Universal Display Corporation
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
Last updated:
Abstract:
Novel phosphorescent metal complexes containing ligands having the Formula I: ##STR00001## bearing either a naphthalene or other fused heterocycle moieties such as benzofuran and benzothiophene useful as emitters in OLEDs and improve the device efficiency and the FWHM of the emission are disclosed.
Status:
Application
Type:
Utility
Filling date:
4 Apr 2019
Issue date:
1 Aug 2019