ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,647, issued on Jan. 27, was assigned to SAMSUNG DISPLAY Co. LTD. (Gyeonggi-Do, South Korea).

"Method of manufacturing display apparatus and display apparatus" was invented by Jaeho Lee (Yongin-si, South Korea), Taeho An (Yongin-si, South Korea) and Kangyoon Kim (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a display apparatus includes: preparing a mother substrate; forming a concave portion, which comprises a first concave portion defined on a first surface of the mother substrate and a second concave portion defined on a second surface opposite to the first surface; reinforcing the mother substrate...