A display device is disclosed. The display device includes: a display panel; and a material complexed plate disposed at a rear of the display panel, wherein the material complexed plate includes: a front skin defining a front surface; a rear skin defining a rear surface and facing the front skin; a core disposed between the front skin and the rear skin, and including fibers; a fastening groove formed by pressing the front skin and the core; and a barrier disposed adjacent to the fastening groove and formed by depressing or cutting the front skin.