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公开(公告)号:US4506957A
公开(公告)日:1985-03-26
申请号:US482711
申请日:1983-04-06
申请人: Kenneth J. Harrison , Edward P. Raynes , Frances C. Saunders , David J. Thompson , David F. Newton
发明人: Kenneth J. Harrison , Edward P. Raynes , Frances C. Saunders , David J. Thompson , David F. Newton
CPC分类号: C09K19/3001 , C09K19/2007 , C09K19/603
摘要: A material suitable for a guest-host liquid crystal device comprises a solution of a liquid crystal material and a pleochroic dye characterized in that the dye comprises at least one anthraquinone compound free from water-solubilizing and ionic substituents and having the formula: ##STR1## wherein each of R and R.sup.1 independently represents an n-alkyl group having from 4 to 7 carbon atoms inclusive and wherein each of R.sup.2 and R.sup.3 is independently selected from hydrogen and alkyl groups having from 1 to 4 carbon atoms inclusive.
摘要翻译: 适用于宾主液晶装置的材料包括液晶材料和多色染料的溶液,其特征在于染料包含至少一种不含水溶性和离子取代基的蒽醌化合物,具有下式: 式I其中R和R 1各自独立地表示具有4至7个碳原子的正烷基,其中R 2和R 3各自独立地选自氢和含有1至4个碳原子的烷基。
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公开(公告)号:US4496221A
公开(公告)日:1985-01-29
申请号:US352060
申请日:1982-02-24
CPC分类号: C09K19/603 , C09B1/58
摘要: A material suitable for a guest-host liquid crystal device comprises a soion of a liquid crystal material and a pleochroic dye where in the pleochroic dye comprises at least one anthrquinone compound free from water solubilizing and ionic substituents and having the formula: ##STR1## wherein Q is NH.sub.2, OH, alkyl, aryl, NO.sub.2 or halo;n is 0 to 4;each X independently is H, --SR, --NZ.sub.1 Z.sub.2 or Q;each R independently is alkyl, aryl or cycloalkyl;Z.sub.1 and Z.sub.2 are independently H, alkyl, cycloalkyl or aryl; provided that there are at least two groups X which are different --SR groups.
摘要翻译: 适用于宾主液晶装置的材料包括液晶材料和多色染料的溶液,其中多色染料包含至少一种不含水溶性和离子取代基的蒽醌化合物,具有下式: 其中Q是NH 2,OH,烷基,芳基,NO 2或卤素; n为0〜4; 每个X独立地是H,-SR,-NZ1Z2或Q; 每个R独立地是烷基,芳基或环烷基; Z 1和Z 2独立地为H,烷基,环烷基或芳基; 条件是存在至少两个不同-SR基团的基团X。
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公开(公告)号:US4483594A
公开(公告)日:1984-11-20
申请号:US484603
申请日:1983-04-13
IPC分类号: C09K19/00 , C09B1/503 , C09B1/515 , C09B1/54 , C09K19/20 , C09K19/60 , G02F1/137 , G02F1/139 , G09F9/00 , G09F9/35 , G02F1/13 , C09K3/34
CPC分类号: C09B1/503 , C09B1/515 , C09B1/545 , C09K19/603
摘要: A material suitable for a guest-host liquid crystal device comprises a solution of a liquid crystal material and a pleochroic dye wherein the pleochroic dye comprises at least one compound having a formula: ##STR1## wherein one of X and Y is OH and the other is NHR wherein R is H or lower alkyl; each of R.sub.1 and R.sub.2 independently represents alkyl, aryl, aralkyl, alkoxy or --NR.sub.3 R.sub.4 wherein each of R.sub.3 and R.sub.4 is independently H or lower alkyl, provided that R.sub.2 is always adjacent to an OH group.
