| 摘要 |
A vehicular headlamp 1 including a projection lens 16 installed on the optical axis Ax extending in the longitudinal direction of the vehicle a light source 12 a provided behind the rear side focal point F of the projection lens 16 , and a reflector 14 that reflects direct light from the light source 12 a forward and toward the optical axis Ax; and in this headlamp, an additional lens 30 , which deflects and directs light from the light source 12 a to the front is provided around the outer perimeter of the projection lens 16 , and grooves 33 , which have side faces that direct at least a part of the incident light toward the side of the vehicle, are formed in the outer surface of the additional lens 30.
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