EP2419297A1 - Élément de décor et son procédé de fabrication et son procédé de commande - Google Patents

Élément de décor et son procédé de fabrication et son procédé de commande

Info

Publication number
EP2419297A1
EP2419297A1 EP10703819A EP10703819A EP2419297A1 EP 2419297 A1 EP2419297 A1 EP 2419297A1 EP 10703819 A EP10703819 A EP 10703819A EP 10703819 A EP10703819 A EP 10703819A EP 2419297 A1 EP2419297 A1 EP 2419297A1
Authority
EP
European Patent Office
Prior art keywords
layer
decorative
decorative element
light source
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10703819A
Other languages
German (de)
English (en)
Inventor
Steffen Breunig
Lutz Schmittat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
Original Assignee
Daimler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daimler AG filed Critical Daimler AG
Publication of EP2419297A1 publication Critical patent/EP2419297A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/50—Mounting arrangements
    • B60Q3/54—Lighting devices embedded in interior trim, e.g. in roof liners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C45/1643—Making multilayered or multicoloured articles having a "sandwich" structure from at least three different materials or with at least four layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1671—Making multilayered or multicoloured articles with an insert
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
    • B60Q3/14—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting through the surface to be illuminated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
    • B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14688—Coating articles provided with a decoration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B60R2013/0281—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners made of a plurality of visible parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B60R2013/0287—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners integrating other functions or accessories

