公开(公告)号：US5938973A

公开(公告)日：1999-08-17

申请号：US927795

申请日：1997-09-11

申请人： Yuki Motoyama ,  Tomoyuki Yui ,  Masahiro Johno ,  Takahiro Matsumoto

发明人： Yuki Motoyama ,  Tomoyuki Yui ,  Masahiro Johno ,  Takahiro Matsumoto

IPC分类号： G02F1/13 ,  C07C69/86 ,  C07C69/90 ,  C09K19/02 ,  C09K19/06 ,  C09K19/20 ,  C09K19/46 ,  C09K19/12 ,  C07C69/76

CPC分类号： C09K19/2021 ,  C07C69/90 ,  C09K19/02 ,  C09K19/06

摘要： A swallow-tailed compound of the following general formula (1), ##STR1## wherein m is an integer of 4 to 10, n is an integer of 2 to 6, p is 0 or 1 and each of X and Y is independently a hydrogen or fluorine atom; and a ferrielectric liquid crystal composition consisting essentially of the swallow-tailed compound of the general formula (1) and a ferrielectric liquid crystal compound of the following general formula (2), ##STR2## wherein R is a linear alkyl group having 6 to 12 carbon atoms, Z is a hydrogen or fluorine atom, r is an integer of 2 to 4 and s is an integer of 2 to 4. The ferrielectric liquid crystal composition has a ferrielectric phase in a broad temperature range and attains a fast response and a large tilt angle in a broad temperature range so that a ferrielectric liquid crystal display device having high display qualities can be provided.

摘要翻译： 下述通式（1）的燕尾化合物，其中m为4〜10的整数，n为2〜6的整数，p为0或1，X和Y各自独立地为氢或氟 原子; 和基本上由通式（1）的燕尾化合物和以下通式（2）的电介质液晶化合物组成的电介质液晶组合物，其中R是具有6至12个碳原子的直链烷基， Z为氢或氟原子，r为2〜4的整数，s为2〜4的整数。电介质液晶组合物具有宽温度范围内的电介质相，具有快速响应和大倾角 在宽的温度范围内，可以提供具有高显示质量的电介质液晶显示装置。

公开(公告)号：US5728864A

公开(公告)日：1998-03-17

申请号：US631092

申请日：1996-04-12

申请人： Yuki Motoyama ,  Tomoyuki Yui ,  Masahiro Johno ,  Maki Ito ,  Takahiro Matsumoto ,  Hiroshi Mineta

发明人： Yuki Motoyama ,  Tomoyuki Yui ,  Masahiro Johno ,  Maki Ito ,  Takahiro Matsumoto ,  Hiroshi Mineta

IPC分类号： C07C69/94 ,  C09K19/02 ,  C09K19/20 ,  C07C69/76 ,  C09K19/12 ,  C09K19/22 ,  C09K19/30 ,  C09K19/34

CPC分类号： C09K19/02 ,  C07C69/94 ,  C09K19/2021

摘要： A liquid crystal compound of the formula (1) ##STR1## wherein R is a linear alkyl group having 6 to 12 carbon atoms, both X and Y are hydrogen atoms or one of X and Y is a fluorine atom and the other is a hydrogen atom, A is --CF.sub.3 or --C.sub.2 F.sub.5, m is an integer of 2 to 4, n is an integer of 2 to 4, and C* is an asymmetric carbon, having a ferrielectric phase in its phase sequence, or a ferrielectric liquid crystal composition containing the liquid crystal compound of the formula (1) having a ferrielectric phase, may be injected between substrates provided with nonlinear active elements, such as thin film transistors or diodes formed on each pixel, to form an active matrix liquid crystal display device.

