公开(公告)号：US5696525A

公开(公告)日：1997-12-09

申请号：US465058

申请日：1995-06-05

申请人： Junichiro Kanbe ,  Kazuharu Katagiri ,  Syuzo Kaneko

发明人： Junichiro Kanbe ,  Kazuharu Katagiri ,  Syuzo Kaneko

IPC分类号： G09G3/20 ,  G09G3/34 ,  G09G3/36

CPC分类号： G09G3/3629 ,  G03C2001/0471 ,  G09G2310/0205 ,  G09G2310/04 ,  G09G2310/06 ,  G09G2310/065 ,  G09G2320/0209 ,  G09G3/2014 ,  G09G3/2018 ,  Y10S359/90

摘要： A liquid crystal apparatus comprises a liquid crystal device comprising a group of scanning electrodes and a group of signal electrodes intersecting each other to form an electrode matrix, and a chiral smectic liquid crystal disposed so as to form a picture element at each intersection of the scanning electrodes and the signal electrodes. Drive means is also provided for: (a) applying a scanning selection signal and a scanning non-selection signal to the scanning electrodes, the scanning selection signed comprising a voltage of one polarity and and a voltage of the other polarity, respectively with reference to a voltage level of the scanning non-selection signal, and being sequentially applied to the respective scanning electrodes; (b) in a period of applying the one or the other polarity, applying signals including a first signal and a second signal to the signal electrodes for causing the one or another orientation state of the chiral smectic liquid crystal; (c) applying to picture elements a DC bias voltage equal to a voltage difference between the voltage level of the scanning non-selection signal and a voltage applied to a signal electrode not receiving the data signal; and (d) periodically applying the scanning selection signal to the scanning electrodes.

摘要翻译： 一种液晶装置，包括一个液晶装置，它包括一组扫描电极和一组彼此相交的信号电极，以形成一个电极矩阵;以及一个手性近晶液晶，其设置成在扫描的每个交点处形成一个像素 电极和信号电极。 还提供驱动装置，用于：（a）向扫描电极施加扫描选择信号和扫描非选择信号，分别包括一个极性的电压和另一个极性的电压的扫描选择参考 扫描非选择信号的电压电平，并依次施加到各个扫描电极; （b）在施加一个或另一个极性的时段中，将包括第一信号和第二信号的信号施加到信号电极，以引起手性近晶液晶的一个或另一取向状态; （c）向像素施加等于扫描非选择信号的电压电平与施加到未接收数据信号的信号电极的电压之间的电压差的DC偏置电压; 和（d）周期地将扫描选择信号施加到扫描电极。

公开(公告)号：US5599479A

公开(公告)日：1997-02-04

申请号：US370987

申请日：1989-06-23

申请人： Kenji Shinjo ,  Takao Takiguchi ,  Hiroyuki Kitayama ,  Kazuharu Katagiri ,  Masataka Yamashita ,  Takeshi Togano ,  Masahiro Terada ,  Akio Yoshida ,  Yoshiko Kimura

发明人： Kenji Shinjo ,  Takao Takiguchi ,  Hiroyuki Kitayama ,  Kazuharu Katagiri ,  Masataka Yamashita ,  Takeshi Togano ,  Masahiro Terada ,  Akio Yoshida ,  Yoshiko Kimura

IPC分类号： C07D271/10 ,  C07D285/12 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  C09K19/12 ,  C09K19/30 ,  G02F1/13

CPC分类号： C07D271/10 ,  C07D285/12 ,  C09K19/345 ,  C09K19/3455 ,  C09K19/3463 ,  C09K19/348 ,  C09K19/3497 ,  C09K19/42 ,  C09K19/46

摘要： A ferroelectric chiral smectic liquid crystal composition, comprising at least one optically active compound represented by the following formula (I): ##STR1## wherein R.sub.1 denotes a linear or branched alkyl group having 1-18 carbon atoms capable of having a subtituent; X.sub.1 denotes a single bond, ##STR2## Z denotes a single bond or ##STR3## denotes ##STR4## and n is an integer of 1-12; and at least one compound represented by the following formula (II): ##STR5## wherein R.sub.2 and R.sub.3 respectively denote a linear or branched optically inactive alkyl group having 1-18 carbon atoms capable of having an alkoxy group of 1-12 carbon atoms; X.sub.2 and X.sub.3 respectively denote a single bond, ##STR6## and p and q are respectively 0, 1 or 2 with proviso that both of p and q are not 0.

