EP3502557A1 - Lighting system with free floating appearance - Google Patents
Lighting system with free floating appearance Download PDFInfo
- Publication number
- EP3502557A1 EP3502557A1 EP17210074.5A EP17210074A EP3502557A1 EP 3502557 A1 EP3502557 A1 EP 3502557A1 EP 17210074 A EP17210074 A EP 17210074A EP 3502557 A1 EP3502557 A1 EP 3502557A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- holder
- luminaire
- arrangement according
- planar
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000011852 carbon nanoparticle Substances 0.000 claims description 2
- 239000002041 carbon nanotube Substances 0.000 claims description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000007639 printing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 241000047428 Halter Species 0.000 description 3
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- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
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Images
Classifications
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- 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 luminaire arrangement comprising at least one holder and a planar luminaire arranged on the holder, wherein the planar luminaire comprises at least one luminous surface and one rear side facing away from the at least one luminous surface, a contact surface being arranged on the rear side and the flat luminaire being arranged on the contact surface is mechanically and electrically connected to the at least one holder.
- OLEDs organic light-emitting diodes
- flat luminaires such as, in particular, organic light-emitting diodes (OLEDs) are suitable for depicting depth effects and implementation because of their homogeneous emission characteristic, the small installation depth, the almost arbitrary shaping and the possibility of segmentation especially for the fulfillment of new customer-specific design requirements, such as with respect to special lighting impressions a free-floating appearance.
- OLEDs organic light-emitting diodes
- Flat lights are usually fixed in a frame or on a holder and wired by means of plugs and various cable connections or flexible conductors. Due to the structure with frame, holders and various cabling but there are certain disadvantages. In particular, due to the visibility of the electrical connections or the frame, the free-floating impression is compromised, the wiring must be routed and fixed, and a considerable number of connectors and electrical connections are required, which must be mounted, difficult to test, and thus incur costs ,
- the holder for electrically contacting the planar luminaire comprises metallic interconnects printed with conductive ink on the holder.
- the invention it is possible to make the electrical contact of the fastened to the holder flat light particularly inexpensive and inconspicuous.
- the features of the invention not only allow a simpler and more cost-effective production / assembly of the lamp assembly and lower error rate compared to complex cabling systems, but also an optimized free-floating impression of at least a flat lamp due to the absence of loose cable / conductor and connectors in the field of view at the same time good contact in the smallest space.
- the invention enables a cohesive connection between the planar light and the holder and thus a good mechanical resistance, small tolerances, easy to automate manufacturing and functional testing process with a few steps, a robust lighting system and a great design and design freedom.
- the improved in comparison to the above-mentioned known solutions free-floating appearance of the at least one luminous surface attracts the attention of a viewer particularly easily and thus represents a security gain.
- the space-saving compact design realizes a stable assembly with a high design effect, which is particularly advantageous for motor vehicle headlight applications.
- the installation space in motor vehicle headlights is known to be tight due to the large number of light modules and other mostly optical headlight components, so that any additional possibility of saving space while maintaining high design and design freedom is a great advantage.
- the lighting arrangement according to the invention can therefore be usefully used for signal light functions and can therefore be a building component of a signal light.
- signal light or “signal light” includes, for example, a daytime running light or a limiting light.
- the luminaire arrangement may also be a structural component in a headlight, for example a signal light module in a headlight.
- headlamp as used herein includes all types of Motor vehicle headlights, in particular headlights and tail lights. The structural design and the light distribution of flat lights, headlamps and signal lights is well known or usually subject to legal requirements that are known in the art.
- flat luminaire also referred to herein as a luminaire, refers to luminaires with planar light components, for example an organic light-emitting diode (OLED), a light-emitting diode (LED) array or a planar light guide.
- OLED organic light-emitting diode
- LED light-emitting diode
- planar light guide The luminous surface of the planar luminaire can be substantially planar or even curved.
- Such luminaires with flat light components are notoriously known to a person skilled in the art.
- motor vehicle refers to single or multi-lane motorized land vehicles such as motorcycles, cars, trucks and the like.
- the flat luminaire is preferably an organic light-emitting diode (OLED).
- OLED organic light-emitting diode
- the OLED can be a glass-based OLED which has one or more luminous surfaces and a rear side facing away from the one or more luminous surfaces.
- On the back is a contact surface for the mechanical and electrical contacting of the OLED with the holder.
- the contact surface is kept very small in comparison to the surface of the flat light with advantage, so that a contact can be realized in the smallest possible space and an optimal free-floating appearance.
- the at least one holder is substantially elongated.
- the at least one holder has a first end and a second end opposite the first end, wherein the first end of the holder is mechanically and electrically connected to the contact surface of the flat lamp.
- the light assembly according to the invention may further comprise a mounting surface to which the second end of the holder is mechanically and electrically connected.
- the mounting surface may be, for example, a mounting surface or a circuit board, which is mounted or mounted in the interior of a headlight housing.
- the mounting surface may also be a fastening component with a plug.
- the at least one substantially elongated shaped holder can be formed either flat or linear or arched two- or three-dimensionally.
- the shape of the substantially elongate shaped holder depends in particular on the shape and the size of the attached surface lamp;
- the planar light has to be mounted and fixed over the at least one holder, for example, in a headlight housing, on the other hand, care must be taken that the free-floating overall impression of the one or more flat lights of the light assembly remains unaffected; It is therefore clear that it is advantageous for the free-floating overall impression if the view of the at least one holder for an outside observer is obscured by the planar light (s).
- MID molded interconnection device
- transparent materials such as transparent plastics can be used to print conductive ink onto the holder. Accordingly, the holder can be made of transparent plastic, resulting in an additional design advantage in terms of visibility of the holder and the free-floating appearance of the surface lights of the light assembly results.
- the planar light 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 ink).
- conductive adhesives and conductive inks 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 ICP-4000 (Henkel).
- the printed with printed conductors of conductive ink holder for mechanical and electrical connection of the planar light having an adhesive and contact surface, which is connected to the contact surface on the back of the flat light via an electrically conductive adhesive connection.
- the conductive ink, the conductive ink or the conductive adhesive is applied to the adhesive and contact surface of the holder and then the flat light, e.g. an OLED, put on and fixed.
- the conductive ink which is also used for printing the conductor tracks on the holder, used;
- the conductive ink when printing the Track s even further up to that holder area where the holder is connected to the contact surface of the sheet light (eg, the above-mentioned adhesive and contact surface) applied.
- the planar light is mechanically and electrically connected only by means of the electrically conductive ink with the holder. It saves the production of the lamp assembly, the application of an additional electrically conductive adhesive (such as conductive adhesive or conductive ink) and thus saves a process step.
- the planar light is mechanically connected to the holder by means of a UV-curing adhesive.
- the holder printed with printed conductors made of conductive ink has an adhesive and contact surface for the mechanical and electrical connection of the planar lamp.
- the adhesive and contact surface of the holder has in this variant, on the one hand, one or more contact surfaces to electrically contact the sheet light on the contact surface on the back of the lamp and on the other hand, one or more adhesive surfaces for mechanically attaching the sheet light by means of the UV-curing adhesive. This can be done, for example, by printing the conductive ink on the one or more contact surfaces on the holder and by applying the UV-curing adhesive on the adhesive surface.
- the flat light can in turn have on its back a corresponding adhesive surface, 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 may be selected from the group consisting of silver-based inks, copper-based inks, conductive carbon nanoparticle-based inks, and conductive carbon nanotube inks.
- Said conductive inks are well known in the 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 include the products Sicrys TM 150T-11, Sicrys TM IC25EG-1, Sicrys TM IC50 TM -8 manufactured by PV Nano Cell Ltd., the product IDA-125C manufactured by Inkron or the product PE-AG510 Silver Conductive Ink of the manufacturer Printcolor Screen Ltd. to call.
