US Patent 10120992 Mobile terminal and method for controlling the same

A mobile terminal including a main body; a receiver disposed on the main body; an infrared unit disposed on the main body at a first distance from the receiver in a first direction and configured to output infrared rays; an iris recognition sensor disposed on the main body at a second distance from the receiver in a second direction opposite the first direction and configured to receive infrared rays reflected from a subject; and a low power image sensor disposed on the main body at a third distance from the receiver in the second direction and having a focal point matching a focal point of the iris recognition sensor, wherein the third distance is greater than the second distance.