EP1647164A1 - Elements lumineux sur la carrosserie d'un vehicule - Google Patents

Elements lumineux sur la carrosserie d'un vehicule

Info

Publication number
EP1647164A1
EP1647164A1 EP04764557A EP04764557A EP1647164A1 EP 1647164 A1 EP1647164 A1 EP 1647164A1 EP 04764557 A EP04764557 A EP 04764557A EP 04764557 A EP04764557 A EP 04764557A EP 1647164 A1 EP1647164 A1 EP 1647164A1
Authority
EP
European Patent Office
Prior art keywords
electrode
luminous
vehicle
luminous element
emitting diode
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.)
Ceased
Application number
EP04764557A
Other languages
German (de)
English (en)
Inventor
Thomas Wimmer
Roland Lang
Norbert Donath
Jörg AMELUNG
Karl Leo
Sandra Semmler
Thomas Michel
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Bayerische Motoren Werke AG
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Bayerische Motoren Werke AG
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
Priority claimed from DE102004018647.2A external-priority patent/DE102004018647B8/de
Application filed by Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV, Bayerische Motoren Werke AG filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of EP1647164A1 publication Critical patent/EP1647164A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/52—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating emergencies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2696—Mounting of devices using LEDs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/32—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating vehicle sides, e.g. clearance lights
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal

