DE202020103804U1 - Molded part - Google Patents
Molded part Download PDFInfo
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- DE202020103804U1 DE202020103804U1 DE202020103804.4U DE202020103804U DE202020103804U1 DE 202020103804 U1 DE202020103804 U1 DE 202020103804U1 DE 202020103804 U DE202020103804 U DE 202020103804U DE 202020103804 U1 DE202020103804 U1 DE 202020103804U1
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- Prior art keywords
- carrier
- decorative layer
- layer
- recesses
- light
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- Expired - Lifetime
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Landscapes
- Engineering & Computer Science (AREA)
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Abstract
Formteil (10), umfassend
eine Dekorschicht (11) mit einer als Sichtseite ausgebildeten Vorderseite (12) und einer der Vorderseite (12) gegenüberliegenden Rückseite (13), wobei in zumindest einem Symbolbereich (14) der Dekorschicht (11) eine oder mehrere Ausnehmungen (15) in der Dekorschicht (11) vorgesehen sind, wobei die eine oder mehreren Ausnehmungen (15) ein Symbol ausbilden, welches an der Vorderseite (12) der Dekorschicht (11) darstellbar ist,
einen an der Rückseite (13) der Dekorschicht (11) angeordneten transparenten oder transluzenten Träger (16) mit einer Vorderseite (17) und einer Rückseite (18), wobei der Träger (16) als Lichtleiter ausgebildet ist, und
eine Lichtquelle (19) zum seitlichen Einkoppeln von Licht in den Träger (16), wobei die Lichtquelle (19) seitlich am Träger (16) angeordnet ist, dadurch gekennzeichnet, dass
der Träger (16) in einem oder mehreren Abschnitten (20) an seiner Rückseite (18) eine Umlenkstruktur (21) aufweist, wobei der oder die Abschnitte (20) dem Symbolbereich (14) der Dekorschicht (11) gegenüberliegen, wobei von der Lichtquelle (19) ausgehendes und in den Träger (16) eingekoppeltes Licht mittels der Umlenkstruktur (21) hin zu der oder den Ausnehmungen (15) geleitet wird, so dass die Ausnehmungen (15) zur Symboldarstellung (14) beleuchtet und/oder durchleuchtet werden.
Molding (10), comprising
a decorative layer (11) with a front side (12) designed as a visible side and a rear side (13) opposite the front side (12), with one or more recesses (15) in the decorative layer in at least one symbol area (14) of the decorative layer (11) (11) are provided, the one or more recesses (15) forming a symbol which can be displayed on the front side (12) of the decorative layer (11),
a transparent or translucent carrier (16) which is arranged on the rear side (13) of the decorative layer (11) and has a front side (17) and a rear side (18), the carrier (16) being designed as a light guide, and
a light source (19) for the lateral coupling of light into the carrier (16), wherein the light source (19) is arranged laterally on the carrier (16), characterized in that
the carrier (16) has a deflection structure (21) in one or more sections (20) on its rear side (18), the section or sections (20) facing the symbol area (14) of the decorative layer (11), whereby from the light source (19) outgoing light coupled into the carrier (16) is guided by means of the deflecting structure (21) to the recess or recesses (15) so that the recesses (15) are illuminated and / or transilluminated for symbol representation (14).
Description
Die Erfindung betrifft ein Formteil, insbesondere ein als Formteil ausgebildetes Dekor- und/oder Verkleidungsteil für einen Fahrzeuginnenraum.The invention relates to a molded part, in particular a decorative and / or cladding part designed as a molded part for a vehicle interior.
Im Fahrzeuginnenraum werden zahlreiche Dekor- und Verkleidungsteile eingebaut, beispielsweise Türverkleidungen, Konsolen- und Instrumentenverblendungen. Zu den Dekor- und Verkleidungsteilen zählen auch Bedientasten bzw. deren Abdeckungen.Numerous decorative and trim parts are installed in the vehicle interior, for example door panels, console and instrument panels. The decorative and cladding parts also include control buttons and their covers.
