公开(公告)号：US5238601A

公开(公告)日：1993-08-24

申请号：US370909

申请日：1989-06-23

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

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

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

CPC分类号： C07D271/10 ,  C07D285/12 ,  C09K19/3068 ,  C09K19/345 ,  C09K19/3455 ,  C09K19/3463 ,  C09K19/348 ,  C09K19/3497 ,  C09K19/42

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 alkyl group having 1-14 carbon atoms; R.sub.2 denotes a linear or branched alkyl group having 1-14 carbon atoms capable of having a subtituent; and X.sub.1 denotes a single bond, ##STR2## 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.2 denotes 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）表示的光学活性化合物：其中R 1表示具有1-14个碳原子的直链烷基; R2表示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表示单键，和下述式（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; X2表示单键，

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：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：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：US5034151A

公开(公告)日：1991-07-23

申请号：US329316

申请日：1989-03-27

申请人： Kenji Shinjo ,  Akio Yoshida ,  Takashi Iwaki ,  Takao Takiguchi ,  Hiroyuki Kitayama ,  Kazuharu Katagiri

发明人： Kenji Shinjo ,  Akio Yoshida ,  Takashi Iwaki ,  Takao Takiguchi ,  Hiroyuki Kitayama ,  Kazuharu Katagiri

IPC分类号： C07D271/10 ,  C07D285/12 ,  C09K19/34 ,  C09K19/42

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

摘要： There is disclosed a mesomorphic compound represented by the following formula (I): ##STR1## wherein A.sub.1 denotes a single bond, ##STR2## denotes ##STR3## X denotes hydrogen, a halogen or cyano group; Y denotes oxygen or sulfur; R.sub.1 and R.sub.2 respectively denotes a linear or branched alkyl, alkoxy, alkylcarbonyloxy, alkoxycarbonyl or alkoxycarbonyloxy group each having 1-18 carbon atoms and each capable of having a substituted of chloro, bromo, cyano, alkoxy or akoxycarbonyl group; and B denotes ##STR4## A ferroelectric liquid crystal composition comprises at least two mesomorphic compounds including at least one mesomorphic compound represented by the formula (I). A ferroelectric liquid crystal device is constituted by disposing the ferroelectric liquid crystal composition between a pair of substrates.

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：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：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.