公开(公告)号：US5389287A

公开(公告)日：1995-02-14

申请号：US90820

申请日：1993-07-13

申请人： Shinichi Nishiyama ,  Mitsuko Nagai ,  Hideo Hama ,  Tooru Yamanaka

发明人： Shinichi Nishiyama ,  Mitsuko Nagai ,  Hideo Hama ,  Tooru Yamanaka

IPC分类号： C09K19/02 ,  C09K19/32 ,  C09K19/42 ,  C09K19/54 ,  C09K19/52 ,  G02F1/13

CPC分类号： C09K19/0266 ,  C09K19/322 ,  C09K19/42 ,  C09K19/544 ,  C09K2019/325 ,  C09K2019/326

摘要： An antiferroelectric liquid crystal composite material comprising an organic polymer and an antiferroelectric liquid crystal material, both being in the dispersed state; a process for preparing a liquid crystal element including a step of mixing an organic polymer and an antiferroelectric liquid crystal material; and a liquid crystal element having such a structure that the above-mentioned antiferroelectric liquid crystal composite material is sandwiched between a pair of electrodes are provided. According to the present invention, there can be obtained a liquid crystal element which is available at a low price, quick in the electrooptical response, free from occurrence of switching failure and is able to make a large display screen.

摘要翻译： 包含分散状态的有机聚合物和反铁电液晶材料的反铁电液晶复合材料; 一种制备液晶元件的方法，包括混合有机聚合物和反铁电液晶材料的步骤; 以及具有上述反铁电液晶复合材料夹在一对电极之间的结构的液晶元件。 根据本发明，可以获得一种液晶元件，其以低价格可用，电光响应快，不发生开关故障，并且能够制作大的显示屏。

公开(公告)号：US5352379A

公开(公告)日：1994-10-04

申请号：US894659

申请日：1992-06-05

申请人： Shinichi Nishiyama ,  Hideo Hama ,  Tooru Yamanaka ,  Yukio Miyachi

发明人： Shinichi Nishiyama ,  Hideo Hama ,  Tooru Yamanaka ,  Yukio Miyachi

IPC分类号： C09K19/20 ,  C09K19/02 ,  C09K19/22 ,  C09K19/30 ,  C09K19/32 ,  C09K19/42 ,  C09K19/46 ,  G02F1/13 ,  C09K19/12

CPC分类号： C09K19/0266 ,  C09K19/322 ,  C09K19/46 ,  C09K2019/325

摘要： The liquid crystal composition of the present invention comprises 1-99 wt. % of an antiferroelectric liquid crystal compound such as a compound represented by the following formula [A-8] and 99-1 wt. % of a cholesteric liquid crystal compound such as a compound represented by the following formula [B-2]. ##STR1## By the use of the liquid crystal composition of the invention, a liquid crystal element improved in liquid crystal properties such as contrast can be prepared.

摘要翻译： 本发明的液晶组合物包含1-99重量％ ％的反铁电液晶化合物，例如由下式[A-8]表示的化合物和99-1重量％ ％的由下式[B-2]表示的化合物的胆甾醇型液晶化合物。 通过使用本发明的液晶组合物，可以制备提高液晶性能如对比度的液晶元件。图像A [8] [B-2]

公开(公告)号：US5356561A

公开(公告)日：1994-10-18

申请号：US813032

申请日：1991-12-24

申请人： Toyoji Shimizu ,  Shinichi Nishiyama ,  Nobuyuki Doi ,  Shoichi Miyakoshi ,  Tooru Yamanaka ,  Katsuo Taniguchi ,  Hideo Hama

发明人： Toyoji Shimizu ,  Shinichi Nishiyama ,  Nobuyuki Doi ,  Shoichi Miyakoshi ,  Tooru Yamanaka ,  Katsuo Taniguchi ,  Hideo Hama

