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    • 3. 发明专利
    • Polarizing element and method of producing the same
    • 偏振元件及其制造方法
    • JP2010152351A
    • 2010-07-08
    • JP2009269105
    • 2009-11-26
    • Fujifilm Corp富士フイルム株式会社
    • MORISHIMA SHINICHIUDAGAWA HIDESATO
    • G02B5/30C09B31/16C09B33/16C09B35/34C09K19/60G02F1/1335G02F1/13363
    • C09K19/601C09K19/22C09K19/24C09K19/3444C09K19/3497G02B5/3025G02F1/133528G02F2202/04G02F2203/04Y10T428/10Y10T428/1041
    • PROBLEM TO BE SOLVED: To provide a polarizing element containing a transparent support; a light absorption anisotropic layer formed of a dichroic dye composition; and a transparent resin cured layer, with the layer being laminated in this order on the transparent support, and having excellent durability and dichroic ratio. SOLUTION: The polarizing element, containing: a transparent support; a light absorption anisotropic layer formed of a dichroic dye composition; and a transparent resin cured layer, with the layers being laminated in this order on the transparent support, and with the composition containing at least one dichroic dye which has nematic mesomorphism of formula (I) but contains no liquid crystalline achromatic compound, wherein R 1 to R 4 are independently a hydrogen atom or a substituent; R 5 and R 6 are independently a hydrogen atom or an alkyl group; L 1 represents -N=N-, -CH=N-, -N=CH-, -C(=O)O-, -OC(=O)-, or -CH=CH-; A 1 represents a phenyl, naphthyl or aromatic heterocyclic group; B 1 represents a divalent aromatic hydrocarbon or divalent aromatic heterocyclic group; and n is an integer from 1 to 5. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种包含透明支撑体的偏振元件; 由二色性染料组合物形成的光吸收各向异性层; 和透明树脂固化层,其中该层依次层压在透明支撑体上,并且具有优异的耐久性和二向色比。

      解决方案:偏振元件包含:透明支撑体; 由二色性染料组合物形成的光吸收各向异性层; 和透明树脂固化层,其中这些层依次层叠在透明载体上,并且组合物含有至少一种具有式(I)的向列型构型但不含液晶无色性化合物的二色性染料,其中R' SP> 1 至R 4 独立地为氢原子或取代基; R 6和R 6独立地是氢原子或烷基; L 1表示-N = N-,-CH = N-,-N = CH-,-C(= O)O-,-OC(= O) - 或-CH = CH - ; A 1 表示苯基,萘基或芳族杂环基; B 1 表示二价芳族烃或二价芳族杂环基; 并且n为1至5的整数。版权所有(C)2010,JPO&INPIT