Derartige Formteile umfassen eine Dekorschicht mit einer als Sichtseite ausgebildeten Vorderseite und einer der Vorderseite gegenüberliegenden Rückseite, wobei in zumindest einem Symbolbereich der Dekorschicht eine oder mehrere Ausnehmungen in der Dekorschicht vorgesehen sind, wobei die eine oder mehreren Ausnehmungen ein Symbol ausbilden, welches an der Vorderseite der Dekorschicht darstellbar ist. Das erfindungsgemäße Formteil umfasst ferner einen an der Rückseite der Dekorschicht angeordneten transparenten oder transluzenten Träger mit einer Vorderseite und einer Rückseite, wobei der Träger als Lichtleiter ausgebildet ist, und eine Lichtquelle zum seitlichen Einkoppeln von Licht in den Träger, wobei die Lichtquelle seitlich am Träger angeordnet ist.Such molded parts comprise a decorative layer with a front side designed as a visible side and a rear side opposite the front side, with one or more recesses in the decorative layer being provided in at least one symbol area of the decorative layer, the one or more recesses forming a symbol which is displayed on the front side of the Decorative layer can be represented. The molded part according to the invention further comprises a transparent or translucent carrier arranged on the rear side of the decorative layer with a front side and a rear side, the carrier being designed as a light guide, and a light source for the lateral coupling of light into the carrier, the light source being arranged laterally on the carrier is.
Bekannte Formteile weisen zumeist eine Lichtquelle auf, welche unter dem oder in der Nähe des Symbolbereichs angeordnet sind. Bei einer derartigen Anordnung besteht jedoch immer die Gefahr von Spots oder Stellen vergleichsweise hoher Lichtintensität, welche beispielsweise durch Streumittel reduziert werden müssen.Known molded parts mostly have a light source which is arranged below or in the vicinity of the symbol area. With such an arrangement, however, there is always the risk of spots or places of comparatively high light intensity, which have to be reduced, for example, by means of scattering means.
Eine andere Möglichkeit zur Beleuchtung von Symbolen besteht in der Verwendung von zylindrischen Lichtleiterfasern. Diese müssen jedoch aufwendig verbaut bzw. in das Formteil integriert werden, so dass sie das Licht an die Ausnehmung oder Ausnehmungen heranleiten können. Ferner handelt es sich bei diesen Lichtleiterfasern um teure Zukaufteile.Another way of illuminating symbols is to use cylindrical optical fibers. However, these must be built in a complex manner or integrated into the molded part so that they can guide the light to the recess or recesses. Furthermore, these optical fibers are expensive purchased parts.
Der Erfindung liegt daher die Aufgabe zugrunde, ein neues Formteil anzugeben, insbesondere ein Formteil, welches eine alternative Beleuchtung des Symbolbereichs ermöglicht und dabei die Nachteile des Standes der Technik zumindest weitestgehend vermeidet.The invention is therefore based on the object of specifying a new molded part, in particular a molded part, which enables alternative lighting of the symbol area and at least largely avoids the disadvantages of the prior art.
Diese Aufgabe wird gelöst durch die Merkmale des Anspruchs 1. Vorteilhafte Ausgestaltungen und Weiterbildungen sind in den abhängigen Ansprüchen angegeben.This object is achieved by the features of claim 1. Advantageous configurations and developments are specified in the dependent claims.
Das erfindungsgemäße Formteil ist dadurch gekennzeichnet, dass der Träger in einem oder mehreren Abschnitten an seiner Rückseite eine Umlenkstruktur aufweist, wobei der oder die Abschnitte dem Symbolbereich der Dekorschicht gegenüberliegen, wobei von der Lichtquelle ausgehendes und in den Träger eingekoppeltes Licht mittels der Umlenkstruktur hin zu der oder den Ausnehmungen geleitet wird, so dass die Ausnehmungen zur Symboldarstellung beleuchtet und/oder durchleuchtet werden.The molded part according to the invention is characterized in that the carrier has a deflecting structure in one or more sections on its rear side, the section or sections facing the symbol area of the decorative layer, with light emanating from the light source and coupled into the carrier by means of the deflecting structure to the or the recesses is guided so that the recesses are illuminated and / or transilluminated for the display of symbols.
