| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel heteroleptic complex which is useful in organic light-emitting devices and consists of a phosphorescent molecule.SOLUTION: A heteroleptic iridium compound has a phenylpyridine of the following formula and phenyl benzimidazole. In the formula, n is 1 or 2; Rto Rare independently H, alkyl, heteroalkyl, aryl, substituted aryl, heteroaryl or substituted heteroaryl; Ris alkyl, heteroalkyl, substituted aryl or substituted heteroaryl; and Rdoes not form a conjugated system with a part other than the Rof the imidazole structure.SELECTED DRAWING: None |
