Patent ID: 11937497
Assignee: LG CHEM, LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 2:
3. The organic light emitting device of claim 1, wherein one or more layers of the organic material layer provided between the anode and the light emitting layer each comprises one or more compounds each composed of sp3 carbon as a center and comprising a substituted or unsubstituted amine group, and
one or more layers of the organic material layer provided between the cathode and the light emitting layer each comprises one or more compounds each composed of sp3 carbon as a center and comprising a substituted or unsubstituted nitrogen-containing aromatic 5-membered ring, a substituted or unsubstituted nitrogen-containing aromatic 6-membered ring, or a substituted or unsubstituted nitrogen-containing aromatic polycyclic ring.