A modular display apparatus is disclosed. The modular display apparatus includes a plurality of display modules, and a controller configured to control the plurality of display modules, and the plurality of display modules include a plurality of scan groups, respectively, the controller is configured to transmit an image signal corresponding to the respective display modules based on an image frame, and the respective scan groups included in a first display module from among the plurality of display modules includes a plurality of scan lines arranged in one direction, a plurality of data lines arranged in a direction perpendicular to the plurality of scan lines, light emitting diodes generated at a cross area of the scan lines and the data lines, and at least one driver integrated circuit.