EP1371051B1 - Indication sign - Google Patents
Indication sign Download PDFInfo
- Publication number
- EP1371051B1 EP1371051B1 EP02744896A EP02744896A EP1371051B1 EP 1371051 B1 EP1371051 B1 EP 1371051B1 EP 02744896 A EP02744896 A EP 02744896A EP 02744896 A EP02744896 A EP 02744896A EP 1371051 B1 EP1371051 B1 EP 1371051B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lighting unit
- filling
- filling material
- opening
- lighting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F21/00—Mobile visual advertising
- G09F21/04—Mobile visual advertising by land vehicles
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/002—Signs, name or number plates, letters, numerals, or symbols; Panels or boards weather-proof panels or boards
Definitions
- the present invention relates to a pointing device which can be used in principle in any environment for generating luminous, pictorial or scriptural indications, and particularly preferably their use in environments heavily affected by moisture, contamination or mechanical influences, such as in the automotive sector or in the building sector (typical examples are emergency exits or stairs).
- From the US-A-5 641 221 is an indicating device with an at least partially breakthrough for generating a typeface, an image representation and / or a string at least partially flat support element which is connected to a flat side with a surface lighting unit on Elektrolumineszens- or Leuchtpolymerbasis, or by means of illuminated acrylic glass to form a backlight is, and wherein the opening is filled with a light for the light unit at least partially permeable filling compound.
- the DE 199 23 916 A an indication device with a planar lighting unit on Elektrolumineszens- or Leuchtpolymerbasis, or realized by means of illuminated acrylic, as well as an at least partially transparent layer, wherein between the lighting unit and the transparent layer, a sampling is provided by printing or patterning of the transparent layer facing surface the lighting unit and / or by a provided between the lighting unit and the transparent layer decorative film and / or an engraving of the acrylic glass is realized.
- Object of the present invention is therefore to provide a hint device that can fully develop their hinting effect even in dark or poorly lit environments, it is insensitive to extreme environmental influences and, in particular with regard to a Energy consumption and compact, especially flat dimensions, in addition to the use in building technology also good for mobile use, especially in the automotive sector, is suitable.
- the information device makes it possible to achieve a backlighting of an advertising or warning message in a flat, compact manner, wherein, in addition to the favorable dimensions, the design of the typeface, the image representation or the character string is at least one breakthrough according to the invention on the one hand the full-area protection of the underlying light unit (by the support element itself or by filled with the filling material breakthroughs) allows, and on the other hand can achieve advantageous optical conditions and maximum flexibility in production, patterning and coloring the desired representation.
- the result of the present invention is a compact, flexibly deployable and mechanically stable (suitably protected against environmental influences) arrangement, which solves the dilemma of existing, flat and unlit information signs in a surprisingly simple manner.
- the lighting unit according to the invention can be assigned any voltage supply or control elements which, in addition to a continuous light control, in particular also different light patterns, sequences of individual image or writing elements, flickering or the like achieve otherwise known An horrungswege.
- the electroluminescent elements preferably to be used for the lighting unit combine pleasant luminous properties with very favorable power consumption and a long service life, so that an instrument suitable in particular for permanent applications has also been found here.
- electroluminescence is to be understood broadly, so that in particular so-called organic electroluminescence, for example in the form of so-called light-emitting polymers (also referred to as luminous polymers), are encompassed by this term.
- organic electroluminescence for example in the form of so-called light-emitting polymers (also referred to as luminous polymers)
- luminous polymers also referred to as luminous polymers
- the filling compound is particularly preferably a two-component PU casting resin.
- coloring and level of the Filling material can realize numerous effects, such as a permanent color effect of the generated typeface or the image representation, a (by lens effect correspondingly protruding filling material) resulting, optical enlargement of the typeface, or a special weathering and UV resistance of the typeface by selecting the particular Suitable as a two-component casting resin (such as PU, due to the environmental compatibility, adjustable elasticity or scratch and abrasion resistance) selected filling material.
- the flexibility for achieving a desired reference design in the context of the present invention is further increased by the protective or decorative film provided on the one hand for permanent interposing between the lighting unit and the carrier element and thus by suitable coloring or patterning the appropriate optical Effect achieved.
- the permanent interposition of a protective film has the advantage that the light unit is not firmly connected to the filling compound, thereby a simple and economical replacement of the lighting unit allows without the breakthrough must be refilled with filling material).
- the film may be provided with a primary use as a protective film, only during production, namely for the end-side closing of the opening in the carrier element during filling of the opening with the filling material, in which case, after solidifying the same, the protective film can be removed.
- This realization form of the invention thus makes it possible to produce the overall arrangement without errors and rejects, since the filling compound can be applied separately from the lighting unit, thus avoiding stress and possible damage to the lighting unit by (still) liquid filling compound.
- the hint device it should also be pointed out that, according to a preferred embodiment, at the same time also an advantageous development of the main claim, it is possible to solve the sampling directly by means of the luminescent pigment or the luminous area itself applied by a (screen) printing process; in other words, in the context of the combination, the luminescent pigment of the electroluminescent lighting unit would be designed to act as a pattern in its own right.
- the carrier element can be of any desired design, whereby, depending on the material used, common procedures for introducing the breakthrough are suitable and insofar as the present invention includes any intended use, but with a focus on flat or flat carrier elements.
- the carrier element made of metal, wood and / or plastic material is made as a plane, angled or curved element.
- An existing aluminum sheet carrier element 10 has a plurality of corresponding letter contours cut out openings 12, which, as in the Fig. 1 shown, give a visual reference.
- the formation of the apertures 12 is by means of typical processing methods, for. As punching, (laser) cutting, etc. have been brought about.
