Pixel driving circuit, array substrate and display device

An array substrate, comprising:

• a first direct voltage signal line extending along a first direction;
• a second direct voltage signal line extending along a second direction, the first direction intersecting the second direction;
• and
• a plurality of pixel driving circuits, wherein the pixel driving circuits are arranged in an array along the first direction and the second direction, and the pixel driving circuits are respectively electrically connected to the first direct voltage signal line and the second direct voltage signal line, wherein
• a pixel driving circuit comprises:
• a first transistor, wherein a gate of the first transistor is electrically connected to a first node, and the first transistor is configured to provide a driving current for a light-emitting element;
• and
• a first storage capacitor, wherein a first plate of the first storage capacitor is electrically connected to the first node, and a second plate of the first storage capacitor is electrically connected to a first electrode of the light-emitting element through a first connection part.

A display device, comprising:

• a pixel driving circuit;
• or
• an array substrate, wherein
• the pixel driving circuit comprises:
• a driving circuit, configured to provide a driving current for a light-emitting element;
• a data writing circuit, wherein a control terminal of the data writing circuit is electrically connected to a first scan signal terminal, a first terminal of the data writing circuit is electrically connected to a data signal terminal, and a second terminal of the data writing circuit is electrically connected to a first terminal of the driving circuit;
• a threshold compensation circuit, wherein a control terminal of the threshold compensation circuit is electrically connected to a second scan signal terminal, a first terminal of the threshold compensation circuit is electrically connected to a control terminal of the driving circuit, and a second terminal of the threshold compensation circuit is electrically connected to a second terminal of the driving circuit;
• a first storage circuit, wherein a first terminal of the first storage circuit is electrically connected to the control terminal of the driving circuit, and a second terminal of the first storage circuit is electrically connected to a first electrode of the light-emitting element;
• in a threshold compensation phase, the data writing circuit turns on in response to a turn-on level provided by the first scan signal terminal, and the threshold compensation circuit turns on in response to a turn-on level provided by the second scan signal terminal;
• and
• in a light emission phase, the first storage circuit adjusts a potential of the control terminal of the driving circuit in response to a change in potential of the first electrode of the light-emitting element;
• and
• the array substrate comprises:
• a first direct voltage signal line extending along a first direction;
• a second direct voltage signal line extending along a second direction, the first direction intersecting the second direction;
• and
• a plurality of pixel driving circuits, wherein the pixel driving circuits are arranged in an array along the first direction and the second direction, and the pixel driving circuits are respectively electrically connected to the first direct voltage signal line and the second direct voltage signal line, wherein
• a pixel driving circuit of the plurality of pixel driving circuits comprises:
• a first transistor, wherein a gate of the first transistor is electrically connected to a first node, and the first transistor is configured to provide a driving current for a light-emitting element included in the array substrate;
• and
• a first storage capacitor, wherein a first plate of the first storage capacitor is electrically connected to the first node, and a second plate of the first storage capacitor is electrically connected to a first electrode of the light-emitting element included in the array substrate through a first connection part.