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公开(公告)号:US4464282A
公开(公告)日:1984-08-07
申请号:US411095
申请日:1982-08-24
摘要: A material suitable for a guest-host liquid crystal device comprises a solution of a liquid crystal material and a pleochroic dye wherein the pleochroic dye comprises at least one anthraquinone compound free from water solubilizing and ionic substituents and having the formula: ##STR1## wherein P is OH or NH.sub.2 ; each group X.sup.A is independently selected from OH, NO.sub.2, SR and NZ.sub.1 Z.sub.2 provided that one group X.sup.A is SR and the other group X.sup.A is OH, NO.sub.2 or NZ.sub.1 Z.sub.2 is 1 or 2; each group Q.sub.1 is independently alkyl having from 1 to 20 carbon atoms; each group R is independently selected from alkyl having from 1 to 20 carbon atoms, aryl having up to 15 carbon atoms and cycloalkyl having from 4 to 8 carbon atoms.
摘要翻译: 适用于客体主体液晶装置的材料包括液晶材料和多色染料的溶液,其中多色染料包含至少一种不含水溶解和离子取代基的蒽醌化合物,具有下式:其中P 是OH或NH 2; 只要一组XA为SR,另一组XA为OH,NO2或NZ1Z2为1或2,则各基团XA独立地选自OH,NO 2,SR和NZ 1 Z 2。 每个基团Q1独立地为具有1至20个碳原子的烷基; 每个基团R独立地选自具有1至20个碳原子的烷基,具有至多15个碳原子的芳基和具有4至8个碳原子的环烷基。
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公开(公告)号:US4405211A
公开(公告)日:1983-09-20
申请号:US287118
申请日:1981-07-27
CPC分类号: C09B1/58 , C09K19/603
摘要: A material suitable for a guest-host liquid crystal device comprises a solution of a liquid crystal material and a pleochroic dye wherein the pleochroic dye comprises at least one compound having a formula: ##STR1## wherein: R represents a group selected from optionally substituted alkyl and optionally substituted monocyclic aryl;Q represents a group selected from halo, OH, --NO.sub.2, alkyl, aryl and --NR.sub.1 R.sub.2, wherein each of R.sub.1 and R.sub.2 independently represents a group selected from H, alkyl and aryl;x represents an integer from 1 to 4; andy represents an integer from 0 to 4;x+y being in the inclusive range 2 to 4;provided that when x+y=2, x=1 and y=1.
摘要翻译: 适用于客体主体液晶装置的材料包括液晶材料和多色染料的溶液,其中双色染料包含至少一种具有下式的化合物:其中:R代表所选的基团 从任选取代的烷基和任选取代的单环芳基; Q表示选自卤素,OH,-NO 2,烷基,芳基和-NR 1 R 2的基团,其中R 1和R 2各自独立地表示选自H,烷基和芳基的基团; x表示1〜4的整数, y表示0〜4的整数。 x + y在2〜4的范围内; 条件是当x + y = 2时,x = 1和y = 1。
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公开(公告)号:US4391489A
公开(公告)日:1983-07-05
申请号:US287123
申请日:1981-07-27
IPC分类号: C09K19/00 , C09B1/503 , C09B1/515 , C09B1/54 , C09K19/20 , C09K19/60 , G02F1/137 , G02F1/139 , G09F9/00 , G09F9/35 , G02F1/13 , C09K3/34
CPC分类号: C09B1/503 , C09B1/515 , C09B1/545 , C09K19/603
摘要: A material suitable for a guest-host liquid crystal device comprises a solution of a liquid crystal material and a pleochroic dye wherein the pleochroic dye comprises at least one compound having a formula: ##STR1## wherein one of X and Y is OH and the other is NHR wherein R is H or lower alkyl; each of R.sub.1 and R.sub.2 independently represents alkyl, aryl, aralkyl, alkoxy or --NR.sub.3 R.sub.4 wherein each of R.sub.3 and R.sub.4 is independently H or lower alkyl, provided that R.sub.2 is always adjacent to an OH group.
摘要翻译: 适用于宾主液晶装置的材料包括液晶材料和多色染料的溶液,其中多色染料包含至少一种具有下式的化合物:其中X和Y之一为 OH,另一个是NHR,其中R是H或低级烷基; R 1和R 2各自独立地表示烷基,芳基,芳烷基,烷氧基或-NR 3 R 4,其中R 3和R 4各自独立地为H或低级烷基,条件是R 2总是与OH基相邻。
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公开(公告)号:US4137524A
公开(公告)日:1979-01-30
申请号:US837070
申请日:1977-09-28
IPC分类号: G02F1/1343 , G02F1/13
CPC分类号: G02F1/1343
摘要: The present invention includes a multi-electrode structure including a counterelectrode, a display electrode in registry with the counterelectrode and finally an intermediately positioned apertured background electrode. Display material is contained between the counterelectrode and the background electrode. Depending upon the electric field conditions existing between the various electrodes, a display image may be created with a first dark-light contrast relationship relative to a background. An appropriate driving circuit is capable of changing the field relationship between the electrodes so that a reverse contrast relationship appears between a displayed image and its background.
