公开(公告)号：US5141670A

公开(公告)日：1992-08-25

申请号：US417050

申请日：1989-10-04

申请人： Mitsuyoshi Ichihashi ,  Kanetsugu Terashima ,  Makoto Kikuchi ,  Fusayuki Takeshita ,  Kenji Furukawa

发明人： Mitsuyoshi Ichihashi ,  Kanetsugu Terashima ,  Makoto Kikuchi ,  Fusayuki Takeshita ,  Kenji Furukawa

IPC分类号： G02F1/13 ,  C09K19/20 ,  C09K19/34 ,  C09K19/46 ,  G02F1/137 ,  G02F1/141

CPC分类号： C09K19/20 ,  C09K19/2021 ,  C09K19/46

摘要： A ferroelectic smectic C liquid crystal mixture and a display element having a quick electrooptical response and a good memory property are provided, the ferroelectric mixture having a Ps of 60 nC/cm2 or more and a tilt angle of 24.degree. or more and comprising(A) a first component comprising at least one optically active compound expressed by the formula ##STR1## wherein l and m are 0 or 1, both are not 1; n is an integer of 3 to 8; X and Y are H, F, Cl, or CN, both X and Y are not H; A is --COO-- or --OCO--; and R is C3--8 alkyl or alkoxy , and(B) a second component comprising at least one optically active compound expressed by the formula ##STR2## wherein l, m, n and R are as defined above; and A is --COO--, --OCO--, --CH.sub.2 O-- or --OCH.sub.2 --, a total content of the first and second components being 60 mol % or more in the mixture.

摘要翻译： 提供了铁电型近晶C液晶混合物和具有快速电光响应和良好记忆性的显示元件，该铁电混合物具有60nC / cm 2以上的Ps和24°以上的倾斜角，并且包含（A ）包含由式（I）表示的至少一种光学活性化合物的第一组分，其中l和m为0或1，两者均不为1; n为3〜8的整数， X和Y是H，F，Cl或CN，X和Y都不是H; A是-COO-或-OCO-; 和（B）第二组分，其包含至少一种由式（II）表示的光学活性化合物，其中l，m，n和R如上定义; 且A为-COO-，-OCO-， - CH 2 O-或-OCH 2 - ，该混合物中第一和第二组分的总含量为60mol％或更多。

公开(公告)号：US5116529A

公开(公告)日：1992-05-26

申请号：US442517

申请日：1989-11-28

申请人： Kanetsugu Terashima ,  Mitsuyoshi Ichihashi ,  Makoto Kikuchi ,  Fusayuki Takeshita ,  Kenji Furukawa

发明人： Kanetsugu Terashima ,  Mitsuyoshi Ichihashi ,  Makoto Kikuchi ,  Fusayuki Takeshita ,  Kenji Furukawa

IPC分类号： G02F1/13 ,  C09K19/04 ,  C09K19/12 ,  C09K19/20 ,  C09K19/30 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  C09K19/48 ,  C09K19/54 ,  G02F1/133

CPC分类号： C09K19/46 ,  C09K19/04 ,  C09K19/3441 ,  C09K19/3444 ,  C09K19/3455 ,  C09K19/3463 ,  C09K19/42

摘要： The present invention is directed to a ferroelectric liquid crystal composition having quick response properties and assuming a smectic C* phase in an extensive temperature range inclusive of room temperature, and an optical switching element having a quick response property containing this composition.The ferroelectric liquid crystal composition is here disclosed which comprises at least one chiral compound (liquid crystal component A) having an optical activity site represented by the formula (A) ##STR1## wherein R.sup.1 is a straight-chain or branched alkyl group having 2 to 18 carbon atoms or a straight-chain or branched alkoxy group having 1 to 18 carbon atoms, and * indicates an asymmetric carbon atom,and at least one non-chiral compound (liquid crystal component B) having a smectic C phase (hereinafter referred to as "S.sub.C phase"; which shall apply in the following), an S.sub.I phase, an S.sub.F phase, an S.sub.G phase, an S.sub.H phase, an S.sub.J phase or an S.sub.K phase.

