EP3502557B1 - Dispositif d'éclairage à aspect flottant librement - Google Patents

Dispositif d'éclairage à aspect flottant librement Download PDF

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Publication number
EP3502557B1
EP3502557B1 EP17210074.5A EP17210074A EP3502557B1 EP 3502557 B1 EP3502557 B1 EP 3502557B1 EP 17210074 A EP17210074 A EP 17210074A EP 3502557 B1 EP3502557 B1 EP 3502557B1
Authority
EP
European Patent Office
Prior art keywords
holder
motor vehicle
lamp
vehicle headlamp
flat
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
EP17210074.5A
Other languages
German (de)
English (en)
Other versions
EP3502557A1 (fr
Inventor
Josef Gürtl
Andreas Hölzl
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.)
ZKW Group GmbH
Original Assignee
ZKW Group 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 ZKW Group GmbH filed Critical ZKW Group GmbH
Priority to EP17210074.5A priority Critical patent/EP3502557B1/fr
Priority to KR1020180163854A priority patent/KR102181427B1/ko
Priority to CN201811570541.2A priority patent/CN110006000B/zh
Publication of EP3502557A1 publication Critical patent/EP3502557A1/fr
Application granted granted Critical
Publication of EP3502557B1 publication Critical patent/EP3502557B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/34—Supporting elements displaceable along a guiding element
    • F21V21/35—Supporting elements displaceable along a guiding element with direct electrical contact between the supporting element and electric conductors running along the guiding element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • 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]
    • F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors
    • 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
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F21S43/145—Surface emitters, e.g. organic light emitting diodes [OLED]
    • 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
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—Attachment of light sources or lamp holders
    • F21S43/195—Details of lamp holders, terminals or connectors
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • 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
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • 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]
    • F21Y2115/15—Organic light-emitting diodes [OLED]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/04—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation using electrically conductive adhesives

