Pixel circuit, array substrate, and display panel

An array substrate, comprising:

• a substrate;
• a plurality of display units arranged in an array on the substrate;
• and
• a pixel circuit, electrically connected to the plurality of display units;
• wherein a pixel unit comprises:
• an initializing device, comprising a first input end;
• a data writing device, comprising a second input end;
• a control device, comprising a first power input end and a first output end;
• and
• a current supplementing device, comprising a second power input end and a second output end;
• wherein each control end of the initializing device, the data writing device, the control device, and the current supplementing device is configured to receive a control signal;
• wherein the first input end is configured to receive a reference signal, and the second input end is configured to receive a data signal;
• wherein the first power input end and the second power input end are both configured to receive an operating voltage, the first output end is configured to output a first driving current, and the second output end is configured to output a second driving current;
• wherein a driving period of the pixel circuit comprises a light-emitting phase;
• and
• wherein in the light-emitting phase, the control signal is configured to:
• control the control device to generate the first driving current according to the data signal and the operating voltage, wherein the first driving current is transmitted to a light-emitting unit;
• control the current supplementing device to generate the second driving current according to the data signal and the operating voltage, wherein the second driving current is transmitted to the light-emitting unit;
• wherein the light-emitting unit is driven by the first driving current and the second driving current for light emission.

A display panel, comprising:

• an array substrate;
• and
• an opposite substrate;
• wherein the array substrate and the opposite substrate are disposed opposite to each other;
• wherein the array substrate comprises:
• a substrate;
• a plurality of display units arranged in an array on the substrate;
• and
• a pixel circuit, electrically connected to the plurality of display units;
• wherein a pixel unit comprises:
• an initializing device, comprising a first input end;
• a data writing device, comprising a second input end;
• a control device, comprising a first power input end and a first output end;
• and
• a current supplementing device, comprising a second power input end and a second output end;
• wherein each control end of the initializing device, the data writing device, the control device, and the current supplementing device is configured to receive a control signal;
• wherein the first input end is configured to receive a reference signal, and the second input end is configured to receive a data signal;
• wherein the first power input end and the second power input end are both configured to receive an operating voltage, the first output end is configured to output a first driving current, and the second output end is configured to output a second driving current;
• wherein a driving period of the pixel circuit comprises a light-emitting phase;
• and
• wherein in the light-emitting phase, the control signal is configured to:
• control the control device to generate the first driving current according to the data signal and the operating voltage, wherein the first driving current is transmitted to a light-emitting unit;
• control the current supplementing device to generate the second driving current according to the data signal and the operating voltage, wherein the second driving current is transmitted to the light-emitting unit;
• wherein the light-emitting unit is driven by the first driving current and the second driving current for light emission.