DE29919032U1 - Interior lights for motor vehicles - Google Patents

Interior lights for motor vehicles

Info

Publication number
DE29919032U1
DE29919032U1 DE29919032U DE29919032U DE29919032U1 DE 29919032 U1 DE29919032 U1 DE 29919032U1 DE 29919032 U DE29919032 U DE 29919032U DE 29919032 U DE29919032 U DE 29919032U DE 29919032 U1 DE29919032 U1 DE 29919032U1
Authority
DE
Germany
Prior art keywords
light
emitting diode
interior
reflection
reflection surface
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.)
Expired - Lifetime
Application number
DE29919032U
Other languages
German (de)
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and Co
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 Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Priority to DE29919032U priority Critical patent/DE29919032U1/en
Publication of DE29919032U1 publication Critical patent/DE29919032U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
    • B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
    • B60Q3/76—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for spotlighting, e.g. reading lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2106/00—Interior vehicle lighting devices
    • 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]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (8)

1. Innenleuchte (1) für Kraftfahrzeuge, insbesondere zum Einbau in einen Fahrzeughimmel, mit wenigstens einem Leuchtmittel, wobei im Strahlengang des Leuchtmittels ein Umlenkprisma (3) angeordnet ist, das im Strahlengang zwischen seiner Lichtein­ trittsfläche (5) und seiner Lichtaustrittsfläche (6) zumindest eine Reflexionsfläche (7) aufweist, dadurch gekennzeichnet, daß das Leuchtmittel eine mit seiner Lichtabstrahlfläche (4) der Lichteintrittsfläche (5) des Umlenkprismas (3) zugewandte Leuchtdiode (2) ist, daß die Reflexionsfläche (7) des Umlenkprismas (3) zur Bündelung des von der Leuchtdiode (2) abgestrahlten divergenten Lichtbündels (8) ausgebildet ist und daß der Winkel der auf der Reflexionsfläche (7) auf­ treffenden Lichtstrahlen des Lichtbündels (8) so gewählt ist, daß diese an der Reflexionsfläche (7) der Totalreflexion unterliegen.1. Interior light ( 1 ) for motor vehicles, in particular for installation in a vehicle headliner, with at least one lamp, wherein a deflection prism ( 3 ) is arranged in the beam path of the lamp, the entry surface ( 5 ) and its light exit surface ( 6 ) in the beam path. Has at least one reflecting surface ( 7 ), characterized in that the illuminant is a light-emitting diode ( 2 ) facing the light entry surface ( 5 ) of the deflecting prism ( 3 ) with its light-emitting surface ( 4 ), that the reflecting surface ( 7 ) of the deflecting prism ( 3 ) is for Bundling of the divergent light beam ( 8 ) emitted by the light-emitting diode ( 2 ) is formed and that the angle of the light beams of the light beam ( 8 ) incident on the reflection surface ( 7 ) is selected such that they are subject to total reflection on the reflection surface ( 7 ) . 2. Innenleuchte (1) nach Anspruch 1, dadurch gekennzeichnet, daß die Reflexionsfläche (7) des Umlenkprismas (3) einen Teil­ bereich der Hüllfläche eines parabolischen Zylinders bildet oder an diesen Teilbereich angenähert ist, und daß in einer normal zur Zylinderachse dieses Zylinders angeordneten Ebene der Brennpunkt der Reflexionsfläche (7) in dem Lichtabstrahl­ punkt (9) der Leuchtdiode (2) oder dem durch (eine) zwischen dem Lichtabstrahlpunkt (9) der Leuchtdiode (2) und der Reflexionsfläche (7) befindliche optisch wirksame Fläche(n) scheinbar versetzten Lichtabstrahlpunkt der Leuchtdiode (2) angeordnet ist.2. Interior light ( 1 ) according to claim 1, characterized in that the reflection surface ( 7 ) of the deflecting prism ( 3 ) forms a part of the envelope surface of a parabolic cylinder or is approximated to this part, and that arranged in a normal to the cylinder axis of this cylinder Plane of the focal point of the reflection surface ( 7 ) in the light emission point ( 9 ) of the light-emitting diode ( 2 ) or the optically effective surface (s) located between the light emission point ( 9 ) of the light-emitting diode ( 2 ) and the reflection surface ( 7 ) Apparently offset light emission point of the light emitting diode ( 2 ) is arranged. 3. Innenleuchte (1) nach Anspruch 1 oder 2, dadurch gekenn­ zeichnet, daß die Reflexionsfläche (7) des Umlenkprismas (3) einen Teilbereich der Hüllfläche eines Rotationsparaboloids bildet oder an diesen Teilbereich angenähert ist, und daß der Brennpunkt dieser parabolischen Reflexionsfläche (7) in dem Lichtabstrahlpunkt (9) der Leuchtdiode (2) oder dem durch (eine) zwischen dem Lichtabstrahlpunkt (9) der Leuchtdiode (2) und der Reflexionsfläche (7) befindliche optisch wirksame Fläche(n) scheinbar versetzten Lichtabstrahlpunkt der Leuchtdiode (2) angeordnet ist.3. Interior light ( 1 ) according to claim 1 or 2, characterized in that the reflection surface ( 7 ) of the deflecting prism ( 3 ) forms a partial area of the envelope surface of a paraboloid of revolution or is approximated to this partial area, and that the focal point of this parabolic reflection surface ( 7th ) in the Lichtabstrahlpunkt (9) of the light-emitting diode (2) or by (a) between the Lichtabstrahlpunkt (9) of the light-emitting diode (2) and the reflecting surface n (7) located optically effective surface (apparently) shifted Lichtabstrahlpunkt the light emitting diode (2) is arranged. 