A display panel, comprising: a first substrate; a first electrode layer located on a side of the first substrate; a cathode layer located on a side that is of the first electrode layer and that is away from the first substrate; the cathode layer covers a display area of the display panel, and extends to a border area of the display panel; and a part of the first electrode layer is located in the display area of the display panel, is connected in parallel to a part that is of the cathode layer and that is located in the display area, and a part of the first electrode layer is located in the border area of the display panel, and is connected in parallel to a part that is of the cathode layer and that is located in the border area; an anode layer located on a side that is of the cathode layer and that faces the first substrate; a pixel definition layer and a light-emitting layer that are located between the anode layer and the cathode layer, wherein the pixel definition layer comprises a plurality of pixel definition areas, the light-emitting layer comprises a plurality of light-emitting units, and the light-emitting units are in a one-to-one correspondence with the pixel definition areas and are located in the pixel definition areas; a control circuit layer located on a side that is of the anode layer and that is away from the cathode layer; the first electrode layer is located on a side that is of the anode layer and that is away from the cathode layer, and wherein the first electrode layer is located between the anode layer and the control circuit layer; wherein the projection of the first electrode layer on a plane on which the first substrate is located at least partially overlaps with the projection of the light-emitting layer on the plane on which the first substrate is located. a first substrate; a first electrode layer located on a side of the first substrate; a cathode layer located on a side that is of the first electrode layer and that is away from the first substrate; the cathode layer covers a display area of the display panel, and extends to a border area of the display panel; and a part of the first electrode layer is located in the display area of the display panel, is connected in parallel to a part that is of the cathode layer and that is located in the display area, and a part of the first electrode layer is located in the border area of the display panel, and is connected in parallel to a part that is of the cathode layer and that is located in the border area; an anode layer located on a side that is of the cathode layer and that faces the first substrate; a pixel definition layer and a light-emitting layer that are located between the anode layer and the cathode layer, wherein the pixel definition layer comprises a plurality of pixel definition areas, the light-emitting layer comprises a plurality of light-emitting units, and the light-emitting units are in a one-to-one correspondence with the pixel definition areas and are located in the pixel definition areas; a control circuit layer located on a side that is of the anode layer and that is away from the cathode layer; the first electrode layer is located on a side that is of the anode layer and that is away from the cathode layer, and wherein the first electrode layer is located between the anode layer and the control circuit layer; wherein the projection of the first electrode layer on a plane on which the first substrate is located at least partially overlaps with the projection of the light-emitting layer on the plane on which the first substrate is located.