ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,772,728, issued on Oct. 20, was assigned to Samsung SDI Co. Ltd. (Yongin-si, South Korea).

"Compound for organic optoelectronic device, composition for organic optoelectronic device, organic optoelectronic device and display device" was invented by Junmo Park (Suwon-si, South Korea), Dong Min Kang (Suwon-si, South Korea), Byungku Kim (Suwon-si, South Korea), Hansol Seo (Suwon-si, South Korea), Byoungkwan Lee (Suwon-si, South Korea), Jonghoon Ko (Suwon-si, South Korea), Jin Sook Kim (Suwon-si, South Korea), Hyunjung Kim (Suwon-si, South Korea), Sunwoong Shin (Suwon-si, South Korea), Kipo Jang (Suwon-si, South Korea) and Sung-Hyun Jung (Suwon-si, South Korea).

According to the abstract...