Definitions

  • the invention relates to a decorative element, in particular for an interior trim part of a motor vehicle according to the preamble of patent claim 1, a method for producing such a decorative element and a method for driving such a decorative element.
  • DE 10 2004 060 810 A1 discloses such a decorative element, in which a decorative film is back-injected with a transparent plastic. This embodiment allows the backlighting of the decorative element by a light source or the use of the decorative element as a cover for a headlight or as part of a disc.
  • the present invention is therefore based on the object, a decorative element of the type mentioned in such a way that an increased creative freedom is ensured in its use.
  • the invention is further based on the object to provide a method for producing such a decorative element.
  • a decorative element having the features of patent claim 1 is designed in particular for an interior trim part of a motor vehicle and has an at least partially transparent decorative film, which is applied to a flat carrier element.
  • a first layer of a transparent plastic is arranged between the carrier element and the decorative film.
  • a second layer of a further plastic is provided between the carrier element and the first layer. The provision of a second layer of plastic in layer order behind the transparent plastic layer allows further modulation of the optical properties of the decorative element.
  • the transparent plastic layer can be provided with light-guiding properties, so that a large number of optical effects can be achieved, regardless of the lighting conditions. Even without an active lighting of the decorative element, for example, a three-dimensional depth effect can be achieved, which gives the decorative element a particularly high-quality appearance.
  • light from a light source can be coupled into the first layer.
  • the decorative element does not have to be backlit, as known from the prior art decorative elements, as obtained by the second plastic layer, the transparent plastic layer an optical waveguide-like function. It is also possible, for example, to distribute laterally coupled light homogeneously over the decorative element by means of surface lines. This allows particularly space-saving applications of the decorative element in conjunction with a laterally arranged light source. Of course, such decorative elements can also be backlit in a known manner.
  • the light source has at least two different, selectable emission spectra.
  • additional optical effects can be achieved, which can satisfy either purely aesthetic aspects or the decorative element can also give additional functions as display elements in response to an operating state of a device associated with it.
  • the first layer has at least one outcoupling element for coupling out light in a direction of emission pointing substantially in the direction of a surface normal of the decorative film.
  • This allows light, which is coupled either laterally by a light source or in the form of ambient light through the Penetration of the decorative film enters the first layer, selectively decoupled from the first layer.
  • the first layer particularly preferably has a plurality of outcoupling elements, so that light can be variably coupled out of the first layer depending on the location.
  • the decoupling elements are preferably formed by thickening or indentations of the first layer. The brightness distribution over the first layer thus results only on the basis of its geometrical design. So there are no additional elements necessary, which would have to be grown in the form of separate components to the decorative element. Thus, the production of such a decorative element is simplified and designed particularly inexpensive.
  • a structure layer with a surface texture is provided in layer sequence behind the first layer-that is, on the side of the first layer which faces away from the decorative film.
  • a further decorative film is provided, which is connected directly to the first decorative film.
  • This also makes possible optical effects which can not be realized with a single decorative film, for example the superimposition of different symbols, or else the formation of interference effects or spatially effective designs.
  • the decorative films are preferably printed on the side facing the first layer and / or on the side facing away from the first layer.
  • a direct pressure on the decorative films can be realized on manufacturing technology simplest way a variety of decorations.
  • Such decorative elements are designed in particular for use for an interior trim of a motor vehicle.
  • the fields of application of such decorative elements are not limited to the automotive industry.
  • the invention further relates to a method for producing a decorative element for an interior trim of a motor vehicle, wherein initially provided a decorative film and Thermoforming is reshaped.
  • a first layer of an at least partially transparent plastic is applied to the decorative film by injection molding.
  • a carrier part of the inner lining is also applied to the second layer by an injection molding process.
  • the injection molding of all plastic layers of the decorative element eliminates the need to provide further connecting means such as adhesion promoters or adhesives. This results in a simple to produce and at the same time particularly durable decorative element.
  • multi-component injection molding tools such a decorative element can ideally be produced in a single injection molding tool, without requiring removal of an intermediate product from the mold and its transfer to another tool. The method is thus particularly fast and therefore cost-effective.
  • the invention therefore also relates to a method for driving an illuminated decorative element for an interior lining of a motor vehicle, which has an at least partially transparent decorative film, behind which an at least partially transparent layer of a plastic is arranged, in which light can be coupled via a light source.
  • This layer also has at least one coupling-out element for coupling out light from the layer in a direction of emission directed substantially in the direction of a surface-normal decorative film.
  • Essential features of the method according to the invention is the coupling of the decorative element with a driver assistance system, so that as a function of information transmitted by this driver assistance system, an emission characteristic of the light source is changed.
  • the inventive method can thus the driver of the motor vehicle in a particularly distraction-poor manner additional information concerning the current driving state of the vehicle, are transmitted.
  • a single decorative element can thus convey a multiplicity of information, which can be distinguished, for example, by color coding, using the method according to the invention. This allows for a special simple and distraction-poor design of a car cockpit, which allows the driver an optimal focus on the current driving situation.
  • Fig. 1 is a perspective view of an embodiment of a decorative element according to the invention
  • Fig. 2 is a perspective view of an alternative embodiment of a decorative element according to the invention.
  • Fig. 3 is a perspective view of another alternative
  • Fig. 5 is a detail view of the transition region between the decorative element and
  • Fig. 6 is a cutaway perspective view of a further alternative
  • Fig. 7 is a plan view of another embodiment of a decorative element according to the invention.
  • Fig. 8 is a cutaway perspective view of another
  • Fig. 10 is a cutaway perspective view of another
  • FIG. 11 is a cutaway perspective view of another
  • Fig. 12 is a plan view of another embodiment of a decorative element according to the invention with a structural material behind the transparent plastic layer
  • Fig. 13 is a cutaway perspective view of another
  • Fig. 14A) 1 B) is a plan view of a further embodiment of a decorative element according to the invention with additional display function
  • An entire decorative element designated 10 comprises a foil 12, which is back-injected with a transparent plastic layer 14.
  • a further non-transparent plastic layer 16 is molded on the side facing away from the decorative film of the transparent plastic layer 14.
  • the transparent plastic layer has a contour, wherein the transparent plastic layer 14 is thickened into a partial region 18.
  • the controlled execution of the transparent plastic layer 14 results in the plan view of the decorative element 10, a decorative structure 20, which has a three-dimensional depth effect.
  • light can be coupled into the transparent plastic layer 14 in the direction of the arrows 22, that is to say laterally. This passes on the light in the manner of an optical waveguide by surface reflection on.
  • this acts as a decoupling element, so that light in the region of the decorative structure 20 is coupled out of the transparent plastic layer 14 in the direction of the arrow 24. The light therefore emerges essentially in the direction of a surface normal on the surface of the decorative film 12.
  • Different types or types of light sources can be used.
  • it can be provided to use a light source with controllable illumination intensity.
  • individual lighting elements can be provided to illuminate the illuminated area to different, or to illuminate the individual areas individually, partially or together. These are in particular individually controllable LEDs, possibly also possible in different colors.
  • the intensity of the light can also be achieved via the dimensioning of the light guide, for example in notch shape, notch depth or - large.
  • the film 12 is printed on each driver and / or back with a lettering 26, which in turn can be backlit by coupled by a light source 28 in the transparent plastic layer 14 light.
  • a carrier part 30 of the lining part 32 is likewise arranged by injection-molding, so that the decorative film 12 is integrated directly into the lining part 32.
  • this has a molded skin 34 on the outside, which is connected via a polyurethane foam layer 36 to the carrier 30.
  • Additional optical effects can be achieved by activating or deactivating the light source 28, as can be seen in FIGS. 3 and 4.
  • Special surface effects can be achieved by the formation of the decorative sheet 10.
  • these as a plastic film, as a partially perforated metal foil or sheet, modified natural fiber fabric for injection molding, knitted fabric of the leather part.
  • a corresponding bias in the molding of the molded skin or the carrier can also, as shown in Fig. 5, a lateral force along the arrows 38 on the edge portion 40 of the decorative sheet 12 are applied so that an automatic sealing of the decorative element 10 results.
  • the seal can also be done by an adhesive.
  • An additional effect can, as shown in Fig. 6, achieve by the use of two, superimposed decorative films.
  • a three-dimensional appearance of the design element can be achieved, which is further enhanced by the thickened regions 18 of the transparent plastic layer 14 that are in turn present in the embodiment shown in FIG.
  • a brightness progression over the decorative film 12 can be achieved away by way of a corresponding thickness profile of the transparent plastic layer 14, resulting in the embodiment shown in a fade-out effect of the writing printed on the decorative film 12.
  • geometric or pictorial patterns can also be imaged on the decorative film, as shown in FIG. 8.
  • the example shown in FIG. 8 does not require any backlighting of the decorative film 12.
  • the effect is achieved by a two-sided pressure on the decorative sheet 12, wherein a background color on the back of the decorative sheet 12 and the actual pattern on the front of the decorative sheet 12 is shown.
  • the carrier material 30 is interrupted in the area behind the second plastic layer 16, wherein the second plastic layer 16 is also transparent.
  • a light source is arranged behind the decorative element 10. Even with a direct backlighting reinforced areas 18 of the first plastic layer 14 may be provided which generate the light color in the direction of the surface normal of the decorative sheet 12 and so additional, appealing effects. Additional effects can be achieved by arranging structural materials 42 in the area behind the decorative film 12.
  • the structural material 42 has a textured, in the embodiment shown in FIG. 11 tissue-like surface and is arranged behind the carrier 30 of the trim part 32 in the illustrated embodiment.
  • Openings in the carrier 30 are provided in the region of the decorative element 10, so that the structural element 42 is visible through the transparent plastic layers 14, 16 as well as through the likewise transparent decorative film 12.
  • thickened regions 18 are again provided in the first plastic layer, which contribute to the formation of linear, three-dimensional structures.
  • An advantage of the invention is that here very different geometric structures can be formed.
  • Fig. 12 shows the same embodiment again in plan view, with particularly good the textile-like textured surface of the structural element 42 can be seen, which is recognizable by recesses 44, which may also be formed as apertures of the support member 30.
  • FIG. 13 shows a further exemplary embodiment, where a symmetrical pattern of the decorative film 12 is particularly emphasized by backlighting.
  • the backlighting is in turn realized here by openings in the carrier 30 of the trim part 32.
  • partially transparent plastic can be used instead of breakthroughs.
  • Figs. 14A and B show a driver assistance system.
  • a warning symbol 46 can thereby be displayed on the decorative element 10.
  • a driver assistance system can inform the driver about vehicles in the blind spot.
  • An alternative application would be the integration of such a decorative element 10 in a door panel, so that a warning symbol is displayed when there are objects in the pivot area when the door is opened.
  • the decorative element 10 In addition to the transmission of information by activating or deactivating a lighting of the decorative element 10, it is furthermore also possible to vary the hue or the brightness of the decorative element 10 as a function of information transmitted by the driving assistance system.
  • An example would be the monitoring of the fuel demand of the motor vehicle. Exceeds the driver due to particularly aggressive driving a predetermined consumption limit, the decorative element could, for example, be backlit red. On the other hand, if the fuel consumption is in the desired range, a green backlighting should be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Human Computer Interaction (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)

