Display panel and display device

A display device, comprising a display panel, wherein the display panel comprises:

• a plurality of pixel driving circuits distributed in an array along a first direction and a second direction, a pixel driving circuit comprises a driving transistor, and a gate of the driving transistor is coupled to a gate signal line, the first direction is intersected with the second direction, and wherein the display panel further comprises:
• a base substrate;
• a first conductive layer located on a side of the base substrate and comprising:
• a plurality of gate signal lines, wherein the gate signal line comprises a body part and a plurality of additional parts, an orthographic projection of the body part on the base substrate is extended along the first direction, the plurality of additional parts are distributed at intervals in the first direction and coupled to a side of the body part in the second direction, and an additional part is configured to form the gate of the driving transistor;
• an active layer located on a side of the first conductive layer and comprising:
• a plurality of active structures disposed corresponding to the plurality of additional parts, wherein orthographic projections of the plurality of active structures on the base substrate are separated from each other, an active structure comprises a plurality of active parts separated from each other, and an active part is configured to form a channel region of the driving transistor:
• wherein one additional part corresponds to the plurality of active parts, and an orthographic projection of the additional part on the base substrate covers orthographic projections of the plurality of active parts corresponding to the additional part on the base substrate.