EP2707239A1 - Display unit for a vehicle - Google Patents

Display unit for a vehicle

Info

Publication number
EP2707239A1
EP2707239A1 EP20120733589 EP12733589A EP2707239A1 EP 2707239 A1 EP2707239 A1 EP 2707239A1 EP 20120733589 EP20120733589 EP 20120733589 EP 12733589 A EP12733589 A EP 12733589A EP 2707239 A1 EP2707239 A1 EP 2707239A1
Authority
EP
Grant status
Application
Patent type
Prior art keywords
display
light guide
display unit
portion
electronic display
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.)
Pending
Application number
EP20120733589
Other languages
German (de)
French (fr)
Inventor
Nathaniel COSER
Erik Glaser
William Brian LATHROP
Maria MEJIA
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.)
Audi AG
Volkswagen AG
Original Assignee
Audi AG
Volkswagen 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

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES
    • B60K35/00Arrangement of adaptations of instruments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES
    • B60K37/00Dashboards
    • B60K37/02Arrangement of instruments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES
    • B60K2350/00Arrangements or adaptations of instruments; Dashboards
    • B60K2350/10Input/output devices or features thereof
    • B60K2350/1056Output devices of features thereof
    • B60K2350/106Video screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES
    • B60K2350/00Arrangements or adaptations of instruments; Dashboards
    • B60K2350/20Optical features of instruments
    • B60K2350/2017Three-dimensional displays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES
    • B60K2350/00Arrangements or adaptations of instruments; Dashboards
    • B60K2350/20Optical features of instruments
    • B60K2350/203Illumination features
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES
    • B60K2350/00Arrangements or adaptations of instruments; Dashboards
    • B60K2350/20Optical features of instruments
    • B60K2350/206Optical elements in front of, or behind a dial
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor

Abstract

The invention relates to a display unit for a vehicle, comprising an electronic display (10) and an optical wave guide (12) coupled to a section of the display (10).

Description

description

Display unit for a vehicle

FIELD OF THE INVENTION

The present invention relates to display units for vehicles and

corresponding vehicles.

BACKGROUND OF THE INVENTION

The amount of information that must be communicated drivers in vehicles such as cars, is growing steadily. Traditionally, instrument panels were provided, which indicated only a few values ​​such as speed, fuel level and speed.

Conventionally, pointer instruments were frequently used. In recent years a rider additional things such as maps, information from the Internet, measures to increase efficiency such as driving recommendations and data on the traffic flow have been notified. This amount of information must be displayed in order to maintain a distraction to the driver small the driver in a flexible, easy to be detected ways.

To view this information more efficiently, display screens were integrated into cockpits of vehicles, or even the entire information such using

Screens provided, so that the previous physical display instruments are replaced by corresponding images on the screen. However, such screens lack the three-dimensional properties of physical gauges, and they lose their visual appearance when the vehicle is turned off. On the other hand, the three-dimensional spatial separation of data easier, at least in some cases the reading of the transmitted information.

From DE 10 2005 043 205 A1 a display is known, in which a magnifying lens is attached for viewing on the display. This makes it possible to make the display smaller.

From US 7,525,446 B2 a display device is known in which a decorative element is arranged on a display, for example, a part of the display around, in

CONFIRMATION COPY what information is displayed, making a three-dimensional impression. The decorative element is illuminated by light passing through the display light.

There is therefore a need for improved display devices.

SUMMARY OF THE INVENTION

There is provided according to claim 16 a display unit according to claim 1, a vehicle with such a display unit according to claim 15 and a method of manufacturing such a display unit. The dependent claims define further embodiments.

In one embodiment, a display unit is provided for a vehicle, comprising: which is configured to display information to an occupant of the vehicle, an electronic display, and a processor coupled with at least one portion of the display light guide to light, which represents at least part of the information to channel for viewing at predetermined locations which are spaced from the electronic display.

