A display panel, comprising: a substrate including a first area, a second area at least partially surrounding the first area, and a third area disposed between the first area and the second area; a plurality of display elements disposed in the second area; a plurality of wirings (DL, SL) detouring around an edge of the first area in the third area; a first electrode layer covering at least a portion of the plurality of wirings (DL, SL) in the third area; and a second electrode layer disposed over the first electrode layer wherein the second electrode layer contacts at least a portion of the first electrode layer in the third area; the display panel further comprising: a first insulating layer disposed between the first electrode layer and the second electrode layer and including an opening that exposes at least a portion of the first electrode layer, wherein the second electrode layer contacts the first electrode layer through the opening (211 OP) of the first insulating layer, and wherein the first electrode layer in the third area includes a plurality of holes that are spaced apart from each other, the display panel further comprising: a plurality of protrusions respectively covering the plurality of holes and spaced apart from each other, the first insulating layer includes the protrusions whose cross-sections have a shape different from that of the plurality of holes in a plan-view on the first insulating layer such that the contact area between the second electrode layer and the first electrode layer is increased compared with the case where the shape is the same. a substrate including a first area, a second area at least partially surrounding the first area, and a third area disposed between the first area and the second area; a plurality of display elements disposed in the second area; a plurality of wirings (DL, SL) detouring around an edge of the first area in the third area; a first electrode layer covering at least a portion of the plurality of wirings (DL, SL) in the third area; and a second electrode layer disposed over the first electrode layer wherein the second electrode layer contacts at least a portion of the first electrode layer in the third area; the display panel further comprising: a first insulating layer disposed between the first electrode layer and the second electrode layer and including an opening that exposes at least a portion of the first electrode layer, wherein the second electrode layer contacts the first electrode layer through the opening (211 OP) of the first insulating layer, and wherein the first electrode layer in the third area includes a plurality of holes that are spaced apart from each other, the display panel further comprising: a plurality of protrusions respectively covering the plurality of holes and spaced apart from each other, the first insulating layer includes the protrusions whose cross-sections have a shape different from that of the plurality of holes in a plan-view on the first insulating layer such that the contact area between the second electrode layer and the first electrode layer is increased compared with the case where the shape is the same. a first insulating layer disposed between the first electrode layer and the second electrode layer and including an opening that exposes at least a portion of the first electrode layer, wherein the second electrode layer contacts the first electrode layer through the opening (211 OP) of the first insulating layer, and wherein the first electrode layer in the third area includes a plurality of holes that are spaced apart from each other, the display panel further comprising: a plurality of protrusions respectively covering the plurality of holes and spaced apart from each other, the first insulating layer includes the protrusions whose cross-sections have a shape different from that of the plurality of holes in a plan-view on the first insulating layer such that the contact area between the second electrode layer and the first electrode layer is increased compared with the case where the shape is the same. a plurality of protrusions respectively covering the plurality of holes and spaced apart from each other, the first insulating layer includes the protrusions whose cross-sections have a shape different from that of the plurality of holes in a plan-view on the first insulating layer such that the contact area between the second electrode layer and the first electrode layer is increased compared with the case where the shape is the same.