ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,545, issued on Feb. 17, was assigned to LG Chem Ltd. (Seoul, South Korea).
"Compound and organic light emitting device comprising the same" was invented by Byeong Yun Lim (Daejeon, South Korea), Jaechol Lee (Daejeon, South Korea), Doowhan Choi (Daejeon, South Korea), Yongwook Kim (Daejeon, South Korea), Young Kwang Kim (Daejeon, South Korea), Minseob Seo (Daejeon, South Korea) and Seung Jun Yoo (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a novel compound represented by the following Chemical Formula 1 and an organic light emitting device including the same: wherein L, L', L1 to L3, Ar1 to Ar3,...