US Patent Issued to Universal Display on July 21 for "Organic electroluminescent materials and devices" (Pennsylvania, New Jersey Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,696, issued on July 21, was assigned to Universal Display Corp. (Ewing, N.J.).

"Organic electroluminescent materials and devices" was invented by Elena Sheina (Langhorne, Pa.), Alexey Borisovich Dyatkin (Ambler, Pa.), George Fitzgerald (Lambertville, N.J.), Jui-Yi Tsai (Newtown, Pa.), Hsiao-Fan Chen (Lawrence Township, N.J.) and Geza Szigethy (Newtown, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound including a tetradentate ligand, LA, is provided. In the compound, LA is coordinated to a metal M selected from Pt, Pd, Cu, Ag, and Au; LA comprises a first moiety and a second moiety that are different form each other and are independently...