| 摘要 |
The present disclosure relates to a technical field of display, and more particularly, to a pixel driving unit and a driving method thereof, as well as a pixel circuit comprising the pixel driving unit; the pixel driving unit comprises a driving sub-circuits and a control sub-circuit, wherein the control sub-circuit is connected to a data line, and the driving sub-circuits are connected to the control sub-circuit. In the process of driving the light emitting device, the pixel driving unit can effectively eliminate the nonuniformity due to the threshold voltage of the driving transistor and a phenomenon of image sticking due to the threshold voltage drift, avoid a problem of nonuniform brightness of the active matrix OLED due to the difference of the threshold voltages of the driving transistors thereof between the light emitting devices of different pixel driving units of the active matrix OLED, and improve the driving effect of the pixel driving unit with respect to the light emitting device, and further improve the quality of the active matrix OLED. |
