ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,947, issued on Nov. 4, was assigned to LG DISPLAY Co. LTD. (Seoul, South Korea).

"White organic light-emitting device and display device using the same" was invented by Yu Jeong Lee (Seoul, South Korea) and Wook Song (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A white organic light-emitting device including a first electrode, a second electrode, the second electrode and the first electrode facing each other, a blue light-emitting stack, a phosphorescent light-emitting stack including a hole transport layer, an electron transport layer, a red light-emitting layer, and a green light-emitting layer that includes a hole-transportin...