公开(公告)号：US5114613A

公开(公告)日：1992-05-19

申请号：US406541

申请日：1989-09-13

申请人： Kazuo Yoshinaga ,  Kazuharu Katagiri ,  Akira Tsuboyama ,  Hiroyuki Kitayama ,  Kenji Shinjo ,  Chieko Hioki

发明人： Kazuo Yoshinaga ,  Kazuharu Katagiri ,  Akira Tsuboyama ,  Hiroyuki Kitayama ,  Kenji Shinjo ,  Chieko Hioki

IPC分类号： C07C43/23 ,  C07C45/46 ,  C07C49/84 ,  C07C69/773 ,  C07D239/26 ,  C09K19/20 ,  C09K19/34

CPC分类号： C07D239/26 ,  C07C43/23 ,  C07C45/46 ,  C07C49/84 ,  C09K19/2021 ,  C09K19/3463

摘要： An optically active lactic acid derivative represented by the following formula (I): ##STR1## wherein R represents a linear, branched or cyclic saturated or unsaturated hydrocarbon group having 1 to 18 carbon atoms; C* represents an asymmetric carbon atom; l is 0 or 1; m is 1 or 2; A represents a group selected from the following groups (a) and (b):(a) hydroxyl group, halogen, benzyloxy group, phenoxy group, toluenesulfonic acid group, acetyloxy group, trifluoroacetyloxy group; ##STR2## (wherein R' is an alkyl group or alkoxy group having 4 to 18 carbon atoms, n is 0 or 1, ##STR3## with proviso that when A is selected from the groups in the above group (a), l is 1 and m is 1 or 2; and when A is selected from the groups in the above group (b), m=n=1 when l is 0, or m and n are 0, 1 or 2 and m+n is 1 or 2 when l is 1, and ##STR4##

公开(公告)号：US4882085A

公开(公告)日：1989-11-21

申请号：US291325

申请日：1988-12-28

申请人： Kazuo Yoshinaga ,  Kazuharu Katagiri ,  Akira Tsuboyama ,  Hiroyuki Kitayama ,  Kenji Shinjo ,  Chieko Hioki

发明人： Kazuo Yoshinaga ,  Kazuharu Katagiri ,  Akira Tsuboyama ,  Hiroyuki Kitayama ,  Kenji Shinjo ,  Chieko Hioki

IPC分类号： C07C43/23 ,  C07C45/46 ,  C07C49/84 ,  C07C69/773 ,  C07D239/26 ,  C09K19/20 ,  C09K19/34

CPC分类号： C07D239/26 ,  C07C43/23 ,  C07C45/46 ,  C07C49/84 ,  C09K19/2021 ,  C09K19/3463

摘要： An optically active lactic acid derivative represented by the following formula (I): ##STR1## wherein R represents a linear, branched or cyclic saturated or unsaturated hydrocarbon group having 1 to 18 carbon atoms; C* represents an asymmetric carbon atom; l is 0 or 1; m is 1 or 2; A represents a group selected from the following groups (a) and (b):(a) hydroxyl group, halogen, benzyloxy group, phenoxy group, toluenesulfonic acid group, acetyloxy group trifluoroacetyloxy group; ##STR2## (wherein R' is an alkyl group or alkoxy group having 4 to 18 carbon atoms, n is 0 or 1, ##STR3## with proviso that when A is selected from the group in the above group (a), l is 1 and m is 1 or 2; and when A is selected from the groups in the above group (b), m=n=1 when l is 0, or m and n are 0, 1 or 2 and m+n is 1 or 2 when l is 1, and ##STR4##

摘要翻译： 由下式（I）表示的光学活性乳酸衍生物：其中R表示具有1至18个碳原子的直链，支链或环状饱和或不饱和烃基; C *表示不对称碳原子; l为0或1; m为1或2; A表示选自以下组（a）和（b）中的基团：（a）羟基，卤素，苄氧基，苯氧基，甲苯磺酸基，乙酰氧基三氟乙酰氧基; （其中R'为具有4至18个碳原子的烷基或烷氧基，n为0或1，条件是当A选自上述组（a）中时，l为 1和m为1或2;当A选自上述组（b）中的基团时，当l为0时，m = n = 1，或m和n为0,1或2，m + n为1 或当l为1时为2，而为

