Display substrate and display device

A display substrate, comprising a plurality of display partitions arranged in a plurality of rows and columns, wherein at least one of the plurality of display partitions comprises a plurality of sub-pixels, and the display substrate comprises:

• a base substrate;
• and
• common scanning signal lines, on the base substrate and comprising a plurality of first common scanning signal lines extending along a first direction and a plurality of second common scanning signal lines extending along a second direction, wherein the first direction is different from the second direction, and
• each of the plurality of second common scanning signal lines is electrically connected to one first common scanning signal line of the plurality of first common scanning signal lines, and is configured to provide a common scanning signal to one display partition of the plurality of display partitions;
• the plurality of first common scanning signal lines and the plurality of second common scanning signal lines are provided in different layers, and have a first overlapping portion in a direction perpendicular to the base substrate;
• the display substrate further comprises an auxiliary electrode provided on a side of the plurality of first common scanning signal lines and the plurality of second common scanning signal lines away from the base substrate;
• and
• in the direction perpendicular to the base substrate, the auxiliary electrode overlaps with the first overlapping portion;
• wherein the sub-pixel comprises a pixel driving circuit and a light-emitting device electrically connected to the pixel driving circuit;
• the light-emitting device comprises a first electrode electrically connected to the pixel driving circuit, a light-emitting material layer on a side of the first electrode away from the base substrate, and a second electrode on a side of the light-emitting material layer away from the base substrate;
• and
• the auxiliary electrode is provided in a same layer as the first electrode, and is electrically connected to the second electrode.

A display substrate, comprising a plurality of display partitions arranged in a plurality of rows and columns, wherein at least one of the plurality of display partitions comprises a plurality of sub-pixels, and the display substrate comprises:

• a base substrate;
• and
• common scanning signal lines, on the base substrate and comprising a plurality of first common scanning signal lines extending along a first direction and a plurality of second common scanning signal lines extending along a second direction, wherein the first direction is different from the second direction, and
• each of the plurality of second common scanning signal lines is electrically connected to one first common scanning signal line of the plurality of first common scanning signal lines, and is configured to provide a common scanning signal to one display partition of the plurality of display partitions;
• the plurality of first common scanning signal lines and the plurality of second common scanning signal lines are provided in different layers, and have a first overlapping portion in a direction perpendicular to the base substrate;
• the display substrate further comprises an auxiliary electrode provided on a side of the plurality of first common scanning signal lines and the plurality of second common scanning signal lines away from the base substrate;
• and
• in the direction perpendicular to the base substrate, the auxiliary electrode overlaps with the first overlapping portion;
• wherein the sub-pixel comprises a pixel driving circuit and a light-emitting device electrically connected to the pixel driving circuit, and the pixel driving circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a first shared transistor and a first capacitor;
• the first transistor comprises a first gate electrode, a first source electrode and a first drain electrode, and the first gate electrode is electrically connected to the second common scanning signal line;
• the second transistor comprises a second gate electrode, a second source electrode and a second drain electrode, the second gate electrode is electrically connected to a first scanning signal line, the second source electrode is electrically connected to a data line, and the second drain electrode is electrically connected to the first source electrode;
• the third transistor comprises a third gate electrode, a third source electrode and a third drain electrode, and the third gate electrode is electrically connected to a third scanning signal line;
• the fourth transistor comprises a fourth gate electrode, a fourth source electrode and a fourth drain electrode, the fourth gate electrode is electrically connected to a second scanning signal line, the fourth source electrode is electrically connected to the first source electrode and the second drain electrode, and the fourth drain electrode is electrically connected to a reference voltage line;
• the fifth transistor comprises a fifth gate electrode, a fifth source electrode and a fifth drain electrode, the fifth gate electrode is electrically connected to a light-emitting control signal line, and the fifth drain electrode is electrically connected to a second power supply line;
• the first shared transistor comprises a first shared gate electrode, a first shared source electrode and a first shared drain electrode, the first shared gate electrode is electrically connected to the first common scanning signal line, the first shared source electrode is electrically connected to a reset voltage line, and the first shared drain electrode is electrically connected to the third drain electrode;
• the sixth transistor comprises a sixth gate electrode, a sixth source electrode and a sixth drain electrode, the sixth gate electrode is electrically connected to the first drain electrode, the sixth source electrode is electrically connected to a first electrode of the light-emitting device, and the sixth drain electrode is electrically connected to the fifth source electrode and the third source electrode;
• and
• the first capacitor comprises a first capacitor electrode and a second capacitor electrode, the first capacitor electrode is electrically connected to the first drain electrode, and the second capacitor electrode is electrically connected to the first electrode of the light-emitting device.