A display device includes a display panel including a first non-folding area, a second non-folding area, and a folding area, a first upper plate disposed under the display panel and overlapping the first non-folding area, a second upper plate disposed under the display panel, overlapping the second non-folding area, arranged to be spaced apart from the first upper plate, a separation space being disposed therebetween and overlapping at least a portion of the folding area in an unfolded state, and a screen layer disposed under the first upper plate and the second upper plate. The screen layer includes first lines, second lines arranged in a weave pattern with the first lines, and a lower coating layer covering a lower portion of the first lines and the second lines and overlaps the separation space.