COLORING COMPOSITION, DICHROIC DYE COMPOUND, LIGHT ABSORPTION ANISOTROPIC FILM, LAMINATE, AND IMAGE DISPLAY DEVICE
申请人:FUJIFILM Corporation
公开号:US20190071571A1
公开(公告)日:2019-03-07
A dichroic dye compound has an excellent alignment property when used in a light absorption anisotropic film, and has excellent solubility. A coloring composition contains the dichroic dye compound having a structure represented by Formula (1). In Formula (1), A and B represent a crosslinkable group, a and b are 0 or 1, and a+b is not less than 1. L
1
and L
2
represent a monovalent substituent, a single bond, or a divalent linking group. Each of Ar
1
to Ar
3
represents an aromatic hydrocarbon group or heterocyclic group. R
1
to R
3
represent a monovalent substituent. k represents an integer of 1 to 4. n1, n2, and n3 represent an integer of 0 to 4. In a case where k is 1, n1+n2+n3 is not less than 0, and in a case where k is not less than 2, n1+n2+n3 is not less than 1.
一种二色性染料化合物在光吸收各向异性薄膜中具有优异的取向性能,并具有优异的溶解性。一种着色组合物包含具有由公式(1)表示的结构的二色性染料化合物。在公式(1)中,A和B表示可交联基团,a和b为0或1,a+b不小于1。L1和L2表示一价取代基、单键或二价连接基团。Ar1到Ar3中的每一个表示芳香碳氢基团或杂环基团。R1到R3表示一价取代基。k表示1到4的整数。n1、n2和n3表示0到4的整数。在k为1的情况下,n1+n2+n3不小于0,在k不小于2的情况下,n1+n2+n3不小于1。