Pixel circuit and method for driving a light emitting device and organic light emitting display panel

A pixel circuit, comprising a light emitting device, and further comprising:

• a charging module, whose input terminal is connected to a data signal terminal and control terminal is connected to a scanning signal terminal;
• a driving module, whose input terminal is connected to a first reference signal terminal and control terminal is connected to an output terminal of the charging module;
• and
• an initializing module, whose first input terminal is connected to an output terminal of the driving module, first output terminal is connected to an output terminal of the charging module, first control terminal is connected to an initializing signal terminal, second control terminal is connected to a control signal terminal, second output terminal is connected to an input terminal of the light emitting device, and second input terminal is connected to an output terminal of the light emitting device and a second reference signal terminal respectively;
• wherein in an initializing phase, the initializing module is configured to initialize the driving module and the light emitting device under the control of the initializing signal terminal and the control signal terminal;
• in a writing phase, the charging module is configured to write a data signal inputted from the data signal terminal into the control terminal of the driving module under the control of the scanning signal terminal;
• and in a light emitting phase, the charging module is configured to load a first reference signal inputted from the data signal terminal to the control terminal of the driving module under the control of the scanning signal terminal, and the initializing module is configured to connect the output terminal of the driving module with the input terminal of the light emitting device under the control of the control signal terminal so that the driving module drives the light emitting device to emit light.