Touch panel and touch screen having pixel circuit with reset module

A touch panel, comprising a plurality of pixel units, each of the plurality of pixel units comprising a pixel circuit;

• wherein the pixel circuit of each of the plurality of pixel units comprises a driver, a writer, a power supply, a reset module, a controller and a compensator;
• wherein the power supply comprises a fourth switching transistor and a second capacitor;
• wherein a gate of the fourth switching transistor is input with a light emitting control signal, and a source of the fourth switching transistor is input with a power supply signal;
• wherein the second capacitor comprises:
• a first electrode connected to the driver;
• and
• a second electrode input with the power supply signal;
• wherein the fourth switching transistor comprises:
• an active layer formed on a substrate and comprising a channel region which connects a source region and a drain region, wherein the source region and the drain region are doped to serve as the source and a drain of the fourth switching transistor, respectively;
• a gate layer insulated from the active layer, wherein a part of the gate layer which overlaps with the channel region along a first direction serves as the gate of the fourth switching transistor, and the first direction is a direction perpendicular to the substrate;
• wherein the second electrode of the second capacitor is formed by a conductive layer which is formed above the gate layer along the first direction and insulated from the active layer;
• wherein the first electrode of the second capacitor is formed by a part of the active layer, and an orthographic projection of the second electrode on the substrate partially overlaps an orthographic projection of the first electrode on the substrate.