Display substrate and manufacturing method thereof, display device

A display substrate, comprising:

• a base substrate, comprising a display region and a peripheral region on at least one side of the display region;
• and
• a shift register unit and a first clock signal line in the peripheral region of the base substrate, wherein the first clock signal line extends along a first direction on the base substrate, and the first clock signal line is connected to the shift register unit;
• the shift register unit comprises an input circuit, an output circuit, a first control circuit, and an output control circuit;
• the input circuit is connected to the first clock signal line, the input signal line and a first node;
• the output circuit is connected to an output signal terminal;
• the first control circuit is connected to the first node, the first clock signal line and a second node;
• the output control circuit is connected to the second node and an output terminal;
• the output control circuit comprises an output control transistor and a first capacitor, and the output circuit comprises an output transistor and a second capacitor;
• an active layer of the output control transistor and an active layer of the output transistor are integrally provided and extend along the first direction;
• the active layer of the output control transistor and the active layer of the output transistor provided integrally comprise a first output semiconductor layer and a second output semiconductor layer arranged side by side along a second direction different from the first direction, and an orthographic projection of the second output semiconductor layer on the base substrate is between an orthographic projection of the first output semiconductor layer on the base substrate and the display region;
• an end, away from the display region, of the orthographic projection of the first output semiconductor layer on the base substrate comprises a first sub-notch;
• and/or
• an end, close to the display region, of the orthographic projection of the second output semiconductor layer on the base substrate comprises a second sub-notch,
• wherein the first capacitor comprises a notch close to the second sub-notch.