摘要翻译： 包含至少一种由下式（I）表示的光学活性化合物的铁电手性近晶液晶组合物：能够具有取代基的具有1-18个碳原子的残留的烷基; X1表示单键， Z表示单键，或表示，n表示1-12的整数。 和由下式（II）表示的至少一种化合物：其中R 2和R 3分别表示可具有1-12个烷氧基的具有1-18个碳原子的直链或支链的光学惰性烷基 碳原子 X2和X3分别表示单键，和p和q分别为0,1或2，条件是p和q均不为0。

公开(公告)号：US5559616A

公开(公告)日：1996-09-24

申请号：US206211

申请日：1994-03-03

申请人： Junichiro Kanbe ,  Kazuharu Katagiri

发明人： Junichiro Kanbe ,  Kazuharu Katagiri

IPC分类号： G09G3/36 ,  G02F1/141

CPC分类号： G09G3/3629 ,  G09G2310/04 ,  G09G2310/06 ,  G09G2310/063 ,  G09G2320/0209

摘要： A driving method for an optical modulation device comprising matrix picture elements each formed at intersecting points of scanning lines and data lines between which a bistable optical modulation material represented by a ferroelectric liquid crsytal is interposed. The driving method comprises an erasure step of applying a voltage signal orienting the optical modulation material to the first stable state between the scanning and data lines, at all or a part of the matrix picture elements, and a writing step of sequentially applying a scanning selection signal to the scanning lines and applying an information orientation signal orienting the optical modulation material to the second stable state to the data lines in phase with the scanning selection signal.

摘要翻译： 一种光调制装置的驱动方法，包括各自形成在扫描线和数据线的交点处的矩阵像素，其中插入由铁电液体crsytal表示的双稳态光学调制材料。 该驱动方法包括一个擦除步骤，在全部或一部分矩阵像素上施加将光调制材料定向到扫描线和数据线之间的第一稳定状态的电压信号，以及顺序施加扫描选择的写入步骤 信号到扫描线，并且将与光扫描选择信号同相的将光调制材料定向到第二稳定状态的信息取向信号发送到数据线。

公开(公告)号：US5424004A

公开(公告)日：1995-06-13

申请号：US45312

申请日：1993-04-13

申请人： Kenji Shinjo ,  Hiroyuki Kitayama ,  Toshiharu Uchimi ,  Syuji Yamada ,  Kazuharu Katagiri

发明人： Kenji Shinjo ,  Hiroyuki Kitayama ,  Toshiharu Uchimi ,  Syuji Yamada ,  Kazuharu Katagiri

IPC分类号： G02F1/13 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46

CPC分类号： C09K19/3469 ,  C09K19/46

摘要： A chiral smectic liquid crystal composition is formed by including at least one species of a mesomorphic compound represented by the following formula (I): ##STR1## wherein X denotes F, Cl, Br, CF.sub.3, NO.sub.2 or CN; Y denotes a single bond, ##STR2## --CH.sub.2 O-- or --OCH.sub.2 --; and R denotes a linear or branched alkyl group having 1-20 carbon atoms optionally substituted. The composition shows improved switching characteristics and, when used in combination with an alignment film providing a high pre-tilt angle, provides an increased contrast at a large drive margin and with little tendency of monostabilization of a memory state.

摘要翻译： 通过包含至少一种由下式（I）表示的介晶化合物形成手性近晶液晶组合物：其中X表示F，Cl，Br，CF 3，NO 2或CN; Y表示单键，图示-CH 2 O-或-OCH 2 - ; 并且R表示任选取代的具有1-20个碳原子的直链或支链烷基。 该组合物显示改进的开关特性，并且当与提供高预倾角的取向膜组合使用时，在大的驱动裕度提供增加的对比度并且几乎没有记忆状态的单稳态化趋势。

公开(公告)号：US5382497A

公开(公告)日：1995-01-17

申请号：US221904

申请日：1994-04-01

申请人： Kazuharu Katagiri ,  Yoshihiro Oguchi ,  Yoshio Takasu

发明人： Kazuharu Katagiri ,  Yoshihiro Oguchi ,  Yoshio Takasu

IPC分类号： G03G5/06 ,  G11B7/244 ,  G11B7/247 ,  G11B7/249 ,  G03C5/00

CPC分类号： G03G5/0661 ,  G03G5/0611 ,  G03G5/0674 ,  G11B7/244 ,  G11B7/247 ,  G11B7/2472 ,  G11B7/249 ,  G11B7/2531

摘要： An optical recording medium comprising a substrate and a thin organic film containing at least one kind of dye selected from polymethine family dyes, perylium family dyes, and cyanine family dyes, and a recording process comprising scanning the optical recording medium with a high intensity light beam such as a laser beam to form optically detectable pits on the recording medium.

