ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,345, issued on Dec. 9, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Head mounted display apparatus including eye-tracking sensor and operating method thereof" was invented by Jongchul Choi (Suwon-si, South Korea), Bonkon Koo (Suwon-si, South Korea) and Sanghyun Yi (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A head mounted display (HMD) apparatus may include: a display; an optical lens adjacent to a first side of the display; at least one light source configured to emit light; and at least one eye-tracking sensor adjacent to a second side of the display and configured to obtain gaze information about...