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公开(公告)号：US5269964A
公开(公告)日：1993-12-14
申请号：US710773
申请日：1991-06-05
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
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.
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公开(公告)号：US5268123A
公开(公告)日：1993-12-07
申请号：US834389
申请日：1992-02-12
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.
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13.发明授权Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same 失效铁电手性近晶液晶组合物和使用其的液晶装置
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
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.
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15.发明授权Liquid crystal composition, liquid crystal device, display apparatus and display method 失效液晶组合物，液晶装置，显示装置及显示方法
公开(公告)号：US5250218A
公开(公告)日：1993-10-05
申请号：US836964
申请日：1992-02-19
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.
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16.发明授权
公开(公告)号：US5733475A
公开(公告)日：1998-03-31
申请号：US592176
申请日：1996-01-26
申请人： Masataka Yamashita , Masahiro Terada , Shosei Mori , Syuji Yamada , Hiroshi Mizuno , Ikuo Nakazawa
发明人： Masataka Yamashita , Masahiro Terada , Shosei Mori , Syuji Yamada , Hiroshi Mizuno , Ikuo Nakazawa
摘要： A liquid crystal composition contains a mesomorphic compound represented by the following formula (A): ##STR1## wherein R.sub.1 and R.sub.2 independently denote a linear or branched alkyl group having 1-18 carbon atoms; X.sub.1 denotes a single bond, --O--, --CO--O-- or --O--CO--; and A.sub.1 denotes ##STR2## and a mesomorphic compound represented by the following formula (B): ##STR3## wherein R.sub.3 denotes a linear or branched alkyl group having 1-18 carbon atoms; X.sub.2 denotes a single bond, --O--, --CO--O-- or --O--CO--; X.sub.3 denotes a single bond, --OCH.sub.2 --, --CO--O-- or --O--CO--; n is an integer of 3-16; and A.sub.2 denotes ##STR4## The liquid crystal composition may preferably be formulated as a chiral smectic liquid crystal composition. The liquid crystal composition is useful in providing a liquid crystal device using the liquid crystal composition with a good alignment characteristic, a good drive characteristic, and a high contrast ratio.
摘要翻译： 液晶组合物含有由下式（A）表示的介晶化合物：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; X1表示单键，-O-，-CO-O-或-O-CO-; A1表示下式（B）表示的介晶化合物：（B）其中，R3表示碳原子数为1〜18的直链或支链烷基; X2表示单键，-O - ， - CO-O-或-O-CO-; X3表示单键，-OCH2-，-CO-O-或-O-CO-; n为3-16的整数; 并且A2表示E＆gt;液晶组合物优选配制为手性近晶液晶组合物。 液晶组合物可用于提供使用具有良好的取向特性，良好的驱动特性和高对比度的液晶组合物的液晶装置。
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公开(公告)号：US5422748A
公开(公告)日：1995-06-06
申请号：US979283
申请日：1992-11-20
IPC分类号： C09K19/02 , C09K19/34 , C09K19/42 , G02F1/13 , G02F1/1337 , G02F1/137 , G02F1/141 , C09K19/56
CPC分类号： C09K19/0225 , C09K19/3458 , G02F1/1416
摘要： A liquid crystal device, comprising: a pair of substrates, and a ferroelectric liquid crystal disposed between the substrates, each of the substrates having thereon an electrode for applying a voltage to the liquid crystal and a uniaxial alignment film provided with a uniaxial alignment axis, the alignment films on the pair of substrates being substantially parallel with each other and having an identical axis direction; wherein the ferroelectric liquid crystal is disposed in such an alignment state that the liquid crystal shows a pretilt angle .alpha., a cone angle H, an inclination angle .delta. of SmC* layer, and an apparent tilt angle .theta. a satisfying relationships of: H .theta.a>H/2; and the ferroelectric liquid crystal comprises at least three mesomorphic compounds represented by the following formula (I): ##STR1## wherein m and n are an integer of 6 to 12, said at least three mesomorphic compounds including:(a) a mesomorphic compound showing a nematic phase and no smectic C phase;(b) a mesomorphic compound showing a nematic phase and a smectic C phase; and(c) a mesomorphic compound showing a smectic C phase and no nematic phase, respectively on temperature decrease from a temperature of isotropic liquid.
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液晶，每个基板上具有用于向液晶施加电压的电极和设置有单轴对准轴的单轴取向膜， 一对基板上的取向膜基本上彼此平行并且具有相同的轴线方向; 其特征在于，所述强电介质液晶配置成使得液晶呈现预倾角α，锥角+ E，crc / H /，SmC *层的倾斜角度Δ和满足表观倾斜角θa的取向状态 关系：+ E，crc / H /α+δ和+ E，crc / H />θa> + E，crc / H / 所述铁电液晶包含由下式（I）表示的至少三种介晶化合物：其中m和n为6〜12的整数，所述至少3种介晶化合物包括：（a） 显示向列相和没有近晶相的介晶化合物; （b）显示向列相和近晶C相的介晶化合物; 和（c）分别表现出从各向同性液体的温度降低的层状C相和无向列相的介晶化合物。
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18.发明授权
公开(公告)号：US5573703A
公开(公告)日：1996-11-12
申请号：US320525
申请日：1994-10-11
申请人： Masahiro Terada , Shosei Mori , Masataka Yamashita
发明人： Masahiro Terada , Shosei Mori , Masataka Yamashita
CPC分类号： C09K19/0225 , C09K19/34 , G02F1/1416
摘要： A ferroelectric liquid crystal device comprises:a pair of substrates comprising electrodes for applying a voltage, the pair of substrates having been subjected to a uniaxial orientation treatment, and being oriented at a distance opposite to each other such that the uniaxial orientation axes cross each other at a predetermined angle; the display device further comprising a liquid crystal material disposed between the exhibiting at least two stable states and pair of substrates, the liquid crystal material having a cone angle, a pretilt angle, a tilt angle and an apparent tilt angle, wherein:the liquid crystal material having an orientation state which satisfies the conditions represented by.THETA. .THETA..sub..alpha. >.THETA./2 in which .THETA. denotes the cone angle, .alpha. denotes the pretilt angle, .delta. denotes the tilt angle and .THETA..sub..alpha. denotes the apparent tilt angle,wherein the phase of the liquid crystal changes from isotropic phase via cholesteric phase and smectic A phase to chiral smectic C phase as the liquid crystal cools from a high temperature and the liquid crystal has a temperature range in which the cholesteric phase and the smectic A phase exist at the same time.
摘要翻译： 铁电液晶装置包括：一对基板，包括用于施加电压的电极，所述一对基板经过单轴取向处理，并且以彼此相对的距离取向，使得单轴取向轴彼此交叉 以预定角度; 所述显示装置还包括设置在显示至少两个稳定状态和一对基板之间的液晶材料，所述液晶材料具有锥角，预倾角，倾斜角和视在倾斜角，其中：所述液晶 具有满足由THETA表示锥形角度的THETA <α+δ，Δα和THETA> THETAα> THETA / 2表示的条件的取向状态的材料α表示预倾角，delta表示倾斜角， THETAα表示视在倾斜角，其中当液晶从高温冷却时，液晶的相位从各向同性相通过胆甾醇相和近晶A相变为手性近晶C相，液晶的温度范围为 胆甾醇相和近晶A相同时存在。
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公开(公告)号：US5139697A
公开(公告)日：1992-08-18
申请号：US711566
申请日：1991-05-30
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 -
20.发明授权Fluoroalkane derivative, its composition and liquid crystal device using the same 失效氟烷烃衍生物，其组成和使用其的液晶装置
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。
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