Patent attributes
A mobile terminal according to the present disclosure can include a main body, a touch screen disposed on a front side of the main body, a first sensor disposed on the front side to sense the approach of an object to the main body in a locked state, a second sensor disposed in proximity to the first sensor to be driven in either one of a sleep mode and an active mode so as to acquire a vein image of an object that has approached the first sensor in the active mode, and a controller configured to perform vein authentication using the vein image acquired through the second sensor, and control the touch screen to display security information allowed to access for a pre-registered user when the vein image corresponds to a vein image of the pre-registered user as a result of the authentication.