Pixel circuit, display apparatus and driving method

A display apparatus, comprising a pixel circuit, wherein the pixel circuit comprises:

• a light emitting device;
• a drive transistor, coupled to the light emitting device, and configured, according to a data voltage signal, to generate a drive current to drive the light emitting device to emit light;
• a first compensation circuit, coupled to the drive transistor, and configured, in response to a signal of a first control signal terminal, to provide a first reference signal of a first reference signal terminal to a first electrode of the drive transistor;
• a second compensation circuit, coupled to the drive transistor, and configured, in response to a signal of a second control signal terminal and a signal of a third control signal terminal, to provide a threshold voltage of the drive transistor and the first reference signal input into the first electrode of the drive transistor to a gate of the drive transistor;
• a data writing circuit, coupled to a first node, and configured, in response to a signal of a fourth control signal terminal, to provide the data voltage signal of a data signal terminal to the first node;
• a coupling control circuit, coupled to the first node and the drive transistor, and configured to couple the data voltage signal of the first node to the gate of the drive transistor;
• and
• a light emitting control circuit, coupled to the light emitting device and the drive transistor, and configured, in response to a signal of a light emitting control signal terminal, to make conduction between the first electrode of the drive transistor and a first power supply terminal and make conduction between a second electrode of the drive transistor and the light emitting device to drive the light emitting device to emit light.