Universal Display Corporation
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

Abstract:

Provided are compounds containing platinum which is coordinated by a tetradentate ligand wherein the tetradentate ligand comprises at least one five-membered ring comprising at least one nitrogen atom which is fused to a further five- or six membered ring. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.