Patent ID: 11950498
Assignee: IDEMITSU KOSAN CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C  G | IPC C  H

Claim 14:
15. The organic electroluminescence device according to claim 13, wherein any one pair of R76 and R77, R77 and R78, and R78 and R79 is bonded to each other to form a ring represented by the following formula (15-1) or (15-2), and R76 to R79 that do not form a ring represented by the formula (15-1) or (15-2) do not form a substituted or unsubstituted, saturated or unsaturated ring:, wherein in the formulas (15-1) and (15-2), the two atomic bondings * are independently bonded to one pair of R76 and R77, R77 and R78, and R78 and R79;
R90 to R93 are independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms, or a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms; and
X13 is O or S.