Universal Display Corporation
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Abstract:

An OLED including an anode, a cathode, and an organic layer between the anode and the cathode, where the organic layer includes a compound having the formula [L.sub.A].sub.3-nIr[L.sub.B].sub.n is disclosed. In the formula, L.sub.A is ##STR00001##