A light source valve 2 is disposed on a non-effective reflecting surface 13 of a reflector 1, and a movable shade 3 is disposed around the light source valve 2 such that the movable shade 3 can rotate between a first position and a second position. The non-effective reflecting surface 13 of the reflector 1 is provided with a first reflecting surface 11 for forming a low bend beam light distribution pattern LBP and a second reflecting surface for forming a high bend beam light distribution pattern HBP.