4. Innenleuchte (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Lichteintrittsfläche (5) des Umlenk­ prismas (3) und die Abstrahlcharakteristik der Leuchtdiode (2) so aufeinander abgestimmt sind, daß die die Lichteintritts­ fläche (5) durchsetzenden, von der Leuchtdiode (2) ausgesandten Lichtstahlen jeweils orthogonal zur Lichteintrittsfläche (5) angeordnet sind und daß die Lichteintrittsfläche (5) dazu insbesondere einen Teilbereich einer Kugeloberfläche bildet, deren Kugelmittelpunkt sich im Lichtabstrahlpunkt (9) der Leuchtdiode (2) oder dem durch (eine) zwischen dem Licht­ abstrahlpunkt (9) der Leuchtdiode (2) und der Reflexionsfläche (7) befindliche optisch wirksame Fläche(n) scheinbar versetzten versetzten Lichtabstrahlpunkt der Leuchtdiode (2) angeordnet ist.4. Interior light ( 1 ) according to one of claims 1 to 3, characterized in that the light entry surface ( 5 ) of the deflecting prism ( 3 ) and the radiation characteristic of the light-emitting diode ( 2 ) are matched to one another so that the light entry surface ( 5 ) passing through, (2) the emitted light beams are respectively arranged orthogonal to the light entrance surface (5) of the light emitting diode and the light entry surface (5) to particular forms a portion of a spherical surface whose spherical center in Lichtabstrahlpunkt (9) of the light-emitting diode (2) or by (one) between the light emission point ( 9 ) of the light-emitting diode ( 2 ) and the reflection surface ( 7 ) is an optically effective surface (s), apparently offset, offset light emission point of the light-emitting diode ( 2 ). 5. Innenleuchte (1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Reflexionsfläche (7) und/oder die Lichtaustrittsfläche (6) des Umlenkprismas (3) wenigstens einen als Streuoptik ausgebildeten Teilbereich aufweist.5. Interior light ( 1 ) according to one of claims 1 to 4, characterized in that the reflection surface ( 7 ) and / or the light exit surface ( 6 ) of the deflecting prism ( 3 ) has at least one partial area designed as a scattering optics. 6. Innenleuchte (1) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß sie mehrere der erfindungsgemäßen Anordnungen, jeweils bestehend zumindest aus Leuchtdiode (2) und Umlenkprisma (3), nebeneinander aufweist, und daß die Umlenkprismen (3) dieser Anordnungen vorzugsweise einstückig miteinander verbunden sind.6. Interior light ( 1 ) according to one of claims 1 to 5, characterized in that it has several of the arrangements according to the invention, each consisting at least of light emitting diode ( 2 ) and deflection prism ( 3 ), side by side, and that the deflection prisms ( 3 ) of these arrangements are preferably connected in one piece. 7. Innenleuchte (1) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Leuchtdioden (2) und/oder die Reflexionsflächen (7) der Umlenkprismen (3) auf einer räumlich gekrümmten oder in einer Ebene liegenden geschlossenen oder offenen Kurve, beispielsweise auf einem Kreis, einer Ellipse, einem Oval oder einem oder mehreren Teilen der vorgenannten Kurven oder auf einer oder mehreren gegebenenfalls unter einem Winkel zueinander verlaufenden geraden Linien angeordnet sind.7. Interior light ( 1 ) according to one of claims 1 to 6, characterized in that the light-emitting diodes ( 2 ) and / or the reflection surfaces ( 7 ) of the deflection prisms ( 3 ) on a spatially curved or in one plane closed or open curve, For example, on a circle, an ellipse, an oval or one or more parts of the aforementioned curves or on one or more straight lines which may be at an angle to one another. 8. Innenleuchte (1) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Leuchtdiode(n) (2) auf einer Leiterbah­ nen zur Stromversorgung der Leuchtdiode(n) (2) aufweisenden elektrischen Leiterplatte (11) angeordnet ist (sind), und daß an dem Umlenkprisma (den Umlenkprismen) (3) wenigstens eine Aufnahme vorgesehen ist, die formschlüssig mit einer Verbin­ dungsstelle der Leiterplatte (11) verbunden ist.8. Interior light ( 1 ) according to one of claims 1 to 7, characterized in that the light-emitting diode (s) ( 2 ) on a circuit NEN for powering the light-emitting diode (s) ( 2 ) having electrical circuit board ( 11 ) is (are) ), and that at the deflection prism (the deflection prisms) ( 3 ) at least one receptacle is provided, which is positively connected to a connec tion point of the circuit board ( 11 ).
DE29919032U 1999-10-29 1999-10-29 Interior lights for motor vehicles Expired - Lifetime DE29919032U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29919032U DE29919032U1 (en) 1999-10-29 1999-10-29 Interior lights for motor vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29919032U DE29919032U1 (en) 1999-10-29 1999-10-29 Interior lights for motor vehicles