- the printed conductors of conductive ink are inventively printed on the holder, ie on the surface of the holder.
- the conductor tracks are formed on the holder from inkjet-printed conductive ink.
- the luminaire arrangement comprises two or more holders, each with flat lights mounted thereon.
- the individual flat lights can be spatially different from each other.
- a three-dimensional and compact design with high design and design freedom is possible at the same time easy to implement and good electrical contact in a confined space.
- the various elements can be positioned with high accuracy to each other.
- the luminaire arrangement comprises an electrical circuit integrated on or in the holder.
- the circuit is suitably positioned on or in the holder in areas which can not be viewed by the viewer, so that the floating overall impression of the lighting arrangement is not disturbed.
- the integration of the circuit on or in the holder has the advantages that the space can be reduced and effectively used and additional installation and wiring is eliminated. It should be mentioned again that, in particular, the installation space in motor vehicle headlights is tight due to the large number of light modules and other mostly optical headlight components, so that every additional possibility of saving space is advantageous.
- Another object of the invention is a lighting device for a motor vehicle, comprising at least one lighting arrangement according to the invention and as described herein.
- the luminaire arrangement according to the invention may, in certain variants, be a structural component of a stand-alone luminaire for a motor vehicle which, apart from the light function fulfilled by the luminaire arrangement, contains no further light functions or light modules.
- Such standalone automotive lights typically include a housing having a light exit opening which is concealed with a cover, wherein the at least one light assembly is disposed in the housing.
- the single person Light may be eg a signal light or a headlight, eg in the form of a standalone front light, side light or rear light.
- the luminaire arrangement may be a Baukompenente or a light module of a motor vehicle headlight.
- the illumination device according to the invention can therefore be in the form of a motor vehicle headlight, in particular in the form of a headlight or a rear light.
- the luminaire arrangement is therefore in this aspect not a single luminaire as described above, but a structural component of a motor vehicle headlight.
- modern motor vehicle headlights often have a plurality of light modules which, taken individually or in combination, can assume individual light functions. These light modules are often arranged in close proximity to each other in a spotlight housing.
- the motor vehicle headlamp is constructed according to known headlamp design principles and includes a housing with a light exit opening, which is covered with a lens, wherein the at least one lamp assembly is disposed in the housing.
- the motor vehicle headlight may in particular comprise at least one light module and at least one light assembly according to the invention as disclosed herein.
- the motor vehicle headlight has the form of a headlight.
- the construction of a headlight is known to the person skilled in the art.
- Headlamps often include multiple light modules, e.g. a daytime running light unit, a low beam unit, a high beam unit, a flashing light unit, etc.
- 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.
- An inventive headlamp therefore includes, in addition to the light modules known per se, at least one luminaire arrangement according to the invention.
- the motor vehicle headlight has the shape of a tail light.
- the construction of a tail light is known to the skilled person.
- Rear lights often include multiple light modules, such as a taillight unit, a brake light unit, a flashing light unit, etc.
- the respective light modules of the taillight, the light distribution of a tail light, a brake light, a flashing light, etc. form.
- a tail lamp according to the invention therefore comprises, in addition to the light modules known per se, at least one lighting arrangement according to the invention.
- a further subject of the invention is a motor vehicle which comprises a luminaire arrangement according to the invention as disclosed herein and / or a lighting device according to the invention for a motor vehicle, in particular a motor vehicle headlight, as disclosed herein.
- Fig. 1 shows a perspective view of an exemplary light assembly 100 according to the invention.
- the luminaire arrangement 100 comprises a total of three longitudinally shaped and curved holders 101a, 101b, 101c of different lengths and three planar luminaires in the form of three flame-shaped OLEDs 102a, 102b, 102c, wherein at a first end 103a, 103b, 103c (see FIG. Fig. 3 ) of each holder 101a, 101b, 101c are each attached to an OLED 102a, 102b, 102c and mechanically and electrically connected to the respective holder 101a, 101b, 101c.
- Fig. 3 shows a perspective view of an exemplary light assembly 100 according to the invention.
- the OLEDs 102a, 102b, 102c are flame-shaped and glass-based OLEDs with luminous surfaces 106a, 106b, 106c likewise designed in the shape of a flame.
- the luminous surfaces 106a, 106b, 106c facing the viewer.
- the design or the design of the OLEDs can also be different.
- another flat luminaire such as a luminaire, may also be used.
- a light emitting diode (LED) array or a planar light guide including light source can be provided.
- the holders 101a, 101b, 101c are fixed with their respective second end 104a, 104b, 104c to a mounting plate 105 and electrically and mechanically connected to the mounting plate 105.
- Fig. 1 also shows a mounted on the mounting plate 105 connector 107 for electrically connecting the lamp assembly 100 to the vehicle, for example, when the lamp assembly 100 is installed in a headlight.
- the light assembly 100 is then mounted together with other light modules in the headlight housing, for example.
- a circuit board / circuit board can also be provided as a mounting surface for the mounting and electrical contacting of the holders 101a, 101b, 101c.
- the three holders 101a, 101b, 101c for electrically contacting the OLEDs 102a, 102b, 102c comprise metallic interconnects 108a, 108b, 108c which are coated with conductive ink onto the respective holders 101a, 101b, 101c, i. on the surface of which are printed.
- the metallic traces 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 a printing of the holders 101a, 101b, 101c is possible.
- One skilled in the art will readily be able to select a suitable conductive ink for printing the traces 108a, 108b, 108c according to the material of which the holder (s) are made.
- the printing of the printed conductors 108a, 108b, 108c can take place for example by means of inkjet printing.
- the holders 101a, 101b, 101c are typically made of plastic and preferably of transparent plastic.
- the use of transparent plastic provides an additional design advantage with respect to the (in this case low) visibility of the holders 101a, 101b, 101c and the free-floating appearance of the OLEDs 102a, 102b, 102c.
- the OLEDs 102a, 102b, 102c are also positioned spatially different from one another and enable the realization of complex three-dimensional designs and light impressions with simultaneously good electrical contacting in the smallest space.
- Fig. 3 shows another example of the arrangement of a holder 201 on a mounting plate 205 of a lamp assembly according to the invention.
- the only difference to the in Fig. 1 or 2 shown lamp assembly 100 or holder assembly is that instead of three holders 101a, 101b, 101c only exactly one holder 201 is provided for a (not shown) surface light / OLED.
- the above remarks on the Fig. 1 and 2 apply analogously and mutatis mutandis to the in Fig. 3
- the holder 201 has a first end 203 and 204 and for electrically contacting the (not shown) OLED traces 208, which are printed with conductive ink on the holder 201, on.
- the metallic interconnects 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 plan view of the first end 103a, 103b, 103c, 203 of the in the Fig. 1-3
- an adhesive and contact surface 300 On the respective first ends 103a, 103b, 103c, 203 is an adhesive and contact surface 300, which in the example shown, two contact surfaces 303a, 303b for electrically contacting the respective OLEDs 102a, 102b, 102c, as well as an adhesive surface 303c for mechanically fixing the OLEDs 102a, 102b, 102c on the respective holder 101a, 101b, 101c, 201.
- a corresponding contact surface (or gluing and contact surface) is arranged on the respective luminous surface 106a, 106b, 106c opposite back of the respective OLED 102a, 102b, 102c in each case a corresponding contact surface (or gluing and contact surface) is arranged.
- the respective adhesive and contact surfaces on the rear side of the respective OLEDs 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 conductive ink traces 108a, 108b, 108c, 208 extend along the length of the holders 101a, 101b, 101c, 201 up to the contact surfaces 303a, 303b; ie, the conductive ink is printed on the contact surfaces 303a, 303b.
- an adhesive for example a UV-curing adhesive, is applied to the adhesive surface 303c.
