Universal Display Corporation
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Abstract:

Provided are organometallic compounds having a formula Ir(L.sub.A)(L.sub.B)(L.sub.C), wherein: ligand L.sub.A is ##STR00001## ligand L.sub.B is ##STR00002## and ligand L.sub.C is ##STR00003## Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.