ALEXANDRIA, Va., July 28 -- United States Patent no. 12,696,388, issued on July 28, was assigned to Chongqing BOE Electronic Technology Co. Ltd. (Chongqing, China) and BOE Technology Group Co. Ltd. (Beijing).

"Printed circuit board, maintenance method therefor, and display apparatus" was invented by Jie Zhang (Beijing), Guangchao He (Beijing), Qining Mao (Beijing), Tian Feng (Beijing), Yuhao Tong (Beijing), Haihai Xie (Beijing) and Zhicheng Fan (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "In the printed circuit board, normal pads that are not peeled off or damaged are first pads, Each first pad and a wire connected to the first pad have an integrated structure and are directly formed on a substrat...