A display device is provided, including a display panel; a light-emitting element disposed under the display panel; an optical functional film disposed between the display panel and the light-emitting element. The optical functional film is capable of transmitting at least part of the light emitted from the light-emitting element. A diffuser film is disposed between the display panel and the light-emitting element. The haze of the diffuser film is greater than 85%, and the thickness of the diffuser film ranges from 0.1 mm to 0.3 mm.