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DE10153031A1 - Motor vehicle headlamp e.g. for automobiles, has variable brightness/darkness boundary switched over for left- right-traffic conditions - Google Patents

Motor vehicle headlamp e.g. for automobiles, has variable brightness/darkness boundary switched over for left- right-traffic conditions

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Publication number
DE10153031A1
DE10153031A1 DE10153031A DE10153031A DE10153031A1 DE 10153031 A1 DE10153031 A1 DE 10153031A1 DE 10153031 A DE10153031 A DE 10153031A DE 10153031 A DE10153031 A DE 10153031A DE 10153031 A1 DE10153031 A1 DE 10153031A1
Authority
DE
Germany
Prior art keywords
light
vehicle headlight
electro
optical elements
headlight according
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.)
Granted
Application number
DE10153031A
Other languages
German (de)
Other versions
DE10153031C2 (en
Inventor
Wolfgang Huhn
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
Original Assignee
Audi AG
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Filing date
Publication date
Application filed by Audi AG filed Critical Audi AG
Priority to DE10153031A priority Critical patent/DE10153031C2/en
Publication of DE10153031A1 publication Critical patent/DE10153031A1/en
Application granted granted Critical
Publication of DE10153031C2 publication Critical patent/DE10153031C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
    • B60Q1/085—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/18—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights being additional front lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/62—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution for adaptation between right-hand and left-hand traffic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/10—Indexing codes relating to particular vehicle conditions
    • B60Q2300/11—Linear movements of the vehicle
    • B60Q2300/112—Vehicle speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/10—Indexing codes relating to particular vehicle conditions
    • B60Q2300/13—Attitude of the vehicle body
    • B60Q2300/132—Pitch
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/20—Indexing codes relating to the driver or the passengers
    • B60Q2300/21—Manual control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/30—Indexing codes relating to the vehicle environment
    • B60Q2300/31—Atmospheric conditions
    • B60Q2300/312—Adverse weather
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

Die Erfindung betrifft einen Fahrzeugscheinwerfer (10). Um einen Fahrzeugscheinwerfer zur Verfügung zu stellen, welcher es in einfacher Art und Weise ermöglicht, den beleuchteten Bereich und insbesondere die Leuchtweite und/oder die Hell-/Dunkelgrenze (26, 28, 30, 32) während der Benutzung einzustellen, ist gemäß der Erfindung bei einem Fahrzeugscheinwerfer (10) mit individuell und/oder gruppenweise ansteuerbaren elektrooptischen Elementen vorgesehen, dass durch eine Steuerung (22) die elektrooptischen Elemente während der Benutzung derart selektiv ansteuerbar sind, dass dadurch die Leuchtweite und/oder die Hell-/Dunkelgrenze (26, 28, 30, 32) variiert wird.The invention relates to a vehicle headlight (10). In order to provide a vehicle headlight which makes it possible in a simple manner to adjust the illuminated area and in particular the lighting range and / or the light / dark limit (26, 28, 30, 32) during use, is according to the invention In the case of a vehicle headlight (10) with individually and / or group-controllable electro-optical elements, it is provided that a control (22) enables the electro-optical elements to be selectively controlled during use in such a way that the light range and / or the light / dark limit (26, 28, 30, 32) is varied.

Description

Die Erfindung betrifft einen Fahrzeugscheinwerfer. The invention relates to a vehicle headlight.

Aus WO 01/01038 A1 ist ein Fahrzeugscheinwerfer bekannt, welcher als Lichtquelle ein Feld individuell und gruppenweise ansteuerbarer elektrooptischer Elemente aufweist. Die elektrooptischen Elemente, die vorzugsweise als Leuchtdioden (LEDs) ausgeführt sind, sind derart ansteuerbar, dass in einer Ansicht von oben auf die Anordnungsebene des Fahrzeugscheinwerfers gesehen unterschiedliche Ausleuchtwinkel einstellbar sind. Die Einstellung der Ausleuchtwinkel kann sowohl in Abhängigkeit verschiedener Fahrzeugdaten als auch benutzerdefiniert erfolgen. From WO 01/01038 A1 a vehicle headlight is known, which as Light source a field individually and group controllable electro-optical Has elements. The electro-optical elements, preferably as Light-emitting diodes (LEDs) can be controlled in such a way that in one Top view of the arrangement level of the vehicle headlamp seen different illumination angles are adjustable. The setting of the Illumination angle can vary depending on different vehicle data also done user-defined.

