Lighting module giving a light beam with cut-off line for a motor vehicle headlight, and a headlight comprising such a module
AssigneeValeo Vision
InventorPierre Albou
Life of this patent
Estimating the term…
Abstract
A lighting module able to give a light beam with cut-off line for a motor vehicle headlight, comprising a light source, a reflector, a dioptre serving as an exit lens or an exit lens, and a reflective folder. The light source is combined with a collimator in order to give a beam that can be assimilated to a parallel beam, substantially orthogonal to an exit plane of the collimator. The reflector and the dioptre or lens may be combined in a single piece made from transparent material, and the surface of the reflector and that of the folder means work in total reflection according to an air/transparent material interface.
Claims26
A lighting module able to give a light beam with cut-off line for a motor vehicle headlight, comprising:
- a light source;
- a reflector;
- a dioptre serving as an exit lens, or an exit lens;
- and a reflective folder means;
- wherein:
- the light source is combined with a collimator in order to give a beam that can be assimilated to a parallel beam, substantially orthogonal to an exit plane of the collimator;
- the reflector receives the said exit beam from the collimator in order to make it substantially converge towards a focus site situated at the edge of the folder means;
- the dioptre or lens vertically diverts the light rays coming from the reflector and/or folder means so as to form the cut-off line;
- the reflector and the dioptre or lens are combined in a single piece made from transparent material, and the surface of the reflector and that of the folder means work in total reflection according to an interface between air and transparent material.
A ighting module for use on a vehicle, said lighting module comprising:
- a collimator for receiving light from a light source and for collimating said light in order to provide an exit beam that is generally orthogonal to an exit plane of said collimator;
- a reflector for receiving said exit beam and for reflecting said exit beam to provide a reflector beam of light rays toward a focus site;
- a dioptre or lens for receiving said reflector beam of light rays and diverting them to provide a cut-off line;
- said reflector and dioptre or lens being a one-piece construction made from transparent material.
Dependencies are inferred from the claim text.