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：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：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：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：US5186858A

公开(公告)日：1993-02-16

申请号：US378922

申请日：1989-07-12

申请人： Masahiro Terada ,  Takeshi Togano ,  Masataka Yamashita ,  Kazuharu Katagiri ,  Takao Takiguchi ,  Kenji Shinjo ,  Hiroyuki Kitayama ,  Shinichi Nakamura

发明人： Masahiro Terada ,  Takeshi Togano ,  Masataka Yamashita ,  Kazuharu Katagiri ,  Takao Takiguchi ,  Kenji Shinjo ,  Hiroyuki Kitayama ,  Shinichi Nakamura

IPC分类号： C09K19/30 ,  C09K19/34 ,  C09K19/42

CPC分类号： C09K19/3066 ,  C09K19/3458 ,  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 alkyl group having 1-12 carbon atoms; X.sub.1 denote a single bond, --O--, ##STR2## respectively denote ##STR3## and at least one compound represented by the following formula (II): ##STR4## 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--, ##STR5## and m and n are respectively 0, 1 or 2 with proviso that m+n is 2 or above.

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表示可具有取代基的具有1-18个碳原子的直链或支链烷基; R2表示具有1-12个碳原子的直链烷基; X1表示单键，-O-， 分别表示和至少一种由下式（II）表示的化合物：其中R 3和R 4分别表示直链或 具有1-18个能够具有取代基的碳原子的支链烷基; 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为2或更高。

公开(公告)号：US5328639A

公开(公告)日：1994-07-12

申请号：US999556

申请日：1992-12-31

申请人： Hiroyuki Nohira ,  Masanao Kamei ,  Shinichi Nakamura ,  Kazuharu Katagiri ,  Masahiro Terada ,  Masataka Yamashita ,  Yoko Yamada ,  Kenji Shinjo ,  Takashi Iwaki ,  Chieko Hioki ,  Akio Yoshida ,  Toshiharu Uchimi

发明人： Hiroyuki Nohira ,  Masanao Kamei ,  Shinichi Nakamura ,  Kazuharu Katagiri ,  Masahiro Terada ,  Masataka Yamashita ,  Yoko Yamada ,  Kenji Shinjo ,  Takashi Iwaki ,  Chieko Hioki ,  Akio Yoshida ,  Toshiharu Uchimi

IPC分类号： C07C69/773 ,  C09K19/20 ,  C09K19/28 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  C07C69/76 ,  C07D239/02

CPC分类号： C09K19/46 ,  C07C327/00 ,  C09K19/2021 ,  C09K19/2028 ,  C09K19/28 ,  C09K19/42

摘要： A liquid crystal composition, comprising: at least one optically active mesomorphic compound having an asymmetric carbon atom to which a fluorine atom is directly bonded.

摘要翻译： 一种液晶组合物，其包含：至少一种具有氟原子直接键合的不对称碳原子的光学活性介晶化合物。

公开(公告)号：US5514297A

公开(公告)日：1996-05-07

申请号：US76927

申请日：1993-06-16

申请人： Kenji Shinjo ,  Takao Takiguchi ,  Hiroyuki Kitayama ,  Kazuharu Katagiri ,  Masahiro Terada ,  Takeshi Togano ,  Masataka Yamashita ,  Masanobu Asaoka

发明人： Kenji Shinjo ,  Takao Takiguchi ,  Hiroyuki Kitayama ,  Kazuharu Katagiri ,  Masahiro Terada ,  Takeshi Togano ,  Masataka Yamashita ,  Masanobu Asaoka

IPC分类号： C07D271/10 ,  C07D285/12 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  C09K19/06 ,  C09K19/12 ,  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; X.sub.1 and X.sub.2 respectively denote a single bond, ##STR2## Y.sub.1 denotes --CH.sub.2 O-- or --OCH.sub.2 ; and m and n are respectively 1 or 2; 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.3 and X.sub.4 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; X1和X2分别表示单键，Y1表示-CH2O-或-OCH2; m和n分别为1或2; 和由下式（II）表示的至少一种化合物：其中R 3和R 4分别表示可具有取代基的具有1-18个碳原子的直链或支链烷基，R 3和 R4是光学活性的; 和; X3和X4分别表示单键，

公开(公告)号：US5409636A

公开(公告)日：1995-04-25

申请号：US130428

申请日：1993-10-01

申请人： Kenji Shinjo ,  Takao Takiguchi ,  Hiroyuki Kitayama ,  Kazuharu Katagiri ,  Masataka Yamashita ,  Takeshi Togano ,  Masahiro Terada ,  Junko Sato

发明人： Kenji Shinjo ,  Takao Takiguchi ,  Hiroyuki Kitayama ,  Kazuharu Katagiri ,  Masataka Yamashita ,  Takeshi Togano ,  Masahiro Terada ,  Junko Sato

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 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 denotes a linear or branched alkyl group having 1-18 carbon atoms capable of having a substituent; R.sub.4 denotes a linear alkyl group having 1-10 carbon atoms; X.sub.3 denotes a single bond, --O--, ##STR4## Y denotes ##STR5## --CH.sub.2 O-- or --OCH.sub.2 --; and ##STR6## respectively denote ##STR7##

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 表示具有能够具有取代基的具有1-14个碳原子的直链或支链烷基; X1和X2分别表示单键-O-，M为0-7; 并且n为0或1; 和由下式（II）表示的至少一种化合物：其中R 3表示可具有取代基的具有1-18个碳原子的直链或支链烷基; R4表示具有1-10个碳原子的直链烷基; X 3表示单键-O-，Y表示-CH 2 O-或-OCH 2 - ; 和分别表示

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，