ORGANIC ELECTROLUMINESCENT DEVICE MATERIAL, ORGANIC ELECTROLUMINESCENT DEVICE, DISPLAY DEVICE AND LIGHTING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an organic electroluminescent device material having high luminous efficiency and a long emission life and an organic electroluminescent device. SOLUTION: The organic electroluminescent device material is a metal complex of Ir, Rh, Os and the like represented by formula (1), and the tridentate ligand P1or P2has a≥2C substituent which inhibits bidentate. COPYRIGHT: (C)2007,JPO&INPIT