摘要翻译： 式（1）的液晶化合物其中R为碳原子数为6〜12的直链烷基，X和Y均为氢原子，X和Y中的一个为氟原子，另一方为 是氢原子，A是-CF 3或-C 2 F 5，m是2〜4的整数，n是2〜4的整数，C *是其相序中具有电介质相的不对称碳，或 包含具有电介质相的式（1）的液晶化合物的电介质液晶组合物可以注入到设置有非线性有源元件的衬底之间，诸如形成在每个像素上的薄膜晶体管或二极管，以形成有源矩阵液晶 显示设备。

公开(公告)号：US06217954B1

公开(公告)日：2001-04-17

申请号：US09413482

申请日：1999-10-06

申请人： Yuki Motoyama ,  Takahiro Matsumoto ,  Masahiro Johno ,  Tomoyuki Yui

发明人： Yuki Motoyama ,  Takahiro Matsumoto ,  Masahiro Johno ,  Tomoyuki Yui

IPC分类号： C09K1912

CPC分类号： C09K19/0266 ,  C07C69/90 ,  C09K19/2021 ,  Y10T428/10

摘要： An anti-ferroelectric liquid crystal composition containing a phenyl triester compound of the formula (1), wherein R1 is a linear alkyl group having 6 to 12 carbon atoms, m is an integer of 0 to 3, n is an integer of 1 to 3, and X1 is a hydrogen atom or a fluorine atom, and an anti-ferroelectric liquid crystal compound of the formula (2),  wherein R2 is a linear alkyl group having 6 to 12 carbon atoms, X2 is a hydrogen atom or a fluorine atom, A is —CH3 or —CF3, r is 0 or 1 and C* is an asymmetric carbon, provided that when A is —CH3, r is 0 and p is an integer of 4 to 10, that when A is —CF3 and when r is 0, p is an integer of 6 to 8, and further than when A is —CF3 and when r is 1, q is an integer of 5 to 8 and p is 2 or 4. The phenyl triester compound and anti-ferroelectric liquid crystal compound composition is not only improved in response speed but also shows remarkably controlled layer rotation, and it can achieve a simple matrix liquid crystal display device which is free of a change in contrast and is highly reliable in use for a long period of time.

摘要翻译： 一种含有式（1）的苯基三酯化合物的反铁电液晶组合物，其中，R 1为碳原子数6〜12的直链烷基，m为0〜3的整数，n为1〜3的整数。 ，X 1为氢原子或氟原子，式（2）的反铁电液晶化合物，其中，R2为碳原子数6〜12的直链烷基，X2为氢原子或氟原子 A为-CH 3或-CF 3，r为0或1，C *为不对称碳，条件是当A为-CH 3时，r为0，p为4至10的整数，当A为-CF 3和 当r为0时，p为6至8的整数，并且当A为-CF 3时，当r为1时，q为5至8的整数，p为2或4.苯基三酯化合物和抗 - 铁电液晶化合物组合物不仅提高了响应速度，而且显示出显着控制的层旋转，并且可以实现简单的矩阵液晶显示装置，其不含ch 相比之下，在长时间使用中是高度可靠的。

公开(公告)号：US5716544A

公开(公告)日：1998-02-10

申请号：US635320

申请日：1996-04-19

申请人： Yuki Motoyama ,  Tomoyuki Yui ,  Masahiro Johno ,  Takahiro Matsumoto ,  Teruyo Tomiyama

发明人： Yuki Motoyama ,  Tomoyuki Yui ,  Masahiro Johno ,  Takahiro Matsumoto ,  Teruyo Tomiyama

IPC分类号： C07C69/90 ,  C09K19/02 ,  C09K19/46 ,  C09K19/12 ,  C09K19/20

CPC分类号： C09K19/0266 ,  C07C69/90 ,  C09K19/46

摘要： A phenyl ester compound of the following general formula (1), ##STR1## wherein m is an integer of 3 to 8, n is an integer of 3 to 11, both of X.sup.1 and X.sup.2 are hydrogen atoms, or one of X.sup.1 and X.sup.2 is a fluorine atom and the other is a hydrogen atom, and A is a hydrogen atom or --CH.sub.3 ; and an anti-ferroelectric liquid crystal composition containing the above phenyl ester compound and a specific anti-ferroelectric liquid crystal compound or a specific liquid crystal compound having ferrielectric-phase.