- the openwork lettering in the carrier unit 10 according to Fig. 1, Fig. 2 backlit by a flat lighting unit 14, which is provided in the manner of a strip behind the openings and parallel to the support member 10 extends.
- the luminous element 14 is realized as an electroluminescent luminous element (in particular inorganic thick-film EL element), ie as a homogeneous luminous surface (in this case strip-shaped), the luminous effect being induced in an otherwise known manner by electroluminescence, excited by a supply voltage which can be coupled to a supply line 16 or by means of a connected ballast (converter) is generated.
- electroluminescence effective luminous surfaces are well known in the art and available on common distributors in different surface dimensions, maximum intensities and luminances, primary colors, etc.
- An advantageous feature of the electroluminescent (EL) luminaires preferably used in the context of the invention is a homogeneous light emission without glare point and shadow surfaces;
- a nearly stepless brightness control is possible, as well as a color temperature change by suitable adjustment of the operating frequency.
- Further advantages of an electroluminescent lighting unit are, moreover, that - as in contrast to conventional light bulbs - no sudden failure takes place, but aging phenomena or declining performance is gradual, i. by decreasing brightness, expresses. Incidentally, especially in comparison with light bulbs, the life is relatively long.
- a decorative sheet 20 which, suitably colored or patterned, an individual coloring or color design of passing through the letter cutouts 12 (EL) light allows.
- this decorative or protective film is attached by adhesive bonding or by means of a (single- or double-sided) adhesive strip.
- the film 20 receives the role of a protective film: namely, it offers in particular, during the filling of the openings 12 with the Mastic (casting resin) provided separately from the support member 10, the light unit 14, so that damage by the liquid resin is avoided.
- the protective film 20 makes it possible to either cast (fill) the mounted luminous element or it serves as a (preferably removable) protective film at the time of filling and until the filling material solidifies.
- the luminous surface to the carrier element 10 (with or without the decorative film 20 therebetween).
- the EL luminescent film is preferably laminated (with PE), which further increases the electrical and mechanical safety against damage.
- the filling compound is introduced into the openings 12 in such a way that it protrudes beyond a planar outer surface of the carrier element 10 and forms the bulges indicated by the reference numeral 22.
- This allows additional optical effects to be achieved, such as by a lens mold of the cast resin bulges 22 (alternatively, it is also conceivable that the entire surface of the support material is covered with cast resin).
- a particular, mechanically effective advantage of the invention lies in the fact that by a complete or surrounding filling of the openings with the filling material, especially for large-area reference surfaces with accordingly large breakthroughs, possible injury due to sharp edges of the openings (such as for passers-by) can be avoided.
- the light-emitting element 14 is covered by a housing element 18, so that, with the overall layout still planar, a rearward protection of the light-emitting element 14 can take place against environmental influences - towards the front side (luminous side), this is advantageously already achieved by the aluminum Carrier element 10 and the casting resin filling of the openings 12 achieved.
- the cover element 18 can in particular also be realized as an (elastic) adhesive foam or as a textile tape, depending on the specific conditions of use.
- the carrier element is covered with cast resin, for example also within a potted form; In that regard, the composite would then be embedded or encapsulated in the potting material, so that in this respect no separate housing would be necessary.
- the supply line 16 is connected to a suitable control or voltage supply unit, which can then further suitably adjust suitable luminous parameters of the luminous element 14, in addition to brightness and color temperature possibly also animation effects, such as flashing or dimming.
- a suitable control or voltage supply unit which can then further suitably adjust suitable luminous parameters of the luminous element 14, in addition to brightness and color temperature possibly also animation effects, such as flashing or dimming.
- the carrier element for each individual surface of the lighting unit has an associated (single) breakthrough
- the support member with a breakthrough , which is deposited by a multi-segment lighting unit (such as in the form of an animated company logo, a digital clock or the like.), So that there are any variation options.
- the present invention is not limited to the embodiment described, so any materials offer as a carrier element, as well as any shapes or configurations of this element.
- the carrier element can be provided in almost any manner with (indicative) breakthroughs; In addition to the letters shown, these may in particular also be other image or symbol elements, which in turn, depending on the selected material for the carrier, are then cut out or worked out by a suitable manufacturing process.
- a two-component polyurethane cast resin is suitable as the filling compound.
- An alternative form of realization of the luminous element 14 envisages the use here of a suitably flat acrylic glass element, which then acts as a light guide for injected light (eg via LEDs) (and the LEDs are located approximately in a bore of the glass element); alternative could be fed external light by means of a light guide.
- This variant of the invention is particularly effective when illuminating or pointing effects are brought about by a suitable milling of the acrylic glass surface, for example in the form of characters with corresponding refraction effects. Especially at such milled grooves in the surface then enters the light fed into the acrylic glass surface optically effective.
- a support element (10 in FIG Fig. 1 ) can be completely dispensed with.
- the hinting effect is achieved by covering a patterning layer on an EL light-emitting element (realized either by an additional foil, or by direct printing / patterning of the light-emitting surface of the EL element) by a cast resin layer as a transparent protective layer. Even such a unit, which realizes additional advantages in terms of small thickness, is suitable for a variety of applications, such as in the automotive or building sector.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Marketing (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
Die vorliegende Erfindung betrifft eine Hinweisvorrichtung, welche prinzipiell in beliebigen Umgebungen zum Erzeugen von leuchtenden, bild- bzw. schriftförmigen Hinweisen verwendet werden kann und besonders bevorzugt ihren Einsatz in durch Feuchtigkeit, Verschmutzung oder mechanische Einflüsse stark belasteten Umgebungen, wie etwa im Kraftfahrzeugbereich oder im Gebäudebereich (typische Beispiele sind Notausgänge bzw. Treppenstufen), findet.The present invention relates to a pointing device which can be used in principle in any environment for generating luminous, pictorial or scriptural indications, and particularly preferably their use in environments heavily affected by moisture, contamination or mechanical influences, such as in the automotive sector or in the building sector (typical examples are emergency exits or stairs).
