ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,468, issued on Feb. 17, 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.) and Michael Stuart Weaver (Princeton, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Light emitting devices are provided that include an outcoupling layer in which asymmetric nanoparticles are disposed, where the nanoparticles are aligned such that the difference between each nanoparticle's major axis and the average direction of the major axes of all nanoparticles is minimized. The use of aligned, physically asymmetric nanoparticles leads ...