Aus DE 197 27 701 A1 ist ferner ein Scheinwerfer bekannt, der eine Vielzahl von Lichtquellen, insbesondere Leuchtdioden (LEDs) aufweist, die einzeln oder in Gruppen mit optischen Mitteln versehen sind, die eine Fokussierung der Lichtstrahlen bewirken. Eine Einstellung der Lichtverteilung während des Betriebes ist bei dieser Anordnung nicht möglich. From DE 197 27 701 A1 a headlight is also known, which has a variety of light sources, in particular light emitting diodes (LEDs), which individually or are provided in groups with optical means that focus the Cause rays of light. An adjustment of the light distribution during the Operation is not possible with this arrangement.

Schließlich ist aus DE 197 04 466 A1 eine Einrichtung zur Regelung der Leuchtweite konventioneller Scheinwerfer bekannt, bei der mittels einer vorzugsweise Leuchtdioden aufweisenden Sendeeinrichtung und einer Sensoreinrichtung der vor einem Fahrzeug beleuchtete Bereich ermittelt und ggf. eingestellt wird. Finally, DE 197 04 466 A1 describes a device for regulating the Headlight range known conventional headlights, in which by means of a preferably having light emitting diodes and a transmitter Sensor device determines the area illuminated in front of a vehicle and if necessary is set.

Der Erfindung liegt die Aufgabe zugrunde, einen Fahrzeugscheinwerfer zur Verfügung zu stellen, welcher es in einfacher Art und Weise ermöglicht, den beleuchteten Bereich und insbesondere die Leuchtweite und/oder die Hell- Dunkelgrenze während der Benutzung einzustellen. The invention has for its object to provide a vehicle headlight To provide, which makes it possible in a simple manner, the illuminated area and in particular the lighting range and / or the bright Set the dark limit during use.

Die Lösung dieser Aufgabe erfolgt erfindungsgemäß mit den Merkmalen des Anspruchs 1 bzw. 3. This object is achieved according to the invention with the features of Claim 1 or 3.

Durch den erfindungsgemäßen Fahrzeugscheinwerfer ist es möglich, die Leuchtweite und/oder die Hell-Dunkelgrenze durch Ansteuerung von elektrooptischen Elementen während der Benutzung des Scheinwerfers einzustellen, ohne dass eine mechanische Verstellung des Scheinwerfers zu erfolgen hat. Dadurch wird Bauraum eingespart und der Scheinwerfer kann trotz Leuchtweiten- und oder Hell-Dunkelgrenzen-Einstellung ohne Spalt in eine beliebige Front eingebaut werden. The vehicle headlight according to the invention makes it possible to Headlight range and / or the cut-off line by controlling adjust electro-optical elements while using the headlight, without the headlamp having to be mechanically adjusted. This saves installation space and the headlight can despite Headlight range and / or light-dark limits setting without any gap in any Be installed at the front.

Vorzugsweise ist der erfindungsgemäße Fahrzeugscheinwerfer mit mindestens einem Zusatzblock mit mindestens einem elektrooptischen Element versehen, mit welchem eine für Links-/Rechtsverkehr umschaltbare Hell-Dunkelgrenze und/oder eine asymmetrische Beleuchtung einstellbar ist. Eine solche Ausgestaltung ermöglicht es, einen Standardfahrzeugscheinwerfer unabhängig von dem Einsatzland des Fahrzeuges zu verwenden. The vehicle headlight according to the invention is preferably at least provide an additional block with at least one electro-optical element, with which a light-dark boundary that can be switched for left-hand / right-hand traffic and / or asymmetrical lighting is adjustable. Such Design allows a standard vehicle headlight to be independent from the country of use of the vehicle.

