Liquid crystal display device driving method
US6977636B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2001 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | May 28, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
While image data is written into either one of first, second, third frame memories 1, 2 and 3, image data are repetitively read two times from the remaining two memories in one vertical synchronization interval and transferred to an arithmetic unit 4, and this operation is executed with the frame memories changed sequentially. An arithmetic unit 4 refers to a look-up table on the basis of two inputted data values and, when the data value of the current image signal is greater than the data value of the previous image signal, the unit 4 transfers image data of a value greater than the data value of the current image signal to a liquid crystal display device 5. Thus, the step response characteristic is improved for the improvement of the dynamic image display quality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.