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

Claim 6:
7. The copolymer of claim 1, wherein
-L2-N(Ar1)(Ar2) is a group represented by Chemical Formula 4A or Chemical Formula 4B:, wherein, in Chemical Formula 4A and Chemical Formula 4B,
R1 and R2 are each independently hydrogen, a linear or branched hydrocarbon group having 1 to 14 carbon atoms, an aromatic hydrocarbon group having 6 to 14 carbon atoms, or an aromatic heterocyclic group having 3 to 25 ring-member atoms,
a and b are each independently an integer of 1 to 4,
* indicates a linking portion with the bridge nitrogen of the main chain carbazole ring of Chemical Formula 1,
Cy is a substituted or unsubstituted N-containing heterocyclic ring group having 5 to 25 ring-member atoms, and
Ar2 is defined as in Chemical Formula 1.