Aus dem Stand der Technik ist es bekannt, Hinweisschilder, etwa zu Werbe- oder Warnzwecken, als geeignet profilierte Aluminiumelemente herzustellen und an einschlägigen Stellen, z. B. auf einem Schwellerbereich eines Kraftfahrzeugs, eine Einstiegsleiste beim KFZ und/oder bei einem Omnibus (bzw. generell als Stufenkante einer Treppe), zu montieren. Derartige Hinweiselemente entfalten jedoch in dunkler bzw. schlecht beleuchteter Umgebung praktisch keine Hinweiswirkung mehr, was sich insbesondere dann als potentiell nachteilig und gefahrenträchtig auswirkt, wenn mit einem solchen Hinweiselement Warnhinweise gegeben werden sollen.From the prior art, it is known to produce signs, such as for advertising or warning purposes, as suitable profiled aluminum elements and at relevant locations, eg. B. on a sill area of a motor vehicle, a door sill in the car and / or in a bus (or generally as a step edge of a staircase) to assemble. However, such reference elements unfold in dark or poorly lit environment virtually no hint effect, which in particular as potentially detrimental and dangerous, if warnings should be given with such a reference element.
Aus dem Stand der Technik sind zudem zahlreiche Möglichkeiten bekannt, Leuchthinweise zu geben, etwa in Form einer geeignet angeordneten LED-Kette, einer Auflichtbeleuchtung od. dgl.. Insbesondere in einer mobilen Umgebung erscheint jedoch ein Einsatz derartiger Technologien nicht sinnvoll, da entweder mit bekannten Lichtquellen ein beträchtlicher Stromverbrauch verbunden ist, oder aber bereits die physikalischen Abmessungen (insbesondere eine Dicke) herkömmlicher Leuchtelemente einen Einsatz in Verbindung mit einem flachen (bevorzugt plattenförmigen) Hinweiselement verbieten. Hinzu kommt die fehlende Eignung vieler Leuchtelemente zur Verwendung in Einsatzumgebungen, die besondere Gefahren durch Verschmutzung, Feuchtigkeit oder extreme Temperatureinflüsse; oder aber durch starke mechanische Beanspruchung (z.B. Vandalismus, hohe Frequentierung usw.) bieten.In addition, numerous possibilities are known from the prior art to give light directions, such as in the form of a suitably arranged LED chain, incident light illumination or the like. Especially in a mobile environment, however, does not make sense to use such technologies, either with known Light sources a considerable power consumption is connected, or even the physical dimensions (in particular a thickness) of conventional lighting elements prohibit an insert in conjunction with a flat (preferably plate-shaped) indicator element. Added to this is the lack of suitability of many lighting elements for use in service environments that are particularly prone to contamination, moisture or extremes of temperature; or by strong mechanical stress (eg vandalism, high frequency, etc.) offer.
Aus der
Ferner offenbart die
Weitere Hinweisvorrichtungen sind bekannt aus der
Aufgabe der vorliegenden Erfindung ist es daher, eine Hinweisvorrichtung zu schaffen, die auch in dunklen bzw. schlecht beleuchteten Umgebungen ihre Hinweiswirkung voll entfalten kann, dabei unempfindlich gegen extreme Umgebungseinflüsse ist und sich, insbesondere hinsichtlich eines Energieverbrauchs sowie kompakten, insbesondere flachen Abmessungen, neben dem Einsatz in der Gebäudetechnik auch gut für den mobilen Einsatz, insbesondere im Kraftfahrzeugbereich, eignet.Object of the present invention is therefore to provide a hint device that can fully develop their hinting effect even in dark or poorly lit environments, it is insensitive to extreme environmental influences and, in particular with regard to a Energy consumption and compact, especially flat dimensions, in addition to the use in building technology also good for mobile use, especially in the automotive sector, is suitable.
Die Aufgabe wird durch die Hinweisvorrichtung mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen beschrieben.The object is achieved by the hint device with the features of
In erfindungsgemäß vorteilhafter Weise ermöglicht es die Hinweisvorrichtung, in einer flachen, kompakten Weise eine Hinterleuchtung eines Werbe- bzw. Warnhinweises zu erreichen, wobei, neben den günstigen Abmessungen, die Ausgestaltung des Schriftbildes, der Bilddarstellung bzw. der Zeichenfolge durch den erfindungsgemäß mindestens einen Durchbruch einerseits den vollflächigen Schutz der unterliegenden Leuchteinheit (durch das Trägerelement selbst bzw. durch die mit der Füllmasse ausgefüllten Durchbrüche) ermöglicht, und andererseits vorteilhafte optische Bedingungen sowie größtmögliche Flexibilität bei Herstellung, Bemusterung und Einfärbung der gewünschten Darstellung erreichen lässt. In diesem Zusammenhang ist es insbesondere auch möglich, die Verbindung zwischen Trägerelement und Leuchteinheit lösbar bzw. abnehmbar auszugestalten, um insoweit größtmögliche Flexibilität, etwa beim Austauschen eines der Partners, für ein beleuchtetes Treppenprofil, zu erhalten.In an advantageous manner according to the invention, the information device makes it possible to achieve a backlighting of an advertising or warning message in a flat, compact manner, wherein, in addition to the favorable dimensions, the design of the typeface, the image representation or the character string is at least one breakthrough according to the invention on the one hand the full-area protection of the underlying light unit (by the support element itself or by filled with the filling material breakthroughs) allows, and on the other hand can achieve advantageous optical conditions and maximum flexibility in production, patterning and coloring the desired representation. In this context, it is also possible, in particular, to make the connection between the carrier element and the lighting unit detachable or detachable in order to maximize the flexibility, for example when exchanging to get one of the partners, for an illuminated stair profile.
