Display control method and apparatus of backlight sources, and display device
US10930225B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 4, 2019 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | Mar 4, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display control method and apparatus of backlight sources, and a display device are provided. The method includes: determining a set backlight value of each backlight area according to a grayscale of an image to be displayed; determining an equivalent backlight luminance of each pixel point according to backlight source diffusion transmission parameter of the backlight module of the display device and the set backlight value of each backlight area; determining a compensation image according to the equivalent backlight luminance of each pixel point; and controlling the backlight module to turn on the backlight sources according to the set backlight value of each backlight area, and controlling the display panel to display the image according to the compensation image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.