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公开(公告)号：US5858271A
公开(公告)日：1999-01-12
申请号：US796885
申请日：1997-02-07
申请人： Yasuko Sekiguchi , Etsuo Nakagawa , Toyoshiro Isoyama , Tetsuya Matsushita , Katsuyuki Murashiro
发明人： Yasuko Sekiguchi , Etsuo Nakagawa , Toyoshiro Isoyama , Tetsuya Matsushita , Katsuyuki Murashiro
摘要： Liquid crystal compositions are disclosed which satisfy various characteristics required of liquid crystal compositions used for TN-LCD or STN-LCD display mode, have a low viscosity to cope with the response at a high speed, have a high clearing point to cope with the change in environmental temperature, and have a small dependency of the pitch length on temperature. The liquid crystal compositions comprise, as a first component, at least one liquid crystalline 4-substituted-benzonitrile having a positive dielectric anisotropy, as a second component, at least one liquid crystalline compound having a small positive or negative dielectric anisotropy, and as chiral component A, at least one optically active compound expressed by general formula (X-a) or (X-b) ##STR1## wherein R.sup.0 represents an alkyl group or alkoxy group having 1 to 10 carbon atoms, X represents a halogen atom or CN, and Y represents an alkyl group having 1 to 10 carbon atoms or hydrogen atom.
摘要翻译： 公开了满足用于TN-LCD或STN-LCD显示模式的液晶组合物所需的各种特性的液晶组合物，具有低粘度以应对高速响应，具有高清亮度以应对变化 在环境温度下，具有很小的间距长度对温度的依赖性。 液晶组合物作为第一组分包含至少一种具有正介电各向异性的至少一种液晶4-取代 - 苄腈作为第二组分，至少一种具有小的正或负介电各向异性的液晶化合物和作为手性 （Xa）或（Xb）表示的至少一种光学活性化合物（Xb）（Xb）其中R0表示具有1-10个碳原子的烷基或烷氧基，X表示 卤素原子或CN，Y表示碳原子数1〜10的烷基或氢原子。
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公开(公告)号：US5683624A
公开(公告)日：1997-11-04
申请号：US573141
申请日：1995-12-15
CPC分类号： C09K19/42 , C09K19/3001 , C09K19/46
摘要： A LC material for TN and STN modes having a comparatively high .DELTA.n and a low viscosity is provided by a LC composition comprising a first component (formula I-c), a second component (formula II-c) and a third component (formula III or IV): ##STR1## wherein R.sup.1 is C.sub.1-10 alkyl; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are C.sub.1-10 alkyl or C.sub.2-10 alkenyl in which alkyl and alkenyl groups one or two non-adjacent methylenes may be replaced by --O--; R.sup.6 is C.sub.1-10 alkyl, alkoxy or alkoxymethyl; Z.sup.1 and Z.sup.3 are --CH.sub.2 CH.sub.2 --, --COO-- or a single bond; Z.sup.2 is --C.tbd.C--, --COO--, --CH.sub.2 CH.sub.2 -- or a single bond; Z.sup.4 is --C.tbd.C--, --COO-- or a single bond; Q.sup.1 is H or F; A.sup.2, B, C and E are trans-1,4-cyclohexylene or 1,4-phenylene; D is trans-1,4-cyclohexylene or 1,4-phenylene in which H(s) at 2- or 3-position may be replaced by F(s); and 1 is 0 or 1.
