Processed pigment, pigment-dispersed composition, colored photosensitive composition, color filter, liquid crystal display element, and solid image pickup element
申请人:FUJIFILM Corporation
公开号:EP2048539A1
公开(公告)日:2009-04-15
Provided are a processed pigment excellent in dispersibility and dispersion stability, a pigment-dispersed composition excellent in dispersibility and dispersion stability of a pigment that uses the processed pigment, a colored photosensitive composition using the pigment-dispersed composition, and a color filter having improved color properties that uses the colored photosensitive composition, in which a pigment is covered with at least one of a specific polymer compound selected from the following (SP-1) to (SP-3);
(SP-1) A polymer compound having a heterocycle on a side chain,
(SP-2) A graft polymer compound having a weight average molecular weight of from 1,000 to 100000,
(SP-3) A polymer compound represented by the following formula (3-1),
wherein, RC , RD, A1 and P1 respectively represent an organic linkage group, a single bond or a divalent organic linkage group, a monovalent organic group containing such as an organic dye structure, and a polymer skeleton.
本发明提供了一种分散性和分散稳定性优异的加工颜料、一种使用该加工颜料的分散性和分散稳定性优异的颜料分散组合物、一种使用该颜料分散组合物的彩色感光组合物以及一种使用该彩色感光组合物的颜色特性得到改善的滤色片,其中,颜料被至少一种选自以下(SP-1)至(SP-3)的特定高分子化合物覆盖;
(SP-1) 侧链上有杂环的聚合物化合物、
(SP-2) 一种接枝聚合物化合物,其重量平均分子量为 1,000 至 100000、
(SP-3) 下式(3-1)所代表的聚合物化合物、
其中,RC、RD、A1 和 P1 分别代表有机连接基团、单键或二价有机连接基团、含有诸如有机染料结构的一价有机基团和聚合物骨架。