Im Ergebnis entsteht durch die vorliegende Erfindung eine kompakte, flexibel einzusetzende und mechanisch stabile (entsprechend gegen Umwelteinflüsse geschützte) Anordnung, welche in überraschend einfacher Weise das Dilemma existierender, flacher und unbeleuchteter Hinweistafeln löst.The result of the present invention is a compact, flexibly deployable and mechanically stable (suitably protected against environmental influences) arrangement, which solves the dilemma of existing, flat and unlit information signs in a surprisingly simple manner.
Es ergibt sich dabei für den Fachmann von selbst, dass der erfindungsgemäßen Leuchteinheit beliebige Spannungsversorgungs- bzw. Steuerelemente zugeordnet werden können, welche, neben einer Dauerlichtsteuerung, insbesondere auch verschiedene Lichtmuster, Sequenzen einzelner Bild- bzw. Schriftelemente, Flackern od. dgl. Leuchtmuster durch ansonsten bekannte Ansteuerungswege erreichen lassen. Im übrigen sei darauf verwiesen, dass die bevorzugt einzusetzenden Elektrolumineszenzelemente für die Leuchteinheit angenehme Leuchteigenschaften mit sehr günstigem Stromverbrauch und langer Lebensdauer kombinieren, so dass auch hier ein insbesondere für dauerhafte Einsatzzwecke geeignetes Instrument aufgefunden wurde. Im Rahmen der Erfindung ist dabei der Begriff "Elektrolumineszenz" weit zu verstehen, so dass insbesondere auch sog. organische Elektrolumineszenz etwa in Form von sog. light-emitting Polymers (auch als Leuchtpolymere bezeichnet) von diesem Begriff umfasst sind. Insbesondere vor dem Hintergrund, dass derartige Elemente keinen Glasträger benötigen, eignen sich diese besonders zur Verwendung im Rahmen der vorliegenden Erfindung.For the person skilled in the art, it is obvious that the lighting unit according to the invention can be assigned any voltage supply or control elements which, in addition to a continuous light control, in particular also different light patterns, sequences of individual image or writing elements, flickering or the like achieve otherwise known Ansteuerungswege. For the rest, it should be pointed out that the electroluminescent elements preferably to be used for the lighting unit combine pleasant luminous properties with very favorable power consumption and a long service life, so that an instrument suitable in particular for permanent applications has also been found here. In the context of the invention, the term "electroluminescence" is to be understood broadly, so that in particular so-called organic electroluminescence, for example in the form of so-called light-emitting polymers (also referred to as luminous polymers), are encompassed by this term. In particular, in the light of the fact that such elements do not require a glass carrier, they are particularly suitable for use in the context of the present invention.
Die bereits erwähnte hohe Flexibilität und gleichzeitige Schutzwirkung für die unterliegende Leuchteinheit ergibt sich primär aus einer entsprechenden Auswahl und Ausbildung der Befüllung des Durchbruchs durch die Füllmasse. Während der Durchbruch beispielsweise durch Schneiden, Fräsen, Plotten, Gießen, Stanzen oder Spritzen hergestellt ist, ist besonders bevorzugt die Füllmasse ein Zwei-Komponenten-PU-Gießharz. Je nach Auswahl, Einfärbung und Füllhöhe der Füllmasse lassen sich zahlreiche Effekte realisieren, wie etwa eine dauerhafte Farbwirkung des erzeugten Schriftbildes bzw. der Bilddarstellung, eine (durch Linsenwirkung entsprechend hervorstehender Füllmasse) entstehende, optische Vergrößerung des Schriftbildes, oder eine besondere Witterungs- und UV-Beständigkeit des Schriftbildes durch Auswahl der besonders geeignet als Zwei-Komponenten-Gießharz (etwa PU, aufgrund der Umweltverträglichkeit, einstellbare Elastizitäten bzw. Kratz- und Scheuerfestigkeit) gewählten Füllmasse.The already mentioned high flexibility and simultaneous protective effect for the underlying light unit results primarily from a corresponding selection and design of the filling of the opening through the filling compound. While the breakthrough is made, for example, by cutting, milling, plotting, casting, stamping or spraying, the filling compound is particularly preferably a two-component PU casting resin. Depending on selection, coloring and level of the Filling material can realize numerous effects, such as a permanent color effect of the generated typeface or the image representation, a (by lens effect correspondingly protruding filling material) resulting, optical enlargement of the typeface, or a special weathering and UV resistance of the typeface by selecting the particular Suitable as a two-component casting resin (such as PU, due to the environmental compatibility, adjustable elasticity or scratch and abrasion resistance) selected filling material.
