Method and apparautus for controlling the brightness of the screen in portable device

The present invention is the process of determining whether when the screen is displayed on the portable terminal, when the screen display, display brightness control event; The process of separating the display area of ​​the partial screen information displayed on the screen according to the determination result; It characterized in that the first comprising the step of ranking the partial control of the brightness of the lower display area, the screen information of the display area is separated. Therefore, according to the present invention, a mobile terminal can reduce the consumption of current by the shaded part of area of ​​the screen display area.