一种由式（I）表示的化合物作为第一组分; 由式（II-a）至（II-d）中的任一个表示作为第二组分; 并由式（III）或（IV）表示为第三组分; 作为第四成分，将液体厚度d（μm）的比d / P与捻数P（μm）的间距长度保持在0.4〜0.6的范围内所需的量的手性成分， 液晶组合物用于液晶显示装置。 （II-c）（II-c）（II-c）（II-c）（II-d）R6（B）Z2（C）R7（Ⅲ） R8（D）Z3（E）Z4（G）R9（IV）其中R1至R9表示具有1-10个碳原子的烷基; Z 0〜Z 4表示例如-CH 2 CH 2 - ; A1至A4，B，C，E和G独立地表示例如1,4-亚环己基或1,4-亚苯基; D代表1,4-亚环己基或1,3-嘧啶-2,5-二基; Q1表示H或F; q和m独立地为0或1。

    Liquid crystal composition and liquid crystal display element
    6.
    发明授权
    Liquid crystal composition and liquid crystal display element 失效
    液晶组成和液晶显示元件

    公开(公告)号：US5792387A

    公开(公告)日：1998-08-11

    申请号：US753679

    申请日：1996-11-27

    申请人： Norihisa Hachiya ,  Katsuyuki Murashiro ,  Tetsuya Matsushita ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    发明人： Norihisa Hachiya ,  Katsuyuki Murashiro ,  Tetsuya Matsushita ,  Fusayuki Takeshita ,  Etsuo Nakagawa

    IPC分类号： G02F1/13 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K19/06 ,  C09K19/12 ,  C09K19/30 ,  C09K19/52

    CPC分类号： C09K19/44 ,  C09K19/42 ,  C09K19/46 ,  C09K2019/0448 ,  C09K2019/0451

    摘要： A liquid crystal composition comprising, for example, a first component of the formula (1-2), a second component of the formula (2-a) and a third component of the formulas (3) and (4), the respective contents being 3 to 30%, 10 to 60% and 20 to 80%, each by weight, ##STR1## wherein R, R.sup.1, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each independently represent an alkyl group of C.sub.1-10 or an alkenyl group of C.sub.2-10 ; R.sup.7 represents an alkyl group, an alkenyl group or an alkoxymethyl group of C.sub.1-10 ; B.sup.1, C, D and J represent 1,4-cyclohexylene or 1,4-phenylene; E represents 1,4-cyclohexylene or pyrimidine-2,5-diyl; G represents 1,4-cyclohexylene or 1,4-phenylene wherein H at the lateral positions may be replaced by F; Z.sup.1 and Z.sup.6 represent --COO--, --C.sub.2 H.sub.4 -- or a single bond; and Z.sup.5 and Z.sup.7 represent --C--C-- or a single bond.

    摘要翻译： 一种液晶组合物，其包含例如式（1-2）的第一组分，式（2-a）的第二组分和式（3）和（4）的第三组分，各自的含量 （1-2）图像（2-a）R4（C）Z5（D）R5（3）R6（ E）Z6（G）Z7（J）R7（4）其中R，R1，R3，R4，R5和R6各自独立地表示C1-10的烷基或C2-10的烯基; R7表示C1-10的烷基，烯基或烷氧基甲基; B1，C，D和J表示1,4-亚环己基或1,4-亚苯基; E表示1,4-亚环己基或嘧啶-2,5-二基; G表示1,4-亚环己基或1,4-亚苯基，其中侧向位置的H可以被F代替; Z 1和Z 6表示-COO - ， - C 2 H 4 - 或单键; Z5和Z7表示-C-C-或单键。

    Liquid crystal composition and electro-optic display device
    7.
    发明授权
    Liquid crystal composition and electro-optic display device 失效
    液晶组成和电光显示装置

    公开(公告)号：US5776366A

    公开(公告)日：1998-07-07

    申请号：US741720

    申请日：1996-10-31

    申请人： Yoshitaka Tomi ,  Tetsuya Matsushita ,  Fusayuki Takeshita ,  Katsuyuki Murashiro ,  Etsuo Nakagawa

    发明人： Yoshitaka Tomi ,  Tetsuya Matsushita ,  Fusayuki Takeshita ,  Katsuyuki Murashiro ,  Etsuo Nakagawa

    IPC分类号： G02F1/13 ,  C09K19/02 ,  C09K19/30 ,  C09K19/46 ,  C09K19/58 ,  C09K19/52

    CPC分类号： C09K19/586 ,  C09K19/0208 ,  C09K19/3001 ,  C09K19/3003 ,  C09K19/46 ,  C09K2019/0444

    摘要： A chiral, nematic liquid crystal composition suitable to STN-LCD, having superior steepness, rapid response and being able to prevent occurrence of high order and low order domain of LCD, which composition contains as a first component, at least one compound expressed by the formula (1) ##STR1## as a second component, at least one compound expressed by the formula (2) ##STR2## and as a third component, at least one compound of benzonitrile group, ##STR3## and further having a chiral dopant as a fourth component. In the above formulas, R.sup.1 and R.sup.2 each represent a linear alkyl group of 1 to 10 carbon atoms, A and B each represent trans-1,4-cyclohexylene or 1,4-phenylene, and R.sup.3 represents a linear alkyl group of 1 to 10 carbon atoms, or a group wherein an optional --CH.sub.2 -- or two or more not adjacent --CH.sub.2 --s present in the above group are replaced by --O-- or --CH=CH--; X.sup.1 and X.sup.2 each independently represent H or F; C represents --COO--, --C.sub.2 H.sub.4 --, trans-1,4-cyclohexylene or 1,4-phenylene; and n represents 0 or 1, and as a fourth component, a chiral dopant in a quantity in which a ratio (d/p) of the thickness (d.mu.m) of a liquid crystal layer in a liquid crystal cell to be filled with the liquid crystal composition to the helical pitch thereof (p.mu.m) is 0.03 to 2.0.