Weiter erhöht wird die Flexibilität zum Erreichen einer gewünschten Hinweisgestaltung im Rahmen der vorliegenden Erfindung durch die weiterbildungsgemäß vorgesehene Schutz- bzw. Dekorfolie, welche einerseits zum dauerhaften Zwischenlegen zwischen die Leuchteinheit und das Trägerelement ausgebildet sein kann und so durch entsprechende Einfärbung bzw. Bemusterung die geeignete optische Wirkung erreicht. (Das dauerhafte Zwischenlegen einer Schutzfolie besitzt den Vorteil, dass die Lichteinheit nicht fest mit der Füllmasse verbunden ist; hierdurch ist ein einfacher und wirtschaftlicher Austausch der Leuchteinheit ermöglicht, ohne dass der Durchbruch wieder mit Füllmasse versehen werden muss). Andererseits kann die Folie, mit primärem Einsatzzweck als Schutzfolie, lediglich während der Fertigung vorgesehen sein, nämlich zum endseitigen Verschließen des Durchbruchs im Trägerelement beim Befüllen des Durchbruchs mit der Füllmasse, wobei dann, nach Verfestigen derselben, die Schutzfolie abgezogen werden kann. Diese Realisierungsform der Erfindung ermöglicht somit ein Fehler und Ausschuss verminderndes Herstellen der Gesamtanordnung, da die Füllmasse getrennt von der Leuchteinheit aufgebracht werden kann und so eine Belastung und mögliche Beschädigung der Leuchteinheit durch (noch) flüssige Füllmasse vermieden werden kann.The flexibility for achieving a desired reference design in the context of the present invention is further increased by the protective or decorative film provided on the one hand for permanent interposing between the lighting unit and the carrier element and thus by suitable coloring or patterning the appropriate optical Effect achieved. (The permanent interposition of a protective film has the advantage that the light unit is not firmly connected to the filling compound, thereby a simple and economical replacement of the lighting unit allows without the breakthrough must be refilled with filling material). On the other hand, the film may be provided with a primary use as a protective film, only during production, namely for the end-side closing of the opening in the carrier element during filling of the opening with the filling material, in which case, after solidifying the same, the protective film can be removed. This realization form of the invention thus makes it possible to produce the overall arrangement without errors and rejects, since the filling compound can be applied separately from the lighting unit, thus avoiding stress and possible damage to the lighting unit by (still) liquid filling compound.
Hinsichtlich der Hinweisvorrichtung sei noch darauf verwiesen, dass gemäß einer bevorzugten Realisierungsform, gleichzeitig auch eine vorteilhafte Weiterbildung des Hauptanspruches, die Möglichkeit besteht, die Bemusterung unmittelbar mittels des Leuchtpigmentes bzw. der selbst durch ein (Sieb-) Druckverfahren aufgebrachten Leuchtfläche zu lösen; mit anderen Worten, im Rahmen der Kombination würde das Leuchtpigment der Elektrolumineszenz-Leuchteinheit so ausgebildet, dass es selbst als Bemusterung wirkt.With regard to the hint device, it should also be pointed out that, according to a preferred embodiment, at the same time also an advantageous development of the main claim, it is possible to solve the sampling directly by means of the luminescent pigment or the luminous area itself applied by a (screen) printing process; in other words, in the context of the combination, the luminescent pigment of the electroluminescent lighting unit would be designed to act as a pattern in its own right.
Prinzipiell kann das Trägerelement beliebig ausgebildet sein, wobei sich, je nach verwendetem Material, gängige Vorgehensweisen zum Einbringen des Durchbruchs eignen und insoweit die vorliegende Erfindung beliebige Einsatzzwecke, allerdings mit einem Schwerpunkt bei flächigen bzw. flachen Trägerelementen, einschließt. Bevorzugt ist das Trägerelement aus Metall-, Holz- und/oder Kunststoffmaterial als planes, gewinkeltes oder gekrümmtes Element gefertigt.In principle, the carrier element can be of any desired design, whereby, depending on the material used, common procedures for introducing the breakthrough are suitable and insofar as the present invention includes any intended use, but with a focus on flat or flat carrier elements. Preferably, the carrier element made of metal, wood and / or plastic material is made as a plane, angled or curved element.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnungen; diese zeigen in
- Fig. 1:
- eine Frontansicht einer erfindungsgemäßen Hinweisvorrichtung gemäß einer ersten, bevorzugten Ausführungsform der Erfindung;
- Fig. 2:
- eine rückwärtige Ansicht der Vorrichtung gemäß
Fig. 1 und - Fig. 3:
- eine Schnittansicht entlang der Schnittlinie III - III in
Fig. 1 .
- Fig. 1:
- a front view of a hint device according to the invention according to a first preferred embodiment of the invention;
- Fig. 2:
- a rear view of the device according to
Fig. 1 and - 3:
- a sectional view taken along the section line III - III in
Fig. 1 ,
Ein aus einem Aluminiumblech bestehendes Trägerelement 10 weist eine Mehrzahl von entsprechenden Buchstabenkonturen ausgeschnittenen Durchbrüchen 12 auf, welche, wie in der
Wie insbesondere aus der Schnittansicht der
Durch Elektrolumineszenz wirksame Leuchtflächen sind aus dem Stand der Technik hinreichend bekannt und über gängige Distributoren in verschiedenen Flächenabmessungen, maximalen Lichtstärken und Leuchtdichten, Grundfarben usw. erhältlich. Vorteilhaft an den bevorzugt im Rahmen der Erfindung eingesetzten Elektrolumineszenz (EL) -Leuchten ist eine homogene Lichtemission ohne Blendpunkt und Schattenflächen; zudem ist, in Abhängigkeit von einer geeignet gewählten elektronischen Ansteuerung, eine nahezu stufenlose Helligkeitsregelung möglich, genauso wie eine Farbtemperaturänderung durch geeignete Einstellung der Betriebsfrequenz. Weitere Vorteile einer Elektrolumineszenz-Leuchteinheit liegen zudem darin, dass -- etwa im Gegensatz zu herkömmlichen Glühbirnen -- kein plötzlicher Ausfall erfolgt, sondern Alterungserscheinungen bzw. nachlassende Leistung sich graduell, d.h. durch abnehmende Helligkeit, äußert. Im übrigen ist, gerade auch im Vergleich mit Glühbirnen, die Lebensdauer relativ lang. Weitere Vorteile sind der durch den hohen Wirkungsgrad erreichte, geringe Stromverbrauch, fehlende Erwärmung (da Kaltlichtquelle, so dass bei zugeordneten Trägermaterialien Temperaturempfindlichkeit keine Rolle spielt), geringe Schaltzeiten in einem Effektmodus, sowie ein weitgehend flimmerfreies, weit sichtbares (da konturgenaues) Licht. Aus mechanischer Sicht kommen hinzu die Vorteile einer flachen Lichtquelle, die zudem flexibel ist und ein geringes Gewicht aufweist, zudem tritt- und vibrationsfest ist.By electroluminescence effective luminous surfaces are well known in the art and available on common distributors in different surface dimensions, maximum intensities and luminances, primary colors, etc. An advantageous feature of the electroluminescent (EL) luminaires preferably used in the context of the invention is a homogeneous light emission without glare point and shadow surfaces; In addition, depending on a suitably selected electronic control, a nearly stepless brightness control is possible, as well as a color temperature change by suitable adjustment of the operating frequency. Further advantages of an electroluminescent lighting unit are, moreover, that - as in contrast to conventional light bulbs - no sudden failure takes place, but aging phenomena or declining performance is gradual, i. by decreasing brightness, expresses. Incidentally, especially in comparison with light bulbs, the life is relatively long. Further advantages are achieved by the high efficiency, low power consumption, lack of heating (since cold light source, so that with associated substrates temperature sensitivity is not important), low switching times in an effect mode, and a largely flicker-free, widely visible (as contour accurate) light. From a mechanical point of view, there are the advantages of a flat light source, which is also flexible and light in weight, and is also shock and vibration resistant.
