A display device comprising: a display panel including a first area, a second area, and a bending portion between the first area and the second area; and a cover window disposed on the display panel, wherein the display panel is bent such that the first area of the display panel is disposed between the cover window and the second area of the display panel, wherein the bending portion comprises: a first bending portion extending to the first area, a second bending portion extending to the first bending portion, and a third bending portion that links between the second bending portion and the second area, wherein the display panel is bent such that the first bending portion is disposed between the cover window and the third bending portion, wherein a radius of curvature of the second bending portion is less than a radius of curvature of the first bending portion, and wherein the radius of curvature of the second bending portion is less than a radius of curvature of the third bending portion, the display device further comprising a spacer disposed between the first area and the second area and between the first bending portion and the third bending portion, characterised in that an opening, which is located at a boundary between the first area and the first bending portion, is defined in the spacer. a display panel including a first area, a second area, and a bending portion between the first area and the second area; and a cover window disposed on the display panel, wherein the display panel is bent such that the first area of the display panel is disposed between the cover window and the second area of the display panel, wherein the bending portion comprises: a first bending portion extending to the first area, a second bending portion extending to the first bending portion, and a third bending portion that links between the second bending portion and the second area, wherein the display panel is bent such that the first bending portion is disposed between the cover window and the third bending portion, wherein a radius of curvature of the second bending portion is less than a radius of curvature of the first bending portion, and wherein the radius of curvature of the second bending portion is less than a radius of curvature of the third bending portion, the display device further comprising a spacer disposed between the first area and the second area and between the first bending portion and the third bending portion, characterised in that an opening, which is located at a boundary between the first area and the first bending portion, is defined in the spacer. a first bending portion extending to the first area, a second bending portion extending to the first bending portion, and a third bending portion that links between the second bending portion and the second area, wherein the display panel is bent such that the first bending portion is disposed between the cover window and the third bending portion, wherein a radius of curvature of the second bending portion is less than a radius of curvature of the first bending portion, and wherein the radius of curvature of the second bending portion is less than a radius of curvature of the third bending portion, the display device further comprising a spacer disposed between the first area and the second area and between the first bending portion and the third bending portion, characterised in that an opening, which is located at a boundary between the first area and the first bending portion, is defined in the spacer.