Publications (1)

Publication Number Publication Date
DE29919032U1 true DE29919032U1 (en) 1999-12-30

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DE29919032U Expired - Lifetime DE29919032U1 (en) 1999-10-29 1999-10-29 Interior lights for motor vehicles

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001090634A1 (en) * 2000-05-22 2001-11-29 Witte & Sutor Gmbh Plug-in light
DE10205048A1 (en) * 2002-02-07 2003-08-21 Hella Kg Hueck & Co Light output coupling element for vehicle headlamp deflects most light coupled into input surface in horizontal angular range of at least 30 to 90 degrees and below light/dark boundary
EP1129913A3 (en) * 2000-03-01 2003-09-24 Adam Opel Ag Vehicle with an antitheft alarm device
EP1449718A2 (en) * 2003-02-20 2004-08-25 Airbus Deutschland GmbH Reading light for aircraft cabin
DE10314256A1 (en) * 2003-03-29 2004-10-07 Hella Kg Hueck & Co. Vehicle light has optical conductor with rear surface shaped to direct light in departure direction by total internal reflection
DE10318952A1 (en) * 2003-04-26 2004-11-25 Hella Kgaa Hueck & Co. Vehicle light has light source and optics with curved external surface to reflect all light and distribute outgoing light
DE102007020397A1 (en) * 2007-04-27 2008-10-30 Bombardier Transportation Gmbh Lighting device for the illumination of vehicle interiors
WO2012025363A1 (en) * 2010-08-27 2012-03-01 Osram Ag Reading light for motor vehicles
EP2607779A1 (en) * 2011-12-20 2013-06-26 Odelo GmbH Motor vehicle light
DE102018200866A1 (en) * 2018-01-19 2019-07-25 HELLA GmbH & Co. KGaA vehicle light
FR3090824A1 (en) * 2018-12-19 2020-06-26 Valeo Comfort And Driving Assistance Lighting device for vehicle ceiling light

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1129913A3 (en) * 2000-03-01 2003-09-24 Adam Opel Ag Vehicle with an antitheft alarm device
US6986595B2 (en) 2000-05-22 2006-01-17 Witte & Sutor Gmbh Plug-in light
WO2001090634A1 (en) * 2000-05-22 2001-11-29 Witte & Sutor Gmbh Plug-in light
DE10205048A1 (en) * 2002-02-07 2003-08-21 Hella Kg Hueck & Co Light output coupling element for vehicle headlamp deflects most light coupled into input surface in horizontal angular range of at least 30 to 90 degrees and below light/dark boundary
US7150548B2 (en) 2003-02-20 2006-12-19 Airbus Deutschland Gmbh Reading lamp for aircraft cabins
DE10307147A1 (en) * 2003-02-20 2004-09-23 Airbus Deutschland Gmbh Reading light for aircraft cabins
EP1449718A2 (en) * 2003-02-20 2004-08-25 Airbus Deutschland GmbH Reading light for aircraft cabin
EP1449718A3 (en) * 2003-02-20 2007-06-20 Airbus Deutschland GmbH Reading light for aircraft cabin
DE10314256A1 (en) * 2003-03-29 2004-10-07 Hella Kg Hueck & Co. Vehicle light has optical conductor with rear surface shaped to direct light in departure direction by total internal reflection
DE10318952A1 (en) * 2003-04-26 2004-11-25 Hella Kgaa Hueck & Co. Vehicle light has light source and optics with curved external surface to reflect all light and distribute outgoing light
DE102007020397A1 (en) * 2007-04-27 2008-10-30 Bombardier Transportation Gmbh Lighting device for the illumination of vehicle interiors
DE102007020397B4 (en) * 2007-04-27 2012-06-21 Bombardier Transportation Gmbh Lighting device for the illumination of vehicle interiors
DE102007020397B8 (en) * 2007-04-27 2012-08-30 Bombardier Transportation Gmbh Lighting device for the illumination of vehicle interiors
WO2012025363A1 (en) * 2010-08-27 2012-03-01 Osram Ag Reading light for motor vehicles
EP2607779A1 (en) * 2011-12-20 2013-06-26 Odelo GmbH Motor vehicle light
DE102018200866A1 (en) * 2018-01-19 2019-07-25 HELLA GmbH & Co. KGaA vehicle light
FR3090824A1 (en) * 2018-12-19 2020-06-26 Valeo Comfort And Driving Assistance Lighting device for vehicle ceiling light

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