公开(公告)号：US4892393A

公开(公告)日：1990-01-09

申请号：US256413

申请日：1988-10-12

申请人： Kanetsugu Terashima ,  Mitsuyoshi Ichihashi ,  Makoto Kikuchi ,  Fusayuki Takeshita ,  Kenji Furukawa

发明人： Kanetsugu Terashima ,  Mitsuyoshi Ichihashi ,  Makoto Kikuchi ,  Fusayuki Takeshita ,  Kenji Furukawa

IPC分类号： C09K19/42 ,  C09K19/34 ,  C09K19/44 ,  C09K19/46 ,  G02F1/137 ,  G02F1/141

CPC分类号： C09K19/46 ,  C09K19/3463

摘要： A ferroelectric liquid crystal composition exhibiting SC* phase within a broad temperature range including room temperature and also having high-speed response properties and a light switching element using the above-mentioned liquid crystal composition and exhibiting high-speed response properties are provided, which composition comprises at least one member of chiral compounds expressed by the formula ##STR1## wherein R.sup.1 and R.sup.2 each represent a linear or branched chain alkyl, alkoxy, alkoxyalkoxy, alkoxycarbonyl, alkanoyl or alkanoyloxy group each of 1 to 18 C and at least one of R.sup.1 and R.sup.2 has an asymmetric carbon atom in the alkyl chain moiety of these groups, and at least one member of chiral compounds having a spontaneous polarization value of 40 nC/cm.sup.2 or more.

公开(公告)号：US07867582B2

公开(公告)日：2011-01-11

申请号：US12576213

申请日：2009-10-08

申请人： Jong-Ho Son ,  Fusayuki Takeshita ,  Jae-Jin Lyu ,  Keun-Chan Oh ,  Yong-Kuk Yun ,  Hyun Wuk Kim ,  Jang-Hyun Kim ,  Min-Goo Seok ,  Sik-Young Jo

发明人： Jong-Ho Son ,  Fusayuki Takeshita ,  Jae-Jin Lyu ,  Keun-Chan Oh ,  Yong-Kuk Yun ,  Hyun Wuk Kim ,  Jang-Hyun Kim ,  Min-Goo Seok ,  Sik-Young Jo

IPC分类号： C09K19/34 ,  C09K19/32 ,  C09K19/30

CPC分类号： C09K19/3402 ,  C09K19/42 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3425 ,  Y10T428/10 ,  Y10T428/1036

摘要： A liquid crystal composition and a liquid crystal display including the liquid crystal composition that includes a first class containing a fluorine-containing liquid crystal compound represented by Formula I (n=1, 2, or 3), and a second class containing at least one neutral liquid crystal compound represented by Formulae III, IV, and V. In Formula I, W1 and W2 are each independently selected from the group consisting of —F, —CF3, —CF2H, —OCF3, and —OCF2H, the liquid crystal compounds represented by Formulae I, III, IV, and V have R1, R2, and R5 to R10 that are any one of a hydrogen atom, and an alkyl group, an alkoxy group, and an alkenyl group having 1 to 12 carbon atoms as terminal groups, and a first sub-class has a content of 6 wt % or less based on a total content of the first class and the second class, with the proviso that a liquid crystal compound of the first class having n=1 is the first sub-class and a liquid crystal compound of the first class having n=2 or 3 is a second sub-class.

