A display panel and a display device are provided in the present disclosure. The display panel includes a display region including a first display region and a photo-sensitive element disposing region. The photo-sensitive element disposing region includes a light-transmitting region and a light-blocking region. The display panel further includes a base substrate and a plurality of pixel units on the base substrate. The light-blocking region includes at least one pixel unit which includes a plurality of sub-pixels. Along a direction perpendicular to a plane of the base substrate, the light-blocking region at least includes a first convex arced edge.