Patent ID: 9679211
Date: 2017-06-13
CPC Classifications: G06F,G06K,G09G,H04M

Claim:
1. A method for operating a display apparatus, the method comprising: acquiring biometric information about a user through a camera or a sensor unit; comparing the acquired biometric information with pre-stored authentication information; switching the display apparatus to a first mode, if the acquired biometric information does not match with the pre-stored authentication information, the first mode restricting access to content predetermined from total content; switching the display apparatus to a second mode if the acquired authentication information matches with the pre-stored authentication information, the second mode allowing access to the total content; displaying a notification message related to the predetermined content when the second mode is entered, the predetermined content generated during operation in the first mode; displaying a notification pop-up indicating an item changed during operation in the first mode, when the second mode is entered; receiving a command selecting a recover item included the notification pop-up; and recovering the changed item to a previous state, wherein the authentication information is information about an iris, and wherein the recovering the changed item to a previous state comprises switching a current screen to another screen in which along with a graphic effect of creating a new application icon for a deleted application or returning a shifted application to the previous position, the changed item is recovered to a previous setting before entering the first mode.