A display device comprising: a substrate including: a display area in which a first subpixel (P1) and a second subpixel (P2) are arranged; and a non-display area surrounding the display area; a first electrode on the substrate; a first light emitting layer on the first electrode, emitting light of a first color; a second electrode on the first light emitting layer, wherein the second electrode is disconnected between the first subpixel and the second subpixel; a second light emitting layer on the second electrode, emitting light of a second color; a third electrode on the second light emitting layer, wherein the third electrode is electrically connected with the second electrode of the first subpixel; an auxiliary power line arranged in the non-display area and extending in a first direction; a first power line arranged in the display area and extending in a second direction, perpendicular to the first direction, from the display area to the auxiliary power line arranged in the non-display area such that one end of the first power line is connected to the auxiliary power line; a first connection electrode for electrically connecting the second electrode of the first subpixel with the third electrode of the first subpixel, wherein the first connection electrode includes the first power line directly connected to the second electrode of the first subpixel, and the auxiliary power line directly connected to each of the first power line and the third electrode of the first subpixel, wherein the first light emitting layer, the second electrode, the second light emitting layer and the third electrode are each formed in the first and second subpixels. a substrate including: a display area in which a first subpixel (P1) and a second subpixel (P2) are arranged; and a non-display area surrounding the display area; a display area in which a first subpixel (P1) and a second subpixel (P2) are arranged; and a non-display area surrounding the display area; a first electrode on the substrate; a first light emitting layer on the first electrode, emitting light of a first color; a second electrode on the first light emitting layer, wherein the second electrode is disconnected between the first subpixel and the second subpixel; a second light emitting layer on the second electrode, emitting light of a second color; a third electrode on the second light emitting layer, wherein the third electrode is electrically connected with the second electrode of the first subpixel; an auxiliary power line arranged in the non-display area and extending in a first direction; a first power line arranged in the display area and extending in a second direction, perpendicular to the first direction, from the display area to the auxiliary power line arranged in the non-display area such that one end of the first power line is connected to the auxiliary power line; a first connection electrode for electrically connecting the second electrode of the first subpixel with the third electrode of the first subpixel, wherein the first connection electrode includes the first power line directly connected to the second electrode of the first subpixel, and the auxiliary power line directly connected to each of the first power line and the third electrode of the first subpixel, wherein the first light emitting layer, the second electrode, the second light emitting layer and the third electrode are each formed in the first and second subpixels. <EOS>