WO2013189808A1 - Head-up display for motor vehicles for displaying images in a plurality of image planes - Google Patents

Head-up display for motor vehicles for displaying images in a plurality of image planes Download PDF

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Publication number
WO2013189808A1
WO2013189808A1 PCT/EP2013/062174 EP2013062174W WO2013189808A1 WO 2013189808 A1 WO2013189808 A1 WO 2013189808A1 EP 2013062174 W EP2013062174 W EP 2013062174W WO 2013189808 A1 WO2013189808 A1 WO 2013189808A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
head
mirror
image source
combiner
Prior art date
Application number
PCT/EP2013/062174
Other languages
German (de)
French (fr)
Inventor
Hans-Peter Kreipe
Willi JUSCHTSCHENKO
Original Assignee
Continental Automotive Gmbh
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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2013189808A1 publication Critical patent/WO2013189808A1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3626—Details of the output of route guidance instructions
    • G01C21/3632—Guidance using simplified or iconic instructions, e.g. using arrows
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3626—Details of the output of route guidance instructions
    • G01C21/365—Guidance using head up displays or projectors, e.g. virtual vehicles or arrows projected on the windscreen or on the road itself
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0127—Head-up displays characterised by optical features comprising devices increasing the depth of field

Definitions

  • the invention relates to a head-up display in a motor vehicle, the head-up display having a first image source, the light beams of which are reflected by a first mirror and a magnifying mirror onto a combiner and from there to an observer, so that the observer can perceive the image content of the image source in a first image plane behind the combiner.
  • the magnifying mirror ensures that the distance of the first image plane from the combiner is substantially greater than the distance of the image source from the combiner.
  • the beam path between the image source and the combiner is about 50 cm long, while the perceptible image plane is noticeable at a distance of 2.50 m behind the combiner, for example.
  • a disadvantage of the currently existing head-up displays is that a simple representation of a spatial representation can not be re ⁇ alised.
  • the object of the invention is therefore to realize a simple representation of an image representation in more than one plane by means of a head-up display.
  • This object is achieved in that in the head-up display, a second image source is present, the light rays are also reflected from the magnifying mirror on the combiner and from there to the observer, the length of the beam path between the second image source and the Ver ⁇ is magnifying mirror different gel to the length of the beam ⁇ passage between the first video source and the Veriesrungsspie-, so that the observer the image content of the second image source in a second image plane can perceive.
  • the magnifying mirror for light beams ⁇ both the first and the second image source is a compact structure is Reach.
  • the image source can be configured as Radioscopy liquid crystal display, OLED or LED's matrix electro-optical display, such as ⁇ example.
  • the structure can be further simplified if the first mirror is semipermeable and the light beams of the second display penetrate the first mirror from its rear side. This ensures that the beam path between the first mirror and the combiner for the light beams of the two light sources is the same.
  • the length of the beam path of the second image source from the second image source to the magnifying mirror is smaller than the length of the beam path of the first image source from the ers ⁇ th image source to the magnifying mirror, a particularly compact head-up display can be realized. So it is possible to play ⁇ In the second image source adjacent to the first mirror to arrange. In this case, the second image source can transmit its rays through the first mirror to the magnifying mirror with appropriate design of the first mirror, or else be arranged next to the first mirror and also transmit its rays into the magnifying mirror.
  • the representations of the two image planes may overlap, whereas in the second alternative the representation of the image planes is adjacent.
  • the two image planes are superimposed, it makes sense to control the overlapping regions of the image planes in such a way that per perceptible point a maximum of either one point of the first image source or of the second image source is perceptible.
  • the beam path can be folded in addition, so that the head-up display can be made even more compact.
  • the head-up display is constructed when the windshield of the motor vehicle ⁇ is designed as a combiner, or contains the windshield of the motor vehicle, the combiner.
  • the first, and if present, the second mirror are preferably configured plan before ⁇ .
  • Particularly easy dargestell ⁇ th on the head-up display information for the drivers are perceived as different reference categories are represented in the different image planes.
  • Navigation instructions are in the image plane, which is the combiner on ent ⁇ remotely test particularly well represented, since then ⁇ example, a turn arrow is displayed that it is perceptible on the road to be used.
  • Figure 1 is a sketch of a first embodiment of the present invention head-up display with a partial representation of the motor vehicle, in which the head-up display is installed and an eye of an observer
  • Figure 2 is a sketchy representation of the interior of a
  • the embodiment of the head-up display according to the invention comprises a first image source 1, a first mirror 2, a magnifying mirror 3, a combiner 4 in the form of a part of the windshield WS and a second display 5.
  • Light rays LS of the first image source 1 are reflected by the first mirror 2 to the mirror 3, which in turn expands the Strah ⁇ beam path and reflects it light beams incident LS to the combiner.
  • the rays of light LS to the eye E of an observer is otherwise not illustrated are ge ⁇ sandt from the combiner.
  • the light beams of the light source LS 5 penetrate unhindered to the first mirror 2 and will also be reflected by the Verkett ⁇ approximately mirror 3 back to combiner 4 and from there also into the eye E of the ones shown, otherwise not easily observer.
  • the observer can perceive an arrow A in a first image plane PI and a warning in the form of a traffic sign S in a second image plane P2.
  • the representation of the perceptible in the first image plane arrow A is generated by the first image source 1 and the representation of the warning sign S in the second image plane P2 by the second image source. 5
  • the distances of the first image plane PI and the second image plane P2 to the combiner 4 are not shown to scale, for example, the distance of the second image plane P2 from the Windscreen about 2 m and the distance of the first image plane PI of the windshield about 7 to 8 m.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Instrument Panels (AREA)