By using coupled to the electronic display light guides, the light can be guided to the predetermined places, which compared itself generates a three-dimensional impression with the usually flat electronic display.

The display unit may further comprise a further light guide in one embodiment, which is coupled with a further portion of the display to light up, which represents a further part of the information, for viewing to other predetermined locations, which differ from the predetermined locations and the electronic display are spaced to direct. A pitch of the further predetermined locations of the electronic display may be the same or different from a pitch of the predetermined places of the electronic display. In such an embodiment of the three-dimensional impression can be enhanced by the use of different spacings.

The light guide and the further light guide can have the same general shape and configuration, but may also have different shapes. Apart from the optical fiber and the other optical fiber, other optical fiber may be present. In other words, the number of optical fibers is not limited to any particular number.

The light guide and / or the further light guide may have a curved shape for guiding light in a non-straight manner. In such an embodiment, the flexibility is increased in designing the display unit.

The light guide and / or the further light guide can be attached directly to the electronic display, or may for example be attached to a protective transparent cover of the electronic display. The light guide may comprise a first portion for directing light at predetermined locations, with a first predetermined distance from the electronic display and a second portion which is arranged to conduct light to predetermined places with a second distance from the electronic display comprising, ,

The first portion and the second portion can have circular shapes and / or be arranged in a concentric manner.

The light guide may be based on optical fibers such as glass fibers, silica fibers or plastic fibers. In one embodiment the light conductor comprises a plurality of optical fibers which are combined or fused together.

The above summary is provided only to give an overview of some features of some embodiment, and is not intended to be limiting. In particular, other embodiments may comprise other than the features mentioned above. Next, the above-mentioned embodiments may be combined with each other, unless otherwise specified.

Fig. 1 is a diagram showing an embodiment of the present invention.

Fig. 2A-F are diagrams showing various embodiments of the invention.

Fig. 3A and 3B are views of light conductors which are usable in some embodiments of the invention.

FIGS. 4A-4H are schematic views of embodiments of the present

Invention. Fig. 5 is a perspective view of an embodiment according to the present invention. Fig. 6 shows a display unit according to an embodiment.

Fig. 7 shows schematically how an embodiment such as the embodiment of Fig. 6 can be assembled.

Fig. 8 shows a schematic view, as another embodiment of the invention can be assembled.

Fig. 9 shows a display unit according to an embodiment.

Fig. 10 shows a display unit according to another embodiment.

Fig. 11 shows a vehicle with a display unit according to an embodiment.

DETAILED DESCRIPTION OF THE INVENTION

In the following, embodiments of the invention are described with reference to the accompanying drawings. The following description of exemplary embodiments should not be interpreted as limiting, but is intended only some

provide illustrative examples of how the present invention may be implemented. In particular, the implementation of the present invention is not limited to those described in the following embodiments.

Features of various embodiments described can be combined, unless otherwise specified. On the other hand, a description of an embodiment with a plurality of features is not to be construed that all of these features to the embodiment of the present invention are necessary, since other embodiments may have fewer features, and / or alternative features.

In the following described embodiments of an electronic display and a light guide may comprise. In the context of the present application is an electronic display means which displays visible features, in particular visible information such as text, graphics, advertisements, etc. in response to electrical signals. In the context of the present application usable electronic displays include light emitting diodes based on organic displays (OLED) displays, liquid crystal displays (LCDs) or thin film transistor-based displays (TFT displays), just to name a few.

A light guide is generally a device which light from a first location to a second location results. Optical fibers typically use internal reflection, in particular total internal reflection, which at interfaces between materials with different

Refractive indices are generated to direct the light. Known light conductors comprise optical fibers, such as silicate-based fibers, glass fibers or plastic fibers or light pipes so-called (referred to in English as "light pipes") which comprise a plurality of optical fibers, for example, several hundred to several thousand individual optical fibers, which are connected to each other , for example, are fused together. with such light pipes light guide can be realized with a comparatively high diameter.