摘要翻译： 通过包含第一组分（式Ic），第二组分（式II-c）和第三组分（式III或其组合）的LC组合物提供具有较高DELTA n和低粘度的TN和STN模式的LC材料 （II）c）（II-c）R3（B）Z2（C）R4（Ⅲ）R3，R4和R5是C1-10烷基或C2-10烯基，其中烷基和烯基 一个或两个不相邻的亚甲基可以被-O-取代; R6是C1-10烷基，烷氧基或烷氧基甲基; Z 1和Z 3是-CH 2 CH 2 - ， - COO-或单键; Z2是-C3ONDC，-COO - ， - CH2CH2-或单键; Z4为-C3ONDC-，-COO-或单键; Q1为H或F; A2，B，C和E是反式-1,4-亚环己基或1,4-亚苯基; D是其中2-或3-位上的H（s）可以被F（s）代替的反式-1,4-亚环己基或1,4-亚苯基; 1为0或1。
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公开(公告)号：US5837161A
公开(公告)日：1998-11-17
申请号：US822688
申请日：1997-03-24
申请人： Yasuko Sekiguchi , Katsuyuki Murashiro , Fusayuki Takeshita , Tetsuya Matsushita , Etsuo Nakagawa
发明人： Yasuko Sekiguchi , Katsuyuki Murashiro , Fusayuki Takeshita , Tetsuya Matsushita , Etsuo Nakagawa
CPC分类号： C09K19/42 , C09K19/44 , C09K19/46 , C09K2019/0448 , C09K2019/0451 , Y10T428/1005
摘要： Liquid crystal compositions having a small value of .gamma. (V.sub.10 /V.sub.90) and a small .tau. (fast response speed) in order to cope especially with high speed response, while satisfying various characteristics required of STN display mode. These compositions comprise at least one compound expressed by formula (I) as a first component; expressed by any one of formulas (II-a) to (II-d) as a second component; and expressed by formula (III) or (IV) as a third component; and as a fourth component, a chiral component in the amount necessary for maintaining the ratio d/P of the cell thickness d (.mu.m) to the pitch length of twist P (.mu.m) in the range of 0.4 to 0.6 when the liquid crystal composition is used for liquid crystal display devices. ##STR1## wherein R.sup.1 to R.sup.9 represent an alkyl group having 1 to 10 carbon atoms; Z.sup.0 to Z.sup.4 represent, for example, --CH.sub.2 CH.sub.2 --; A.sup.1 to A.sup.4, B, C, E, and G independently represent, for example, 1,4-cyclohexylene or 1,4-phenylene; D represents 1,4-cyclohexylene or 1,3-pyrimidine-2,5-diyl; Q.sup.1 represents H or F; and q and m are independently 0 or 1.
摘要翻译： 在满足STN显示模式所要求的各种特性的同时，为了特别应对高速响应，具有较小的伽马值（V10 / V90）和小的tau（快速响应速度）的液晶组合物。 这些组合物包含至少一种由式（I）表示的化合物作为第一组分; 由式（II-a）至（II-d）中的任一个表示作为第二组分; 并由式（III）或（IV）表示为第三组分; 作为第四成分，将液体厚度d（μm）的比d / P与捻数P（μm）的间距长度保持在0.4〜0.6的范围内所需的量的手性成分， 液晶组合物用于液晶显示装置。 （II-c）（II-c）（II-c）（II-c）（II-d）R6（B）Z2（C）R7（Ⅲ） R8（D）Z3（E）Z4（G）R9（IV）其中R1至R9表示具有1-10个碳原子的烷基; Z 0〜Z 4表示例如-CH 2 CH 2 - ; A1至A4，B，C，E和G独立地表示例如1,4-亚环己基或1,4-亚苯基; D代表1,4-亚环己基或1,3-嘧啶-2,5-二基; Q1表示H或F; q和m独立地为0或1。
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公开(公告)号：US5650093A
公开(公告)日：1997-07-22
申请号：US583743
申请日：1996-01-17
CPC分类号： C09K19/3001
摘要： A LC composition for AM-LCD having a high clearing point is provided by a composition comprising a first component containing a compound(s) of formula (1) and a second component containing at least one compound expressed by any of formulas (2), (3) and (4): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 represent C.sub.1-10 alkyl; X.sup.1 represents F or Cl; Y.sup.1 and Y.sup.2 represent H or F; Z.sup.1 and Z.sup.2 represent --CH.sub.2 CH.sub.2 --, --COO-- or a single bond; and A and B represent 1,4-phenylene or trans-1,4-cyclohexylene.
摘要翻译： 具有高透明点的AM-LCD的LC组合物由包含含有式（1）化合物的第一组分和含有至少一种由式（2）， （3）和（4）：其中R1，R2和R3表示C1-10烷基;（3）其中R1，R2和R3表示C1-10烷基; X1表示F或Cl; Y1和Y2表示H或F; Z 1和Z 2表示-CH 2 CH 2 - ， - COO-或单键; A和B表示1,4-亚苯基或反式-1,4-亚环己基。
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5.发明授权Liquid crystal composition and a liquid crystal display device containing the same 失效液晶组合物和含有该液晶组合物的液晶显示装置
公开(公告)号：US5723068A
公开(公告)日：1998-03-03
申请号：US608523
申请日：1996-02-28
CPC分类号： C09K19/3001 , C09K19/3003
摘要： A LC composition for active matrix addressed display mode having a high voltage holding ratio and a reduced threshold voltage is provided, which composition contains: a first component consisting at least one compound of following formula (1) and a second component consisting at least one compound selected from the group of compounds of formulas (4), (5) and (6): ##STR1## wherein R.sup.1 and R.sup.2 represent C.sub.1-10 alkyl; X.sup.1 and X.sup.2 represent F, CF.sub.3, or OCF.sub.3 ; L.sup.0 -L.sup.5 represent H or F; and Z.sup.1 represents a single bond or --CH.sub.2 CH.sub.2 --.
