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公开(公告)号：US5427714A
公开(公告)日：1995-06-27
申请号：US096848
申请日：1993-07-26
CPC分类号： C07D239/26 , C09K19/3463
摘要： A ferroelectric liquid crystal composition having a SC* phase and a light-switching element using the composition are provided, which composition comprises the following components, A, B and C, each in a specified proportion: Component A has the formula ##STR1## wherein ##STR2## R.sup.1 and R.sup.2 are same or different linear or branched alkyl, alkoxy or alkanoyloxy of 1-18C, X is H, halogen or CN, l, m and n are 0 or 1 and (l+m+n) is 1 or 2, and has smectic C phase;Component B has the formula ##STR3## wherein ##STR4## Y is H, halogen or CN, k is 0 or 1, R.sup.3 is linear or branched alkyl or alkoxy of 1-18C, and * is asymmetric C, and consists of optically active compounds having the same senses of Ps in SC* phase induced when dissolved in smectic C liquid crystal, to one another; andComponent C has the formula ##STR5## wherein ##STR6## Z is H, halogen or CN, R.sup.5 and R.sup.6 are same or different linear or branched alkyl or alkoxy of 1-18C R.sup.4 is 12-18C alkyl or 1-18C linear or branched alkoxy, and * is asymmetric C, and is an optically active compound having the same sense of Ps in SC* phase induced when dissolved in smectic C liquid crystal as that of the compound of component B.
摘要翻译： 提供具有SC *相的铁电液晶组合物和使用该组合物的光开关元件，该组成包含以下组分，A，B和C各自为特定比例：组分A具有式“IMAGE”（ A）其中R1和R2是1-18C的相同或不同的直链或支链烷基，烷氧基或烷酰氧基，X是H，卤素或CN，l，m和n是0或1，并且（1+ m + n）为1或2，具有近晶C相; 组分B具有式（B）其中
或CN，k为0或1，R3为1-18C的直链或支链烷基或烷氧基，*为不对称C，并由具有 在溶解在近晶C液晶中时，在SC *相中诱导的Ps的相同感觉; 并且组分C具有其中 的公式 （C） -
公开(公告)号：US5240638A
公开(公告)日：1993-08-31
申请号：US908854
申请日：1992-07-01
CPC分类号： C09K19/46 , C09K19/0225 , C09K19/3441
摘要： A ferroelectric liquid crystal composition comprising smectic liquid crystal composition(s) and optically active compounds and having a spontaneous polarization value of 20 nC cm.sup.-2 or less and nevertheless having high rate response properties, and a light-switching element are provided, which composition comprises the following components (A), (B), (C) and (D), in 76-95, 2-10, 1-6 and 2-8 wt.%, respectively, based on the total quantity of the 4 components:(A): at least one compound of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different, being 1-18C alkyl, or the formula ##STR2## wherein R.sup.3 and R.sup.4 are the same or different, being 1-18C alkyl or alkoxy and having smectic C phase:(B): an optically active compound of the formula ##STR3## wherein R.sup.5 is 1-18C alkyl or alkoxy, X is ##STR4## Y is halogen or H and * is asymmetric C atom; (C): at least one optically active compound of the formulas ##STR5## wherein R.sup.6 and R.sup.8 are 1-18C alkyl or alkoxy, R.sup.7 and R.sup.9 are 2-18C alkyl or alkoxy and * is an asymmetric C atom; and(D): at least on optically active compound formula ##STR6## wherein R.sup.10 is 1-18 C alkyl or alkoxy, Z is H or halogen and * is an asymmetric C atom.
摘要翻译： 提供了包含近晶型液晶组合物和光学活性化合物并且具有20nC cm -2以下的自发极化值并且具有高速率响应特性的铁电液晶组合物和光开关元件，该组成 包括以下组分（A），（B），（C）和（D），分别为76-95，2-10,1-6和2-8重量％，基于4 组分：（A）：至少一种式（I）的化合物，其中R 1和R 2相同或不同，为1-18C烷基或式（II），其中R 3和R 4为 相同或不同的是1-18C烷基或烷氧基并具有近晶C相：（B）：下式的光学活性化合物其中R5是1-18C烷基或烷氧基，X是Y 是卤素或H，*是不对称C原子; （IV）2a或图像（IV）中的至少一种光学活性化合物（IV-1a）图像（IV-1b） （IV-2b）其中R6和R8为1-18C烷基或烷氧基，R7和R9为2-18C烷基或烷氧基，*为不对称C原子; 和（D）：至少在光学活性化合物式“IMAGE”，1CHC2H5 + RE（V）其中R10为1-18C烷基或烷氧基，Z为H或卤素，*为不对称C原子。
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公开(公告)号：US5106531A
公开(公告)日：1992-04-21
申请号：US476878
申请日：1990-02-07
申请人： Katsuyuki Murashiro , Makoto Kikuchi , Mitsuyoshi Ichihashi , Kanetsugu Terashima , Masaharu Seki
发明人： Katsuyuki Murashiro , Makoto Kikuchi , Mitsuyoshi Ichihashi , Kanetsugu Terashima , Masaharu Seki
CPC分类号： C09K19/3458
摘要： The present invention provides a ferroelectric liquid crystal composition which can exhibit an S.sub.C * phase in an extensive temperature range inclusive of room temperature and which has quick response properties and a large tilt angle, and it also provides a switching element containing the above-mentioned ferroelectric liquid crystal composition and having excellent response properties.The present invention is connected with a ferroelectric liquid crystal composition comprising at least one component A and at least one component B described hereinafter, the content of said component A being from 30 to 95% by weight, the content of said component B being from 5 to 50% by weight,said component A being a compound represented by the formula (I) ##STR1## wherein R.sup.1 is an alkoxy group having 3 to 14 carbon atoms, k is an integer of 1 and R.sup.2 is an optically active group,said component B being a ferroelectric liquid crystal compound having a spontaneous polarization of 10 nCcm.sup.-2 or more.