IPC分类号： C07C69/757 ,  C07C69/773 ,  C07C69/90 ,  C09K19/02 ,  C09K19/32 ,  C07C69/76

CPC分类号： C09K19/0266 ,  C07C69/757 ,  C07C69/90 ,  C09K19/322 ,  C09K2019/325

摘要： In accordance with the present invention, there are provided carboxylate compounds represented by the following formula [A] and liquid crystal material comprising said compounds ##STR1## wherein R is a group selected from the group consisting of alkyl, alkoxy and halogenated alkyl group of 3-20 carbon atoms, X and Y represent each a group selected from the group consisting of --COO--, --OCO--, --CH.sub.2 CH.sub.2 --, --CH.sub.2 O--, --OCH.sub.2 --, --S--S--, ##STR2## or a single bond, A and B represent each a group selected from the group consisting of specific divalent aromatic and alicyclic group such as phenylene, cyclohexylene and tetrahydronaphthalene and R* is an optically active group of 4-20 carbon atoms containing at least one asymmetric carbon atom (hydrogen atoms attached to the carbon atoms of said optically active group may be substituted with halogen atoms), and m and n are each an integer of 0-2, with the proviso that both m and n do not become 0 at the same time.

摘要翻译： 根据本发明，提供由下式[A]表示的羧酸酯化合物和包含所述化合物[A]的液晶材料，其中R是选自烷基，烷氧基和卤代烷基 3-20个碳原子的基团，X和Y各自表示选自-COO - ， - OCO - ， - CH 2 CH 2 - ， - CH 2 O - ， - OCH 2 - ，-SS-，或 单键，A和B分别表示选自亚苯基，亚环己基和四氢萘中的特定二价芳族和脂环族的基团，R *是含有至少一个不对称碳原子的4-20个碳原子的光学活性基团 （与所述光学活性基团的碳原子连接的氢原子可以被卤素原子取代），m和n分别为0-2的整数，条件是m和n两者不同时成为0 。

公开(公告)号：US5246622A

公开(公告)日：1993-09-21

申请号：US731978

申请日：1991-07-18

申请人： Toyoji Shimizu ,  Katsuo Taniguchi ,  Shinichi Nishiyama ,  Shoichi Miyakoshi ,  Tooru Yamanaka ,  Nobuyuki Doi ,  Hideo Hama

发明人： Toyoji Shimizu ,  Katsuo Taniguchi ,  Shinichi Nishiyama ,  Shoichi Miyakoshi ,  Tooru Yamanaka ,  Nobuyuki Doi ,  Hideo Hama

IPC分类号： C09K19/02 ,  C09K19/28 ,  C09K19/30 ,  C09K19/32

CPC分类号： C09K19/0266 ,  C09K19/28 ,  C09K19/3068 ,  C09K19/322 ,  C09K2019/325

摘要： The liquid crystal racemic mixture of the invention is represented by the formula [I]:Z--(X.A).sub.m (Y.B).sub.n COOR.sup.1 [I]wherein R1 is a specific group of alkyl, alkoxy or halogenated alkyl, X and Y are either one of the following group: --COO--, --OCO--, --CH.sub.2 CH.sub.2 --, --CH.sub.2 O--, --OCH.sub.2 --, --COCH.sub.2 --, --CH.sub.2 CO-- and --S--S--, or a single bond, A and B are each a specific bivalent group such as 1,4-phenylene group, Z is a group selected from the group consisting of ##STR1## (wherein R.sub.2 is an alkyl group, an alkoxy group or a halogenated alkyl group), and m and n are an integer of 0 to 2 (m and N not being simultaneously 0). The liquid crystal composition of the invention comprises the racemic mixture as described above. Moreover, the liquid crystal element of the invention comprises a liquid crystal material containing the liquid crystal racemic mixture as described above.

