公开(公告)号：US6001276A

公开(公告)日：1999-12-14

申请号：US896541

申请日：1997-07-18

申请人： Masanobu Asaoka ,  Hideaki Takao ,  Koichi Sato ,  Masahiro Terada ,  Shinichi Nakamura ,  Ikuo Nakazawa

发明人： Masanobu Asaoka ,  Hideaki Takao ,  Koichi Sato ,  Masahiro Terada ,  Shinichi Nakamura ,  Ikuo Nakazawa

IPC分类号： G02F1/137 ,  C09K19/02 ,  G02F1/1337 ,  C09K19/56 ,  C09K19/52

CPC分类号： C09K19/0225 ,  G02F1/133723 ,  Y10T428/1023

摘要： A liquid crystal device is constituted by a pair of transparent substrates each having thereon a transparent electrode, and a chiral smectic liquid crystal composition lacking cholesteric phase disposed between the substrates so as to assume at least two optically stable states. At least one of the substrates is provided with an alignment film which comprises a polyimide represented by a recurring unit of formula (I) shown below and has been subjected to a uniaxial aligning treatment. ##STR1## wherein A denotes a tetravalent aliphatic hydrocarbon group free from a planar structure or a tetravalent alicyclic hydrocarbon group, and n is an integer of at least 1. The chiral smectic liquid crystal composition may preferably contain at least one species of fluorine-containing mesomorphic compound comprising a fluorocarbon terminal portion and a hydrocarbon terminal portion connected with a central core and having a smectic phase or a latent smectic phase.

摘要翻译： 液晶装置由一对透明基板构成，每个透明基板上都具有透明电极，并且在基板之间设置缺少胆固醇相的手性近晶液晶组合物，以呈现至少两个光学稳定状态。 至少一个基板设置有取向膜，该取向膜包含由下述式（I）的重复单元表示的聚酰亚胺，并进行单轴对准处理。 其中A表示不含平面结构或四价脂环族烃基的四价脂族烃基，n为至少为1的整数。手性近晶液晶组合物优选含有至少一种含氟介晶化合物，所述含氟介晶化合物包含 碳氟化合物末端部分和与中心核心连接并具有近晶相或潜层晶相的烃末端部分。

公开(公告)号：US5714209A

公开(公告)日：1998-02-03

申请号：US402324

申请日：1995-03-10

申请人： Masanobu Asaoka ,  Hideaki Takao ,  Makoto Kojima

发明人： Masanobu Asaoka ,  Hideaki Takao ,  Makoto Kojima

IPC分类号： G02F1/1337 ,  C08G73/10 ,  C09K19/00 ,  G02F1/13

CPC分类号： C08G73/1042 ,  G02F1/133723 ,  Y10T428/1023 ,  Y10T428/31721

摘要： A liquid crystal device is constituted by disposing a liquid crystal between a pair of substrates; at least one of which has thereon an alignment film comprising a polyimide formed by reaction between at least two acid components including an acid component of formula (1) below and at least one component of formula (2) or (3) below and a diamine component of formula (4) below: ##STR1## wherein R.sub.1 and R.sub.2 independently denote an alkyl group.

摘要翻译： 液晶装置通过在一对基板之间设置液晶而构成; 其中至少一个具有取向膜，其包含通过至少两种酸成分（包括下述式（1）的酸组分）和至少一种下式（2）或（3）的组分之间的反应形成的聚酰亚胺和二胺 （4）其中R1和R2独立地表示烷基。（4）其中R1和R2独立地表示烷基。

