DE202018100970U1 - molding - Google Patents

Abstract

Molded part (10) comprising
an opaque decorative layer (11) having a front side (12) formed as a visible side and a rear side (13) opposite the front side (12), at least two symbols (29; 30) being provided on the front side (12),
a transparent or translucent carrier (14), with a carrier front side (15) facing the rear side (13) of the decorative layer (11) and a carrier back side (16),
wherein the decorative layer (11) has one or more first light channels (17) for transmitting light from the rear side (13) of the decorative layer (11) to the front side (12) of the decorative layer (11) formed as a visible side, the first light channels (17 extend through the decorative layer (11) and are provided for displaying a first symbol (29) on the front side (12) of the decorative layer (11),
one or more first functional elements (18), wherein each first functional element (18) has a first light element (19), the first light elements (19) for transilluminating the first light channels (17) with a first light color for displaying the first symbol (29 ) are provided on the front side (12) of the decorative layer (11),
a first functional layer (20) with a front side (21) facing the decorative layer (11), wherein the first functional layer (20) is provided on the back of the carrier (16),
wherein the first functional elements (18) are provided on the front side (21) of the first functional layer (20),
wherein the decorative layer (11) has one or more second light channels (22) for transmitting light from the rear side (13) of the decorative layer (11) to the front side (12) of the decorative layer (11) formed as a visible side, wherein the second light channels (22 extend through the decorative layer (11) and are provided for displaying a second symbol (30) on the front side (12) of the decorative layer (11),
one or more second functional elements (23), wherein each second functional element (23) has a second light element (24), the second light elements (24) for transilluminating the second light channels (22) with a second light color for displaying the second symbol (30 ) are provided on the front side (12) of the decorative layer (11), a second functional layer (25), the second functional layer (25) being provided on the rear side (13) of the decorative layer (11),
wherein the second functional elements (23) are provided in or on the second functional layer (25), and wherein the second functional elements (23) are provided on and / or at least partially in the second light channels (22), the second functional elements (23). cover the second light channels (22) of the decorative layer (11) such that the second light channels (22) are sealed off from the light of the first light elements (19) or are sealed off.

Description

The invention relates to a molded part, in particular formed as a molded part decorative part and / or trim part for a vehicle interior

In the vehicle interior numerous decorative and trim parts are installed, such as door panels, console and instrument paneling. The decorative and trim parts include control buttons or their covers.

Particularly in the case of molded parts in motor vehicles, backlit or illuminated function symbols are displayed on the front side of the decorative layer of the molded parts. With such function symbols, there are the requirements to represent different function symbols in different colors. This may mean that first function symbols with a first light color and second function symbols with a second light color should be backlit or illuminated.

The invention has for its object to provide a new molding, in particular a molding that meets the above requirements, at least as far as possible. It is another object of the invention to provide a novel method for producing a molded part, in particular a method for producing a molded part, which meets the aforementioned requirements, at least as far as possible.

This object is achieved by the features of claim 1. Advantageous embodiments and further developments are specified in the respective dependent claims.

The molded part according to the invention, in particular a decorative part and / or trim part designed for a vehicle interior, comprises an opaque decorative layer, with a front side designed as a visible side and a rear side opposite the front side, at least two symbols being provided on the front side.

The molded part further comprises a transparent or translucent carrier, with a front side facing the back of the decorative layer and a carrier back side.

The decorative layer has one or more first light channels for transmitting light from the rear side of the decorative layer to the front side of the decorative layer designed as a visible side, wherein the first light channels extend through the decorative layer and are provided on the front side of the decorative layer for displaying a first symbol.

The molded part further comprises one or more first functional elements, wherein each first functional element has a first light element, wherein the first light elements are provided for transillumination of the first light channels with a first light color for displaying the first symbol on the front side of the decorative layer.

Furthermore, the molded part comprises a first functional layer, in particular a functional film, with a front side facing the decorative layer, wherein the first functional layer is provided on the back of the carrier, wherein the first functional elements are provided on the front side of the first functional layer.

The decorative layer furthermore has one or more second light channels for transmitting light from the rear side of the decorative layer to the front side of the decorative layer designed as a visible side, wherein the second light channels extend through the decorative layer and are provided on the front side of the decorative layer for displaying a second symbol ,

The molded part comprises one or more second functional elements, each second functional element having a second light element, the second light elements being provided for transilluminating the second light channels with a second light color for displaying the second symbol on the front side of the decorative layer.