Unter „ein Symbol ausbilden“ wird insbesondere verstanden, dass die Ausnehmungen in Draufsicht ein Symbol darstellen. Bei dem Symbol handelt es sich bevorzugt um ein oder mehrere Funktionssymbole oder Geometrien oder Formen oder formfolgende Linien, welche auf der Sichtseite der Dekorschicht des Formteils dargestellt werden. Ferner kann es sich bei dem Symbol auch um einen oder mehrere Buchstaben, Schriftzüge, Zeichen oder sonstige Gestaltungselemente handeln.“Form a symbol” is understood in particular to mean that the recesses represent a symbol in plan view. The symbol is preferably one or more function symbols or geometries or shapes or shape-following lines, which are displayed on the visible side of the decorative layer of the molded part. Furthermore, the symbol can also be one or more letters, lettering, characters or other design elements.
Die Vorteile der Erfindung liegen insbesondere darin, dass die Ausnehmung oder Ausnehmungen durchleuchtet werden können, ohne eine Lichtquelle unter dem oder in der Nähe des Symbolbereichs anzuordnen. Ferner müssen keine Lichtleiterfasern verwendet werden.The advantages of the invention are in particular that the recess or recesses can be transilluminated without arranging a light source under or in the vicinity of the symbol area. Furthermore, no optical fibers have to be used.
Die Fläche des Symbolbereichs und die Fläche des oder der Abschnitte mit der Umlenkstruktur sind vorzugsweise in Draufsicht zumindest annähernd deckungsgleich.The area of the symbol area and the area of the section or sections with the deflecting structure are preferably at least approximately congruent in plan view.
Besonders bevorzugt umfasst der Träger Polyurethan oder ist aus Polyurethan gebildet.The carrier particularly preferably comprises polyurethane or is formed from polyurethane.
Gemäß einer Weiterbildung der Erfindung ist vorgesehen, dass an der Rückseite des Trägers eine, insbesondere hochglänzende, Reflexionsschicht, vorzugsweise eine PVD-Schicht (Physical Vapour Deposition), besonders bevorzugt aus einem PVD-Lack oder aufgedampftem PVD, angeordnet ist, wobei von der Lichtquelle ausgehendes und in den Träger eingekoppeltes Licht an der Reflexionsschicht reflektiert wird. Alternativ zu der Reflexionsschicht kann auch eine Schicht, vorzugsweise eine Folie oder ein Lack, auf Basis von PC und/oder PUR und/oder PVAc vorgesehen sein, wobei die Lichtweiterleitung insbesondere durch Unterschiede des Brechungsindex zwischen dem Material des Trägers und der Schicht bedingt ist oder wird.According to a further development of the invention it is provided that on the back of the carrier, in particular a high-gloss, reflective layer, preferably a PVD layer (Physical Vapor Deposition), particularly preferably made of a PVD lacquer or vapor-deposited PVD, is arranged, whereby from the light source outgoing light coupled into the carrier is reflected on the reflective layer. As an alternative to the reflective layer, a layer, preferably a film or a lacquer, based on PC and / or PUR and / or PVAc can also be provided, the light transmission being due in particular to differences in the refractive index between the material of the carrier and the layer or will.
