The present disclosure provides a display panel and a display device. The display panel includes a main pixel area with a plurality of main pixel units and an auxiliary pixel area with a plurality of auxiliary pixel units; the auxiliary pixel unit includes a transparent light-emitting element; and a pixel interval area is provided between two adjacent auxiliary pixel units. The display panel further includes a transparent dimming structure; the transparent dimming structure is provided on the back surface of the auxiliary pixel area; the transparent dimming structure includes a plurality of transparent dimming units; each transparent dimming unit corresponds to at least one auxiliary pixel unit; and the transparent dimming unit is configured to be capable of diffusing light transmitting through the transparent light-emitting element in the auxiliary pixel unit corresponding to the transparent dimming unit into the pixel interval area on the periphery of the auxiliary pixel unit.