| 摘要 |
The present invention relates to a method and a device for driving liquid crystal display. The method comprises: turning on the N-th row of gate line; closing a switch, so that the charges on the two rows of gate line are neutralized and the gate ON voltage on the N-th row of gate line is reduced to a secondary ON voltage for gate; and turning off the N-th row of gate line. The device comprises a liquid crystal panel, a gate driver and a data driver, wherein the liquid crystal panel is disposed with a gate line connected with the gate diver as well as a data line connected with the data drivel, and a controlling device for enabling charge-sharing on adjacent gate lines is connected between the adjacent gate lines. In the present invention, by adding a switch between two rows of gate line, the gate line currently being turned on is short-circuit with the next row of gate line, so that the charges on the two rows of gate line are neutralized, a secondary ON voltage is generated, and multi-level gate voltage is achieved, thus effectively solving the technical defects in the present LCD, that is, an increase in the current consumption of the whole driving circuit and an increase in cost that are caused when adding a circuit for modulating multi-level gate ON voltage on a gate driving circuit board.
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