Method and device for backlight control, electronic device, and computer readable storage medium
US11393416B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 17, 2020 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | Oct 2, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a method for backlight control, a display device, an electronic device and a computer readable storage medium. The display device may include a backlight module and a display unit. The backlight module includes backlight partitions. The method comprises: determining, with respect to a current frame image, a first backlight brightness value for each backlight partition; determining a scene type of the current frame image according to the first backlight brightness value and a ratio of black regions in the current frame image; obtaining an actual backlight brightness value for each of the plurality of the backlight partitions with respect to the current frame image, by processing the first backlight brightness value according to the scene type determined; and driving the backlight module with the actual backlight brightness value, so as to adjust the backlight brightness for each backlight partition in the backlight module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.