摘要翻译： 一种包含基材和含有选自聚甲炔族染料，苝系染料和花青系染料中的至少一种染料的薄有机膜的光学记录介质，以及包括用高强度光束扫描光学记录介质的记录方法 例如激光束以在记录介质上形成可光学检测的凹坑。

公开(公告)号：US5269964A

公开(公告)日：1993-12-14

申请号：US710773

申请日：1991-06-05

申请人： Masataka Yamashita ,  Masahiro Terada ,  Shosei Mori ,  Kazuharu Katagiri

发明人： Masataka Yamashita ,  Masahiro Terada ,  Shosei Mori ,  Kazuharu Katagiri

IPC分类号： G02F1/13 ,  C07C43/225 ,  C07C69/75 ,  C07C69/753 ,  C07C69/773 ,  C07C69/92 ,  C07C69/94 ,  C07D239/26 ,  C07D239/28 ,  C07D239/34 ,  C07D277/20 ,  C07D277/24 ,  C07D277/30 ,  C07D417/00 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  C09K19/52

CPC分类号： C09K19/46 ,  C09K19/34 ,  C09K19/42

摘要： A liquid crystal composition comprising at least one mesomorphic compound represented by the following formula (I): ##STR1## wherein R.sub.1 and R.sub.2 respectively denote a linear or branched alkyl group having 1-16 carbon atoms optionally substituted; Z.sub.1 denotes a single bond, --O--, --COO-- or --OCO--; X.sub.1 denotes halogen; and A.sub.1 denotes a single bond or ##STR2## and at least one mesomorphic compound represented by the following formula (II): ##STR3## wherein R.sub.3 and R.sub.4 respectively denote an alkyl group having 2-16 carbon atoms optionally substituted; Y.sub.1 denotes a single bond, ##STR4## Z.sub.2 and Z.sub.3 respectively denote a single bond, --O--, ##STR5## A.sub.2 and A.sub.3 respectively denote a single bond, ##STR6## X.sub.2 and X.sub.3 respectively denote hydrogen, F, Cl, Br, --CH.sub.3, --CN or --CF.sub.3 ; and k is 0 or 1 with the proviso that Z.sub.2 is a single bond when A.sub.2 is a single bond, and Z.sub.3 is a single bond when A.sub.3 is a single bond and k is 0. The liquid crystal composition is easily aligned by a simple rubbing method to provide a uniform monodomain and further provides wider driving voltage and temperature margins effective for providing a practical ferroelectric liquid crystal device.

公开(公告)号：US5268123A

公开(公告)日：1993-12-07

申请号：US834389

申请日：1992-02-12

申请人： Shosei Mori ,  Masataka Yamashita ,  Kazuharu Katagiri ,  Kenji Shinjo ,  Masahiro Terada

发明人： Shosei Mori ,  Masataka Yamashita ,  Kazuharu Katagiri ,  Kenji Shinjo ,  Masahiro Terada

IPC分类号： C09K19/34 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  G02F1/13 ,  C09K19/32

CPC分类号： C09K19/46 ,  C09K19/348 ,  C09K19/3491 ,  C09K19/3497 ,  C09K19/42 ,  C09K19/44

摘要： A liquid crystal composition, comprising: at least one mesomorphic compound represented by the following formula (I): ##STR1## and at least one mesomorphic compound represented by the following formula (II):R.sup.3 --X.sup.3 --A.sup.2 --B--A.sup.3 --X.sup.4 --R.sup.4(II),The liquid crystal composition is easily aligned by a simple rubbing method to provide a uniform monodomain and further provides wider driving voltage and temperature margins effective for providing a practical ferroelectric liquid crystal device.

公开(公告)号：US5143643A

公开(公告)日：1992-09-01

申请号：US373640

申请日：1989-07-03

申请人： Takashi Iwaki ,  Kenji Shinjo ,  Akio Yoshida ,  Masataka Yamashita ,  Kazuharu Katagiri ,  Chieko Hioki ,  Takeshi Togano ,  Yoko Yamada ,  Masahiro Terada

发明人： Takashi Iwaki ,  Kenji Shinjo ,  Akio Yoshida ,  Masataka Yamashita ,  Kazuharu Katagiri ,  Chieko Hioki ,  Takeshi Togano ,  Yoko Yamada ,  Masahiro Terada

