ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,999, issued on Sept. 22, was assigned to OLEDWorks LLC (New York).
"Photonic feedback organic photodiodes and upconverters" was invented by Noel C. Giebink (State College, Pa.), Raju Lampande (University Park, Pa.), John Hamer (Rochester, N.Y.) and Jon-Paul S. Desormeaux (Rochester, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical upconverter, comprising a photodiode coupled to a stacked organic light emitting diode (OLED), the stacked OLED comprising at least two OLED light-emitting units separated by a charge-generation layer (CGL), wherein photocurrent generated by the photodetector causes light emission from the stacked OLED. The ...