US Patent Issued to Universal Display on Aug. 25 for "Organic electroluminescent materials and devices" (Pennsylvania, New Jersey Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,721,029, issued on Aug. 25, was assigned to Universal Display Corp. (Ewing, N.J.).

"Organic electroluminescent materials and devices" was invented by Zhiqiang Ji (Chalfont, Pa.), Alexey Borisovich Dyatkin (Ambler, Pa.), Pierre-Luc T. Boudreault (Pennington, N.J.) and Wei-Chun Shih (Lawrenceville, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are organometallic compounds comprising a first ligand LA which is based on a structure of fused five and six-membered rings according to Formula I as described herein and their various uses including as emitters in devices. Also provided are formulations comprising these compounds. Further provided a...