Display substrate and display device having low color cast characteristics

A display substrate, comprising:

• a base substrate;
• a plurality of first color sub-pixels, located on the base substrate, each of the plurality of first color sub-pixels comprising an organic light emitting element, the organic light emitting element comprising a first electrode, a light emitting layer and a second electrode which are stacked in sequence, and the first electrode being located at a side of the second electrode away from the base substrate;
• a plurality of data lines, located between the second electrode of the organic light emitting element and the base substrate, arranged along a first direction and extending along a second direction;
• a plurality of first power signal lines, disposed in the same layer as the plurality of data lines, and extending along the second direction;
• wherein the display substrate further comprises a plurality of first pad blocks disposed in the same layer as the plurality of data lines;
• in a third direction perpendicular to the base substrate, the second electrode of the organic light emitting element in each of the plurality of first color sub-pixels is overlapped with the data line, the first power signal line and the first pad block;
• and for overlapping parts of the data line, the first power signal line and the first pad block with the second electrode of the organic light emitting element, an overlapping part of the first power signal line and an overlapping part of the first pad block are located at both sides of an overlapping part of the data line;
• the display substrate further comprises:
• a plurality of second pad blocks, disposed in the same layer as the plurality of first pad blocks, wherein, in the third direction, the second electrode of the organic light emitting element of each of the plurality of first color sub-pixels is overlapped with the second pad block, and a straight line extending along the second direction passes through the first pad block and the second pad block;
• the second pad block comprises a first part and a second part connected with each other, the first part is located at a side of the second part away from the first pad block, and the straight line extending along the second direction passes through the first part of the second pad block and the first pad block;
• a maximum size of the second pad block along the second direction is greater than a maximum size of the second pad block along the first direction;
• the display substrate further comprises:
• a plurality of scan signal lines, extending along the first direction, and the plurality of scan signal lines being located between the base substrate and a film layer where the plurality of data lines are located, wherein the first pad block is overlapped with the scan signal line;
• a plurality of second power signal lines, extending along the first direction, located between a film layer where the plurality of first power signal lines are located and a film layer where the plurality of scan signal lines are located, and the plurality of second power signal lines being electrically connected with the plurality of first power signal lines, wherein the first pad block is overlapped with the second power signal line;
• a plurality of reset control signal lines, extending along the first direction, and disposed in the same layer as the plurality of scan signal lines, wherein the first part of the second pad block is overlapped with the reset control signal line, and the first pad block is not overlapped with the reset control signal line;
• and
• a plurality of reset power signal line, extending along the first direction, and disposed in the same layer as the plurality of second power signal line, wherein the second pad block is electrically connected with the reset power signal line.