- a single surface may be provided, which at the same time has fastening function and contacting function.
- the mechanical and electrical connection between OLED and holder can be done for example by applying an electrically conductive adhesive (conductive adhesive) or an electrically conductive paint (conductive paint).
- conductive adhesive electrically conductive adhesive
- conductive paint electrically conductive paint
- the conductive ink itself which is used for the production of the conductor tracks, can be used for the mechanical and electrical connection between the OLED and the holder.
- the lighting device may further comprise an electrical circuit (not shown) integrated with or in the holder 101a, 101b, 101c, 201.
- the invention may be modified in any manner known to those skilled in the art and is not limited to the embodiments shown. Also, individual aspects of the invention can be taken up and largely combined with each other. Essential are the ideas underlying the invention, which in view of this doctrine can be performed by a person skilled in many ways and still remain maintained 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)
Abstract
Die erfindungsgemäße Leuchtenanordnung (100) umfasst zumindest einen Halter (101a, 101b, 101c, 201) und eine an dem Halter (101a, 101b, 101c, 201) angeordnete flächige Leuchte (102a, 102b, 102c), wobei die flächige Leuchte (102a, 102b, 102c) mindestens eine leuchtende Fläche (106a, 106b, 106c) und eine der mindestens einen leuchtenden Fläche (106a, 106b, 106c) abgewandte Rückseite umfasst, wobei auf der Rückseite eine Kontaktfläche angeordnet ist und die flächige Leuchte (102a, 102b, 102c) an der Kontaktfläche mechanisch und elektrisch mit dem zumindest einen Halter (101a, 101b, 101c, 201) verbunden ist, wobei der Halter (101a, 101b, 101c, 201) zur elektrischen Kontaktierung der flächigen Leuchte (102a, 102b, 102c) metallische Leiterbahnen (108a, 108b, 108c, 208) umfasst, die mit leitfähiger Tinte auf den Halter (101a, 101b, 101c, 201) gedruckt sind. Die Erfindung bezieht sich ferner auf einen Kraftfahrzeugscheinwerfer mit einer solchen Leuchtenanordnung (100). The luminaire arrangement (100) according to the invention comprises at least one holder (101a, 101b, 101c, 201) and a flat luminaire (102a, 102b, 102c) arranged on the holder (101a, 101b, 101c, 201), the planar luminaire (102a , 102b, 102c) comprises at least one luminous surface (106a, 106b, 106c) and one rear side facing away from the at least one luminous surface (106a, 106b, 106c), wherein a contact surface is arranged on the rear side and the planar luminaire (102a, 102b , 102c) is mechanically and electrically connected to the at least one holder (101a, 101b, 101c, 201) at the contact surface, wherein the holder (101a, 101b, 101c, 201) for electrically contacting the planar lamp (102a, 102b, 102c ) comprises metallic traces (108a, 108b, 108c, 208) printed on the holder (101a, 101b, 101c, 201) with conductive ink. The invention further relates to a motor vehicle headlight with such a light assembly (100).
Description
Die Erfindung betrifft eine Leuchtenanordnung umfassend zumindest einen Halter und eine an dem Halter angeordnete flächige Leuchte, wobei die flächige Leuchte mindestens eine leuchtende Fläche und eine der mindestens einen leuchtenden Fläche abgewandte Rückseite umfasst, wobei auf der Rückseite eine Kontaktfläche angeordnet ist und die flächige Leuchte an der Kontaktfläche mechanisch und elektrisch mit dem zumindest einen Halter verbunden ist.The invention relates to a luminaire arrangement comprising at least one holder and a planar luminaire arranged on the holder, wherein the planar luminaire comprises at least one luminous surface and one rear side facing away from the at least one luminous surface, a contact surface being arranged on the rear side and the flat luminaire being arranged on the contact surface is mechanically and electrically connected to the at least one holder.
Flächige Leuchten wie insbesondere organische Leuchtdioden (OLEDs) eignen sich aufgrund ihrer homogenen Abstrahlcharakteristik, der geringer Bauraumtiefe, der annähernd beliebigen Formgebung sowie der Möglichkeit der Segmentierung speziell für die Erfüllung neuer kundenspezifischer Designansprüche, wie beispielsweise bezüglich spezieller Leuchteindrücke, zur Darstellung von Tiefeneffekten und der Umsetzung eines frei schwebenden Erscheinungsbilds. Diese speziellen Leuchteindrücke, die Darstellung von Tiefeneffekten und einer frei schwebenden Anmutung dienen insbesondere auch dazu, die Aufmerksamkeit des Betrachters zu erwecken und stellen somit einen Sicherheitsgewinn dar.Flat luminaires such as, in particular, organic light-emitting diodes (OLEDs) are suitable for depicting depth effects and implementation because of their homogeneous emission characteristic, the small installation depth, the almost arbitrary shaping and the possibility of segmentation especially for the fulfillment of new customer-specific design requirements, such as with respect to special lighting impressions a free-floating appearance. These special light impressions, the representation of depth effects and a free-floating appearance are used in particular to arouse the attention of the beholder and thus represent a security gain.
Flächige Leuchten werden normalerweise in einem Rahmen oder auf einem Halter fixiert und mittels Stecker und diversen Kabelverbindungen oder flexiblen Leitern verkabelt. Durch den Aufbau mit Rahmen, Haltern und diversen Verkabelungen ergeben sich jedoch bestimmte Nachteile. Insbesondere ist der frei schwebende Eindruck aufgrund der Sichtbarkeit der elektrischen Verbindungen oder des Rahmens beeinträchtigt, die Verkabelung muss verlegt und fixiert werden und es sind eine erkleckliche Anzahl an Steckern und elektrischen Verbindungen erforderlich, die montiert werden müssen, schwierig zu prüfen sind und somit Kosten verursachen.Flat lights are usually fixed in a frame or on a holder and wired by means of plugs and various cable connections or flexible conductors. Due to the structure with frame, holders and various cabling but there are certain disadvantages. In particular, due to the visibility of the electrical connections or the frame, the free-floating impression is compromised, the wiring must be routed and fixed, and a considerable number of connectors and electrical connections are required, which must be mounted, difficult to test, and thus incur costs ,
Es ist eine Aufgabe der Erfindung, die zuvor genannten Nachteile zu beseitigen und eine Leuchtenanordnung bereitzustellen, die ein im Vergleich verbessertes frei schwebendes Erscheinungsbild aufweist und auf einer einfach zu realisierenden und einer hinsichtlich der Produktion der Leuchtenanordnung besonders kostensparenden elektrischen Kontaktierung der flächigen Leuchte beruht.It is an object of the invention to eliminate the aforementioned drawbacks and to provide a luminaire assembly which has a comparatively improved free-floating appearance and based on an easy to implement and with respect to the production of the luminaire arrangement particularly cost-saving electrical contact of the flat lamp.
Diese Aufgaben werden durch eine Leuchtenanordnung wie eingangs genannt dadurch gelöst, dass erfindungsgemäß der Halter zur elektrischen Kontaktierung der flächigen Leuchte metallische Leiterbahnen umfasst, die mit leitfähiger Tinte auf den Halter gedruckt sind.These objects are achieved by a luminaire arrangement as mentioned at the outset in that, according to the invention, the holder for electrically contacting the planar luminaire comprises metallic interconnects printed with conductive ink on the holder.
