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1.发明授权Liquid crystal device having pillar spacers with small base periphery width in direction perpendicular to orientation treatment 失效液晶装置，其具有与取向处理垂直的方向的基底周边宽度小的柱状隔片
公开(公告)号：US4775225A
公开(公告)日：1988-10-04
申请号：US862978
申请日：1986-05-14
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。
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公开(公告)号：US4712875A
公开(公告)日：1987-12-15
申请号：US862979
申请日：1986-05-14
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。
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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##
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4.发明授权Liquid crystal device, alignment control method therefor and driving method therefor 失效液晶装置及其对准控制方法及其驱动方法
公开(公告)号：US5026144A
公开(公告)日：1991-06-25
申请号：US469809
申请日：1990-01-22
申请人： Osamu Taniguchi , Hideyuki Kawagishi , Akira Tsuboyama , Shinjiro Okada , Yutaka Inaba , Junichiro Kanbe
发明人： Osamu Taniguchi , Hideyuki Kawagishi , Akira Tsuboyama , Shinjiro Okada , Yutaka Inaba , Junichiro Kanbe
IPC分类号： G02F1/1337 , G02F1/133 , G02F1/137 , G02F1/141 , G09G3/36
CPC分类号： G09G3/3629 , G02F1/141 , G09G2310/06 , Y10S359/90
摘要： A liquid crystal device, comprises: a pair of opposite electrodes and a ferroelectric liquid crystal showing a first and a second alignment state depending on the direction of an electric field applied thereto and disposed between the opposite electrodes. The ferroelectric liquid crystal is placed in a stated of causing a relaxation such that, when a voltage pulse equal to the threshold is applied between the opposite electrodes, the ferroelectric liquid crystal causes a change in its molecular alignment state from one molecular alignment state toward the other molecular alignment state and continues the change in its molecular alignment state even after the removal of the voltage pulse until the change reaches a saturation in a certain period.
摘要翻译： 一种液晶装置，包括：一对相对电极和强电介质液晶，其根据施加到其上的电场的方向而呈现第一和第二取向状态，并设置在相对电极之间。 将强电介质液晶置于引起松弛的状态，使得当在相对电极之间施加等于阈值的电压脉冲时，铁电液晶引起其分子取向状态从一个分子取向状态朝向 其他分子取向状态，即使在去除电压脉冲之后，仍继续其分子取向状态的变化，直到变化在一定周期内达到饱和。
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5.发明授权
公开(公告)号：US4712877A
公开(公告)日：1987-12-15
申请号：US819070
申请日：1986-01-15
申请人： Shinjiro Okada , Junichiro Kanbe , Akira Tsuboyama , Yutaka Inaba
发明人： Shinjiro Okada , Junichiro Kanbe , Akira Tsuboyama , Yutaka Inaba
IPC分类号： G02F1/1333 , G02F1/1343 , G02F1/141 , G09G3/20 , G09G3/36 , H04N3/12 , G02F1/13
CPC分类号： G02F1/133371 , G09G3/3637 , H04N3/127 , G02F1/141 , G02F2001/134345 , G02F2203/30 , G09G3/2011 , G09G3/2014 , G09G3/207
摘要： A driving method for a liquid crystal device of the type comprising a picture element formed by a first electrode, a second electrode oppositely spaced from the first electrode, and a ferroelectric liquid crystal disposed at the opposite portion between the first and second electrodes and having a varying layer thickness. The driving method comprises: a first step of applying a voltage signal between the first and second electrodes for orienting a region extending over the whole area of the picture element to either one of a first and a second state, and a second step of applying a pulse with a waveform corresponding to gradation information between the first and second electrodes to switch the state of a region defining a prescribed area of the picture element from one state resultant in the first step to the other state.
摘要翻译： 一种液晶装置的驱动方法，包括由第一电极，与第一电极相对地间隔开的第二电极和设置在第一和第二电极之间的相对部分处的铁电液晶形成的像素，并且具有 变化层厚度。 该驱动方法包括：第一步骤，在第一和第二电极之间施加电压信号，用于将在像素的整个区域上延伸的区域定向到第一和第二状态中的任一个;以及第二步骤， 具有对应于第一和第二电极之间的灰度信息的波形的脉冲，以将限定图像元素的规定区域的区域的状态从第一步骤中的结果切换到另一状态。
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公开(公告)号：US4941736A
公开(公告)日：1990-07-17
申请号：US225827
申请日：1988-07-29
CPC分类号： G09G3/3629 , G02F1/141 , G09G2310/04 , G09G2310/06 , G09G2310/061 , G09G2310/065 , G09G2320/0247 , G09G2330/021 , Y10S359/90
摘要： A ferroelectric liquid crystal device comprising: a pair of substrates each having a plurality of electrodes oppositely spaced from each other and intersecting with each other, and a ferroelectric liquid crystal layer disposed between the substrates and having a thickness small enough to release a helical structure in the absence of an electric field, a pixel being formed at each intersection of the opposite electrodes formed on the pair of substrates while leaving non-pixel portions at which the opposite electrodes do not face each other. The ferroelectric liquid crystal yields two stable orientation states providing two average molecular axes forming an angle 2.theta. therebetween under no electric field. The ferroelectric liquid crystal yields two states providing two average molecular axes forming an angle 2 .circle.H therebetween. The ferroelectric liquid crystal at the non-pixel portions forms an orientation state providing an average molecular axis forming an angle .theta. or -.theta..
摘要翻译： 一种铁电液晶装置，包括：一对基板，每个基板具有彼此相对间隔的多个电极，并且彼此相交并且设置在所述基板之间并具有足够小的厚度以释放螺旋结构的铁电液晶层 不存在电场，在形成在一对基板上的相对电极的每个交叉处形成像素，同时留下相对电极不相对的非像素部分。 铁电液晶产生两个稳定的取向状态，提供在没有电场的情况下在其间形成角度2θ的两个平均分子轴。 铁电液晶产生两个状态，提供两个平均分子轴，它们之间形成角度2＆cir＆H。 在非像素部分处的铁电液晶形成提供形成角度θ或θ的平均分子轴的取向状态。
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7.发明授权
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。
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8.发明授权Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film 失效具有改性聚乙烯醇取向膜的铁电液晶装置
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。
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9.发明授权Ferroelectric liquid crystal devices having reverse twist angle and stable states resulting from A.C. excitation 失效铁电液晶器件具有反向扭转角和由A.C.激发产生的稳定状态
公开(公告)号：US4778259A
公开(公告)日：1988-10-18
申请号：US885658
申请日：1986-07-15
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。
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公开(公告)号：US4721367A
公开(公告)日：1988-01-26
申请号：US843235
申请日：1986-03-24
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。
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