US Patent Issued to Universal Display on Feb. 25 for "Organic electroluminescent devices" (New Jersey, Pennsylvania, Delaware Inventors)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,239,013, issued on Feb. 25, was assigned to Universal Display Corp. (Ewing, N.J.).

"Organic electroluminescent devices" was invented by Eric A. Margulies (Ewing, N.J.), Zhiqiang Ji (Ewing, N.J.), Nicholas J. Thompson (Ewing, N.J.), Geza Szigethy (Newtown, Pa.), Michael S. Weaver (Ewing, N.J.) and Jerald Feldman (Wilmington, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an OLED structure includes an organic layer having a primary phosphorescent emitter and a first host; where one of the following conditions is true: (1) the organic layer further includes a secondary emitter; or (2) the OLED further includes a second organic layer where ...