EP2466197B1 - Kraftfahrzeugleuchte - Google Patents

Kraftfahrzeugleuchte Download PDF

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Publication number
EP2466197B1
EP2466197B1 EP10196046.6A EP10196046A EP2466197B1 EP 2466197 B1 EP2466197 B1 EP 2466197B1 EP 10196046 A EP10196046 A EP 10196046A EP 2466197 B1 EP2466197 B1 EP 2466197B1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
light
vehicle lamp
lamp according
previous
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.)
Active
Application number
EP10196046.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2466197A1 (de
Inventor
Robert Schneider
Björn Lübke
Matthias Schwarz
Harald Schwenke
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.)
Odelo GmbH
Original Assignee
Odelo 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 Odelo GmbH filed Critical Odelo GmbH
Priority to EP10196046.6A priority Critical patent/EP2466197B1/de
Priority to SI201030455T priority patent/SI2466197T1/sl
Publication of EP2466197A1 publication Critical patent/EP2466197A1/de
Application granted granted Critical
Publication of EP2466197B1 publication Critical patent/EP2466197B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/249—Light guides with two or more light sources being coupled into the light guide
    • 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
    • F21S41/24—Light guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces

Definitions

  • the invention relates to a motor vehicle lamp according to the preamble of claim 1.
  • a motor vehicle luminaire essentially comprises a housing, at least one luminous means arranged therein for at least one light function, optionally at least one reflector typically arranged behind the luminous means in the housing or formed by this for example by means of an at least partial coating and / or at least one arranged in front of the luminous means
  • Optical element such as a lens, a trough concentrator, eg a parabolic trough (CPC) or the like for shaping a defined emission characteristic, as well as a transparent cover which briefly protects the at least one light source and optionally the at least one reflector or the at least one optical element against the effects of weathering.
  • the lens encloses, together with the housing, a luminaire interior accommodating the at least one luminous means and, if appropriate, the at least one reflector.
  • a luminaire interior accommodating the at least one luminous means and, if appropriate, the at least one reflector.
  • at least one optical disc can be arranged between the illuminant and the lens, which can have a specific structure and / or masking, for example, in order to conceal the luminous means in the case of a clear lens effecting a depth effect for a viewer.
  • the housing or the lamp interior can be subdivided into several chambers, each with its own light sources, possibly reflectors and / or optical discs, and optionally light disks, of which several chambers can perform the same or each chamber a different light functions.
  • the motor vehicle light fulfills one or more tasks or functions.
  • a light function of the motor vehicle light is provided.
  • Light functions for example, in one embodiment as a headlamp a function illuminating the roadway, or in one embodiment as a signal light a Signal function, such as a Wiederholblinklichtfunktion to the direction indicator or a brake light function to indicate a braking action, or as a limiting light function, such as a taillight function, to ensure visibility of the vehicle during the day and / or night, such as in a design as tail light or daytime running light.
  • motor vehicle lights are on the vehicle's bow, on the vehicle flanks and / or on the side mirrors and rear lights arranged flashing lights, for example, ambient lighting, marker lights, brake lights, fog lamps, reversing lights, and typically high set third brake lights, so-called Central, High-Mounted Braking lights, daytime running lights, headlamps and fog lights used as turning or cornering lights, as well as combinations thereof.
  • flashing lights for example, ambient lighting, marker lights, brake lights, fog lamps, reversing lights, and typically high set third brake lights, so-called Central, High-Mounted Braking lights, daytime running lights, headlamps and fog lights used as turning or cornering lights, as well as combinations thereof.
  • a luminous means for at least one light function comprises at least at least one light source, for example at least one incandescent lamp or at least one gas discharge lamp or at least one light-emitting diode and optionally combinations thereof.
  • LEDs are used for example, due to their low power consumption increasingly LEDs are used. These consist of at least one light-emitting diode semiconductor chip, short LED chip, as well as at least one, for example, molded by injection molding, the at least one LED chip completely or partially enveloping primary optics. Also, automotive lights are known in which pure LED chips are used without molded primary optics. In the following, therefore, for the sake of simplicity, no distinction is made between light-emitting diode and LED chip and, instead, the term LED is used uniformly for both embodiments, unless explicitly stated otherwise. Outstanding properties of LEDs compared to other, conventional light sources of bulbs are a much longer life and a significantly higher light output with the same power consumption. As a result, and among other things also because of their more compact dimensions can be realized by using LEDs as a light source of light bulbs particularly compact automotive lights, which can be adapted to almost every imaginable installation situation.
  • one or more optical fibers may be provided, for example to provide a desired light distribution e.g. across the lens of the light emitted by one or more light sources.
  • An optical waveguide in which light is coupled in at least one light source to at least one light coupling surface and coupled out again at at least one light outcoupling surface different from the light coupling surface can be housed as a separate component in the interior of the luminaire or be part of a light source.
  • a luminous means may comprise one or more light guides and one or more light sources emitting light from them, at least in part into the light sources coupling in at least one light guide.
  • An optical waveguide of such a luminous means can serve, for example, as a primary optic of one or more LEDs or be designed as such a primary optic.
