US Patent Issued to BEIJING SUMMER SPROUT TECHNOLOGY on Oct. 28 for "Organic electroluminescent device" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,893, issued on Oct. 28, was assigned to BEIJING SUMMER SPROUT TECHNOLOGY Co. LTD. (Beijing).

"Organic electroluminescent device" was invented by Chi Yuen Raymond Kwong (Beijing), Jianfei Yao (Beijing), Zhen Wang (Beijing), Feng Li (Beijing), Yang Wang (Beijing), Junfei Wang (Beijing), Gang Yang (Beijing), Hongbo Li (Beijing), Ming Sang (Beijing), Wei Cai (Beijing) and Chuanjun Xia (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an organic electroluminescent device. The organic electroluminescent device has a first metal complex containing a ligand with a structure of Formula 1 and a first compound with a structure of Formula 2. C...