Referring now to the figures, a display unit for a vehicle shown in Fig. 1 according to an embodiment. The display unit of Fig. 1 comprises an electronic display 10 for displaying information for a driver. The information may include information such as vehicle speed, fuel level of the vehicle,

Navigation information, speed of the vehicle, map information or not directly related to driving information, such as information from the Internet or information regarding radio stations include.

The electronic display 10 is a light guide 12, such as a light pipe, coupled to that light, which represents a part of the information, namely the

Information which is displayed on the electronic display 10 at the location where the light guide 12 adjacent to the electronic display 10, for viewing to

predetermined locations at a distance d is derived from the electronic display 10 and thus generates a three-dimensional impression. The distance d in the embodiment of Fig. 1 is determined by the corresponding dimension of the light guide 12. Further, a stop 11 is provided, which covers parts of the electronic display 10 which are not used to display information.

It is noted that the aperture 11 does not have to cover the whole territory, which is not covered by the light guide 12, but there may be other non-covered areas of the electronic display 10 to provide information other than the viewable via the optical fiber 12 Information display. Various arrangements and locations for light guides in display units for vehicles can be used. Some examples of such arrangements will be explained next with reference to FIGS. 2A-2F. The embodiments of Figs. 2A-2F show essentially plan views of display units in accordance with embodiments.

By Figs. 2A-2F through 20 indicates of which in Figs. 2A-2F, the outline is shown an electronic display. The electronic display 20 can be used to represent different types of information to a driver, for example,

Speed ​​of a vehicle, the speed of a vehicle, the level of a tank of a vehicle, while others related to driving information such as a

Coolant temperature, as well as information that is not directly related to driving, such as information regarding a tuned radio station or

Outside temperature. The information can be displayed in a way similar to what conventional pointer instruments for speed or speed. For example, a speed in a left part of the electronic display 20 can be displayed while a rotational speed in a right part of the display can be displayed 20th

In the embodiment of Fig. 2A, two light conductors 21, 22, each having a circular cross-section, provided, one of the light guides in the left part of the display 20 and a 20 in the right portion of the display For example, 21 serve light to conduct, which corresponds to a speed information, and the light guide 22 may be configured to guide light, which corresponds to a rotational speed information, just to give an example. In this way, by about the light guide 21, 22 in the

Embodiment of Fig. 2A, a three-dimensional appearance is offered, appropriate information, such as speed information and

Speed ​​information highlighted.

In the embodiment of FIG. 2B are two semi-circular rings 23, 24 provided as a light guide. The rings 23, 24 can for example the parts of the display may be provided 20, are displayed in which scales for speed or rotational speed or speed or rotational speed can be displayed by the area covered by the light guide 23, 24 face is "filled in" gradually.

In the embodiment of FIG. 2C are light guides 25, 26 provided at similar locations as the locations of the light guide 21, 22 in Fig. 2A. The light guide 25 comprises an outer portion 25A and an inner portion 25B, and the light guide 26 comprises an outer portion 26A and an inner portion 26B. The thickness of the respective outer section 25A, 26A may be different from the thickness of the respective inner section 25B, 26B, for example, be less than this. The thickness is in this regard in the context of Figs. 2A-2F, the dimension to the surface of the display 20. In one embodiment, the respective outer portions 25A, 26A to cover, for example, a scale of a displayed pointer instrument can be vertical, and the inner portions 25B, 26B can have a comprising cover each inner part of the pointer of the respective pointer instrument.

However, other configurations are also possible.

In the embodiment of FIG. 2D, a light guide is provided in a lower part of the display 20 27. This part 20 of the display, for example, a level, a

Temperature and / or time are displayed.

In the embodiment of Fig. 2E, a light guide is provided in an upper part of the display 20 28. In the upper part of the display 20, for example, a level, a time and / or temperature can be displayed.