公开(公告)号：US4778259A

公开(公告)日：1988-10-18

申请号：US885658

申请日：1986-07-15

申请人： Hiroyuki Kitayama ,  Akira Tsuboyama ,  Yutaka Inaba ,  Kazuharu Katagiri ,  Kenji Shinjo

发明人： Hiroyuki Kitayama ,  Akira Tsuboyama ,  Yutaka Inaba ,  Kazuharu Katagiri ,  Kenji Shinjo

IPC分类号： C09K19/46 ,  G02F1/141 ,  G02F1/13

CPC分类号： C09K19/46 ,  G02F1/141

摘要： A liquid crystal device includes a pair of substrates each having a uniaxial orientation as provided by rubbing or oblique vapor deposition, and a ferroelectric liquid crystal disposed between the substrates. The uniaxial orientation axes respectively provided to the pair of substrates intersect each other at an intersection angle .theta.. The ferroelectric liquid crystal molecules may have such an alignment tendency that their axes are twisted along a normal to the substrates in the absence of an electric field when they are disposed between two substrates having the same direction of uniaxial orientation axes. The liquid crystal device may be subjected to an AC application pretreatment. The uniaxial orientation axes respectively provided to the base plates may have mutually different orientation controlling powers.

摘要翻译： 液晶装置包括一对基板，每个基板具有通过摩擦或倾斜气相沉积提供的单轴取向，以及设置在基板之间的铁电液晶。 分别设置在一对基板上的单轴取向轴以交叉角θ彼此交叉。 铁电液晶分子可以具有这样的取向趋势，即当它们被布置在具有相同方向的单轴取向轴的两个基板之间时，它们的轴在没有电场的情况下沿着垂直于基板的法线扭转。 可以对液晶装置进行AC施加预处理。 分别设置到基板的单轴取向轴可以具有相互不同的取向控制功率。

公开(公告)号：US4883344A

公开(公告)日：1989-11-28

申请号：US300922

申请日：1989-01-24

申请人： Shinjiro Okada ,  Kazuo Yoshinaga ,  Osamu Taniguchi ,  Hideyuki Kawagishi ,  Akira Tsuboyama ,  Yukio Hanyu ,  Masataka Yamashita ,  Kazuharu Katagiri

发明人： Shinjiro Okada ,  Kazuo Yoshinaga ,  Osamu Taniguchi ,  Hideyuki Kawagishi ,  Akira Tsuboyama ,  Yukio Hanyu ,  Masataka Yamashita ,  Kazuharu Katagiri

IPC分类号： G02F1/1337 ,  G02F1/141

CPC分类号： G02F1/133719 ,  G02F1/141 ,  Y10T428/1014

摘要： A liquid crystal device comprises a pair of parallel substrates and a ferroelectric liquid crystal disposed between the substrates so as to have an arrangement of molecules forming a plurality of layers perpendicular to the faces of the substrates. At least one of the pair of substrates has an alignment control film formed of a modified polyvinyl alcohol resin having a function of aligning said plurality of layers preferentially in one direction. The modified polyvinyl alcohol resin film stably provides a uniform alignment state with a large tilt angle than a conventional alignment control film of polyimide or unmodified polyvinyl alcohol.

摘要翻译： 液晶装置包括一对平行衬底和设置在衬底之间的铁电液晶，以便具有形成与衬底的表面垂直的多个层的分子排列。 所述一对基板中的至少一个具有由改性聚乙烯醇树脂形成的取向控制膜，所述改性聚乙烯醇树脂具有在一个方向上优先对准所述多个层的功能。 改性聚乙烯醇树脂膜与传统的聚酰亚胺或未改性聚乙烯醇的取向控制膜稳定地提供了大的倾斜角度的均匀取向状态。

公开(公告)号：US4820026A

公开(公告)日：1989-04-11

申请号：US26977

申请日：1987-03-17

申请人： Shinjiro Okada ,  Kazuo Yoshinaga ,  Osamu Taniguchi ,  Hideyuki Kawagishi ,  Akira Tsuboyama ,  Yukio Hanyu ,  Masataka Yamashita ,  Kazuharu Katagiri

发明人： Shinjiro Okada ,  Kazuo Yoshinaga ,  Osamu Taniguchi ,  Hideyuki Kawagishi ,  Akira Tsuboyama ,  Yukio Hanyu ,  Masataka Yamashita ,  Kazuharu Katagiri

IPC分类号： G02F1/1337 ,  G02F1/141 ,  G02F1/13

CPC分类号： G02F1/133719 ,  G02F1/141 ,  Y10T428/1014

摘要： A liquid crystal device comprises a pair of parallel substrates and a ferroelectric liquid crystal disposed between the substrates so as to have an arrangement of molecules forming a plurality of layers perpendicular to the faces of the substrates. At least one of the pair of substrates has an alignment control film formed of a modified polyvinyl alcohol resin having a function of aligning said plurality of layers preferentially in one direction. The modified polyvinyl alcohol resin film stably provides a uniform alignment state with a larger tilt angle than a conventional alignment control film of polyimide or unmodified polyvinyl alcohol.

