A display device includes a display panel having a first area, a second area, and a bendable area between the first area and the second area, wherein the bendable area is bent so that the second area is disposed below the first area, a driving integrated circuit (IC) disposed below the second area, a window disposed on the first area, and a window protection layer disposed on the window, wherein, one side of the window protection layer and one side of the window are spaced apart from a first boundary between the first area and the bendable area in a horizontal direction, and the one side of the window protection layer and the one side of the window are spaced apart from each other in the horizontal direction.