Patent ID: 8063872

Claim:
A method, comprising: at a portable electronic device having a display: executing on the device a first application with a first auto dim time setting and first display window, and a second application with a second auto dim time setting that is independent of the first auto dim time and a second display window; if the first display window is active, dimming the first display window when there is no user interaction with the first application for a period of time in excess of the first auto dim time setting, and if there is subsequent user interaction with the device to reverse the dimming within a predefined time of the dimming, reversing the dimming of the first display window and extending the first auto dim time setting; and if the second display window is active, dimming the second display window when there is no user interaction with the second application for a period of time in excess of the second auto dim time setting, and if there is subsequent user interaction with the device to reverse the dimming within a predefined time of the dimming of the second display window, reversing the dimming of the second display window and extending the second auto dim time setting.