摘要翻译: 本发明包括一个多电极结构,它包括一个反电极,一个与反电极对准的显示电极,最后是一个中间位置有孔的背景电极。 显示材料包含在反电极和背景电极之间。 根据存在于各种电极之间的电场条件,可以产生具有相对于背景的第一暗光对比度关系的显示图像。 适当的驱动电路能够改变电极之间的场关系,使得显示的图像与其背景之间出现反向对比度关系。
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公开(公告)号:US5496500A
公开(公告)日:1996-03-05
申请号:US283714
申请日:1994-08-01
申请人: Kenneth J. Toyne , John W. Goodby , Alexander Seed , George W. Gray , Damien G. McDonnel , Edward P. Raynes , Sally E. Day , Kenneth J. Harrison , Michael Hird
发明人: Kenneth J. Toyne , John W. Goodby , Alexander Seed , George W. Gray , Damien G. McDonnel , Edward P. Raynes , Sally E. Day , Kenneth J. Harrison , Michael Hird
IPC分类号: C07C255/52 , C07C255/54 , C07C323/62 , C07C331/28 , C07D239/26 , C07D333/20 , C07D333/24 , C09K19/32 , C09K19/34 , C09K19/54 , C07D333/26 , G02F1/13
CPC分类号: C07D239/26 , C07C255/52 , C07C255/54 , C07C323/62 , C07C331/28 , C07D333/20 , C07D333/24 , C09K19/322 , C09K19/3441 , C09K19/3458 , C09K19/3461 , C09K19/3497 , C09K19/544 , Y10T428/10
摘要: Liquid crystal compounds of formula (I) are described, where formula (I) is given as R.sub.1 --A--(X.sub.m --(B).sub.n --R.sub.2 where A is selected from nathyl, flourinated naphthyl, brominated naphthyl, B is selected from phenyl, methylated phenyl, brominated phenyl, fluorinated phenyl, thiophene, pyrimidine and pyridine, R.sub.1 and R.sub.2 are independently selected from alkyl, alkoxy, alkynyl, thioalkyl, Br, CN, SCN, NCS, perfluoroalkyl, perfluoroalkoxy and hydrogen, X is selected from C.tbd.C, COO and C.tbd.C, m is 0 or 1, n is 0 or 1 where m is 1 and n is 0 where m is 0; provided that where A is naphthyl, n is 1 and m is 0 then B is selected from methylated phenyl, brominated phenyl, thiophene, pyrimidine and pyridine; and further provided that where A is naphthyl, X is C.tbd.C, m is 1 and n is 1, then B is selected from thiophene, pyrimidine and pyridine. Also described are liquid crystal compounds suitable for inclusion in devices utilizing pretransitional characteristics of liquid crystalline materials in the isotropic phase and described by formula (II): R.sub.3 --J--(Y).sub.p --(Z).sub.q --R.sub. 4, where J is selected from nathyl, fluorinated naphthyl, brominated naphthyl, Z is selected from phenyl, methylated phenyl, brominated phenyl, fluorinated phenyl, thiophene, pyrimidine and pyridine, R.sub.1 and R.sub.2 are independently selected from alkyl, alkoxy, alkynyl, thioalkyl, Br, CN, SCN, NCS, perfluoroalkyl, perfluoroalkoxy and hydrogen, Y is selected from C.dbd.C, COO and C.dbd.C, p is 0 or 1, q is 0 or 1 where p is 1 and q is 0 where p is 0.