  • the light guide may be formed, for example, as a rod-shaped or flat, so-called surface light guide, with a light output surface arranged on its front side oriented, for example, normal to the main emission direction of a motor vehicle light.
  • an optical disc of a motor vehicle lamp is equipped with knob-shaped optical means.
  • the knob-shaped optical means are arranged in a regular structure on the optical disk.
  • Each knob-shaped optical means has a cylindrical Part and this final form surface part.
  • the cylindrical part serves as a light guide and as a scattering body at the same time.
  • a disadvantage of this is the punctiform visible knobs both in the on and in the off state of the motor vehicle light. This gives the motor vehicle light a reduced quality impression and a reduced optical quality. In addition, only a light function can be realized by means of the optical disk with the knobs.
  • a motor vehicle lamp for a handle of a motor vehicle is known.
  • the lens of the motor vehicle light is designed as a light guide.
  • the disadvantage of this is that the light guide is exposed to high pollution, which severely limits the optical quality.
  • the vehicle light can only fulfill a lighting function.
  • US 2004/0130904 A1 is a motor vehicle lamp with a by a lamp housing and this final lens enclosed lamp interior known.
  • the lamp interior accommodates a lighting means with at least one light source for fulfilling at least one light function of the motor vehicle light.
  • the motor vehicle light has at least one component housed in the interior of the luminaire.
  • the component has at least one first part, which is designed as at least one optical fiber with corresponding optical fiber properties, and at least one second part, which is designed as at least one optical disk with corresponding optical disk properties.
  • a component has a first part, which is designed as a light guide with corresponding optical fiber properties, and a second part, which is designed as an optical disk with corresponding optical disk properties.
  • EP 2 071 228 A2 is also known a motor vehicle light having a component which is associated with two different light sources to fulfill different lighting functions.
  • the component points for the one light source Optical disc properties, wherein emitted by the one light source light radiates through the component, whereas it has optical fiber properties for the other light source, emitted from the other light source light is coupled into the component and passed through total reflection to a coupling by means of decoupling elements.
  • EP 1 176 361 A2 is also a motor vehicle lamp with multiple light sources to meet different lighting functions known.
  • a component has games assigned to the different light sources.
  • One of these games is designed as an optical disk. Adjacent, rod-shaped parts have optical fiber properties.
  • JP 2006-236588 A is an additional motor vehicle lamp with multiple light sources to meet different lighting functions known.
  • a component has the different parts.
  • a first batch is formed as an optical disk, which is partially irradiated by emerging from the first batch of first light sources light exiting, so that a part of the light emanating from the first light sources exits in a first region of the first batch.
  • a remaining part of the light emanating from the first light sources is coupled into a second part integrally formed thereon, which is designed as an optical waveguide, and emerges from the second part in a second region.
  • the second batch of second light sources designed as a light guide light partially exits the second batch in the second area. The remaining part of the light emanating from the second light sources is conducted in the second batch to the exit in the first region of the first batch.
  • the invention is based on the object to develop a motor vehicle light that is inexpensive to produce and has a high optical quality with high quality impression.
  • the automotive lamp can perform multiple light functions.
  • a motor vehicle light is provided with an enclosed by a lens and a lamp housing interior.
  • At least one light source with at least one light source is accommodated in the interior of the luminaire.
  • the at least one light source serves to fulfill at least one light function of the motor vehicle light.
  • at least one reflector assigned to at least one light source or one or more light sources of one or more light sources can be accommodated in the interior of the luminaire.
  • at least one reflector is formed by the luminaire housing itself.
  • the luminaire housing can be provided at least in places with a reflective coating for this purpose.
  • it is also conceivable for this purpose to produce the luminaire housing at least partly from a preferably bright, reflecting material, for example from white plastic, at least in the region with Reflector function.
  • the motor vehicle lamp is characterized by at least one component accommodated in the interior of the luminaire, which has at least one first section which is designed as at least one optical waveguide with corresponding optical waveguide properties, and has at least one second section, which is designed as at least one optical disk with corresponding optical disk properties.
  • the at least two games are spatially separated. The spatial separation is made by at least one connecting web.
  • the resulting advantages over the prior art include the saving of at least one component, associated with the freeing of at least one injection molding machine of a limited number of injection molding machines of a manufacturing facility, as well as a much more time-saving and thus more cost-effective installation of a now fewer components having motor vehicle light.
  • the different lots can be assigned to different light functions of the motor vehicle light. It is also conceivable that several lots are assigned the same lighting functions.
  • the at least two lots may be associated with one or more lighting functions such that at least one batch is at least temporarily associated with a different light function than at least one remaining batch.
  • two or more lots may be associated with a backlight function.
  • one of the games can additionally be assigned to a brake light function.
  • different games are generally assigned to different lighting functions. For example, it is conceivable that e.g. at least one lot is associated with a repeating flashing light function, at least one further batch of a brake light function and at least one other lot of a tail light function.
  • the motor vehicle light may be formed, for example, as a tail lamp for a motor vehicle.
