LAMP SYSTEM FOR VEHICLE

A lamp system for a vehicle includes a sensor unit including at least one of a camera sensor or a distance detection sensor, the system including: a light source unit including at least one lens and at least one light source; a piezoelectric element positioned on a surface of the lens and generating a vibration based on an electrical acoustic signal; and a control unit controlling the piezoelectric element, wherein the control unit controls the piezoelectric element by varying the electrical acoustic signal based on sensing information received from the sensor unit.