In the embodiment of Fig. 2F two light guides 29, 210 are provided. The light guide 29 comprises an outer portion 29A and an inner portion 29B, and the light guide 210 includes an outer portion 210A and an inner portion 21 OB, in a way similar to the structure of the light guides 25, 26 of the embodiment of Fig. 2C. In contrast to the embodiment of Fig. 2C, the outer portions 29A, 210A surround their respective inner portions 29B, 21 OB only partially, that is shown in a semi-circle as shown in FIG. 2F. Portions other than a semi-circle, for example in a quarter circle, are also possible.

The thickness of the outer portions 29A, 21 OA may be different from the thickness of the inner portions 29B, 21 OB, for example, be less than this.

It should be noted that the embodiments shown in Figs. 2A-2F can be combined. For example, 21 of FIG. 2A and the light guide 24 of Fig. 2B can be provided in a further embodiment of the light guide, or

Light guide 28 of FIG. 2E and / or the light guide 27 may 2D of FIG. In the

Embodiments of FIGS. 2A, 2B, 2C to be additionally provided or 2F.

The through the light guide, for example, light pipes, as in the previous

Embodiments mentioned provided visible effect is shown in FIGS. 3A and 3B. The Fig. 3A shows a light pipe 30 with a cylindrical shape, which

may correspond to, for example, the light guides 21 or 22 of Fig. 2A. As can be seen, may be the one part of the logo, which is covered by the light pipe 30 can be observed at a distance from the original expression, namely on an end face of the light pipe. In Fig. 3B, a light tube 31 is an outer portion 31 and an inner portion A shown comprising 31B. The thickness of the inner portion 31 B exceeds the thickness of the outer portion 31 A. This has the effect visible, as in Fig. 3B that the logo on different levels may be considered, ie, different parts may in

different distances from the expression of the logo (which would in a display unit as described with reference to Fig. 1 or Fig. 2 discussed in accordance with the plane of the display) to be seen. The light pipe 31 may, for example, as a light guide 25, 26 in the

. 2C used the embodiment of FIG. Light guide as the light guide 31 in FIG. 3B can be manufactured by two cylindrical light guide having various

are connected to each other diameters, so as to form a light guide with two layers.

Other embodiments of the display units will now be described with reference to FIGS. 4A-4H. FIGS. 4A-4H respectively show a side view of a display unit, that is a view similar to the view of Fig. 1 and perpendicular to the views of Figs. 2A-2F. By FIGS. 4A-4H carries an electronic display, in the illustrated

Embodiments, to organic light emitting diodes (OLED) based display, numeral 40. In other embodiments, other types of displays such as LCD or TFT displays can be used.

In Fig. 4A is a light guide 42A, for example, a light pipe, a rectangular with

Cross-section, for example, a cylindrical light pipe as in FIG. 3A, are provided. An aperture 41 A covering at least some portions of the display 40 which are not covered by the light guide 42nd

In the embodiment of FIG. 4B, an optical fiber 42B, and a shutter 41 B are provided. The display 40 of the opposing surface of the light guide 42B is rounded as shown in Fig. 4B. Depending on this internal structure of the light guide is thus achieved visual effect different from the visual effect of a flat surface as shown in Fig. 4A. For example, an effect can be obtained, which is the effect of a lens in a way similar, whereby characteristics of a lens are combined with those of a light guide.

In the embodiment of FIG. 4C is a diaphragm 41 C and a light guide 42C are provided. The light guide 42C is somewhat similar to the light guide 31 of Fig. 3B, with oblique surfaces between the outer portion and the inner section. In FIG. 4D, a diaphragm 41D and an optical fiber 42D is provided. The light guide 42D is bent to provide the image around a corner, that is, the image which represents information that can be seen in Fig. 4D from the direction which is indicated by an arrow 44. This allows freedom of design with respect to the arrangement of the display 40 to an occupant of the vehicle for which the relative thought on the display 40 displayed information.

In Fig. 4E an aperture 41 E and an optical waveguide 42E are shown. The light guide 42E has a double-curved cross section as shown in Fig. 4E shown so that the image produced by the display 40 can be viewed at a position which is shifted in the plane of the display 40 to the original position.

