A display device comprising: a display panel; an inner plate coupled to a rear portion of the display panel; a rear cover configured to cover a rear portion of the inner plate, the rear cover including: - a first cover coupled to the rear portion of the inner plate, the first cover covering upper portions of the display panel and the inner plate, and contacting the rear portion of the inner plate; and - a second cover spaced apart from the rear portion of the inner plate and configured to define a space within the display device, the second cover covering lower portions of the display panel and the inner plate, and including an opening formed at a bottom portion thereof, wherein the first and second covers (310, 320) are formed as an integral part such that the rear cover has a single piece body; and a component module including a bracket comprising a plate member with a predetermined size and components installed on the bracket, wherein the component module is configured to slide on the inner plate to be inserted into the space through the opening and to directly engage with the inner plate with no fastening member, wherein the inner plate includes a mount installed on a rear surface thereof to be disposed within the space of the second cover, wherein the component module further includes a side flap provided at a side portion thereof and configured to be coupled to the mount by engaging with the mount without a fastener. a display panel; an inner plate coupled to a rear portion of the display panel; a rear cover configured to cover a rear portion of the inner plate, the rear cover including: - a first cover coupled to the rear portion of the inner plate, the first cover covering upper portions of the display panel and the inner plate, and contacting the rear portion of the inner plate; and - a second cover spaced apart from the rear portion of the inner plate and configured to define a space within the display device, the second cover covering lower portions of the display panel and the inner plate, and including an opening formed at a bottom portion thereof, wherein the first and second covers (310, 320) are formed as an integral part such that the rear cover has a single piece body; and - a first cover coupled to the rear portion of the inner plate, the first cover covering upper portions of the display panel and the inner plate, and contacting the rear portion of the inner plate; and - a second cover spaced apart from the rear portion of the inner plate and configured to define a space within the display device, the second cover covering lower portions of the display panel and the inner plate, and including an opening formed at a bottom portion thereof, a component module including a bracket comprising a plate member with a predetermined size and components installed on the bracket, wherein the component module is configured to slide on the inner plate to be inserted into the space through the opening and to directly engage with the inner plate with no fastening member, wherein the inner plate includes a mount installed on a rear surface thereof to be disposed within the space of the second cover, wherein the component module further includes a side flap provided at a side portion thereof and configured to be coupled to the mount by engaging with the mount without a fastener.