ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,441, issued on Jan. 27, was assigned to LG Display Co. Ltd. (Seoul, South Korea).
"Display device" was invented by Hyosung Lee (Gyeonggi do, South Korea) and SeungHee Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect of the present disclosure, a display device includes: a display unit including a display panel in which an image is displayed; a first roller configured to wind or unwind the display unit; a tape spring which vertically moves the display unit on a rear surface of the display unit; and a second roller configured to wind or unwind the tape spring, the second roller includes: a tape spring drum t...