Definitions

  • the invention relates to a motor vehicle headlight, comprising at least one lamp arrangement with a flat lamp.
  • Flat lights such as organic light-emitting diodes (OLEDs) in particular, are particularly suitable for fulfilling new customer-specific design requirements, such as those relating to special light impressions, for displaying depth effects and implementation due to their homogeneous radiation characteristics, the low installation depth, the almost arbitrary shape and the possibility of segmentation of a floating appearance.
  • OLEDs organic light-emitting diodes
  • These special light impressions, the depiction of depth effects and a free-floating appearance also serve in particular to attract the attention of the beholder and thus represent a gain in safety.
  • Flat lights are usually fixed in a frame or on a holder and wired using plugs and various cable connections or flexible conductors.
  • the construction with frames, brackets and various cabling has certain disadvantages.
  • the free-floating impression is impaired due to the visibility of the electrical connections or the frame, the cabling has to be laid and fixed, and an extensive number of plugs and electrical connections are required, which have to be installed, are difficult to test and thus incur costs .
  • the US 2007/0082578 A1 describes an illuminated balloon system with a display device in the form of a flat lamp.
  • the US 2013/0200783 A1 discloses an electrophysical converter that can be designed as an OLED.
  • the US 2016/0084466 A1 describes a carrier for OLED light sources.
  • the DE 10 2016 212 889 A1 describes a motor vehicle headlight according to the preamble of claim 1.
  • Die EP 2 924 759 A1 describes a light module and a manufacturing method for a light module.
  • the invention it is possible to make the electrical contacting of the flat lamp attached to the holder particularly inexpensive and inconspicuous.
  • the features according to the invention not only enable a simpler and more cost-effective production / assembly of the luminaire arrangement and a lower susceptibility to errors in comparison to complex cabling systems, but also an optimized free-floating impression of the at least one flat luminaire due to the lack of loose cables / conductors and plug connections in the field of vision at the same time good contact in the smallest space.
  • the invention enables a cohesive connection between the flat lamp and the holder and thus good mechanical resistance, small tolerances, an easy-to-automate manufacturing and functional test process with just a few steps, a robust lighting system and great freedom of design and design.
  • the free-floating appearance of the at least one luminous surface which is improved compared to the known solutions mentioned above, particularly easily arouses the attention of a viewer and thus represents a gain in safety.
  • the space-saving, compact design results in a stable assembly with a high design effect, which is particularly advantageous for automotive headlight applications.
  • the installation space in motor vehicle headlamps is known to be scarce due to the large number of light modules and other mostly optical headlight components, so that any additional possibility of saving installation space with a high degree of design and design freedom is of great advantage.
  • the motor vehicle headlight according to the invention can therefore be used usefully for signal light functions and can therefore be a component of a signal light.
  • signal light or “signal light” includes, for example, a daytime running light or a position light.
  • the lamp arrangement is a structural component in a headlight, for example a signal light module in a headlight.
  • headlamp as used herein includes all types of automotive headlamps, particularly headlamps and taillights. The structural design and the light distribution of flat lights, headlights and signal lights is sufficient is known or is usually subject to legal requirements known to the person skilled in the art.
  • flat lamp also referred to synonymously herein as a lamp, refers to lamps with flat light components, for example an organic light-emitting diode (OLED), a light-emitting diode (LED) array or a flat light guide.
  • OLED organic light-emitting diode
  • LED light-emitting diode
  • the luminous surface of the planar luminaire can be essentially planar or it can also be curved. Such lights with flat light components are notoriously known to a person skilled in the art.
  • motor vehicle refers to single or multi-lane motorized land-bound vehicles such as motorcycles, cars, trucks and the like.
  • the flat lamp is preferably an organic light-emitting diode (OLED).
  • OLED organic light-emitting diode
  • the OLED can be, for example, an OLED based on glass, which has one or more luminous surfaces and one rear side facing away from the one or more luminous surfaces.
  • On the back is a contact surface for mechanical and electrical contact between the OLED and the holder.
