Shaped part

Abstract

The invention relates to a shaped part comprising a translucent decorative layer with a front side designed as a visible side and a back side opposite the front side, a functional layer arranged on the back side of the decorative layer, and a carrier arranged on a back side of the shaped part. The invention is characterized in that a functional structure is arranged on or in the functional layer and/or on the back side of the decorative layer, wherein the functional structure is, on the one hand, electrically conductive and, on the other, light-conducting for realizing an illumination function of the shaped part.

Claims

1. Shaped part, comprising a translucent decorative layer with a front side designed as a visible side and a back side opposite the front side, a functional layer arranged on the back side of the decorative layer, wherein the functional layer comprises a transparent or translucent layer, and a carrier arranged on a back side of the shaped part, wherein: a functional structure is arranged on or in the functional layer and/or on the back side of the decorative layer, wherein the functional structure is electrically conductive and at the same time light-conducting for realizing an illumination function of the shaped part; wherein: the shaped part comprises one or more electrical components, wherein the functional structure is configured for connecting the electrical components to an energy source, the shaped part comprises a light source for coupling light into the functional structure, and the functional structure is formed by one or more of a paste, a lacquer, or a paint.

2. Shaped part according to claim 1, wherein: the functional structure is formed by conductive tracks, or that the functional structure is formed by a paste and/or a lacquer and/or a paint.

3. Shaped part according to claim 1, wherein: the functional structure is at least temporarily self-illuminating.

4. Shaped part according to claim 3, wherein: the functional structure is self-illuminating, at least temporarily, by adding additives and/or luminescent admixtures.

5. Shaped part according to claim 1, wherein: the functional structure forms an intended pattern or symbol.

6. Shaped part according to claim 1, wherein: the functional structure is applied to the back side of the decorative layer.

7. Shaped part according to claim 1, wherein: the functional structure is applied to the functional layer or the decorative layer by means of a printing process and/or by means of a spraying process.

8. Shaped part according to claim 1, wherein: the shaped part comprises one or more electrical components, wherein the functional structure is provided for connecting the electrical components to an energy source.

9. Shaped part according to claim 8, wherein: the one or more electrical components are or comprise illumination units and/or heating units and/or sensor units and/or haptic units and/or acoustic units.

10. Shaped part according to claim 1, wherein: the functional layer is designed to be transparent or translucent.

11. Shaped part according to claim 1, wherein: a light-shielding layer is arranged at least in sections on a back side of the functional layer.

12. Shaped part according to claim 1, wherein: a reflective layer is arranged on a front side of the carrier.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The invention is explained in more detail below also with regard to further features and advantages on the basis of the description of exemplary embodiments and with reference to the accompanying schematic drawings. Shown are:

(2) FIG. 1 shows a section of a first shaped part according to the invention, designed as a decorative and/or panel part for the vehicle interior, in a schematic sectional view;

(3) FIG. 2 shows a section of a second shaped part according to the invention, designed as a decorative and/or panel part for the vehicle interior, in a schematic sectional view;

(4) FIG. 3 shows a section of a third shaped part according to the invention, designed as a decorative and/or panel part for the vehicle interior, in a schematic sectional view;

(5) FIG. 4 shows a section of a fourth shaped part according to the invention, designed as a decorative and/or panel part for the vehicle interior, in a schematic sectional view.

(6) FIG. 1 to FIG. 4 in each case shows a shaped part 10, which comprises a translucent decorative layer 11 with a front side 12 designed as a visible side and a back side 13 opposite the front side 12, a functional layer 15 arranged on the back side 13 of the decorative layer 11, and a carrier 14 arranged on a back side 22 of the shaped part.

DETAILED DESCRIPTION

(7) According to the exemplary embodiment according to FIG. 1, a functional structure 17 is arranged on a back side 19 of the functional layer 15, wherein the functional structure 17 is, on the one hand, electrically conductive and, on the other, light-conducting for realizing an illumination function of the shaped part 10. The functional structure 17 can be formed by conductive tracks made of light-conducting wires or by an electrically conductive and light-conducting paste and/or an electrically conductive and light-conducting lacquer and/or an electrically conductive and light-conducting paint. The functional structure 17 is also at least temporarily self-illuminating, e.g., by the addition of additives or luminescent, in particular fluorescent and/or phosphorescent, admixtures. The functional structure 17 is applied to the back side 19 of the functional layer 15 by means of a printing process, e.g., screen printing or digital printing, or by means of a spraying process. In a top view of the visible side of the shaped part 10, the functional structure 17 forms a symbol 21, as shown by way of example in FIG. 4.

(8) The functional layer 15 is designed to be transparent or translucent. A light-shielding lacquer layer 20 is arranged on the back side 19 of the functional layer 15.

