Patent ID: 11968894
Assignee: IDEMITSU KOSAN CO., LTD.
Field: Basic materials chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 12:
13. The organic electroluminescence device according to claim 1, wherein
the third compound has at least one partial structure represented by formula (3) in one molecule, and
when a plurality of partial structures represented by formula (3) are present, the plurality of partial structures are mutually the same or different,, , where: X3 is a substituted or unsubstituted fused aromatic hydrocarbon group having 10 to 40 ring carbon atoms;
Ar11 and Ar12 are each independently a group selected from the group consisting of a substituted or unsubstituted aromatic hydrocarbon group having 6 to 40 ring carbon atoms and a substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms;
L11 to L13 are each independently a single bond or a linking group;
when L11 to L13 are linking groups, the linking groups are selected from the group consisting of a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms and a divalent residue of a substituted or un substituted heterocyclic group having 5 to 30 ring atoms; and
p is an integer of 1 to 4.