摘要翻译： 提供了一种具有高电压保持率和降低的阈值电压的有源矩阵寻址显示模式的LC组合物，该组合物包含：由至少一种下式（1）的化合物和至少一种化合物 （4），（5）其中R1和R2表示C1（R2），（6）其中R1和R2表示C1 -10烷基; X1和X2表示F，CF3或OCF3; L0-L5表示H或F; 且Z 1表示单键或-CH 2 CH 2 - 。
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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。
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公开(公告)号：US5840208A
公开(公告)日：1998-11-24
申请号：US812956
申请日：1997-03-05
申请人： Takashi Yamaguchi , Katsuyuki Murashiro , Fusayuki Takeshita , Tetsuya Matsushita , Etsuo Nakagawa
发明人： Takashi Yamaguchi , Katsuyuki Murashiro , Fusayuki Takeshita , Tetsuya Matsushita , Etsuo Nakagawa
IPC分类号： G02F1/13 , C09K19/12 , C09K19/16 , C09K19/20 , C09K19/30 , C09K19/34 , C09K19/36 , C09K19/50 , C09K19/32
CPC分类号： C09K19/50
摘要： A chiral nematic liquid crystal composition which has a broad d/P margin, particularly for corresponding to a large size of LCD panel, while satisfying various characteristics sought for STN display mode, and which contains as a first component, at least one member of compounds expressed by the formulas (I-a) to (I-d); as a second component, at least one member of compounds expressed by the formulas (II) to (V); and as a third component, cholesteryl nonanoate, ##STR1## wherein the substituents are described herein.
摘要翻译： 具有宽d / P余量的手征向列液晶组合物，特别是对应于大尺寸的LCD面板，同时满足STN显示模式所要求的各种特性，并且其包含作为第一组分的至少一种化合物 由式（Ia）至（Id）表示; 作为第二组分，由式（II）至（V）表示的至少一种化合物成分; （I）R7（D）Z3（E）Z4（G）R8（III）作为第三成分，胆固醇壬酸酯，（Ia） ），其中取代基在本文中描述。
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公开(公告)号：US5792387A
公开(公告)日：1998-08-11
申请号：US753679
申请日：1996-11-27
申请人： Norihisa Hachiya , Katsuyuki Murashiro , Tetsuya Matsushita , Fusayuki Takeshita , Etsuo Nakagawa
发明人： Norihisa Hachiya , Katsuyuki Murashiro , Tetsuya Matsushita , Fusayuki Takeshita , Etsuo Nakagawa
IPC分类号： G02F1/13 , C09K19/42 , C09K19/44 , C09K19/46 , C09K19/06 , C09K19/12 , C09K19/30 , C09K19/52
CPC分类号： C09K19/44 , C09K19/42 , C09K19/46 , C09K2019/0448 , C09K2019/0451
摘要： A liquid crystal composition comprising, for example, a first component of the formula (1-2), a second component of the formula (2-a) and a third component of the formulas (3) and (4), the respective contents being 3 to 30%, 10 to 60% and 20 to 80%, each by weight, ##STR1## wherein R, R.sup.1, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each independently represent an alkyl group of C.sub.1-10 or an alkenyl group of C.sub.2-10 ; R.sup.7 represents an alkyl group, an alkenyl group or an alkoxymethyl group of C.sub.1-10 ; B.sup.1, C, D and J represent 1,4-cyclohexylene or 1,4-phenylene; E represents 1,4-cyclohexylene or pyrimidine-2,5-diyl; G represents 1,4-cyclohexylene or 1,4-phenylene wherein H at the lateral positions may be replaced by F; Z.sup.1 and Z.sup.6 represent --COO--, --C.sub.2 H.sub.4 -- or a single bond; and Z.sup.5 and Z.sup.7 represent --C--C-- or a single bond.
