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    • 2. 发明授权
    • Liquid crystal composition
    • 液晶组成
    • US4600527A
    • 1986-07-15
    • US465391
    • 1983-02-10
    • Shuji ImazekiAkio MukohMikio SatoMasaharu KanekoTomio YoneyamaJunko Iwanami
    • Shuji ImazekiAkio MukohMikio SatoMasaharu KanekoTomio YoneyamaJunko Iwanami
    • C09B29/00C09B31/00C09B35/00C09B43/10C09B43/28C09K19/60G02F1/137G09F9/00G02F1/13
    • C09B29/00C09B31/00C09B35/00C09B43/10C09B43/28C09K19/601
    • A liquid crystal composition containing azo dyes represented by the formula (I.sub.0) ##STR1## wherein X represents ##STR2## A.sup.1 represents --O-- or --NH--, R.sup.1 represents a hydrogen atom, an alkyl group, an alkoxyalkyl group, an aryloxyalkyl group, a dialkylaminoalkyl group, an arylaminoalkyl group, a cycloalkyl group, an alkoxy group, an alkoxyalkoxy group, an arylalkoxy group, an aryl group, a halogen atom or a group of ##STR3## D.sup.1 and D.sup.2 each represents an aromatic group which does not contain an ionic group; U.sup.1 and U.sup.2 each represents a hydrogen atom, a halogen atom, a methyl group, a methoxy group or an ethoxy group;Y.sup.1 represents --O-- or ##STR4## R represents a hydrogen atom, an alkyl group or may be connected to Z.sup.10 to Z.sup.12 to form a ring;Z.sup.4 to Z.sup.12 each represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a hydroxy group, an acylamino group or a cyano group, or Z.sup.4 and Z.sup.5, Z.sup.7 and Z.sup.8, and Z.sup.10 and Z.sup.11 may be connected to each other to form an aromatic ring; andn represents 0, 1 or 2.
    • 含有由式(I0)表示的偶氮染料的液晶组合物,其中X表示A1表示-O-或-NH-,R1表示氢原子,烷基,烷氧基烷基, 芳氧基烷基,二烷基氨基烷基,芳基氨基烷基,环烷基,烷氧基,烷氧基烷氧基,芳基烷氧基,芳基,卤素原子或者每个表示芳基 其不含离子基团; U1和U2各自表示氢原子,卤素原子,甲基,甲氧基或乙氧基; Y1表示-O-或R表示氢原子,烷基或可与Z10至Z12连接形成环; Z4〜Z12各自表示氢原子,卤素原子,烷基,烷氧基,羟基,酰氨基或氰基,或Z4和Z5,Z7和Z8,Z10和Z11可以连接到 彼此形成芳环; n表示0,1或2。
    • 7. 发明授权
    • Pleochroic azo dyes, a liquid crystal composition containing the azo
dyes and a display device using the liquid crystal composition
    • 多色偶氮染料,含有偶氮染料的液晶组合物和使用该液晶组合物的显示装置
    • US4493532A
    • 1985-01-15
    • US442057
    • 1982-11-16
    • Masaharu KanekoTetsuo OzawaTomio YoneyamaShuji ImazekiAkio MukohMikio Sato
    • Masaharu KanekoTetsuo OzawaTomio YoneyamaShuji ImazekiAkio MukohMikio Sato
    • C09B29/00C09B31/00C09B43/18C09B43/30C09K19/60G02F1/13C09F9/00C09K3/34
    • C09B43/18C09B29/00C09B31/00C09B43/30C09K19/601
    • Pleochroic azo dyes represented by the formula (I): ##STR1## wherein X represents group --OCOR.sup.1 or --COOR.sup.1 (wherein R.sup.1 represents an alkyl group, an alkoxyalkyl group, an alkoxyphenyl group, an alkylcyclohexyl group, an alkoxyalkylcyclohexyl group, a cycloalkylcyclohexyl group, an alkoxycyclohexyl group, or a phenyl group substituted by a substituent selected from among an alkyl group containing 3 to 18 carbon atoms, an alkoxyalkyl group, a cycloalkyl group, an aryl group, a cyano group, a halogen atom, an acyloxy group, a carboxylic acid ester group, and an arylazo group); Y represents a hydrogen atom, an alkyl group, an alkoxyalkyl group, a cycloalkyl group, an alkoxy group, a nitro group, a cyano group, a carboxylic acid ester group, an acyloxy group, an alkylsulfonyl group, an aryl group, a halogen atom, or group ##STR2## wherein R.sup.2 and R.sup.3 each represents a hydrogen atom, an alkyl group, an alkoxyalkyl group, or R.sup.2 and R.sup.3 may be connected to each other to form a nitrogen-containing ring together with the adjacent nitrogen atom; Z.sup.1 to Z.sup.9 each represents a hydrogen atom, a halogen atom, a methyl group, a hydroxy group, a methoxy group or a cyano group, or Z.sup.1, Z.sup.2 and Z.sup.3 may be connected to R.sup.2 or R.sup.3 to form a nitrogen-containing ring, or Z.sup.1 and Z.sup.2, and Z.sup.4 and Z.sup.5, or Z.sup.7 and Z.sup.8 may be connected to each other to form an aromatic ring; at least one of ##STR3## and n represents 0, 1 or 2, a liquid crystal composition containing the pleochroic azo dyes and a display device using the liquid crystal composition.
    • 由式(I)表示的多色偶氮染料:其中X表示-OCOR1或-COOR1基团(其中R1表示烷基,烷氧基烷基,烷氧基苯基,烷基环己基,烷氧基烷基环己基, 环烷基环己基,烷氧基环己基或被选自含有3至18个碳原子的烷基,烷氧基烷基,环烷基,芳基,氰基,卤素原子, 酰氧基,羧酸酯基和芳基偶氮基)。 Y表示氢原子,烷基,烷氧基烷基,环烷基,烷氧基,硝基,氰基,羧酸酯基,酰氧基,烷基磺酰基,芳基,卤素 原子或基团,其中R 2和R 3各自表示氢原子,烷基,烷氧基烷基或R 2和R 3可以彼此连接形成与相邻氮原子一起形成含氮环; Z1〜Z9各自表示氢原子,卤素原子,甲基,羟基,甲氧基或氰基,Z 1,Z 2和Z 3可以与R 2或R 3连接形成含氮环, 或Z 1和Z 2以及Z 4和Z 5或Z 7和Z 8可以彼此连接形成芳香环; + TR 中的至少一个,n表示0,1或2,含有双色偶氮染料的液晶组合物和使用该液晶组合物的显示装置。