  • the contact area is advantageously kept very small compared to the area of the flat luminaire, so that contact is made in the smallest possible space and an optimal free-floating appearance is achieved.
  • the at least one holder is essentially elongated.
  • the at least one holder expediently has a first end and a second end opposite the first end, the first end of the holder being mechanically and electrically connected to the contact surface of the flat lamp.
  • the lamp arrangement of the motor vehicle headlight according to the invention can furthermore have a mounting surface on which the second end of the holder is mechanically and electrically connected.
  • the mounting surface can be, for example, a mounting surface or a circuit board that is or is mounted in the interior of a headlight housing.
  • the mounting surface can also be a fastening component with a plug.
  • the at least one essentially elongated holder can be either planar or linear or curved in two or three dimensions.
  • the shape of the An essentially elongated holder depends in particular on the shape and size of the flat lamp attached to it; on the one hand, the flat lamp must be mounted and fastened via the at least one holder, for example in a headlight housing, on the other hand it must be ensured that the free-floating overall impression of the one or more flat lamps of the lamp arrangement remains unaffected; it therefore makes sense that it is advantageous for the free-floating overall impression if the view of the at least one holder for an outside observer is covered by the flat lamp (s).
  • MID molded interconnection device
  • transparent materials such as transparent plastics can also be used to print conductive ink on the holder. Accordingly, the holder can be made of transparent plastic, which results in an additional design advantage with regard to the visibility of the holder and the free-floating appearance of the flat lamps of the lamp arrangement.
  • the flat lamp can be electrically and mechanically connected to the holder by means of the conductive ink, an electrically conductive adhesive (conductive adhesive) or by means of an electrically conductive lacquer (conductive lacquer).
  • conductive adhesives and conductive varnishes are Polytec EC244 and Polytec EC101 (Polytec PT GmbH, Germany), PE-EP600 (Printcolor Screen Ltd, Switzerland), Eposolder 6537 (United Adhesives, Inc., USA), PC 3431 (Heraeus), and To name ICP-4000 (Henkel).
  • the holder printed with conductor tracks made of conductive ink for mechanical and electrical connection of the flat lamp has an adhesive and contact surface which is connected to the contact surface on the back of the flat lamp via an electrically conductive adhesive connection.
  • the conductive ink, the conductive varnish or the conductive adhesive is applied to the adhesive and contact surface of the holder and then the flat lamp, e.g. an OLED, put on and fixed.
  • the conductive ink which is also used for printing the conductor tracks on the holder, is preferably used for the mechanical and electrical connection of the flat lamp to the holder; the conductive ink becomes even further when the conductor tracks are printed up to the area of the holder at which the holder is connected to the contact surface of the flat lamp (for example the adhesive and Contact surface), applied. In this way, the flat lamp is mechanically and electrically connected to the holder only by means of the electrically conductive ink. In the manufacture of the luminaire arrangement, there is no need to apply an additional electrically conductive adhesive (such as conductive adhesive or conductive varnish), thus saving one process step.
  • an additional electrically conductive adhesive such as conductive adhesive or conductive varnish
  • the flat lamp is mechanically connected to the holder by means of a UV-curing adhesive.
  • the holder printed with conductive ink conductors, has an adhesive and contact surface for mechanical and electrical connection of the flat lamp.
  • the adhesive and contact surface of the holder has one or more contact surfaces to make electrical contact with the flat lamp via the contact surface on the back of the lamp and, on the other hand, one or more adhesive surfaces for mechanically attaching the flat lamp using the UV-curing adhesive. This can be done, for example, by printing the conductive ink onto the one or more contact surfaces on the holder and by applying the UV-curing adhesive to the adhesive surface.
  • the flat lamp can in turn have a corresponding adhesive surface on its rear side, and the adhesive surface of the lamp is then glued together with the adhesive surface of the holder by means of the UV-curing adhesive.
  • the conductive ink can be selected from the group consisting of silver-based inks, copper-based inks, inks based on conductive carbon nanoparticles and inks based on conductive carbon nanotubes.
  • the conductive inks mentioned are well known from the prior art.
  • Well-known manufacturers of conductive inks are, for example, Inkron, Finland, Printcolor Screen Ltd, Switzerland, and PV Nano Cell Ltd, Israel.