摘要翻译: 描述了式(I)的液晶化合物,其中式(I)为R1-A-(Xm-(B)n-R2,其中A选自萘基,氟化萘基,溴化萘基,B选自苯基 ,甲基化苯基,溴化苯基,氟化苯基,噻吩,嘧啶和吡啶,R1和R2独立地选自烷基,烷氧基,炔基,硫代烷基,Br,CN,SCN,NCS,全氟烷基,全氟烷氧基和氢,X选自C 3,C,COO和C 3 B C,m为0或1,n为0或1,其中m为1,n为0,其中m为0;条件是其中A为萘基,n为1,m为0,B为 选自甲基化苯基,溴化苯基,噻吩,嘧啶和吡啶;并且进一步规定,其中A为萘基,X为C 3 C 10,m为1,n为1,则B为噻吩,嘧啶和吡啶。 是适于包含在利用液晶材料的预过滤特性的器件中的液晶化合物 各向同性相并由式(II)描述:R3-J-(Y)对(Z)qR 4,其中J选自萘基,氟化萘基,溴化萘基,Z选自苯基,甲基化苯基,溴化苯基 ,氟化苯基,噻吩,嘧啶和吡啶,R1和R2独立地选自烷基,烷氧基,炔基,硫代烷基,Br,CN,SCN,NCS,全氟烷基,全氟烷氧基和氢,Y选自C = C,COO和C = C,p为0或1,q为0或1,其中p为1,q为0,其中p为0。
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公开(公告)号:US4309304A
公开(公告)日:1982-01-05
申请号:US191775
申请日:1980-09-29
CPC分类号: C09K19/46
摘要: In accordance with the invention, a liquid crystal composition for multiplexed twisted neumatic displays which exists in a nematic mesophase from at least about -20.degree. C. to 50.degree. C. comprises:(a) From three to five cyanobiphenyl compounds represented by the formula: ##STR1## wherein R is selected from the group consisting of straight chain alkyl groups having two to ten carbon atoms, the propoxy radical ranging from about 5 to 12% by weight of the total composition, and the substituent ##STR2## ranging from about 5 to 12% by weight of the total composition wherein R' is selected from the group consisting of straight chain alkyl groups having three to five carbon atoms, and wherein the saturated ring has a trans conformation, at least one of said compounds having R as an alkyl group with two to five carbon atoms and wherein compounds having R as an alkyl group with two or four carbon atoms range from about 3 to 10% by weight of the total composition and at least one of said compounds having R as an alkyl group with seven to ten carbon atoms and ranging from about 20 to 50% by weight of the total composition;(b) at least one cyclohexane carboxylate ester compound represented by the formula: ##STR3## wherein R.sup.1 is selected from the group consisting of straight chain alkyl groups having two to three carbon atoms, wherein R.sup.2 is selected from the group consisting of straight chain alkoxy groups having three to six carbon atoms, and wherein the saturated ring has a trans conformation; and(c) at least one para-substituted phenyl benzoate ester represented by the formula: ##STR4## wherein R.sup.3 is selected from the group consisting of straight chain alkyl groups having three to seven carbon atoms, and wherein R.sup.4 is selected from the group consisting of straight chain alkyl groups having five to nine carbon atoms.