IPC分类号： C07C43/13 ,  C07C43/205 ,  C07C43/23 ,  C07D239/26 ,  C09K19/20 ,  C09K19/30 ,  C09K19/34

CPC分类号： C07D239/26 ,  C07C43/13 ,  C07C43/2055 ,  C07C43/23 ,  C09K19/2021 ,  C09K19/3068 ,  C09K19/3463

摘要： An optically active mesomorphic compound represented by the formula (III) is obtained through an optically active compound represented by the formula (I) and then through a compound represented by the formula (II), respectively, shown below. ##STR1## In the above formulas, R represents a linear, branched or cyclic saturated or unsaturated hydrocarbon group having 1-18 carbon atoms each capable of having a substituent, C* represents an asymmetric carbon atom, k is an integer of from 2 to 5, A is a releasable active group such as hydroxyl, l is 0 or 1, and when l is 1, m is 0, 1 or 2 and n is 0 or 1; R.sup.1 represents an alkyl or alkoxy group having 1-18 carbon atoms; ##STR2## respectively denote ##STR3## p, q and r are respectively 0 or 1 satisfying the relation of p+q+r.gtoreq.1.

摘要翻译： 通过式（I）表示的光学活性化合物，然后分别通过如下所示的式（II）表示的化合物获得由式（III）表示的光学活性介晶化合物。 （I）（II）（III）在上式中，R表示具有1-18个碳原子的直链，支链或环状的饱和或不饱和烃基，其能够具有 取代基，C *表示不对称碳原子，k为2〜5的整数，A为可释放的活性基团，例如羟基，l为0或1，当l为1时，m为0,1或2， n为0或1; R1表示具有1-18个碳原子的烷基或烷氧基; 分别表示 p，q和r分别为0或1，满足p + q + r> / = 1的关系。

公开(公告)号：US4904410A

公开(公告)日：1990-02-27

申请号：US174384

申请日：1988-03-28

申请人： Hiroyuki Nohira ,  Masanao Kamei ,  Shinichi Nakamura ,  Takashi Iwaki ,  Kazuharu Katagiri ,  Yoko Yamada

发明人： Hiroyuki Nohira ,  Masanao Kamei ,  Shinichi Nakamura ,  Takashi Iwaki ,  Kazuharu Katagiri ,  Yoko Yamada

IPC分类号： C07D239/26 ,  C09K19/34

CPC分类号： C07D239/26 ,  C09K19/3463

摘要： An optically active mesomorphic compound is represented by the following formula (I): ##STR1## wherein R.sub.1 and R.sub.2 are respectively an alkyl group having 1 to 16 carbon atoms, and C* denotes an asymmetric carbon atom. The mesomorphic compound has a fluorine atom directly connected to the asymmetric carbon atom and is effectively used as a liquid crystal component providing an increased spontaneous polarization and an improved responsiveness.

摘要翻译： 光学活性介晶化合物由下式（I）表示：其中R 1和R 2分别为具有1至16个碳原子的烷基，C *表示不对称碳原子。 介晶化合物具有与不对称碳原子直接连接的氟原子，并且有效地用作提供增加的自发极化和改善的响应性的液晶组分。

公开(公告)号：US4693951A

公开(公告)日：1987-09-15

申请号：US616279

申请日：1984-06-01

申请人： Yoshio Takasu ,  Yoshihiro Oguchi ,  Kazuharu Katagiri

发明人： Yoshio Takasu ,  Yoshihiro Oguchi ,  Kazuharu Katagiri

IPC分类号： G03G15/22 ,  G03G5/14 ,  G03G5/147 ,  G03G13/22 ,  G03G13/24

CPC分类号： G03G5/14 ,  G03G5/147 ,  G03G5/14704

摘要： An image bearing member for forming a toner image on the surface thereof characterized in that said surface has a maximum surface roughness of 20 .mu.m or less, and an average surface roughness satisfying the relation of r.ltoreq.2d between the average surface roughness and a toner particle size, wherein r is the average surface roughness; and d is a mean particle size of the toner particles; a contact angle with water at least 70 degrees; or a pencil hardness of F or harder as measured according to the JIS test method K-5400; a process for forming image with said member, and an utility thereof.

摘要翻译： 一种用于在其表面上形成调色剂图像的图像承载部件，其特征在于，所述表面的最大表面粗糙度为20μm以下，平均表面粗糙度满足平均表面粗糙度和 调色剂颗粒尺寸，其中r是平均表面粗糙度; d是调色剂颗粒的平均粒度; 与水的接触角至少为70度; 或根据JIS测试方法K-5400测量的铅笔硬度为F或更硬; 用于与所述构件形成图像的过程及其效用。