Disclosed is a display control module including a supporting member comprising a pair of external coupling parts for attaching to an external surface in a negative Y-axis direction and a pair of guide surfaces configured to form opposite side ends of the external coupling parts in an X-axis direction; and at least one PCB coupled to the supporting member in a positive Y-axis direction, the at least one PCB being provided at opposite sides of the at least one PCB in the X-axis direction with a pair of connection terminals configured to be connected to a pair of display modules, respectively. Also disclosed is a display device including a pair of display modules; a supporting member positioned between the pair of display modules in an X-axis direction in an XYZ rectangular coordinate system; and at least one printed circuit board (PCB) coupled to the supporting member in a positive Y-axis direction for controlling the display modules, wherein the display modules are configured to be connected to opposite sides of the PCB in the X-axis direction.