PIXEL-DRIVING CIRCUIT, THE DRIVING METHOD THEREOF, AND DISPLAY DEVICE

摘要

The embodiment of present disclosure provides a pixel driving circuit and a driving method thereof and a display device, which can improve the undesirable phenomena of uneven display luminance of a display caused by a threshold voltage. The pixel driving circuit comprises a light emitting unit and at least one driving unit. The driving unit comprises a driving module, a compensation module and an initialization module. The light emitting unit is connected to the driving unit, a high level signal terminal, a low level signal terminal and a first signal terminal; the driving module is connected to the light emitting unit, a second signal terminal, the compensation module and the initialization module, respectively; the initialization module is connected to the light emitting unit, the driving module, the compensation module, an initial voltage terminal and a fourth signal terminal; the compensation module is connected to the driving module, the initialization module, a reference voltage terminal, a scanning signal terminal, a data voltage terminal and a third signal terminal. The driving unit further comprises a first driving unit and a second driving unit for alternately driving two adjacent frames of image.

主权项

1. A pixel driving circuit comprising a light emitting unit and at least one driving unit, the driving unit comprising a driving module, a compensation module and an initialization module,
wherein the light emitting unit is connected to the driving unit, a high level signal terminal, a low level signal terminal and a first signal terminal, respectively, and is configured to emit light under the control of the driving unit, the high level signal terminal, the low level signal terminal and the first signal terminal; the driving module is connected to the light emitting unit, the compensation module, the initialization module and a second signal terminal, respectively, and is configured to drive the light emitting unit to emit light under the control of the second signal terminal; the initialization module is connected to the light emitting unit, the driving module, the compensation module, an initial voltage terminal and a fourth signal terminal, respectively, and is configured to initiate the driving module via the initial voltage terminal under the control of the fourth signal terminal; the compensation module is connected to the driving module, the initialization module, a reference voltage terminal, a scanning signal terminal, a data voltage terminal and a third signal terminal, respectively, and is configured to compensate the threshold voltage of the driving module under the control of the reference voltage terminal, the scanning signal terminal, the data voltage terminal and the third signal terminal.