System And Method For Producing Light With Organic Light-Emitting Devices

摘要

Disclosed Are Emissive Materials Of Formula (I) Or (Ii), Comprising Two Bidentate No-Type Ligands, Or A Tetradentate Noon-Type Ligand, And A Transition Metal. The Emissive Materials Are Useful As Electrophosphorescent Emitters In Organic Light-Emitting Devices. Also Disclosed Are Methods For Preparing Organic Light-Emitting Diodes Comprising These Emissive Materials, And The Use Of Such Diodes As White And Yellow Organic Light-Emitting Devices.