US Patent Issued to Universal Display on May 6 for "Phosphorescence-sensitized delayed fluorescence light emitting system" (Pennsylvania, New Jersey Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,295,199, issued on May 6, was assigned to Universal Display Corp. (Ewing, N.J.).

"Phosphorescence-sensitized delayed fluorescence light emitting system" was invented by Woo-Young So (Richboro, Pa.), Jui-Yi Tsai (Newtown, Pa.) and Chuanjun Xia (Lawrenceville, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a device that includes an emissive material or region including a host that is doped with a first material as an emitter that is an acceptor and a phosphorescent-capable second material as a sensitizer. The first material and the second material each has a first singlet state and a first triplet state. The first triplet state of the se...