Definitions

  • the present invention relates to lamps on the body of vehicles, such as Cars or motorcycles.
  • lights or illuminants are used to illuminate and as signal lights.
  • Previously used lighting fixtures within vehicle construction are based on point light sources.
  • Classic incandescent, halogen and discharge lamps as well as inorganic light-emitting diodes are used as illuminants in vehicles in newer vehicles, e.g. proposed in DE 10043660 AI and DE 19831004 AI.
  • the point light source is provided with reflectors or light guides, which in particular increases the installation space required.
  • reflectors or light guides which in particular increases the installation space required.
  • DE 10043660 AI which describes an improvement in the radiation characteristic.
  • Another problem relates to the shape of vehicle bodies, which are only planar in a few places due to the need to optimize air resistance.
  • To point sources in area light bodies on non-planar To be able to use surfaces, light-guiding bodies with reflectors and lenses are necessary, or the point light sources must be applied to flexible substrates, as described, for example, in DE 10058658 AI, which in turn increases the cost of such elements.
  • point light sources are also known in the vehicle interior.
  • Inorganic electroluminescent foils which represent an alternative to point light sources, require high control voltages, which reduce the electromagnetic compatibility of such an arrangement and prevent usability in the vehicle interior.
  • WO 03/020545 AI suggests using organic light-emitting diodes to increase flexibility, improve aesthetics, reduce space consumption and avoid the need for lenses, in order to use the console display panel including a speedometer and a navigation display in the interior and to show a radio ad.
  • the instrument panel itself, consoles, the inside of the doors or the windshield are suggested as locations for the mounting of the OLEDs, and organic light-emitting diodes are used there because they are thin, flexible and adaptable to curved surfaces, and because they can be made transparent.
  • the OLED displays are attached using the usual interior cover material or fasteners, such as Screws, clamps, snap devices or the like.
  • DE 19708610 AI also proposes an organic light-emitting diode arrangement as a pixel matrix display device for displaying information inside in transport systems.
  • OLEDs are used there because they can be manufactured extremely thin and adapted to the geometry and curvature of a carrier and because they can be made transparent. NEN.
  • OLEDs are advantageous due to their paper-like viewing angle, since they enable the OLED display to be viewed by the driver and passenger at the same time.
  • OLED displays could serve to display further information, such as information that comes from additional devices such as radio, air conditioning, clock, navigation system or the like.
  • the OLEDs are applied there as a film by gluing.
  • one of the interior displays which is not currently being used for other purposes, can be used as interior lighting and a display attached to the inside can serve as a warning light when the door is open.
  • the object of the present invention is therefore a. to create more effective exterior lighting scheme for vehicles.
  • the knowledge of the present invention consists in the fact that an effective possibility of external lighting can be delivered to motor vehicles if organic light-emitting diodes are used on the body or are attached to the vehicle from the outside.
  • the provision of openings on the body for the luminous element would be dispensed with or would be restricted to the provision of a contact opening, as a result of which the stability of the body could be increased and the manufacturing and development costs of the body could be reduced.
  • Signal lights from OLEDs are also not limited to the zones of the body in which the body runs flat or has recesses, so that, for example, a full-surface warning light could be implemented on the outer skin of the body or the outer surface of the body, so that the visibility of the Warning light for third parties would be increased.
  • the knowledge of the present invention consists in the fact that organic light-emitting diodes are also suitable for use outside the interior, although the requirements for the luminous intensity of the luminous bodies for use in the outdoors are due to the much higher average distance between the viewer and the radiation location and because of the often much brighter ambient light are many times higher.
  • the present invention in particular The fact that the body of a vehicle offers a hitherto unimagined and previously unused possible area, so that a low luminance can be compensated for by a larger effective luminous area of the luminous element, and that larger luminous areas, in turn, with organic light-emitting diodes due to their flexibility and possibility their adaptation to the given shape of the body and their low energy consumption is easily possible.
  • Another advantage of the present invention is that OLEDs are driven with relatively low DC voltages, so that the electromagnetic compatibility of signal lights according to the invention consisting of organic light-emitting diodes is increased.
  • a rear light unit can be formed based on an organic light-emitting diode, which performs a multitude of functions, and that the body paint itself can serve to protect the organic light-emitting diode.
  • the present invention makes it possible to reduce the constraints on which the body design is based, so that the design can be optimized more for stability, aesthetics or aerodynamics, the reverse, however, the exterior lighting scheme according to the invention, however, a more generous provision of signal lights around the body Enables vehicle around, so that, for example, lateral air pockets, emblems or the like, which represent brand-typical features, are illuminated in the sense of an improved night design at selected points on the body can, or that body exterior surfaces can be used as advertising space that could be dimmed depending on the brightness.
  • Fig. La exemplary embodiments for possible uses of up to lf organic light-emitting diodes as luminous bodies for exterior lighting of motor vehicles according to exemplary embodiments of the present invention
