Dispersed composition, polymerizable composition, light shielding color filter, liquid crystal display device having light shielding color filter, solid-state imaging device, wafer-level lens, and imaging unit having wafer-level lens

摘要

The invention provides a dispersed composition including: (A) titanium black; (B) a polymer compound including a constituent component having a side chain structure to which an acidic group is linked via a linking group; and (C) a solvent. The (B) polymer compound is a polymer having a structure in which an acidic group is linked to a main chain part via a linking group.

主权项

1. A dispersed composition comprising: (A) titanium black; (B) a polymer compound comprising a constituent component having a side chain structure to which an acidic group is linked via a linking group; and (C) a solvent,
wherein: the polymer compound (B) is a polymer compound comprising a constituent component represented by the following formula (1-2): wherein, in formula (1-2), R1 represents an alkyl group, an aryl group, an alkoxy group, an aryloxy group, a heteroaryloxy group, an alkyloxycarbonyl group, an aryloxycarbonyl group, an alkylamide group, an arylamide group, a halogen atom or a nitro group; Q represents a carboxylic acid group; n represents an integer from 0 to 4; m represents an integer from 1 to 5; R2 represents a hydrogen atom or an alkyl group; and Y represents a divalent linking group; the polymer compound (B) further comprises a graft chain having a polyester structure; and the number of atoms other than hydrogen atoms per one graft chain is from 40 to 10,000.