ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,999, issued on Aug. 25, was assigned to Hefei BOE Joint Technology Co. Ltd. (Hefei, China) and BOE Technology Group Co. Ltd. (Beijing).

"Display substrate and display apparatus" was invented by Can Yuan (Beijing), Yongqian Li (Beijing), Cheng Xu (Beijing), Dandan Zhou (Beijing) and Ning Liu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate is provided. The display substrate includes a planarization layer; a light emitting element on the planarization layer, including a first electrode, an organic layer on the first electrode, and a second electrode on a side of the organic layer away from the first electrode; an auxiliary e...