US 11,959,608 B2 · Vehicle headlight

Abstract

The disclosure relates to a vehicle headlight (20), for example a motor vehicle headlight, wherein the vehicle headlight comprises a light source assembly (11) and a primary optics (200A), for example a press-molded primary optics, for example a one-piece primary optics (200A), wherein the primary optics (200A) comprises at least one light tunnel (208) and a wedge-shaped light conducting part (209) having at least one light exit surface (209A), for example optically effective light exit surface (209A), wherein the light tunnel (208) comprises at least one light entrance surface (201), for example an optically effective light entrance surface (201), into which light generated by means of the light source assembly (11) can be irradiated, wherein the light tunnel (208) transitions into the light conducting part (209) at a bend (207), and wherein the vehicle headlight comprises a secondary optics (200B) with an optically effective light exit surface (202) for imaging a light exit surface (209A) of the primary optics (200A) and/or of the light conducting part (209) or for imaging the bend (207).

Claims23

Dependent claims

A vehicle headlight comprising:

a light source assembly;
a primary optics, the primary optics comprising at least one light tunnel and a wedge-shaped light conducting part with at least one optically effective light exit surface, wherein the light tunnel comprises at least one light entrance surface, into which light generated by means of the light source assembly can be irradiated, wherein the light tunnel transitions with a bend into the light conducting part, wherein the bend is a transition portion between the light tunnel and the light conducting part that is curved with a radius of curvature of not less than 50 nm and is located in lower region of the light tunnel;
and
a secondary optics with an optically effective light exit surface configured for imaging the bend, wherein the secondary optics comprises an essentially flat light entrance surface, which is tilted by a tilt angle (β) with respect to the light exit surface of the primary optics.

1 more element

Vehicle headlight comprising:

a light source assembly;
primary optics comprising at least one light tunnel comprising a surface at which total reflection occurs and a light conducting part with at least one light exit surface, wherein the light tunnel comprises at least one light entrance surface, into which light generated by means of the light source assembly can be irradiated, wherein the light tunnel transitions with a bend into the light conducting part, wherein the bend is a transition portion between the light tunnel and the light conducting part that is curved with a radius of curvature of not less than 50 nm and is located in lower region of the light tunnel,
a secondary optics with an optically effective light exit surface for imaging a light exit surface of the primary optics, the secondary optics further comprising at least a planar light entrance surface, which is tilted by a tilt angle (β) with respect to the light exit surface of the primary optics, wherein the tilt angle (β) is more than 2° and not more than 7°.

Dependencies are inferred from the claim text.

Vehicle headlight

Life of this patent

Vehicle headlight

Life of this patent

Abstract

Claims23