The present application provides a display panel and a display device. The display panel includes a substrate; an active switch, which is disposed on the substrate and includes a first active switch, a second active switch, and an indium gallium zinc oxide layer; a pixel, which is disposed on the substrate and coupled to the first active switch and includes a quantum dot light-emitting diode; and a light sensor, which is disposed on the substrate and coupled to the second active switch and includes a quantum dot light sensing layer; where the active switch includes a gate layer, a gate insulating layer, the indium gallium zinc oxide layer, an etch stop layer, a metal layer, and a pixel electrode layer which are sequentially arranged on the substrate.