An electronic device comprising: a display panel including a folding area (FA) at which the electronic device is foldable and a non-folding area (NFA) which is adjacent to the folding area (FA) along a first direction (DR1); 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 (FA) and the non-folding area (NFA) of the display panel , has a thickness and in which are defined a plurality of openings corresponding to the folding area (FA); 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 (FA) and the non-folding area (NFA) of the display panel , wherein at the folding area (FA), the second lower plate is spaced apart from the first lower plate by a gap (G1) along the first direction (DR1), 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 (G1) 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 (1040-1), the first support adhesion layer (1040-1) is spaced apart from the folding area (FA). a display panel including a folding area (FA) at which the electronic device is foldable and a non-folding area (NFA) which is adjacent to the folding area (FA) along a first direction (DR1); 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 (FA) and the non-folding area (NFA) of the display panel , has a thickness and in which are defined a plurality of openings corresponding to the folding area (FA); 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 (FA) and the non-folding area (NFA) of the display panel , wherein at the folding area (FA), the second lower plate is spaced apart from the first lower plate by a gap (G1) along the first direction (DR1), 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 (FA) and the non-folding area (NFA) of the display panel , has a thickness and in which are defined a plurality of openings corresponding to the folding area (FA); 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 (FA) and the non-folding area (NFA) of the display panel , wherein at the folding area (FA), the second lower plate is spaced apart from the first lower plate by a gap (G1) along the first direction (DR1), 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 (G1) 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 (1040-1), the first support adhesion layer (1040-1) is spaced apart from the folding area (FA). <EOS>