Pixel driving circuit and display panel

A display panel, comprising a plurality of pixel driving circuits, each of the pixel driving circuits comprises:

• a driving transistor connected in series with a light emitting element between a first power supply line and a second power supply line, wherein a source of the driving transistor is electrically connected to the light emitting element;
• a data transistor, wherein a source of the data transistor is electrically connected to a data line, a drain of the data transistor is electrically connected to a gate of the driving transistor, and a gate of the data transistor is loaded with a data control signal;
• and
• a boost module, wherein an input terminal of the boost module is configured to be loaded with a boost input signal, and an output terminal of the boost module is electrically connected to the gate of the driving transistor;
• wherein the boost module is configured to control the voltage of the gate of the driving transistor to boost from a first voltage in a first stage to a second voltage in a second stage, the second stage is later than the first stage, and the driving transistor is configured to generate a driving current based at least on the second voltage to drive the light emitting element to emit light;
• wherein the boost module comprises:
• a first capacitor, wherein a first electrode plate of the first capacitor is electrically connected to the gate of the driving transistor to server as the output terminal of the boost module;
• and
• a first boost transistor, wherein a drain of the first boost transistor is electrically connected to a second electrode plate of the first capacitor, a source of the first boost transistor is electrically connected to the input terminal of the boost module, a gate of the first boost transistor is loaded with a first boost control signal, and the first boost transistor is turned on in both the first stage and the second stage;
• and
• wherein the boost input signal has a first boost input voltage in the first stage and a second boost input voltage in the second stage, and the second boost input voltage is greater than the first boost input voltage.

A display panel, comprising a pixel driving circuit comprising:

• a first transistor connected in series with a light emitting element between a first power supply line and a second power supply line, wherein a source of the first transistor is electrically connected to the light emitting element;
• a second transistor, wherein a source of the second transistor is electrically connected to a first signal line, a drain of the second transistor is electrically connected to a gate of the first transistor, and a gate of the second transistor is electrically connected to a second signal line;
• and
• a first module, wherein an input terminal of the first module is electrically connected to a third signal line, an output terminal of the first module is electrically connected to the gate of the first transistor, and a control terminal of the first module is electrically connected to a fourth signal line;
• wherein the first module comprises:
• a first capacitor, wherein a first electrode plate of the first capacitor is electrically connected to the gate of the driving transistor to serve as the output terminal of the first module;
• a third transistor, wherein a drain of the third transistor is electrically connected to a second electrode plate of the first capacitor, a source of the third transistor is electrically connected to the input terminal of the first module, and a gate of the third transistor is electrically connected to the fourth signal line;
• and
• a fourth transistor, wherein a drain of the fourth transistor is electrically connected to the drain of the third transistor, a source of the fourth transistor is electrically connected to the input terminal of the first module, and a gate of the fourth transistor is electrically connected to a fifth signal line different from the gate of the first transistor;
• and
• wherein the gate of the third transistor is electrically connected to the gate of the first transistor.