  • Advantages of the invention result inter alia from the fact that the at least one formed as a light guide lot and at least one as optical disc trained lot comprehensive component by means of a single injection molding machine can be produced.
  • only one injection molding machine of a finite number of injection molding machines of a production facility is required for producing at least one optical waveguide and at least one optical disk.
  • Remaining injection molding machines can be used for the production of the same or other components.
  • a cost-effective production of an example designed as a taillight for motor vehicles motor vehicle light is made possible.
  • less expensive injection molding tools are needed.
  • a less time-consuming and thus less expensive installation of the motor vehicle light is made possible by the reduced number of components compared to the prior art.
  • the invention thus solves, among other things, the problem whereby hitherto, e.g. Automotive vehicle lamps in the form of taillights, in which a desired radiation characteristic of at least one specific light function both optical fiber and optical disks are provided, optical fibers and optical disks are produced as separate components.
  • a component which has separate, designed as a light guide and as an optical disc games with corresponding respective properties a high quality impression is achieved in a simple manner producible with a high optical quality of the motor vehicle lamp.
  • Fig. 1 shows a schematic representation of a plan view of a component having at least two mutually spatially separated parts, at least one first, designed as a light guide lot with corresponding light guide properties, and at least a second, designed as an optical disc lot with corresponding optical disc properties.
  • the motor vehicle lamp preferably has a through a lamp housing and this final Lens enclosed lamp interior.
  • the lamp interior accommodates at least one light source with at least one light source to fulfill at least one light function of the motor vehicle light.
  • the light source preferably one or more LEDs are used.
  • different light sources can also be used for different light functions.
  • the component 01 has at least two different parts 02, 03, 04, 05.
  • At least one first batch 02, 04 is designed as at least one light guide 06 with corresponding optical fiber properties.
  • At least one second section 03, 05 is designed as at least one optical disk 07 with corresponding optical disk properties.
  • At least two different parts 02, 03, 04, 05 can be assigned to at least two different light functions of the motor vehicle light at least temporarily.
  • a plurality of batches may be assigned to the same lighting functions of the motor vehicle light and / or different batches may be assigned to different lighting functions of the motor vehicle light.
  • all games 02, 03, 04, 05 can be assigned to a taillight function.
  • at least the lot 03, optionally in addition the lot 02 and the lot 04 can be assigned to a brake light function.
  • the portion 02 and the portion 04 of a backlight e.g. are assigned as a taillight function of the motor vehicle light
  • the lot 03 is assigned exclusively to a brake light function
  • the lot 05 is assigned exclusively to a side marker light function.
  • At least two of the at least two parts 02, 03, 04, 05 can be spatially separated from one another.
  • the spatial separation can be realized or produced, for example, by one or more connecting webs 08, 09.
  • At least two different parts 02, 03, 04, 05 or at least two parts 02, 03, 04, 05 adjoin one another.
  • Fig. 1 represented component 01, for example, the games 02, 04 directly adjacent to each other, whereas the games 03 and 05 spatially from each other are separated, the lot 03 of the games 02, 04 is spatially separated by the webs 08 and the lot 05 is spatially separated from the games 02, 04 by the webs 09.
  • the formed as a light guide 06 games 02, 04 can be formed as optical disk 07 games 03, 05 as in the in Fig. 1 Part 01 frame at least partially framed or surrounded. It is also conceivable for one or more parts 03, 05 designed as optical disks 07 to at least partially frame or surround one or more parts 02, 04 designed as optical fibers 06. Also combinations of these are conceivable.
  • the invention can also be realized by a component 01 that is provided for installation in a lamp interior of a motor vehicle light.
  • the component 01 is characterized by at least two different lots 02, 03, 04, 05, at least one first lot 02, 04, which is designed as at least one light guide 06 with corresponding optical fiber properties, and at least one second lot 03, 05, which as at least one optical disk 07 is formed with corresponding optical disk properties.
  • the at least two different lots 02, 03, 04, 05 can be assigned to at least two different light functions of the motor vehicle light at least temporarily. Alternatively or additionally, generally different batches 02, 03, 04, 05 can be assigned to different light functions of the motor vehicle light. Also, multiple lots 02, 03, 04, 05 may be assigned to the same lighting functions of the motor vehicle light.
  • At least two of the at least two parts 02, 03, 04, 05 are spatially separated from one another.
  • the spatial separation is made by at least one connecting web 08, 09.
  • At least two different lots 02, 03, 04, 05 or at least two lots 02, 03, 04, 05 can adjoin one another.
  • the component is preferably made of a transparent material, for example by injection molding.
  • the material is preferably identical for all lots 02, 03, 04, 05 of the component 01, as well as for the optionally provided, at least two lots 02, 03, 04, 05 optionally spatially separating bars 08, 09.
  • a two- or multi-level Injection molding process conceivable in which, for example, for the at least one formed as a light guide 06 batch 02, 04, a different material is used, for example, for the at least one designed as optical disk 07 lot 03, 05.
  • the webs 08, 09 can thereby from the same Material, such as the at least one formed as a light guide 06 lot 02, 04 or the at least one formed as optical disk 07 lot 03, 05 be made.
  • the invention is particularly industrially applicable in the field of production of motor vehicle lights.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP10196046.6A 2010-12-20 2010-12-20 Kraftfahrzeugleuchte Active EP2466197B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10196046.6A EP2466197B1 (de) 2010-12-20 2010-12-20 Kraftfahrzeugleuchte
SI201030455T SI2466197T1 (sl) 2010-12-20 2010-12-20 Luč motornega vozila

