EP1711930A1 - Lcd billboard - Google Patents

Lcd billboard

Info

Publication number
EP1711930A1
EP1711930A1 EP05714920A EP05714920A EP1711930A1 EP 1711930 A1 EP1711930 A1 EP 1711930A1 EP 05714920 A EP05714920 A EP 05714920A EP 05714920 A EP05714920 A EP 05714920A EP 1711930 A1 EP1711930 A1 EP 1711930A1
Authority
EP
European Patent Office
Prior art keywords
lighting device
lcd
billboard
advertising
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.)
Granted
Application number
EP05714920A
Other languages
German (de)
French (fr)
Other versions
EP1711930B1 (en
Inventor
Michael Schöning
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.)
Distec GmbH
Original Assignee
Distec GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Distec GmbH filed Critical Distec GmbH
Publication of EP1711930A1 publication Critical patent/EP1711930A1/en
Application granted granted Critical
Publication of EP1711930B1 publication Critical patent/EP1711930B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/02—Signs, boards, or panels, illuminated by artificial light sources positioned in front of the insignia
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/812—Signs

Definitions

  • the invention relates to a large-area LCD advertising panel for outdoor advertising, the luminosity of the reflective LCD elements of the panel depends on the strength and direction of the lighting and for times insufficient sunlight for the panel is associated with an artificial lighting device with lamps, which may be the Spotlight the panel from the viewer side.
  • the abbreviation LCD means "Liquid-Crystal Display”. The result is that the artificial light should have essentially the same effect on the LCD elements as the sunlight.
  • WO 02/073 57 / A2 specifies lamps for illuminating a conventionally produced advertising image.
  • the lamps either illuminate the advertising image from the viewer side or the advertising image is illuminated from the back, if the respective advertising poster is at least translucent.
  • the effect of the ambient light seems to be that the light is reflected on the LCD elements - often protected behind a glass pane.
  • Sunlight is sufficient as extraneous light during the day.
  • the luminosity of the billboard decreases until it fades when the daylight, for example due to dark clouds, is relatively low at dusk or is completely absent at night.
  • artificial lighting devices with lamps are provided on the LCD billboards for these times of insufficient daylight, which may illuminate the board on the viewer side, for example - like the sun - diagonally from above, and the LCD elements for Bring lights in the respective color.
  • the lighting devices or their lamps are installed so that they do not impair the visual effect of the respective advertising motif.
  • the lamps are therefore placed outside the edge of the billboard in such a way that - within a given angular range in front of the billboard - they do not stand between the viewer and the advertising motif.
  • the lighting devices should be positioned so that they can illuminate the panel from the observer side like the sun. As said, this can result in the lighting devices appearing in the daylight as shadows on the billboard.
  • the invention has for its object to attach the lighting device on the one hand to the billboard in such a way that it enhances or generates the desired luminosity (brightness and colors) of the LCD elements even in poor or no sunlight, as if the sun were shining on the billboard , and other
  • actuating means are provided for physically moving the lighting device out of the beam path of the sunlight falling on the advertising panel.
  • the lighting device is moved away from its beam path falling on the billboard for times of sufficient sunlight.
  • the lighting device should preferably have at least one active lighting position with irradiation of the LCD elements for times of insufficient sunlight and at least one inactive reserve position for times of sufficient solar radiation.
  • the lamps (individual lamps or light strips) of the lighting device should generally be switched off.
  • a single active lighting position is preferably determined, for example by experiments. For reasons of expenditure, among other things, it has proven expedient to also install only a single reserve position in which the lighting device cannot cast a shadow on the billboard at any position of the sun.
  • the positioning of the lighting device that is, its movement between the active lighting position and the inactive reserve position, should be within the scope
  • January 26, 2005 of the invention are preferably controlled by a sensor which registers whether or not the sunlight falling on the billboard is sufficient to generate the desired luminosity.
  • a sensor is preferably attached to the lighting device in such a way that it can detect and evaluate the solar radiation both in the active lighting position and in the reserve position.
  • Sensor controls of this type are known per se, for example in connection with sun protection devices. In principle, switching from the active to the inactive position of the lighting device can also be done manually.
  • various actuating means can be provided for physically moving the lighting device out of the beam path of the sunlight falling on the advertising panel.
  • motorized actuation means for tilting, folding away or pulling away the lighting device or its lamps from the beam path of the sunlight falling on the advertising board are favorable.
  • the lighting device or its lamps can also be moved with the aid of telescopic, cable or spring systems.
  • An aesthetically particularly eye-catching effect can be achieved if the lighting device is moved completely out of the field of view of the viewer during the time of sufficient sunlight, for example by being sunk in the frame or behind the board, so that it is not visible to the viewer at all becomes.
  • FIG. 1 is a view of an LCD billboard from the perspective of a viewer. and FIG. 2 shows a section along the line II-II from FIG. 1.
  • 1 and 2 consists essentially of a frame 2 and an advertising surface or LCD surface 3, which consists of
  • a plurality of (not particularly shown) LCD elements is composed.
  • the drawn LCD surface 3 is protected by a glass pane 4 towards the front (weather and observer side).
  • Housing parts 5, for example with the necessary electrics, can be located on the back of the LCD surface 3.
  • a lighting device designated overall by 7 is shown on the upper spar 6 of the frame 2.
  • the latter comprises a rail 8 which runs parallel to the upper spar 6 and is pivotably installed on the spar 6 by means of legs 9 (standing perpendicular to the spar 6) in hinges with pivot axis 10.
  • a motor 11 can be assigned to at least one of the legs 9, with the aid of which the leg 9 and thus the rail 8 can be moved in the pivoting direction 12.
  • Individual lamps 13, light strips or similar lighting means can be installed on the rail 8.
  • the sun rays 14 can, for example, fall on the LCD surface 3 or the glass pane 4 in the direction of the arrow shown.
  • the light from the lamps 13 should illuminate the LCD surface 3 in approximately the same direction.
  • a shadow 15 is therefore cast on the image of the advertising space.
  • the lighting device 7 be taken out of the beam path of the sunlight to the billboard or LCD surface 3 during the time of sufficient sunlight, that is to say during the time in which the shadow 15 can be seen at all.
  • the lamps 13 are fastened to a common rail 8 (lamp holder).
  • the lamps can also be designed to be individually movable. To move the lamps back and forth, they can also be attached to telescopes. Motors with remote control are preferred for adjusting or pivoting the fastening means of the lamps.
  • the motors can be supported by spring force, for example acting against an elastic restoring force.
  • the transmission of the force between the motor and the respective part of the lighting device can take place directly on the pivot axis 10 (as shown in FIG. 2), but also via gears of any type (with gear wheels and / or cable pull).
  • a light sensor 19 which detects the lighting of the LCD surface 3 can be provided, for example on the rail 8, but also on the board (1), in particular in the LCD surface, and with the motor 11 are coupled.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
  • Steroid Compounds (AREA)

