In the case of a smart watch, the sensor 110 may be disposed on a front surface of the smart watch to capture an image of a body of a user wearing the smart watch. For example, the smart watch may capture a vein image of the back or the palm of the hand opposite of the hand wearing the smart watch. In addition, the smart watch may capture an iris image of the user by using the sensor 110 disposed on the front surface thereof to perform iris authentication.
Two light sources 111 and one camera 112 are described with reference to
The wearable device according to one or more exemplary embodiments may provide a function and an application suitable for the user wearing the wearable device.
The wearable device according to one or more exemplary embodiments may grant authority to the user through vein authentication.