PROCESSED PIGMENT, PIGMENT-DISPERSED COMPOSITION, COLORED PHOTOSENSITIVE COMPOSITION, COLOR FILTER, LIQUID CRYSTAL DISPLAY ELEMENT, AND SOLID IMAGE PICKUP ELEMENT
申请人:FUJIMAKI Kazuhiro
公开号:US20090068575A1
公开(公告)日:2009-03-12
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, R
C
, R
D
, A
1
and P
1
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.