Patent ID: 9395833
Filing Date: 2016-07-19
CPC Classification: G06F

Claim Text:
1. A method for controlling to lock or unlock in a portable terminal having a transparent double-sided display, the method comprising: activating the transparent double-sided display according to a lock state or an unlock state of the transparent double-sided display, wherein the transparent double-sided display is capable of receiving a touch input on a first display surface and a second display surface; displaying a lock or unlock area, which notifies whether a display surface is locked, in a preset area of at least one of display surfaces of the transparent double-sided display; changing the lock state or the unlock state of the at least one of the display surfaces of the transparent double-sided display and displaying whether the changed state is the lock state or the unlock state in the lock or unlock area of the at least one display surface, when a touch input is received in the lock or unlock area; and setting a preset transparency for the transparent double-sided display differently, based on the lock state or the unlock state of the at least one of the display surfaces.