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公开(公告)号：US5102576A
公开(公告)日：1992-04-07
申请号：US608739
申请日：1990-11-05
CPC分类号： C09K19/46 , C09K19/3441 , C09K19/42 , C09K19/44
摘要： A ferroelectric liquid crystal composition comprising achiral smectic liquid crystal compounds(s) and optically active compounds and, which composition comprises the following components A, B and C in 50-91%, 4-30% and 5-20%, each by weight, respectively:Component A: at least one of compounds of the formula (A) having smectic C phase ##STR1## R.sup.1 and R.sup.2 each are same or different, linear or branched alkyl, alkoxy or alkanoyloxy each of 1-18 C, X is H, halogen or CN, l, m and n each one 1 or 2 and the sum of l, m and n is 1 or 2,component B: at least one of optically active compounds of the formula (B): ##STR2## and component C: at least one of optically active compounds of the formula ##STR3## wherein each R.sup.3 and R.sup.5 is a linear or branched alkyl or alkoxy of 1-18C, each R.sup.4 and R.sup.6 is a linear or branched alkyl of 2-18C or a linear or branched alkoxy of 1-18C, each Y and Z is H, halogen or CN k is 0 or 1 and * is asymmetric C, the compounds having the same sense of Ps in chiral smectic C phase, induced when dissolved in smectic C liquid crystal.
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5.发明授权
公开(公告)号：US5294367A
公开(公告)日：1994-03-15
申请号：US881719
申请日：1992-05-12
摘要： A ferroelectric liquid crystal composition is provided exhibiting an Sc* phase over a wide temperature range including room temperature and having a spontaneous polarization value of 30 nC/cm.sup.2 or less and a quick response, time. An optical switching element comprising the ferroelectric liquid crystal composition is also provided. The ferroelectric liquid crystal composition comprises components A, B, C and D in respective amounts by weight of 75 to 95%, 3 to 9%, and 3 to 12% and 2 to 5% based on the total amount of these components and having a phase sequence series of an isotropic liquid, a cholesteric phase, a smectic A phase and a chiral smectic C phase in that order from the high temperature side and a spontaneous polarization value of 30 nC/cm.sup.2 or less.The component A is at least one compound selected from the group consisting of compounds represented by the general formulae: ##STR1## The component B is at least one compound selected from the group consisting of compounds represented by the general formulae: ##STR2## The component C is at least one compound selected from the group consisting of compounds represented by the general formula: ##STR3## In the above formulae, R.sup.1 to R.sup.10, X, m, n and * are as defined in the claims.
摘要翻译： 提供一种铁电液晶组合物，其在包括室温的宽温度范围内具有30nC / cm 2以下的自发极化值和快速响应时间的Sc *相。 还提供了包括铁电液晶组合物的光学开关元件。 所述强电介质液晶组合物包含组分A，B，C和D各自的量为75至95％，3至9％，3至12％和2至5％，基于这些组分的总量，并具有 各向同性液体，胆甾醇相，近晶A相和手性近晶C相的相序列，从高温侧开始，自发极化值为30nC / cm 2以下。 组分A是选自由以下通式表示的化合物中的至少一种化合物：（*化学结构*）和（*化学结构*）组分B是至少一种选自化合物 通式：（*化学结构*）（*化学结构*）和（*化学结构*）（*化学结构*）组分C是选自由通式 （*化学结构*）在上式中，R 1至R 10，X，m，n和*如权利要求中所定义。
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6.发明授权
公开(公告)号：US5188761A
公开(公告)日：1993-02-23
申请号：US505154
申请日：1990-04-05
摘要： A ferroelectric liquid crystal composition, exhibiting an Sc* phase over a wide temperature range including room temperature and having a spontaneous polarization value of 30 nc/cm.sup.2 or less and a quick response time, is provided. An optical switching element, comprising the ferroelectric liquid crystal composition, is also provided. The ferroelectric liquid crystal composition comprises three components A, B and C in respective amount by weight of 75 to 95%, 3 to 9% and 3 to 12% based on the total amount of these components and having a phase sequence series of Iso-N*-Sa-Sc*. Component A is at least one compound selected from the group consisting of the compounds represented by the general formulae: ##STR1## The component B is at least one compound selected from the group consisting of compounds represented by the general formulae: ##STR2## The component C is at least one compound selected from the group consisting of compounds represented by the general formulae: ##STR3## In the above formulae, R.sup.1 to R.sup.10, X, m, n and * are as defined in the claims.
