A display device (DD, DD-1, DD-2) comprising: an organic light emitting display panel defining a display area for displaying an image and a non-display area adjacent to the display area, and comprising: a base layer; a circuit layer (DP-CL) on the base layer; a light emitting device layer (DP-OLED) on the circuit layer (DP-CL); and a thin film sealing layer on the light emitting device layer (DP-OLED) and defining a first thin film sealing area, and a second thin film sealing area adjacent to the first thin film sealing area, wherein the first thin film sealing area and the second thin film sealing area overlap the display area on a plane, and wherein the second thin film sealing area is between the first thin film sealing area and the non-display area on a plane and wherein the second thin film sealing area is disposed adjacent to the non-display area on a plane; and a touch detection unit comprising: a first sensor part (SP-C) on the first thin film sealing area of the thin film sealing layer; and a second sensor part (SP-S) on the second thin film sealing area of the thin film sealing layer, and characterized in that an upper surface (TFE-U) of the thin film sealing layer that faces the touch detection unit comprises a first upper surface (TFE-U1) corresponding to the first thin film sealing area, and a second upper surface (TFE-U2) corresponding to the second thin film sealing area and protruding away from the base layer. an organic light emitting display panel defining a display area for displaying an image and a non-display area adjacent to the display area, and comprising: a base layer; a circuit layer (DP-CL) on the base layer; a light emitting device layer (DP-OLED) on the circuit layer (DP-CL); and a thin film sealing layer on the light emitting device layer (DP-OLED) and defining a first thin film sealing area, and a second thin film sealing area adjacent to the first thin film sealing area, wherein the first thin film sealing area and the second thin film sealing area overlap the display area on a plane, and wherein the second thin film sealing area is between the first thin film sealing area and the non-display area on a plane and wherein the second thin film sealing area is disposed adjacent to the non-display area on a plane; and a base layer; a circuit layer (DP-CL) on the base layer; a light emitting device layer (DP-OLED) on the circuit layer (DP-CL); and a thin film sealing layer on the light emitting device layer (DP-OLED) and defining a first thin film sealing area, and a second thin film sealing area adjacent to the first thin film sealing area, wherein the first thin film sealing area and the second thin film sealing area overlap the display area on a plane, and wherein the second thin film sealing area is between the first thin film sealing area and the non-display area on a plane and wherein the second thin film sealing area is disposed adjacent to the non-display area on a plane; and a touch detection unit comprising: a first sensor part (SP-C) on the first thin film sealing area of the thin film sealing layer; and a second sensor part (SP-S) on the second thin film sealing area of the thin film sealing layer, and a first sensor part (SP-C) on the first thin film sealing area of the thin film sealing layer; and a second sensor part (SP-S) on the second thin film sealing area of the thin film sealing layer, and characterized in that an upper surface (TFE-U) of the thin film sealing layer that faces the touch detection unit comprises a first upper surface (TFE-U1) corresponding to the first thin film sealing area, and a second upper surface (TFE-U2) corresponding to the second thin film sealing area and protruding away from the base layer.