ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,490,611, issued on Dec. 2, was assigned to Beijing BOE Technology Development Co. Ltd. (Beijing).

"Display substrate and display device" was invented by Libin Liu (Beijing), Shiming Shi (Beijing), Jiangnan Lu (Beijing) and Jianchao Zhu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate and a display device are provided, the display substrate includes: a substrate, and a power source layer, a conductive layer, and a cathode layer sequentially stacked on the substrate in a direction away from the substrate; the conductive layer includes first conductive patterns and second conductive patterns insulated from each other, the first co...