Ferner kann vorgesehen sein, dass die Umlenkstruktur durch eine Strukturierung der Oberfläche der Rückseite des Trägers gebildet ist, beispielsweise durch eine Riffelung der Oberfläche und/oder eine Nanostrukturierung und/oder eine oder mehrere Vertiefungen und/oder eine oder mehrere Erhebungen der Oberfläche, insbesondere durch entsprechende Formgebung beim Herstellungsprozess. Die Strukturierung der Oberfläche weist bevorzugt eine Größe oberhalb der Wellenlänge sichtbaren Lichts auf.Furthermore, it can be provided that the deflection structure is formed by structuring the surface of the rear side of the carrier, for example by corrugating the surface and / or nanostructuring and / or one or more depressions and / or one or more elevations on the surface, in particular by appropriate Shaping during the manufacturing process. The structuring of the surface preferably has a size above the wavelength of visible light.
Gemäß einer bevorzugten Weiterbildung der Erfindung ist vorgesehen, dass zwischen Dekorschicht und Träger eine Zwischenschicht aus Vlies angeordnet ist, wobei das Vlies mittels eines Klebers oder einer Klebeschicht an der Rückseite der Dekorschicht angeordnet ist, wobei sich die Ausnehmungen in der Dekorschicht ebenfalls durch das Vlies und/oder den Kleber oder die Klebeschicht hindurch erstrecken. Alternativ kann vorgesehen sein, dass zwischen Dekorschicht und Träger nur eine Klebeschicht und/oder kein Vlies angeordnet ist.According to a preferred development of the invention it is provided that an intermediate layer of fleece is arranged between the decorative layer and the carrier, the fleece being arranged on the back of the decorative layer by means of an adhesive or an adhesive layer, the recesses in the decorative layer also extending through the fleece and / or extend the adhesive or the adhesive layer therethrough. Alternatively, it can be provided that only one adhesive layer and / or no fleece is arranged between the decorative layer and the carrier.
Vorzugsweise ist eine transparente oder transluzente Schutz- und/oder Optikschicht an der als Sichtseite ausgebildeten Vorderseite der Dekorlage aufgebracht, insbesondere aufgegossen oder aufgesprüht, wobei die Schutz- und/oder Optikschicht als Hochglanzschicht, beispielsweise aus PUR, oder offenporig ausgebildet ist.A transparent or translucent protective and / or optical layer is preferably applied, in particular poured or sprayed on, the front side of the decorative layer designed as the visible side, the protective and / or optical layer being designed as a high-gloss layer, for example made of PUR, or open-pored.
Eine Ausführungsvariante der Erfindung sieht vor, dass in der oder den Ausnehmungen oder einem Teil der Ausnehmungen ein transparentes oder transluzentes Füllmaterial angeordnet ist. Das Füllmaterial kann eingefärbt sein, insbesondere zur Realisierung eines farbigen Symbols.One embodiment variant of the invention provides that a transparent or translucent filler material is arranged in the recess or recesses or a part of the recesses. The filler material can be colored, in particular to implement a colored symbol.
Es kann vorgesehen sein, dass zwischen der Dekorschicht und dem Träger eine Maskierung, insbesondere ein schwarzer Klebstoff oder eine Folie oder ein blickdichter Lack, zur Lichtabschottung angeordnet ist, wobei die Maskierung im Bereich der einen oder mehreren Ausnehmungen entsprechende Ausnehmungen zur Lichtweiterleitung aufweist.It can be provided that a mask, in particular a black adhesive or a film or an opaque varnish, is arranged between the decorative layer and the carrier to isolate light, the mask having corresponding recesses for light transmission in the area of the one or more recesses.
Die Ausnehmungen sind bevorzugt durchgehende Ausnehmungen, die sich von der Vorderseite der Dekorschicht, und insbesondere durch die Maskierung und/oder das Vlies und/oder den Kleber oder die Klebeschicht bis zum Träger hindurch erstrecken.The recesses are preferably continuous recesses which extend from the front side of the decorative layer and in particular through the masking and / or the fleece and / or the adhesive or the adhesive layer to the carrier.
Gemäß einer Ausführungsvariante der Erfindung ist zur Ausbildung einer Taste oder eines Schalters ein Sensor, beispielsweise ein Drucksensor oder ein kapazitiver Sensor, unter der Umlenkstruktur angeordnet, vorzugsweise an der Rückseite des Trägers oder an der Rückseite der Reflexionsschicht.According to one embodiment of the invention, to form a button or a switch, a sensor, for example a pressure sensor or a capacitive sensor, is arranged under the deflection structure, preferably on the back of the carrier or on the back of the reflective layer.
