US Patent Issued to TCL TECHNOLOGY GROUP on June 2 for "Quantum dot film and preparation method thereof, and quantum dot light-emitting diode and preparation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,044, issued on June 2, was assigned to TCL TECHNOLOGY GROUP Corp. (Huizhou, China).

"Quantum dot film and preparation method thereof, and quantum dot light-emitting diode and preparation method thereof" was invented by Xuanyu Zhang (Huizhou, China) and Wenyong Liu (Huizhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a quantum dot film, including: in the presence of an inert gas atmosphere, providing a mixed solution system comprising first quantum dots and a fatty acid solution of first ligands, and performing ligand exchange reaction under a first heating condition, to prepare second quantum dots having the first lig...