ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,959, issued on Aug. 25, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"Display substrate and preparation method therefor, and display apparatus" was invented by Haitao Huang (Beijing), Chuanxiang Xu (Beijing), Yong Yu (Beijing), Huili Wu (Beijing), Zhao Cui (Beijing), Wenqu Liu (Beijing), Shi Shu (Beijing), Lina Jing (Beijing), Detian Meng (Beijing) and Zibo Ni (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a base substrate, at least one insulating film layer disposed on the base substrate, and a first electrode disposed ...