Patent ID: 9564086
Date: 2017-02-07
CPC Classifications: G09G

Claim:
1. A method for improving saturation degree of a RGBW image, comprising: a step A of dividing a screen into a plurality of screen sub-regions according to a region range in which backlight is independently and dynamically adjustable on the screen; a step B of dividing the RGBW image to be displayed into sub-areas on the basis of the screen sub-regions, the sub-areas of the RGBW image to be displayed corresponding to the screen sub-regions; a step C of determining the sub-areas having saturation degree to be adjusted in all of sub-areas of the RGBW image to be displayed; and a step D of reducing backlight brightness of the sub-areas having saturation degree to be adjusted by a predetermined proportion when the RGBW image to be displayed is displayed; wherein the sub-areas having saturation degree to be adjusted comprise first type sub-areas having saturation degree to be adjusted and second type sub-areas having saturation degree to be adjusted, the step C comprising: