The present disclosure relates to a display device, a display panel, and a method for manufacturing the display panel. The display panel includes a substrate, a display layer and a light-shielding layer. The display layer includes a driving circuit layer and an insulating planarization layer covering the driving circuit layer which are stacked sequentially on the substrate, the display layer is provided with at least one through hole penetrating through the display layer, and the insulating planarization layer has a side wall close to the at least one through hole. The light-shielding layer covers at least partial region of the side wall of the insulating planarization layer.