(9) The shaped part 10 further comprises a light source 23 on the side of the shaped part 10, wherein light emanating from the light source 23 is coupled into the functional structure 17for example, in such a way that the functional structure 17 itself lights up.

(10) According to the exemplary embodiment according to FIG. 2, the functional structure 17 is arranged on the back side 13 of the decorative layer 11, wherein the functional structure 17 is, on the one hand, electrically conductive and, on the other, light-conducting for realizing an illumination function of the shaped part 10. The functional structure 17 can be formed by conductive tracks made of light-conducting wires or by an electrically conductive and light-conducting paste and/or an electrically conductive and light-conducting lacquer and/or an electrically conductive and light-conducting paint. The functional structure 17 can also be made self-illuminating, at least temporarilyfor example by adding additives or fluorescent admixtures. The functional structure 17 is applied to the back side 13 of the decorative layer 11 by means of a printing process, e.g., screen printing or digital printing, or by means of a spraying process.

(11) The shaped part 10 according to the exemplary embodiment according to FIG. 2 also comprises several electrical components 16, wherein the functional structure 17 is provided for connecting the electrical components 16 to an energy source. The energy source can be arranged on or in the shaped part 10, but is preferably an external energy source. The electrical components 16 are also arranged on the back side 13 of the decorative layer 11 and are at least partially embedded in the functional layer 15. The electrical components 16 according to the exemplary embodiment according to FIG. 2 are illumination units, preferably LED's. However, the electrical components 16 can also be heating units, sensor units, haptic units for emitting a haptic signal when touched, or acoustic units such as loudspeakers.

(12) The functional layer 15 is designed to be transparent or translucent. A reflective layer 25 is arranged on a front side 24 of the carrier 14, wherein the reflective layer 25 reflects light, emanating from the functional structure 17 and/or the electrical components 16 designed as illumination units, in the direction of the visible side of the shaped part 10.

(13) According to the exemplary embodiment according to FIG. 3, the functional structure 17 is arranged in the functional layer 15, wherein the functional structure 17 is, on the one hand, electrically conductive and, on the other, light-conducting for realizing an illumination function of the shaped part 10. The functional structure 17 can be formed by conductive tracks made of light-conducting wires or by an electrically conductive and light-conducting paste. The functional structure 17 can also be made at least temporarily self-illuminating, e.g., by adding additives or luminescent, in particular fluorescent and/or phosphorescent admixtures.

(14) The functional layer 15 is designed to be transparent or translucent, on the one hand, and has a multilayer structure, on the other, wherein the functional layer 15 has two sub-layers 15a, 15b, wherein the functional structure 17 is arranged at an interface 18 between the two sub-layers 15a, 15b. The functional structure 17 is incorporated into the functional layer 15 by applying the functional structure 17 to the respective inner front side or back side of a sub-layer 15a, 15b of the functional layer 15 before the second sub-layer 15a, 15b is added. The functional structure 17 can be applied to the respective sub-layer 15a, 15b by means of a printing processfor example, screen printing or digital printing.

(15) The shaped part 10 according to the exemplary embodiment according to FIG. 3 further comprises several electrical components 16, wherein the functional structure 17 is provided for connecting the electrical components 16 to an energy source. The electrical components 16 are arranged at the interface 18 between the two sub-layers 15a, 15b of the functional layer 15 and are thus also embedded in the functional layer 15. The electrical components 16 according to the exemplary embodiment according to FIG. 2 are illumination units, preferably LED's.

(16) A reflective layer 25 is arranged on the front side 24 of the carrier 14, wherein the reflective layer 25 reflects light, emanating from the functional structure 17 and the electrical components 16, which are designed as illumination units, in the direction of the visible side of the shaped part 10.

(17) FIG. 4 shows a top view of a section of a shaped part 10 designed as a decorative and/or panel part for the vehicle interior. In a top view of the visible side of the shaped part 10, the functional structure 17 forms a symbol 21. FIG. 4 shows an exemplary symbol 21. The symbol 21 can, for example, be one or more functional symbols and/or geometries and/or shapes and/or one or more letters and/or lettering and/or characters and, in the case of decorations, e.g., lines, in particular lines following a shape, and/or other design elements, which are shown on the visible side of the decorative layer 11 of the shaped part 10.

LIST OF REFERENCE SIGNS

(18) 10 Shaped part 11 Decorative layer 12 Front side 13 Back side 14 Carrier 15 Functional layer 15a Sub-layer 15b Sub-layer 16 Electrical component 17 Functional structure 18 Interface 19 Back side (functional layer) 20 Light-shielding layer 21 Symbol 22 Back side (shaped part) 23 Light source 24 Front side (carrier) 25 Reflective layer