Ein efindungsgemäßer Fahrzeugscheinwerfer, für den auch unabhängig von Anspruch 1 Schutz beansprucht wird, zeichnet sich durch mindestens einen Overhead-Block mit mindestens jeweils einem elektrooptischen Element aus, welcher nach oben ausgerichtet ist, vorzugsweise in einem engen Raumwinkel, vorzugsweise in einem Raumwinkel kleiner 20°, um Overhead-Anzeigen zu beleuchten. Dies ermöglicht es, einem Fahrzeugnutzer Overhead-Anzeigen zuverlässig ablesen zu können, welche bei normaler Beleuchtung im Dunkeln liegen. Eine solche Ausgestaltung ist insbesondere dann vorteilhaft, wenn der Overhead-Block manuell und/oder über eine Anzeigendetektiervorrichtung einschaltbar ist. A vehicle headlight according to the invention, for which also independent of Claim 1 protection is characterized by at least one Overhead block with at least one electro-optical element each, which is oriented upwards, preferably in a narrow solid angle, preferably at a solid angle of less than 20 ° in order to display overhead displays illuminate. This enables a vehicle user to view overhead to be able to reliably read which ones under normal lighting in the dark lie. Such a configuration is particularly advantageous if the Overhead block manually and / or via a display detection device can be switched on.

Wenn die elektrooptischen Elemente in mindestens zwei waagerechten, vorzugsweise geraden und vertikal zueinander versetzten Zeilen angeordnet sind, läßt sich die Steuerung besonders einfach aufbauen. If the electro-optical elements are in at least two horizontal, preferably straight and vertically offset rows are arranged, the control can be set up particularly easily.

Gemäß einer weiter bevorzugten Ausführungsform weisen einzelne und/oder mehrere elektrooptische Elemente eine Sekundäroptik auf. Dadurch ist es möglich, einen vor einem Fahrzeug, insbesondere einem Kraftfahrzeug ausgeleuchteten Bereich mit einfachen Mitteln individuell zu gestalten, ohne bei verschiedenen Fahrzeugen unterschiedliche Steuerungen zu verwenden. According to a further preferred embodiment, individual and / or several electro-optical elements on a secondary optics. That’s it possible one in front of a vehicle, especially a motor vehicle Customize the illuminated area with simple means, without using to use different controls for different vehicles.

Wenn jeder Zeile aus elektrooptischen Elementen eine Leuchtweite und/oder Hell-Dunkelgrenze zugeordnet ist, ist die Auslegung der Steuerung in besonders einfacher Art und Weise möglich. If each line of electro-optical elements has a light range and / or Light-dark limit is assigned, the control is designed in possible in a particularly simple manner.

Leuchtdioden haben den Vorteil, besonders zuverlässige und kostengünstige elektrooptische Elemente zu sein. LEDs have the advantage of being particularly reliable and inexpensive to be electro-optical elements.

Weitere vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen sowie aus der Beschreibung im Zusammenhang mit den Zeichnungen. Further advantageous refinements and developments of the invention result from the subclaims and from the description in Connection with the drawings.

Es zeigen: Show it:

Fig. 1 einen erfindungsgemäßen Fahrzeugscheinwerfer in schematischer Darstellung in einer Ansicht von vorn, und Fig. 1 shows a vehicle headlight according to the invention in a schematic representation in a view from the front, and

Fig. 2 den erfindungsgemäßen Fahrzeugscheinwerfer in Fig. 1 in einer Seitenansicht mit verschiedenen Leuchtweiteneinstellungen. Fig. 2 shows the vehicle headlight according to the invention in Fig. 1 in a side view with different headlight range settings.

