ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,878, issued on Aug. 19, was assigned to TCL TECHNOLOGY GROUP Corp. (Huizhou, China).
"Method for preparing quantum dot light-emitting diodes" was invented by Jie Zhang (Guangdon, China) and Chaoyu Xiang (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a quantum dot light-emitting diode, including the following steps: providing a substrate, the substrate is a cathode substrate; or the substrate is an anode substrate provided with a quantum dot light-emitting layer, and the quantum dot light-emitting layer is arranged on the anode surface of the anode substrate; placing the substrate in an inert atmosphere contai...