Wie zudem in der Schnittansicht der
Im Hinblick darauf, dass im Rahmen der vorliegenden Erfindung die Buchstabenausschnitte 12 zudem noch mit einer PU-Harz-Verbundmasse gefüllt sind, erhält die Folie 20 die Rolle einer Schutzfolie: So bietet es sich nämlich insbesondere an, während der Befüllung der Durchbrüche 12 mit der Füllmasse (Gießharz) die Leuchteinheit 14 getrennt vom Trägerelement 10 vorzusehen, so dass eine Beschädigung durch das flüssige Gießharz vermieden wird. Dagegen ermöglicht es die Schutzfolie 20, entweder ein Vergießen (Befüllen) beim montierten Leuchtelement vorzunehmen oder aber dient als (bevorzugt abnehmbare) Schutzfolie zum Zeitpunkt des Befüllens und bis zum Erstarren der Füllmasse.In view of the fact that in the context of the present invention, the
Es sind verschiedene Wege denkbar, um die Leuchtfläche an dem Trägerelement 10 (mit oder ohne dazwischenliegende Dekorfolie 20) zu befestigen. Beispielsweise bietet es sich an, das EL-Leuchtelement auf die Rückseite des Trägerelements 10 zu kleben. Bevorzugt erfolgt dies dadurch, dass die EL-Leuchtfläche selbstklebend ist oder mittels eines (ein- oder doppelseitigen) Klebestreifens befestigt wird. Die EL-Leuchtfolie ist bevorzugt einlaminiert (mit PE), wodurch sich die elektrische und mechanische Sicherheit gegen Beschädigungen weiter erhöht.Various ways are conceivable for fastening the luminous surface to the carrier element 10 (with or without the
In vorteilhafter Weise wird zudem die Füllmasse so in die Durchbrüche 12 eingebracht, dass diese über eine plane Außenfläche des Trägerelements 10 hinaussteht und die mit dem Bezugszeichen 22 angedeuteten Wölbungen ausbildet. Dies gestattet das Erreichen zusätzlicher optischer Effekte, etwa durch eine Linsenform der Gießharz-Wölbungen 22 (alternativ ist es auch denkbar, dass die gesamte Oberfläche des Trägermaterials mit Gießharz bedeckt ist).In an advantageous manner, moreover, the filling compound is introduced into the
Ein besonderer, mechanisch wirksamer Vorteil der Erfindung liegt zudem darin, dass durch ein vollständiges bzw. umstehendes Ausfüllen der Durchbrüche mit der Füllmasse, insbesondere bei großflächigen Hinweisflächen mit entsprechend großen Durchbrüchen, mögliche Verletzungsgefahren durch scharfe Kanten der Durchbrüche (etwa für Passanten) vermieden werden können.A particular, mechanically effective advantage of the invention lies in the fact that by a complete or surrounding filling of the openings with the filling material, especially for large-area reference surfaces with accordingly large breakthroughs, possible injury due to sharp edges of the openings (such as for passers-by) can be avoided.
