US Patent Issued to Universal Display on Feb. 10 for "Organic electroluminescent materials and devices" (Pennsylvania, New Jersey Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,550,611, issued on Feb. 10, was assigned to Universal Display Corp. (Ewing, N.J.).

"Organic electroluminescent materials and devices" was invented by Tyler Fleetham (Yardley, Pa.), Woo-Young So (Richboro, Pa.) and Rasha Hamze (Ewing, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are compounds comprising a structure comprising at least five rings which are fused together, and which contain a central nitrogen atom, wherein at least two of the five rings are aromatic and at least one ring is a five-membered ring which is optionally aromatic. Also provided are formulations comprising these compounds. Further provided are organic light emittin...