DE102020112777A1 - Control device for a motor vehicle - Google Patents

Abstract

Operating device for a motor vehicle, comprising an operating element which can be operated by a user, and a display device which has a hologram (7) and at least one light source (6), the light (8) of which illuminates the hologram (7) can that an image stored in the hologram (7) is reconstructed and is visible to a viewer of the operating device, with at least two different images being stored in the hologram (7), the at least one light source (6) with light (8) can emit a first color and light (8) with a second color, wherein a first of the images is reconstructed by the light (8) with the first color and a second of the images is reconstructed by the light (8) with the second color.

Description

The present invention relates to an operating device for a motor vehicle according to the preamble of claim 1.

An operating device of the aforementioned type is from DE 10 2015 201 936 A1 known. The operating devices described therein can be designed, for example, as rotary switches or pressure switches for the passenger compartment of a motor vehicle. It has a cover glass through which light can get out of the interior of the operating device. Light-emitting diodes (LED) are provided, the light of which can impinge on a hologram arranged below the cover glass in order to reconstruct images stored in the hologram. The light-emitting diodes are arranged at different positions in the interior of the operating device, so that the light from different light-emitting diodes impinges on the hologram at different angles from one another. Due to the different angles of incidence, different images can be reconstructed from different light-emitting diodes.

The light-emitting diodes are arranged on different inner sides of the operating device. This results in a comparatively complex structure which, in particular in the case of small rotary switches or pressure switches, can hardly be integrated into the interior of the switch, or only with great effort.

The problem on which the present invention is based is to create an operating device of the type mentioned at the beginning, which is more simply constructed and / or requires less installation space.

This is achieved according to the invention by an operating device of the type mentioned at the beginning with the characterizing features of claim 1. The subclaims relate to preferred embodiments of the invention.

According to claim 1, it is provided that the at least one light source can emit light with a first color and light with a second color, with the light with the first color reconstructing a first of the images and the light with the second color reconstructing a second of the images will. By choosing a light source that can emit light with a first color and light with a second color, different images can be reconstructed without the use of spatially separated light-emitting diodes. As a result, the operating device can be made very small. For example, the operating device can have an outer diameter of 26 mm, an inner diameter of 17 mm and a length of 55 mm including the plug.

It can be provided that the at least one light source is designed as an RGB light-emitting diode or as an RGBW light-emitting diode or that the at least one light source comprises a plurality of light-emitting diodes, each of which can generate light of a color that differs from the color of another of the light sources generated light. A plurality of different colors can be generated with an RGB or an RGBW light-emitting diode. This can be, for example, the three basic colors red, green and blue, but also any mixed colors such as cyan, magenta, yellow or white. Even with a plurality of different light-emitting diodes, the light-emitting diodes do not have to be spatially separated from one another in order to be able to reconstruct different images. The reconstruction of different images stored in the hologram is achieved through the different color of the light emitted by the light emitting diodes.

There is the possibility that the display device comprises a lens through which the light emanating from the at least one light source passes at least partially during operation of the operating device before it strikes the hologram. The lens can be designed, for example, as a plano-convex, biconvex or concavo-convex lens. Alternatively, Fresnel lenses, gradient index lenses, microlens arrays or holograms can also be used as the lens. The lens can largely collimate the light emanating from the at least one light source so that it essentially strikes the hologram. Scattering on the inner walls of the operating device can largely be prevented by the lens. This prevents light from striking the hologram at undesired angles from the inner walls of the operating device, which could lead to a disruption of the reconstruction of the images stored in the hologram.

There is the possibility that the display device comprises a screen through which the light emanating from the at least one light source passes at least partially during operation of the operating device before it strikes the hologram. The screen can have such an opening and can be arranged in the operating device in such a way that the broadly emitted light of the at least one light source is limited. It can also be achieved in this way that only direct light from the light source strikes the hologram for reconstruction, with scattered light from the inner walls of the operating device likewise being largely avoided. For further optimization, the diaphragm can be designed in such a way that when several Light-emitting diodes each have a separate opening in front of each of the light-emitting diodes. The screen can be designed as a molded part. As an alternative to an injection-molded part as an embodiment of the screen, a printed film can also be integrated into the operating device, for example, which is openly transmissive in at least one partial area in front of the light source, while the remaining surface of the film is printed in black.

