Universal Display Corporation
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Abstract:

Provided are novel Iridium and Platinum complexes containing heterocyclic benzo-fused ligands. The disclosed compound can include a ligand L.sub.A having a structure of Formula I: ##STR00001## Also provided are formulations comprising these novel Iridium and Platinum complexes. Further provided are OLEDs and related consumer products that utilize these novel Iridium and Platinum complexes.