ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,446, issued on April 29, 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), Yongsuk Cho (Hwaseong-si, South Korea), Yoonhyun Kwak (Seoul, South Korea), Hyun Koo (Seongnam-si, South Korea), Ohyun Kwon (Seoul, South Korea), Soyeon Kim (Seoul, South Korea), Sukekazu Aratani (Hwaseong-si, South Korea), Jiyoun Lee (Anyang-si, South Korea), Kyuhyun Im (Seongnam-si, South Korea) and Dmitry Kravchuk (Hwaseong-si, South Korea).

According to the abstract* released by the U.S...