Abstract

The invention relates to a motor vehicle having a head-up display, wherein the head-up display has a first image source (1), the light beams of which are reflected by a first mirror (2) and a magnifying mirror (3) onto a combiner (4) and reflected from there to an observer E, so that the observer can perceive the image content of the image source (1) in a first image plane P1 behind the combiner (4), wherein a second image source (2) is present, the light beams of which are likewise reflected by the magnifying mirror (3) onto the combiner and from there to the observer E, wherein the length of the beam path between the second image source (2) and the magnifying mirror (3) is different from the length of the beam path between the first image source (1) and the magnifying mirror (3), so that the observer can perceive the image content of the second image source (2) in a second image plane P2.

Description

Beschreibung description
HEAD-UP-DISPLAY FÜR KRAFTFAHRZEUGE ZUR BILDDARSTELLUNG IN MEHREREN BILDEBENEN Die Erfindung betrifft ein Head-up-Display in einem Kraftfahrzeug, wobei das Head-up-Display eine erste Bildquelle aufweist, deren Lichtstrahlen von einem ersten Spiegel und einem Vergrößerungsspiegel auf einen Combiner reflektiert und von dort zu einem Beobachter reflektiert werden, so dass der Beobachter den Bildinhalt der Bildquelle in einer ersten Bildebene hinter dem Combiner wahrnehmen kann. Durch den Vergrößerungsspiegel wird erreicht, dass die Entfernung der ersten Bildebene von dem Combiner wesentlich größer ist als die Entfernung der Bildquelle zu dem Combiner. Bei derzeit in Kraftfahrzeugen vorhandenen Head-up-Displays ist beispielsweise der Strahlengang zwischen der Bildquelle und dem Combiner etwa 50 cm lang, während die wahrnehmbare Bildebene beispielsweise in einer Entfernung von 2,50 m hinter dem Combiner wahrnehmbar ist. Nachteilig bei dem derzeit vorhandenen Head-up-Displays ist es, dass mit einfachen Mitteln eine räumliche Darstellung nicht re¬ alisiert werden kann. The invention relates to a head-up display in a motor vehicle, the head-up display having a first image source, the light beams of which are reflected by a first mirror and a magnifying mirror onto a combiner and from there to an observer, so that the observer can perceive the image content of the image source in a first image plane behind the combiner. The magnifying mirror ensures that the distance of the first image plane from the combiner is substantially greater than the distance of the image source from the combiner. For example, in existing in-vehicle head-up displays, the beam path between the image source and the combiner is about 50 cm long, while the perceptible image plane is noticeable at a distance of 2.50 m behind the combiner, for example. A disadvantage of the currently existing head-up displays is that a simple representation of a spatial representation can not be re ¬ alised.
Aufgabe der Erfindung ist es daher, eine einfache Darstellung von einer Bilddarstellung in mehr als einer Ebene mittels eines Head-up-Displays zu realisieren. The object of the invention is therefore to realize a simple representation of an image representation in more than one plane by means of a head-up display.
Diese Aufgabe wird dadurch erreicht, dass in dem Head-up- Display eine zweite Bildquelle vorhanden ist, deren Lichtstrah- len ebenfalls von dem Vergrößerungsspiegel auf den Combiner und von dort zu dem Beobachter reflektiert werden, wobei die Länge des Strahlenganges zwischen der zweiten Bildquelle und dem Ver¬ größerungsspiegel verschieden ist zu der Länge des Strahlen¬ gangs zwischen der ersten Bildquelle und dem Vergrößerungsspie- gel, so dass der Beobachter den Bildinhalt der zweiten Bild- quelle in einer zweiten Bildebene wahrnehmen kann. Durch die gleichzeitige Benutzung des Vergrößerungsspiegels für Licht¬ strahlen sowohl der ersten wie der zweiten Bildquelle wird ein kompakter Aufbau erreich. Weiterhin kann so beispielsweise eine für den Kraftfahrer relevante Information in einer zu dem Com- biner näheren Bildebene dargestellt werden und für den Kraft¬ fahrer weniger relevante Information in der Bildebene dargestellt werden, die entfernter von dem Combiner wahrnehmbar ist. Die Bildquelle kann als elektrooptische Anzeige, wie beispiels¬ weise als durchleuchtbares Flüssigkristalldisplay, OLED oder Leuchtdiodenmatrix ausgestaltet sein. This object is achieved in that in the head-up display, a second image source is present, the light rays are also reflected from the magnifying mirror on the combiner and from there to the observer, the length of the beam path between the second image source and the Ver ¬ is magnifying mirror different gel to the length of the beam ¬ passage between the first video source and the Vergrößerungsspie-, so that the observer the image content of the second image source in a second image plane can perceive. By the simultaneous use of the magnifying mirror for light beams ¬ both the first and the second image source is a compact structure is Reach. Further, for example, be relevant to the driver information are displayed in a closer to the image plane and combiners are shown for the motor driver ¬ less relevant information in the image plane that is perceptible farther from the combiner. The image source can be configured as Radioscopy liquid crystal display, OLED or LED's matrix electro-optical display, such as ¬ example.
Der Aufbau lässt sich weiter vereinfachen, wenn der erste Spie- gel halbdurchlässig ausgebildet ist und die Lichtstrahlen des zweiten Displays den ersten Spiegel von seiner Rückseite her durchdringen. Hierdurch wird erreicht, dass der Strahlengang zwischen dem ersten Spiegel und dem Combiner für die Lichtstrahlen der beiden Lichtquellen gleich ist. The structure can be further simplified if the first mirror is semipermeable and the light beams of the second display penetrate the first mirror from its rear side. This ensures that the beam path between the first mirror and the combiner for the light beams of the two light sources is the same.
Wenn die Länge des Strahlengangs der zweiten Bildquelle von der zweiten Bildquelle bis zum Vergrößerungsspiegel kleiner ist als die Länge des Strahlenganges der ersten Bildquelle von der ers¬ ten Bildquelle bis zum Vergrößerungsspiegel, kann ein besonders kompaktes Head-up-Display realisiert werden. So ist es zum Bei¬ spiel möglich, die zweite Bildquelle benachbart zu dem ersten Spiegel anzuordnen. Hierbei kann die zweite Bildquelle ihre Strahlen bei entsprechender Ausbildung des ersten Spiegels durch den ersten Spiegel hindurch zum Vergrößerungsspiegel sen- den, oder aber neben dem ersten Spiegel angeordnet sein und ihre Strahlen ebenfalls in den Vergrößerungsspiegel senden. If the length of the beam path of the second image source from the second image source to the magnifying mirror is smaller than the length of the beam path of the first image source from the ers ¬ th image source to the magnifying mirror, a particularly compact head-up display can be realized. So it is possible to play ¬ In the second image source adjacent to the first mirror to arrange. In this case, the second image source can transmit its rays through the first mirror to the magnifying mirror with appropriate design of the first mirror, or else be arranged next to the first mirror and also transmit its rays into the magnifying mirror.