In Fig. 4F, a display unit comprises a diaphragm 41 F and a plurality of light guides 42F, all of which have rectangular cross-sections.

In Fig. 4G, the display unit comprises a diaphragm 41 G and 42G optical fiber with a

trapezoidal cross-section. In Fig. 4H an aperture 41 H is provided together with light pipes 42H and 43H having different diameters, that is, have dimensions parallel to the plane of the display 40, and in each case rounded surfaces to a surface opposite to the the display 40 adjacent surface.

FIGS. 4A-4H, that a variety of modifications of the embodiment of the light guide is possible. It should be noted that the various possibilities illustrated in FIGS. 4A-4H may be combined. For example, the light guide 42E may have a rounded surface as the light guide 42B, or each of the straight light guide, which are illustrated may be like the light guide 42D bent.

It is also to be noted that the various cross-sections shown in FIGS. 4A-4H may be used in any of the embodiments of FIGS. 2A-2F.

It is further noted that to be used as an optical waveguide in the case where light pipes, intermediate material may be selected between the individual optical fibers of the light pipe in order to achieve desired light-guiding characteristics of the light pipes. For example, a perceived contrast and viewing angle of the light pipe can be changed by varying the intermediate material.

In FIG. 8 is a perspective view of an embodiment is illustrated. In which

Embodiment of Fig. 5 is a display 50, such as an OLED display, through a fiber optic lens 51 covered, that is a glass which is made by optical fibers are fused with each other (that is, in essence, a thin light pipe), which formed a subsequent comprises cylindrical light pipe 52nd In other words 5 the light pipe 52 and the fiber optic glass 51 are in the embodiment of FIG. In

Substantially formed as a single light pipe, said light pipe projects out of the planar optical glass fiber 51 the 52nd The fiber optic glass 51 is connected to the display 50th It is to be noted that instead of a cylindrical shape for the light tube 52, any other shape can be used, such as a that discussed with reference to FIGS. 1 -4 shapes.

In FIG. 6, an example of a display unit is shown installed 60 according to an embodiment in a cockpit of a car. The display unit 60 comprises an electronic display for displaying information, whereby parts of the display are covered by a shutter 63, other parts by light guide 61, 62 are covered, and another portion is left free 64th In the part which is covered by the light guide 61, information such as temperature or speed display. In an area covered by the light guide portion 62 information such as current speed or level of the tank are shown. In a section 64 drive assistant information is shown regarding the distance to a preceding vehicle. As can be seen, the parts of the display which appear on the

Optical fibers 61, 62 are covered, because of the light-conducting properties of this closer to a viewer than the displayed section 64 information without an optical fiber, producing a three-dimensional impression.

In Fig. 7 is a possibility of manufacturing a display unit such as the illustrated 6 shown in Fig.. An electronic display 70, in the illustrated example, an OLED display is provided. Fiberoptic light pipes 71, 72 are joined at the desired locations with the display 70th Then, an aluminum plate 73 with edges 75 is for

Surrounding the light pipes 71, attached 72 to the display 70, for example, using mounting holes on the side of the aluminum plate 73 to secure the aluminum plate 73 to a support structure, which is located in the vehicle behind the display 70th

Finally, a screen which can be made of black ABS plastic and bears the reference numeral in Fig. 7 74 is provided, which covers portions of the display 70 which are not used to display information.

In FIG. 8, a method for producing a different display unit according to a

Embodiment shown. In FIG. 8 is an electronic, such as an OLED display indicator is provided. Optical fiber 81 A, 82B, which may be the light pipes shown in Fig. 3B similarly, ie light conductor having an outer and an inner section, to be connected to the display 80. Next, an aluminum plate is attached to the display 80 82, wherein the aluminum plate 82. Aluminum rings 83 of the outer to surround

Portions of the optical fibers 81 A, B comprising 81st Plastic rings 84A and 84B, for example, made of black ABS plastic, are provided to the inner portions of the

to surround the light guide 81A and 82B. Finally, an aperture 85, which in turn can be made of black ABS plastic is provided.

