ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,769, issued on March 18, was assigned to Beijing BOE Technology Development Co. Ltd. (Beijing) and BOE Technology Group Co. Ltd. (Beijing).

"Micro-nano device, manufacturing method, and display device" was invented by Jian Zhou (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the field of micro-nano devices, and discloses a micro-nano device, a manufacturing method, and a display device. The micro-nano device includes a micro-nano structural cell; wherein the micro-nano structural cell includes a substrate provided with a light incident surface and a light emergent surface which are oppositely disposed; a fi...