ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,632, issued on Nov. 18, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Mask assembly and method of manufacturing display apparatus" was invented by Wonyoung Jang (Yongin-si, South Korea) and Jongdae Lee (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mask assembly includes: a mask frame having a plurality of sides including a first side extending in a first direction, and an opening area defined by the plurality of sides; a gap portion recessed in the first side in a second direction crossing the first direction; a mask sheet covering the opening area; and a gap adjustment portion tensile-welded to the m...