摘要翻译： 一种液晶组合物，其包含例如式（1-2）的第一组分，式（2-a）的第二组分和式（3）和（4）的第三组分，各自的含量 （1-2）图像（2-a）R4（C）Z5（D）R5（3）R6（ E）Z6（G）Z7（J）R7（4）其中R，R1，R3，R4，R5和R6各自独立地表示C1-10的烷基或C2-10的烯基; R7表示C1-10的烷基，烯基或烷氧基甲基; B1，C，D和J表示1,4-亚环己基或1,4-亚苯基; E表示1,4-亚环己基或嘧啶-2,5-二基; G表示1,4-亚环己基或1,4-亚苯基，其中侧向位置的H可以被F代替; Z 1和Z 6表示-COO - ， - C 2 H 4 - 或单键; Z5和Z7表示-C-C-或单键。
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公开(公告)号：US5776366A
公开(公告)日：1998-07-07
申请号：US741720
申请日：1996-10-31
申请人： Yoshitaka Tomi , Tetsuya Matsushita , Fusayuki Takeshita , Katsuyuki Murashiro , Etsuo Nakagawa
发明人： Yoshitaka Tomi , Tetsuya Matsushita , Fusayuki Takeshita , Katsuyuki Murashiro , Etsuo Nakagawa
CPC分类号： C09K19/586 , C09K19/0208 , C09K19/3001 , C09K19/3003 , C09K19/46 , C09K2019/0444
摘要： A chiral, nematic liquid crystal composition suitable to STN-LCD, having superior steepness, rapid response and being able to prevent occurrence of high order and low order domain of LCD, which composition contains as a first component, at least one compound expressed by the formula (1) ##STR1## as a second component, at least one compound expressed by the formula (2) ##STR2## and as a third component, at least one compound of benzonitrile group, ##STR3## and further having a chiral dopant as a fourth component. In the above formulas, R.sup.1 and R.sup.2 each represent a linear alkyl group of 1 to 10 carbon atoms, A and B each represent trans-1,4-cyclohexylene or 1,4-phenylene, and R.sup.3 represents a linear alkyl group of 1 to 10 carbon atoms, or a group wherein an optional --CH.sub.2 -- or two or more not adjacent --CH.sub.2 --s present in the above group are replaced by --O-- or --CH=CH--; X.sup.1 and X.sup.2 each independently represent H or F; C represents --COO--, --C.sub.2 H.sub.4 --, trans-1,4-cyclohexylene or 1,4-phenylene; and n represents 0 or 1, and as a fourth component, a chiral dopant in a quantity in which a ratio (d/p) of the thickness (d.mu.m) of a liquid crystal layer in a liquid crystal cell to be filled with the liquid crystal composition to the helical pitch thereof (p.mu.m) is 0.03 to 2.0.
摘要翻译： 适用于STN-LCD的手性向列型液晶组合物，其具有优异的陡度，快速响应性并且能够防止LCD的高阶和低阶畴的发生，该组合物含有作为第一组分的至少一种化合物 式（1）作为第二组分的至少一种化合物作为第二组分，至少一种由式（2）表示的化合物（2）和作为第三组分的至少一种苄腈基化合物，＆lt; IMAGE＆gt; 3），并且还具有手性掺杂剂作为第四组分。 在上式中，R 1和R 2各自表示1〜10个碳原子的直链烷基，A和B各自表示反式-1,4-亚环己基或1,4-亚苯基，R3表示1〜 10个碳原子，或其中存在于上述基团中的任选的-CH 2 - 或两个或更多个不相邻的-CH 2 -S取代为-O-或-CH = CH-的基团; X1和X2各自独立地表示H或F; C表示-COO - ， - C 2 H 4 - ，反式-1,4-亚环己基或1,4-亚苯基; n表示0或1，作为第四成分的手性掺杂剂，其中液晶单元中待填充的液晶层的厚度（dμm）的比值（dμm） 液晶组合物的螺旋间距（μm）为0.03〜2.0。
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公开(公告)号：US4877549A
公开(公告)日：1989-10-31
申请号：US160188
申请日：1988-02-25
CPC分类号： C09K19/42
摘要： A liquid crystal composition comprising at least one first component compound of formula (I), at least one second component compound of formula (II) and at least one third component compound of formula (III), ##STR1## wherein R.sup.1 is alkyl of 1 to 8 carbons; R.sup.2 is H or F; R.sup.3 is alkyl or alkoxy each of 1 to 8 carbons; and R.sup.4 is F, --CN, alkyl or alkoxy each of 1 to 8 carbons, the first, second and third component compounds contained in respective amounts of 20-40 wt. %, 10-40 wt. % and 20-50 wt. % and in a total amount of 70 wt. % or more in the composition is provided to improve a steepness of transmission vs. voltage curve in a SBE mode display cell which is operated at a high level of multiplexing.
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