ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,733,394, issued on Sept. 8, was assigned to SFC Co. Ltd. (Cheongju-si, South Korea).
"Organic light-emitting device" was invented by Jin-hwi Cho (Cheongju-si, South Korea), Se-jin Yu (Cheongju-si, South Korea), So-young Shim (Cheongju-si, South Korea) and Yong-woon Yang (Cheongju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a highly efficient organic light-emitting device that uses an anthracene derivative having a characteristic structure as a host compound in a light-emitting layer of the organic light-emitting device and includes a capping layer formed using a compound having a characteristic structure in the organic li...