A display device, comprising: a display panel including a display area; and at least a flexible film attached to a first side surface of the display panel, wherein a normal vector of the first side surface is orientated in a second direction, and wherein the display panel comprises: a substrate; at least a signal pad (SL-P) disposed on the substrate, wherein a portion of the at least one signal pad (SL-P) faces towards the same direction as the first side surface; and at least a dummy pad disposed adjacent to the signal pad (SL-P) in a first direction on the substrate, wherein the first direction is orthogonal to the second direction, wherein the flexible film comprises: a base film disposed to face the first side surface, and at least a driving electrode disposed between the base film and the signal pad (SL-P), and, as seen in the second direction, overlapping the portion of the at least one signal pad (SL-P) and being electrically connected to the at least one signal pad (SL-P), wherein the display panel further comprises an encapsulation substrate spaced apart from the substrate in a third direction, wherein the third direction is orthogonal to the first direction and second direction, wherein the at least one signal pad (SL-P) and the at least one dummy pad are disposed between the substrate and the encapsulation substrate on a surface of the substrate whose normal vector is oriented in the third direction, and characterised in that the at least one dummy pad is free of an overlap with an electrode. a display panel including a display area; and at least a flexible film attached to a first side surface of the display panel, wherein a normal vector of the first side surface is orientated in a second direction, and wherein the display panel comprises: a substrate; at least a signal pad (SL-P) disposed on the substrate, wherein a portion of the at least one signal pad (SL-P) faces towards the same direction as the first side surface; and at least a dummy pad disposed adjacent to the signal pad (SL-P) in a first direction on the substrate, a substrate; at least a signal pad (SL-P) disposed on the substrate, wherein a portion of the at least one signal pad (SL-P) faces towards the same direction as the first side surface; and at least a dummy pad disposed adjacent to the signal pad (SL-P) in a first direction on the substrate, wherein the first direction is orthogonal to the second direction, wherein the flexible film comprises: a base film disposed to face the first side surface, and at least a driving electrode disposed between the base film and the signal pad (SL-P), and, as seen in the second direction, overlapping the portion of the at least one signal pad (SL-P) and being electrically connected to the at least one signal pad (SL-P), wherein the display panel further comprises an encapsulation substrate spaced apart from the substrate in a third direction, wherein the third direction is orthogonal to the first direction and second direction, wherein the at least one signal pad (SL-P) and the at least one dummy pad are disposed between the substrate and the encapsulation substrate on a surface of the substrate whose normal vector is oriented in the third direction, and characterised in that the at least one dummy pad is free of an overlap with an electrode. a base film disposed to face the first side surface, and at least a driving electrode disposed between the base film and the signal pad (SL-P), and, as seen in the second direction, overlapping the portion of the at least one signal pad (SL-P) and being electrically connected to the at least one signal pad (SL-P), wherein the display panel further comprises an encapsulation substrate spaced apart from the substrate in a third direction, wherein the third direction is orthogonal to the first direction and second direction, wherein the at least one signal pad (SL-P) and the at least one dummy pad are disposed between the substrate and the encapsulation substrate on a surface of the substrate whose normal vector is oriented in the third direction, and characterised in that the at least one dummy pad is free of an overlap with an electrode.