Method for controlling operations of a backlight unit of a liquid crystal display
US7235934B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2005 |
| Grant date | Jun 26, 2007 |
| Priority date | — |
| Expiry date | Dec 22, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0261
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for controlling operations of a backlight unit of a liquid crystal display (LCD) is disclosed. The LCD includes a LCD panel and the backlight unit. The LCD panel has a plurality of display units. The backlight unit is placed behind the LCD panel and has a plurality of illumination devices for providing light to the LCD panel. The method includes: (a) keeping at least two of the illumination devices turned on at all times; (b) turning off one of the illumination devices every predetermined time interval; and (c) turning on one of the illumination devices every predetermined time interval.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.