ALEXANDRIA, Va., June 12 -- United States Patent no. 12,302,712, issued on May 13, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"Display panel and display device" was invented by Fudong Chen (Beijing), Huajie Yan (Beijing), Qingyu Huang (Beijing) and Zhiqiang Jiao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a display panel and a display device. The display panel includes a substrate, a plurality of pixel units is arranged at a side of the substrate, each pixel unit includes a first electrode layer, a first light-emitting layer, a second electrode layer, a second light-emitting layer, a third electrode layer, a third light-emitting layer and a fourth ele...