Patent ID: 7461953

Claim:
A vehicle headlamp comprising: a light source bulb; and a reflector provided with a reflection surface that irradiates the light from the light source bulb forward, wherein the light source bulb includes: an actual light source that is arranged in a glass tube at a front of a center of the glass tube and emits light, no actual light source being arranged in the glass tube at a rear of the center of the glass tube, wherein the glass tube has a spherical shape; and a virtual, secondary light source formed at a rear of the center of the glass tube by reflection and collection of the light from the actual light source by the glass tube, the glass tube being configured to provide the secondary light source, and the reflection surface is configured to irradiate the light from the virtual, secondary light source downward of a predetermined cut-off line; the predetermined cut-off line is formed as an upper extent of an image of the actual light source reflected by the reflection surface; the reflection surface includes an upper area provided above the light source bulb, the upper area configured such that an entire image of the virtual, secondary light source reflected by the upper area is projected at or below the predetermined cut-off line, and an upper extent of the image of the virtual, secondary light source is irradiated along the predetermined cut-off line.