ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,981, issued on Sept. 22, was assigned to GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS Co. LTD (Foshan, China).
"Metal complex and use thereof" was invented by Liangliang Yan (Foshan, China), Lei Dai (Foshan, China) and Lifei Cai (Foshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a metal complex and application thereof. The metal complex has a general formula of Ir(La)(Lb)(Lc), and includes a structure as shown in the following formula (1) as a ligand La. The metal complex provided in the present invention has the advantages of high optical and electrical stability, high luminescence efficiency, long service ...