US Patent Issued to Universal Display on Oct. 27 for "Organic electroluminescent materials and devices" (Pennsylvania Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,777,839, issued on Oct. 27, was assigned to Universal Display Corp. (Ewing, N.J.).

"Organic electroluminescent materials and devices" was invented by Nicholas J. Thompson (New Hope, Pa.) and Chun Lin (Yardley, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an organic light emitting device (OLED) having an emission spectrum, the OLED comprising: an anode; a cathode; and an emissive region, disposed between the anode and the cathode, comprising: a first host material having a highest occupied molecular orbital (HOMO) energy and a lowest unoccupied molecular orbital (LUMO) energy; and an emitter material having a HOMO energy and a LUMO ener...