ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,815, issued on March 17, was assigned to MIANYANG BOE OPTOELECTRONICS TECHNOLOGY Co. Ltd. (Mianyang, China) and BOE Technology Group Co. Ltd. (Beijing).

"Display substrate and display apparatus" was invented by Qing Tang (Beijing), Qingsong Gu (Beijing), Lin Xiong (Beijing), Ning Ma (Beijing) and Danfeng Wang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate includes a base substrate, a pixel circuit layer, a first planarization layer, at least one transparent conductive layer, and a plurality of first light-emitting elements. The base substrate includes a first display region and a second display region, wherein the first...