ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,801, issued on Sept. 16, was assigned to LG CHEM Ltd. (Seoul, South Korea).
"Organic light-emitting device" was invented by Miyeon Han (Daejeon, South Korea), Sung Kil Hong (Daejeon, South Korea), Dong Hoon Lee (Daejeon, South Korea), Jungoh Huh (Daejeon, South Korea), Hyungjin Lee (Daejeon, South Korea) and Dongheon Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an organic light-emitting device comprising: a first electrode; a second electrode provided to face the first electrode; and a first organic material layer and a second organic material layer provided between the first electrode and the second electrod...