公开(公告)号：US5328640A

公开(公告)日：1994-07-12

申请号：US040392

申请日：1993-03-30

申请人： Kenji Shinjo ,  Takao Takiguchi ,  Hiroyuki Kitayama ,  Kazuharu Katagiri ,  Masahiro Terada ,  Takeshi Togano ,  Masataka Yamashita ,  Takashi Iwaki ,  Shosei Mori

发明人： Kenji Shinjo ,  Takao Takiguchi ,  Hiroyuki Kitayama ,  Kazuharu Katagiri ,  Masahiro Terada ,  Takeshi Togano ,  Masataka Yamashita ,  Takashi Iwaki ,  Shosei Mori

IPC分类号： C07D271/10 ,  C07D285/12 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  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 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 1-18 carbon atoms capable of having a substituent, at least one of R.sub.1 and R.sub.2 being optically active; and X.sub.1 denotes a single bond, --O--, ##STR2## and at least one compound represented by the following formula (II): ##STR3## wherein R.sub.3 and R.sub.4 respectively denote a linear or branched alkyl group having 1-18 carbon atoms capable of having a substituent; X.sub.2 and X.sub.3 respectively denote a single bond, --O--, ##STR4## and m and n are respectively 0, 1 or 2 with proviso that m+n=2 or more.

摘要翻译： 一种铁电手性近晶液晶组合物，其包含至少一种由下式（I）表示的化合物：其中R 1和R 2分别表示具有1-18个碳原子的直链或支链烷基，其能够具有 取代基，R1和R2中的至少一个是光学活性的; 并且X 1表示单键，-O-，和由下式（II）表示的至少一种化合物：其中R 3和R 4分别表示具有1-18个碳原子的直链或支链烷基 能够具有取代基的碳原子; X2和X3分别表示单键，-O-，，m和n分别为0,1或2，条件是m + n = 2或更大。

公开(公告)号：US5250219A

公开(公告)日：1993-10-05

申请号：US863325

申请日：1992-04-02

申请人： Shosei Mori ,  Takao Takiguchi ,  Takashi Iwaki ,  Yoko Yamada ,  Takeshi Togano ,  Masataka Yamashita ,  Masahiro Terada ,  Kazuharu Katagiri

发明人： Shosei Mori ,  Takao Takiguchi ,  Takashi Iwaki ,  Yoko Yamada ,  Takeshi Togano ,  Masataka Yamashita ,  Masahiro Terada ,  Kazuharu Katagiri

IPC分类号： C07D239/26 ,  C07D239/28 ,  C07D239/34 ,  C09K19/34 ,  C09K19/46 ,  C09K19/30 ,  C09K19/52 ,  G02F1/13

CPC分类号： C07D239/26 ,  C07D239/28 ,  C07D239/34 ,  C09K19/3458 ,  C09K19/3463 ,  C09K19/46

摘要： A 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 capable of having a substituent; Y.sub.1 denotes --COO--, --OCO--, --CH.sub.2 --or --OCH.sub.2 --; Z.sub.1 denotes a single bond, --O--, --COO--, --OCO-- or --OCOO--; and X denotes a halogen, cyano group or methyl group.

摘要翻译： 由下式（I）表示的介晶化合物：其中R 1和R 2分别表示可具有取代基的具有1-16个碳原子的直链或支链烷基; Y1表示-COO-，-OCO-，-CH2-或-OCH2-; Z 1表示单键，-O - ， - COO - ， - OCO-或-OCOO-; X表示卤素，氰基或甲基。

公开(公告)号：US5183586A

公开(公告)日：1993-02-02

申请号：US378923

申请日：1989-07-12

申请人： Masahiro Terada ,  Takeshi Togano ,  Masataka Yamashita ,  Takashi Iwaki ,  Shosei Mori ,  Kenji Shinjo

发明人： Masahiro Terada ,  Takeshi Togano ,  Masataka Yamashita ,  Takashi Iwaki ,  Shosei Mori ,  Kenji Shinjo

IPC分类号： C09K19/20 ,  C09K19/34 ,  C09K19/42

CPC分类号： C09K19/42 ,  C09K19/20 ,  C09K19/3463

摘要： A ferroelectric chiral smectic liquid crystal composition, comprising at least one 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 substituent, R.sub.2 denotes a linear or branched alkyl group having 1-14 carbon atoms capable of having a substituent; X.sub.1 and X.sub.2 respectively denote a single bond, --O--, ##STR2## m is 0-7; and n is 0 or 1; and at least one compound represented by the following formula (II): ##STR3## wherein R.sub.3 and R.sub.4 respectively denote a linear or branched alkyl group having 1-18 carbon atoms capable of having a substituent; X.sub.3 and X.sub.4 respectively denote a single bond, --O--, ##STR4## Y.sub.1 denotes --CH.sub.2 O-- or --OCH.sub.2 --; and p and q are respectively 1 or 2.