公开(公告)号：US5464668A

公开(公告)日：1995-11-07

申请号：US13329

申请日：1993-02-04

申请人： Masanobu Asaoka ,  Hideaki Takao ,  Takeshi Togano ,  Makoto Kojima

发明人： Masanobu Asaoka ,  Hideaki Takao ,  Takeshi Togano ,  Makoto Kojima

IPC分类号： C08G73/10 ,  G02F1/1337 ,  C09K19/00 ,  G02F1/13

CPC分类号： G02F1/133723 ,  C08G73/105 ,  Y10T428/1018 ,  Y10T428/1023 ,  Y10T428/31721

摘要： A liquid crystal device includes: a liquid crystal disposed between a pair of substrates; at least one of which has thereon an alignment film comprising a polyimide or polyamide imide formed by reaction between a diamine component of formula (1) shown below and at least two acid components selected from tetracarboxylic acid components having a structure of formula (2) shown below at least including a naphthalenetetracarboxylic acid component, and dicarboxylic acid components having a structure of formula (3) shown below; ##STR1## wherein R.sub.1 and R.sub.2 independently denote an alkyl group or a fluoroalkyl group having 1-10 carbon atoms; ##STR2## wherein A and B respectively denote a tetravalent or divalent organic residue comprising an aromatic ring, aromatic polycyclic ring or condensed polycyclic ring.

摘要翻译： 一种液晶装置，包括：设置在一对基板之间的液晶; 其中至少一个具有取向膜，其包含通过下述式（1）的二胺组分与选自具有式（2）结构的四羧酸组分的至少两种酸组分的反应形成的聚酰亚胺或聚酰胺酰亚胺） 至少包括萘四羧酸组分和具有下面结构式（3）的二羧酸组分; 式（1）：其中R 1和R 2独立地表示具有1-10个碳原子的烷基或氟代烷基; 式（2）：其中+ E，crc / A /和+ E，crc / B /分别表示包含芳环，芳族多环或缩合的四价或二价有机残基 多环。

公开(公告)号：US5587211A

公开(公告)日：1996-12-24

申请号：US423101

申请日：1995-04-18

申请人： Takeshi Togano ,  Hideaki Takao ,  Masanobu Asaoka ,  Makoto Kojima

发明人： Takeshi Togano ,  Hideaki Takao ,  Masanobu Asaoka ,  Makoto Kojima

IPC分类号： G02F1/1337 ,  G02F1/141

CPC分类号： G02F1/133711 ,  G02F1/141 ,  Y10T428/1018

摘要： A liquid crystal device is constituted by a pair of substrates each having an electrode thereon and disposed in parallel with each other, and a liquid crystal disposed between the substrates. At least one of the substrates has thereon an organic alignment film formed from at least one species of polymer including a polymer having an average molecular weight of at most 30,000.

摘要翻译： 液晶装置由一对基板构成，每个基板上具有彼此平行的电极，并且设置在基板之间的液晶。 至少一个基板上具有由至少一种聚合物形成的有机取向膜，该聚合物包括平均分子量至多为30,000的聚合物。

公开(公告)号：US5419932A

公开(公告)日：1995-05-30

申请号：US185164

申请日：1994-01-24

申请人： Takeshi Togano ,  Takao Takiguchi ,  Hideaki Takao ,  Yukio Hanyu ,  Masanobu Asaoka ,  Takashi Iwaki

发明人： Takeshi Togano ,  Takao Takiguchi ,  Hideaki Takao ,  Yukio Hanyu ,  Masanobu Asaoka ,  Takashi Iwaki

IPC分类号： G02F1/133 ,  C08G73/10 ,  G02F1/1337

CPC分类号： C08G73/1071 ,  C08G73/1082 ,  G02F1/133723 ,  Y10T428/1018

摘要： A liquid crystal device is formed by applying an alignment film on at least one of a pair of substrates sandwiching a liquid crystal, preferably a chiral smectic liquid crystal. The alignment is formed by a dehydro-cyclization product of a polyamide acid which in turn is a reaction product of naphthalenetetracarboxylic acid or its derivative with a diamine or its derivative. The liquid crystal device provides a high contrast display, particularly by multiplexing drive, which is free from after-image because of quick responsiveness.

摘要翻译： 通过在夹持液晶的一对基板中的至少一个上，优选手性近晶液晶上施加取向膜来形成液晶装置。 该取向由聚酰胺酸的脱氢环化产物形成，其又是萘四羧酸或其衍生物与二胺或其衍生物的反应产物。 液晶装置提供高对比度显示，特别是通过多路复用驱动，由于快速响应性而无需后续图像。

