ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,847, issued on Aug. 5, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).
"Organic light emitting display apparatus" was invented by Sangjin Jeon (Hwaseong-si, South Korea), Dongwoo Kim (Gyeonggi-do, South Korea) and Sang-uk Lim (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An organic light-emitting display apparatus includes an organic light-emitting diode, a switching transistor, a first light emission control transistor, and a driving transistor. The organic light-emitting diode includes an anode and a cathode for receiving a reference voltage. The switching transistor includes a gate electrode for receivin...