Patent ID: 11917907
Assignee: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 6:
7. The organic electroluminescent device according to claim 1, wherein in formula 3, A4 and A5, each independently, represent a substituted or unsubstituted (C6-C30)aryl; L3 represents a single bond or a substituted or unsubstituted (C6-C18)arylene; Z1 to Z9, each independently, represent hydrogen, deuterium, a halogen, a cyano, a substituted or unsubstituted (C1-C30)alkyl, a substituted or unsubstituted (C6-C30)aryl, or a substituted or unsubstituted 6- to 30-membered heteroaryl, provided that one to three pairs selected from Z1 and Z2, Z2 and Z3, Z4 and Z5, Z5 and Z6, Z7 and Z8, and Z8 and Z9, as a pair of adjacent substituents, may form a substituted or unsubstituted (C3-C30), mono- or polycyclic aromatic ring, whose carbon atom(s) may be replaced with one to three hetero atoms selected from nitrogen, oxygen, and sulfur; n represents an integer of 0 or 1; and t represents an integer of 1 or 2.