Universal Display Corporation
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Abstract:

Provided are compounds of formula Ir(L.sub.A).sub.2L.sub.C where: each ligand L.sub.A can be the same or different and has Formula I ##STR00001## Also provided are formulations comprising these iridium complexes comprising pyridine-azole ligands. Further provided are OLEDs and related consumer products that utilize these iridium complexes comprising pyridine-azole ligands.