Bei der erstgenannten Alternative können sich die Darstellungen der beiden Bildebenen überlagern, während bei der zweiten Al- ternative die Darstellung der Bildebenen benachbart ist. Bei einer Überlagerung der beiden Bildebenen ist es sinnvoll, die sich überdeckenden Bereiche der Bildebenen jeweils so anzusteuern, dass pro wahrnehmbaren Punkt maximal entweder ein Punkt der ersten Bildquelle oder der zweiten Bildquelle wahrnehmbar ist. In the former alternative, the representations of the two image planes may overlap, whereas in the second alternative the representation of the image planes is adjacent. When the two image planes are superimposed, it makes sense to control the overlapping regions of the image planes in such a way that per perceptible point a maximum of either one point of the first image source or of the second image source is perceptible.
Wenn das Head-up-Display neben dem ersten Spiegel und dem Vergrößerungsspiegel einen zweiten Spiegel aufweist, kann der Strahlengang zusätzlich gefaltet werden, so dass das Head-up- Display noch kompakter aufgebaut werden kann. Besonders einfach und dauerhaft ist das Head-up-Display aufgebaut, wenn die Wind¬ schutzscheibe des Kraftfahrzeuges als Combiner ausgebildet ist, oder die Windschutzscheibe des Kraftfahrzeuges den Combiner enthält. If the head-up display next to the first mirror and the magnifying mirror has a second mirror, the beam path can be folded in addition, so that the head-up display can be made even more compact. Particularly simple and durable, the head-up display is constructed when the windshield of the motor vehicle ¬ is designed as a combiner, or contains the windshield of the motor vehicle, the combiner.
Der erste, und sofern vorhanden, der zweite Spiegel sind vor¬ zugsweise plan ausgestaltet. Besonders einfach sind die auf dem Head-up-Display dargestell¬ ten Informationen für den Kraftfahrer wahrnehmbar, wenn in den unterschiedlichen Bildebenen unterschiedliche Hinweiskategorien darstellbar sind. Hierbei ist es bevorzugt, Warnhinweise und/oder zu Betriebsparametern des Kraftfahrzeuges in der Bild- ebene darzustellen, die dem Combiner am nächsten liegt. Navigationshinweise sind in der Bildebene, die dem Combiner am ent¬ ferntesten liegt, besonders gut darstellbar, da dann beispiels¬ weise ein Abbiegepfeil so darstellbar ist, dass er auf der zu benutzenden Fahrbahn wahrnehmbar ist. The first, and if present, the second mirror are preferably configured plan before ¬. Particularly easy dargestell ¬ th on the head-up display information for the drivers are perceived as different reference categories are represented in the different image planes. In this case, it is preferable to display warnings and / or operating parameters of the motor vehicle in the image plane which is closest to the combiner. Navigation instructions are in the image plane, which is the combiner on ent ¬ remotely test particularly well represented, since then ¬ example, a turn arrow is displayed that it is perceptible on the road to be used.
Die Erfindung wird nachfolgend anhand der Figuren näher erläu¬ tert. Es zeigen: The invention is described in more detail erläu tert ¬ with reference to FIGS. Show it:
Figur 1 eine skizzenhafte Darstellung eines ersten Ausfüh- rungsbeispiels des erfindungsgemäßen Head-up-Displays mit einer teilweisen Darstellung des Kraftfahrzeuges, in die das Head-up-Display eingebaut ist und ein Auge eines Beobachters, Figur 2 eine skizzenhafte Darstellung des Innenraumes eines Figure 1 is a sketch of a first embodiment of the present invention head-up display with a partial representation of the motor vehicle, in which the head-up display is installed and an eye of an observer, Figure 2 is a sketchy representation of the interior of a
Kraftfahrzeuges mit Ausblick durch die Windschutzscheibe, wobei für den Kraftfahrer in einer ersten Stellungsebene ein Hinweis von Betriebsparametern und in der zweiten Bildebene ein Abbiegepfeil eines Navi- gationssystems dargestellt wird.  Motor vehicle with a view through the windshield, wherein for the motorist in a first position level an indication of operating parameters and in the second image plane a turn-off arrow of a navigation system is shown.
