Light module and headlight provided with such a module

Patent metadata

Field	Value
Publication number	US-10222018-B2
Application number	US-201514963544-A
Country	US
Kind code	B2
Filing date	Dec 9, 2015
Priority date	Dec 10, 2014
Publication date	Mar 5, 2019
Grant date	Mar 5, 2019

Abstract

A light module for a motor vehicle headlight comprising first and second light radiation sources suitable for emitting light radiations to a wavelength conversion device which is likely to re-emit a light radiation to an optical projection system to produce a light beam, wherein the module comprises a single wavelength conversion device which is common to the radiations of the first and second sources, and the first light radiation source comprises at least one first light source suitable for emitting a first light beam which cooperates with a first scanning system, the first scanning system being provided with a means for deflecting the light rays emitted by the first light source and configured to scan the conversion device with the first light beam in a first direction.

First claim

What is claimed is:

1. A light module for a motor vehicle headlight comprising first and second light radiation sources suitable for emitting light radiations (L 1 , L 2 ) to a wavelength conversion device which is likely to re-emit a light radiation to an optical projection system to produce a light beam wherein the light module comprises a single wavelength conversion device which is common to light radiations (L 1 , L 2 ) of the first and second light radiation sources,
and the first light radiation source comprises
at least one first light source suitable for emitting a first light beam which cooperates with a first scanning, system, the first scanning system being movable along a single axis, wherein the first scanning system deflects light rays emitted by the first light radiation source and configured to scan the single wavelength conversion device with the first light beam in a unique first direction, and the second light radiation source comprises at least one second light source configured to emit a second light beam directly into a reflector.

2. The light module according to claim 1 , wherein the second light radiation source is static or quasi static.

3. The light module according to claim 1 , wherein the second light radiation source cooperates with a second scanning system in a single direction.

4. The light module according to claim 1 , wherein the second light radiation source cooperates with a second scanning system in two directions.

5. The light module according to any claim 4 , wherein the second scanning system is provided with one or two mobile micro-mirrors configured to scan the single wavelength conversion device with the second light beam in a first direction and/or a second direction substantially at right angles to the first direction.

6. The light module according to claim 1 , wherein the first light radiation source is suitable for emitting the light radiation (L 1 ) onto a first zone of the single wavelength conversion device, and the second light radiation source is suitable for emitting the light radiation (L 2 ) onto a second zone of the single wavelength conversion device, the first zone and the second zone overlapping only over a strip of the single wavelength conversion device.

7. The light module according to claim 1 , wherein the first and second light radiation sources are each suitable for emitting the light radiation (L 1 , L 2 ) onto a same zone of the signal wavelength conversion device, notably onto all of a surface of the single wavelength conversion device.

8. The light module according to claim 1 , wherein the first and second radiation sources are arranged on either side of the single wavelength conversion device.

9. The light module according to claim 8 , wherein the light module comprises a support provided with a central wall bearing the single wavelength conversion device, and two lateral walls, one bearing the first light radiation source and the other bearing the second light radiation source.

10. The light module according to claim 1 , wherein the single wavelength conversion device is arranged in an axis of the optical projection system.

11. A motor vehicle headlight comprising the light module according to claim 1 .

12. The light module according to claim 2 , wherein the first light radiation source is suitable for emitting the light radiation (L 1 ) onto a first zone of the single wavelength conversion device, and the second light radiation source is suitable for emitting the light radiation (L 2 ) onto a second zone of the single wavelength conversion device, the first zone and the second zone overlapping only over a strip of the single wavelength conversion device.

13. The light module according to claim 3 , wherein the first light radiation source is suitable for emitting the light radiation (L 1 ) onto a first zone of the single wavelength conversion device, and the second light radiation source is suitable for emitting the light radiation (L 2 ) onto a second zone of the single wavelength conversion device, the first zone and the second zone overlapping, only over a strip of the single wavelength conversion device.

14. The light module according to claim 4 , wherein the first light radiation source is suitable for emitting the light radiation (L 1 ) onto a first zone of the single wavelength conversion device, and the second light radiation source is suitable for emitting the light radiation (L 2 ) onto a second zone of the single wavelength conversion device, the first zone and the second zone overlapping only over a strip of the single wavelength conversion device.

15. The light module according to claim 2 , wherein the first and second light radiation sources are each suitable for emitting the light radiation (L 1 , L 2 ) onto a same zone of the single wavelength conversion device, notably onto all of a surface of the single wavelength conversion device.

16. The light module according to claim 3 , wherein the first and second light radiation sources are each suitable for emitting the light radiation (L 1 , L 2 ) onto a same zone of the single wavelength conversion device, notably onto all of a surface of the single wavelength conversion device.

17. The light module according to claim 4 , wherein the first and second light radiation sources are each suitable for emitting a light radiation (L 1 , L 2 ) onto a same zone of the single wavelength conversion device, notably onto all of a surface of the single wavelength conversion device.

18. The light module according to claim 5 , wherein the first and second light radiation sources are each suitable for emitting a light radiation (L 1 , L 2 ) onto a same zone of the single wavelength conversion device, notably onto all of a surface of the single wavelength conversion device.

19. The light module according to claim 2 , wherein the first and second radiation sources are arranged on either side of the single wavelength conversion device.

20. The light module according to claim 2 , wherein the single wavelength conversion device is arranged in an axis of the optical projection system.

Assignees

• Valeo Vision

Inventors

• Boinet Loic

Classifications

• F21S41/176

  Light sources where the light is generated by photoluminescent material spaced from a primary light generating element · CPC title

• F21W2102/00

  Exterior vehicle lighting devices for illuminating purposes · CPC title

• F21S41/657

  by moving light sources · CPC title

• F21V19/00

  Fastening of light sources or lamp holders (fastening electric light source solely by the coupling device H01R33/00 {; special means for attaching candle to candle holder F21V35/003}) · CPC title

• F21S41/663

  by switching light sources (by switching incandescent light sources F21S41/162) · CPC title