Furthermore, the molded part comprises a, preferably opaque, second functional layer, wherein the second functional layer is provided on the back of the decorative layer, wherein the second functional elements are provided in or on the second functional layer, and wherein the second functional elements on and / or at least partially in the second light channels are provided, wherein the second functional elements cover the second light channels of the decorative layer such that the second light channels are sealed off from light of the first light elements or are sealed off.

An advantage of the invention is, in particular, that different symbols can be backlit or illuminated in different colors. Furthermore, it is possible with the molding according to the invention, in a very slim design of the molded part close together close symbols of scattered light of the other backlighting.

The decorative layer is preferably a wood veneer. Preferably, the first light elements and / or the second light elements are or comprise LEDs. The carrier is in particular a carrier made of PC and / or SECTION. The first functional layer is preferably a functional film, for example made of PC and / or PES and / or PE.

Two or more icons may represent a common icon area on the front of the decor layer, for example, to present information to a viewer.

The first light color and / or the second light color may, for example, be white or red light.

A development of the invention provides that the first functional layer has conductor tracks, wherein the conductor tracks are provided for contacting the first functional elements. Alternatively or additionally, it may be provided that the second functional layer has conductor tracks, wherein the conductor tracks are provided for contacting the second functional elements. The conductor tracks of the first functional layer and / or the conductor tracks of the second functional layer are preferably printed on the respective functional layer.

An embodiment variant of the invention provides that the first functional layer has a first contact element, in particular a contact lug, for connecting the first functional layer to an energy source. The energy source may be provided on or in the molded part, in particular on the rear side of the molded part. Alternatively, it can also be an external energy source.

According to a particularly preferred and advantageous development of the invention, it is provided that between the first functional layer and the second functional layer at least one second contact element, in particular a metal spring, is provided for contacting the second functional layer with the first functional layer, wherein the second contact element is provided in the carrier, in particular cast or injected, is.

Preferably, the second contact element for connecting the second functional layer is provided with the energy source, wherein the contacting is provided, for example via the first functional layer as an intermediate contact.

According to one embodiment of the invention, the first functional elements and / or the second functional elements are at least partially arranged in or on the carrier, in particular cast or injected.

It can be provided that a, in particular transparent or translucent, protective and / or optical layer is provided on the front side of the decorative layer.

Furthermore, it can be provided that at least a part of the first functional elements and / or at least a part of the second functional elements each have at least one sensor element. The sensor element can be, for example, a proximity or touch sensor, in particular capacitive proximity sensors or resistive systems. The sensor elements are for example intended to realize one or more switching elements for a user.

• - Bereitstellen eines als Dekorschicht vorgesehenen lichtundurchlässigen Dekormaterials,
• - Einbringen eines oder mehrerer erster Lichtkanäle in das Dekormaterial, so dass sich die ersten Lichtkanäle von der als Rückseite der Dekorschicht vorgesehenen Seite des Dekormaterials zu der als Sichtseite vorgesehenen Vorderseite durch das Dekormaterial hindurch erstrecken,
• - Einbringen eines oder mehrerer zweiter Lichtkanäle in das Dekormaterial, so dass sich die zweiten Lichtkanäle von der als Rückseite der Dekorschicht vorgesehenen Seite des Dekormaterials zu der als Sichtseite vorgesehenen Vorderseite durch das Dekormaterial hindurch erstrecken,
• - Vorsehen einer, vorzugsweise blickdichten, zweiten Funktionsschicht an der als Rückseite der Dekorschicht vorgesehenen Seite des Dekormaterials,
• - Vorsehen eines oder mehrerer zweiter Funktionselementen in oder an der zweiten Funktionsschicht, wobei die zweiten Funktionselemente an und/oder zumindest abschnittsweise in den zweiten Lichtkanälen vorgesehen werden, so dass die zweiten Funktionselemente die zweiten Lichtkanäle des als Dekorschicht vorgesehenen Dekormaterials abdecken,
• - Bereitstellen einer ersten Funktionsschicht, wobei ein oder mehrere erste Funktionselemente an einer als Vorderseite vorgesehen Seite der ersten Funktionsschicht vorgesehen werden oder vorgesehen sind,
• - Einlegen oder Einsetzen des Verbunds aus Dekormaterial und zweiter Funktionsschicht mit einem oder mehreren zweiten Funktionselementen in das Herstellungswerkzeug,
• - Einlegen oder Einsetzen der ersten Funktionsschicht mit einem oder mehreren ersten Funktionselementen in das Herstellungswerkzeug derart, dass die Vorderseite der ersten Funktionsschicht der als Rückseite der Dekorschicht vorgesehenen Seite des Dekormaterials zugewandt ist, und wobei der Verbund aus Dekormaterial und zweiter Funktionsschicht mit einem oder mehreren zweiten Funktionselementen zum einen und die erste Funktionsschicht zum anderen voneinander beabstandet sind oder beabstandet werden,
• - Einspritzen oder Eingießen eines transparenten oder transluzenten Trägermaterials zur Bildung des Trägers zwischen den Verbund aus Dekormaterial und zweiter Funktionsschicht mit einem oder mehreren zweiten Funktionselementen zum einen und die erste Funktionsschicht zum anderen, wobei das Trägermaterial den Verbund aus Dekormaterial und zweiter Funktionsschicht mit zweiten Funktionselementen zum einen und die erste Funktionsschicht zum anderen miteinander verbindet,
• - Aushärten des Trägermaterials,
• - Herausnehmen des Formteils aus dem Herstellungswerkzeug.

