A display device includes a display panel including a display area and a non-display area surrounding the display area, a middle frame which is disposed under the display panel and supports the non-display area, and a coupling unit disposed between the display panel and the middle frame where the coupling unit includes a first coupling member including a reference coupling part extending a predetermined direction and a plurality of branch coupling parts protruded from the reference coupling part and a second coupling member disposed between two branch coupling parts adjacent to each other among the branch coupling parts.