摘要翻译： 一种液晶组合物和液晶显示器，包括液晶组合物，该液晶组合物包括含有式I表示的含氟液晶化合物（n = 1,2或3）的第一类，以及含有至少一种 式（I）表示的中性液晶化合物。式I中，W 1和W 2各自独立地选自-F，-CF 3，-CF 2 H，-OCF 3和-OCF 2 H，液晶化合物 由式I，III，IV和V表示的具有作为末端的具有1至12个碳原子的烷基，烷氧基和烯基中的任何一个的R 1，R 2和R 5至R 10 基，第一亚类的含量基于第一类和第二类的总含量为6重量％以下，条件是具有n = 1的第一类的液晶化合物是第一类 亚类和具有n = 2或3的第一类的液晶化合物 第二个分类。

公开(公告)号：US20080138542A1

公开(公告)日：2008-06-12

申请号：US11924497

申请日：2007-10-25

申请人： Jong-Ho SON ,  Fusayuki Takeshita ,  Jae-Jin Lyu ,  Keun-Chan Oh ,  Yong-Kuk Yun ,  Hyun-Wuk Kim ,  Jang-Hyun Kim ,  Min-Goo Seok ,  Sik-Young Jo

发明人： Jong-Ho SON ,  Fusayuki Takeshita ,  Jae-Jin Lyu ,  Keun-Chan Oh ,  Yong-Kuk Yun ,  Hyun-Wuk Kim ,  Jang-Hyun Kim ,  Min-Goo Seok ,  Sik-Young Jo

IPC分类号： C09K19/34

CPC分类号： C09K19/3402 ,  C09K19/42 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3425 ,  Y10T428/10 ,  Y10T428/1036

摘要： A liquid crystal composition and a liquid crystal display including the liquid crystal composition that includes a first class containing a fluorine-containing liquid crystal compound represented by Formula I (n=1, 2, or 3), and a second class containing at least one neutral liquid crystal compound represented by Formulae III, IV, and V. In Formula I, W1 and W2 are each independently selected from the group consisting of —F, —CF3, —CF2H, —OCF3, and —OCF2H, the liquid crystal compounds represented by Formulae I, III, IV, and V have R1, R2, and R5 to R10 that are any one of a hydrogen atom, and an alkyl group, an alkoxy group, and an alkenyl group having 1 to 12 carbon atoms as terminal groups, and a first sub-class has a content of 6 wt % or less based on a total content of the first class and the second class, with the proviso that a liquid crystal compound of the first class having n=1 is the first sub-class and a liquid crystal compound of the first class having n=2 or 3 is a second sub-class.

摘要翻译： 一种液晶组合物和液晶显示器，包括液晶组合物，该液晶组合物包括含有式I表示的含氟液晶化合物（n = 1,2或3）的第一类，以及含有至少一种 由式III，IV和V表示的中性液晶化合物。在式I中，W 1和W 2各自独立地选自-F， - CF 3 3，-CF 2 H，-OCF 3和-OCF 2 H，液晶化合物 由式I，III，IV和V表示，具有R 1，R 2和R 5至R 10， SUB>是氢原子和烷基，烷氧基和碳原子数1〜12的烯基作为端基的任一个，第一亚类的含量为6重量％以下 第一类和第二类的总含量，条件是第一类的液晶化合物 aving n = 1是第一子类，并且具有n = 2或3的第一类的液晶化合物是第二子类。

公开(公告)号：US06319570B1

公开(公告)日：2001-11-20

申请号：US09597280

申请日：2000-06-19

申请人： Tugumiti Andou ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuyuki Koizumi ,  Yasuko Sekiguchi ,  Etsuo Nakagawa ,  Fusayuki Takeshita

发明人： Tugumiti Andou ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasuyuki Koizumi ,  Yasuko Sekiguchi ,  Etsuo Nakagawa ,  Fusayuki Takeshita

IPC分类号： C09K1934

CPC分类号： C07D239/26 ,  C07C43/192 ,  C07C43/225 ,  C07C69/753 ,  C07C69/76 ,  C07D319/06 ,  C09K19/04 ,  C09K19/0403 ,  C09K19/3001 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/42 ,  C09K19/44 ,  C09K19/46 ,  C09K2019/0407 ,  C09K2019/0448 ,  C09K2019/0451 ,  C09K2019/3027 ,  Y10T428/10