公开(公告)号：US5512208A

公开(公告)日：1996-04-30

申请号：US53828

申请日：1993-04-30

申请人： Masahiro Terada ,  Takeshi Togano ,  Masataka Yamashita ,  Takashi Iwaki ,  Shosei Mori ,  Kenji Shinjo

发明人： Masahiro Terada ,  Takeshi Togano ,  Masataka Yamashita ,  Takashi Iwaki ,  Shosei Mori ,  Kenji Shinjo

IPC分类号： C09K19/30 ,  C09K19/34 ,  C09K19/42 ,  C09K19/12 ,  G02F1/13

CPC分类号： C09K19/3066 ,  C09K19/3463 ,  C09K19/42

摘要： A ferroelectric chiral smectic liquid crystal composition, comprising at least one 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 substituent, R.sub.2 denotes a linear or branched alkyl group having 1-12 carbon atoms; X.sub.1 denotes a single bond, ##STR2## and at least one compound represented by the following formula (II): ##STR3## wherein R.sub.3 and R.sub.4 respectively denote a linear or branched alkyl group having 1-18 carbon atoms capable of having a substituent, at least one of R.sub.3 and R.sub.4 being optically active; and X.sub.2 and X.sub.3 respectively denote a single bond, ##STR4##

摘要翻译： 一种铁电手性近晶液晶组合物，其包含至少一种由下式（I）表示的化合物：其中R 1表示具有1-18个能够具有取代基的碳原子的直链或支链烷基，R2 表示具有1-12个碳原子的直链或支链烷基; （II）表示的至少一种化合物：其中R 3和R 4分别表示直链或支链烷基， 具有能够具有取代基的1-18个碳原子，R3和R4中的至少一个是光学活性的; X2和X3分别表示单键，

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：US5119219A

公开(公告)日：1992-06-02

申请号：US543415

申请日：1990-06-26

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

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

IPC分类号： G02F1/13 ,  C09K19/02 ,  G02F1/133 ,  G09G3/18 ,  G09G3/36

CPC分类号： C09K19/02 ,  G09G3/3629 ,  G09G2310/06 ,  G09G2320/041

摘要： A liquid crystal apparatus includes a chiral smectic liquid crystal showing a first and a second orientation state disposed between first and second electrodes of a liquid cell. A drive circuit applies voltages between the first and second electrodes including voltages .vertline.V.sub.S .vertline. and .vertline.V.sub.I .vertline. which provide voltages V.sub.A and V.sub.B (V.sub.B V.sub.A) satisfying the relationship of: .vertline.(V.sub.A -V.sub.B)/(V.sub.A +V.sub.B).vertline.>0.1 at 40.degree. C. V.sub.A is a minimum peak value of a voltage .vertline.V.sub.S .vertline.+.vertline.V.sub.I .vertline. (at a constant pulse width) capable of inverting the first orientation state of the chiral smectic liquid crystal into the second orientation state when a voltage pulse is applied between the first and second electrodes to cause the first orientation state of the chiral smectic liquid crystal and then the voltage .vertline.V.sub.S .vertline.+.vertline.V.sub.I .vertline. is applied between the first and second electrodes as a combination of a voltage .vertline.V.sub.S .vertline. applied to the first electrode and a voltage - V.sub.I .vertline. applied to the second electrode V.sub.B is a value of .vertline.V.sub.S .vertline.+.vertline.V.sub.I .vertline. calculated based on a maximum peak value of a voltage .vertline.V.sub.S .vertline.-.vertline.V.sub.I .vertline. capable of maintaining the first orientation state of the chiral smectic liquid crystal when a voltage pulse is applied between the first and second electrodes to cause the first orientation state and then the voltage .vertline.V.sub.S .vertline.-.vertline.V.sub.I .vertline. is applied between the first and second electrodes as a combination of a voltage .vertline.V.sub.S .vertline. applied to the first electrode and a voltage .vertline.V.sub.I .vertline. applied to the second electrode.

公开(公告)号：US5262083A

公开(公告)日：1993-11-16

申请号：US833156

申请日：1992-02-10

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： C09K19/3491 ,  C09K19/3477 ,  C09K19/3497 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46

摘要： A liquid crystal composition, comprising: at least one mesomorphic compound represented by the following formula (I):R.sup.1 --X.sup.1 --A.sup.1 --B--A.sup.2 --X.sup.2 --R.sup.2(I)and at least one mesomorphic compound represented by the following formula (II): ##STR1## 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：US5250218A

