Adaptive color correction for display with backlight modulation
US9478173B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2011 |
| Grant date | Oct 25, 2016 |
| Priority date | — |
| Expiry date | Apr 15, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The techniques of this disclosure are applicable to backlight display devices. For such devices, the backlight may have different backlight intensity settings in order to promote power conservation. The techniques of this disclosure may apply different adjustments to the display, depending on the backlight intensity setting. In one example, different color correction matrices may be applied for different backlight settings in order to achieve desirable adjustments in the device at the different backlight settings. The adjustments described herein may address chrominance shifts due to different backlight settings as well as cross-talk between color channels. The techniques may also be applicable to organic light emitting diode (OLED) displays that have different luminance settings, and some described techniques may be applicable to displays that have static or fixed luminance output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.