Bevorzugt ist oder umfasst die Dekorschicht ein Holzfurnier. Alternativ oder additiv kann die Dekorschicht eine Folie und/oder Aluminium und/oder Gewebe und/oder Steinfurnier sein oder umfassen.The decorative layer is preferably or comprises a wood veneer. As an alternative or in addition, the decorative layer can be or comprise a film and / or aluminum and / or fabric and / or stone veneer.
Die Erfindung wird nachstehend auch hinsichtlich weiterer Merkmale und Vorteile anhand der Beschreibung von Ausführungsbeispielen und unter Bezugnahme auf die beiliegenden, schematischen Zeichnungen näher erläutert. Dabei zeigt
-
1 eine schematische Schnittdarstellung eines ersten Ausführungsbeispiels eines erfindungsgemäßen Formteils; -
2 eine schematische Schnittdarstellung eines zweiten Ausführungsbeispiels eines erfindungsgemäßen Formteils.
-
1 a schematic sectional view of a first embodiment of a molded part according to the invention; -
2 a schematic sectional view of a second embodiment of a molded part according to the invention.
Einander entsprechende Teile und Komponenten sind auch über die verschiedenen Ausführungsbeispiele hinweg jeweils mit den gleichen Bezugszeichen bezeichnet.Parts and components that correspond to one another are denoted by the same reference symbols in each case across the various exemplary embodiments.
An der Rückseite
Das erfindungsgemäße Formteil
Der Träger
Die Umlenkstruktur
An der Rückseite
Um die Ausnehmung
Durch die Erfindung kann das im Formteil
Zwischen Dekorschicht
Die Ausnehmung
Gemäß beiden Ausführungsbeispielen nach
Gemäß einer nicht in den Figuren dargestellten Ausführungsvariante der Erfindung kann zwischen der Dekorschicht
Gemäß einer weiteren nicht in den Figuren dargestellten Ausführungsvariante der Erfindung kann zur Ausbildung einer Taste oder eines Schalters ein Sensor, beispielsweise ein Drucksensor oder ein kapazitiver Sensor, unter der Umlenkstruktur
BezugszeichenlisteList of reference symbols
- 1010
- FormteilMolded part
- 1111
- DekorschichtDecorative layer
- 1212th
- Vorderseitefront
- 1313th
- Rückseiteback
- 1414th
- SymbolbereichSymbol area
- 1515th
- AusnehmungRecess
- 1616
- Trägercarrier
- 1717th
- Vorderseitefront
- 1818th
- Rückseiteback
- 1919th
- LichtquelleLight source
- 2020th
- Abschnittsection
- 2121
- UmlenkstrukturDeflection structure
- 2222nd
- ReflexionsschichtReflective layer
- 2323
- ZwischenschichtIntermediate layer
- 2424
- KlebeschichtAdhesive layer
- 2525th
- Schutz- und/oder OptikschichtProtective and / or optical layer
- 2626th
- Füllmaterialfilling material
Claims (10)
Priority Applications (1)
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DE202020103804.4U DE202020103804U1 (en) | 2020-07-01 | 2020-07-01 | Molded part |
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DE202020103804.4U DE202020103804U1 (en) | 2020-07-01 | 2020-07-01 | Molded part |
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DE202020103804U1 true DE202020103804U1 (en) | 2021-07-05 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022004047A1 (en) | 2022-10-31 | 2024-05-02 | Mercedes-Benz Group AG | Cover cap decorative lighting device |
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2020
- 2020-07-01 DE DE202020103804.4U patent/DE202020103804U1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022004047A1 (en) | 2022-10-31 | 2024-05-02 | Mercedes-Benz Group AG | Cover cap decorative lighting device |
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