Display substrate, manufacturing method therefor, and display device

A display substrate, comprising:

• a base substrate;
• and
• a plurality of sub-pixels arranged in an array on the base substrate;
• wherein each of the sub-pixels comprises a light-emitting device and a pixel driving circuit for driving the light-emitting device, the pixel driving circuit comprises at least two oxide transistors and a storage capacitor;
• wherein the storage capacitor includes a first electrode and a second electrode sequentially facing away from the base substrate and arranged opposite to each other;
• in the at least two oxide transistors, a distance between a gate of one oxide transistor and an active layer of the one oxide transistor is different from a distance between a gate of at least one of other oxide transistors and an active layer of the at least one of other oxide transistors;
• and
• the one oxide transistor in the at least two oxide transistors with a greater distance between the gate and the active layer is arranged above the second electrode.