ALEXANDRIA, Va., June 19 -- United States Patent no. 12,336,426, issued on June 17, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).
"Organic light-emitting device" was invented by Hwan-Hee Cho (Yongin-si, South Korea), Myeong-Suk Kim (Yongin-si, South Korea) and Hee-Yeon Kim (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An organic light-emitting device including: a first electrode; a second electrode; and an organic layer including an emission layer between the first electrode and the second electrode. The organic layer may include at least one compound selected from a first compound and a second compound, in addition to a third compound. The first compound is repr...