Image data refreshing method and display system using the same
US8049742B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2007 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | Mar 29, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2370/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image data refreshing method used in an image data displaying device is provided. The method includes the following procedures. First, a refreshing center of a display area is defined according to a visual focus of a present frame displayed on the display area. Next, the display area is divided into at least a first sub-display area and a second sub-display area according to the refreshing center, wherein the refreshing center is located within the first sub-display area which is surrounded by the second sub-display area. Then, the refreshing rate of image data of the first sub-display area and that of the second sub-display area are set respectively. Afterwards, the image data of the first sub-display area and that of the second sub-display area are respectively refreshed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.