ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,532,597, issued on Jan. 20, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).
"Organic light-emitting device" was invented by Jinwon Sun (Yongin-si, South Korea), Jaejin Lyu (Yongin-si, South Korea), Jungsub Lee (Yongin-si, South Korea), Hyun Shin (Yongin-si, South Korea) and Yoonkyoo Lee (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer having a first layer, and the first layer includes a first compound, a se...