Das Ausführungsbeispiel des erfindungsgemäßen Head-up-Displays weist eine erste Bildquelle 1, einen ersten Spiegel 2, einen Vergrößerungsspiegel 3, einen Combiner 4 in Form eines Teils der Windschutzscheibe WS und ein zweites Display 5 auf. DieThe embodiment of the head-up display according to the invention comprises a first image source 1, a first mirror 2, a magnifying mirror 3, a combiner 4 in the form of a part of the windshield WS and a second display 5. The
Lichtstrahlen LS der ersten Bildquelle 1 werden von dem ersten Spiegel 2 zu dem Spiegel 3 reflektiert, der wiederum den Strah¬ lengang weitet und die ihn treffenden Lichtstrahlen LS zum Combiner 4 reflektiert. Vom Combiner 4 werden die Lichtstrahlen LS zum Auge E eines ansonsten nicht dargestellten Beobachters ge¬ sandt. Die Lichtstrahlen LS der Lichtquelle 5 durchdringen ungehindert den ersten Spiegel 2 und werden von dem Vergröße¬ rungsspiegel 3 ebenfalls wieder zum Combiner 4 reflektiert und von dort ebenfalls in das Auge E des ansonsten nicht darge- stellten Beobachters. So kann der Beobachter in einer ersten Bildebene PI einen Pfeil A und in einer zweiten Bildebene P2 einen Warnhinweis in Form eines Verkehrszeichens S wahrnehmen. Hierbei wird die Darstellung des in der ersten Bildebene wahrnehmbaren Pfeiles A durch die erste Bildquelle 1 generiert und die Darstellung des Warnzeichens S in der zweiten Bildebene P2 durch die zweite Bildquelle 5. Light rays LS of the first image source 1 are reflected by the first mirror 2 to the mirror 3, which in turn expands the Strah ¬ beam path and reflects it light beams incident LS to the combiner. 4 The rays of light LS to the eye E of an observer is otherwise not illustrated are ge ¬ sandt from the combiner. 4 The light beams of the light source LS 5 penetrate unhindered to the first mirror 2 and will also be reflected by the Vergröße ¬ approximately mirror 3 back to combiner 4 and from there also into the eye E of the ones shown, otherwise not easily observer. Thus, the observer can perceive an arrow A in a first image plane PI and a warning in the form of a traffic sign S in a second image plane P2. Here, the representation of the perceptible in the first image plane arrow A is generated by the first image source 1 and the representation of the warning sign S in the second image plane P2 by the second image source. 5
Die Abstände der ersten Bildebene PI und der zweiten Bildebene P2 zum Combiner 4 sind nicht maßstabsgerecht dargestellt, bei- spielsweise kann der Abstand der zweiten Bildebene P2 von der Windschutzscheibe etwa 2 m betragen und der Abstand der ersten Bildebene PI von der Windschutzscheibe etwa 7 bis 8 m. The distances of the first image plane PI and the second image plane P2 to the combiner 4 are not shown to scale, for example, the distance of the second image plane P2 from the Windscreen about 2 m and the distance of the first image plane PI of the windshield about 7 to 8 m.
In Figur 2 erkennt man neben einem Lenkrad LR und der Wind- schutzscheibe WS und dem dazugehörigen Rahmen R in der Windschutzscheibe WS, die zweite Bildebene P2, die näher zur Wind¬ schutzscheibe hin zu sein scheint und im Beispiel eine Ge¬ schwindigkeit anzeigt, und die erste Bildebene PI, in der ein Abbiegepfeil dargestellt wird. Weiterhin erkennt man in Figur 2 auch noch die Umgebung der durch die Windschutzscheibe wahrnehmbaren Umgebung des Kraftfahrzeuges. In Figure 2 it can be seen next to a steering wheel LR and the windshield WS and the associated frame R in the windshield WS, the second image plane P2, which is closer windshield to wind ¬ seems to be back and in the example indicates a Ge ¬ speed, and the first image plane PI, in which a turn-off arrow is displayed. Furthermore, it can be seen in Figure 2, even the environment of perceptible by the windshield environment of the motor vehicle.

