Display Substrate and Manufacturing Method Therefor, and Display Apparatus

A display substrate, comprising a base substrate, a second power line, a data signal line and a plurality of sub-pixels, wherein at least one sub-pixel comprises a pixel driving circuit and a light emitting device coupled to the pixel driving circuit, wherein the pixel driving circuit at least comprises a first transistor, a second transistor, a third transistor, a fourth transistor and a fifth transistor;

• wherein a first pole of the first transistor is coupled to the data signal line, and a second pole of the first transistor is coupled to a second node;
• a first pole of the second transistor is coupled to a first node, and a second pole of the second transistor is coupled to a third node;
• a gate electrode of the third transistor is coupled to the first node to control a driving current flowing through the third transistor;
• a first pole of the fourth transistor is coupled to an initial signal line;
• and a first pole of the fifth transistor is coupled to a reference signal line, and a second pole of the fifth transistor is coupled to the second node;
• wherein the pixel driving circuit further comprises a threshold capacitor comprising a threshold capacitor first polar plate and a threshold capacitor second polar plate;
• and the threshold capacitor second polar plate is coupled to the second node, and the threshold capacitor first polar plate is coupled to the first node;
• wherein the second pole of the fifth transistor is coupled to the threshold capacitor second polar plate via a fourth connection electrode;
• wherein the second pole of the first transistor is electrically coupled to the threshold capacitor second polar plate through the fourth connection electrode;
• wherein an orthographic projection of the fourth connection electrode on the base substrate overlaps with an orthographic projection of the second power line on the base substrate;
• wherein the orthographic projection of the fourth connection electrode on the base substrate overlaps with an orthographic projection of a scan signal line of the first transistor on the base substrate.