A method is set forth for automatically adjusting screen and keypad brightness on a mobile electronic device having a light sensor, display screen and keypad, for optimum legibility under varying lighting conditions, with minimal eye strain and distraction to the user. The method includes obtaining light...http://www.google.se/patents/US7701434?utm_source=gb-gplus-sharePatent US7701434 - Automatic screen and keypad brightness adjustment on a mobile handheld electronic device