Display device
AssigneeLG Display Co., Ltd.
InventorsHyosung Lee, SeungHee Lee
Life of this patent
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Abstract
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 to which one end of the tape spring is fixed and configured to wind or unwind the tape spring; a tape spring case accommodating the tape spring drum and the tape spring; and a corrugate spring between the tape spring drum and the tape spring case and configured to press the tape spring toward the tape spring drum. Therefore, a slip phenomenon of the tape spring may be improved.
Claims14
A display device, comprising:
- 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,
- wherein the second roller includes:
- a tape spring drum to which one end of the tape spring is fixed and configured to wind or unwind the tape spring;
- a tape spring case accommodating the tape spring drum and the tape spring;
- and
- a corrugate spring between the tape spring drum and the tape spring case and configured to press the tape spring toward the tape spring drum,
- wherein curvatures of parts of the corrugate spring or distances between the parts of the corrugate spring and the tape spring drum vary as the tape spring rotates on the tape spring drum.
Dependencies are inferred from the claim text.