A display device having a first area, and a second area that extends from the first area and has a bent shape, the display device comprising: a display module comprising a display panel, which has a corner portion in the second area; an input-sensing member on the display panel and comprising a body portion (Tb), which overlaps with the display panel, and an extension (Tp), which extends from the body portion (Tb), is in the second area, and does not overlap with the display panel; and a first bonding layer between the display module and the input-sensing member, wherein an edge (Etpc) of the extension (Tpc) extends beyond an edge (Etpc) of the corner portion, wherein the display device further comprises: a window on the input-sensing member; a first waterproof member coupled to a bottom surface of the display module, and located in the second area along a first edge of the display module; a third waterproof member coupled to a bottom surface of the display module, and located along a third edge of the display module; a second waterproof member coupled to a bottom surface of the window, and spaced apart from the display module and adjacent to a second edge; a fourth waterproof member coupled to a bottom surface of the window, and spaced apart from the display module, and adjacent to a fourth edge; wherein the first and fourth waterproof members (810, 87), the third and second waterproof members (850, 830), the first and second waterproof members (810, 830), and the third and fourth waterproof members (850, 870) are spaced apart from each other by a gap near a corresponding corner portion of the display panel; a waterproof filling member filling each gap. a display module comprising a display panel, which has a corner portion in the second area; an input-sensing member on the display panel and comprising a body portion (Tb), which overlaps with the display panel, and an extension (Tp), which extends from the body portion (Tb), is in the second area, and does not overlap with the display panel; and a first bonding layer between the display module and the input-sensing member, wherein an edge (Etpc) of the extension (Tpc) extends beyond an edge (Etpc) of the corner portion, wherein the display device further comprises: a window on the input-sensing member; a first waterproof member coupled to a bottom surface of the display module, and located in the second area along a first edge of the display module; a third waterproof member coupled to a bottom surface of the display module, and located along a third edge of the display module; a second waterproof member coupled to a bottom surface of the window, and spaced apart from the display module and adjacent to a second edge; a fourth waterproof member coupled to a bottom surface of the window, and spaced apart from the display module, and adjacent to a fourth edge; wherein the first and fourth waterproof members (810, 87), the third and second waterproof members (850, 830), the first and second waterproof members (810, 830), and the third and fourth waterproof members (850, 870) are spaced apart from each other by a gap near a corresponding corner portion of the display panel; a waterproof filling member filling each gap. a window on the input-sensing member; a first waterproof member coupled to a bottom surface of the display module, and located in the second area along a first edge of the display module; a third waterproof member coupled to a bottom surface of the display module, and located along a third edge of the display module; a second waterproof member coupled to a bottom surface of the window, and spaced apart from the display module and adjacent to a second edge; a fourth waterproof member coupled to a bottom surface of the window, and spaced apart from the display module, and adjacent to a fourth edge; wherein the first and fourth waterproof members (810, 87), the third and second waterproof members (850, 830), the first and second waterproof members (810, 830), and the third and fourth waterproof members (850, 870) are spaced apart from each other by a gap near a corresponding corner portion of the display panel; a waterproof filling member filling each gap.