公开(公告)日：1993-10-05

申请号：US836964

申请日：1992-02-19

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 ,  G09G3/36 ,  C09K19/30

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

摘要： A liquid crystal composition, comprising: at least one mesomorphic compound represented by the following formula (I): ##STR1## wherein R.sup.1 and R.sup.2 independently denote a linear or branched alkyl group having 1-18 carbon atoms capable of including one or non-neighboring two or more methylene groups which can be replaced with at least one species of --O--, --CO--, --COO--, --OCO--, --OCOO-- or --CH(X)-- with the proviso that --O-- cannot directly be connected to --O-- and X denotes halogen; Z.sup.1 denotes --COO-- or --CH.sub.2 O--; X.sup.1 and X.sup.2 independently denote a single bond, --O--, --COO--, --OCO--, --CO-- or --OCOO--; A.sup.1 denotes a single bond, ##STR2## Y.sup.1 and Y.sup.2 independently denote hydrogen, halogen, --CH.sub.3 -- or CF.sub.3 --; and at least one mesomorphic compound represented by the following formula (II): ##STR3## wherein R.sup.3 and R.sup.4 independently denote a linear or branched alkyl group having 1-18 carbon atoms capable of including one or non-neighboring two or more methylene groups which can be replaced with at least one species of --O--, --CO--, --COO--, --OCO--, --OCOO-- or --CH(X)-- with the proviso that --O-- cannot directly be connected to --O-- and X denotes halogen; X.sup.3 and X.sup.4 independently denotes a single bond, --O--, --COO--, --OCO-- or --CO--; Z.sup.2 denotes a single bond, --COO-- or --OCO--; A.sup.2, A.sup.3 and A.sup.4 independently denote a single bond, ##STR4## Y.sup.3 and Y.sup.4 independently denote hydrogen, halogen, --CH.sub.3 or --CF.sub.3 ; and k is 0 or 1 with the proviso that X.sup.3 is a single bond when A.sup.2 is a single bond, and X.sup.4 is a single bond when A.sup.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：US5139697A

公开(公告)日：1992-08-18

申请号：US711566

申请日：1991-05-30

申请人： Takeshi Togano ,  Masahiro Terada ,  Masataka Yamashita ,  Shosei Mori ,  Takashi Iwaki

发明人： Takeshi Togano ,  Masahiro Terada ,  Masataka Yamashita ,  Shosei Mori ,  Takashi Iwaki

IPC分类号： C09K19/46

CPC分类号： C09K19/46

摘要： A liquid crystal composition comprises at least one compound represented by the formula [I] below and at least one compound represented by the formula [II] below: ##STR1## wherein R.sub.1 denotes an alkyl group having 1-16 carbon atoms capable of having a substituent; R.sub.2 denotes any one of alkyl group, alkoxy group, alkoxycarbonyl group, acyloxy group and alkoxycarbonyloxy group, each having 1-16 carbon atoms and being capable of having a substituent; and A denotes any one of ##STR2## each capable of having a substituent; and ##STR3## wherein R.sub.3 denotes a linear alkyl group having 1-16 carbon atoms; R.sub.4 denotes a linear alkyl group having 1-12 carbon atoms; X.sub.1 is a single bond, --O--, ##STR4## X.sub.2 is --OCH.sub.2 --, ##STR5## or --CH.sub.2 --; and Z is ##STR6##

摘要翻译： 液晶组合物包含至少一种由下式[I]表示的化合物和至少一种由下式[II]表示的化合物：其中R 1表示具有1-16个碳原子的烷基 具有取代基; R2表示具有1-16个碳原子并能够具有取代基的烷基，烷氧基，烷氧基羰基，酰氧基和烷氧基羰基氧基中的任一个; A表示能够具有取代基的 中的任一个; 和[II]其中R3表示具有1-16个碳原子的直链烷基; R4表示具有1-12个碳原子的直链烷基; X 1是单键，-O-，X 2是-OCH 2 - ，或-CH 2 - ; 而Z是

公开(公告)号：US5785890A

公开(公告)日：1998-07-28

申请号：US729575

申请日：1996-10-11

申请人： Masataka Yamashita ,  Kazuharu Katagiri ,  Masahiro Terada ,  Shosei Mori ,  Syuji Yamada ,  Hiroshi Mizuno ,  Ikuo Nakazawa ,  Koji Noguchi

发明人： Masataka Yamashita ,  Kazuharu Katagiri ,  Masahiro Terada ,  Shosei Mori ,  Syuji Yamada ,  Hiroshi Mizuno ,  Ikuo Nakazawa ,  Koji Noguchi

IPC分类号： C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  C09K19/32

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

摘要： A liquid crystal composition comprises at least three compounds represented by formulae (A), (B) and (C), respectively as in Claim 1. The compound of the formula (A) has an indan skeleton, the compound of the formula (B) has a quinoxaline skeleton, and the compound of the formula (C) has a pyrimidine skeleton or a benzothiazole skeleton and a terminal cyclic group comprising a cyclohexyl group or a phenyl group. The liquid crystal composition is effective in improving a display quality and drive characteristics of a liquid crystal device using the composition when the liquid crystal device is continuously driven for a long time.

摘要翻译： 液晶组合物分别包含如权利要求1所述的至少三种由式（A），（B）和（C）表示的化合物。式（A）化合物具有茚满骨架，式（B ）具有喹喔啉骨架，式（C）的化合物具有嘧啶骨架或苯并噻唑骨架和包含环己基或苯基的末端环状基团。 当长时间连续驱动液晶装置时，液晶组合物可有效地提高使用该组合物的液晶装置的显示质量和驱动特性。