Patent ID: 11910697
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 3:
4. The copolymer of claim 1, wherein Ar2 is of Chemical Formulas 3 to 6 or Chemical Formulas 11 to 14, and Ar2 is of Chemical Formulas 7 to 14, or an aromatic hydrocarbon group having 6 to 25 carbon atoms that is optionally substituted with a linear alkyl group having 1 to 8 carbon atoms or a branched alkyl group having 3 to 8 carbon atoms:, wherein, in Chemical Formulas 3 to 14,
L2 is a single bond or a phenylene group,
each R2 and each R3 are independently a hydrogen, or an alkyl group having 1 to 10 carbon atoms,
b is an integer of 0, 1, 2, or 3, and
c is an integer of 0, 1, 2, 3, or 4.