An application sensitive illumination method for a mobile device is provided. The method comprises detecting whether a first application is launched; determining a first set of keys of the mobile device associated with the first application; illuminating the first set of keys; detecting whether a second...http://www.google.ca/patents/US20060219542?utm_source=gb-gplus-sharePatent US20060219542 - Application sensitive illumination system and method for a mobile computing device
