Lighting device for a motor vehicle

Patent metadata

Field	Value
Publication number	US-10458619-B2
Application number	US-201715480444-A
Country	US
Kind code	B2
Filing date	Apr 6, 2017
Priority date	Apr 6, 2016
Publication date	Oct 29, 2019
Grant date	Oct 29, 2019

Abstract

A lighting device for a motor vehicle including a housing covered by a lens in a light main radiation direction, and at least one supporting plate for multiple illuminants. Partially different light functions are assigned to the illuminants. A recess, which is formed by the housing and which forms at least part of the function of a reflector, is assigned to one of the light functions. The recess has a volume which is multiple times smaller compared to the housing volume, and only such a part of the supporting plate, including at least one illuminant, projects into the recess which is multiple times smaller than a remaining part of the supporting plate, which supports the illuminants for the other light functions. Thus, it is possible to implement the additional light function of a side marker light using the compact lighting device, which has few components and is thus cost-effective.

First claim

What is claimed is:

1. A lighting device for a motor vehicle, the lighting device comprising:
a housing that is covered by a lens in a light main radiation direction;
at least one supporting plate for multiple illuminants, different light functions being assigned to the illuminants; and
a recess formed in a wall of the housing that at least partially provides a function of a reflector and is assigned to one of the light functions, the recess having a volume that is multiple times smaller compared to a remainder of the housing volume, and only a part of the supporting plate including at least one of the illuminants projects into the recess, the part of the supporting plate being multiple times smaller than a remaining part of the supporting plate that supports the illuminants for the other light functions,
wherein the at least one supporting plate and the part of the supporting plate that projects into the recess together form a single flat plate that defines a single plane, and
wherein a screen is arranged between the housing and the lens, the screen having an opening at least in an area of the recess.

2. The lighting device according to claim 1 , wherein the supporting plate has a crescent-shaped or triangular contour, including a wider end and a narrower or tapered end, and wherein the part of the supporting plate projecting into the recess has the narrower or tapered end of the supporting plate.

3. The lighting device according to claim 1 , wherein the supporting plate is oriented horizontally in a mounting position of the lighting device, and wherein the part of the supporting plate that projects into the recess supports, on an underside thereof, the at least one of the illuminants for the one of the light functions.

4. The lighting device according to claim 3 , wherein the part of the supporting plate that projects into the recess does not project over an edge of the recess, viewed in the light main radiation direction of the at least one of the illuminants.

5. The lighting device according to claim 1 , wherein the lens is provided with internally disposed optics in an area of the opening of the screen.

6. The lighting device according to claim 5 , wherein an intermediate lens is disposed between the screen and the housing, at least in areas.

7. A motor vehicle comprising at least one lighting device according to claim 1 .

8. The lighting device according to claim 5 , wherein the housing is divided into an upper area and a lower area by the supporting plate, wherein a reflector for a first light function is formed by the housing in the upper area and a reflector for a second light function is formed by the housing in the lower area, and wherein a separate reflector for a third light function is arranged in the upper area, the separate reflector including a wall running substantially parallel to the supporting plate and the wall of the separate reflector having an opening, the opening of the wall of the separate reflector being disposed above at least one of the illuminants assigned to the third light function.

9. The lighting device according to claim 6 , wherein the intermediate lens is provided with internally disposed optics.

10. The lighting device according to claim 8 , wherein an intermediate lens is disposed between the lens and the housing, and wherein one end of the separate reflector and one end of the wall of the separate reflector are directly connected to the intermediate lens.

11. A lighting device for a motor vehicle, the lighting device comprising:
a housing that is covered by a lens in a light main radiation direction;
at least one supporting plate for multiple illuminants, different light functions being assigned to the illuminants; and
a recess formed in a wall of the housing that at least partially provides a function of a reflector and is assigned to one of the light functions, the recess having a volume that is multiple times smaller compared to a remainder of the housing volume, and only a part of the supporting plate including at least one of the illuminants projects into the recess, the part of the supporting plate being multiple times smaller than a remaining part of the supporting plate that supports the illuminants for the other light functions,
wherein the at least one supporting plate and the part of the supporting plate that projects into the recess together form a single flat plate that defines a single plane, and
wherein the housing is divided into an upper area and a lower area by the supporting plate, wherein a reflector for a first light function is formed by the housing in the upper area and a reflector for a second light function is formed by the housing in the lower area, and wherein a separate reflector for a third light function is arranged in the upper area, the separate reflector including a wall running substantially parallel to the supporting plate and the wall of the separate reflector having an opening, the opening of the wall of the separate reflector being disposed above at least one of the illuminants assigned to the third light function.

12. The lighting device according to claim 11 , wherein the wall running substantially parallel to the supporting plate is elongated behind the separate reflector counter to a light radiation direction of the third light function, and wherein the elongation ends with an upwardly directed folded edge, and wherein at least one of the illuminants assigned to the first light function is disposed behind the folded edge on an upper side of the supporting plate.

Assignees

• Volkswagen Ag

Inventors

• Huebner Torsten
• Koether Gunnar

Classifications

• B60Q1/32

  for indicating vehicle sides {, e.g. clearance lights} · CPC title

• F21W2103/00

  Exterior vehicle lighting devices for signalling purposes · CPC title

• F21S43/50

  characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers · CPC title

• B60Q1/0058

  Stacked, i.e. one lamp located behind the other in the optical axis direction · CPC title

• F21S43/19

  Attachment of light sources or lamp holders · CPC title