摘要翻译： 下述通式（1）的苯基酯化合物，其中m为3〜8的整数，n为3〜11的整数，X1和X2均为氢原子，或者为 X1和X2是氟原子，另一个是氢原子，A是氢原子或-CH 3; 以及含有上述苯基酯化合物和特定的抗铁电液晶化合物的反铁电液晶组合物或具有铁电相的特定液晶化合物。

公开(公告)号：US06258296B1

公开(公告)日：2001-07-10

申请号：US09462988

申请日：2000-01-19

申请人： Masahiro Johno ,  Yuki Motoyama ,  Takahiro Matsumoto ,  Hiroshi Mineta ,  Tomoyuki Yui

发明人： Masahiro Johno ,  Yuki Motoyama ,  Takahiro Matsumoto ,  Hiroshi Mineta ,  Tomoyuki Yui

IPC分类号： C09K1920

CPC分类号： C09K19/2007 ,  C07C69/92 ,  C09K19/02

摘要： A fluorine-substituted compound of the following general formula (1) or (2), and a ferrielectric liquid crystal composition comprising the above compound and a specific ferrielectric liquid crystal compound, wherein, in the formula (1), each of X1 and X2 is a hydrogen atom, or one of them is a hydrogen atom and the other is a fluorine atom, p is an integer of 0 to 3 and q is an integer of 1 to 3, and in the formula (2), each of X1 and x2 is a hydrogen atom, or one of them is a hydrogen atom and the other is a fluorine atom, p is an integer of 1 to 3 and q is an integer of 1 to 3.

摘要翻译： 下述通式（1）或（2）的氟取代的化合物，以及包含上述化合物和特定的电介质液晶化合物的电介质液晶组合物，其中，在式（1）中，X 1和X 2 是氢原子，其中一个为氢原子，另一个为氟原子，p为0〜3的整数，q为1〜3的整数，式（2）中，X 1 x2为氢原子，其中一个为氢原子，另一个为氟原子，p为1〜3的整数，q为1〜3的整数。

公开(公告)号：US6001278A

公开(公告)日：1999-12-14

申请号：US83542

申请日：1998-05-22

申请人： Takahiro Matsumoto ,  Masahiro Johno ,  Tomoyuki Yui ,  Yuki Motoyama

发明人： Takahiro Matsumoto ,  Masahiro Johno ,  Tomoyuki Yui ,  Yuki Motoyama

IPC分类号： C09K19/02 ,  C09K19/20 ,  C09K19/12 ,  G02F1/1343

CPC分类号： C09K19/0266 ,  C09K19/2007

摘要： Provided are an anti-ferroelectric liquid crystal composition consisting essentially of (a) a swallow-tailed compound of the formula (1), (b) an anti-ferroelectric liquid crystal compound of the formula (2), and (c) a phenyl ester compound of the formula (3), and a liquid crystal display device using the composition, ##STR1## The above anti-ferroelectric liquid crystal composition has an anti-ferroelectric phase in a broad temperature range, has a high response time I in the transition from an anti-ferroelectric state to a ferroelectric state and a proper response time II in the transition from a ferroelectric state to an anti-ferroelectric state, and can therefore provide an anti-ferroelectric liquid crystal display device having high display quality.

摘要翻译： 本发明提供一种反铁电液晶组合物，其基本上由（a）式（1）的燕尾化合物，（b）式（2）的反铁电液晶化合物和（c）苯基 式（3）的酯化合物和使用该组合物的液晶显示装置。上述反铁电液晶组合物在宽温度范围内具有抗铁电相，在从 从铁电状态向反铁电状态的转变中的铁电态和反应时间II的反铁电状态，因此能够提供具有高显示质量的反铁电型液晶显示装置。