  • FIG. 2 shows a cross-sectional view of an organic light-emitting diode according to an exemplary embodiment of the present invention
  • FIG. 3 shows a plan view of a warning or information sign according to an exemplary embodiment of the present invention.
  • FIG. 4 shows a cross-sectional view of an organic light-emitting diode according to a further exemplary embodiment of the present invention.
  • organic light-emitting diodes are provided as luminous elements on the body of a vehicle in order to perform respective functions there.
  • FIG. 1 a shows a rear end 10 of a car 12 according to two different design designs 14 and 16, the shape of the body 18 of the car 12 being the same in both design designs 14 and 16. The only difference is in the shape of a taillight 20 attached to the rear 10 of the car 12.
  • Both rear lights 20 are formed from an OLED, which is applied to the outer skin of the body, however, the OLED is structured differently in each case in order to give the respective shape according to the design 14 or the design 16, as is shown in FIG.
  • the realization of a rear light unit by OLEDs enables the design freedom to be increased, which in turn represents a package advantage.
  • the rear light OLED 20 does not increase the surface area of the body shell, since it is applied to the body shell as a flat, thin-layer lamp. This represents an advantage with regard to the aerodynamics of the body design, since the body shell thus does not have any protruding surface spots due to the lamp 20, as would be the case if a rear lamp were implemented in conventional lens structures or covers for rear lamps.
  • the rear light 20 of the car 12 is visible or visible from a large angular range, regardless of the shape of the body 18 at the point at which the rear light 20 is applied, in particular independently of the surface normal at this point, since OLED layers in radiate an angle of 180 ° to the surface normal.
  • the rear light OLED 20 could be designed as a transparent OLED, which is applied as a layered light fixture over the color layers of the vehicle paint.
  • the rear Light 20 is only visible when it is switched on, namely as a flashing or active rear light, while the rear light 20 would not be visible when it was switched off, but instead only the layers of paint underneath the vehicle paint would be visible at the location of the rear light 20.
  • the exemplary embodiment of FIG. 1 a shows an exemplary embodiment of a warning signal 20 for the subsequent traffic, which indicates the brake actuation of the driver of the vehicle 12 and is not visible in the switched-off state if the OLED 20 is transparent.
  • the OLED 20 is, for example, on a flexible thin surface, such as Glass, applied and encapsulated and attached to the body 18, as will be described below.
  • the contacts for the OLED 20 are made, for example, directly through the body 18 into the interior of the car.
  • FIG. 1b shows a car 32 in which an OLED is applied over the entire surface of the body 38 and more precisely on the outer skin of the body.
  • an OLED is provided in the body paint, for example.
  • This OLED, applied over the entire surface takes on a warning function and serves as a warning lamp, for example, to flash warningly after an accident, at the end of a traffic jam or the like, as is indicated at 40. Due to the application over the entire area, the warning light according to FIG.
  • the appearance of the car 32 is not adversely affected despite the full-area hazard warning OLED if, for example, a transparent OLED is applied over the entire area of the body 38 as the OLED, since the color layers of the body paint, for example underneath, are still visible when the warning signal OLED is switched off are and thus determine the color of the car 32.
  • FIG. 1c shows a car 52 in which an OLED 60 is partially applied to the body 58.
  • the OLED 60 is structured in such a way that it only takes up a predetermined part of the area of the body shell.
  • the OLED 60 takes up an area in the form of a brand-typical feature of the manufacturer of the car 52, namely here, by way of example, the silhouette of a spider for e.g. a car of the type "Spider" (registered trademark).
  • the silhouette of a spider for e.g. a car of the type "Spider" (registered trademark).
  • a front view of a bonnet 64 and a windshield 66 is also shown at 62, wherein an OLED is formed at selected locations on the bonnet 64, for example in order to use the to better highlight or illuminate brand-typical features of the body design, such as side air intakes, emblems or the like, in the sense of an improved night design.
  • Fig. Id shows a further possibility, which the use of OLEDs as luminous bodies on the outer body skin offers.
  • Fig. 1d shows a car 72, on the body 78 of which an OLED is applied in such a structured manner at a suitable location, here the passenger door as an example. to display an advertising sign 80 when switched on.
  • the outer body surface of the car 72 can be used as an advertising space.
  • the brightness of the advertisement 80 may vary depending on the ambient light brightness, i.e. Daylight or night light can be dimmed.
  • This application is suitable, for example, for company vehicles, taxis and public transport. But driving schools and government vehicles are also suitable for this application, i.e. generally vehicles for which the display should temporarily not be visible.
  • an OLED would have to be applied to the outer skin of the body which is structured as a display, ie in the form of pixels arranged in rows and columns, for example in turn are subdivided into sub-pixels of different primary colors for a color display, for example.
  • the advertisement 80 could either be formed by an OLED on the body shell, which is firmly structured, such as by a certain structured electrode, as will be described in the following, or by an OLED pixel display that could be driven to display different advertisements 80, depending on which Image information is applied to the OLED display or the OLED display.
  • the exemplary embodiments according to FIGS. 1 c and 1d provided examples for the full-surface coating of body parts, such as the bonnet or doors, with an OLED stack for full-surface lighting of the parts or structured lighting for information signs, such as police, ambulance etc.
