| 摘要 |
A pixel circuit and a driving method therefor, and a display device. The pixel circuit comprises a first switch module (10), a first driving module (20), a second switch module (30), a second driving module (40), a coupling module (50) and a light-emitting module (60). The first switch module (10) is connected with a first scan signal terminal (Vscan1), a data signal terminal (Vdata), the first driving module (20) and the coupling module (50), respectively; the second switch module (30) is connected with a second scan signal terminal (Vscan2), the data signal terminal (Vdata), the second driving module (40) and the coupling module (50), respectively; the coupling module (50) is further connected with a first voltage terminal (Vdd), the first driving module (20) and the second driving module (40); the first driving module (20) is further connected with the first voltage terminal (Vdd) and the light-emitting module (60); the second driving module (40) is further connected with the first voltage terminal (Vdd) and the light-emitting module (60); the light-emitting module (60) is further connected with an enabling signal terminal (Em) and a second voltage terminal (Vss). The threshold voltage drift of a TFT can be compensated, the constancy of the display brightness of the display device can be improved, and the service life of the display device can be prolonged. |
