| 摘要 |
A pixel driving circuit of an organic light emitting diode includes a first switch, a capacitor, a transistor, a second switch, a third switch and an organic light emitting diode. The operation of the pixel driving circuit includes three stages of resetting, data writing, and emitting. The pixel driving circuit is able to reset the transistor for de-trapping holes at stages of resetting and data writing. The image retention caused by the transistor hysteresis may be improved.
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