Der in Fig. 1 und 2 gezeigte erfindungsgemäße Fahrzeugscheinwerfer 10 weist eine erste, zweite, dritte und vierte Zeile 12, 14, 16, 18 aus jeweils sechs Leuchtdioden 20 auf, die von dem Hersteller der Leuchtdioden 20 zu einem relativpositionierten Paket gebündelt worden sind, bei dem die Zeilen 12, 14, 16, 18 vertikal zueinander versetzt sind. Die Leuchtdioden 20 werden zeilenweise von einer Steuerung 22 angesteuert, welche in ein Gehäuse 24 des Fahrzeugscheinwerfers 10 integriert oder - wie gezeigt - separat dazu angeordnet sein kann. The vehicle headlight 10 according to the invention shown in FIGS. 1 and 2 has a first, second, third and fourth row 12 , 14 , 16 , 18 each consisting of six light-emitting diodes 20 which have been bundled by the manufacturer of the light-emitting diodes 20 into a relatively positioned package, in which the rows 12 , 14 , 16 , 18 are vertically offset from one another. The light-emitting diodes 20 are controlled line by line by a controller 22 , which is integrated in a housing 24 of the vehicle headlight 10 or, as shown, can be arranged separately from it.

Mit der Steuerung 22 ist es möglich, die Leuchtdioden 20 zeilenweise anzusteuern, wobei es möglich ist, unterschiedliche Hell-Dunkelgrenzen 26, 28, 30, 32 einzustellen. Wenn von der Steuerung 22 lediglich die sechs Leuchtdioden 20 der ersten Zeile 12 angesteuert werden, liegt die Hell-Dunkelgrenze 32 des vor einem Fahrzeug beleuchteten Bereiches 34 sehr niedrig und es wird auch nur ein sehr kurzer Bereich 34 vor dem Fahrzeugscheinwerfer 10 beleuchtet. With the control 22 it is possible to control the light-emitting diodes 20 line by line, it being possible to set different light-dark limits 26 , 28 , 30 , 32 . If only the six light-emitting diodes 20 of the first line 12 are controlled by the control 22 , the light-dark limit 32 of the area 34 illuminated in front of a vehicle is very low and only a very short area 34 in front of the vehicle headlight 10 is illuminated.

Werden die erste und die zweite Zeile 12, 14 gemeinsam angesteuert, liegt die Hell- Dunkelgrenze 30 höher und es wird ein Bereich 34' beleuchtet, welcher in der Fig. 2 sowohl durch die waagerechte als auch die senkrechte Schraffierung markiert ist. Eine Einstellung eines solchen beleuchteten Bereiches 34' ist insbesondere dann sinnvoll, wenn bei Niederschlägen eine andere Lichtverteilung zu einer Blendung des Fahrers durch Rückstreuung führen würde. If the first and second lines 12 , 14 are controlled together, the light-dark boundary 30 is higher and an area 34 'is illuminated which is marked in FIG. 2 by both the horizontal and the vertical hatching. A setting of such an illuminated area 34 ′ is particularly useful if a different light distribution would cause the driver to be dazzled by backscattering during precipitation.

Werden die ersten drei Zeilen 12, 14, 16 angesteuert, ergibt sich eine normale Abblendlichtverteilung mit einer Hell-Dunkelgrenze 28 und einem weit nach vorne rechenden Bereich 34", der aus Gründen der Darstellbarkeit nicht vollständig gezeigt ist. If the first three lines 12 , 14 , 16 are activated, a normal low beam distribution results with a light-dark boundary 28 and a region 34 ″ that extends far forward, which is not shown completely for reasons of illustration.

Die dritte Zeile 16 ist als geteilter Zusatzblock 36 ausgebildet, um eine asymmetrische Lichtverteilung zu bewirken und dabei eine asymmetrische Hell- Dunkelgrenze abzubilden. The third line 16 is designed as a split additional block 36 in order to effect an asymmetrical light distribution and to represent an asymmetrical light-dark boundary.