It can be provided to combine a lens and a diaphragm. Furthermore, there is the possibility that the inner walls of the operating device are roughened or designed by a corresponding coating that they have poor reflection properties and thus do not reflect the light reflected downwards from the hologram back onto the hologram at different angles.

It can be provided that the hologram is designed as a transmission hologram or as a reflection hologram. A transmission hologram represents a very simple embodiment, in which it turns out to be disadvantageous that the 0th order of the light passing through the hologram passes through the hologram relatively unhindered and can be disruptive as a light spot on other components of the vehicle interior. A reflection hologram can be designed and arranged in such a way that these disruptive light spots do not occur.

There is the possibility that the display device has more than one hologram, the holograms being arranged in such a way that the light emanating from the at least one light source strikes the holograms one after the other. For example, when the operating device is in operation, the light emanating from the at least one light source can at least partially pass through a first hologram, then be reflected back to the first hologram by a second hologram and then reflected out of the operating device by the first hologram. The direct or parallel light, for example, initially passes through one or more holograms unaffected and strikes one or more reflection holograms which are subsequently positioned in the light direction and which reflect the parallel light at a defined angle. The reflected light then hits the associated hologram that has already passed in its back-reflection direction, which then also acts as a reflection hologram and reconstructs the previously integrated holographic information and makes it visible to the viewer as an image.

It can be provided that the operating device is a start-stop switch for a motor vehicle. Many vehicles are no longer started by turning the ignition key in the ignition lock, but by pressing a start-stop switch. Keyless entry systems and convenience functions mean that the driver of a vehicle usually no longer actively uses his key in the vehicle. The key is only stored because the vehicle has recognized the associated key electronically and has enabled the driver to use the vehicle. After getting in, the engine is started simply by pressing the start / stop switch. In the prior art, there is a switch variant with a simple switch lighting, in which a light-emitting diode illuminates the switch inside and thus, for example, illuminates the transparent words "START" and "STOP" in the cover. A functional assignment to the actual engine status is not clear and only possible by hearing with perception of the engine noise or by feeling vehicle vibrations, because both switching states "START" and "STOP" are always displayed at the same time. However, since modern motors already work very quietly or electric vehicles work completely silently on the drive side, it is often not possible to clearly determine whether the drive is running or not. By using a hologram with several different images, a changing display can ensure optimal functional assignment and information on the switching status and at the same time increase perceptibility and recognizability, in particular through holograms of different colors. The display, which is now clearly ergonomic, brings about a visual and functional upgrade of the interior of a vehicle and also offers the possibility of individualization and personalization.

There is definitely the possibility that the operating device is not a start-stop switch but a different switch arranged in the interior of the motor vehicle.

It can be provided that the operating element is a push button switch and / or a rotary switch. The at least one light source can be arranged in the interior of the pressure switch, in particular with the lens and / or the diaphragm also being arranged in the interior of the pressure switch. Furthermore, the pressure surface of the pressure switch can be at least partially transparent, so that the light emanating from the hologram can exit the pressure switch through the pressure surface.

There is the possibility that the display device is designed in such a way that the image generated by the display direction has different components which are arranged one behind the other in several planes. In particular, it can be provided that this depends on the display direction The generated image appears to the user as a floating image in front of the operating device.

There is the possibility that the image generated by the display device represents a text and / or a graphic or a pictogram. For example, the words "START" and "STOP" can be generated with a start-stop switch. Furthermore, for example, a motor can be shown as an alternative or in addition.

It can be provided that the display device is designed in such a way that when it is installed in a motor vehicle, different images are visible to the driver and the front passenger. For example, functional information such as the words “START” and “STOP” can be displayed to the driver, whereas the front passenger can be shown words such as “HELLO” or “WELCOME” independently of the information displayed to the driver.

