Patent ID: 11903308
Assignee: IDEMITSU KOSAN CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 2:
3. The organic electroluminescent device according to claim 1, wherein:
the aromatic hydrocarbon having 6 to 30 ring carbon atoms of the substituted or unsubstituted, (n+1)-valent residue of the aromatic hydrocarbon having 6 to 30 ring carbon atoms represented by A1 is a benzene, a biphenyl, a terphenyl, a naphthalene, an anthracene, a benzanthracene, a phenanthrene, a benzophenanthrene, a phenalene, a picene, a pentaphene, a pyrene, a chrysene, a benzochrysene, a fluorene, a fluoranthene, a perylene, or a triphenyl, and
the aromatic heterocyclic compound having 5 to 30 ring atoms of the substituted or unsubstituted, (n+1)-valent residue of the aromatic heterocyclic compound having 5 to 30 ring atoms represented by A1 is a pyrrole, a furan, a thiophene, a pyridine, a pyridazine, a pyrimidine, a pyrazine, a triazine, an imidazole, an oxazole, a thiazole, a pyrazole, an isoxazole, an isothiazole, an oxadiazole, a thiadiazole, a triazole, a tetrazole, an indole, an isoindole, a benzofuran, an isobenzofuran, a benzothiophene, an isobenzothiophene, an indolizine, a quinolidine, a quinoline, an isoquinoline, a cinnoline, a phthalazine, a quinazoline, a quinoxaline, a benzimidazole, a benzoxazole, a benzothiazole, an indazole, a benzisoxazole, a benzisothiazole, a dibenzofuran, a dibenzothiophene, a carbazole, a phenanthridine, an acridine, a phenanthroline, a phenazine, a phenothiazine, a phenoxazine, a xanthene or a benzonitrile.