ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,318, issued on Nov. 18, was assigned to Universal Display Corp. (Ewing, N.J.).
"Organic electroluminescent materials and devices" was invented by Fadi M. Jradi (Abington, Pa.), Hsiao-Fan Chen (Lawrence Township, N.J.), Nicholas J. Thompson (New Hope, Pa.) and Tyler Fleetham (Yardley, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are organometallic compounds based on platin or palladium and their various uses including as emitters in devices having the structure of Formula I comprising at least four rings as defined herein. Also provided are formulations comprising these compounds. Further provided are organic light emitting devices and...