US Patent Issued to Universal Display on May 27 for "Organic electroluminescent materials and devices" (New Jersey Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,745, issued on May 27, was assigned to Universal Display Corp. (Ewing, N.J.).

"Organic electroluminescent materials and devices" was invented by Pierre-Luc T. Boudreault (Ewing, N.J.) and Bert Alleyne (Ewing, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This present invention includes novel ligands for metal complexes, which include three fused cycles or heterocycles. The first ring may be either a pyridine or a pyrimidine ring, which coordinates with the iridium metal. The second ring may be a six-membered ring, which may or may not contain nitrogen atoms. The third ring may be either a five or six membered ring. The combination of these aro...