DISPLAY DEVICE, OLED PIXEL DRIVING CIRCUIT AND DRIVING METHOD THEREFOR

摘要

The present disclosure provides a display device, an OLED pixel driving circuit and a driving method therefor. The OLED pixel driving circuit includes: an electroluminescent element, a switching unit, a storage unit, a compensation unit, a driving transistor, a reset unit and a partition unit; wherein, the switching unit is connected with a data signal and is connected with the storage unit; the compensation unit is connected with the storage unit; the storage unit is connected with a gate electrode of the driving transistor; a source electrode of the driving transistor is connected with a driving voltage, a drain electrode thereof is connected with the compensation unit; the partition unit is connected with the drain electrode and is connected with the electroluminescent element; the reset unit is connected with a reset signal and is connected with the gate electrode.

主权项

1. An OLED pixel driving circuit, comprising: an electroluminescent element, a switching unit, a storage unit, a compensation unit, a driving transistor, a reset unit and a partition unit;
wherein, a first end of the switching unit is configured to receive a data signal, a second end of the switching unit is connected with a first end of the storage unit; the switching unit is used to control the data signal to be written into the storage unit; a first end of the compensation unit is connected with a second end of the storage unit; the compensation unit is used to prestore a threshold voltage of the driving transistor into the storage unit; the second end of the storage unit is connected with a gate electrode of the driving transistor; the storage unit is used to store a written voltage signal and provide it to the gate electrode of the driving transistor; a source electrode of the driving transistor is configured to receive a driving voltage, and a drain electrode of the driving transistor is connected with a second end of the compensation unit; a first end of the partition unit is connected with the drain electrode of the driving transistor, a second end of the partition unit is connected with the electroluminescent element; the partition unit is used to partition an electronic connection between the driving transistor and the electroluminescent element; and a first end of the reset unit is configured to receive a reset signal, a second end of the reset unit is connected with the gate electrode of the driving transistor; the reset unit is used to reset a level of the gate electrode of the driving transistor.