Werden alle vier Zeilen 12, 14, 16, 18 der Leuchtdioden 20 von der Steuerung 22 angesteuert, ergibt sich die Hell-Dunkelgrenze 26, wobei die Ausrichtung der Leuchtdioden 20 mit einer vorgesehenen Sekundäroptik 36 nach Unendlich weist und den Bereich 34''' beleuchtet. If all four lines 12 , 14 , 16 , 18 of the light-emitting diodes 20 are controlled by the control 22 , the light-dark boundary 26 results, the alignment of the light-emitting diodes 20 with an intended secondary optics 36 pointing to infinity and illuminating the area 34 ″ ″ ,

An der Oberseite des Gehäuses 24 ist ein Overhead-Block 38 mit zwei elektrooptischen Elementen 40 ausgebildet, welche nach oben ausgerichtet sind, um Overhead-Anzeigen zu beleuchten. Der mit dem Overhead-Block 38 ausgeleuchtete Raumwinkel 42 weist eine Spreizung von 10° auf. Der Zusatzblock 38 wird von der Steuerung 22 in dem gezeigten Ausführungsbeispiel automatisch angesteuert, wenn eine Anzeigendetektiervorrichtung eine Overhead-Anzeige nachweist. Zusätzlich ist eine manuelle Betätigung möglich. On the top of the housing 24 , an overhead block 38 is formed with two electro-optical elements 40 , which are aligned upwards to illuminate overhead displays. The solid angle 42 illuminated with the overhead block 38 has a spread of 10 °. The additional block 38 is automatically controlled by the controller 22 in the exemplary embodiment shown if a display detection device detects an overhead display. Manual operation is also possible.

Es sei noch darauf hingewiesen, dass die Ausgestaltungen der Leuchtdioden 20 und deren Ausrichtung so gewählt ist, dass, wenn mehr als eine Zeile 12, 14, 16, 18 angesteuert wird, sich die von diesen ausgehenden Lichtstrahlen in ihrer Wirkung überlagern. Ferner sei darauf hingewiesen, dass die Steuerung 22 die Leuchtdioden 20 in Abhängigkeit vom Beladezustand und der Fahrgeschwindigkeit des Fahrzeuges automatisch einstellt, wobei diese Einstellung benutzerdefiniert übersteuert werden kann. Der erfindungsgemäße Fahrzeugscheinwerfer wird vorzugsweise zusammen mit einem Scheinwerfer mit Glüh- oder Entladungslampe eingesetzt. It should also be pointed out that the configurations of the light-emitting diodes 20 and their alignment are selected such that if more than one line 12 , 14 , 16 , 18 is activated, the light rays emanating from them overlap in their effect. It should also be pointed out that the controller 22 automatically sets the light-emitting diodes 20 as a function of the loading condition and the driving speed of the vehicle, this setting being able to be overridden in a user-defined manner. The vehicle headlight according to the invention is preferably used together with a headlight with an incandescent or discharge lamp.

Claims (11)