公开(公告)号：US5725798A

公开(公告)日：1998-03-10

申请号：US438036

申请日：1995-05-08

申请人： Yuuichirou Tatsuki ,  Shinichi Nishiyama ,  Junichi Kawabata ,  Tooru Yamanaka ,  Chiho Tanaka

发明人： Yuuichirou Tatsuki ,  Shinichi Nishiyama ,  Junichi Kawabata ,  Tooru Yamanaka ,  Chiho Tanaka

IPC分类号： C07C69/757 ,  C07C69/76 ,  C07C69/773 ,  C07C69/92 ,  C07C69/94 ,  C09K19/32 ,  C09K19/34 ,  G02F1/13

CPC分类号： C09K19/322 ,  C07C69/757 ,  C07C69/76 ,  C07C69/92 ,  C07C69/94 ,  C09K19/3463 ,  C09K2019/325

摘要： There is provided a carboxylic acid compound represented by the following formulae (I) to (IV): ##STR1## a liquid crystal material consisting of the carboxylic acid ester compound, a liquid crystal composition comprising the carboxylic acid ester compound, and a liquid crystal element using the carboxylic acid ester compound. There can be obtained advantages such as low operating temperature, high speed switching, very small electric power consumption, and high-stable contrast.

摘要翻译： 提供由下式（I）至（IV）表示的羧酸化合物：（I）由（Ⅳ）表示的液体材料 羧酸酯化合物，含有羧酸酯化合物的液晶组合物和使用羧酸酯化合物的液晶元件。 可以获得低工作温度，高速切换，电力消耗非常小，对比度高的优点。

公开(公告)号：US5141668A

公开(公告)日：1992-08-25

申请号：US347750

申请日：1989-05-05

申请人： Shinichi Nishiyama ,  Hideo Yamaoka ,  Tooru Yamanaka

发明人： Shinichi Nishiyama ,  Hideo Yamaoka ,  Tooru Yamanaka

IPC分类号： G02F1/13 ,  C07C69/94 ,  C09K19/32 ,  G02F1/137

CPC分类号： C09K19/322

摘要： A naphthalene compound having the following formula (I) and a liquid crystal composition containing the same: ##STR1## wherein X represents a hydrogen atom or a halogen atom, Y and Z independently represent a monovalent group selected from the group consisting of ##STR2## wherein W represents a hydrogen atom or a halogen atom, R represents an alkyl group having 6 to 18 carbon atoms, provided that Y and/or Z represent the alkyl group, which is an optically active group including an asymmetric carbon having the following formula (II): ##STR3## wherein A is a group or atom selected from the group consisting of alkyl groups, alkoxy groups, halogen atoms and fluoroalkyl groups, n is an integer of 0 to 3, m is an integer of 3 to 6, and *C represents an asymmetric carbon.

公开(公告)号：US5776365A

公开(公告)日：1998-07-07

申请号：US479213

申请日：1995-06-07

申请人： Yuuichirou Tatsuki ,  Shinichi Nishiyama ,  Junichi Kawabata ,  Tooru Yamanaka ,  Chiho Tanaka

发明人： Yuuichirou Tatsuki ,  Shinichi Nishiyama ,  Junichi Kawabata ,  Tooru Yamanaka ,  Chiho Tanaka

IPC分类号： C07C69/757 ,  C07C69/76 ,  C07C69/773 ,  C07C69/92 ,  C07C69/94 ,  C09K19/32 ,  C09K19/34

CPC分类号： C09K19/322 ,  C07C69/757 ,  C07C69/76 ,  C07C69/92 ,  C07C69/94 ,  C09K19/3463 ,  C09K2019/325

摘要： There is provided a carboxylic acid compound represented by the following formulae (I) to (IV): ##STR1## a liquid crystal material consisting of the carboxylic acid ester compound, a liquid crystal composition comprising the carboxylic acid ester compound, and a liquid crystal element using the carboxylic acid ester compound. There can be obtained advantages such as low operating temperature, high speed switching, very small electric power consumption, and high-stable contrast.

