Key backlight control device, portable terminal device, key backlight control method, and key backlight control program

摘要

A key backlight control device, a portable terminal device, a key backlight control method, and a program for reducing current consumption during key operation. The key backlight control device (100) includes a key input unit (120) for inputting data by pressing a key, a key backlight unit (140) for illuminating the key input unit (120), and a predetermined time after the key is pressed. The time measurement unit (130) for timing and the backlight unit (140) for a certain period of time measured by the time measurement unit (130) when a key press by the key input unit (120) is detected while the backlight is lit. A key backlight lighting control unit (110) that performs key backlight control to be turned off.