DE19530950B4 - Headlights for vehicles - Google Patents
Headlights for vehicles Download PDFInfo
- Publication number
- DE19530950B4 DE19530950B4 DE19530950A DE19530950A DE19530950B4 DE 19530950 B4 DE19530950 B4 DE 19530950B4 DE 19530950 A DE19530950 A DE 19530950A DE 19530950 A DE19530950 A DE 19530950A DE 19530950 B4 DE19530950 B4 DE 19530950B4
- Authority
- DE
- Germany
- Prior art keywords
- light
- reflector
- cover
- lens
- coating
- 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 - Fee Related
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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/04—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/275—Lens surfaces, e.g. coatings or surface structures
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/28—Cover glass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/10—Protection of lighting devices
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Scheinwerfer für Fahrzeuge mit einem Reflektor (10), mit einer Lichtquelle (12), mit einer die Lichtaustrittsöffnung des Scheinwerfers abdeckenden lichtdurchlässigen Abdeckscheibe (22) aus Kunststoff, mit einem im Strahlengang des vom Reflektor (10) reflektierten Lichts angeordneten lichtdurchlässigen Element (16; 22), durch das das hindurchtretende Licht abgelenkt wird und mit einem zwischen der Abdeckscheibe (22) und dem Reflektor (10) angeordneten Infrarotfilter, das eine Beschichtung (26) aufweist, durch die Infrarotlicht reflektiert wird, dadurch gekennzeichnet, dass die Beschichtung (26) auf wenigstens eine Seite (30) einer zwischen der Abdeckscheibe (22) und dem Reflektor (10) angeordneten Linse (16) aufgebracht ist und Infrarotlicht in dem Wellenlängenbereich reflektiert, in dem Infrarotlicht durch das Material der Abdeckscheibe (22) absorbiert wird.headlights for vehicles with a reflector (10), with a light source (12), with a the light exit opening of the headlamp covering the translucent cover (22) Plastic, with a in the beam path of the reflector (10) reflected light arranged translucent Element (16; 22), through which deflects the light passing through is and with a between the cover (22) and the reflector (10) arranged infrared filter, which has a coating (26), is reflected by the infrared light, characterized that the coating (26) on at least one side (30) of a between the cover plate (22) and the reflector (10) Lens (16) is applied and reflects infrared light in the wavelength range, in the infrared light through the material of the cover (22) absorbed becomes.
Description
Die Erfindung geht aus von einem Scheinwerfer für Fahrzeuge nach der Gattung des Anspruchs 1.The The invention is based on a headlight for vehicles of the type of claim 1.
Ein
solcher Scheinwerfer ist durch die
Aus
der
Ausgehend von dem Stand der Technik liegt der vorliegenden Erfindung die Aufgabe zugrunde, einen Scheinwerfer gemäß dem Oberbegriff des Anspruchs 1 dahingehend auszugestalten und weiterzubilden, dass auf eine einfache und kostengünstige Weise eine Erwärmung der Abdeckscheibe verhindert werden kann.outgoing The object of the present invention is the object of the prior art basis, a headlamp according to the preamble of the claim 1 to design and further develop that in a simple and inexpensive way a warming the cover can be prevented.
Zur Lösung dieser Aufgabe wird ausgehend von dem Scheinwerfer gemäß dem Oberbegriff des Anspruchs 1 vorgeschlagen, dass die Beschichtung auf wenigstens eine Seite einer zwischen der Abdeckscheibe und dem Reflektor angeordneten Linse aufgebracht ist und Infrarotlicht in einem Wellenlängenbereich reflektiert, in dem Infrarotlicht durch das Material der Abdeckscheibe absorbiert wird.to solution This object is based on the headlamp according to the preamble of claim 1, proposed that the coating on at least one side of a disposed between the cover and the reflector Lens is applied and infrared light in a wavelength range reflected, in the infrared light through the material of the cover is absorbed.
Vorteile der ErfindungAdvantages of invention
Der erfindungsgemäße Scheinwerfer mit den Merkmalen des Anspruchs 1 hat den Vorteil, dass dieser einfach und kostengünstig aufgebaut ist und durch das Infrarotfilter relativ wenig Verlust an sichtbarem Licht verursacht wird.Of the inventive headlight with the features of claim 1 has the advantage that this simple and cost-effective is constructed and through the infrared filter relatively little loss caused by visible light.
In den abhängigen Ansprüchen sind vorteilhafte Ausgestaltungen und Weiterbildungen des erfindungsgemäßen Scheinwerfers angegeben.In the dependent claims advantageous embodiments and refinements of the headlamp according to the invention are given.
Zeichnungdrawing
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert.One embodiment The invention is illustrated in the drawing and in the following description explained in more detail.
