ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,932, issued on April 29, was assigned to Guangdong University of Technology (Guangzhou, China).

"Method for mass transfer of mini light-emitting diodes (mini-LEDs) using sliding-on-membrane pin ejection" was invented by Yun Chen (Guangzhou, China), Yanhui Chen (Guangzhou, China), Li Ma (Guangzhou, China), Hao Zhang (Guangzhou, China), Jintao Chen (Guangzhou, China), Maoxiang Hou (Guangzhou, China) and Xin Chen (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ejector pin sliding on membrane-based device and method for mass transfer of mini light-emitting diodes (Mini-LEDs) are provided. The device includes a gantry transverse beam. ...