Driving method and circuit for liquid crystal display panel

摘要

The present invention provides a driving method for a liquid crystal display panel, comprising a timing-driven process, wherein the timing-driven process includes the steps of: generating an initial pulse signal, which has a first rising edge rising from a low voltage to a high voltage and a first falling edge falling from the high voltage to the low voltage; and generating a timing pulse signal, which has a second rising edge rising from a low voltage to an intermediate voltage, a third rising edge rising from the intermediate voltage to a high voltage, a second falling edge falling from the high voltage to the intermediate voltage, and a third falling edge falling from the intermediate voltage to the low voltage. At the same time, the present invention further provides a driving circuit for a liquid crystal display panel.

主权项

1. A driving method for a liquid crystal display panel, comprising a timing-driven process and a scan-driven process, wherein the timing-driven process includes the steps of:
A. generating an initial pulse signal, which has a first rising edge rising from a low voltage to a high voltage and a first falling edge falling from the high voltage to the low voltage; and B. generating a timing pulse signal, which has a second rising edge rising from a low voltage to an intermediate voltage, a third rising edge rising from the intermediate voltage to a high voltage, a second falling edge falling from the high voltage to the intermediate voltage, and a third falling edge falling from the intermediate voltage to the low voltage; wherein the scan-driven process includes the step of:
a receiving step for receiving a control signal from a timing-driven circuit;a converting step for generating a target control signal based on the control signal, the target control signal including a start voltage pulse signal, a clock voltage pulse signal and an output enable signal; andan outputting step for outputting a scan-driven signal used for driving a liquid crystal display panel based on the target control signal; wherein the converting step includes the sub-steps of:
converting the initial pulse signal into the star voltage pulse signal;converting the timing pulse signal into the clock voltage pulse signal and the output enable signal, wherein a rising edge of the clock voltage pulse signal is the third rising edge of the timing pulse signal; a falling edge of the clock voltage pulse signal is the third rising edge of the timing pulse signal; a rising edge of the output enable signal is the second rising edge of the timing pulse signal; and a falling edge of the output enable signal is the second falling edge of the timing pulse signal.