Abstract

L'invention concerne un élément de décor (10) pour un véhicule à moteur ainsi que son procédé de fabrication. L'élément de décor (10) comprend une feuille de décor (12) au moins en partie transparente qui est appliquée sur un élément de support (30) plat et est enrobée par injection de deux couches de matière plastique (14, 16). Au moins la première couche de matière plastique (14) est, selon l'invention, au moins en partie transparente. De ce fait, une utilisation de la première couche de matière plastique (14) comme guide de lumière est possible, ce qui permet une intégration de lumière optiquement particulièrement attrayante et ouvre des marges de manoeuvre structurelles particulièrement grandes.
EP10703819A 2009-04-14 2010-02-11 Élément de décor et son procédé de fabrication et son procédé de commande Withdrawn EP2419297A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009017363A DE102009017363A1 (de) 2009-04-14 2009-04-14 Dekorelement und Verfahren zu dessen Herstellung und Verfahren zu dessen Ansteuerung
PCT/EP2010/000862 WO2010118795A1 (fr) 2009-04-14 2010-02-11 Élément de décor et son procédé de fabrication et son procédé de commande

Publications (1)

Publication Number Publication Date
EP2419297A1 true EP2419297A1 (fr) 2012-02-22

Family

ID=42154117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10703819A Withdrawn EP2419297A1 (fr) 2009-04-14 2010-02-11 Élément de décor et son procédé de fabrication et son procédé de commande

Country Status (4)

Country Link
US (1) US8915001B2 (fr)
EP (1) EP2419297A1 (fr)
DE (1) DE102009017363A1 (fr)
WO (1) WO2010118795A1 (fr)

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WO2010118795A1 (fr) 2010-10-21

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