摘要翻译： 液晶装置包括一对平行衬底和设置在衬底之间的铁电液晶，以便具有形成与衬底的表面垂直的多个层的分子排列。 所述一对基板中的至少一个具有由改性聚乙烯醇树脂形成的取向控制膜，所述改性聚乙烯醇树脂具有在一个方向上优先对准所述多个层的功能。 改性聚乙烯醇树脂膜与传统的聚酰亚胺或未改性聚乙烯醇的取向控制膜稳定地提供具有较大倾斜角度的均匀取向状态。

公开(公告)号：US4721367A

公开(公告)日：1988-01-26

申请号：US843235

申请日：1986-03-24

申请人： Kazuo Yoshinaga ,  Akira Tsuboyama ,  Kazuharu Katagiri ,  Osamu Taniguchi

发明人： Kazuo Yoshinaga ,  Akira Tsuboyama ,  Kazuharu Katagiri ,  Osamu Taniguchi

IPC分类号： C09K19/34 ,  G02F1/13 ,  C07D241/02

CPC分类号： C09K19/3452 ,  Y10T428/1005 ,  Y10T428/1018

摘要： A liquid crystal compound represented by the formula (I) below or a liquid crystal composition containing the compound is interposed between a pair of base plates. ##STR1## wherein R is an alkyl or alkoxy group having 1-18 carbon atoms; m is 0 or 1; R.sup.1 is an alkyl group having 1 to 18 carbon atoms when m is 0 and is an alkyl or alkoxy group having 1-18 carbon atoms when m is 1. The liquid crystal compound or composition is in a chiral smectic phase formed through a phase transition from a higher temperature phase. At least one of the base plates has a face to which an orientation controlling function is imparted for preferentially orienting the liquid crystal molecules in contact with the face in one direction.

摘要翻译： 由下式（I）表示的液晶化合物或含有该化合物的液晶组合物插入在一对基板之间。 （I）其中R是具有1-18个碳原子的烷基或烷氧基; m为0或1; 当m为0时，R 1为碳原子数为1〜18的烷基，m为1时，为碳原子数1〜18的烷基或烷氧基。液晶化合物或组合物为相变形成的手性近晶相 从较高的温度阶段。 至少一个基板具有赋予取向控制功能的面，以使液晶分子在一个方向上与面接触而优先取向。

公开(公告)号：US4775225A

公开(公告)日：1988-10-04

申请号：US862978

申请日：1986-05-14

申请人： Akira Tsuboyama ,  Hitoshi Shindo ,  Kazuharu Katagiri ,  Junichiro Kanbe

发明人： Akira Tsuboyama ,  Hitoshi Shindo ,  Kazuharu Katagiri ,  Junichiro Kanbe

IPC分类号： G02F1/1339 ,  G02F1/141 ,  G02F1/133

CPC分类号： G02F1/13394 ,  G02F1/13392 ,  G02F1/141

摘要： A liquid crystal device comprising a first base plate which has projections thereon and has been subjected to a uniaxial orientation treatment, a second base plate disposed oppositely spaced from the first base plate with the projections therebetween as spacers, and a liquid crystal disposed between the first and second base plates. The projections have a section taken in parallel with the base plates, and the section has a side with a length of 0-20 .mu.m in a direction perpendicular to the uniaxial orientation treatment. The projections may be in the form of rectangular pillars, cylindrical pillars, oval pillars, or hexagonal pillars.

