| 摘要 |
A drive circuit of a display panel comprises: a capacitor (110), a pre-charge switch (111), a scanning switch (112), a drive switch (113), three stable switches (114, 115, 116) and a light-emitting device (117), wherein a gate electrode of the pre-charge switch (111) receives a first control signal (Pre n), a drain electrode thereof receives a second control signal (Gate n), and a source electrode thereof is connected to the capacitor (110) for pre-charging the capacitor (110) and starting up the drive switch (113), and the capacitor (110) performs discharging via the drive switch (113); and until the drive circuit reaches a stable state, the drive switch (113) drives the light-emitting device (117) to emit light. Further disclosed is a liquid crystal display device. The drive circuit can reduce threshold voltage drifting of the drive switch. |
