Patent ID: 7766524

Claim:
A vehicle headlamp comprising: a lamp body; a plurality of light source units, each light source unit including a light source and an optical member for irradiating light from the light source along an optical axis; and a support member that is movable with respect to the lamp body and supports the plurality of light source units, wherein a light distribution pattern for a low beam is formed on a front side of a vehicle by overlapping lights from the respective light source units, wherein at least one of the plurality of light source units is an optical axis variable light source unit supported by the support member so as to be able to change the optical axis independently from the other optical axes of the other light source units, and wherein the optical axis variable light source unit, including the corresponding light source and the corresponding optical member, is movable with respect to the support member by an actuator disposed on the support member, wherein the vehicle headlamp further comprises a switch ON/OFF controller, wherein the switch ON/OFF controller is configured to switch ON/OFF said optical axis variable light source unit independently from said the other light source units, and wherein said optical axis variable light source unit is constituted to be able to increase or reduce an outputted light amount.