Patent ID: 8831688

Claim:
A mobile terminal, comprising: a display unit configured to display visual information processed in the mobile terminal; an input unit configured to receive a user input; at least one sensor configured to detect user's gaze information; and a controller configured to change a currently displayed screen to a preset screen when detecting a lack of the user input for a first delay time T 1 and configured to change the first delay time T 1 based on the user's gaze information, wherein the controller determines that a user substantially stares at the display unit based on the user's gaze information, the user's gaze information including an image of the user, wherein the controller is further configured to extend the first delay time T 1 to a second delay time T 2 when the controller determines that the user substantially stares at the display unit based on the user's gaze information, wherein the user's gaze information further includes time information indicating a period for which the user substantially stares the display unit, and wherein the controller further determines that the user substantially stares at the display unit when the controller detects an area of the user including the user's face from the image and a size of the area satisfies a threshold condition.