US Patent Issued to Beijing Summer Sprout Technology on Sept. 8 for "Electroluminescent material and device thereof" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,215, issued on Sept. 8, was assigned to Beijing Summer Sprout Technology Co. Ltd. (Beijing).

"Electroluminescent material and device thereof" was invented by Zhihong Dai (Beijing), Zhen Wang (Beijing), Chuanjun Xia (Beijing) and Chi Yuen Raymond Kwong (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an electroluminescent material and a device thereof. The electroluminescent material is a metal complex having a ligand represented by Formula 1 and can be used as light-emitting materials in electroluminescent devices. These new metal complexes can effectively regulate and control the luminescence wavelength, reduce the drive voltage...