Dank der Erfindung ist es möglich, die elektrische Kontaktierung der am Halter befestigten flächigen Leuchte besonders kostengünstig und unscheinbar zu gestalten. Die erfindungsgemäßen Merkmale ermöglichen nicht nur eine einfachere und kostengünstigere Herstellung/Montage der Leuchtenanordnung und eine geringere Fehleranfälligkeit im Vergleich zu komplexen Verkabelungssystemen, sondern auch einen optimierten frei schwebenden Eindruck der zumindest einen flächigen Leuchte durch das Fehlen loser Kabel/Leiter und Steckverbindungen im Sichtbereich bei gleichzeitig guter Kontaktierung auf kleinstem Raum. Die Erfindung ermöglicht eine stoffschlüssige Verbindung zwischen der flächigen Leuchte und der Halterung und somit eine gute mechanische Beständigkeit, kleine Toleranzen, einen einfach zu automatisierenden Herstellungs- und Funktionsprüfungsprozess mit wenigen Schritten, ein robustes Beleuchtungssystem und eine große Gestaltungs- und Designfreiheit. Die im Vergleich zu den oben genannten bekannten Lösungen verbesserte frei schwebende Anmutung der zumindest einen leuchtenden Fläche erweckt die Aufmerksamkeit eines Betrachters besonders leicht und stellt somit einen Sicherheitsgewinn dar.Thanks to the invention, it is possible to make the electrical contact of the fastened to the holder flat light particularly inexpensive and inconspicuous. The features of the invention not only allow a simpler and more cost-effective production / assembly of the lamp assembly and lower error rate compared to complex cabling systems, but also an optimized free-floating impression of at least a flat lamp due to the absence of loose cable / conductor and connectors in the field of view at the same time good contact in the smallest space. The invention enables a cohesive connection between the planar light and the holder and thus a good mechanical resistance, small tolerances, easy to automate manufacturing and functional testing process with a few steps, a robust lighting system and a great design and design freedom. The improved in comparison to the above-mentioned known solutions free-floating appearance of the at least one luminous surface attracts the attention of a viewer particularly easily and thus represents a security gain.
Außerdem wird durch den platzsparenden kompakten Aufbau eine stabile Baugruppe mit hoher Designwirkung realisiert, die für Kraftfahrzeugscheinwerferanwendungen besonders vorteilhaft ist. Der Bauraum in Kraftfahrzeugscheinwerfern ist aufgrund der Vielzahl an Lichtmodulen und anderen zumeist optischen Scheinwerferkomponenten bekanntermaßen knapp bemessen, so dass jede zusätzliche Möglichkeit einer Bauraumeinsparung bei gleichzeitig hoher Design- und Gestaltungsfreiheit von großem Vorteil ist.In addition, the space-saving compact design realizes a stable assembly with a high design effect, which is particularly advantageous for motor vehicle headlight applications. The installation space in motor vehicle headlights is known to be tight due to the large number of light modules and other mostly optical headlight components, so that any additional possibility of saving space while maintaining high design and design freedom is a great advantage.
Die Leuchtenanordnung gemäß der Erfindung kann daher nützlicherweise für Signallichtfunktionen eingesetzt werden und kann daher Baukomponente eines Signallichts sein. Der Begriff "Signalleuchte" oder "Signallicht" umfasst beispielsweise ein Tagfahrlicht oder ein Begrenzungslicht. Die Leuchtenanordnung kann insbesondere auch eine Baukomponente in einem Scheinwerfer, zum Beispiel ein Signallichtmodul in einem Scheinwerfer, sein. Der Begriff "Scheinwerfer" wie hierin verwendet, umfasst alle Arten von Kraftfahrzeugscheinwerfern, insbesondere Frontscheinwerfer und Heckleuchten. Der konstruktive Aufbau bzw. die Lichtverteilung von flächigen Leuchten, Scheinwerfern und Signalleuchten ist hinlänglich bekannt bzw. unterliegt üblicherweise gesetzlichen Anforderungen, die dem Fachmann bekannt sind.The lighting arrangement according to the invention can therefore be usefully used for signal light functions and can therefore be a building component of a signal light. The term "signal light" or "signal light" includes, for example, a daytime running light or a limiting light. In particular, the luminaire arrangement may also be a structural component in a headlight, for example a signal light module in a headlight. The term "headlamp" as used herein includes all types of Motor vehicle headlights, in particular headlights and tail lights. The structural design and the light distribution of flat lights, headlamps and signal lights is well known or usually subject to legal requirements that are known in the art.
Der Begriff "flächige Leuchte", hierin synonym auch als Leuchte bezeichnet, bezieht sich auf Leuchten mit flächigen Lichtkomponenten, beispielsweise eine organische Leuchtdiode (OLED), ein Leuchtdioden(LED)-Array oder ein flächiger Lichtleiter. Die leuchtende Oberfläche der flächigen Leuchte kann im Wesentlichen planar oder aber auch gekrümmt sein. Derartige Leuchten mit flächigen Lichtkomponenten sind einem Fachmann auf dem Gebiet notorisch bekannt.The term "flat luminaire", also referred to herein as a luminaire, refers to luminaires with planar light components, for example an organic light-emitting diode (OLED), a light-emitting diode (LED) array or a planar light guide. The luminous surface of the planar luminaire can be substantially planar or even curved. Such luminaires with flat light components are notoriously known to a person skilled in the art.
Der Begriff "Kraftfahrzeug" (KFZ) bezieht sich auf ein- oder mehrspurige motorisierte landgebundene Fahrzeuge wie Motorräder, PKWs, LKWs und dergleichen.The term "motor vehicle" (KFZ) refers to single or multi-lane motorized land vehicles such as motorcycles, cars, trucks and the like.
Vorzugsweise ist die flächige Leuchte eine organische Leuchtdiode (OLED). Die OLED kann beispielsweise eine auf Glas basierte OLED sein, die eine oder mehrere leuchtende Flächen und eine der einen oder mehreren leuchtenden Flächen abgewandte Rückseite aufweist. Auf der Rückseite ist eine Kontaktfläche zur mechanischen und elektrischen Kontaktierung der OLED mit dem Halter. Die Kontaktfläche ist im Vergleich zur Fläche der flächigen Leuchte mit Vorteil sehr klein gehalten, so dass eine Kontaktierung auf kleinstmöglichem Raum und ein optimales frei schwebendes Erscheinungsbild realisiert werden.The flat luminaire is preferably an organic light-emitting diode (OLED). By way of example, the OLED can be a glass-based OLED which has one or more luminous surfaces and a rear side facing away from the one or more luminous surfaces. On the back is a contact surface for the mechanical and electrical contacting of the OLED with the holder. The contact surface is kept very small in comparison to the surface of the flat light with advantage, so that a contact can be realized in the smallest possible space and an optimal free-floating appearance.
Bei bestimmten Designansprüchen oder Gestaltungsvorgaben kann es vorgesehen sein, wenn der zumindest eine Halter im Wesentlichen länglich geformt ist. Zweckmäßigerweise weist der zumindest eine Halter ein erstes Ende und ein dem ersten Ende gegenüberliegendes zweites Ende, wobei das erste Ende des Halters mechanisch und elektrisch mit der Kontaktfläche der flächigen Leuchte verbunden ist. Die Leuchtenanordnung gemäß der Erfindung kann ferner eine Montagefläche aufweisen, an welcher das zweite Ende des Halters mechanisch und elektrisch verbunden ist. Die Montagefläche kann beispielsweise eine Montagefläche oder eine Platine sein, die im Innenraum eines Scheinwerfergehäuses montiert ist oder montiert wird. Die Montagefläche kann auch ein Befestigungsbauteil mit einem Stecker sein.In certain design claims or design specifications, it may be provided if the at least one holder is substantially elongated. Conveniently, the at least one holder has a first end and a second end opposite the first end, wherein the first end of the holder is mechanically and electrically connected to the contact surface of the flat lamp. The light assembly according to the invention may further comprise a mounting surface to which the second end of the holder is mechanically and electrically connected. The mounting surface may be, for example, a mounting surface or a circuit board, which is mounted or mounted in the interior of a headlight housing. The mounting surface may also be a fastening component with a plug.