Claims

Patentansprüche claims
1. Head-up-Display in einem Kraftfahrzeug, wobei das Head-up- Display eine erste Bildquelle (1) aufweist, deren Licht- strahlen (LS) von einen erstem Spiegel (2) und einem Vergrößerungsspiegel (3) auf einen Combiner (4) reflektiert und von dort zu einem Beobachter (E) reflektiert werden, so dass der Beobachter (E) den Bildinhalt der Bildquelle (1) in einer ersten Bildebene (PI) hinter dem Combiner (4) wahrnehmen kann, d a d u r c h g e k e n n z e i c h n e t , dass eine zweite Bildquelle (5) vorhanden ist, de¬ ren Lichtstrahlen (LS) ebenfalls von dem Vergrößerungs¬ spiegel (3) auf den Combiner (4) und von dort zu dem Beob¬ achter (E) reflektiert werden, wobei die Länge des Strah- lengangs zwischen der zweiten Bildquelle (5) und dem Ver¬ größerungsspiegel (3) verschieden ist zu der Länge des Strahlenganges zwischen der ersten Bildquelle (1) und dem Vergrößerungsspiegel (3), so dass der Beobachter (E) den Bildinhalt der zweiten Bildquelle (5) in einer zweiten Bildebene (P2) wahrnehmen kann. 1. Head-up display in a motor vehicle, wherein the head-up display has a first image source (1) whose light beams (LS) from a first mirror (2) and a magnifying mirror (3) on a combiner ( 4) and reflected from there to an observer (E), so that the observer (E) can perceive the image content of the image source (1) in a first image plane (PI) behind the combiner (4), characterized in that a second Image source (5) is present, de ¬ Ren light beams (LS) are also reflected by the magnification ¬ mirror (3) on the combiner (4) and from there to the Beob ¬ achter (E), wherein the length of the beam lergangs between said second image source (5) and the Ver ¬ magnifying mirror (3) is different to the length of the beam path between the first image source (1) and the magnifying mirror (3), so that the observer (e) (the image content of the second image source 5 ) in a second image plane (P2) n.
2. Head-up-Display nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , dass der erste Spiegel (2) halb¬ durchlässig ausgebildet ist, und die Lichtstrahlen der zweiten Bildquelle (5) den ersten Spiegel (2) von seiner2. Head-up display according to claim 1, characterized in that the first mirror (2) is semi ¬ permeable, and the light beams of the second image source (5) the first mirror (2) from its
Rückseite her durchdringen. Penetrate the back.
3. Head-up-Display nach einem der vorstehenden Ansprüche, 3. Head-up display according to one of the preceding claims,
d a d u r c h g e k e n n z e i c h n e t , dass die Länge des Strahlengangs der zweiten Bildquelle (5) von der zwei¬ ten Bildquelle (5) bis zum Vergrößerungsspiegel (3) klei¬ ner ist als die Länge des Strahlengangs der ersten Bild¬ quelle (1) von der ersten Bildquelle (1) bis zum Vergröße¬ rungsspiegel (3) . characterized in that the length of the beam path of the second image source (5) of the two ¬ th image source (5) to the magnifying mirror (3) klei ¬ ner than the length of the beam path of the first image ¬ source (1) from the first image source ( 1) to the Vergröße ¬ approximately mirror (3).
4. Head-up-Display nach Anspruch 3, d a d u r c h g e k e n n z e i c h n e t , dass die zweite Bildquelle (5) be¬ nachbart zu dem ersten Spiegel (2) angeordnet ist. 4. Head-up display according to claim 3, characterized in that the second image source (5) be ¬ adjacent to the first mirror (2) is arranged.
5. Head-up-Display nach einem der vorstehenden Ansprüche, 5. Head-up display according to one of the preceding claims,
d a d u r c h g e k e n n z e i c h n e t , dass es einen zweiten Spiegel aufweist.  It is not possible that it has a second mirror.
6. Head-up-Display nach einem der vorstehenden Ansprüche, 6. Head-up display according to one of the preceding claims,
d a d u r c h g e k e n n z e i c h n e t , dass die Wind¬ schutzscheibe (WS) des Kraftfahrzeuges als Combiner ($) ausgebildet ist oder den Combiner ($) enthält. characterized in that the windshield ¬ (WS) of the motor vehicle as a combiner ($) is formed or contains the combiner ($).
7. Head-up-Display nach einem der vorstehenden Ansprüche, 7. Head-up display according to one of the preceding claims,
d a d u r c h g e k e n n z e i c h n e t , dass in den un¬ terschiedlichen Bildebenen (PI, P2) unterschiedliche Hinweiskategorien darstellbar sind. characterized in that in the different image ¬ planes (PI, P2) different categories of information can be displayed.
8. Head-up-Display nach Anspruch 7, d a d u r c h g e k e n n z e i c h n e t , dass in der Bildebene (P2) , die dem Combiner (4) am nächsten liegt, Warnhinweise und/oder Hinweise zu Betriebsparametern des Kraftfahrzeuges dar¬ stellbar sind. 8. Head-up display according to claim 7, characterized in that in the image plane (P2), which is closest to the combiner (4), warnings and / or instructions on operating parameters of the motor vehicle are ¬ representable .
9. Head-up-Display nach Anspruch 7 oder 8, d a d u r c h 9. Head-up display according to claim 7 or 8, d a d u r c h
g e k e n n z e i c h n e t , dass in der Bildebene (PI) , die dem Combiner (4) am entferntesten liegt, Navigationshinweise darstellbar sind.  In the image plane (PI), which is furthest from the combiner (4), navigation instructions can be displayed.
PCT/EP2013/062174 2012-06-20 2013-06-12 Head-up display for motor vehicles for displaying images in a plurality of image planes WO2013189808A1 (en)

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