• 1 eine perspektivische Ansicht einer ersten Ausführungsform einer erfindungsgemäßen Bedienvorrichtung;
• 2 eine perspektivische Detailansicht des oberen Bereichs der Bedienvorrichtung gemäß 1;
• 3 einen Schnitt durch den oberen Bereich gemäß 2;
• 4 ein Detail des in 3 abgebildeten oberen Bereichs;
• 5 einen Schnitt durch eine zweite Ausführungsform einer erfindungsgemäßen Bedienvorrichtung;
• 6 einen Schnitt durch eine dritte Ausführungsform einer erfindungsgemäßen Bedienvorrichtung;
• 7 einen Schnitt durch die Ausführungsform gemäß 6 mit eingezeichneten Strahlengängen des erzeugten Lichts;
• 8 einen Schnitt durch eine vierte Ausführungsform einer erfindungsgemäßen Bedienvorrichtung;
• 9 einen Schnitt durch die Ausführungsform gemäß 8 mit eingezeichneten Strahlengängen des erzeugten Lichts;
• 10 ein vergrößertes Detail der 9;
• 11 eine perspektivische Explosionsdarstellung der Ausführungsform gemäß 8;
• 12 eine perspektivische Explosionsdarstellung der Ausführungsform gemäß 8 mit eingezeichneten Strahlengängen des erzeugten Lichts;
• 13 eine perspektivische Explosionsdarstellung der Ausführungsform gemäß 8 mit eingezeichneten Strahlengängen des erzeugten Lichts, wobei zur besseren Übersichtlichkeit einzelne Teile der Bedienvorrichtung nicht dargestellt sind;
• 14 eine schematische Darstellung der Rekonstruktion eines in einem Hologramm einer fünften Ausführungsform einer erfindungsgemäßen Bedienvorrichtung gespeicherten Bildes;
• 15 eine schematische Darstellung der Rekonstruktion eines in einem Hologramm einer sechsten Ausführungsform einer erfindungsgemäßen Bedienvorrichtung gespeicherten Bildes;
• 16 eine perspektivische Ansicht einer siebten Ausführungsform einer erfindungsgemäßen Bedienvorrichtung mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten ersten Bildes;
• 17 eine perspektivische Ansicht der Ausführungsform gemäß 16 mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten zweiten Bildes;
• 18 eine perspektivische Ansicht einer achten Ausführungsform einer erfindungsgemäßen Bedienvorrichtung mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten ersten Bildes;
• 19 eine perspektivische Ansicht der Ausführungsform gemäß 18 mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten zweiten Bildes;
• 20 ein Detail eines oberen Bereichs einer neunten Ausführungsform einer erfindungsgemäßen Bedienvorrichtung mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten Bildes;
• 21 ein Detail eines oberen Bereichs einer zehnten Ausführungsform einer erfindungsgemäßen Bedienvorrichtung mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten Bildes;
• 22 ein Detail eines oberen Bereichs einer elften Ausführungsform einer erfindungsgemäßen Bedienvorrichtung mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten Bildes;
• 23 ein Detail eines oberen Bereichs einer zwölften Ausführungsform einer erfindungsgemäßen Bedienvorrichtung mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten Bildes;
• 24 ein Detail eines oberen Bereichs einer dreizehnten Ausführungsform einer erfindungsgemäßen Bedienvorrichtung mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten Bildes;
• 25 ein Detail eines oberen Bereichs einer vierzehnten Ausführungsform einer erfindungsgemäßen Bedienvorrichtung mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten Bildes;
• 26 ein Detail eines oberen Bereichs einer fünfzehnten Ausführungsform einer erfindungsgemäßen Bedienvorrichtung mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten Bildes;
• 27 ein Detail eines oberen Bereichs einer sechzehnten Ausführungsform einer erfindungsgemäßen Bedienvorrichtung mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten Bildes;
• 28 ein Detail eines oberen Bereichs einer siebzehnten Ausführungsform einer erfindungsgemäßen Bedienvorrichtung mit der Darstellung der Rekonstruktion eines in einem Hologramm der Ausführungsform gespeicherten Bildes.

