Method for driving liquid crystal display
US7164406B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 5, 2003 |
| Grant date | Jan 16, 2007 |
| Priority date | — |
| Expiry date | Nov 25, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0261
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a method for driving a liquid crystal display, in which the response speed of a liquid crystal is improved by the change of gate pulse voltage. The method comprises the steps of: sequentially generating a plurality of gate pulse voltages having 1st to 3rd levels while being synchronized with vertical clock signal in said 1 vertical period; in invert driving, dividing the generating period of the plural gate pulse voltages into a charge period, a holding period and a discharge period in respective polar periods corresponding to the 1st to 3rd levels of the plural gate pulse voltage; and converging pixel voltage of the discharge period to a common voltage level, wherein the 3rd level exists in a range between the 1st level and the 2nd level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.