A display device comprising: a touch panel comprising a pad side area at one side of the touch panel; a first optically transparent adhesive member on one surface of the touch panel; a printed circuit board comprising a first attachment portion attached to the one surface of the touch panel at the pad side area; a window on the first optically transparent adhesive member; a second optically transparent adhesive member on the other surface of the touch panel; and a display panel on the second optically transparent adhesive member opposite the touch panel, the pad side area has: a connection area at which the printed circuit board is attached to the touch panel 30); and a non-connection area at which the printed circuit board is not attached to the touch panel wherein, at the connection area, the edge of the first optically transparent adhesive member convexly protrudes relative to its edge at the non-connection area in the plan view, the first optically transparent adhesive member at least partially covers one portion of an opposite surface of the printed circuit board attached to the touch panel, wherein the opposite surface of the printed circuit board faces the window, and characterized in that the connection area of the pad side area protrudes outwardly from the non-connection area of the pad side area in plan view, in that the edge of the first optically transparent adhesive member extends beyond the edge of the second optically transparent adhesive member at the connection area of the pad side area of the touch panel, and in that the edge of the touch panel at the connection area extends beyond the edge of the first optically transparent adhesive member at the connection area_ such that the perimeter of the touch panel fully surrounds and follows the perimeter of the first optically adhesive member in plan view. a touch panel comprising a pad side area at one side of the touch panel; a first optically transparent adhesive member on one surface of the touch panel; a printed circuit board comprising a first attachment portion attached to the one surface of the touch panel at the pad side area; a window on the first optically transparent adhesive member; a second optically transparent adhesive member on the other surface of the touch panel; and a display panel on the second optically transparent adhesive member opposite the touch panel, the pad side area has: a connection area at which the printed circuit board is attached to the touch panel 30); and a non-connection area at which the printed circuit board is not attached to the touch panel wherein, a connection area at which the printed circuit board is attached to the touch panel 30); and a non-connection area at which the printed circuit board is not attached to the touch panel wherein, at the connection area, the edge of the first optically transparent adhesive member convexly protrudes relative to its edge at the non-connection area in the plan view, the first optically transparent adhesive member at least partially covers one portion of an opposite surface of the printed circuit board attached to the touch panel, wherein the opposite surface of the printed circuit board faces the window, and characterized in that the connection area of the pad side area protrudes outwardly from the non-connection area of the pad side area in plan view, in that the edge of the first optically transparent adhesive member extends beyond the edge of the second optically transparent adhesive member at the connection area of the pad side area of the touch panel, and in that the edge of the touch panel at the connection area extends beyond the edge of the first optically transparent adhesive member at the connection area_ such that the perimeter of the touch panel fully surrounds and follows the perimeter of the first optically adhesive member in plan view.