Local dimming control method and apparatus of edge-type backlight module
US8362702B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2010 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Oct 31, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G3/3426
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A local dimming control method and apparatus of an edge-type backlight module are provided. The edge-type backlight module has a plurality of backlight units positioned at at least one side of a display area. The local dimming control apparatus includes: a configuration unit, for dividing the display area into a plurality of display blocks; and a local dimming control unit, coupled to the configuration unit, for setting respective backlight intensities of the display blocks through controlling a plurality of luminance settings of the backlight units. The local dimming control method includes: dividing the display area into a plurality of display blocks; and performing a local dimming control operation to set respective backlight intensities of the display blocks through controlling a plurality of luminance settings of the backlight units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.