The invention is explained in more detail below with reference to the accompanying drawings. It shows:

• 1 a perspective view of a first embodiment of an operating device according to the invention;
• 2 a perspective detailed view of the upper region of the operating device according to FIG 1 ;
• 3 a section through the upper area according to 2 ;
• 4th a detail of the in 3 pictured upper area;
• 5 a section through a second embodiment of an operating device according to the invention;
• 6th a section through a third embodiment of an operating device according to the invention;
• 7th a section through the embodiment according to 6th with drawn beam paths of the generated light;
• 8th a section through a fourth embodiment of an operating device according to the invention;
• 9 a section through the embodiment according to 8th with drawn beam paths of the generated light;
• 10 an enlarged detail of the 9 ;
• 11th a perspective exploded view of the embodiment according to 8th ;
• 12th a perspective exploded view of the embodiment according to 8th with drawn beam paths of the generated light;
• 13th a perspective exploded view of the embodiment according to 8th with drawn beam paths of the generated light, individual parts of the operating device not being shown for the sake of clarity;
• 14th a schematic representation the reconstruction of an image stored in a hologram of a fifth embodiment of an operating device according to the invention;
• 15th a schematic representation of the reconstruction of an image stored in a hologram of a sixth embodiment of an operating device according to the invention;
• 16 a perspective view of a seventh embodiment of an operating device according to the invention with the representation of the reconstruction of a first image stored in a hologram of the embodiment;
• 17th a perspective view of the embodiment according to 16 showing the reconstruction of a second image stored in a hologram of the embodiment;
• 18th a perspective view of an eighth embodiment of an operating device according to the invention with the representation of the reconstruction of a first image stored in a hologram of the embodiment;
• 19th a perspective view of the embodiment according to 18th showing the reconstruction of a second image stored in a hologram of the embodiment;
• 20th a detail of an upper area of a ninth embodiment of an operating device according to the invention with the representation of the reconstruction of an image stored in a hologram of the embodiment;
• 21 a detail of an upper area of a tenth embodiment of an operating device according to the invention with the representation of the reconstruction of an image stored in a hologram of the embodiment;
• 22nd a detail of an upper area of an eleventh embodiment of an operating device according to the invention with the representation of the reconstruction of an image stored in a hologram of the embodiment;
• 23 a detail of an upper area of a twelfth embodiment of an operating device according to the invention with the representation of the reconstruction of an image stored in a hologram of the embodiment;
• 24 a detail of an upper area of a thirteenth embodiment of an operating device according to the invention with the representation of the reconstruction of an image stored in a hologram of the embodiment;
• 25th a detail of an upper area of a fourteenth embodiment of an operating device according to the invention with the representation of the reconstruction of an image stored in a hologram of the embodiment;
• 26th a detail of an upper area of a fifteenth embodiment of an operating device according to the invention with the representation of the reconstruction of an image stored in a hologram of the embodiment;
• 27 a detail of an upper area of a sixteenth embodiment of an operating device according to the invention with the representation of the reconstruction of an image stored in a hologram of the embodiment;
• 28 a detail of an upper area of a seventeenth embodiment of an operating device according to the invention with the representation of the reconstruction of an image stored in a hologram of the embodiment.

Identical and functionally identical parts are provided with the same reference symbols in the figures.

The embodiments of an operating device shown in the figures are designed as start-stop switches. There is definitely the possibility that the operating device is not a start-stop switch but a different switch arranged in the interior of the motor vehicle.

The operating device shown, designed as a start-stop switch, comprises a housing 1 and a lid 2 with a pressure surface serving as a control element 3 which is the only component visible to the driver. The operating device further comprises an inner tube 4th , which is the mechanical power transmission when pressure is applied to the lid 2 to the actual switch 5 on a printed circuit board (see for example 1 and 5 ). The top of the lid 2 and especially the printing area 3 are made transparent.

