The present disclosure relates to a display device where unit liquid crystal display devices are easily assembled for a volumetric display or a multi display by applying a chamfer structure to a side surface portion of the unit liquid crystal display device. The display device includes a plurality of unit liquid crystal display devices, each having a liquid crystal panel, a backlight unit under the liquid crystal panel, a top frame over the liquid crystal display panel, and a main frame surrounding a side surface of the backlight unit. The liquid crystal panel is one the main frame. Additionally, at least one side surface portion of each of the plurality of unit liquid crystal display devices has a chamfer structure.