Universal Display Corporation
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Abstract:

Provided are novel C.sub.3-symmetry high T.sub.1 energy host compounds. Also provided are formulations comprising these novel C.sub.3-symmetry high T.sub.1 energy host compounds. Further provided are OLEDs and related consumer products that utilize these novel C.sub.3-symmetry high T.sub.1 energy host compounds. The novel host compounds are represented by Formula I ##STR00001## where the variables are defined herein.