DEVICE AND A METHOD FOR CONVERTING THE CHARACTER DISPLAY OF A KEYPAD OF A MOBILE COMMUNICATION TERMINAL, PARTICULARLY FOR DISPLAYING ONLY CHARACTERS OF A CORRESPONDING MODE ON KEY BUTTONS OF THE KEYPAD ACCORDING TO THE CHANGE OF A CHARACTER INPUT MODE

摘要

PURPOSE: A device and a method for converting the character display of a keypad of a mobile communication terminal are provided to visually understand characters by displaying only characters of a corresponding mode on key buttons of the keypad according to the change of a character input mode. CONSTITUTION: A key input device of a mobile communication terminal has a plurality of key input buttons(200) and LEDs(Light Emitting Diodes)(241-243). The key input buttons(200) have a plurality of numerical/character keys and function keys. The LEDs(241-243) are composed in the key buttons of a keypad of the mobile communication terminal to be turned on/off according to a character input mode. A number and a Hangul/English character are displayed by the LEDs.