US Patent 10007381 Mobile terminal

A mobile terminal including a light guide plate; a plurality of light sources disposed on at least one side of the light guide plate; a display positioned on a front surface of the light guide plate; and a controller configured to control the display to operate in one of operation states including a first state, in which all of the plurality of light sources are activated such that an entire portion of the display is illuminated, and a second state, in which at least one light source corresponding to a partial portion of the display among the plurality of light sources is selectively activated such that the partial portion of the display is illuminated, perform an operation in accordance with a first touch input applied to the partial portion of the display in the second state, and not perform an operation in accordance with a second touch input applied to a remaining portion excluding the partial portion of the display in the second state.