摘要： The invention is to provide liquid crystalline compounds which have a low viscosity, high negative dielectric anisotropy, high resistivity, and high voltage holding ratio, and are stable against heat and ultraviolet light; to provide liquid crystal compositions comprising the liquid crystalline compound; and to provide liquid crystal display devices using the liquid crystal composition therein; the liquid crystalline compound is expressed by the general formula (1)  wherein R1 and Y1 represent an alkyl group having 1 to 20 carbon atoms; X1, X2, and X3 independently represent single bond, 1,2-ethylene group, vinylene group, —COO—, —CF2O—, or —OCF2—; ring A1, ring A2, ring A3, and ring A4 independently represent trans-1,4-cycloliexylene, or 1,4-phenylene hydrogen atom on the ring may be replaced by fluorine atom or chlorine atom provided that at least one of ring A2, ring A3, and ring A4 represents 2,3-difluoro-1,4-phenylene; m and n are 0 or 1, and each element which constitutes this compound may be replaced by its isotope.

摘要翻译： 本发明提供具有低粘度，高负电介质各向异性，高电阻率和高电压保持率的液晶化合物，并且对于热和紫外光是稳定的; 以提供包含液晶化合物的液晶组合物; 并提供使用其中的液晶组合物的液晶显示装置;液晶化合物由通式（1）表示，其中R 1和Y 1表示具有1至20个碳原子的烷基; X1，X2和X3独立地表示单键，1,2-亚乙基，亚乙烯基，-COO-，-CF2O-或-OCF2-; 环A1，环A2，环A3和环A4独立地表示反式-1,4-亚噻二环，或者环上的1,4-亚苯基氢原子可以被氟原子或氯原子代替，条件是环A2中的至少一个 环A3，环A4表示2,3-二氟-1,4-亚苯基; m和n为0或1，并且构成该化合物的每个元素可以被其同位素代替。

公开(公告)号：US06315922B1

公开(公告)日：2001-11-13

申请号：US09551643

申请日：2000-04-18

申请人： Fusayuki Takeshita ,  Etsuo Nakagawa ,  Yasuhiro Kubo

发明人： Fusayuki Takeshita ,  Etsuo Nakagawa ,  Yasuhiro Kubo

IPC分类号： C09K1934

CPC分类号： C09K19/42

摘要： The present invention provides a liquid crystal composition comprising a component A being at least one compound selected from the group of compounds represented by Formulas (1-1) and (1-2) in the specification and a component B being at least one compound selected from the group of compounds represented by Formulas (2-1), (2-2), (2-3), (2-4) and (2-5) in the specification. This liquid crystal composition satisfies general characteristics required for a liquid crystal display element of an active matrix mode (AM-LCD).

摘要翻译： 本发明提供了一种液晶组合物，其包含组分A，其为说明书中选自由式（1-1）和（1-2）表示的化合物组中的至少一种化合物，组分B为至少一种选自 来自本说明书中由式（2-1），（2-2），（2-3），（2-4）和（2-5）表示的化合物组。 该液晶组合物满足有源矩阵模式（AM-LCD）的液晶显示元件所需的一般特性。

公开(公告)号：US06235355B1

公开(公告)日：2001-05-22

申请号：US09101999

申请日：1998-07-21

申请人： Yasuhiro Haseba ,  Tomoyuki Kondou ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasusuke Hisatsune ,  Fusayuki Takeshita ,  Etsuo Nakagawa

发明人： Yasuhiro Haseba ,  Tomoyuki Kondou ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Yasusuke Hisatsune ,  Fusayuki Takeshita ,  Etsuo Nakagawa

IPC分类号： C09K1934

CPC分类号： C09K19/3402 ,  C07D319/06 ,  C09K19/40 ,  C09K19/406 ,  C09K2019/3422 ,  Y10T428/10

摘要： The present invention provides liquid crystalline compounds having a high voltage holding ratio and a remarkably high &Dgr;&egr; value, electric and chemical stability, and having good compatibility with known liquid crystalline compounds, liquid crystal compositions containing the compound, and liquid crystal display devices constituted by using the compounds. The liquid crystalline compounds of the present invention are particular dioxane derivatives represented by general formula (1). Further, the present invention relates to liquid crystal compositions characterized in that the compositions comprise at least one of the derivatives, and liquid crystal display devices constituted by using the compositions.

