ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,488, issued on May 26, was assigned to Beijing BOE Technology Development Co. Ltd. (Beijing) and BOE Technology Group Co. Ltd. (Beijing).

"Meta-surface, antenna module, and electronic device" was invented by Feng Wang (Beijing), Yidan Peng (Beijing) and Shuaipeng Tao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a meta-surface. The meta-surface includes: a first substrate and a second substrate, and a tunable dielectric layer; wherein the first substrate includes a first dielectric substrate and a first electrode layer on a side, close to the tunable dielectric layer, of the first dielectric substrate, and the second substrate i...