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    • 6. 发明申请
    • Trisazo Dye, Composition Containing the Same for Anisotropic Dye Film, Anisotropic Dye Film, and Polarizing Element
    • Trisazo染料,各向异性染料膜,各向异性染料膜和极化元素的组成
    • US20070287830A1
    • 2007-12-13
    • US11722924
    • 2005-12-27
    • Hideo SanoMasami KadowakiRyuichi HasegawaTomio Yoneyama
    • Hideo SanoMasami KadowakiRyuichi HasegawaTomio Yoneyama
    • C09B35/362
    • C09B31/18C09B33/22C09K19/601
    • To provide a dye for an anisotropic dye film to be formed by a wet system film-forming method, which is black and which has a high degree of polarization and a high degree of molecular orientation an anisotropic dye film using the dye, and the like. A trisazo dye for an anisotropic dye film to be formed by a wet system film-forming method, of which the free acid form is represented by the following formula (1), a dye composition for an anisotropic dye film containing the dye, an anisotropic dye film, and a polarizing element using the anisotropic dye film: wherein A1 is a phenyl group or aromatic heterocyclic group which may have a substituent, B1 is an aromatic hydrocarbon group which may have a substituent, D1 is an aromatic hydrocarbon group or aromatic heterocyclic group which may have a substituent, R1 is a hydrogen atom, a hydroxyl group or an amino group which may have a substituent, and each of m and n is 0 or 1.
    • 为了提供一种用于通过湿法成膜法形成的各向异性染料膜的染料,该方法是黑色的并且具有高度的偏振度和高分子取向度,使用该染料的各向异性染料膜等 。 用于通过湿式成膜法形成的各向异性染料膜的三偶氮染料,其游离酸形式由下式(1)表示,用于含有染料的各向异性染料膜的染料组合物,各向异性 染料膜和使用各向异性染料膜的偏振元件:其中A 1是可以具有取代基的苯基或芳族杂环基,B 1是芳族烃 可以具有取代基的基团,D 1是可以具有取代基的芳族烃基或芳族杂环基,R 1是氢原子,羟基或 可以具有取代基的氨基,m和n分别为0或1。
    • 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)。