公开(公告)号：US5980780A

公开(公告)日：1999-11-09

申请号：US55211

申请日：1998-04-06

申请人： Yuki Motoyama ,  Takahiro Matsumoto ,  Tomoyuki Yui ,  Masahiro Johno

发明人： Yuki Motoyama ,  Takahiro Matsumoto ,  Tomoyuki Yui ,  Masahiro Johno

IPC分类号： G02F1/13 ,  C07C69/92 ,  C09K19/02 ,  C09K19/20 ,  C09K19/46 ,  C09K19/21

CPC分类号： C09K19/0266 ,  C07C69/92 ,  C09K19/2021

摘要： A racemic compound of the formula (1) ##STR1## and an anti-ferroelectric liquid crystal composition consisting essentially of said racemic compound and one anti-ferroelectric liquid crystal compound of the formula (2) or a mixture of two or more compounds selected from anti-ferroelectric liquid crystal compounds of the formula (2), ##STR2## said composition of the present invention, exhibiting a small spontaneous polarization and a fast response so that a display device having a high display quality can be achieved.

摘要翻译： 式（1）的外消旋化合物和基本上由所述外消旋化合物和式（2）的一种反铁电液晶化合物或两种或更多种选自抗铁电体的化合物的混合物组成的反铁电液晶组合物 式（2）的液晶化合物，本发明的所述组合物，具有小的自发极化和快速响应，从而可以实现具有高显示质量的显示装置。

公开(公告)号：US5985172A

公开(公告)日：1999-11-16

申请号：US975245

申请日：1997-11-21

申请人： Yuki Motoyama ,  Hiroshi Mineta ,  Tomoyuki Yui ,  Masahiro Johno

发明人： Yuki Motoyama ,  Hiroshi Mineta ,  Tomoyuki Yui ,  Masahiro Johno

IPC分类号： C07C69/92 ,  C09K19/02 ,  C09K19/20 ,  C09K19/12

CPC分类号： C09K19/0266 ,  C07C69/92 ,  C09K19/2021

摘要： A racemic compound of the formula (1) ##STR1## and an anti-ferroelectric liquid crystal composition consisting essentially of said racemic compound and one anti-ferroelectric liquid crystal compound of the formula (2) or a mixture of two or more compounds selected from anti-ferroelectric liquid crystal compounds of the formula (2), ##STR2## said composition having excellent steepness of threshold, having an anti-ferroelectric phase over a broad temperature range and having the performance of a high response speed and a high contrast.

摘要翻译： 式（1）的外消旋化合物和基本上由所述外消旋化合物和式（2）的一种反铁电液晶化合物或两种或更多种选自抗铁电体的化合物的混合物组成的反铁电液晶组合物 式（2）的液晶化合物，所述组合物具有优异的阈值陡度，在宽温度范围内具有抗铁电相，具有高响应速度和高对比度的性能。

公开(公告)号：US5660762A

公开(公告)日：1997-08-26

申请号：US575131

申请日：1995-12-19

申请人： Maki Ito ,  Tomoyuki Yui ,  Masahiro Johno ,  Teruyo Tomiyama ,  Hiroshi Mineta ,  Yuki Motoyama

发明人： Maki Ito ,  Tomoyuki Yui ,  Masahiro Johno ,  Teruyo Tomiyama ,  Hiroshi Mineta ,  Yuki Motoyama

IPC分类号： C07C69/90 ,  C09K19/02 ,  C09K19/20 ,  C09K19/34

CPC分类号： C09K19/0266 ,  C07C69/90 ,  C09K19/2007 ,  C09K19/2021

摘要： A two-rings-containing phenyl ester compound of the following general formula (1), ##STR1## wherein R.sup.1 is a linear alkyl group having 5 to 12 carbon atoms, R.sup.2 is a linear alkyl group having 1 to 15 carbon atoms, X.sup.1 and X.sup.2 are both hydrogen atoms or one of X.sup.1 and X.sup.2 is a fluorine atom and the other is a hydrogen atom, Y.sup.1 and Y.sup.2 are both hydrogen atoms or one of Y.sup.1 and Y.sup.2 is a fluorine atom and the other is a hydrogen atom, and A.sup.1 is a hydrogen atom, --CH.sub.3 or --CF.sub.3, provided that when A.sup.1 is a hydrogen atom or --CH.sub.3, p is 0 and that when A.sup.1 is --CF.sub.3, p is t and q is an integer of 5 to 8, and an anti-ferroelectric liquid crystal composition containing at least one of two-rings-containing phenyl ester compounds of the above general formula (1) in claim 1 and either an anti-ferroelectric liquid crystal compound or a mixture of anti-ferroelectric liquid crystal compounds.