The operating device designed as a start-stop switch can have very small dimensions. For example, it can have an outside diameter of 26mm, an inside diameter of 17mm and a length of 55mm including the connector.

The operating device further comprises a light source 6th , which is designed, for example, as an RGB light-emitting diode or as an RGBW light-emitting diode. Alternatively, the light source 6th also comprise a plurality of light-emitting diodes, each of which can generate light of a color that differs from the color of the light generated by another of the light sources.

In the upper part of the lid 2 , especially on the underside of the print area 3 is at least one hologram 7th arranged (see 4th and 8th ). The hologram 7th is designed as a volume hologram in which a plurality of images are stored. That from the light source 6th outgoing light 8th hits the hologram from below when the operating device is in operation 7th and reconstructs one of the images saved in it (see 5 ). The light source 6th and the hologram 7th together form a display device.

That at least one hologram 7th is in particular a film-based volume hologram that is placed on the inside of the transparent cover 2 or on the underside of the printing area 3 is applied, for example glued, welded or in the injection molding process during the manufacture of the lid 2 directly integrated and overmolded. A cover design as a two-component part with a transparent inner area is advantageous 9 of the lid 2 from a sprayed-on, opaque, for example black, gray or colored, edge area 10 is surrounded (see 3 ). This opaque edge area 10 at the same time covers the fastening, for example the gluing or welding, of the hologram foils for a viewer. On top of the transparent interior 9 is the printing area 3 arranged.

Depending on the color of the light source 6th emitted light 8th one of the images stored in the hologram is selectively reconstructed. For example, with light of a first color, which can in particular be green, a first image is reconstructed, which in particular can consist of the word “START”. Furthermore, a second image is reconstructed, for example, with light of a second color, which can in particular be red, which in particular can consist of the word “STOP”.

At the in 5 The embodiment shown is between the light source 6th and the hologram 7th an aperture 11th arranged having an opening 12th has, through which only part of the light source designed as a light emitting diode 6th outgoing light 8th is let through, whereas another part of the light is transmitted 8th is hidden. In this way it can be achieved that no or only very small portions of the light 8th on the walls of the inner tube 4th hit or that im Essentially only direct light from the light source 6th on the hologram 7th hits. The hologram can then be designed as a transmission hologram, for example.

With a light source 6th with several light-emitting diodes, the cover can 11th be designed such that they each have a separate opening 12th in front of each of the LED chips that are in the light source 6th are arranged offset to one another.

The aperture 11th can be designed as an injection molded part. As an alternative to a molded part as a version of the cover 11th For example, a printed film can also be integrated into the operating device, which is openly transmissive in partial areas in front of the LED chip, while the other surfaces of the film are printed in black.

It can also be provided that the inner walls of the inner tube 4th roughened or designed by a corresponding coating that they have poor reflective properties and so from the hologram 7th light reflected downwards does not return to the hologram at different angles 7th is reflected back.

The in 6th until 13th The illustrated embodiment is a lens instead of a diaphragm 13th intended. There is definitely the possibility of both an aperture 11th as well as a lens 13th to be provided.

The Lens 13th is designed as a plano-convex lens in the illustrated embodiments. For example, it can also be designed as a biconvex or concavo-convex lens. Alternatively, Fresnel lenses, gradient index lenses, microlens arrays or holograms can also be used as the lens.

The Lens 13th can do that from the at least one light source 6th outgoing light 8th collimate so it's essentially on the hologram 7th hits. Scattering on the inner walls of the operating device can be caused by the lens 13th largely prevented. This prevents light from falling onto the hologram from the inner walls of the operating device at undesired angles 7th occurs, resulting in a disruption of the reconstruction in the hologram 7th saved images.