A method for producing a molded part, in particular a molded part according to the invention, wherein the molded part has an opaque decorative layer with a front side designed as a visible side and a rear side opposite the front side, wherein at least two symbols are provided on the front side, and a transparent or translucent carrier, with a the rear side of the decorative layer facing carrier front side and a carrier back comprises, with a production tool,
can include the steps:

• Providing a light-impermeable decorative material provided as a decorative layer,
• Inserting one or more first light channels into the decorative material so that the first light channels extend from the side of the decorative material provided as the rear side of the decorative layer to the front side provided as the visible side through the decorative material,
• - Introducing one or more second light channels in the decorative material, so that the second light channels extend from the provided as the back of the decorative layer side of the decorative material to the visible side provided by the front side through the decorative material,
• Providing a second, preferably opaque, second functional layer on the side of the decorative material provided as the rear side of the decorative layer,
• Provision of one or more second functional elements in or on the second functional layer, wherein the second functional elements are provided on and / or at least partially in the second light channels, so that the second functional elements cover the second light channels of the decorative material provided as decorative layer,
• Providing a first functional layer, one or more first functional elements being provided or being provided on a side of the first functional layer provided as the front side,
• - Inserting or inserting the composite of decorative material and second functional layer with one or more second functional elements in the production tool,
• Inserting or inserting the first functional layer with one or more first functional elements into the production tool in such a way that the front side of the first functional layer faces the side of the decorative material provided as the rear side of the decorative layer, and wherein the composite of decorative material and second functional layer has one or more second ones Functional elements on the one hand and the first functional layer on the other are spaced from one another or are spaced apart,
• Injecting or pouring in a transparent or translucent carrier material to form the carrier between the composite of decorative material and second functional layer with one or more second functional elements on the one hand and the first functional layer on the other, wherein the carrier material comprises the composite of decorative material and second functional layer with second functional elements for one and the first functional layer to another,
• Hardening of the carrier material,
• - Remove the molding from the production tool.

A particularly advantageous embodiment of the method provides that prior to injecting or pouring the carrier material to form the carrier at least one second contact element for contacting the second functional layer with the first functional layer between the composite of decorative material and second functional layer with one or more second functional elements on the one hand and the first functional layer is provided to the other, wherein the second contact element is then poured or injected in the carrier.

Furthermore, provision may be made for a, in particular transparent or translucent, protective and / or optical layer to be provided on the front side of the decorative layer or on the side of the decorative material provided as the front of the decorative layer, in particular cast on or sprayed on.

It can also be provided that during injection or pouring in of the carrier material for forming the carrier, the first functional elements and / or the second functional elements are embedded at least in sections in or on the carrier.

