Patent ID: 9570016
Date: 2017-02-14
CPC Classifications: F21Y,G02F,G09G

Claim:
1. A light source control module, wherein the light source control module is configured for separately controlling illumination colors and/or brightness of each light source in a backlight module according to image information, each of the light sources comprises a plurality of sub-sources with different luminescent colors; the light source control module comprising: an acquiring unit for acquiring image information; a calculating unit, configured to calculate representative color and/or brightness of each image section based on the image information; a control unit for controlling the illumination colors and/or brightness of each light source in the backlight module, according to the representative color and/or brightness of each image section; and wherein the calculating unit calculates, according to the following formula, an initial value Lin of respective color component in each image section: wherein a is color coefficient, P is the number of pixels having the color component in each image section, i is a color value, Hi is the number of pixels having the color component and having a color value i in each image section, Wi is a weighting factor for the color value i.