ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,414,459, issued on Sept. 9, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Gyeonggi-Do, South Korea).

"Organometallic compound, organic light-emitting device including the same, and diagnostic composition including the organometallic compound" was invented by Jongwon Choi (Yongin-si, South Korea), Sukekazu Aratani (Hwaseong-si, South Korea), Kum Hee Lee (Suwon-si, South Korea), Banglin Lee (Suwon-si, South Korea), Hyeonho Choi (Seoul, South Korea), Seungyeon Kwak (Suwon-si, South Korea), Yoonhyun Kwak (Seoul, South Korea), Sangdong Kim (Seongnam-si, South Korea), Jiwhan Kim (Seoul, South Korea), Chul Baik (Suwon-si, South Korea) and Yongsuk Cho (Hwaseong-si, South Korea).

According t...