Der zumindest eine im Wesentlichen länglich geformte Halter kann entweder plan bzw. linear oder zwei- oder dreidimensional gewölbt ausgebildet sein. Die Form des im Wesentlichen länglich geformten Halters hängt insbesondere von der Form und der Größe der daran befestigten flächigen Leuchte ab; einerseits muss die flächige Leuchte über den zumindest einen Halter beispielsweise in einem Scheinwerfergehäuse montiert und befestigt werden, andererseits ist darauf zu achten, dass der frei schwebende Gesamteindruck der einen oder mehreren flächigen Leuchten der Leuchtenanordnung unbeeinträchtigt bleibt; es leuchtet daher ein, dass es für den frei schwebenden Gesamteindruck von Vorteil ist, wenn der Blick auf den zumindest einen Halter für einen außenstehenden Betrachter durch die flächige(n) Leuchte(n) verdeckt wird.The at least one substantially elongated shaped holder can be formed either flat or linear or arched two- or three-dimensionally. The shape of the substantially elongate shaped holder depends in particular on the shape and the size of the attached surface lamp; On the one hand, the planar light has to be mounted and fixed over the at least one holder, for example, in a headlight housing, on the other hand, care must be taken that the free-floating overall impression of the one or more flat lights of the light assembly remains unaffected; It is therefore clear that it is advantageous for the free-floating overall impression if the view of the at least one holder for an outside observer is obscured by the planar light (s).
Im Gegensatz zu moulded interconnection device (MID)-Haltern, die aus nicht-transparenten Materialien gefertigt werden, können für das Aufdrucken von leitfähiger Tinte auf den Halter auch transparente Materialien wie z.B. transparente Kunststoffe verwendet werden. Dem entsprechend kann der Halter aus transparenten Kunststoff gefertigt sein, wodurch sich ein zusätzlicher Designvorteil hinsichtlich der Sichtbarkeit des Halters und des frei schwebenden Erscheinungsbilds der flächigen Leuchten der Leuchtenanordnung ergibt.In contrast to molded interconnection device (MID) holders, which are made of non-transparent materials, transparent materials such as transparent plastics can be used to print conductive ink onto the holder. Accordingly, the holder can be made of transparent plastic, resulting in an additional design advantage in terms of visibility of the holder and the free-floating appearance of the surface lights of the light assembly results.
Bei bestimmten Ausführungsformen kann die flächige Leuchte mittels der leitfähigen Tinte, eines elektrisch leitfähigen Klebstoffes (Leitkleber) oder mittels eines elektrisch leitfähigen Lacks (Leitlack) mit dem Halter elektrisch und mechanisch verbunden sein. Als Beispiele für Leitkleber und Leitlacke sind Polytec EC244 und Polytec EC101 (Polytec PT GmbH, Deutschland), PE-EP600 (Printcolor Screen Ltd, Schweiz), Eposolder 6537 (United Adhesives, Inc., USA), PC 3431 (Heraeus), und ICP-4000 (Henkel) zu nennen. Bei dieser Variante kann der mit Leiterbahnen aus leitfähiger Tinte bedruckte Halter zum mechanischen und elektrischen Verbinden der flächigen Leuchte eine Klebe- und Kontaktfläche aufweisen, die mit der Kontaktfläche auf der Rückseite der flächigen Leuchte über eine elektrisch leitende Klebeverbindung verbunden wird. Hierfür wird die leitfähige Tinte, der Leitlack oder der Leitkleber auf der Klebe- und Kontaktfläche des Halters aufgebracht und anschließend wird die flächige Leuchte, z.B. eine OLED, aufgesetzt und fixiert.In certain embodiments, the planar light 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 ink). Examples of conductive adhesives and conductive inks 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 ICP-4000 (Henkel). In this variant, the printed with printed conductors of conductive ink holder for mechanical and electrical connection of the planar light having an adhesive and contact surface, which is connected to the contact surface on the back of the flat light via an electrically conductive adhesive connection. For this purpose, the conductive ink, the conductive ink or the conductive adhesive is applied to the adhesive and contact surface of the holder and then the flat light, e.g. an OLED, put on and fixed.
Vorzugsweise wird für das mechanische und elektrische Verbinden der flächigen Leuchte mit dem Halter die leitfähige Tinte, die auch für das Aufdrucken der Leiterbahnen auf dem Halter zum Einsatz kommt, verwendet; dabei wird die leitfähige Tinte beim Aufdrucken der Leiterbahnen noch weiter bis zu jenem Halterbereich, an dem der Halter mit der Kontaktfläche der flächigen Leuchte verbunden wird (z.B. die oben genannte Klebe- und Kontaktfläche), aufgebracht. Auf diese Weise wird die flächige Leuchte nur mittels der elektrisch leitfähigen Tinte mit dem Halter mechanisch und elektrisch verbunden. Man erspart sich in der Herstellung der Leuchtenanordnung das Aufbringen eines zusätzlichen elektrisch leitfähigen Klebemittels (wie Leitkleber oder Leitlack) und spart somit einen Verfahrensschritt ein.Preferably, for the mechanical and electrical connection of the planar lamp with the holder, the conductive ink, which is also used for printing the conductor tracks on the holder, used; In this case, the conductive ink when printing the Tracks even further up to that holder area where the holder is connected to the contact surface of the sheet light (eg, the above-mentioned adhesive and contact surface) applied. In this way, the planar light is mechanically and electrically connected only by means of the electrically conductive ink with the holder. It saves the production of the lamp assembly, the application of an additional electrically conductive adhesive (such as conductive adhesive or conductive ink) and thus saves a process step.
Bei anderen Ausführungsformen ist die flächige Leuchte mittels eines UV-härtenden Klebers mechanisch mit dem Halter verbunden ist. Bei dieser Variante weist der mit Leiterbahnen aus leitfähiger Tinte bedruckte Halter zum mechanischen und elektrischen Verbinden der flächigen Leuchte eine Klebe- und Kontaktfläche auf. Die Klebe- und Kontaktfläche des Halters besitzt bei dieser Variante einerseits eine oder mehrere Kontaktflächen, um die flächige Leuchte elektrisch über die Kontaktfläche an der Leuchtenrückseite zu kontaktieren und andererseits eine oder mehrere Klebeflächen zum mechanischen Befestigen der flächigen Leuchte mittels des UV-härtenden Klebers. Dies kann beispielsweise durch ein Aufdrucken der leitfähigen Tinte auf die eine oder mehreren Kontaktflächen am Halter und durch Aufbringen des UV-härtenden Klebers auf der Klebefläche erfolgen. Die flächige Leuchte kann dabei ihrerseits auf ihrer Rückseite eine entsprechende Klebefläche aufweisen, und die Klebefläche der Leuchte wird dann mit der Klebefläche des Halters mittels des UV-härtenden Klebers zusammengeklebt.In other embodiments, the planar light is mechanically connected to the holder by means of a UV-curing adhesive. In this variant, the holder printed with printed conductors made of conductive ink has an adhesive and contact surface for the mechanical and electrical connection of the planar lamp. The adhesive and contact surface of the holder has in this variant, on the one hand, one or more contact surfaces to electrically contact the sheet light on the contact surface on the back of the lamp and on the other hand, one or more adhesive surfaces for mechanically attaching the sheet light by means of the UV-curing adhesive. This can be done, for example, by printing the conductive ink on the one or more contact surfaces on the holder and by applying the UV-curing adhesive on the adhesive surface. The flat light can in turn have on its back a corresponding adhesive surface, 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.