The ones in the 10 , 14th and 15th The illustrated embodiments of the operating device have at least two holograms 7a , 7b on, which together form a hologram designed as a Z hologram 7th form. The direct or parallel light 8th occurs initially unaffected by at least one first hologram 7a through and subsequently hits at least a second hologram 7b that is behind the first hologram in the direction of light propagation 7a is arranged. The second hologram 7b is designed as a reflection hologram, which the parallel light 8th at a defined angle back down in 14th and 15th reflected. The reflected light 8th then hits the associated first hologram in its back reflection direction 7a , which then also acts as a reflection hologram. The first hologram 7a then reconstructs the previously integrated holographic information and makes it visible to the viewer as an image, the image being a text, for example 14th is. This text 14th consists in the present case of the words "Engine Start".

The first hologram 7a be designed as a film with multiple exposures. Alternatively, the first hologram 7a be designed as a stack of several foils, each of which has a single exposure. There is still the possibility that the hologram 7a is a combination of both embodiments.

There is a possibility that the at least one hologram 7th generated image a text 14th is like the one in the 16 until 19th the words "ENGINE START", "ENGINE STOP", "START" and "STOP" shown. That from the at least one hologram 7th The generated image can also be a graphic or a pictogram 15th be. Alternatively, texts 14th and pictograms 15th are represented at the same time. For example, in the embodiments according to 18th and 19th in addition to the text 14th a pictogram 15th reconstructed representing an engine or a strikethrough engine.

Furthermore, the positions of the text 14th or the graphic or the pictogram 15th be freely chosen. For example, the text 14th floating slightly in front of the lid 2 be positioned while the pictogram 15th or the graphic in the plane of the hologram 7th or even behind it, creating an effect of depth (see 20th ).

The can in the plane of the hologram 7th or background positioned behind it 16 For a depth effect of the entire reconstructed image, it can also be designed with a background pattern such as a point grid or a line grid (see 21 and 22nd ).

The background 16 can also be designed as a three-dimensional graphic element, for example with inclined or concentric lines or surfaces, a curved, luminous background surface or with three-dimensional geometric structures (see 23 until 25th ).

The patterns, surfaces and bodies shown are only to be understood as examples; any other designs of the background can also be used 16 how, for example, a large number of small manufacturer logos are used (see 26th ).

The background 16 can be designed to be larger all the way around than the actual installation space of the operating device, in order to always be used as a background in the case of a larger visibility area 16 to be recognizable. Is important for the background 16 a structuring size which is clearly different from that of the hologram 7th reconstructed text 14th or the reconstructed pictogram 15th so that the eye recognizes the different geometrical position through small movements of the head within the viewing area, the so-called eyebox, an effect of depth.

For the front passenger, additional information, independent of the driver information, can be generated at the same time, with the eyebox also being small, by adding the respective hologram 7th provides independent information for both eyeboxes and thus for both defined viewing directions. For example, the front passenger can turn off the engine before starting the engine 27 apparent text 14th "HELLO" or the one from 28 apparent text 14th “WELCOME” will be displayed. When the driver starts the engine, the holographic information can also show other content for the passenger, for example a text such as “ENGINES RUNS” or “ENJOY” or “ENJOY THE RIDE” or, for example, a pictogram of a running animal.

The holograms for the driver and front passenger in the status before or after starting the engine can have the same color, such as red, green, blue, yellow, cyan, magenta or another mixed color, or change in color when the status changes, such as in pressing the start-stop switch.

For example, the hologram for the driver and front passenger can light up green before the engine is started and then switch to red to stop the engine. In the case of an RGB light-emitting diode, it is also conceivable that the blue LED chip is used to show the passenger holographic information in a neutral color, for example "ENJOY" can then be shown in blue while the driver simultaneously shows the red hologram " ENGINE STOP ”is displayed.

Ultimately, there is also the option of offering the end customer, i.e. the vehicle buyer and driver, an individualization and personalization option for the design of the holograms. High-quality luxury vehicles already offer options for personal design, for example by choosing your own colors or special materials or ordering exclusive extras.

