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1. 发明授权

US5674575A Liquid crystal aligning film and liquid crystal display device using it 失效
标题翻译：液晶取向膜和液晶显示装置使用它
公开(公告)号：US5674575A
公开(公告)日：1997-10-07
申请号：US423728
申请日：1995-04-18
申请人： Yukino Abe , Shizuo Murata
发明人： Yukino Abe , Shizuo Murata
IPC分类号： C08G73/10 , C08J5/18 , G02F1/1337 , C09K19/00
CPC分类号： C08J5/18 , C08G73/105 , G02F1/133723 , C08J2379/08 , Y10T428/1018 , Y10T428/1027 , Y10T428/31721
摘要： The present invention provides a liquid crystal aligning film containing as the principal constituent a polyimide resin, which comprises two or more diamines, and having a stripping load of 4.0 gf or more measured by particular conditions, and a liquid crystal display device using it. The liquid crystal aligning film has excellent resistance to liquid crystals, and does not have partial disorder of liquid crystal alignment caused by many scratches made by rubbing treatment.
摘要翻译：本发明提供一种液晶取向膜以及使用该液晶取向膜的液晶显示装置，所述液晶取向膜包含两种或更多种二胺，并且通过特定条件测定剥离负载为4.0gf以上的聚酰亚胺树脂。液晶取向膜对液晶具有优异的耐性，并且由于通过摩擦处理造成的许多划痕而不会产生部分液晶取向紊乱。

2. 发明授权

US5447759A Liquid crystal alignment film and liquid crystal display element 失效
标题翻译：液晶取向膜和液晶显示元件
公开(公告)号：US5447759A
公开(公告)日：1995-09-05
申请号：US245630
申请日：1994-05-18
申请人： Shizuo Murata , Masaharu Hayakawa , Yukino Abe
发明人： Shizuo Murata , Masaharu Hayakawa , Yukino Abe
IPC分类号： C08K5/18 , C08K5/34 , C08K5/46 , C08L79/08 , G02F1/133 , G02F1/1337
CPC分类号： G02F1/133723 , Y10T428/1023 , Y10T428/31721
摘要： A liquid crystal alignment film and a liquid crystal display element are provided, according to which a phenomenon of afterimage is slight in the case of liquid crystal display elements of TN mode or STN mode, while a problem of printing phenomenon is solved and a good memory characteristic is obtained in the case of ferroelectric liquid crystal display elements,the liquid crystal alignment film and the liquid crystal display element being characterized in that at least one kind of compounds expressed by the following formula (2) or (3) is added into a liquid crystal alignment film consisting of a polyimide expressed by the following formula (1): ##STR1##
摘要翻译：提供液晶取向膜和液晶显示元件，根据该液晶取向膜和液晶显示元件，在TN模式或STN模式的液晶显示元件的情况下，残像现象很小，同时解决了打印现象的问题和良好的存储器在铁电液晶显示元件的情况下获得特征，液晶取向膜和液晶显示元件的特征在于，将至少一种由下式（2）或（3）表示的化合物加入到（1）＆lt; IMAGE＆gt;（2）＆lt; IMAGE＆gt;（3）由下述式（1）表示的聚酰亚胺构成的液晶取向膜：

3. 发明授权

US5523128A Liquid crystal display device 失效
标题翻译：液晶显示装置
公开(公告)号：US5523128A
公开(公告)日：1996-06-04
申请号：US314351
申请日：1994-09-28
申请人： Nobuyuki Itoh , Masami Kido , Shizuo Murata , Yukino Abe
发明人： Nobuyuki Itoh , Masami Kido , Shizuo Murata , Yukino Abe
IPC分类号： C08G73/10 , G01N27/30 , G02F1/1337 , G02F1/141
CPC分类号： C08G73/105 , G01N27/307 , G02F1/133723 , G02F1/1416 , Y10T428/1014 , Y10T428/1023
摘要： A liquid crystal display device comprises a pair of substrates, a transparent electrode formed on each of the substrates, an orientation film covering the transparent electrode and a liquid crystal sealedly sandwiched between the pair of substrates, wherein the orientation film comprises a polyimide which is formed by a condensation polymerization of 2,2-bis[4-(4-aminophenoxy)phenyl]propane as an amine component and 1,2,4,5-benzenetetracarboxylic dianhydride as an carboxylic acid component, and is subjected to a uniaxial orientation treatment, and the liquid crystal has a smectic layer structure with its bending direction which is aligned with the direction of the uniaxial orientation treatment.
摘要翻译：液晶显示装置包括一对基板，形成在每个基板上的透明电极，覆盖透明电极的取向膜和密封地夹在该对基板之间的液晶，其中定向膜包括形成的聚酰亚胺通过作为胺成分的2,2-双[4-（4-氨基苯氧基）苯基]丙烷和作为羧酸成分的1,2,4,5-苯四甲酸二酐的缩聚反应，进行单轴取向处理液晶具有与单轴取向处理方向对齐的弯曲方向的近晶层结构。