Die leitfähige Tinte kann aus der Gruppe bestehend aus Silber-basierten Tinten, Kupfer-basierten Tinten, Tinten basierend auf leitfähigen Kohlenstoff-Nanopartikeln und Tinten basierend auf leitfähigen Kohlenstoff-Nanoröhren ausgewählt sein. Die genannten leitfähigen Tinten sind aus dem Stand der Technik hinlänglich bekannt. Namhafte Hersteller leitfähiger Tinten sind zum Beispiel die Firma Inkron, Finnland, die Firma Printcolor Screen Ltd, Schweiz, und die Firma PV Nano Cell Ltd, Israel. Als repräsentative Beispiele für leitfähige Tinten sind die Produkte Sicrys™ 150T-11, Sicrys™ IC25EG-1, Sicrys™ IC50TM-8 des Herstellers PV Nano Cell Ltd., das Produkt IDA-125C des Herstellers Inkron oder das Produkt PE-AG510 Silver Conductive Ink des Herstellers Printcolor Screen Ltd. zu nennen.The conductive ink may be selected from the group consisting of silver-based inks, copper-based inks, conductive carbon nanoparticle-based inks, and conductive carbon nanotube inks. Said conductive inks are well known in the 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 include the products Sicrys ™ 150T-11, Sicrys ™ IC25EG-1, Sicrys ™ IC50 ™ -8 manufactured by PV Nano Cell Ltd., the product IDA-125C manufactured by Inkron or the product PE-AG510 Silver Conductive Ink of the manufacturer Printcolor Screen Ltd. to call.
Die Leiterbahnen aus leitfähiger Tinte werden erfindungsgemäß auf dem Halter, d.h. auf der Oberfläche des Halters, aufgedruckt. Bei einfach zu realisierenden Varianten der erfindungsgemäßen Leuchtenanordnung sind die Leiterbahnen auf dem Halter aus mittels Tintenstrahldruck aufgebrachter leitfähiger Tinte ausgebildet.The printed conductors of conductive ink are inventively printed on the holder, ie on the surface of the holder. For easy to implement variants of luminaire arrangement according to the invention, the conductor tracks are formed on the holder from inkjet-printed conductive ink.
Um bestimmte Designwünsche oder Gestaltungsvorgaben zu erfüllen, kann es vorgesehen sein, dass die Leuchtenanordnung zwei oder mehr Halter mit jeweils darauf befestigten flächigen Leuchten umfasst. Dabei können die einzelnen flächigen Leuchten räumlich verschieden zueinander positioniert sein. Auf diese Weise ist ein dreidimensionaler und kompakter Aufbau mit hoher Design- und Gestaltungsfreiheit bei gleichzeitig einfach umzusetzender und guter elektrischer Kontaktierung auf engstem Raum möglich. Darüber hinaus können die verschiedenen Elemente dank der Erfindung mit einer hohen Genauigkeit zueinander positioniert werden.In order to meet certain design requirements or design specifications, it may be provided that the luminaire arrangement comprises two or more holders, each with flat lights mounted thereon. The individual flat lights can be spatially different from each other. In this way, a three-dimensional and compact design with high design and design freedom is possible at the same time easy to implement and good electrical contact in a confined space. Moreover, thanks to the invention, the various elements can be positioned with high accuracy to each other.
Ferner kann es bei bestimmten Weiterbildungen der Erfindung vorgesehen sein, dass die Leuchtenanordnung eine am oder im Halter integrierte elektrische Schaltung umfasst. Die Schaltung ist am oder im Halter zweckmäßigerweise in Bereichen positioniert, welche vom Betrachter nicht eingesehen werden können, so dass der schwebende Gesamteindruck der Leuchtenanordnung nicht gestört wird. Die Integration der Schaltung am oder im Halter besitzt die Vorteile, dass der Bauraum reduziert und effektiv genützt werden kann und zusätzlicher Montage- und Verdrahtungsaufwand entfällt. Es sei nochmals erwähnt, dass insbesondere der Bauraum in Kraftfahrzeugscheinwerfern aufgrund der Vielzahl an Lichtmodulen und anderen zumeist optischen Scheinwerferkomponenten knapp bemessen ist, so dass jede zusätzliche Möglichkeit einer Bauraumeinsparung von Vorteil ist.Furthermore, in certain developments of the invention, it may be provided that the luminaire arrangement comprises an electrical circuit integrated on or in the holder. The circuit is suitably positioned on or in the holder in areas which can not be viewed by the viewer, so that the floating overall impression of the lighting arrangement is not disturbed. The integration of the circuit on or in the holder has the advantages that the space can be reduced and effectively used and additional installation and wiring is eliminated. It should be mentioned again that, in particular, the installation space in motor vehicle headlights is tight due to the large number of light modules and other mostly optical headlight components, so that every additional possibility of saving space is advantageous.
Ein weiterer Gegenstand der Erfindung ist eine Beleuchtungseinrichtung für ein Kraftfahrzeug, umfassend zumindest eine Leuchtenanordnung gemäß der Erfindung und wie hierin beschrieben.Another object of the invention is a lighting device for a motor vehicle, comprising at least one lighting arrangement according to the invention and as described herein.
Die Leuchtenanordnung gemäß der Erfindung kann in bestimmten Varianten eine Baukomponente einer alleinstehenden Leuchte für ein Kraftfahrzeug sein, die außer der von der Leuchtenanordnung erfüllten Lichtfunktion keine weiteren Lichtfunktionen bzw. Lichtmodule enthält. Derartige alleinstehenden KFZ-Leuchten umfassen typischerweise ein Gehäuse mit einer Lichtaustrittsöffnung, die mit einer Abdeckscheibe verdeckt ist, wobei die zumindest eine Leuchtenanordnung in dem Gehäuse angeordnet ist. Die alleinstehende Leuchte kann z.B. ein Signallicht oder ein Begrenzungslicht sein, z.B. in Form einer alleinstehenden Frontleuchte, Seitenleuchte oder Heckleuchte.The luminaire arrangement according to the invention may, in certain variants, be a structural component of a stand-alone luminaire for a motor vehicle which, apart from the light function fulfilled by the luminaire arrangement, contains no further light functions or light modules. Such standalone automotive lights typically include a housing having a light exit opening which is concealed with a cover, wherein the at least one light assembly is disposed in the housing. The single person Light may be eg a signal light or a headlight, eg in the form of a standalone front light, side light or rear light.
Bei anderen Varianten kann die Leuchtenanordnung eine Baukompenente bzw. ein Lichtmodul eines Kraftfahrzeugscheinwerfers sein. Die Beleuchtungseinrichtung gemäß der Erfindung kann daher in Form eines Kraftfahrzeugscheinwerfers, insbesondere in Form eines Frontscheinwerfers oder einer Heckleuchte, vorliegen. Die Leuchtenanordnung ist in diesem Aspekt daher keine alleinstehende Leuchte wie oben beschrieben, sondern eine Baukomponente eines Kraftfahrzeugscheinwerfers. So weisen moderne Kraftfahrzeugscheinwerfer häufig mehrere Lichtmodule auf, die für sich genommen oder im Zusammenwirken einzelne Lichtfunktionen übernehmen können. Diese Lichtmodule sind häufig in unmittelbarer Nähe zueinander in einem Scheinwerfergehäuse angeordnet. Zweckmäßigerweise ist der Kraftfahrzeugscheinwerfer nach an sich bekannten Scheinwerferbauprinzipien aufgebaut und umfasst ein Gehäuse mit einer Lichtaustrittsöffnung, die mit einer Streuscheibe verdeckt ist, wobei die zumindest eine Leuchtenanordnung in dem Gehäuse angeordnet ist. Der Kraftfahrzeugscheinwerfer kann insbesondere zumindest ein Lichtmodul und zumindest eine erfindungsgemäße Leuchtenanordnung wie hierin offenbart umfassen.In other variants, the luminaire arrangement may be a Baukompenente or a light module of a motor vehicle headlight. The illumination device according to the invention can therefore be in the form of a motor vehicle headlight, in particular in the form of a headlight or a rear light. The luminaire arrangement is therefore in this aspect not a single luminaire as described above, but a structural component of a motor vehicle headlight. Thus, modern motor vehicle headlights often have a plurality of light modules which, taken individually or in combination, can assume individual light functions. These light modules are often arranged in close proximity to each other in a spotlight housing. Conveniently, the motor vehicle headlamp is constructed according to known headlamp design principles and includes a housing with a light exit opening, which is covered with a lens, wherein the at least one lamp assembly is disposed in the housing. The motor vehicle headlight may in particular comprise at least one light module and at least one light assembly according to the invention as disclosed herein.
