| 摘要 |
PURPOSE: An apparatus for controlling an LCD window in a mobile communication terminal and a method therefor are provided to prevent that the LCD window is unnecessarily operated, by judging whether a user sticks a user's ear to the mobile communication terminal and speaks with an object, through an LED(Light Emitting Diode) display unit and an optical sensor, and blocking a power supplied to the LCD window. CONSTITUTION: An LED display unit(110) turns off or on an LED according to the operation control of a control unit(101). An optical sensor(111) measures the quantity of a light outputted from the LED, and transmits the measured quantity of the light to the control unit(101). The control unit(101) compares the value measured in the optical sensor(111) with a setup value stored in a memory unit(108), and decides the on/off of an LCD window(109).
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