ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,527,200, issued on Jan. 13, was assigned to LG Display Co. Ltd. (Seoul, South Korea).
"Organic light emitting display device" was invented by Su-Jin Chang (Paju-si, South Korea), Kyu-Hwan Lee (Paju-si, South Korea) and Ji-Su Yoon (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An organic light emitting display device includes a substrate including first to third sub-pixels; first to third light emitting diodes disposed on the substrate and respectively located in the first to third sub-pixels; and a transmittance control layer, light emitted from the first to third light emitting diodes being transmitted toward the transmittance con...