A display panel and a device are provided. The display panel includes a transparent pixel layer and a pixelated electrochromic layer. The transparent pixel layer includes a plurality of pixel light-emitting regions. The pixelated electrochromic layer is disposed under the transparent pixel layer, the pixelated electrochromic layer includes a plurality of electrochromic regions, and the plurality of pixel light-emitting regions and the plurality of electrochromic regions are arranged in one-to-one correspondences. At least one of the plurality of electrochromic regions in the pixelated electrochromic layer can be switched between a transparent state and a black state.