Patent ID: 9576529
Date: 2017-02-21
CPC Classifications: G09G

Claim:
1. A driving circuit for a display panel comprising: a capacitor; a pre-charging switch including a first gate electrode, a first source electrode, and a first drain electrode, wherein the first gate electrode is used to receive a first control signal sent from a first signal source; the first drain electrode is used to receive a second control signal sent from a second signal source; and the first source electrode is connected to the capacitor; a scanning switch including a second gate electrode, a second source electrode, and a second drain electrode, wherein the second gate electrode is used to receive the second control signal, and the second source electrode is used to receive a first power signal from a first power input terminal; a driving switch including a third gate electrode, a third source electrode, and a third drain electrode, wherein the third source electrode is connected to the second drain electrode of the scanning switch; a first stabilizing switch including a fourth gate electrode, a fourth source electrode, and a fourth drain electrode, wherein the fourth gate electrode is used to receive the second control signal; the fourth source electrode is connected to the third drain electrode; and the fourth drain electrode is connected to the third gate electrode and the capacitor; a second stabilizing switch including a fifth gate electrode, a fifth source electrode, and a fifth drain electrode, wherein the fifth gate electrode is connected to the fourth gate electrode; the fifth drain electrode is connected to the third drain electrode; and the fifth source electrode is connected to a light emitting device; and a third stabilizing switch including a sixth gate electrode, a sixth source electrode, and a sixth drain electrode, wherein the sixth gate electrode is connected to the fourth gate electrode; the sixth source electrode is connected to third source electrode; and the sixth drain electrode receives the second power signal from the second power input terminal; wherein the pre-charging switch is an N-type thin-film transistor that is used to pre-charge the capacitor according to the first control signal and second control signal, so as to switch on the driving switch.