Disclosed is a display device that may include a display panel; a polarization control unit on the display panel, the polarization control unit including: a first substrate; a second substrate opposite the first substrate; a first electrode on a surface of the first substrate opposing the second substrate; a second electrode on a surface of the second substrate opposing the first substrate; and a partition wall and a polymer-dispersed liquid crystal layer between the first and second electrodes, wherein liquid crystal molecules of the polymer-dispersed liquid crystal layer are arranged in a space defined by the partition wall.