A display including a back cover, a diffuser plate, a display panel, and a light source is provided. The back cover has a first supporting portion, a connecting portion and a second supporting portion. Two opposite ends of the connecting portion are connected to the first supporting portion and the second supporting portion respectively. The first supporting portion has a first surface, the second supporting portion has opposite second and third surfaces, and the first surface faces the second surface to form a containing space between the first surface, the connecting portion and the second surface. At least a part of a periphery of the diffuser plate is disposed in the containing space. The display panel is supported on the third surface. The light source is disposed on the back cover and adapted to provide a light beam to illuminate the display panel after passing through the diffuser plate.