    摘要翻译： 适用于STN-LCD的手性向列型液晶组合物，其具有优异的陡度，快速响应性并且能够防止LCD的高阶和低阶畴的发生，该组合物含有作为第一组分的至少一种化合物 式（1）作为第二组分的至少一种化合物作为第二组分，至少一种由式（2）表示的化合物（2）和作为第三组分的至少一种苄腈基化合物，＆lt; IMAGE＆gt; 3），并且还具有手性掺杂剂作为第四组分。 在上式中，R 1和R 2各自表示1〜10个碳原子的直链烷基，A和B各自表示反式-1,4-亚环己基或1,4-亚苯基，R3表示1〜 10个碳原子，或其中存在于上述基团中的任选的-CH 2 - 或两个或更多个不相邻的-CH 2 -S取代为-O-或-CH = CH-的基团; X1和X2各自独立地表示H或F; C表示-COO - ， - C 2 H 4 - ，反式-1,4-亚环己基或1,4-亚苯基; n表示0或1，作为第四成分的手性掺杂剂，其中液晶单元中待填充的液晶层的厚度（dμm）的比值（dμm） 液晶组合物的螺旋间距（μm）为0.03〜2.0。

    Liquid crystal composition and liquid crystal display device
    8.
    发明授权
    Liquid crystal composition and liquid crystal display device 失效
    液晶组成和液晶显示装置

    公开(公告)号：US5858271A

    公开(公告)日：1999-01-12

    申请号：US796885

    申请日：1997-02-07

    申请人： Yasuko Sekiguchi ,  Etsuo Nakagawa ,  Toyoshiro Isoyama ,  Tetsuya Matsushita ,  Katsuyuki Murashiro

    发明人： Yasuko Sekiguchi ,  Etsuo Nakagawa ,  Toyoshiro Isoyama ,  Tetsuya Matsushita ,  Katsuyuki Murashiro

    IPC分类号： C09K19/46 ,  C09K19/50 ,  C09K19/52 ,  C09K19/30 ,  C09K19/34

    CPC分类号： C09K19/50 ,  C09K19/46

    摘要： Liquid crystal compositions are disclosed which satisfy various characteristics required of liquid crystal compositions used for TN-LCD or STN-LCD display mode, have a low viscosity to cope with the response at a high speed, have a high clearing point to cope with the change in environmental temperature, and have a small dependency of the pitch length on temperature. The liquid crystal compositions comprise, as a first component, at least one liquid crystalline 4-substituted-benzonitrile having a positive dielectric anisotropy, as a second component, at least one liquid crystalline compound having a small positive or negative dielectric anisotropy, and as chiral component A, at least one optically active compound expressed by general formula (X-a) or (X-b) ##STR1## wherein R.sup.0 represents an alkyl group or alkoxy group having 1 to 10 carbon atoms, X represents a halogen atom or CN, and Y represents an alkyl group having 1 to 10 carbon atoms or hydrogen atom.

    摘要翻译： 公开了满足用于TN-LCD或STN-LCD显示模式的液晶组合物所需的各种特性的液晶组合物，具有低粘度以应对高速响应，具有高清亮度以应对变化 在环境温度下，具有很小的间距长度对温度的依赖性。 液晶组合物作为第一组分包含至少一种具有正介电各向异性的至少一种液晶4-取代 - 苄腈作为第二组分，至少一种具有小的正或负介电各向异性的液晶化合物和作为手性 （Xa）或（X​​b）表示的至少一种光学活性化合物（Xb）（Xb）其中R0表示具有1-10个碳原子的烷基或烷氧基，X表示 卤素原子或CN，Y表示碳原子数1〜10的烷基或氢原子。

    Method for chemically producing poly(N-alkylcarbazole) columnar structure
    9.
    发明授权
    Method for chemically producing poly(N-alkylcarbazole) columnar structure 有权
    化学生产聚（N-烷基咔唑）柱状结构的方法

    公开(公告)号：US08609796B2

    公开(公告)日：2013-12-17

    申请号：US13517616

    申请日：2012-06-14

    申请人： Katsuyoshi Hoshino ,  Takuya Tokuda ,  Katsuyuki Murashiro ,  Toshiki Komatsu

    发明人： Katsuyoshi Hoshino ,  Takuya Tokuda ,  Katsuyuki Murashiro ,  Toshiki Komatsu

    IPC分类号： C08F26/06

    CPC分类号： C08F126/06

    摘要： A novel nanosized or microsized material having electroconductivity that can be produced simply and in a large amount is provided. A method for producing a poly(N-alkylcarbazole) columnar structure having electroconductivity obtained by chemically polymerizing N-alkylcarbazole including alkyl having 1 to 4 carbons by adding an oxidizing agent to a solution obtained by dissolving the N-alkylcarbazole in a solvent is provided.

    摘要翻译： 提供了具有可以简单且大量生产的具有导电性的新型纳米尺寸或微尺寸材料。 提供了通过在通过将N-烷基咔唑溶解在溶剂中获得的溶液中加入氧化剂来制备具有导电性的聚（N-烷基咔唑）柱状结构的方法，该聚（N-烷基咔唑）柱状结构通过将包括具有1至4个碳的烷基的N-烷基咔唑化学聚合而获得的导电性。