  • Representative examples of conductive inks are the products Sicrys TM 150T-11, Sicrys TM IC25EG-1, Sicrys TM IC50TM-8 from the manufacturer PV Nano Cell Ltd., the product IDA-125C from the manufacturer Inkron or the product PE-AG510 Silver Conductive Ink from the manufacturer Printcolor Screen Ltd. to call.
  • the conductive tracks made of conductive ink are printed on the holder, ie on the surface of the holder.
  • these are Conductor tracks are formed on the holder from conductive ink applied by means of ink jet printing.
  • the lamp arrangement comprises two or more holders, each with flat lamps attached to it.
  • the individual flat lights can be positioned differently from each other. In this way, a three-dimensional and compact structure with a high level of design freedom is possible with easy-to-implement and good electrical contacting in a confined space.
  • the various elements can be positioned with respect to one another with a high degree of accuracy.
  • the lamp arrangement comprises an electrical circuit integrated on or in the holder.
  • the circuit is expediently positioned on or in the holder in areas which the viewer cannot see, so that the floating overall impression of the lamp arrangement is not disturbed.
  • the integration of the circuit on or in the holder has the advantages that the installation space can be reduced and used effectively and additional installation and wiring effort is eliminated. It should be mentioned again that in particular the installation space in motor vehicle headlights is limited due to the large number of light modules and other mostly optical headlight components, so that any additional possibility of saving installation space is advantageous.
  • the lamp arrangement is a structural component or a light module of a motor vehicle headlight.
  • the lighting device is therefore in the form of a motor vehicle headlight, in particular in the form of a headlight or a rear light.
  • modern motor vehicle headlights often have a plurality of light modules which, taken on their own or in combination, can take over individual light functions. These light modules are often arranged in close proximity to one another in a headlight housing.
  • the motor vehicle headlight is expediently constructed in accordance with known headlight construction principles and comprises a housing with a light exit opening which is covered with a diffusing screen, the at least one lamp arrangement being arranged in the housing.
  • the motor vehicle headlight according to In particular, the invention can include at least one light module and at least one lamp arrangement as disclosed herein.
  • the motor vehicle headlight has the shape of a headlight.
  • the structure of a headlight is known to the relevant expert. Headlights often include several light modules, e.g. a daytime running light unit, a low beam unit, a high beam unit, a flashing light unit etc. Accordingly, the respective light modules of the headlamp can form the light distribution of a low beam, a high beam, a daytime running light, a flashing light, etc.
  • a headlight according to the invention therefore comprises, in addition to the light modules known per se, at least one lamp arrangement as disclosed herein.
  • the motor vehicle headlight has the shape of a rear light.
  • the structure of a rear light is known to the person skilled in the art.
  • Tail lights often include multiple light modules, e.g. a tail light unit, a brake light unit, a flashing light unit, etc. Accordingly, the respective light modules of the rear lamp can form the light distribution of a tail light, a brake light, a flashing light, etc.
  • a tail light according to the invention therefore comprises, in addition to the light modules known per se, at least one light arrangement as disclosed herein.
  • Another object of the invention is a motor vehicle comprising a motor vehicle headlight according to the invention as disclosed herein.
  • Fig. 1 shows a perspective view of an exemplary lamp arrangement 100.
  • the lamp arrangement 100 comprises a total of three elongated and curved holders 101a, 101b, 101c of different lengths and three flat lamps in the form of three flame-shaped OLEDs 102a, 102b, 102c, 103a, 103b, 103c (cf. Fig. 3 ) each holder 101a, 101b, 101c each has an OLED 102a, 102b, 102c attached and mechanically and electrically connected to the respective holder 101a, 101b, 101c.
  • the compact and space-saving construction results in a stable assembly with a floating appearance, ie for an outside observer of the lamp arrangement 100 it appears that the OLEDs 102a, 102b, 102c are floating freely.
  • the OLEDs 102a, 102b, 102c are flame-shaped and glass-based OLEDs with luminous surfaces 106a, 106b, 106c, which are also flame-shaped.
  • the luminous surfaces 106a, 106b, 106c face the viewer.
  • the design or configuration of the OLEDs can also be different.
  • another planar luminaire such as a light-emitting diode (LED) array or a planar light guide including a light source can also be provided.
  • the holders 101a, 101b, 101c are fastened at their respective second ends 104a, 104b, 104c to a mounting plate 105 and are electrically and mechanically connected to the mounting plate 105.
