Display panel and display device

The invention relates to a display panel and a display device. The display panel comprises a substrate, a light-emitting layer and a temperature control part, the light-emitting layer and the temperature control part are both located on the substrate; the temperature control part is located between the light-emitting layer and the substrate, and the light-emitting layer is located on the side, away from the substrate, of the temperature control part; and the temperature control part is configured to heat or cool the display panel. According to the embodiment of the invention, the reliability of the display panel during operation can be improved. 本申请涉及一种显示面板及显示装置。其中，显示面板包括：衬底、发光层与温控部；所述发光层与所述温控部均位于所述衬底上；所述温控部位于所述发光层与所述衬底之间，所述发光层位于所述温控部远离所述衬底的一侧；所述温控部被配置为对所述显示面板进行加热或者降温。根据本申请实施例，可以提高显示面板运行时的信赖性。