Illuminated decorative part

Patent metadata

Field	Value
Publication number	US-10696220-B2
Application number	US-201716324342-A
Country	US
Kind code	B2
Filing date	Jul 31, 2017
Priority date	Aug 9, 2016
Publication date	Jun 30, 2020
Grant date	Jun 30, 2020

Abstract

An illuminated decorative part includes a flat visible side facing an observer and an illumination region behind the visible side as viewed by the observer, which has multiple discrete light sources. At least partially transparent optical elements that influence the light are arranged between the visible side and the illumination region. The optical elements include at least one flat scattering element. The decorative part includes light guides for guiding the light orthogonally to the surface of the visible side arranged between the scattering element and at least one—but not all—of the light sources.

First claim

The invention claimed is:

1. An illuminated decorative part comprising:
a flat visible side facing an observer;
multiple discrete light sources arranged in an illumination region behind the flat visible side as viewed by the observer;
a flat scattering element, which is partially transparent, configured to influence light, and arranged between the flat visible side and the illumination region;
light guides configured for guiding the light in a direction orthogonally to a surface of the flat visible side are arranged between the at least one flat scattering element and at least one, but not all, of the multiple discrete light sources, wherein the light guides are in contact with a first side of the flat scattering element; and
a decorative layer sprayed on a second side of the flat scattering element, wherein the first side of the flat scattering element is opposite of the second side of the flat scattering element, wherein the decorative layer is tinted so that the decorative layer is translucent only when the multiple discrete light sources are switched on and so that the decorative layer is not translucent when the multiple discrete light sources are switched off.

2. The illuminated decorative part of claim 1 , wherein there is a space between the multiple discrete light sources and the flat scattering element in the direction orthogonal to the surface of the flat visible side, wherein the space in regions in which the light guides are arranged is smaller than in regions of the flat scattering element without the light guides.

3. The illuminated decorative part of claim 1 , wherein the light guides are configured to not scatter light.

4. The illuminated decorative part of claim 1 , wherein the light guides have a non-transparent mask over at least part of a surface on edges of the light guides that run perpendicular to the surface of the flat visible side.

5. The illuminated decorative part of claim 1 , wherein the flat scattering element is arranged over an entirety of a rear surface of the flat visible side.

6. The illuminated decorative part of claim 1 , wherein the decorative layer is tinted glass.

7. An illuminated decorative part comprising:
a flat visible side facing an observer;
multiple discrete light sources arranged in an illumination region behind the flat visible side as viewed by the observer;
a flat scattering element, which is partially transparent, configured to influence light, and arranged between the flat visible side and the illumination region;
light guides configured for guiding the light in a direction orthogonally to a surface of the flat visible side are arranged between the at least one flat scattering element and at least one, but not all, of the multiple discrete light sources, wherein the light guides are in contact with a first side of the flat scattering element;
a semi-transparent intermediate layer arranged on a second side the flat scattering element, wherein the semi-transparent intermediate layer is a film, and wherein the first side of the flat scattering element is opposite of the second side of the flat scattering element, and wherein the semi-transparency of the semi-transparent intermediate layer produces a black panel effect when the multiple discrete light sources are turned off;
a decorative layer arranged on the semi-transparent intermediate layer.

8. The illuminated decorative part of claim 1 , wherein the multiple discrete light sources are a field of light-emitting diodes arranged on a support element.

9. A vehicle, comprising:
an interior, which includes a dashboard on which is mounted an illuminated decorative part, which comprises
a flat visible side facing an observer;
multiple discrete light sources arranged in an illumination region behind the flat visible side as viewed by the observer;
a flat scattering element, which is partially transparent, configured to influence light, and arranged between the flat visible side and the illumination region;
light guides configured for guiding the light in a direction orthogonally to a surface of the flat visible side are arranged between the at least one flat scattering element and at least one, but not all, of the multiple discrete light sources, wherein the light guides are in contact with a first side the flat scattering element; and
a decorative layer sprayed on a second side the flat scattering element, wherein the first side of the flat scattering element is opposite of the second side of the flat scattering element, wherein the decorative layer is tinted so that the decorative layer is translucent only when the multiple discrete light sources are switched on and so that the decorative layer is not translucent when the multiple discrete light sources are switched off,
wherein the illuminated decorative part is configured to provide ambient interior lighting of the vehicle interior.

Assignees

• Daimler Ag

Inventors

• Betz Christian
• Betz Daniel
• Borowski Martin
• Moser Kevin

Classifications

• B60R13/0256 Primary

  Dashboard liners · CPC title

• B60Q3/54

  Lighting devices embedded in interior trim, e.g. in roof liners · CPC title

• B60Q2900/40

  Several lamps activated in sequence, e.g. sweep effect, progressive activation · CPC title

• B60Q3/78

  for generating luminous strips, e.g. for marking trim component edges · CPC title

• B60Q3/64

  for a single lighting device · CPC title