公开(公告)号：US5330803A

公开(公告)日：1994-07-19

申请号：US925209

申请日：1992-08-06

申请人： Hideaki Takao ,  Masanobu Asaoka ,  Makoto Kojima

发明人： Hideaki Takao ,  Masanobu Asaoka ,  Makoto Kojima

IPC分类号： G02F1/133 ,  G02F1/1337

CPC分类号： G02F1/133723 ,  Y10T428/1018

摘要： A liquid crystal device is constituted by a pair of substrates, at least one of which has an alignment film thereon, and a liquid crystal disposed between the substrates, The alignment film is formed of a resin including a first polyamide represented by formula (I) below and a second polyamide represented by formula (II) below: ##STR1## wherein R.sub.1 -R.sub.4 independently denote a group of CF.sub.3 (CF.sub.2).sub.1 (CH.sub.2).sub.m wherein l and m are integers satisfying 1.gtoreq.0 and m .gtoreq.O; A.sub.1 and A.sub.2 are mutually different divalent organic residues; and n1 and n2 are integers satisfying n1.gtoreq.2 and n2 .gtoreq.2.

摘要翻译： 液晶装置由一对基板构成，其中至少一个在其上具有取向膜，以及设置在基板之间的液晶。取向膜由包括由式（I）表示的第一聚酰胺的树脂形成， 下式表示的第二聚酰胺和下式（II）表示的第二聚酰胺：其中，R 1 -R 4独立地表示CF 3（CF 2）1（CH 2） 其中l和m是满足1> / = 0和m> / = O的整数; A1和A2是相互不同的二价有机残基; n1和n2是满足n1> / = 2和n2> / = 2的整数。

公开(公告)号：US5326600A

公开(公告)日：1994-07-05

申请号：US969970

申请日：1992-11-02

申请人： Masanobu Asaoka ,  Hideaki Takao ,  Takeshi Togano ,  Makoto Kojima

发明人： Masanobu Asaoka ,  Hideaki Takao ,  Takeshi Togano ,  Makoto Kojima

IPC分类号： C08G73/10 ,  G02F1/1337

CPC分类号： C08G73/1067 ,  G02F1/133723 ,  Y10T428/1023 ,  Y10T428/1027 ,  Y10T428/31721

摘要： A liquid crystal device is constituted by a pair of substrates and a ferroelectric liquid crystal disposed between the substrates. At least one of the pair of substrates has thereon an alignment film of a polyimide having a recurring unit of the following formula (I): ##STR1## wherein R.sub.1 denotes a tetravalent organic residue; and X.sub.1 -X.sub.8 independently denote an alkyl group having 1-15 carbon atoms, an alkoxy group having 1-15 carbon atoms, CF.sub.3 group, halogen or hydrogen atom with the proviso that at least one of X.sub.1 -X.sub.4 is not hydrogen atom and at least one of X.sub.5 -X.sub.8 is not hydrogen atom.

摘要翻译： 液晶装置由一对基板和设置在基板之间的铁电液晶构成。 所述一对基板中的至少一个具有其上具有下式（I）的重复单元的聚酰亚胺的取向膜：其中R1表示四价有机残基; X1-X8独立地表示具有1-15个碳原子的烷基，具有1-15个碳原子的烷氧基，CF3基，卤素或氢原子，条件是X1-X4中的至少一个不是氢原子，并且在 X5-X8中的至少一个不是氢原子。

公开(公告)号：US5835248A

公开(公告)日：1998-11-10

申请号：US314421

申请日：1994-09-28

申请人： Yukio Hanyu ,  Kenji Onuma ,  Yoshio Hotta ,  Osamu Taniguchi ,  Hideaki Takao ,  Masanobu Asaoka ,  Tadashi Mihara ,  Yasuto Kodera ,  Makoto Kojima ,  Katsutoshi Nakamura ,  Takatsugu Wada

发明人： Yukio Hanyu ,  Kenji Onuma ,  Yoshio Hotta ,  Osamu Taniguchi ,  Hideaki Takao ,  Masanobu Asaoka ,  Tadashi Mihara ,  Yasuto Kodera ,  Makoto Kojima ,  Katsutoshi Nakamura ,  Takatsugu Wada

IPC分类号： B82B1/00 ,  G02F1/1333 ,  G02F1/1337 ,  G02F1/141

CPC分类号： G02F1/1337 ,  G02F1/133345 ,  G02F1/13378 ,  G02F1/141

摘要： A ferroelectric liquid crystal device of a cell structure having a suppressed increase of cell thickness along a cell side is constituted by disposing a ferroelectric liquid crystal between a pair of electrode plates each sequentially provided with an electrode, an insulating film and an alignment film on a substrate. The alignment film is provided with a surface unevenness for suppressing a liquid crystal movement causing the increase in cell thickness. The surface unevenness is provided to the alignment film directly or to the insulating film below the alignment film, e.g., by wet forming the relevant film by using at least two solvents having different boiling points or dispersing fine particles within the relevant film, optionally followed by removal of the fine particles.