  • FIG. 1 shows a motorcycle 92, on the fuel tank 94 of which forms part of the body of the motorcycle 92, in particular on the upper side of the fuel tank 94 facing the motorcyclist, an OLED display 96 is attached. Information of any kind can be displayed on the OLED display 96. As an example, navigation data are displayed in the exemplary embodiment of FIG.
  • Le namely the targeted destination, here "Munich” as an example, the distance to the destination, here “34 km” as an example, the road turning instructions, here “driving straight ahead” as an example, represented by an arrow in the direction of travel , and the distance to the next departure point and the direction of the departure, here exemplarily “100 m” to the next departure "to the right” symbolized by an arrow turning to the right.
  • the display 96 for other purposes, such as displaying the speed and engine revolutions per minute of the engine of the vehicle on the display 96, thereby dispensing with the typically provided tachometer 98 and the typically provided revolution number display 100 could be.
  • FIG. 1f shows a car 112, on the body 118 of which an OLED color display is applied over the entire surface, ie an OLED display with pixels, which in turn are subdivided into subpixels of different primary colors, the display being so high-resolution that a color mixture is created by the subpixels in the eye of the beholder.
  • an owner 120 of the car 112 can change the color of the car 112 at any time, such as the color of the garment 122 of the user or of the vehicle user 120.
  • a suitable input device would then be provided in the vehicle 112.
  • FIG. 1f consequently enables large-area OLEDs on the body to assume the same color and / or the same pattern as items of clothing 122 of the vehicle user 120.
  • OLEDs which are described with reference to FIGS. 1 a - lf, which are attached to the outer surfaces of the body of a vehicle, do not of course form a conclusive list of possible applications.
  • an OLED could, for example, also be applied to a rear window or another window, as a result of which a warning signal could be integrated in the rear window of the vehicle or automobile in the former case.
  • a modification of this would be the full integration of the warning signal into the rear window, in that the OLED is applied directly to the rear window.
  • This embodiment reduces the construction height and construction costs, since in particular the feed lines to the OLED can be brought directly.
  • the above exemplary embodiments show organic light-emitting diodes as flat thin-film luminous bodies, signal lights and warning signals on bodies.
  • illuminants based on organic light-emitting diodes were used for the lighting or the display of signals in vehicles, the use of organic light-emitting diodes permitting a considerable reduction in the installation space required and adaptation to non-planar surfaces.
  • the exemplary embodiments exploit the advantages of organic light-emitting diodes (organic light-emitting diodes), namely that they have a flat self-emission of a display, application to thin-film substrates, flexible lighting elements, low control voltages and the like compared to known lighting element concepts Offer the possibility of realizing illuminants and signal lights with very low power consumption.
  • the above exemplary embodiments share the use of luminous bodies based on organic light-emitting diodes for lighting applied to a body in vehicles, both the non-structured lighting and the structured lighting being useful and possible for the realization of warning and / or advisory signals.
  • signal lights besides rear lights and a hazard warning light, for which OLEDs on the body shell could be used are indicators, for example.
  • the signal lights that can be formed by OLEDs applied to the outer skin of the body can be any signs on the outer skin of the body. Glass surfaces of vehicles can also be used for advertising purposes or for signal lights.
  • warning function displays of OLEDs on the body can also be adopted.
  • Fig. Lf showed the lighting of the body with applied organic light-emitting diodes with controllable color.
  • the exemplary embodiments according to FIGS. 1 to 5 provide exemplary embodiments for the integration of OLEDs by direct application to the body for use as exterior lighting of the vehicle.
  • the organic light-emitting diode is either installed as a thin film or alternatively applied directly to the substrate, e.g. on the body material or the lower layers of colored varnish of the body, for example by means of spray or vapor deposition processes, with the applications in turn between non-structured luminous elements, as in the case of Fig. lb, and structured luminous elements, as in the cases of Fig. la, lc and ld, for information or warning signals or the like and again luminous element displays, as in the exemplary embodiments of FIGS. le and lf, is to be distinguished.
  • FIG. 2 shows a possible structure of an OLED 200, which can be used both with regard to structured and unstructured luminous elements and, in principle, also applies to OLED displays, with FIG. 2 in the latter case only representing one pixel.
  • the organic light-emitting diode 200 which is designed here as a substrate emitter or a structure emitting away from the substrate in contrast to a top emitter, that is to say a structure emitting through the substrate, comprises a lower, non-transparent contact layer as the first electrode 202.
  • This electrode 202 is in the Embodiment of FIG. 2 applied to a carrier substrate, such as a film or carrier film or a flexible thin-layer glass.
  • an organic layer system 204 composed of organic layers (not shown) of the light-emitting diode 200, which generate the actual light emission or emission as soon as a voltage is applied via the same and a charge carrier recombination is thereby brought about.
  • the organic layers of the layer system 204 can be applied in a vacuum vapor process or in liquid form, for example by a spray process.
  • a transparent second electrode 206 which is applied to the layer system 204 and is protected by a thin-film encapsulation 208.
