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

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,262,630, issued on March 25, was assigned to Universal Display Corp. (Ewing, N.J.).

"Organic electroluminescent materials and devices" was invented by Pierre-Luc T. Boudreault (Pennington, N.J.), Alexey Dyatkin (Ambler, Pa.), David Zenan Li (Princeton, N.J.), Scott Joseph (Ewing, N.J.), Chuanjun Xia (Lawrenceville, N.J.), Hitoshi Yamamoto (Pennington, N.J.), Michael S. Weaver (Princeton, N.J.), Bert Alleyne (Newtown, Pa.) and James Fiordeliso (Yardley, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound having an ancillary ligand L1 having the formula:Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number gr...