Display panel and display device

The embodiment of the utility model provides a display panel and a display device, relates to the technical field of display, and is used for improving the brightness uniformity of the display panel. The display panel comprises an array substrate and a cathode layer. The display panel is provided with a display area and comprises an array substrate and a cathode layer. The cathode layer is arranged on the array substrate. The cathode layer comprises a first sub-part and a second sub-part surrounding the first sub-part, and the first sub-part and the second sub-part are both located in the display area; wherein the unit length resistance of the first sub-part is smaller than that of the second sub-part. The display panel is used for displaying images.