Array substrate, display panel and display device

A display panel, comprising an array substrate, wherein the array substrate comprises:

• a base substrate provided with a plurality of pixels arranged in an array, wherein each of the plurality of pixels comprises a plurality of sub-pixels, each of the plurality of sub-pixels comprises a pixel circuit, and the pixel circuit comprises:
• a light emitting element, a storage capacitor, a driving transistor, and a data writing transistor, a third thin film transistor, a first conductive layer, and a second conductive layer wherein each of the driving transistor and the data writing transistor comprises an active layer, a gate electrode, a first electrode, and a second electrode, and the driving transistor is configured to control the light emitting element to emit light;
• a data line connected to the first electrode of the data writing transistor and configured to provide a data signal for the data writing transistor, wherein the data writing transistor is configured to write the data signal into the gate electrode of the driving transistor in response to a first scan signal applied to the gate electrode of the data writing transistor;
• and
• a first connection structure connected to both the gate electrode of the driving transistor and a first electrode plate of the storage capacitor, wherein the first connection structure and the data line are provided in different layers;
• an insulating layer provided the first connection structure and the data line;
• a first power line connected to a first voltage terminal and a second electrode plate of the storage capacitor;
• the second conductive layer includes a light shielding portion, an orthographic projection of the light-shielding portion on the base substrate covers double-channel regions of the third thin-film transistor, the orthographic projection of the light-shielding portion is not overlapped with an orthographic projection of the data line on the base substrate, and the light shielding portion is electrically connected to the first power line.

A display device, comprising a display panel, wherein the display panel comprises:

• an array substrate, wherein the array substrate comprises:
• a base substrate provided with a plurality of pixels arranged in an array, wherein each of the plurality of pixels comprises a plurality of sub-pixels, each of the plurality of sub-pixels comprises a pixel circuit, and the pixel circuit comprises:
• a light emitting element, a storage capacitor, a driving transistor, and a data writing transistor, a third thin film transistor, a first conductive layer, and a second conductive layer wherein each of the driving transistor and the data writing transistor comprises an active layer, a gate electrode, a first electrode, and a second electrode, and the driving transistor is configured to control the light emitting element to emit light;
• a data line connected to the first electrode of the data writing transistor and configured to provide a data signal for the data writing transistor, wherein the data writing transistor is configured to write the data signal into the gate electrode of the driving transistor in response to a first scan signal applied to the gate electrode of the data writing transistor;
• and
• a first connection structure connected to both the gate electrode of the driving transistor and a first electrode plate of the storage capacitor, wherein the first connection structure and the data line are provided in different layers;
• an insulating layer provided the first connection structure and the data line;
• a first power line connected to a first voltage terminal and a second electrode plate of the storage capacitor;
• the second conductive layer includes a light shielding portion, an orthographic projection of the light-shielding portion on the base substrate covers double-channel regions of the third thin-film transistor, the orthographic projection of the light-shielding portion is not overlapped with an orthographic projection of the data line on the base substrate, and the light shielding portion is electrically connected to the first power line.