• 1 in einer schematischen Querschnittsdarstellung einen vergrößerten Ausschnitt ein erstes Ausführungsbeispiel eines erfindungsgemäßen Formteils;
• 2 in einer schematischen Darstellung die Draufsicht auf einen Ausschnitt der Vorderseite der Dekorschicht eines zweiten Ausführungsbeispiels eines erfindungsgemäßen Formteils.

The invention will be explained in more detail below with regard to further features and advantages with reference to the description of embodiments and with reference to the accompanying schematic drawings. Show

• 1 in a schematic cross-sectional view of an enlarged detail of a first embodiment of a molded part according to the invention;
• 2 in a schematic representation of the plan view of a section of the front side of the decorative layer of a second embodiment of a molded part according to the invention.

Corresponding parts and components, even over the various embodiments, are each denoted by the same reference numerals.

The as a molded part 10 trained decor and / or trim part according to 1 includes an opaque decorative layer 11 , with a designed as a visible side front 12 and one of the front 12 opposite back 13 , being at the front 12 two symbols 29 . 30 are provided.

The molding 10 further comprises a transparent or translucent carrier 14 , with one of the back 13 the decorative layer 11 facing carrier front 15 and a vehicle back 16 ,

The decorative layer 11 has several first light channels 17 for light transmission from the back 13 the decorative layer 11 to the front side designed as a visible side 12 the decorative layer 11 on, with the first light channels 17 through the decorative layer 11 extend through and to represent a first symbol 29 , such as the icon in 2 , on the front side 12 the decorative layer 11 are provided.

The molding 10 includes several first functional elements 18 , wherein each first functional element 18 a first light element 19 having, wherein the first light elements 19 for the fluoroscopy of the first light channels 17 with a first light color to represent the first symbol 29 on the front side 12 the decorative layer 11 are provided.

Furthermore, the molded part comprises 10 a trained as a functional film first functional layer 20 with one of the decorative layer 11 facing front 21 , wherein the first functional layer 20 at the back of the vehicle 16 is provided and wherein the first functional elements 18 on the front side 21 the first functional layer 20 are provided.

The decorative layer 11 has several second light channels 22 for light transmission from the back 13 the decorative layer 11 to the front side designed as a visible side 12 the decorative layer 11 on, with the second light channels 22 through the decorative layer 11 extend through and to represent a second symbol 30 , such as the second icon 30 in 2 , on the front side 12 the decorative layer 11 are provided.

The molding 10 further comprises a plurality of second functional elements 23 , wherein every second functional element 23 a second light elements 24 having, wherein the second light elements 24 for the transillumination of the second light channels 22 with a second light color to represent the second symbol 30 on the front side 12 the decorative layer 11 are provided.

In addition, the molding includes 10 an opaque, second functional layer 25 , wherein the second functional layer 25 at the back 13 the decorative layer 11 is provided, wherein the second functional elements 23 in the second functional layer 25 are provided, and wherein the second functional elements 23 at the second light channels 22 are provided, wherein the second functional elements 23 the second light channels 22 the decorative layer 11 cover such that the second light channels 22 towards light of the first light elements 19 are sealed off.

The first functional layer 20 has printed circuit traces, wherein the conductor tracks for contacting the first functional elements 18 are provided. Also the second functional layer 25 has printed circuit traces, which for contacting the second functional elements 23 are provided.

The first functional layer 20 has a contact element designed as a contact element 26 which is used to connect the first functional layer 20 provided with an energy source.

Between the first functional layer 20 and the second functional layer 25 are two second contact element 27 for contacting the second functional layer 25 with the first functional layer 20 intended. The second contact elements 27 are metal springs. The second contact elements 26 are cast or injected in the vehicle. The second contact elements 26 are for connecting the second functional layer 25 provided with the energy source, wherein the contacting via the first functional layer 20 is provided as an intermediate contact.

The first functional elements 18 and the second functional elements 23 are also in the carrier 14 poured or injected. On the front side 12 the decorative layer 11 is a transparent or translucent protective and / or optical layer 28 intended.

The first functional elements 18 and the second functional elements 23 each have a sensor element to realize a switch for a user.