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7.发明授权
公开(公告)号：US5658492A
公开(公告)日：1997-08-19
申请号：US592879
申请日：1996-01-24
申请人： Katsuyuki Murashiro , Eiji Okabe , Makoto Kikuchi , Mayumi Tanabe , Masatoshi Fukushima , Shinichi Saito , Hitoshi Takeda , Makoto Shiomi , Takashi Kaneko , Motonari Matsuki , Mitsuhiro Koden
发明人： Katsuyuki Murashiro , Eiji Okabe , Makoto Kikuchi , Mayumi Tanabe , Masatoshi Fukushima , Shinichi Saito , Hitoshi Takeda , Makoto Shiomi , Takashi Kaneko , Motonari Matsuki , Mitsuhiro Koden
IPC分类号： C07D213/26 , C07D213/30 , C07D285/12 , C09K19/02 , C09K19/34 , C09K19/42 , C09K19/46 , G02F1/13 , G02F1/141 , G09G3/36
CPC分类号： C09K19/0225 , C09K19/34 , G09G3/3629 , G02F1/1416 , G09G2310/06
摘要： A composition containing a smectic C compound, having a .DELTA..epsilon. of negative value and enabling to effect a high speed response; a ferroelectric chiral smectic C liquid crystal composition using the same; and a ferroelectric liquid crystal display device using the ferroelectric chiral smectic C liquid crystal composition are provided,which composition containing a smectic C compound comprises at least one compound expressed by the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 each represent different linear alkyl groups of 1 to 9 C, andat least one compound-expressed by the formula (II) ##STR2## wherein R.sup.3 and R.sup.4 each represent the same or different linear alkyl groups of 1 to 18 C and X is H or F.
摘要翻译： 含有层状C化合物的组合物，其具有负值的DELTAε并能够实现高速响应; 使用其的铁电手性近晶C液晶组合物; 提供了使用铁电手性近晶C液晶组合物的铁电液晶显示装置，含有近晶C化合物的组合物包含至少一种式（I）表示的化合物，其中R1和R2各自表示 1至9个C的不同直链烷基和至少一种由式（II）表示的化合物，其中R 3和R 4各自表示相同或不同的1至18个碳原子的直链烷基，X为 H或F.
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8.发明授权
公开(公告)号：US5529717A
公开(公告)日：1996-06-25
申请号：US269017
申请日：1994-06-30
申请人： Katsuyuki Murashiro , Eiji Okabe , Makoto Kikuchi , Mayumi Tanabe , Masatoshi Fukushima , Shinichi Saito , Hitoshi Takeda , Makoto Shiomi , Takashi Kaneko , Motonari Matsuki , Mitsuhiro Koden
发明人： Katsuyuki Murashiro , Eiji Okabe , Makoto Kikuchi , Mayumi Tanabe , Masatoshi Fukushima , Shinichi Saito , Hitoshi Takeda , Makoto Shiomi , Takashi Kaneko , Motonari Matsuki , Mitsuhiro Koden
IPC分类号： C07D213/26 , C07D213/30 , C07D285/12 , C09K19/02 , C09K19/34 , C09K19/42 , C09K19/46 , G02F1/13 , G02F1/141 , G09G3/36
CPC分类号： C09K19/0225 , C09K19/34 , G09G3/3629 , G02F1/1416 , G09G2310/06
摘要： A composition containing a smectic C compound, having a .DELTA..epsilon. of negative value and enabling to effect a high speed response; a ferroelectric chiral smectic C liquid crystal composition using the same; and a ferroelectric liquid crystal display device using the ferroelectric chiral smectic C liquid crystal composition are provided,which composition containing a smectic C compound comprises at least one compound expressed by the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 each represent different linear alkyl groups of 1 to 9 C, andat least one compound expressed by the formula (II) ##STR2## wherein R.sup.3 and R.sup.4 each represent the same or different linear alkyl groups of 1 to 18 C and X is H or F.
