US Patent Issued to BEIJING SUMMER SPROUT TECHNOLOGY on Sept. 23 for "Organic light emitting material" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,261, issued on Sept. 23, was assigned to BEIJING SUMMER SPROUT TECHNOLOGY Co. LTD. (Beijing).

"Organic light emitting material" was invented by Qi Zhang (Beijing), Xueyu Lu (Beijing), Xinfang Hao (Beijing), Chi Yuen Raymond Kwong (Beijing) and Chuanjun Xia (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an organic light-emitting material. The organic light-emitting material is a metal complex having a ligand with a structure of Formula 1 or Formula 1'. The metal complex can be used as a light-emitting material in an electroluminescent device. These novel metal complexes can effectively adjust a light-emitting color to deep red, ...