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    • 3. 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。
    • 5. 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。
    • 8. 发明授权
    • Dichroic dye, and liquid-crystal composition and liquid-crystal display
element containing the dye
    • 二色性染料,液晶组合物和含有染料的液晶显示元件
    • US5789556A
    • 1998-08-04
    • US836065
    • 1997-04-18
    • Masaharu KanekoTomio YoneyamaMasami Kadowaki
    • Masaharu KanekoTomio YoneyamaMasami Kadowaki
    • C09B35/56C09K19/60C09K19/12C09K19/32C09K19/34
    • C09B35/56C09K19/601
    • A dichroic azo dye characterized by having a trifluoromethyl-substituted biphenyl framework and being represented by the following general formula, and a guest-host liquid-crystal composition and a liquid-crystal display element each containing the same and having a high order parameter throughout the whole light absorption wavelength range, are provided: ##STR1## (wherein A and B each independently represents an optionally substituted alkyl group, phenyl group or cyclohexyl group; X and X.sup.1 each independently represents a methylene group or a carbonyl group; and R.sub.1 to R.sub.12 each independently represents a hydrogen atom, a halogen atom, a methyl group or a methoxy group, or R.sub.2 and R.sub.3, R.sub.5 and R.sub.6, R.sub.8 and R.sub.9, and R.sub.11 and R.sub.12 may be bonded to each other to form an aliphatic, aromatic or nitrogenous aromatic ring which is a five-membered or larger-membered ring).
    • PCT No.PCT / JP96 / 02316 Sec。 371日期1997年4月18日 102(e)1997年4月18日PCT PCT 1996年8月20日PCT公布。 公开号WO97 / 07184 日期:1997年2月27日是一种二色性偶氮染料,其特征在于具有三氟甲基取代的联苯骨架,由以下通式表示,以及客体主体液晶组合物和液晶显示元件, 提供了整个光吸收波长范围内的高阶参数:其中A和B各自独立地表示任选取代的烷基,苯基或环己基; X和X 1各自独立地表示 表示亚甲基或羰基; R 1〜R 12各自独立地表示氢原子,卤素原子,甲基或甲氧基,或R 2,R 3,R 5和R 6,R 8和R 9,R 11和R 12可以 彼此键合以形成脂族,芳族或含氮芳族环,其为五元或更多元环)。