2 shows a schematic representation of the top view of a section of the front 12 the decorative layer 11 a second embodiment of a molded part according to the invention 10 ,

In plan view are two icons 29 . 30 shown, which form a common symbol area. At the first symbol 29 it is the stylized representation of a vehicle seat and the second symbol 30 to the stylized representation of directions of movement or adjustment options of the vehicle seat by means of arrows. The symbols 29 . 30 are formed by the through the decorative layer 11 extending light channels 17 . 22 , wherein the first light channels 17 the first symbol 29 on the front side 12 the decorative layer 11 form and the second light channels 22 the second symbol 30 on the front side 12 the decorative layer 11 form. Especially the symbols occur 29 . 30 characterized in that the light channels 17 . 20 by means of the light elements 19 . 24 be illuminated. This is how the first symbol appears 29 by means of the illumination by the first light element 19 with a first, white light color in just this white light color, whereas the second symbol by means of the illumination by the second light element 24 appears in red with a second, red light color.

LIST OF REFERENCE NUMBERS

10

molding

11

decorative layer

12

front

13

back

14

carrier

15

Vehicle front

16

Vehicle Back

17

first light channel

18

first functional elements

19

first light element

20

first functional layer

21

front

22

second light channel

23

second functional elements

24

second light element

25

second functional layer

26

first contact element

27

second contact element

28

Protective and / or optical layer

29

first symbol

30

second symbol

Claims (7)

Molded part (10) comprising an opaque decorative layer (11) having a front side (12) formed as a visible side and a rear side (13) opposite the front side (12), at least two symbols (29; 30) being provided on the front side (12), a transparent or translucent carrier (14), with a carrier front side (15) facing the rear side (13) of the decorative layer (11) and a carrier back side (16), wherein the decorative layer (11) has one or more first light channels (17) for transmitting light from the rear side (13) of the decorative layer (11) to the front side (12) of the decorative layer (11) formed as a visible side, the first light channels (17 extend through the decorative layer (11) and are provided for displaying a first symbol (29) on the front side (12) of the decorative layer (11), one or more first functional elements (18), wherein each first functional element (18) has a first light element (19), the first light elements (19) for transilluminating the first light channels (17) with a first light color for displaying the first symbol (29 ) are provided on the front side (12) of the decorative layer (11), a first functional layer (20) with a front side (21) facing the decorative layer (11), wherein the first functional layer (20) is provided on the back of the carrier (16), wherein the first functional elements (18) are provided on the front side (21) of the first functional layer (20), wherein the decorative layer (11) has one or more second light channels (22) for transmitting light from the rear side (13) of the decorative layer (11) to the front side (12) of the decorative layer (11) formed as a visible side, wherein the second light channels (22 extend through the decorative layer (11) and are provided for displaying a second symbol (30) on the front side (12) of the decorative layer (11), one or more second functional elements (23), wherein each second functional element (23) has a second light element (24), the second light elements (24) for transilluminating the second light channels (22) with a second light color for displaying the second symbol (30 ) are provided on the front side (12) of the decorative layer (11), a second functional layer (25), the second functional layer (25) being provided on the rear side (13) of the decorative layer (11), wherein the second functional elements (23) are provided in or on the second functional layer (25), and wherein the second functional elements (23) are provided on and / or at least partially in the second light channels (22), the second functional elements (23). cover the second light channels (22) of the decorative layer (11) such that the second light channels (22) are sealed off from the light of the first light elements (19) or are sealed off. Molding after Claim 1 , characterized in that the first functional layer (20) comprises conductor tracks, wherein the conductor tracks are provided for contacting the first functional elements (18), and / or that the second functional layer (25) has conductor tracks, wherein the conductor tracks for contacting the second functional elements ( 23) are provided. Molding after Claim 1 or 2 , characterized in that the first functional layer (20) comprises a first contact element (26) for connecting the first functional layer (20) to an energy source. Molding according to one of the preceding claims, characterized in that between the first functional layer (20) and the second functional layer (25) at least one second contact element (27) for contacting the second functional layer (25) with the first functional layer (20) is provided wherein the second contact element (26) is provided in the carrier (14). Molding according to one of the preceding claims, characterized in that the first functional elements (18) and / or the second functional elements (23) are arranged at least in sections in or on the carrier (14). Molding according to one of the preceding claims, characterized in that a protective and / or optical layer (28) is provided on the front side (12) of the decorative layer (11). Shaped part according to one of the preceding claims, characterized in that that at least a part of the first functional elements (18) and / or at least a part of the second functional elements (23) each have at least one sensor element.

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