Patent ID: 11895917
Assignee: IDEMITSU KOSAN CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 20:
21. An organic electroluminescence device comprising one or more organic thin film layers including a light emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers contains the material for an organic electroluminescence device represented by any one of formulae (9) and (12) according to claim 1 as a compound having a π-conjugated heteroacene skeleton crosslinked with a carbon atom, oxygen atom, or sulfur atom, wherein the organic electroluminescence device further comprises an electron transporting layer between the light emitting layer and the cathode, and wherein the electron transporting layer contains the material for an organic electroluminescence device as a host material.