| 主权项 |
1. An organic light-emitting element comprising:
a pair of electrodes; and an organic compound layer placed between the pair of electrodes, wherein the organic compound layer has an iridium complex represented by the following general formula [1] and a heterocycle-containing compound represented by the following general formula [5]: in the formula [1]:
R1 to R8 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a trifluoromethyl group, a cyano group, a substituted or unsubstituted aromatic hydrocarbon group, or a substituted or unsubstituted heteroaromatic group;m represents an integer of 1 to 3 and n represents an integer of 0 to 2, provided that m+n equals 3;a ring A represents a cyclic structure selected from a benzene ring, a naphthalene ring, a fluorene ring, a phenanthrene ring, and a 9,9-spirobifluorene ring, and is covalently bonded to a benzo[f]isoquinoline skeleton and an Ir metal, and the ring A may further have a substituent;X represents a bidentate ligand; anda partial structure IrXn comprises any one of structures represented by the following general formulae [2] to [4]: in the formulae [2] to [4] [H]:
R9 to R23 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a trifluoromethyl group, a cyano group, a substituted or unsubstituted aromatic hydrocarbon group, or a substituted or unsubstituted heteroaromatic group, in the formula [5]:
Z represents an oxygen atom or a sulfur atom;a ring B1 and a ring B2 each represent a cyclic structure selected from a benzene ring, a naphthalene ring, a phenanthrene ring, a triphenylene ring, and a chrysene ring, and may be identical to or different from each other;Y1 and Y2 each represent an alkyl group, or a substituted or unsubstituted aromatic hydrocarbon group;a represents an integer of 0 to 4, and when a represents 2 or more, multiple Y1's may be identical to or different from each other;b represents an integer of 0 to 4, provided that when the ring B2 represents a benzene ring, b represents an integer of 0 to 3, and when b represents 2 or more, multiple Y2's may be identical to or different from each other;Ar1 represents a substituted or unsubstituted divalent aromatic hydrocarbon group;Ar2 represents a substituted or unsubstituted monovalent aromatic hydrocarbon group; andp represents an integer of 0 to 4, and when p represents 2 or more, multiple Ar1's may be identical to or different from each other. |
