US Patent No. 10,973,135

DISPLAY DEVICE


Patent No. 10,973,135
Issue Date April 06, 2021
Title Display Device
Inventorship Mi-Na Shin, Paju-si (KR)
ChounSung Kang, Goyang-si (KR)
SunBok Song, Ansan-si (KR)
GeunChang Park, Goyang-si (KR)
Moonsun Lee, Sejong-si (KR)
Assignee LG Display Co., Ltd., Seoul (KR)

Claim of US Patent No. 10,973,135

1. A display device, comprising:a display panel including a display area on which a plurality of display elements is disposed and a non-display area on which one or more wires for driving the plurality of display elements are disposed;
a back cover attached to one surface of the display panel and having a plurality of openings;
a roller configured to rotate in a first direction to wind the back cover and the display panel around the roller or in a second direction opposite the first direction to unwind the back cover and the display panel from the roller, the roller being a cylindrically-shaped roller with a flat surface along a length direction of the roller; and a lifting unit which moves the back cover and the display panel in a vertical direction, wherein: the plurality of openings overlaps the display panel, each of the plurality of openings is disposed to be staggered with one or more of the openings in an adjacent row, a size of the back cover is larger than a size of the display panel, and each of a plurality of edges of the back cover corresponds to a respective one of a plurality of edges of the display panel and protrudes outside of the respective one of the plurality of edges of the display panel.