A display device includes: a display module; a first support plate disposed under the display module, and including a first flat part and a ductile part, where the ductile part extends from the first flat part in a first direction and has a plurality of openings defined therein; a second support plate including a second flat part disposed under the first flat part and a plurality of supporting bars disposed under the ductile part and arranged in the first direction; and a resin layer disposed between the first support plate and the second support plate.