Patent ID: 11877509
Assignee: LG CHEM, LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 16:
17. The organic light emitting device of claim 16, wherein Ar3 is a pyrene skeleton, L6 is a single bond, and X1 and X2 are the same as or different from each other, and are each independently an aryl group unsubstituted or substituted with an alkyl group; or a C5 to C30 heterocyclic group, and r is 2, and
X5 and X6 of Chemical Formula 4 are the same as or different from each other, and are each independently a 1-naphthyl group or a 2-naphthyl group, and s1 and s2 are 0.