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

Claim 2:
3. The copolymer of claim 2, wherein the group represented by Chemical Formula 1-2 is a group of Chemical Formulas 3 to 18:, wherein, in Chemical Formulas 3 to 18,
L2 is a single bond, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 3 to 30 ring-member atoms,
each R2 and each R3 are independently a hydrogen, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 3 to 30 ring-member atoms,
R4 and R5 are independently a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms,
b is an integer of 0, 1, 2, or 3, and
c is an integer of 0, 1, 2, 3, or 4.