Bei einer Variante hat der Kraftfahrzeugscheinwerfer die Form eines Frontscheinwerfers. Der Aufbau eines Frontscheinwerfers ist dem einschlägigen Fachmann bekannt. Frontscheinwerfer umfassen häufig mehrere Lichtmodule, z.B. eine Tagfahrlichteinheit, eine Abblendlichteinheit, eine Fernlichteinheit, eine Blinklichteinheit etc. Dementsprechend können die jeweiligen Lichtmodule des Frontscheinwerfers die Lichtverteilung eines Abblendlichts, eines Fernlichts, eines Tagfahrlichts, eines Blinklichts usw. bilden. Ein erfindungsgemäßer Frontscheinwerfer umfasst daher neben den an sich bekannten Lichtmodulen noch zumindest eine erfindungsgemäße Leuchtenanordnung.In one variant, the motor vehicle headlight has the form of a headlight. The construction of a headlight is known to the person skilled in the art. Headlamps often include multiple 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. An inventive headlamp therefore includes, in addition to the light modules known per se, at least one luminaire arrangement according to the invention.
Bei einer anderen Variante hat der Kraftfahrzeugscheinwerfer die Form einer Heckleuchte. Der Aufbau einer Heckleuchte ist dem einschlägigen Fachmann bekannt. Heckleuchten umfassen häufig mehrere Lichtmodule, z.B. eine Rücklichteinheit, eine Bremslichteinheit, eine Blinklichteinheit etc. Dementsprechend können die jeweiligen Lichtmodule der Heckleuchte die Lichtverteilung eines Rücklichts, eines Bremslichts, eines Blinklichts usw. bilden. Eine erfindungsgemäße Heckleuchte umfasst daher neben den an sich bekannten Lichtmodulen noch zumindest eine erfindungsgemäße Leuchtenanordnung.In another variant, the motor vehicle headlight has the shape of a tail light. The construction of a tail light is known to the skilled person. Rear lights often include multiple light modules, such as a taillight unit, a brake light unit, a flashing light unit, etc. Accordingly, the respective light modules of the taillight, the light distribution of a tail light, a brake light, a flashing light, etc. form. A tail lamp according to the invention therefore comprises, in addition to the light modules known per se, at least one lighting arrangement according to the invention.
Ein weiterer Gegenstand der Erfindung ist ein Kraftfahrzeug, das eine erfindungsgemäße Leuchtenanordnung wie hierin geoffenbart und/oder eine erfindungsgemäße Beleuchtungseinrichtung für ein Kraftfahrzeug, insbesondere einen Kraftfahrzeugscheinwerfer, wie hierin geoffenbart umfasst.A further subject of the invention is a motor vehicle which comprises a luminaire arrangement according to the invention as disclosed herein and / or a lighting device according to the invention for a motor vehicle, in particular a motor vehicle headlight, as disclosed herein.
Die Erfindung samt weiterer Vorzüge wird im Folgenden anhand von nicht einschränkenden Beispielen und beiliegenden Zeichnungen näher beschrieben, wobei die Zeichnungen zeigen:
-
Fig. 1 zeigt eine perspektivische Ansicht einer Leuchtenanordnung gemäß der Erfindung, -
Fig. 2 zeigt die Anordnung der Halter der Leuchtenanordnung gemäßFig. 1 mit insgesamt drei Haltern ohne flächigen Leuchten und Stecker, -
Fig. 2 zeigt ein Beispiel für den Halteabschnitt einer Leuchtenanordnung gemäß der Erfindung mit genau einem Halter für eine flächige Leuchte, und -
Fig. 4 zeigt eine Draufsicht auf eine Klebe- und Kontaktfläche eines Halters zum elektrischen und mechanischen Verbinden mit einer OLED.
-
Fig. 1 shows a perspective view of a lighting arrangement according to the invention, -
Fig. 2 shows the arrangement of the holder of the lamp assembly according toFig. 1 with a total of three holders without flat luminaires and connectors, -
Fig. 2 shows an example of the holding portion of a lamp assembly according to the invention with exactly one holder for a flat light, and -
Fig. 4 shows a plan view of an adhesive and contact surface of a holder for electrical and mechanical connection to an OLED.
Es versteht sich, dass die hier beschriebenen Ausführungsformen lediglich der Illustration dienen und nicht als für die Erfindung einschränkend aufzufassen sind; vielmehr fallen unter den Schutzbereich der Erfindung sämtliche Ausgestaltungen, die der Fachmann anhand der Beschreibung finden kann, wobei der Schutzbereich durch die Ansprüche festgelegt ist.It should be understood that the embodiments described herein are for illustration only and are not to be construed as limiting the invention; rather fall under the scope of the invention, all embodiments, which the skilled person can find from the description, the scope of protection is defined by the claims.
In den Figuren werden für gleiche oder vergleichbare Elemente zum Zwecke der einfacheren Erläuterung und Darstellung gleiche Bezugszeichen verwendet. Die in den Ansprüchen verwendeten Bezugszeichen sollen weiters lediglich die Lesbarkeit der Ansprüche und das Verständnis der Erfindung erleichtern und haben keinesfalls einen den Schutzumfang der Erfindung beeinträchtigenden Charakter.In the figures, like reference numerals are used for the same or similar elements for ease of explanation and illustration. Further, the reference numerals used in the claims are only intended to facilitate the readability of the claims and the understanding of the invention, and in no way have a character which adversely affects the scope of the invention.
Es sei angemerkt, dass alle in den Figuren gezeigten Beispiele in einem und als Teil eines Kraftfahrzeugscheinwerfers vorgesehen sein können.It should be noted that all examples shown in the figures can be provided in and as part of a motor vehicle headlight.
Die OLEDs 102a, 102b, 102c sind im gezeigten Beispiel flammenförmige und auf Glas basierte OLEDs mit ebenfalls flammenförmig ausgestalteten leuchtenden Flächen 106a, 106b, 106c. Im eingebauten Zustand, z.B. eingebaut in einem Scheinwerfergehäuse, sind die leuchtenden Flächen 106a, 106b, 106c dem Betrachter zugewandt. Es versteht sich jedoch von selbst, dass das Design oder die Ausgestaltung der OLEDs auch anders sein kann. Ebenfalls ist es denkbar, dass anstelle einer OLED auch eine andere flächige Leuchte wie z.B. ein Leuchtdioden(LED)-Array oder ein flächiger Lichtleiter samt Lichtquelle vorgesehen sein kann.In the example shown, the OLEDs 102a, 102b, 102c are flame-shaped and glass-based OLEDs with
Die Halter 101a, 101b, 101c sind mit ihrem jeweiligen zweiten Ende 104a, 104b, 104c an einer Montageplatte 105 befestigt und mit der Montageplatte 105 elektrisch und mechanisch verbunden.
