Liquid crystal display apparatus and drive method thereof
US7119785B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2002 |
| Grant date | Oct 10, 2006 |
| Priority date | — |
| Expiry date | Oct 4, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/041
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A liquid crystal display apparatus is provided with a detecting section (108) for detecting a value of a parameter that causes fluctuations in a back transition occurrence condition; a calculating section (106) for determining, in accordance with the detection value of the detecting section, at least one of a ratio of an time period of applying a high voltage with respect to one frame period, the high voltage being applied to the liquid crystal panel in order to prevent back transition, a magnitude of the high voltage, and an applied voltage corresponding to white display; and a controller (104) for alternately outputting a video signal and a non-image signal for applying the high voltage and driving the liquid crystal panel on a condition in accordance with the determination result of the calculating section. With this, it is possible to always display video irrespectively of fluctuation in the back transition occurrence condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.