A display device includes: a bendable display panel including a flat area and bendable areas; and a support module disposed on the display panel, wherein the support module supports the display panel, wherein the support module includes a support plate and joints, wherein the support plate overlaps the flat area and the bendable areas and includes lattice pattern areas including lattice patterns, and wherein the joints are disposed on the support plate, are disposed to overlap with the bendable areas, and are spaced apart from one another in the first direction. Each of the joints has a top surface and a bottom surface, wherein the top surface is disposed on the support plate, and the bottom surface is opposite to the top surface, and a width of each of the top surfaces of the joints is less than a width of each of the bottom surfaces of the joints.