Die Anordnung der drei Halter 101a, 101b, 101c auf der Montageplatte 105 ist im Detail und ohne die OLEDs 102a, 102b, 102c und den Stecker 107 in der
Erfindungsgemäß umfassen die drei Halter 101a, 101b, 101c zur elektrischen Kontaktierung der OLEDs 102a, 102b, 102c metallische Leiterbahnen 108a, 108b, 108c, die mit leitfähiger Tinte auf die jeweiligen Halter 101a, 101b, 101c, d.h. auf deren Oberfläche, gedruckt sind. Die metallischen Leiterbahnen 108a, 108b, 108c erstrecken sich entlang der gesamten Länge der Halter 101a, 101b, 101c vom ersten Ende 103a, 103b, 103c bis zum zweiten Ende 104a, 104b, 104c. Hinsichtlich der Beschaffenheit und Art der leitfähigen Tinten wird auf die Ausführungen weiter oben in der Beschreibungseinleitung und in den Ansprüchen verwiesen. Grundsätzlich sind jedoch alle Arten von leitfähigen Tinten geeignet, mit welchen ein Bedrucken der Halter 101a, 101b, 101c möglich ist. Ein Fachmann auf dem Gebiet ist ohne weiteres in der Lage, entsprechend dem Material, aus dem der/die Halter gefertigt sind, eine geeignete leitfähige Tinte für das Aufdrucken der Leiterbahnen 108a, 108b, 108c auszuwählen. Das Aufdrucken der Leiterbahnen 108a, 108b, 108c kann beispielsweise mittels Tintenstrahldruck erfolgen. Die Halter 101a, 101b, 101c sind typischerweise aus Kunststoff gefertigt und vorzugsweise aus transparentem Kunststoff. Durch die Verwendung von transparentem Kunststoff ergibt sich ein zusätzlicher Designvorteil hinsichtlich der (in diesem Fall geringen) Sichtbarkeit der Halter 101a, 101b, 101c und des frei schwebenden Erscheinungsbilds der OLEDs 102a, 102b, 102c. Durch die Verwendung unterschiedlich langer Halter 101a, 101b, 101c sind die OLEDs 102a, 102b, 102c zudem räumlich verschieden zueinander positioniert und ermöglichen die Realisierung komplexer dreidimensionaler Designs und Leuchteindrücke bei gleichzeitig guter elektrischer Kontaktierung auf kleinstem Raum.According to the invention, the three
Anstelle der in
Bezug nehmend auf die oben beschriebenen Figuren, kann die Leuchteneinrichtung außerdem eine am oder im Halter 101a, 101b, 101c, 201 integrierte elektrische Schaltung (nicht dargestellt) umfassen.Referring to the figures described above, the lighting device may further comprise an electrical circuit (not shown) integrated with or in the
Die Erfindung kann in beliebiger dem Fachmann bekannter Weise abgeändert werden und ist nicht auf die gezeigten Ausführungsformen beschränkt. Auch können einzelne Aspekte der Erfindung aufgegriffen und weitgehend miteinander kombiniert werden. Wesentlich sind die der Erfindung zugrunde liegenden Gedanken, welche in Anbetracht dieser Lehre durch einen Fachmann in mannigfaltiger Weise ausgeführt werden können und trotzdem als solche aufrechterhalten bleiben.The invention may be modified in any manner known to those skilled in the art and is not limited to the embodiments shown. Also, individual aspects of the invention can be taken up and largely combined with each other. Essential are the ideas underlying the invention, which in view of this doctrine can be performed by a person skilled in many ways and still remain maintained as such.
- 100100
- Leuchtenanordnunglight assembly
- 101a, 101b, 101c, 201101a, 101b, 101c, 201
- Halterholder
- 102a, 102b, 102c102a, 102b, 102c
- flächige Leuchte (OLED)flat luminaire (OLED)
- 103a, 103b, 103c, 203103a, 103b, 103c, 203
- Erstes Ende HalterFirst end holder
- 104a, 104b, 104c, 204104a, 104b, 104c, 204
- Zweites Ende HalterSecond end holder
- 105, 205105, 205
- Montageplattemounting plate
- 106a, 106b, 106c106a, 106b, 106c
- leuchtende Fläche auf der OLEDglowing area on the OLED
- 107107
- Steckerplug
- 108a, 108b, 108c, 208108a, 108b, 108c, 208
- Leiterbahnen aus leitfähiger TinteConductive ink traces
- 300300
- Klebe- und Kontaktfläche für eine OLED am ersten Ende des HaltersAdhesive and contact surface for an OLED at the first end of the holder
- 303a, 303b303a, 303b
- Kontaktfläche zur elektrischen Kontaktierung der OLEDContact surface for electrical contacting of the OLED
- 303c303c
- Klebefläche für die mechanische Befestigung der OLEDAdhesive surface for the mechanical attachment of the OLED
Claims (15)
dadurch gekennzeichnet, dass
der Halter (101a, 101b, 101c, 201) zur elektrischen Kontaktierung der flächigen Leuchte (102a, 102b, 102c) metallische Leiterbahnen (108a, 108b, 108c, 208) umfasst, die mit leitfähiger Tinte auf den Halter (101a, 101b, 101c, 201) gedruckt sind.Luminaire arrangement (100) comprising at least one holder (101a, 101b, 101c, 201) and a planar lamp (102a, 102b, 102c) arranged on the holder (101a, 101b, 101c, 201), wherein the planar lamp (102a, 102b , 102c) comprises at least one luminous surface (106a, 106b, 106c) and one rear side facing away from the at least one luminous surface (106a, 106b, 106c), wherein a contact surface is arranged on the rear side and the planar luminaire (102a, 102b, 102c ) is mechanically and electrically connected to the at least one holder (101a, 101b, 101c, 201) at the contact surface,
characterized in that
the holder (101a, 101b, 101c, 201) for electrically contacting the planar lamp (102a, 102b, 102c) comprises metallic conductor tracks (108a, 108b, 108c, 208) which are coated with conductive ink on the holder (101a, 101b, 101c , 201) are printed.
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EP17210074.5A EP3502557B1 (en) | 2017-12-22 | 2017-12-22 | Lighting system with free floating appearance |
KR1020180163854A KR102181427B1 (en) | 2017-12-22 | 2018-12-18 | Lamp assembly having free-floating appearance |
CN201811570541.2A CN110006000B (en) | 2017-12-22 | 2018-12-21 | Light emitting assembly with free-floating appearance |
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KR101116767B1 (en) * | 2009-06-02 | 2012-02-28 | (주)대륙아이티에스 | LED device of connected blocks |
EP2302294A1 (en) * | 2009-09-18 | 2011-03-30 | 3M Innovative Properties Company | Connector |
US10222032B2 (en) * | 2012-03-30 | 2019-03-05 | Cree, Inc. | Light emitter components and methods having improved electrical contacts |
JP3176692U (en) * | 2012-04-18 | 2012-06-28 | 六景光電科技有限公司 | Block LED light |
DE102014205747A1 (en) * | 2014-03-27 | 2015-10-01 | Tridonic Gmbh & Co Kg | Light module and manufacturing method for a light module |
US9297523B2 (en) * | 2014-08-13 | 2016-03-29 | Jill MacKay | LED stickers |
JP6546024B2 (en) * | 2015-07-15 | 2019-07-17 | 株式会社小糸製作所 | Vehicle lamp |
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CN205746070U (en) * | 2016-04-19 | 2016-11-30 | 陈艳黎 | A kind of radiating structure of LED projector lamp tool |
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US20070082578A1 (en) * | 2005-10-06 | 2007-04-12 | Haynes Enterprise, Inc. | Electroluminescent display apparatus for an inflatable device and method |
US20130200783A1 (en) * | 2010-01-29 | 2013-08-08 | Nederlandse Organisatie Voor Toegepast-Natuurweten Schappelijk Onderzoek Tno | Assembly, component for an assembly and method of manufacturing an assembly |
US20160084466A1 (en) * | 2014-09-15 | 2016-03-24 | Valeo Vision | Oled diode support with elastic connection blades |
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KR20190076866A (en) | 2019-07-02 |
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