Display device and light adjusting method thereof
US7639220B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2004 |
| Grant date | Dec 29, 2009 |
| Priority date | — |
| Expiry date | Jan 18, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3182
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention provides a display device and a light adjusting method thereof capable of carrying out light adjustment effectively by the output control of a light source and, preferably, of effecting light adjustment according to color distribution of a displayed image. The display device of the invention that is capable of adjusting a displayed image by changing light flux can include a plurality of light sources having light emitting diodes, an image analyzing unit for outputting a light control signal for controlling the output of each of the light sources, based on an image signal of the displayed image, and a light control device for controlling the output of each of the light sources based on the light control signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.