In Fig. 9 is another example of a display unit in a cockpit of a

is usable vehicle is illustrated. The display unit of Fig. 9 can be used in particular as a display unit for navigation systems. In the example of Fig. 9, a light guide 90 having an inner portion and an outer portion similar to the light guide 31 of Figs. 3B and two cylindrical light guide 91 provided 92 to generate a three-dimensional appearance. Apart from the light guides also portions of the display are used without light guide to display information.

In Fig. 10, a further embodiment of a usable in a cockpit of a car display unit is shown. The display unit of Fig. 10 comprises a light guide 102 having a large diameter and two light guides 100, 101 with all light guides having smaller diameter, a substantially cylindrical shape. In the field of display, which is covered by the light guide 102, speed information, and

Navigation information displayed while in the area covered by the optical fibers 100, 101 areas, for example, battery information can be displayed. Other portions of the display can be used to provide information without an optical fiber would be laid over it.

Display units can, as discussed above, are used in vehicles, such as cars. For example, a vehicle 1 10 is shown in FIG. 11, in which a

Display unit 1 1 1 is provided as an instrument panel for a driver. The display unit 1 1 1 may be configured as discussed with respect to any of the embodiment described with reference to FIGS. 1-10. It should be noted that display units as discussed here can be used not only in cars but also in other motorized vehicles because in virtually all types of motorized vehicles such as motorcycles, ships or aircraft instrument panels are required to provide information to a driver of the vehicle ,

While in some cases, specific materials were used in the description, such as aluminum or ABS plastic, other materials, such as other metals or other plastics are used as well. As already emphasized, the embodiments described above are merely illustrative examples, and the scope of the present application is not limited to these embodiments.

