Backlight current control in portable electronic devices

摘要

A method in a portable electronic device ( 100 ) having a user interface illumination ( 110 ) is disclosed. The method comprises sensing ( 202 ) an ambient light level in a neighborhood of the portable electronic device with a sensor ( 104 ) of the portable electronic device. Based on the ambient light level sensed, then controlling ( 204 ) a visual characteristic of the user interface illumination, wherein the user interface illumination is operated at a brightness between a maximum brightness and a minimum brightness for at least one ambient light level detected.