Especially if the hologram is based on a film as a volume hologram, a specially designed or personal motif or a personal graphic or your own desired text can be specified for an individual configuration for the existing lighting, which is then implemented holographically and built into a very personal switch are. In production, the individualization would only mean exchanging the switch cap, which can also be done later in a simple manner in a workshop.

List of reference symbols

1

casing

2

Housing cover

3

Printing area in the lid

4th

Inner tube

5

counter

6th

Light source

7th

hologram

7a

first hologram

7b

second hologram

8th

light emanating from the light source

9

Inside of the lid

10

Edge area of the lid

11th

cover

12th

Opening in the bezel

13th

lens

14th

text

15th

pictogram

16

background

QUOTES INCLUDED IN THE DESCRIPTION

This list of the documents listed by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent literature cited

• DE 102015201936 A1 [0002]

Claims (15)

Operating device for a motor vehicle, comprising an operating element which can be operated by a user, and a display device which has a hologram (7) and at least one light source (6), the light (8) of which illuminates the hologram (7) can that an image stored in the hologram (7) is reconstructed and is visible to a viewer of the operating device, with at least two different images being stored in the hologram (7), characterized in that the at least one light source (6) is light ( 8) with a first color and light (8) with a second color, whereby a first of the images is reconstructed by the light (8) with the first color and a second of the images is reconstructed by the light (8) with the second color . Control device according to Claim 1 , characterized in that the at least one light source (6) is designed as an RGB light-emitting diode or as an RGBW light-emitting diode or that the at least one light source (6) comprises a plurality of light-emitting diodes, each of which can generate light (8) of a color that differs from the color of the light (8) generated by another of the light sources (6). Operating device according to one of the Claims 1 or 2 , characterized in that the display device comprises a lens (13) through which the light (8) emanating from the at least one light source (6) at least partially passes during operation of the operating device before it strikes the hologram (7). Operating device according to one of the Claims 1 until 3 , characterized in that the display device comprises a screen (11) through which the light (8) emanating from the at least one light source (6) at least partially passes during operation of the operating device before it strikes the hologram (7). Operating device according to one of the Claims 1 until 4th , characterized in that the hologram (7) is designed as a transmission hologram or as a reflection hologram. Operating device according to one of the Claims 1 until 5 , characterized in that the display device has more than one hologram (7a, 7b), the holograms (7a, 7b) being arranged in such a way that the light (8) emanating from the at least one light source (6) hits the holograms ( 7a, 7b). Control device according to Claim 6 , characterized in that, during operation of the operating device, the light (8) emanating from the at least one light source (6) passes at least partially through a first hologram (7a), then reflected back from a second hologram (7b) to the first hologram (7a) and is then reflected out of the operating device by the first hologram (7a). Operating device according to one of the Claims 1 until 7th , characterized in that the operating device is a start-stop switch for a motor vehicle. Operating device according to one of the Claims 1 until 8th , characterized in that the operating element is a push button switch and / or a rotary switch. Control device according to Claim 9 , characterized in that the at least one light source (6) is arranged inside the pressure switch, in particular with the lens (13) and / or the diaphragm (11) also being arranged inside the pressure switch. Operating device according to one of the Claims 9 or 10 , characterized in that the pressure surface (3) of the pressure switch is at least partially transparent, so that the light (8) emanating from the hologram (7) can exit the pressure switch through the pressure surface (3). Operating device according to one of the Claims 1 until 11th , characterized in that the display device is designed in such a way that the image generated by the display direction has different components which are arranged one behind the other in several planes. Operating device according to one of the Claims 1 until 12th , characterized in that the display device is designed in such a way that the image generated by the display direction appears to the user as an image floating in front of the operating device. Operating device according to one of the Claims 1 until 13th , characterized in that the image generated by the display device represents a text (14) and / or a graphic or a pictogram (15). Operating device according to one of the Claims 1 until 14th , characterized in that the display device is designed in such a way that, when installed in a motor vehicle, different images are visible to the driver and the front passenger.

Images