Patent ID: 8592604

Claim:
A thiazolothiazole polymer represented by the following Formula (II): wherein each Y is the same and represents a divalent hydrocarbon group; each R 2 is the same and represents a hydrogen atom, a substituted or unsubstituted phenyl group, a substituted or unsubstituted toluoyl group, or a substituted or unsubstituted aralkyl group; each m is the same and represents an integer of from 1 to 5; p represents an integer of from 5 to 5000; and A represents a unit represented by the following Formula (III): wherein each Ar 1 is the same and represents a substituted or unsubstituted monovalent aromatic group; n represents an integer of 0 or 1; and each (x) represents a point at which the unit represented by Formula (III) attaches to the thiazolothiazole polymer represented by Formula (II).