  • Fig. 1 also shows a plug 107 fastened on the mounting plate 105 for the electrical connection of the lamp arrangement 100 to the motor vehicle, for example if the lamp arrangement 100 is installed in a headlight. By means of the mounting plate 105, the lamp arrangement 100 is then mounted, for example, together with other light modules in the headlight housing.
  • a circuit board / printed circuit board can also be provided as the mounting surface for the fastening and electrical contacting of the holders 101a, 101b, 101c.
  • the arrangement of the three holders 101a, 101b, 101c on the mounting plate 105 is in detail and without the OLEDs 102a, 102b, 102c and the connector 107 in FIG Fig. 3 shown.
  • the three holders 101a, 101b, 101c for electrically contacting the OLEDs 102a, 102b, 102c comprise metallic conductor tracks 108a, 108b, 108c, which are printed with conductive ink on the respective holders 101a, 101b, 101c, ie on the surface thereof.
  • the metallic conductor tracks 108a, 108b, 108c extend along the entire length of the holders 101a, 101b, 101c from the first end 103a, 103b, 103c to the second end 104a, 104b, 104c.
  • conductive inks are suitable, with which printing on the holders 101a, 101b, 101c is possible.
  • One skilled in the art will readily be able to select a suitable conductive ink for printing on traces 108a, 108b, 108c based on the material from which the holder (s) are made.
  • the conductor tracks 108a, 108b, 108c can be printed on, for example, by means of inkjet printing.
  • the holders 101a, 101b, 101c are typically made of plastic and preferably made of transparent plastic.
  • the use of transparent plastic results in an additional design advantage with regard to the (in this case low) visibility of the holders 101a, 101b, 101c and the free-floating one Appearance of OLEDs 102a, 102b, 102c.
  • the OLEDs 102a, 102b, 102c are also spatially different from one another and enable the implementation of complex three-dimensional designs and lighting impressions with good electrical contacting in the smallest space.
  • Fig. 3 shows a further example of the arrangement of a holder 201 on a mounting plate 205 of a lamp arrangement.
  • the only difference to that in Fig. 1 2 or luminaire arrangement 100 or holder arrangement is that instead of three holders 101a, 101b, 101c, only exactly one holder 201 is provided for a flat luminaire / OLED (not shown).
  • the above comments on the 1 and 2 apply analogously and analogously to the in Fig. 3 Example shown with only one holder 201.
  • the holder 201 also has a first end 203 and 204 and for the electrical contacting of the (not shown) OLED conductor tracks 208, which are printed on the holder 201 with conductive ink.
  • the metallic conductor tracks 208 extend along the entire length of the holder 201 from the first end 203 to the second end 204.
  • Fig. 4 shows a detailed top view of the first end 103a, 103b, 103c, 203 shown in FIGS Fig. 1-3 shown holder 101a, 101b, 101c, 201.
  • the respective OLED 102a, 102b, 102c opposite the respective luminous surface 106a, 106b, 106c each have a corresponding contact surface (or adhesive and contact surface) arranged.
  • the respective adhesive and contact surface on the back of the respective OLED 102a, 102b, 102c are electrically and mechanically connected to the respective first end 103a, 103b, 103c, 203 of the respective holder 101a, 101b, 101c, 201.
  • the conductor tracks 108a, 108b, 108c, 208 made of conductive ink extend along the length of the holders 101a, 101b, 101c, 201 to the contact surfaces 303a, 303b; ie the conductive ink is printed on the contact areas 303a, 303b.
  • an adhesive for example a UV-curing adhesive, is applied to the adhesive surface 303c.
  • a single surface can be provided at the first end of the holder, which has a fastening function and a contacting function at the same time.
  • the mechanical and electrical connection between OLED and holder can be made, for example, by applying an electrically conductive adhesive (conductive adhesive) or an electrically conductive lacquer (conductive lacquer).
  • conductive adhesive electrically conductive adhesive
  • conductive lacquer electrically conductive lacquer
  • the conductive ink itself which is used for the production of the conductor tracks, can also be used for the mechanical and electrical connection between the OLED and the holder.
  • the lighting device can also comprise an electrical circuit (not shown) integrated on or in the holder 101a, 101b, 101c, 201.
  • the invention can be modified in any manner known to the person skilled in the art and is not restricted to the embodiments shown. Individual aspects of the invention can also be taken up and largely combined with one another. What is essential are the ideas on which the invention is based, which in view of this teaching can be carried out in a variety of ways by a person skilled in the art and nevertheless remain as such.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Electroluminescent Light Sources (AREA)