Beschreibung der Ausführungsbeispieledescription the embodiments
Ein
in
Der
Scheinwerfer weist in Lichtaustrittsrichtung
Um
von der Lichtquelle
Die
Beschichtung
Claims (6)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19530950A DE19530950B4 (en) | 1995-08-23 | 1995-08-23 | Headlights for vehicles |
FR9609905A FR2738052B1 (en) | 1995-08-23 | 1996-08-06 | PROJECTOR FOR A MOTOR VEHICLE COMPRISING AN INFRARED FILTER |
JP8214815A JPH09115305A (en) | 1995-08-23 | 1996-08-14 | Headlamp for vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19530950A DE19530950B4 (en) | 1995-08-23 | 1995-08-23 | Headlights for vehicles |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19530950A1 DE19530950A1 (en) | 1997-02-27 |
DE19530950B4 true DE19530950B4 (en) | 2006-11-16 |
Family
ID=7770148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19530950A Expired - Fee Related DE19530950B4 (en) | 1995-08-23 | 1995-08-23 | Headlights for vehicles |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPH09115305A (en) |
DE (1) | DE19530950B4 (en) |
FR (1) | FR2738052B1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6012830A (en) * | 1998-06-23 | 2000-01-11 | Valeo Sylvania L.L.C. | Light shield for a vehicle headlamp |
JP3920052B2 (en) * | 2001-07-06 | 2007-05-30 | 株式会社小糸製作所 | Infrared irradiation lamp for automobiles |
KR100730648B1 (en) * | 2005-08-30 | 2007-06-20 | 영진전문대학 산학협력단 | equipment for intercepting heat of a headlight |
JP4926771B2 (en) * | 2007-03-15 | 2012-05-09 | 株式会社小糸製作所 | Vehicle lamp unit |
US9377171B2 (en) * | 2014-08-01 | 2016-06-28 | GM Global Technology Operations LLC | Lens system and method for eliminating sun focusing thermal effects in lamps |
FR3077363B1 (en) * | 2018-01-30 | 2021-08-20 | Valeo Vision | LUMINOUS DEVICE WITH CONTROLLED CAUSTIC-GENERATING SURFACE FORMING A PATTERN ON A TARGET SURFACE |
FR3099543A1 (en) * | 2019-07-31 | 2021-02-05 | Valeo Vision | LUMINOUS DEVICE OF DIRECTION CHANGE INDICATOR WITH CONTROLLED CAUSTIC-GENERATING SURFACE FORMING A PATTERN ON A TARGET SURFACE |
FR3077365B1 (en) * | 2018-01-30 | 2021-06-25 | Valeo Vision | ROAD LIGHTING DEVICE WITH CONTROLLED CAUSTIC-GENERATING SURFACE FORMING A LIGHTING BEAM |
JP7132887B2 (en) | 2019-05-29 | 2022-09-07 | 本田技研工業株式会社 | vehicle light body |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1356100A (en) * | 1963-05-03 | 1964-03-20 | Quarzlampen Gmbh | Operating room lighting device |
DE3339334C1 (en) * | 1983-10-29 | 1985-01-24 | VEGLA Vereinigte Glaswerke GmbH, 5100 Aachen | Process for producing car windscreens having strip-type antiglare filters by vapour deposition or sputtering, and apparatus for carrying out the process |
DE4305633A1 (en) * | 1992-02-24 | 1993-10-07 | Valeo Vision | Headlamp with two-part lens holder esp for motor vehicle - has relative positions of lens and reflector fixed by heat-dissipating assembly which grips lens between coaxial collars |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1196600B (en) * | 1959-06-09 | 1965-07-15 | Eltro Ges Mit Beschraenkter Ha | Infrared film filter for headlights |
GB1208960A (en) * | 1968-05-28 | 1970-10-14 | Thorn Lighting Ltd | Improved lighting system |
DE2830723A1 (en) * | 1978-07-13 | 1980-02-14 | Leybold Heraeus Gmbh & Co Kg | METHOD FOR PRODUCING INFRARED REFLECTING DISCS BY CATODENSION |
-
1995
- 1995-08-23 DE DE19530950A patent/DE19530950B4/en not_active Expired - Fee Related
-
1996
- 1996-08-06 FR FR9609905A patent/FR2738052B1/en not_active Expired - Fee Related
- 1996-08-14 JP JP8214815A patent/JPH09115305A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1356100A (en) * | 1963-05-03 | 1964-03-20 | Quarzlampen Gmbh | Operating room lighting device |
DE3339334C1 (en) * | 1983-10-29 | 1985-01-24 | VEGLA Vereinigte Glaswerke GmbH, 5100 Aachen | Process for producing car windscreens having strip-type antiglare filters by vapour deposition or sputtering, and apparatus for carrying out the process |
DE4305633A1 (en) * | 1992-02-24 | 1993-10-07 | Valeo Vision | Headlamp with two-part lens holder esp for motor vehicle - has relative positions of lens and reflector fixed by heat-dissipating assembly which grips lens between coaxial collars |
Also Published As
Publication number | Publication date |
---|---|
JPH09115305A (en) | 1997-05-02 |
FR2738052B1 (en) | 2000-06-16 |
DE19530950A1 (en) | 1997-02-27 |
FR2738052A1 (en) | 1997-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8127 | New person/name/address of the applicant |
Owner name: AUTOMOTIVE LIGHTING REUTLINGEN GMBH, 72762 REUTLIN |
|
8120 | Willingness to grant licences paragraph 23 | ||
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20130301 |