Rückseitig ist das Leuchtelement 14 von einem Gehäuseelement 18 überdeckt, so dass, bei nach wie vor planer Gesamtanordnung, ein rückwärtiger Schutz des Leuchtelements 14 vor Umgebungseinflüssen erfolgen kann -- zur Frontseite (Leuchtseite) hin wird dies in erfindungsgemäß vorteilhafter Weise bereits durch das Aluminium-Trägerelement 10 bzw. die Gießharz-Befüllung der Durchbrüche 12 erreicht. Das Abdeckelement 18 kann insbesondere auch als (elastischer) Klebeschaum oder als Textilband realisiert sein, je nach konkreten Einsatzbedingungen. Alternativ ist es auch möglich, dass (auch) rückseitig das Trägerelement mit Gießharz bedeckt ist, etwa auch innerhalb einer vergossenen Form; insoweit wäre der Verbund dann im Vergussmaterial eingebettet bzw. gekapselt, so dass insoweit kein separates Gehäuse notwendig wäre.On the rear side, the light-emitting
Auf die vorstehend beschriebene Weise entsteht somit eine kompakte, gleichwohl hochgradig betriebssichere und auch harten Umgebungsbedingungen gewachsene Einheit, die sich insbesondere auch für mobile Einsätze, etwa im Kraftfahrzeug- oder Sportgerätebereich, eignet. In ansonsten bekannter Weise wird dabei die Zuleitung 16 mit einer geeigneten Ansteuer- bzw. Spannungsversorgungseinheit verbunden, die dann zudem weiterbildungsgemäß vorteilhaft geeignete Leuchtparameter des Leuchtelements 14 einstellen kann, neben Helligkeit und Farbtemperatur ggf. auch Animationseffekte, wie Blinken oder Dimmen. Weiterbildungsgemäß ist es zudem denkbar, die flächige Leuchteinheit 14 in eine Mehrzahl von Einzelflächen aufzuteilen, die idealerweise etwa einzeln jedem Buchstaben (d. h. jedem einzelnen Durchbruch) individuell zugeordnet sein können, oder aber jedem Wort. Entsprechend wird hier die Vielfalt der durch Ansteuerung möglichen Effekte drastisch erhöht, etwa durch Lauflicht, einzelnes, hervorgehobenes Blinken von Worten oder Buchstaben, od. dgl.. Während es zwar einerseits bevorzugt ist, dass das Trägerelement für jede Einzelfläche der Leuchteinheit einen zugeordneten (einzelnen) Durchbruch aufweist, ist es im Rahmen der vorliegenden Erfindung auch möglich, das Trägerelement mit einem Durchbruch vorzusehen, welches von einer Mehrsegment-Leuchteinheit hinterlegt ist (etwa in Form eines animierten Firmenlogos, einer Digitaluhr od.dgl.), so dass hier beliebige Variationsmöglichkeiten bestehen.In the manner described above thus results in a compact, yet highly reliable and also tough environmental conditions grown unit, which is particularly suitable for mobile applications, such as in the automotive or sports equipment sector. In an otherwise known manner, the
Es zeigt sich, dass damit insbesondere die Hinweis- und Signalwirkung existierender, i. w. passiver bzw. passiv beleuchteter Hinweisflächen deutlich verbessert werden kann, und dass die mechanische und elektronische Realisierung große Probleme bietet oder, gerade bei schwierigen Umgebungsverhältnissen, fehlerträchtig wird.It turns out that in particular the hint and signal effect of existing, i. w. Passive or passively illuminated reference surfaces can be significantly improved, and that the mechanical and electronic implementation of great problems or, especially in difficult environmental conditions, is prone to error.
Die vorliegende Erfindung ist nicht auf das beschriebene Ausführungsbeispiel beschränkt, so bieten sich beliebige Materialien als Trägerelement an, genauso wie beliebige Formen bzw. Ausbildungen dieses Element. Genauso lässt sich das Trägerelement in nahezu beliebiger Weise mit (hinweisgebenden) Durchbrüchen versehen; neben den gezeigten Buchstaben können dies insbesondere auch andere Bild- oder Symbolelemente sein, welche dann wiederum, je nach gewähltem Material für den Träger, durch ein geeignetes Herstellungsverfahren ausgeschnitten bzw. herausgearbeitet werden.The present invention is not limited to the embodiment described, so any materials offer as a carrier element, as well as any shapes or configurations of this element. In the same way, the carrier element can be provided in almost any manner with (indicative) breakthroughs; In addition to the letters shown, these may in particular also be other image or symbol elements, which in turn, depending on the selected material for the carrier, are then cut out or worked out by a suitable manufacturing process.
Als Füllmasse eignet sich insbesondere ein Zwei-Komponentenpolyurethan-Gießharz, jedoch auch andere, transparente Füllmittel.In particular, a two-component polyurethane cast resin, but also other transparent fillers, is suitable as the filling compound.
Eine alternative Realisierungsform des Leuchtelements 14 sieht vor, hier ein entsprechend flächig gebildetes Acrylglaselement einzusetzen, wobei dieses dann für eingespeistes Licht (z. B. über LEDs) als Lichtleiter wirkt (und die LEDs etwa in einer Bohrung des Glaselements sitzen); alternativ könnte externes Licht mittels eines Lichtleiters zugeleitet werden. Besonders effektvoll ist diese Variante der Erfindung, wenn Leucht- bzw. Hinweiseffekte durch ein geeignetes Fräsen der Acrylglasoberfläche, etwa in Form von Schriftzeichen mit entsprechenden Brechungseffekten, herbeigeführt werden. Gerade an derartigen Einfräsungen in der Oberfläche tritt dann das in die Acrylglasfläche eingespeiste Licht optisch wirksam aus.An alternative form of realization of the
Eine alternative, ebenfalls beanspruchte Ausführungsform der Erfindung sieht vor, dass auf ein Trägerelement (10 in
Claims (8)
- Indication device comprising a carrier member (10), which is planar at least in portions and which has at least one opening (12) for generating a text image, a graphic representation or a row of characters, said member being connected by a planar side thereof to a planar lighting unit (14) based on electro-luminescence or luminous polymer or by means of illuminated acrylic glass to form back-lighting, characterised in that the opening (12) is filled with a filling material, permeable at least in part to the light from the lighting unit, in the form of a casting resin solidified after filling, a transparent, patterned and/or coloured decorative and protective film (20) being provided in a transition region between the filling material and the lighting unit (14) and being formed so as to close the end face of the opening (12) during the filling.
- Device according to claim 1, characterised in that the decorative and protective film (20) is formed so as to be removable before mounting the carrier member (10) on the flat lighting unit (14) and after solidification of the filling material.
- Device according to either claim 1 or claim 2, characterised in that the decorative and protective film is formed in a plurality of layers and comprises a decorative or patterned layer.
