US Patent No. 10,798,831

DISPLAY DEVICE


Patent No. 10,798,831
Issue Date October 06, 2020
Title Display Device
Inventorship Mi-Na Shin, Paju-si (KR)
ChounSung Kang, Gimpo-si (KR)
GeunChang Park, Goyang-si (KR)
Assignee LG Display Co., Ltd., Seoul (KR)

Claim of US Patent No. 10,798,831

1. A display device, comprising:a display panel configured to display an image; and
a back cover attached to a surface of the display panel, and including:
a first flexible area overlapping the display panel, and
a first supporting area adjacent to the first flexible area,
wherein:
the back cover has a central area and an edge area at one or more lateral sides of the central area,
the central area and the edge area being in at least the first flexible area of the back cover, the central area includes a plurality of first openings, and the edge area includes a plurality of second openings,
the first flexible area includes a first sub-flexible area and a second sub-flexible area, the first sub-flexible area being between the first supporting area and the second sub-flexible area in a column direction, the edge area being in at least the first and second sub-flexible areas of the first flexible area, and
among the second openings, a distance between two adjacent second openings in the edge area of the first sub-flexible area is smaller than a distance between two adjacent second openings in the edge area of the second sub-flexible area;
a roller unit including a roller, and configured to wind or unwind the back cover and the display panel around the roller,
wherein the roller has a flat surface and a curved surface, and the first supporting area of the back cover is configured to be placed on the flat surface of the roller with the back cover in a wound state.