METHOD FOR CONTROLLING BACKLIGHT USING WATCH FUNCTION IN PORTABLE WIRELESS COMMUNICATION TERMINAL

摘要

PURPOSE: A method for controlling a backlight using a watch function in a portable wireless communication terminal is provided to decrease the consumption of an unnecessary power by turning off the backlight in the daytime. CONSTITUTION: If a current time(T) is inputted from a timer to a control unit, it is judged whether the current time(T) is between 8 a.m. and 6 p.m.(710). If so, the control unit sets a backlight off mode and perform the set backlight off mode(760). If a key is operated by a user, the control unit processes corresponding key data without turning on the backlight(780). The control unit turns off the backlight in the case of a handsfree installing mode is performed(770).