  • the thin-film encapsulation 208 is formed in the form of a direct deposition or a barrier film and protects the underlying system or the layers 206, 204 and 202 from oxygen and water and other environmental influences which the OLED 200 is exposed to due to its external attachment for external lighting.
  • the OLED 200 formed in this way is applied as a film by means of the carrier substrate 203 on the body 210 of the vehicle (not shown) and, more precisely, on the body outer skin 212 of the body 210, using, for example, a heat treatment or UV treatment takes place in order to achieve the required attachment to the base 210.
  • the lower electrode 202 could also be applied directly to the body 210, such as by spraying or vapor deposition. Depending on the conductivity of the material of the body 210, it could be advantageous to provide an insulation layer between the lower electrode 202 and the body 210, which is applied to the body 210 before the electrode 202 is applied.
  • both the lower and the upper electrodes 202 and 206 can be made transparent. In this way, the organic light-emitting diode 200 thus formed would appear transparent when switched off, so that the background, namely the body 210 or its material, would be visible.
  • the background namely the body 210 or its material
  • the body of the vehicle is indicated at 310 in FIG. 4.
  • the body of the vehicle can consist of aluminum.
  • the lower electrode according to the exemplary embodiment from FIG. 4 is now applied directly to the body 310 and not indirectly using a film.
  • the OLED is embedded in the manufacture of the paint.
  • the base layers 320 are first applied to the body 310.
  • the base layers can include, for example, the following sub-layers: a body coating on the body, a cathodic dip coating (KTL) and a filler layer.
  • the top coating takes place, that is to say the application of the basecoat, which results in a layer 330 on the base layers 320 which will define the color of the body of the vehicle.
  • the first electrode 340 of the OLED is then applied to this layer 330, for example by a suitable spraying or vapor deposition method, for the flat deposition of the lower electrode layer 340.
  • Organic layers 350 then follow. The organic layers 350 are applied to the lower electrode layer 340, for example by means of a vapor deposition - or applied by a spray process.
  • the OLED is then closed off by a transparent OLED electrode layer 360, on which an encapsulation layer 370 is then applied, which can be closed off by a clear lacquer 380.
  • the encapsulation layer 370 is important as a scratch or environmental protection Layer for the OLED, which occupies or comprises layers 340, 350 and 360.
  • a standardization layer (not shown) is provided between the layer 330 and the first OLED electrode layer 340 in order to achieve a lower surface roughness for the OLED 340, 350 or 360.
  • This planarization layer is then applied after the application of the top coating or color layer even before the application of the lower electrode layer.
  • the planarization layer could also act as a barrier layer between the top coat coating 330 and the lower OLED electrode 360.
  • the top coat metallization could simultaneously serve as the first or lower electrode layer 340 of the OLED 340-360 in order to enable a simplified and lower structure. Accordingly, according to this alternative, layers 330 and 340 in FIG. 4 form a single layer, for which only one application step would be required.
  • suitable feed lines could run through an opening (not shown) in the body 210, which enable the OLED 200 to be controlled and supplied with voltage by an automated control device or controlled by corresponding switches or levers in the interior of the vehicle.
  • FIG. 3 shows a possible arrangement of the OLED 200 from FIG. 2, in which it is structured as a warning or information sign, the OLED 200 being shown in a top view and the same reference symbols being used in FIG. 3 as in FIG 2, which is why reference is made to a repeated explanation of the individual elements in FIG.
  • the lower, first electrode 202 is designed or structured as a symbol “STOP”, which corresponds to the information structure.
  • STOP a symbol
  • the layer system 204 consequently lights up at the overlay point or region between the two electrodes 202 and 206, as a result of which the warning or the message “STOP” can be seen on the outer surface of the body, while on the other hand in the switched-off state, ie if a voltage is not present, and if the electrode 202 is transparent, the base 210 is also visible at the point of intersection between the two electrodes 202 and 206.
  • FIG. 3 shows a luminous element for vehicles based on an organic light-emitting diode, a first electrode being applied to a substrate, an organic layer system being applied to this first electrode and the diode being terminated by a second electrode.
  • the second electrode is protected by a transparent encapsulation layer, and the base can be a carrier film or thin-layer glass or the vehicle body itself.
  • the lower electrode can be designed to be transparent and, in addition, it is possible for the first lower electrode to be designed in the form of a symbol for warning or information signs, as shown in FIG. 3, further forms from the application examples from FIG. la - lf can be easily derived.
  • the previous exemplary embodiments consequently stand out due to the use of flat light sources instead of point-shaped light sources from conventional vehicle exterior lamps, a reduction in installation space being achieved due to the small thickness of the OLEDs. Furthermore, the above exemplary embodiments enable the use of flexible foils for application to non-planar surfaces, as are usually formed by the outer surface of the body.
  • the OLEDs can also be integrated into the body in the form of a direct spray coating or vapor deposition, as described above.
  • the present invention is not limited to OLEDs on either the body or (glass) panes. Rather, it would be possible to use the hazard warning light OLED of FIG. 1b, for example, on the entire outer surface of the vehicle, i.e. incl. windows and body, but the OLED on the windows would have to be transparent.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electroluminescent Light Sources (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