- Device according to any one of claims 1 to 3, characterised in that the filling material is inserted into the opening in such a way that on a side of the carrier member opposite the lighting unit, said material protrudes over an edge of the opening, terminates flush with the edge or has a filling level below the edge.
- Device according to claim 4, characterised in that the filling material has an optical lens effect (22).
- Device according to any one of claims 1 to 5, characterised in that the filling material has a colouring and/or can be configured with various degrees of resilience or hardness.
- Indication device according to any one of claims 1 to 6, characterised in that the pattern is produced by a illuminating surface portion of the lighting unit which portion produces a lighting effect in the planar lighting unit.
- Use of the indication device according to any one of claims 1 to 7, on or in a motor vehicle, in building services, in particular for providing stair lighting, on or in sports equipment or for information signs.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE20103133U | 2001-02-22 | ||
DE20103133U DE20103133U1 (en) | 2001-02-22 | 2001-02-22 | Notification device |
PCT/EP2002/001901 WO2002069308A2 (en) | 2001-02-22 | 2002-02-22 | Indication sign |
Publications (2)
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EP1371051A2 EP1371051A2 (en) | 2003-12-17 |
EP1371051B1 true EP1371051B1 (en) | 2009-12-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP02744896A Expired - Lifetime EP1371051B1 (en) | 2001-02-22 | 2002-02-22 | Indication sign |
Country Status (6)
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US (1) | US20040128882A1 (en) |
EP (1) | EP1371051B1 (en) |
AU (1) | AU2002308300A1 (en) |
DE (2) | DE20103133U1 (en) |
ES (1) | ES2337884T3 (en) |
WO (1) | WO2002069308A2 (en) |
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US20040090789A1 (en) * | 2003-08-21 | 2004-05-13 | Aaron Golle | Snow removal vehicles with colored EL lighting |
US7306345B2 (en) * | 2002-11-27 | 2007-12-11 | Safe Lites, Llc | High visibility safety sign |
DE10320467B4 (en) * | 2003-05-08 | 2006-02-16 | Bayerische Motoren Werke Ag | Illuminated component with luminous foil and integrated voltage transformer |
US20040080957A1 (en) * | 2003-08-21 | 2004-04-29 | Aaron Golle | Moduflaps with EL lighting |
US20040080929A1 (en) * | 2003-08-21 | 2004-04-29 | Aaron Golle | EL safety sign construction |
DE10338897A1 (en) * | 2003-08-23 | 2005-03-17 | Volkswagen Ag | Functional element for starting or ending a motor vehicle's functions lights up a functional element with a fluorescent or phosphorescent layer |
AU2004323162B2 (en) * | 2004-09-08 | 2010-01-14 | Ivan To | Luminescent signage component |
ATE391051T1 (en) * | 2005-10-20 | 2008-04-15 | Alfred Held | MOTOR VEHICLE WITH RUNNING BOARD |
KR101278768B1 (en) * | 2006-04-13 | 2013-06-25 | 삼성전자주식회사 | Electroluminescence element and electronic device including the same |
DE102006025140A1 (en) * | 2006-05-30 | 2007-12-06 | BSH Bosch und Siemens Hausgeräte GmbH | optical fiber |
SG172615A1 (en) | 2006-06-02 | 2011-07-28 | Electro Scient Ind Inc | Process for optically transparent via filling |
DE102006050327A1 (en) * | 2006-10-25 | 2008-04-30 | Schreiner Group Gmbh & Co. Kg | Electroluminescent film composite for motor vehicle, has friction-wear-resistant and partially transparent protective layer connected with remaining film composite, where protective layer exhibits thickness of less than specific micrometers |
DE102006056272A1 (en) | 2006-11-27 | 2008-05-29 | Bernd Kussmaul Gmbh | Illuminable body and method for its manufacture |
EP2126943B1 (en) | 2007-02-01 | 2012-06-27 | Siemens Aktiengesellschaft | Plate for inscription |
DE102007061326B4 (en) | 2007-12-19 | 2022-02-03 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Functional panel with illuminated symbols |
ATE552144T1 (en) | 2009-09-11 | 2012-04-15 | Weidmann Plastics Tech Ag | METHOD FOR PRODUCING A COMPONENT WITH A FLAT DECORATIVE ELEMENT AND COMPONENT WITH A FLAT DECORATIVE ELEMENT |
KR20120048416A (en) * | 2010-11-05 | 2012-05-15 | 삼성모바일디스플레이주식회사 | Display device |
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-
2001
- 2001-02-22 DE DE20103133U patent/DE20103133U1/en not_active Expired - Lifetime
-
2002
- 2002-02-22 ES ES02744896T patent/ES2337884T3/en not_active Expired - Lifetime
- 2002-02-22 AU AU2002308300A patent/AU2002308300A1/en not_active Abandoned
- 2002-02-22 US US10/468,550 patent/US20040128882A1/en not_active Abandoned
- 2002-02-22 EP EP02744896A patent/EP1371051B1/en not_active Expired - Lifetime
- 2002-02-22 DE DE50214067T patent/DE50214067D1/en not_active Expired - Lifetime
- 2002-02-22 WO PCT/EP2002/001901 patent/WO2002069308A2/en active Application Filing
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DE50214067D1 (en) | 2010-01-21 |
AU2002308300A1 (en) | 2002-09-12 |
WO2002069308A3 (en) | 2003-10-02 |
US20040128882A1 (en) | 2004-07-08 |
DE20103133U1 (en) | 2001-06-13 |
ES2337884T3 (en) | 2010-04-30 |
WO2002069308A2 (en) | 2002-09-06 |
EP1371051A2 (en) | 2003-12-17 |
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