US Patent Issued to Chi Ming Che on Dec. 2 for "Tetradentate ligands, gold(III) complexes, preparation method and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,490,645, issued on Dec. 2, was assigned to Chi Ming Che (Hong Kong).

"Tetradentate ligands, gold(III) complexes, preparation method and use thereof" was invented by Chi Ming Che (Hong Kong), Wai Pong To (Hong Kong) and Dongling Zhou (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provides a type of gold(III) complex supported by tetradentate ligand having a structure of formula (I). The light-emitting device prepared by using the complex as a light-emitting layer material or dopant in the light-emitting device has a high external quantum efficiency, and a low efficiency roll-off. In addition, the preparation process of the tetradentate ligand p...