US 6,471,383 B1 · Headlamp for vehicle

Abstract

There is provided a headlamp for a vehicle, comprising a light source; a first reflector formed of a parabolic reflector and having a focal point at which the light source is positioned; a light guide passage to the backside of the first reflector; a second reflector formed of a parabolic reflector and provided outside thereof corresponding to the light guide passage of the first reflector; a third reflector provided in the vicinity of an optical axis of the first It reflector for converging and transmitting a light from the light source to the vicinity of the light guide passage; and a lens provided in front of the first and second reflectors. The headlamp for a vehicle has an improved luminous flux efficiency to the light source and also has a height of about 30 mm in vertical direction, which is an original design which has not conventionally been implemented.

Claims34

Dependent claims

A headlamp for a vehicle, comprising:

a light source;
a first reflector formed of a parabolic reflector and having a focal point at which the light source is positioned;
a light guide passage for guiding light to the backside of the first reflector, provided at predetermined positions on the right and left sides of the first reflector;
a second reflector formed of parabolic reflectors and provided outside of the first reflector corresponding to the light guide passage on the right and left sides thereof;
a third reflector provided substantially on an optical axis of the first reflector for converging and transmitting a light from the light source to the light guide passage;
and
a lens provided in front of the first and second reflectors in an illuminating direction.

4 more elements

A headlamp for a vehicle, comprising:

a light source;
a first reflector formed of a parabolic reflector which is cut at upper and lower portions thereof and having a focal point at which the light source is positioned, an optical axis thereof being directed to an illuminating direction;
a pair of second reflectors formed of an elliptic type reflector provided above the first reflector so as that the major axis thereof is perpendicular to the optical axis in a horizontal direction, and having a first focal point at which the light source is positioned;
a pair of third reflectors each formed of a parabolic reflector having a focal point at which a second focal point of each of the second reflectors is positioned, and provided at both outsides of the first reflector;
and
a fourth reflector formed of a parabolic reflector having a focal point at which the light source is positioned, an optical axis thereof being directed to the illuminating direction, and provided below the first reflector and said light source.

3 more elements

Dependencies are inferred from the claim text.

Headlamp for vehicle

Life of this patent

Headlamp for vehicle

Life of this patent

Abstract

Claims34