Display substrate including a shielding pattern electrically coupled with the power signal line in the sub-pixel and method for manufacturing the same, and display device having the same

A display device, comprising a display substrate;

• wherein the display substrate includes:
• a base substrate;
• and
• an array of sub-pixels on the base substrate;
• wherein each sub-pixel includes:
• a power signal line;
• wherein at least part of the power signal line extends along a first direction;
• sub-pixel driver circuits;
• wherein each sub-pixel driver circuit includes a driver transistor and a compensation transistor of double-gate structure;
• a first terminal of the driver transistor is electrically coupled with the power signal line;
• a first terminal of the compensation transistor of double-gate structure is electrically coupled with a second terminal of the driver transistor;
• a second terminal of the compensation transistor of double-gate structure is electrically coupled with a gate of the driver transistor;
• an active layer of the compensation transistor of double-gate structure includes a first semiconductor pattern, a second semiconductor pattern, and a conductor pattern located between the first semiconductor pattern and the second semiconductor pattern;
• a shielding pattern electrically coupled with the power signal line in the sub-pixel which is adjacent the shielding pattern in a second direction;
• wherein there is an overlap area between an orthographic projection of the shielding pattern onto the base substrate and an orthographic projection of the conductor pattern onto the base substrate;
• the second direction intersects the first direction;
• wherein the array of sub-pixels include multiple first sub-pixels and multiple second sub-pixels;
• the overlap area in the first sub-pixel is greater than the overlap area in the second sub-pixel.