ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,680, issued on May 27, was assigned to BOE Technology Group Co. Ltd. (Beijing).
"Mask, manufacturing method thereof and mask assembly" was invented by Na Bi (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mask, a manufacturing method thereof and a mask assembly are provided. The mask includes a display region and welding regions located on opposite sides of the display region in a first direction, wherein the welding region at least includes a thickened portion, and a set welding region is disposed on the thickened portion; a thickness of the set welding region is greater than that of the display region; and in a horizontal direction of th...