摘要翻译： 提供由下式（I）至（IV）表示的羧酸化合物：（I）由（Ⅳ）表示的液体材料 羧酸酯化合物，含有羧酸酯化合物的液晶组合物和使用羧酸酯化合物的液晶元素。 可以获得低工作温度，高速切换，电力消耗非常小，对比度高的优点。

公开(公告)号：US5294366A

公开(公告)日：1994-03-15

申请号：US758413

申请日：1991-09-04

申请人： Toyozi Shimizu ,  Hideo Yamaoka ,  Shinichi Nishiyama ,  Shoichi Miyakoshi ,  Tooru Yamanaka ,  Nobuyuki Doi

发明人： Toyozi Shimizu ,  Hideo Yamaoka ,  Shinichi Nishiyama ,  Shoichi Miyakoshi ,  Tooru Yamanaka ,  Nobuyuki Doi

IPC分类号： C09K19/32 ,  C07C69/76 ,  C09K19/20 ,  G02F1/13

CPC分类号： C09K19/322

摘要： In accordance with the present invention, there are provided carboxylate compounds and liquid compositions thereof represented by the following formula (A) ##STR1## wherein R.sup.1 represents one group selected from the group consisting of alkyl group having 6 to 18 carbon atoms, alkoxy group having 6 to 18 carbon atoms and halogenated alkyl group of 6 to 18 carbon atoms, C* represents an asymmetric carbon atom, and R.sup.2 represents a group represented by the following formula (A)--(CH.sub.2).sub.m --CH.sub.3 or (B)--(CH.sub.2).sub.n --COOR.sub.3 wherein m represents an integer of 2 to 6, n represents an integer of 0 to 5, and R.sup.3 represents alkyl group having 1 to 10 carbon atoms.

摘要翻译： 根据本发明，提供了由下式（A）表示的羧酸酯化合物及其液体组合物（*化学结构*）（A），其中R 1表示选自6至18个 碳原子数为6〜18的烷氧基，碳原子数为6〜18的卤代烷基，C *表示不对称碳原子，R2表示由下式（A）表示的基团 - （CH2）m-CH3 或（B） - （CH 2）n -COOR 3，其中m表示2至6的整数，n表示0至5的整数，并且R 3表示具有1至10个碳原子的烷基。

公开(公告)号：US5053164A

公开(公告)日：1991-10-01

申请号：US496033

申请日：1990-03-20

申请人： Shinichi Nishiyama ,  Hideo Yamaoka ,  Tooru Yamanaka ,  Tohru Yamada

发明人： Shinichi Nishiyama ,  Hideo Yamaoka ,  Tooru Yamanaka ,  Tohru Yamada

IPC分类号： C09K19/32

CPC分类号： C09K19/322

摘要： In accordance with the present invention, there is provided substituted naphthalene compounds represented by the following formula [I]. ##STR1## wherein R.sup.1 represents alkyl of 1-18 carbon atoms, R.sup.2 represents alkyl of 1-18 carbon atoms, X is a group represented by --OCH.sub.2 -- or --CH.sub.2 CH.sub.2 --, and n is 0 or 1.In accordance with the invention, moreover, there is provided liquid crystal compositions containing the substituted naphthalene compounds represented by the above-mentioned formula [I].

公开(公告)号：US4943651A

公开(公告)日：1990-07-24

申请号：US318560

申请日：1989-03-03

申请人： Shinichi Nishiyama ,  Hideo Yamaoka ,  Tooru Yamanaka ,  Tohru Yamada

发明人： Shinichi Nishiyama ,  Hideo Yamaoka ,  Tooru Yamanaka ,  Tohru Yamada

IPC分类号： C09K19/32

CPC分类号： C09K19/322

摘要： In accordance with the present invention, there is provided substituted naphthalene compounds represented by the following formula [I]. ##STR1## wherein R.sup.1 represents alkyl of 1-18 carbon atoms, R.sup.2 represents alkyl of 1-18 carbon atoms, X is a group represented by --OCH.sub.2 -- or --CH.sub.2 CH.sub.2 --, and n is 0 or 1.In accordance with the invention, moreover, there is provided liquid crystal compositions containing the substituted naphthalene compounds represented by the above-mentioned formula [I].