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.
Status:
Grant
Type:
Utility
Filling date:
15 Sep 2017
Issue date:
7 Dec 2021