Phenyl triester compound and anti-ferroelectric liquid crystal composition containing the same
    1.
    发明授权
    Phenyl triester compound and anti-ferroelectric liquid crystal composition containing the same 失效
    苯基三酯化合物和含有它的反铁电液晶组合物

    公开(公告)号:US06217954B1

    公开(公告)日:2001-04-17

    申请号:US09413482

    申请日:1999-10-06

    IPC分类号: C09K1912

    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。

    Fluorine-substituted compounds and ferrielectric liquid-crystal composition containing the same
    3.
    发明授权
    Fluorine-substituted compounds and ferrielectric liquid-crystal composition containing the same 失效
    氟取代的化合物和含有它们的电介质液晶组合物

    公开(公告)号:US06258296B1

    公开(公告)日:2001-07-10

    申请号:US09462988

    申请日:2000-01-19

    IPC分类号: C09K1920

    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。

    Anti-ferroelectric liquid crystal composition
    4.
    发明授权
    Anti-ferroelectric liquid crystal composition 失效
    抗铁电液晶组成

    公开(公告)号:US6001278A

    公开(公告)日:1999-12-14

    申请号:US83542

    申请日:1998-05-22

    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。

    Swallow-tailed compound and ferrielectric liquid crystal composition
containing the same
    6.
    发明授权
    Swallow-tailed compound and ferrielectric liquid crystal composition containing the same 失效
    燕尾化合物和含有它的电致液晶组合物

    公开(公告)号:US5938973A

    公开(公告)日:1999-08-17

    申请号:US927795

    申请日:1997-09-11

    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。

    Liquid crystal compound having ferrielectric phase and liquid crystal
composition
    7.
    发明授权
    Liquid crystal compound having ferrielectric phase and liquid crystal composition 失效
    具有电介质相和液晶组成的液晶化合物

    公开(公告)号:US5728864A

    公开(公告)日:1998-03-17

    申请号:US631092

    申请日:1996-04-12

    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。

    Two-rings-containing phenyl ester compound and anti-ferroelectric liquid
crystal composition containing the same
    8.
    发明授权
    Two-rings-containing phenyl ester compound and anti-ferroelectric liquid crystal composition containing the same 失效
    含有双环的苯基酯化合物和含有它的反铁电液晶组合物

    公开(公告)号:US5660762A

    公开(公告)日:1997-08-26

    申请号:US575131

    申请日:1995-12-19

    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。

    Two-rings-containing phenyl ester compound and anti-perroelectric liquid
crystal composition containing the same
    9.
    发明授权
    Two-rings-containing phenyl ester compound and anti-perroelectric liquid crystal composition containing the same 失效
    含有双环的苯基酯化合物和含有它们的防腐电液晶组合物

    公开(公告)号:US6018070A

    公开(公告)日:2000-01-25

    申请号:US839342

    申请日:1997-04-18

    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。

    Liquid crystal compound
    10.
    发明授权
    Liquid crystal compound 失效
    液晶复合物

    公开(公告)号:US6002042A

    公开(公告)日:1999-12-14

    申请号:US6384

    申请日:1998-01-13

    摘要: A liquid crystal compound represented by the following general formula (1): ##STR1## wherein R is a linear alkyl group having 6 to 12 carbon atoms, X and Y are both a hydrogen atom, or one of them is a hydrogen atom and the other is a fluorine atom, m is an integer of 0 to 5, n is an integer of 1 to 5, and C* is an asymmetric carbon atom. Since the liquid crystal compounds of the present invention have an anti-ferroelectric phase or a ferrielectric phase and the anti-ferroelectric phase or a ferrielectric phase has a highly practical phase sequence and wide temperature range, they are of great industrial value.

    摘要翻译: 由以下通式(1)表示的液晶化合物:其中R是具有6至12个碳原子的直链烷基,X和Y都是氢原子,或它们中的一个是氢原子,另一个是氢原子 氟原子,m为0〜5的整数,n为1〜5的整数,C *为不对称碳原子。 由于本发明的液晶化合物具有抗铁电相或铁电相,并且抗铁电相或电介质相具有高度实用的相序和宽的温度范围,因此具有很大的工业价值。