CPC G09G 3/2007 (2013.01) [G09G 3/3406 (2013.01); G09G 2320/0626 (2013.01); G09G 2360/16 (2013.01)] | 18 Claims |
1. A brightness regulating method, wherein the method is applied to a displaying device, the displaying device comprises a backlight module, and the brightness regulating method comprises:
dividing a backlight source of the backlight module into a plurality of light areas;
acquiring maximum grayscale values of the light areas and a maximum grayscale value of the backlight source;
according to the maximum grayscale values of the light areas and the maximum grayscale value of the backlight source, obtaining first brightness parameters of the light areas;
according to the first brightness parameters, obtaining a second brightness parameter; and
according to the second brightness parameter, regulating brightnesses of the light areas,
wherein the step of, according to the second brightness parameter, regulating the brightnesses of the light areas comprises:
when a light area among the light areas is in a lightening state, renewing a brightness value of the light area, wherein the brightness value that has been renewed is equal to a product of multiplying an initial brightness value of the light area in the lightening state by the second brightness parameter; and
when a light area among the light areas is in an extinguishing state, maintaining the extinguishing state of the light area.
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