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10196046.6A EP2466197B1 (de) 2010-12-20 2010-12-20 Kraftfahrzeugleuchte

Publications (2)

Publication Number Publication Date
EP2466197A1 EP2466197A1 (de) 2012-06-20
EP2466197B1 true EP2466197B1 (de) 2013-10-09

Family

ID=44121578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10196046.6A Active EP2466197B1 (de) 2010-12-20 2010-12-20 Kraftfahrzeugleuchte

Country Status (2)

Country Link
EP (1) EP2466197B1 (sl)
SI (1) SI2466197T1 (sl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102927514B (zh) * 2012-10-31 2015-12-02 安徽江淮汽车股份有限公司 一种日间行车灯总成

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10036324A1 (de) * 2000-07-26 2002-02-07 Hella Kg Hueck & Co Mehrkammerleuchte für Fahrzeuge
JP4118647B2 (ja) * 2002-10-24 2008-07-16 株式会社小糸製作所 車両用標識灯
JP4413764B2 (ja) * 2004-12-10 2010-02-10 株式会社小糸製作所 車両用灯具
JP2006236588A (ja) * 2005-02-22 2006-09-07 Koito Mfg Co Ltd 光照明装置及び車両用灯具
DE102006008717A1 (de) * 2006-02-24 2007-08-30 Volkswagen Ag Leuchtenanordnung für ein Fahrzeug
DE102007033709A1 (de) 2007-07-17 2009-01-22 Volkswagen Ag Fahrzeugleuchtvorrichtung mit einer lichtstreuenden Zwischenlichtscheibe
JP4979565B2 (ja) * 2007-12-14 2012-07-18 株式会社小糸製作所 車両用灯具

Also Published As

Publication number Publication date
SI2466197T1 (sl) 2014-04-30
EP2466197A1 (de) 2012-06-20

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