Claims (12)

  1. Projecteur de véhicule à moteur comprenant au moins un dispositif lumineux (100), dans lequel le dispositif lumineux (100) comprend au moins un support (101a, 101b, 101c, 201) et un luminaire plat (102a, 102b, 102c) disposée sur le support (101a, 101b, 101c, 201), caractérisé en ce que le luminaire plat (102a, 102b, 102c) comprend au moins une plage éclairante (106a, 106b, 106c) et une face arrière du côté opposée à ladite au moins une plage éclairante (106a, 106b, 106c), sur ladite face arrière du luminaire plat (102a, 102b, 102c) une surface de contact étant disposée et le luminaire plat (102a, 102b, 102c) étant connectée sur la surface de contact mécaniquement et électriquement avec ledit au moins un support (101a, 101b, 101c, 201), le support (101a, 101b, 101c, 201) comportant pistes conductives métalliques (108a, 108b, 108c, 208) pour la contact électrique du luminaire plat (102a, 102b, 102c), les pistes conductives métalliques étant appliqué avec de l'encre conductrice sur le support (101a, 101b, 101c, 201), et en ce que ledit au moins un support (101a, 101b, 101c, 201) comprend une surface d'adhésif de contact qui est électriquement et mécaniquement liée à la surface de contact sur la face arrière du luminaire plat (102a, 102b, 102c) au moyen de l'encre conductrice, d'un adhésif conducteur électrique ou au moyen d'une peinture conductrice.
  2. Projecteur de véhicule à moteur selon la revendication 1, caractérisé en ce que le luminaire plat (102a, 102b, 102c) est une diode électroluminescente organique (OLED).
  3. Projecteur de véhicule à moteur selon la revendication 1 ou 2, caractérisé en ce que ledit au moins un support (101a, 101b, 101c, 201) est essentiellement de forme allongée.
  4. Projecteur de véhicule à moteur selon la revendication 3, caractérisé en ce que ledit au moins un support (101a, 101b, 101c, 201) comprend une première extrémité (103a, 103b, 103c, 203) et un deuxième extrémité (104a, 104b, 104c) opposée à la première extrémité (103a, 103b, 103c, 203), 204), dans laquel la première extrémité (103a, 103b, 103c, 203) du support est mécaniquement et électriquement liée à la surface de contact du luminaire plat (102a, 102b, 102c).
  5. Projecteur de véhicules à moteur selon la revendication 4, caractérisé par une surface de montage (105, 205) à laquelle la deuxième extrémité (104a, 104b, 104c, 204) du support (101a, 101b, 101c, 201) est liée mécaniquement et électriquement.
  6. Projecteur de véhicule à moteur selon l'une quelconque des revendications 3 à 5, caractérisé en ce que caractérisé en ce que le ou les supports (101a, 101b, 101c, 201) sont plats ou réalisés courbés en deux ou trois dimensions.
  7. Projecteur de véhicule à moteur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'encre conductrice est choisie dans le groupe constitué par les encres à base d'argent, encres à base de cuivre, encres à base de nanoparticules de carbone conductrices et encres à base de nanotubes de carbone conducteurs.
  8. Projecteur de véhicule à moteur selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le dispositif lumineux (100) comprend deux ou plusieurs supports (101a, 101b, 101c) avec des luminaires plates respectives (102a, 102b, 102c) fixées dessus.
  9. Projecteur de véhicule à moteur selon la revendication 8, caractérisé en ce que les luminaires plats individuels (102a, 102b, 102c) sont positionnés déplacés spatialement les uns des autres.
  10. Projecteur de véhicule à moteur selon l'une quelconque des revendications 1 à 9, caractérisé par un circuit électrique intégré sur ou dans le support (101a, 101b, 101c, 201).
  11. Projecteur de véhicule à moteur selon l'une quelconque des revendications 1 à 10, sous la forme d'un phare avant ou un feu arrière.
  12. Véhicule à moteur comprenant un projecteur de véhicule à moteur selon l'une quelconque des revendications 1 à 11.
EP17210074.5A 2017-12-22 2017-12-22 Dispositif d'éclairage à aspect flottant librement Active EP3502557B1 (fr)

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EP17210074.5A EP3502557B1 (fr) 2017-12-22 2017-12-22 Dispositif d'éclairage à aspect flottant librement
KR1020180163854A KR102181427B1 (ko) 2017-12-22 2018-12-18 자유 부동 형상을 갖는 램프 어셈블리
CN201811570541.2A CN110006000B (zh) 2017-12-22 2018-12-21 带有自由悬浮外观的发光组件

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DE102016212889A1 (de) * 2015-07-15 2017-01-19 Koito Manufacturing Co., Ltd. Fahrzeuglampe

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DE102016212889A1 (de) * 2015-07-15 2017-01-19 Koito Manufacturing Co., Ltd. Fahrzeuglampe

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CN110006000B (zh) 2022-01-18
CN110006000A (zh) 2019-07-12
KR20190076866A (ko) 2019-07-02
EP3502557A1 (fr) 2019-06-26
KR102181427B1 (ko) 2020-11-24

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