Patent ID: 11939422
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  H  B | IPC B  C  H

Claim 0:
1. A copolymer comprising a structural unit represented by Chemical Formula 1:, wherein, in Chemical Formula 1,
X is a single bond, -L1a-, or -L1b-L1c-, wherein L1a, L1b, and L1c are each independently a substituted or unsubstituted divalent aromatic hydrocarbon group having 6 to 25 carbon atoms,
L2 and Ar1 are independently substituted or unsubstituted aromatic hydrocarbon group having 6 to 25 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 3 to 25 ring-member atoms,
is a substituted or unsubstituted aromatic hydrocarbon group having 6 to 25 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 3 to 25 ring-member atoms, and
Y is a substituted or unsubstituted divalent aromatic hydrocarbon group having 6 to 60 carbon atoms, or a substituted or unsubstituted divalent aromatic heterocyclic group having 3 to 60 ring-member atoms,
wherein,
L2 and Ar1 join to form a ring.