Abstract: A display device including a display module and a cover plate is provided. The cover plate is disposed on the display module, the cover plate has a central region and a peripheral region, and the peripheral region is located at one or more side of the central region. The cover plate also has a main body and a protrusion. The main body continuously extends from the central region to the peripheral region. The protrusion is located in the central region and between the main body and the display module, and a bottom surface of the cover plate at the central region is located closer to a top surface of the display module in a height direction than a bottom surface of the cover plate at the peripheral region because of the protrusion.

Abstract: A back cover manufacturing method includes providing a striped sheet, bending the striped sheet along a long side of the striped sheet to form a hem, cutting the striped sheet to make the striped sheet have at least one concave portion formed thereon for correspondingly forming a plurality of striped sections, and bending the plurality of striped sections to form a back cover. The back cover is used for being disposed in a backlight module to hold at least one optical component of the backlight module.