ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,414,433, issued on Sept. 9, was assigned to Universal Display Corp. (Ewing, N.J.).
"Organic electroluminescent devices" was invented by Michael Fusella (Lawrenceville, N.J.), Nicholas J. Thompson (New Hope, Pa.), Michael Stuart Weaver (Princeton, N.J.) and Michael Hack (Carmel, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Emissive devices are provided that include an outcoupling layer having a plurality of nanoparticles such that the outcoupling layer has at least 3 regions possessing distinct bulk refractive index values. One or more dielectric materials are arranged at least partially between the outcoupling layer and an emissive layer of th...