To provide a display device with high reliability, which is capable of supporting a display panel well even when the display panel is enlarged, and capable of radiating the heat generated in the display panel well. A display device 100 of the present invention has an organic EL panel (display panel) 150 and a reinforcing structure 160 provided on the backside of the display panel 150. The reinforcing structure 160 comprises a base plate 161 forming a part adhered to a back face of the organic EL panel 150, and a heat radiation member 170 provided on the base plate 161.