摘要翻译： 本发明提供具有高电压保持率和非常高的DELTAepsi值，电化学稳定性和与已知液晶化合物的良好相容性，含有该化合物的液晶组合物和使用该液晶化合物的液晶显示装置 化合物。本发明的液晶化合物是由通式（1）表示的特定二恶烷衍生物。 此外，本发明涉及液晶组合物，其特征在于，所述组合物包含至少一种衍生物，以及使用该组合物构成的液晶显示装置。

公开(公告)号：US06207075B1

公开(公告)日：2001-03-27

申请号：US08981651

申请日：1998-05-04

申请人： Toshihiko Muraoka ,  Katsuyuki Murashiro ,  Fusayuki Takeshita ,  Tetsuya Matsushita ,  Etsuo Nakagawa

发明人： Toshihiko Muraoka ,  Katsuyuki Murashiro ,  Fusayuki Takeshita ,  Tetsuya Matsushita ,  Etsuo Nakagawa

IPC分类号： C09K1930

CPC分类号： C09K19/44 ,  C09K19/3001 ,  C09K19/42 ,  C09K19/46 ,  C09K2019/0448 ,  C09K2019/0451

摘要： A liquid crystal composition which has a superior voltage transmittance (sharpness) for good color and high-speed response characteristics. The composition contains at least one of the following first component (I-a, I-b), second component (II-a to II-d) and third component (III-a to III-c) respectively: wherein R1, R2, Z0, Z1, Q1, A1, A3, p, q, m and n are defined in the specification.

摘要翻译： 具有良好的彩色和高速响应特性的优异的电压透过率（锐度）的液晶组合物。 该组合物分别含有下列第一组分（Ia，Ib），第二组分（II-a至II-d）和第三组分（III-a至III-c）中的至少一种：其中R1，R2，Z0，Z1 在说明书中定义了Q1，A1，A3，p，q，m和n。

公开(公告)号：US06197217B1

公开(公告)日：2001-03-06

申请号：US09308775

申请日：1999-05-25

申请人： Tomoyuki Kondo ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Fusayuki Takeshita ,  Etsuo Nakagawa

发明人： Tomoyuki Kondo ,  Shuichi Matsui ,  Kazutoshi Miyazawa ,  Hiroyuki Takeuchi ,  Fusayuki Takeshita ,  Etsuo Nakagawa

IPC分类号： C09K1912

CPC分类号： C09K19/12 ,  C07C25/18 ,  C07C43/192 ,  C07C43/225 ,  C09K19/0403 ,  C09K19/14 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/42 ,  C09K2019/0407

摘要： Liquid crystalline compounds which exhibit a negative dielectric anisotropy value, have an extremely high voltage holding ratio and a low threshold voltage, are small in their dependency on temperature, hardly exhibit smectic phase, and are excellent in miscibility with other liquid crystal materials at the same time; liquid crystal compositions comprising the compound; and liquid crystal display devices fabricated by using the liquid crystal composition are provided; the liquid crystalline compounds being specific 3,3′-difluorobiphenyl derivatives expressed by the following general formula (1):

摘要翻译： 具有负介电各向异性值的液晶化合物具有极高的电压保持率和低阈值电压，它们对温度的依赖性小，几乎不显示出近晶相，并且与其它液晶材料的混溶性优异 时间; 包含该化合物的液晶组合物; 并提供使用该液晶组合物制造的液晶显示装置; 液晶化合物是由以下通式（1）表示的特定的3,3'-二氟联苯衍生物：