摘要翻译: 根据本发明,存在于向列型中间相中的至少约-20℃至50℃的复合扭转神经显示器的液晶组合物包括:(a)由式(I)表示的三至五个氰基联苯化合物 :其中R选自具有2至10个碳原子的直链烷基,丙氧基占总组合物重量的约5至12重量%,取代基“IMAGE”的范围从约 5至12重量%的总组合物,其中R'选自具有3至5个碳原子的直链烷基,并且其中饱和环具有反式构象,所述化合物中的至少一种具有R为 具有2至5个碳原子的烷基,其中R为具有2或4个碳原子的烷基的化合物的范围为总组合物的约3至10重量%,并且至少一个所述化合物 R为具有7至10个碳原子并且占总组合物重量的约20至50重量%的烷基; (b)至少一种由下式表示的环己烷羧酸酯化合物:其中R 1选自具有2至3个碳原子的直链烷基,其中R 2选自直链烷氧基 具有3至6个碳原子的基团,并且其中饱和环具有反式构象; 和(c)由下式表示的至少一种对位取代的苯甲酸苯酯:其中R 3选自具有3-7个碳原子的直链烷基,并且其中R 4选自 具有5至9个碳原子的直链烷基。
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公开(公告)号:US5618929A
公开(公告)日:1997-04-08
申请号:US474123
申请日:1995-06-07
申请人: Kenneth J. Harrison , Michael J. Cook , Andrew J. Thomson , Neil B. McKeown , Mervyn F. Daniel , Adrian J. Dunn
发明人: Kenneth J. Harrison , Michael J. Cook , Andrew J. Thomson , Neil B. McKeown , Mervyn F. Daniel , Adrian J. Dunn
IPC分类号: G02F1/13 , B41M5/26 , C07D487/22 , C07F1/08 , C09B47/04 , C09B47/067 , C09B47/12 , C09B67/00 , C09K19/32 , C09K19/34 , C09K19/40 , C09K19/60 , G02B5/22 , G02F1/133 , G03G5/06 , G11B7/244 , G03C1/00
CPC分类号: C09K19/3488 , C09B47/045 , C09B47/0673 , C09B47/0675 , C09B67/0032 , C09K19/40 , C09K19/60
摘要: Substituted phthalocyanines of a formula (I) ##STR1## wherein M is a metal atom or a metal halide or oxide, or M is 2H, one H being bonded to each of the bonding N atoms (29 and 31 positions) shown, R.sub.1 to R.sub.8 are the same or different and are independently selected from C.sub.1 to C.sub.20 alkyl, C.sub.1 -C.sub.20 alkenyl, --X--COO--X.sup.1, --X--O--Y, .alpha., and --X--COZ where X is independently selected from a chemical bond, (--CH.sub.2).sub.n where n=0-20 or (CH.sub.2).sub.n --CH.dbd.CH (--CH.sub.2).sub.b where a and b are independently selected from 0-20 and a+b is in the range 0-20, X.sup.1 is independently selected from C.sub.1 -C.sub.20 alkyl or C.sub.2 -C.sub.20 alkenyl, Y is independently selected from C.sub.1 -C.sub.20 alkyl, C.sub.2 -C.sub.20 alkenyl or H and Z is selected from OH or NR.sup.1 R.sup.11 where R.sup.1 and R.sup.11 are independently selected from H, C.sub.1 -C.sub.20 alkyl and C.sub.2 -C.sub.20 alkenyl, provided that where Y is alkyl and X is a chemical bond at least one of the groups R.sub.1 -R.sub.8 is selected from --X--COO--X.sup.1 and --X--COZ, and further provided that is R.sub.1 -R.sub.8 all contain more than 6 carbon atoms and are all selected from alkyl or --X--O--Y where X is --(CH.sub.2)--.sub.n and Y is alkyl then R.sub.1 -R.sub.8 are not all in the 2, 3, 9, 10, 16, 17, 23 and 24 positions indicated in formula I. These phthalocyanines may exhibit discotic liquid crystal phases, absorb infra-red radiation and make good Langmuir-Blodgett films.
摘要翻译: 式(I)的取代酞菁(I)其中M是金属原子或金属卤化物或氧化物,或M是2H,一个H键合到每个键合的N原子(29和31位),显示出 R 1至R 8相同或不同且独立地选自C 1至C 20烷基,C 1 -C 20链烯基,-X-COO-X1,-XOY,α和-X-COZ,其中X独立地选自化学键 ,(-CH 2)n,其中n = 0-20或(CH 2)n -CH = CH(-CH 2)b其中a和b独立地选自0-20,a + b在0-20的范围内,X1 独立地选自C 1 -C 20烷基或C 2 -C 20烯基,Y独立地选自C 1 -C 20烷基,C 2 -C 20烯基或H,Z选自OH或NR 1 R 11,其中R 1和R 11独立地选自H, C20烷基和C2-C20烯基,条件是当Y为烷基且X为化学键时,R1-R8基团中的至少一个选自-X-COO-X1和-X-COZ,并且进一步提供为R1 -R8全部含有多于6个碳原子,并且都是选择的 由烷基或-XOY表示,其中X是 - (CH 2)-n,Y是烷基,则R 1 -R 8不全部在式I中所示的2,3,9,10,16,17,23和24位。这些酞菁 可能会出现盘状液晶相,吸收红外线辐射并制成良好的Langmuir-Blodgett薄膜。
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