L'invention concerne un mode efficace d'éclairage externe de véhicules à moteur (12), ce mode consistant à utiliser sur la carrosserie des diodes électroluminescentes organiques ou à les fixer de l'extérieur sur le véhicule (12). La réalisation d'orifices sur la carrosserie pour les éléments lumineux, comme c'est le cas pour une source de lumière ponctuelle, serait supprimée ou bien limitée à la prévision d'ouvertures de contact, la stabilité de la carrosserie étant ainsi augmentée et les coûts de développement et de fabrication de ladite carrosserie réduits.
EP04764557A 2003-08-28 2004-08-27 Elements lumineux sur la carrosserie d'un vehicule Ceased EP1647164A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10339791 2003-08-28
DE102004018647.2A DE102004018647B8 (de) 2003-08-28 2004-04-16 Leuchtkörper an einer Karosserie eines Fahrzeugs
PCT/EP2004/009583 WO2005025275A1 (fr) 2003-08-28 2004-08-27 Elements lumineux sur la carrosserie d'un vehicule

Publications (1)

Publication Number Publication Date
EP1647164A1 true EP1647164A1 (fr) 2006-04-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04764557A Ceased EP1647164A1 (fr) 2003-08-28 2004-08-27 Elements lumineux sur la carrosserie d'un vehicule

Country Status (2)

Country Link
EP (1) EP1647164A1 (fr)
WO (1) WO2005025275A1 (fr)

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FR2906344B1 (fr) * 2006-09-26 2009-01-09 Pascal Albert Nouvelle structure d'applique lumineuse.
WO2009064219A2 (fr) * 2007-11-15 2009-05-22 Sergey Vladimirovich Volkotrub Dispositif de publicité extérieure mobile (et variantes)
WO2009104982A1 (fr) * 2008-02-22 2009-08-27 Volkotrub Sergey Vladimirovich Stand de démonstration pour salle d'exposition-vente d'un garage
DE102010048933A1 (de) * 2009-12-23 2011-06-30 Mayer, Harald, 48163 Verfahren zur mobilen Wiedergabe von digitalen Informationen an einem Fahrzeug unter Verwendung retroflektierender Materialien
FR3002206B1 (fr) * 2013-02-19 2016-12-09 Airbus Operations Sas Procede et dispositif pour afficher a l'aide d'au moins un film electronique une image dynamique sur un engin mobile, en particulier un aeronef.
FR3005193B1 (fr) * 2013-04-26 2015-04-17 Aircelle Sa Dispositif pour l'affichage d'un message lumineux sur le carenage d'un aeronef
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