摘要翻译： 通过在一对电极板之间设置强电介质液晶来构成电池结构的沿单元侧抑制的电池厚度的铁电液晶装置，每个电极板依次设置有电极，绝缘膜和取向膜 基质。 取向膜具有用于抑制液晶移动的表面凹凸，导致单元厚度的增加。 例如通过使用至少两种具有不同沸点的溶剂或相关薄膜中分散细颗粒的方法湿法形成相关薄膜，可以直接或定向到定向膜下面的绝缘薄膜，将表面不均匀性提供给取向膜， 去除细颗粒。

公开(公告)号：US5815230A

公开(公告)日：1998-09-29

申请号：US379755

申请日：1995-01-27

申请人： Seishi Miura ,  Hideaki Takao ,  Masanobu Asaoka ,  Bunryo Sato ,  Tadashi Mihara ,  Yasuto Kodera ,  Makoto Kojima ,  Masamichi Saito ,  Sunao Mori ,  Kazuhiro Aoyama

发明人： Seishi Miura ,  Hideaki Takao ,  Masanobu Asaoka ,  Bunryo Sato ,  Tadashi Mihara ,  Yasuto Kodera ,  Makoto Kojima ,  Masamichi Saito ,  Sunao Mori ,  Kazuhiro Aoyama

IPC分类号： G02F1/1333 ,  G02F1/1337 ,  G02F1/141 ,  G02F1/1335

CPC分类号： G02F1/141 ,  G02F1/133753 ,  G02F2001/133388

摘要： A liquid crystal device is constituted by a pair of oppositely disposed substrates having opposing inner surfaces and opposing electrodes thereon, and a chiral smectic liquid crystal assuming two stable states disposed between the opposing electrodes. The opposing inner surfaces of the pair of substrates have been subjected to an aligning treatment such that the liquid crystal placed in one of the two stable states moves under application of an electric field in a direction identical to one in which the liquid crystal placed in the other of the two stable states moves under the application of the electric field. The liquid crystal device has an effective optical modulation region and a peripheral region outside the effective optical modulation region, wherein the effective optical modulation region and the photosensitive member have been subjected to different aligning treatments. In the liquid crystal device thus constituted, a liquid crystal movement liable to cause yellowing or fluctuation in drive parameters otherwise is effectively compensated by a liquid crystal movement in the peripheral region.

公开(公告)号：US5734456A

公开(公告)日：1998-03-31

申请号：US218034

申请日：1994-03-25

申请人： Hideaki Takao ,  Masanobu Asaoka ,  Makoto Kojima

发明人： Hideaki Takao ,  Masanobu Asaoka ,  Makoto Kojima

IPC分类号： G02F1/133 ,  G02B5/20 ,  G02F1/1335 ,  G02F1/141 ,  G02F1/1333

CPC分类号： G02B5/201 ,  G02F1/133514 ,  G02F1/133516 ,  G02F1/141

摘要： A ferroelectric liquid crystal device comprises a ferroelectric liquid crystal held between a pair of parallel substrates each provided with transparent electrodes formed thereon, and color filters formed between the transparent electrode and the substrate at least on one side. In the device, a difference in surface roughness between the color filters for all the pixels is less than 0.1 .mu.m. With this device, the occurrence of orientation defects is prevented and excellent characteristics specific to a ferroelectric liquid crystal are sufficiently developed.

摘要翻译： 铁电液晶装置包括保持在一对平行基板之间的铁电液晶，每个平行基板上形成有透明电极，并且至少在一侧在透明电极和基板之间形成滤色器。 在该装置中，所有像素的滤色片之间的表面粗糙度差异小于0.1μm。 利用该装置，防止了取向缺陷的发生，并且铁电液晶特有的优异特性充分发展。