Pixel driving circuit and driving method of the same, display apparatus

A pixel driving circuit, comprising:

• a capacitor, a reset unit, a data writing unit, a compensation unit, a light emitting control unit, a driving transistor and a light emitting device;
• the reset unit, being connected to a first power supply voltage terminal, a first control signal terminal, a second control signal terminal, a first terminal of the capacitor, a first electrode of the driving transistor and a control terminal of the driving transistor, and configured to write a first power supply voltage of the first power supply voltage terminal into the first terminal of the capacitor under control of a first control signal of the first control signal terminal and a second control signal of the second control signal terminal;
• the data writing unit, being connected to the second control signal terminal, a data signal terminal and a second terminal of the capacitor, and configured to write a data signal of the data signal terminal into the second terminal of the capacitor under control of the second control signal of the second control signal terminal;
• the compensation unit, being connected to the second control signal terminal, a third control signal terminal, a reference voltage signal terminal, the second terminal of the capacitor and a first node, wherein the first node is a connection point for a second electrode of the driving transistor, the compensation unit and the light emitting control unit, and the compensation unit being configured to provide a reference voltage of the reference voltage signal terminal to the first node under control of the second control signal of the second control signal terminal, and to write a voltage of the first node into the second terminal of the capacitor under control of a third control signal of the third control signal terminal;
• the light emitting control unit, being connected to the third control signal terminal, the first node and a first terminal of the light emitting device, and configured to provide a light emitting current to the light emitting device for making it emit light and to reduce the voltage of the first node under control of the third control signal of the third control signal terminal;
• the first terminal of the capacitor being connected to the control terminal of the driving transistor;
• a second terminal of the light emitting device being connected to a second power supply voltage terminal.