An electronic device comprising: a display panel including a folding area at which the electronic device is foldable and a non-folding area which is adjacent to the folding area along a first direction; and a support member facing the display panel, wherein the support member includes in order from the display panel: an upper plate which faces the folding area and the non-folding area of the display panel, has a thickness and in which are defined a plurality of openings corresponding to the folding area; a lower plate having a thickness which is greater than the thickness of the upper plate, the lower plate including a first lower plate and a second lower plate each corresponding to the folding area and the non-folding area of the display panel, wherein at the folding area, the second lower plate is spaced apart from the first lower plate by a gap along the first direction, wherein the support member further includes in order from the display panel, the upper plate, a cover film and the lower plate, and the cover film extends across the gap at which the second lower plate is spaced apart from the first lower plate, the cover film is attached to a bottom surface of the upper plate through a first support adhesion layer, the first support adhesion layer is spaced apart from the folding area. a display panel including a folding area at which the electronic device is foldable and a non-folding area which is adjacent to the folding area along a first direction; and a support member facing the display panel, wherein the support member includes in order from the display panel: an upper plate which faces the folding area and the non-folding area of the display panel, has a thickness and in which are defined a plurality of openings corresponding to the folding area; a lower plate having a thickness which is greater than the thickness of the upper plate, the lower plate including a first lower plate and a second lower plate each corresponding to the folding area and the non-folding area of the display panel, wherein at the folding area, the second lower plate is spaced apart from the first lower plate by a gap along the first direction, wherein the support member further includes in order from the display panel, the upper plate, a cover film and the lower plate, and an upper plate which faces the folding area and the non-folding area of the display panel, has a thickness and in which are defined a plurality of openings corresponding to the folding area; a lower plate having a thickness which is greater than the thickness of the upper plate, the lower plate including a first lower plate and a second lower plate each corresponding to the folding area and the non-folding area of the display panel, wherein at the folding area, the second lower plate is spaced apart from the first lower plate by a gap along the first direction, wherein the support member further includes in order from the display panel, the upper plate, a cover film and the lower plate, and the cover film extends across the gap at which the second lower plate is spaced apart from the first lower plate, the cover film is attached to a bottom surface of the upper plate through a first support adhesion layer, the first support adhesion layer is spaced apart from the folding area.