Claims

claims
1. Display unit (60; 11) for a vehicle (1 10), comprising:
an electronic display (10; 20; 40; 50; 70; 80), which is designed
displaying information to an occupant of the vehicle (110), and
a with a portion of the display (10; 20; 40; 50; 70; 80) coupled to the light guide (12; 21, 22; 25, 26; 27; 28; 29, 210; 30, 31; 42A-42H; 43; 52; 61, 62; 71, 72; 81 a, 81 B; 90, 91, 92; 101, 102, 103) in order to direct light, which represents at least part of the information at predetermined locations for viewing, which by the electronic display (10; 20; 40; 50; 70; 80) are spaced apart.
2. Display unit (60; 1 1 1) of claim 1, wherein the light guide (12; 21, 22; 25, 26; 27;
28; 29, 210; 30, 31; 42A-42H; 43; 52; 61, 62; 71, 72; 81 A, 81 B; 90, 91, 92; 101, 102,
103) based on optical fibers.
3. Display unit (60; 1 1 1) of claim 2, wherein the light guide (12; 21, 22; 25, 26; 27;
28; 29, 210; 30, 31; 42A-42H; 43; 52; 61, 62; 71, 72; 81 A, 81 B; 90, 91, 92; 101, 102, 103) comprises a plurality of interconnected optical fibers.
4. Display unit (60; 1 1 1) according to one of claims 1 -3, further comprising a
further light guide (12; 21, 22; 25, 26; 27; 28; 29, 210; 30, 31; 42A-42H; 43; 52; 61, 62; 71, 72; 81 A, 81 B; 90, 91 , 92; 101, 102, 103) which is coupled to another portion of the display to the light having at least another part of the
directing apart locations, wherein the further predetermined locations are different from the predetermined locations representing information to more of the electronic display (80 10; 20; 40; 50;; 70).
5. display unit (60; 1 1 1) according to claim 4, wherein distances of the further predetermined locations of the electronic display (40) differ from intervals of the predetermined places of the electronic display (40).
6. Display unit (60; 11 1) according to any one of claims 1-5, wherein the light guide (25, 26;
29, 210; 31; 42C; 81 A, 81 B; 90) a first portion (25A, 26A; 29A; 210A; includes 31 B), wherein a thickness of the first portion (25A, 26A; 31; A) and a second portion (25B, 26B; 29B, 21 OB 29A; 210A ; 31 a) perpendicular (in a direction to a surface of the electronic display 20; 40; 80) is smaller than a thickness of the second portion (25B, 26b; 29B, 21 OB, 31 B) in the direction of the direction perpendicular to the surface of the electronic display (20; 40; 80).
7. Display unit (60; 111) according to claim 6, wherein the first portion (25A, 26A; 29A;
21 OA; 31 A) the second portion (25B, 26B; B) 31 surrounds at least partially; 29B, 21 OB.
8. display unit (60; 111) of claim 7, wherein the second portion (25B, 26B; 29B, 21 OB, 31 B) arranged in a concentric manner and the first portion (31A 25A, 26A;; 29A, 21 OA) are.
9. Display unit (60; 111) according to any one of claims 1-8, wherein the light guide (12; 21, 22; 25, 26; 27; 28; 29, 210; 30, 31; 42A-42H; 43; 52; comprises 101, 102, 103) has a shape which is selected from the group consisting of a cylindrical shape, a ring shape, an elongated shape and a; 61, 62; 71, 72; 81 a, 81 B; 90, 91, 92 portion of a ring shape.
10. Display unit (60; 111) according to any of claims 1-9, wherein a surface of a surface of the light guide (12; 21, 22; 25, 26; 27; 28; 29, 210; 30, 31; 42A-42H; 43; 52; 61, 62; 71, 72; 81 a, 81 B; 90, 91, 92; 101, 102, 103) opposite one of the electronic display (10; 20; 40; 50; 70; 80) facing surface is selected from the group consisting of a flat shape and a rounded shape.
11. Display unit (60; 111) according to any one of claims 1-10, wherein the light guide (12; 21, 22; 25, 26; 27; 28; 29, 210; 30, 31; 42A-42H; 43; 52; 61, 62; 71, 72; 81 A, 81 B; 90, 91, 92; 101, 102, 103) is connected to the electronic display.
12. Display unit (60; 111) according to any one of claims 1-11, wherein the light conductor comprises a planar portion (51) having a surface of the electronic display (50) is covered, and a further portion (52), which from the planar portion projecting (51) comprises.
13. Display unit (60; 111) according to any one of claims 1-12, further comprising a shutter (11; 41A-41H; 63; 74; 85) forming part of the electronic display (10; 20; 40; 50; 70 ; 80) covers.
14. Display unit (60; 111), wherein the light guide (42D; 42E) has a curved shape.
15. A vehicle (1 10) comprising a display unit '(60; 11 1) according to any one of claims 1- fourteenth
16. A method for manufacturing a display unit, comprising:
Providing an electronic display (70; 80) and
Connecting a light guide (71, 72; 81 A, 81 B) with the electronic display (70; 80) such that the light guide (71, 72; 81 A, 81 B) is arranged to emit light having at least a portion of displayed, on the electronic display (80 70)
represents information, is directed at predetermined locations, which of the electronic display (70; 80) are spaced apart.
17. The method of claim 16, further comprising mounting a plate (73; 82) on the display (70; 80), said plate (73; 82) rings (75; 83) for surrounding the light guide (71, 72; 81 A, 81 B).
18. The method of claim 15, further comprising attaching a diaphragm (84; 85) on the electronic display (70; 80).
EP20120733589 2011-05-13 2012-05-11 Display unit for a vehicle Pending EP2707239A1 (en)

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WO2012156063A1 (en) 2012-11-22 application
CN103687743A (en) 2014-03-26 application
CN103687743B (en) 2016-11-09 grant
US20120287664A1 (en) 2012-11-15 application

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