摘要翻译： 一种液晶装置，包括：第一基板，其上具有突起并进行单轴取向处理;第二基板，与第一基板相对设置，其间具有作为间隔物的突起，以及设置在第一基板之间的液晶 和第二基板。 突起具有与基板平行的部分，并且该部分在垂直于单轴取向处理的方向上具有长度为0-20μm的一侧。 突起可以是矩形柱，圆柱形柱，椭圆形柱或六角形柱的形式。

公开(公告)号：US4712875A

公开(公告)日：1987-12-15

申请号：US862979

申请日：1986-05-14

申请人： Akira Tsuboyama ,  Kazuharu Katagiri ,  Junichiro Kanbe

发明人： Akira Tsuboyama ,  Kazuharu Katagiri ,  Junichiro Kanbe

IPC分类号： G02F1/133 ,  G02F1/1337 ,  G02F1/1339 ,  G02F1/137 ,  G02F1/141

CPC分类号： G02F1/13392 ,  G02F1/13394 ,  G02F1/141

摘要： A liquid crystal device comprising a pair of base plates and a ferroelectric chiral smectic liquid crystal disposed between the base plates. The pair of base plates being secured to each other to leave a spacing which is small enough to release the spiral structure of the ferroelectric chiral smectic liquid crystal due to the wall effect of the base plates. Fibrous spacers having a diameter d (.mu.m) and an average length l satisfying the relationship of 3.ltoreq.l/d.ltoreq.100 are disposed together with the ferroelectric chiral smectic liquid crystal.

摘要翻译： 一种液晶装置，包括一对基板和设置在基板之间的铁电手性近晶液晶。 一对基板彼此固定以留出足够小的间隔，以便由于基板的壁效应而释放铁电手性近晶液晶的螺旋结构。 具有直径d（μm）和满足3≤l/d≤100的关系的平均长度l的纤维间隔物与铁电手性近晶液晶一起设置。

公开(公告)号：US5530569A

公开(公告)日：1996-06-25

申请号：US419530

申请日：1995-04-10

申请人： Akira Tsuboyama ,  Yukio Hanyu ,  Kenji Shinjo

发明人： Akira Tsuboyama ,  Yukio Hanyu ,  Kenji Shinjo

IPC分类号： G02F1/1337 ,  G09G3/36 ,  G02F1/141

CPC分类号： G09G3/3629

摘要： A ferroelectric liquid crystal device is constituted by a pair of oppositely spaced substrates each having an electrode thereon, and a layer of ferroelectric liquid crystal disposed between the substrates. The ferroelectric liquid crystal is disposed in a thickness sufficiently large to retain its helical structure in its as-injected state but is placed in a non-helical structure showing bistability by application of an AC electric field to the liquid crystal layer prior to a routine drive for normal optical modulation by application of external drive voltage signals.

摘要翻译： 铁电液晶装置由一对相对间隔的基板构成，每个基板上具有电极，并且在基板之间设置有铁电液晶层。 铁电液晶的厚度被设置得足够大以将其螺旋结构保持在其注入状态，但是在例行驱动之前，通过在液晶层上施加交流电场而呈现双稳态的非螺旋结构 用于通过外部驱动电压信号的正常光调制。

公开(公告)号：US4783148A

公开(公告)日：1988-11-08

申请号：US98318

申请日：1987-09-18

申请人： Akira Tsuboyama ,  Toshiharu Uchimi ,  Kenji Shinjo

发明人： Akira Tsuboyama ,  Toshiharu Uchimi ,  Kenji Shinjo

IPC分类号： G02F1/137 ,  C09K19/46 ,  G02F1/133 ,  G02F1/1337 ,  G02F1/141

CPC分类号： C09K19/46 ,  G02F1/133711 ,  G02F1/141

摘要： A ferroelectric liquid crystal device is by disposing between a pair of substrates a ferroelectric liquid crystal composition showing a phase transition series of isotropic.fwdarw.chiral nematic phase (N.sup.*).fwdarw.chiral smectic C phase on temperature decrease. The alignment state of the liquid crystal is improved by forming alignment control films of mutually different materials on the pair of substrates. The alignment state is improved especially when the liquid crystal composition is formulated to show a helical pitch in N.sup.* phase which exceeds three times the spacing between the pair of substrates.

摘要翻译： 强电介质液晶装置是通过在一对基板之间配置表现出各向同性 - >手性向列相（N *）→手性近晶C相的相变系列温度降低的铁电液晶组合物。 通过在一对基板上形成相互不同的材料的取向控制膜来提高液晶的取向状态。 特别是当将液晶组合物配制成显示N×相的螺旋间距超过三对基板间距的三倍时，取向状态得到改善。