1. Fahrzeugscheinwerfer mit individuell und/oder gruppenweise ansteuerbaren elektrooptischen Elementen (20), gekennzeichnet durch eine Steuerung (22), mit welcher die elektrooptischen Elemente (20) während der Benutzung derart selektiv ansteuerbar sind, dass dadurch die Leuchtweite und/oder die Hell-Dunkelgrenze (26, 28, 30, 32) variiert wird. 1. Vehicle headlights with individually and / or group-controllable electro-optical elements ( 20 ), characterized by a control ( 22 ) with which the electro-optical elements ( 20 ) can be selectively controlled during use such that the light range and / or the bright Dark limit ( 26 , 28 , 30 , 32 ) is varied. 2. Fahrzeugscheinwerfer nach Anspruch 1, dadurch gekennzeichnet, dass mindestens ein Zusatzblock (36) mit mindestens jeweils einem elektrooptischen Element (20) vorgesehen ist, mit welchem eine für Links-/Rechtsverkehr umschaltbare Hell-Dunkelgrenze und/oder eine asymmetrische Beleuchtung einstellbar ist. 2. Vehicle headlight according to claim 1, characterized in that at least one additional block ( 36 ) with at least one electro-optical element ( 20 ) is provided, with which a switchable for left / right traffic light-dark boundary and / or asymmetrical lighting is adjustable. 3. Fahrzeugscheinwerfer insbesondere nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass mindestens ein Overhead-Block (38) mit mindestens jeweils einem elektrooptischen Element (40) vorgesehen ist, welcher nach oben ausgerichtet ist, vorzugsweise in einem engen Raumwinkel (42), vorzugsweise in einem Raumwinkel kleiner 20°, um Overhead-Anzeigen zu beleuchten. 3. Vehicle headlight in particular according to claim 1 or 2, characterized in that at least one overhead block ( 38 ) is provided with at least one electro-optical element ( 40 ), which is oriented upwards, preferably in a narrow solid angle ( 42 ), preferably at a solid angle of less than 20 ° to illuminate overhead displays. 4. Fahrzeugscheinwerfer nach Anspruch 3, dadurch gekennzeichnet, dass der bzw. mindestens einer der Overhead-Blocks (38) manuell und/oder über eine Anzeigendetektiervorrichtung einschaltbar ist. 4. Vehicle headlight according to claim 3, characterized in that the or at least one of the overhead blocks ( 38 ) can be switched on manually and / or via a display detection device. 5. Fahrzeugscheinwerfer nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass optischen Elemente (20) in mindestens zwei waagerechten, vorzugsweise geraden und vertikal zueinander versetzten Zeilen (12, 14, 16, 18) angeordnet sind. 5. Vehicle headlight according to one of claims 1 to 4, characterized in that optical elements ( 20 ) are arranged in at least two horizontal, preferably straight and vertically offset rows ( 12 , 14 , 16 , 18 ). 6. Fahrzeugscheinwerfer nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass einzelne und/oder mehrere elektrooptische Elemente (20) eine Sekundäroptik (36) aufweisen. 6. Vehicle headlight according to one of claims 1 to 5, characterized in that individual and / or more electro-optical elements ( 20 ) have secondary optics ( 36 ). 7. Fahrzeugscheinwerfer nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass jeder Zeile (12, 14, 16, 18) aus elektrooptischen Elementen (20) eine Leuchtweite und/oder Hell-Dunkelgrenze (26, 28, 30, 32) zugeordnet ist. 7. Vehicle headlight according to claim 5 or 6, characterized in that each row ( 12 , 14 , 16 , 18 ) of electro-optical elements ( 20 ) is assigned a light range and / or light-dark boundary ( 26 , 28 , 30 , 32 ). 8. Fahrzeugscheinwerfer nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die elektrooptischen Elemente Leuchtdioden (20) sind. 8. Vehicle headlight according to one of claims 1 to 7, characterized in that the electro-optical elements are light emitting diodes ( 20 ). 9. Fahrzeugscheinwerfer nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass mindestens drei, vorzugsweise mindestens vier Leuchtweiten und/oder die Hell-Dunkelgrenzen (26, 28, 30, 32) einstellbar sind. 9. Vehicle headlight according to one of claims 1 to 8, characterized in that at least three, preferably at least four light ranges and / or the light-dark limits ( 26 , 28 , 30 , 32 ) are adjustable. 10. Fahrzeugscheinwerfer nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Einstellung der Leuchtweite und/oder der Hell-Dunkelgrenze (26, 28, 30, 32) automatisch in Abhängigkeit von dem Zustand eines Kraftfahrzeuges, insbesondere dessen Beladezustandes und/oder dessen Fahrgeschwindigkeit erfolgt. 10. Vehicle headlight according to one of claims 1 to 9, characterized in that the setting of the light range and / or the light-dark limit ( 26 , 28 , 30 , 32 ) automatically as a function of the state of a motor vehicle, in particular its loading state and / or whose driving speed occurs. 11. Fahrzeugscheinwerfer nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass mindestens ein Scheinwerfer mit Glüh- oder Entladungslampe zur Bereitstellung der Grundlichtverteilung vorgesehen ist. 11. Vehicle headlight according to one of claims 1 to 10, characterized characterized in that at least one headlight with incandescent or Discharge lamp is provided to provide the basic light distribution.
DE10153031A 2001-10-26 2001-10-26 Vehicle headlights with individually and / or group-controlled electro-optical elements Expired - Fee Related DE10153031C2 (en)

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