4. 发明授权

US5501884A Diamino compounds and their production method and liquid crystal alignment layers using the compounds 失效
标题翻译：二氨基化合物及其制备方法和使用该化合物的液晶取向层
公开(公告)号：US5501884A
公开(公告)日：1996-03-26
申请号：US295457
申请日：1994-08-25
申请人： Minoru Nakayama , Toshiya Sawai , Masaharu Hayakawa , Shizuo Murata , Yukino Abe
发明人： Minoru Nakayama , Toshiya Sawai , Masaharu Hayakawa , Shizuo Murata , Yukino Abe
IPC分类号： C07C211/50 , C07C211/52 , C08G73/10 , G02F1/1337 , C07C211/54 , C08G69/26
CPC分类号： C07C211/50 , C07C211/52 , C08G73/10 , G02F1/133723 , C07C2101/14 , Y10T428/1023 , Y10T428/31721
摘要： The present invention is to provide diamino compounds useful to polyamide raw materials for production of liquid crystal alignment layers having excellent voltage holding ratios without development of image-sticking phenomena, a method for producing the compounds and liquid crystal display devices equipping the liquid crystal alignment layers.The Diamino compounds are represented by the general formula (1): ##STR1## wherein R indicates hydrogen or an alkyl group having 1 to 8 carbon atoms, further, X, Y and Z indicate hydrogen, an alkyl group having 1 to 3 carbon atoms or fluorine, respectively, and a part or all of them may be the same or different, and the positions of these substitutive groups may be ortho positions or meta positions.
摘要翻译：本发明提供可用于生产具有优异的电压保持率的液晶取向层的聚酰胺原料的二氨基化合物而不产生图像粘附现象，该化合物的制备方法和装配液晶取向层的液晶显示装置。二氨基化合物由通式（1）表示：其中R表示氢或具有1至8个碳原子的烷基，另外X，Y和Z表示氢，烷基具有1至 3个碳原子或氟，其一部分或全部可以相同或不同，这些取代基的位置可以是邻位或间位。

5. 发明授权

US5432256A Liquid crystal aligning films and liquid crystal display devices 失效
标题翻译：液晶取向膜和液晶显示装置
公开(公告)号：US5432256A
公开(公告)日：1995-07-11
申请号：US71989
申请日：1993-06-07
申请人： Yukino Abe , Minoru Nakayama , Shizuo Murata
发明人： Yukino Abe , Minoru Nakayama , Shizuo Murata
IPC分类号： C08G73/10 , G02F1/1337
CPC分类号： C08G73/106 , C08G73/10 , G02F1/133723 , Y10T428/1014 , Y10T428/1023 , Y10T428/1027 , Y10T428/31721
摘要： The present invention provides a liquid crystal aligning film having a reduced after image and a good liquid crystal aligning property caused by a rubbing treatment of a thin film consisting of organics, and its liquid crystal display device. Specifically, they are liquid crystal aligning films containing a polymer having the skeleton represented by the general formula (1): ##STR1## in its principal chain as a main component; a liquid crystal aligning film containing a polyimide having a structural unit represented by the general formula (2): ##STR2## as the main component wherein X and Y each represent the same or atoms or groups including hydrogen atoms, an alkyl group having from 1 to 3 carbon atoms, a fluorine atom, a chlorine atom or a trifluoromethyl group, wherein their substituent positions may be at the ortho-position or the meta-position, and R shows a tetravalent aromatic or aliphatic group or a composite group having both tetravalent aromatic and aliphatic properties; and a liquid crystal display device prepared by using them.
摘要翻译：本发明提供一种液晶取向膜及其液晶显示装置，其具有缩小的图像和由有机物组成的薄膜的摩擦处理引起的良好的液晶取向性。具体地说，它们是含有具有由通式（1）表示的骨架的聚合物的主要成分为主成分的液晶取向膜：含有具有由通式（2）表示的结构单元的聚酰亚胺作为主要成分的聚酰亚胺的液晶取向膜，其中X和Y各自表示相同的原子或包含氢原子的原子或基团，烷基具有1至3个碳原子，氟原子，氯原子或三氟甲基，其取代位置可以在邻位或间位，R表示四价芳族或脂族基团或复合基团具有四价芳香和脂族性质; 以及通过使用它们制备的液晶显示装置。

6. 发明授权

US5382688A Diamino compounds and their production method 失效
标题翻译：二氨基化合物及其制备方法
公开(公告)号：US5382688A
公开(公告)日：1995-01-17
申请号：US162318
申请日：1993-12-07
申请人： Minoru Nakayama , Toshiya Sawai , Masaharu Hayakawa , Shizuo Murata , Yukino Abe
发明人： Minoru Nakayama , Toshiya Sawai , Masaharu Hayakawa , Shizuo Murata , Yukino Abe
IPC分类号： C07C211/50 , C07C211/52 , C08G73/10 , G02F1/1337 , C07C211/54
CPC分类号： C07C211/50 , C07C211/52 , C08G73/10 , G02F1/133723 , C07C2101/14 , Y10T428/1023 , Y10T428/31721
摘要： The present invention is to provide diamino compounds useful to polyamide raw materials for production of liquid crystal alignment layers having excellent voltage holding ratios without development of image-sticking phenomena, a method for producing the compounds and liquid crystal display devices equipping the liquid crystal alignment layers.The Diamino compounds are represented by the general formula (1): ##STR1## wherein R indicates hydrogen or an alkyl group having 1 to 8 carbon atoms, further, X, Y and Z indicate hydrogen, an alkyl group having 1 to 3 carbon atoms or fluorine, respectively, and a part or all of them may be the same or different, and the positions of these substitutive groups may be ortho positions or meta positions.
摘要翻译：本发明提供可用于生产具有优异的电压保持率的液晶取向层的聚酰胺原料的二氨基化合物而不产生图像粘附现象，该化合物的制备方法和装配液晶取向层的液晶显示装置。二氨基化合物由通式（1）表示：其中R表示氢或具有1至8个碳原子的烷基，另外X，Y和Z表示氢，烷基具有1至 3个碳原子或氟，其一部分或全部可以相同或不同，这些取代基的位置可以是邻位或间位。

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