A display device is provided. The display device includes: a display panel; a material complexed plate disposed at a rear of the display panel; and a side frame which is disposed between the display panel and the material complexed plate and is fixed to the material complexed plate, and to which the display panel is coupled, wherein the material complexed plate includes: a front skin forming a front surface; a rear skin forming a rear surface and facing the front skin; and a core disposed between the front skin and the rear skin and including fibers; and an inner frame formed by recessing the front skin or the rear skin, wherein the inner frame includes: horizontal inner lines elongated in one direction; and vertical inner lines elongated in a direction intersecting the one direction.