摘要翻译： 含有层状C化合物的组合物，其具有负值的DELTAε并能够实现高速响应; 使用其的铁电手性近晶C液晶组合物; 提供了使用铁电手性近晶C液晶组合物的铁电液晶显示装置，含有近晶C化合物的组合物包含至少一种式（I）表示的化合物，其中R1和R2各自表示 1至9个C的不同直链烷基和至少一种由式（II）表示的化合物（II），其中R 3和R 4各自表示相同或不同的直链烷基为1至18个碳原子并且X为H 或F.
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公开(公告)号：US5316694A
公开(公告)日：1994-05-31
申请号：US36882
申请日：1993-03-25
IPC分类号： C09K19/42 , C09K19/02 , C09K19/20 , C09K19/46 , G02F1/13 , C09K19/34 , C09K19/12 , C09K19/52
CPC分类号： C09K19/0266 , C09K19/2021 , C09K19/46
摘要： An antiferroelectric liquid crystal composition comprising a first component comprising at least one compound expressed by the formula (I) and exhibiting no antiferroelectric phase, and a second component comprising at least one compound expressed by the formula (II) and exhibiting an antiferroelectric phase, the contents of the first component and the second component being respectively 1 to 40% and 60 to 99%, based upon the total weight of the two components: ##STR1## wherein in the formula (I), R.sup.1 is 1-18C linear alkyl or alkoxy; R.sup.2 is 1-18C alkyl or alkoxy; k, l, m and n are 0 or 1; (k+l) and (m+n) are 1 or 2, (k+l)+(m+n) are 2 or 3; X is --OCH.sub.2 --, --CH.sub.2 O--, --COO--, --OCO-- or single bond; 6-membered rings A, B, C and D are 1,4-phenylene, pyridine-2,5-diyl, pyrimidine-2,5-diyl, pyrazine-2,5-diyl or pyridazine-3,6-diyl, one of the side-positioned hydrogen atoms of which may be replaced by halogen atom or CN, andin the formula (II), R.sup.3 is 1-18C linear alkyl or alkoxy; R.sup.4 is 2-18C alkyl or alkoxy; p, q, t and u are 0 or 1; (p+q) and (t+u) each are 1 or 2; (p+q)+(t+u) are 2 or 3; j is 0 or 1; Z is --COO--, --OCO--, --OCH.sub.2 --, --CH.sub.2 O--or single bond; Y is --CH.sub.3 ; 6-membered rings E, F, G and H are 1,4-phenylene, pyridine-2,5-diyl, pyrimidine-2,5-diyl, pyrazine-2,5-diyl or pyridazine-3,6-diyl; * shows asymmetric carbon atom.An antiferroelectric liquid crystal composition having the threshold voltage lowered at the time of transition from the antiferroelectric phase to ferroelectric phase accompanying the electric field impression in the antiferroelectric phase is provided, and a light-switching element which has a good contrast and can effect a tristable switching is obtained using the above composition.
摘要翻译： 一种反铁电液晶组合物，其包含包含至少一种由式（I）表示的化合物并且不显示反铁电相的第一组分和包含至少一种由式（II）表示的化合物并显示出反铁电相的第二组分， 基于两种组分的总重量，第一组分和第二组分的含量分别为1至40％和60至99％：其中在式（I）中， R1是1-18C直链烷基或烷氧基; R2为1-18C烷基或烷氧基; k，l，m和n分别为0或1; （k + 1）和（m + n）为1或2，（k + 1）+（m + n）为2或3; X是-OCH 2 - ， - CH 2 O - ， - COO - ， - OCO-或单键; 6元环A，B，C和D是1,4-亚苯基，吡啶-2,5-二基，嘧啶-2,5-二基，吡嗪-2,5-二基或哒嗪-3,6-二基， 其中一个侧面定位的氢原子可以被卤素原子或CN代替，而在式（II）中，R 3是1-18个直链烷基或烷氧基; R4是2-18C烷基或烷氧基; p，q，t和u分别为0或1; （p + q）和（t + u）分别为1或2; （p + q）+（t + u）为2或3; j为0或1; Z是-COO - ， - OCO - ， - OCH 2 - ， - CH 2 O-或单键; Y为-CH 3; 6元环E，F，G和H是1,4-亚苯基，吡啶-2,5-二基，嘧啶-2,5-二基，吡嗪-2,5-二基或哒嗪-3,6-二基; *表示不对称碳原子。 提供了一种反铁电液晶组合物，该反铁电液晶组合物在反铁电相中随着电场印模而从反铁电相转变为铁电相时具有降低的阈值电压，并且具有良好的对比度并且可以实现三重态的光开关元件 使用上述组成获得切换。
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10.发明授权公开(公告)号：US08609796B2
公开(公告)日：2013-12-17
申请号：US13517616
申请日：2012-06-14
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。
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