ALEXANDRIA, Va., July 7 -- United States Patent no. 12,677,529, issued on July 7, was assigned to LG DISPLAY Co. LTD. (Seoul, South Korea).
"Organic light emitting device" was invented by Chun-Ki Kim (Paju-si, South Korea), Jeong-Eun Won (Paju-si, South Korea), Seung-Ryong Joung (Paju-si, South Korea) and Yo-Sub Lee (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An organic light emitting device (e.g., a display device or a lighting device) is described, which includes a substrate; and an OLED over the substrate, the organic light emitting diode comprising: a cathode; an anode over the cathode; and an organic light emitting layer including a first emitting part, a second emitting part be...