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Luminescent Cyclometallated Iridium (III) Complexes Having Acetylide Ligands

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
The present invention relates to phosphorescent (triplet-emitting) organometallic materials. The phosphorescent materials of the present invention comprise Ir(III)cyclometallated alkynyl complexes for use as triplet light-emitting materials. The Ir(III)cyclometallated alkynyl complexes comprise at least one cyclometallating ligand and at least one alkynyl ligand bonded to the iridium. Also provided is an organic light emitting device comprising an anode, a cathode and an emissive layer between the anode and the cathode, wherein the emissive layer comprises a Ir(III)cyclometallated alkynyl complex as a triplet emitting material.
Thompson, Mark E. (Anaheim, CA), Bossi, Alberto (Gallarate, IT), Djurovich, Peter ivan (Los Angeles, CA)
14/ 450,708
August 4, 2014
GOVERNMENT RIGHTS [0002] The present invention was made under Department of Energy Grant No. DE-FC26-08NT01585. The government may have certain rights to the subject invention.