ALEXANDRIA, Va., July 16 -- United States Patent no. 12,364,095, issued on July 15, was assigned to Universal Display Corp. (Ewing, N.J.).

"Organic electroluminescent devices" was invented by Nicholas J. Thompson (New Hope, Pa.), Marc A. Baldo (Cambridge, Mass.), Michael S. Weaver (Princeton, N.J.) and Vinod M. Menon (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "An OLED is disclosed that includes an enhancement layer having optically active metamaterials, or hyperbolic metamaterials, which transfer radiative energy from the organic emissive material to a non-radiative mode, wherein the enhancement layer is disposed over the organic emissive layer opposite from the first electrode, and is positione...