US Patent 10915140 Display device

A display device includes a display module including a first non-folding area, a second non-folding area, and a folding area disposed between the first and second non-folding areas, a support disposed below the display module, a sub-support disposed below the support, a buffer portion which is disposed between the support and the sub-support and in which an opening overlapping the folding area is defined, and a plurality of joint units disposed below the sub-support to overlap the folding area.