摘要翻译： 含有下述通式（1）的双环的苯基酯化合物，其中R1是碳原子数为5〜12的直链烷基，R2是碳原子数1〜15的直链烷基 X1和X2都是氢原子，X1和X2之一是氟原子，另一个是氢原子，Y1和Y2都是氢原子，Y1和Y2之一是氟原子，另一个是氢原子 ，A1为氢原子，-CH3或-CF3，条件是当A1为氢原子或-CH3时，p为0，当A1为-CF3时，p为t，q为5〜8的整数， 以及含有权利要求1中的上述通式（1）的含两环的苯基酯化合物中的至少一种的反铁电液晶组合物，还有反铁电液晶化合物或抗铁电液晶混合物 化合物。

公开(公告)号：US6018070A

公开(公告)日：2000-01-25

申请号：US839342

申请日：1997-04-18

申请人： Maki Ito ,  Tomoyuki Yui ,  Masahiro Johno ,  Teruyo Tomiyama ,  Hiroshi Mineta ,  Yuki Motoyama

发明人： Maki Ito ,  Tomoyuki Yui ,  Masahiro Johno ,  Teruyo Tomiyama ,  Hiroshi Mineta ,  Yuki Motoyama

IPC分类号： C07C69/90 ,  C09K19/02 ,  C09K19/20 ,  C09K19/34 ,  C07C41/00 ,  C07C69/76

CPC分类号： C09K19/0266 ,  C07C69/90 ,  C09K19/2007 ,  C09K19/2021

摘要： A two-rings-containing phenyl ester compound of the following general formula (1), ##STR1## wherein R.sup.1 is a linear alkyl group having 5 to 12 carbon atoms, R.sup.2 is a linear alkyl group having 1 to 15 carbon atoms, X.sup.1 and X.sup.2 are both hydrogen atoms or one of X.sup.1 and X.sup.2 is a fluorine atom and the other is a hydrogen atom, Y.sup.1 and Y.sup.2 are both hydrogen atoms or one of Y.sup.1 and Y.sup.2 is a fluorine atom and the other is a hydrogen atom, and A.sup.1 is a hydrogen atom, --CH.sub.3 or --CF.sub.3, provided that when A.sup.1 is a hydrogen atom or --CH.sub.3, p is 0 and that when A.sup.1 is --CF.sub.3, p is 1 and q is an integer of 5 to 8, and an anti-ferroelectric liquid crystal composition containing at least one of two-rings-containing phenyl ester compounds of the above general formula (1) in claim 1 and either an anti-ferroelectric liquid crystal compound or a mixture of anti-ferroelectric liquid crystal compounds.

摘要翻译： 含有下述通式（1）的含双环的苯基酯化合物，其中，R 1为碳原子数5〜12的直链烷基，R 2为碳原子数1〜15的直链烷基，X1和X2均为 氢原子或X1和X2之一是氟原子，另一个是氢原子，Y1和Y2都是氢原子，Y1和Y2中的一个是氟原子，另一个是氢原子，而A1是氢原子 原子，-CH 3或-CF 3，条件是当A 1为氢原子或-CH 3时，p为0，当A 1为-CF 3时，p为1，q为5〜8的整数，反铁电性液体 含有权利要求1中的上述通式（1）的含两环的苯基酯化合物中的至少一种的水晶组合物，以及抗铁电液晶化合物或抗铁电液晶化合物的混合物。