Abstract

The invention relates to a large-surface billboard for outdoors advertising. In order to generate a luminosity of the LCD elements of the billboard, extraneous light is required. In times of insufficient sun light, an artificial lighting device activates the luminosity. The aim of the invention is to prevent the lighting device from casting a shadow onto the billboard during daylight. For this purpose, the lighting device is moved out from its beam path incident on the billboard when there is sufficient solar radiation.

Description

„LCD-Werbetafel""LCD billboard"
Beschreibung:Description:
Die Erfindung betrifft eine großflächige LCD-Werbetafel für die Außenwerbung, wobei die Leuchtkraft der reflektierenden LCD-Elemente der Tafel von der Stärke und Richtung der Beleuchtung abhängt und für Zeiten hierfür nicht ausreichenden Sonnenlichts der Tafel eine künstliche Beleuchtungsvorrichtung mit Lampen zugeordnet ist, welche gegebenenfalls die Tafel von der Beschauerseite her anstrahlen. Die Abkürzung LCD bedeutet „Liquid-Crystal Display". Das künstliche Licht soll auf die LCD-Elemente im Ergebnis im wesentlichen dieselbe Wirkung wie das Sonnenlicht haben.The invention relates to a large-area LCD advertising panel for outdoor advertising, the luminosity of the reflective LCD elements of the panel depends on the strength and direction of the lighting and for times insufficient sunlight for the panel is associated with an artificial lighting device with lamps, which may be the Spotlight the panel from the viewer side. The abbreviation LCD means "Liquid-Crystal Display". The result is that the artificial light should have essentially the same effect on the LCD elements as the sunlight.
In WO 02/073 57/A2 werden Lampen zum Beleuchten eines herkömmlich erzeugten Werbebildes angegeben . Die Lampen beleuchten das Werbebild entweder von der Beschauerseite her oder das Werbebild wird, wenn das jeweilige Werbeplakat zumindest durchscheinend ist, von der Rückseite her beleuchtet.WO 02/073 57 / A2 specifies lamps for illuminating a conventionally produced advertising image. The lamps either illuminate the advertising image from the viewer side or the advertising image is illuminated from the back, if the respective advertising poster is at least translucent.
In der Druckschrift WO 01/88 688 A1 wird eine LCD-Tafel beschrieben, der Beleuchtungselemente zugeordnet sind, welche mit Hilfe einer Steuereinheit dem Sonnenlichteinfall entsprechend geregelt werden. Wenn allerdings die Sonne scheint können sich Schatten der Beleuchtungselemente auf der LCD-Tafel abzeichnen.In the publication WO 01/88 688 A1 an LCD panel is described, to which lighting elements are assigned, which are regulated according to the incidence of sunlight with the help of a control unit. However, when the sun is shining, shadows of the lighting elements can be seen on the LCD panel.
Auf LCD-Werbetafeln, die beispielsweise an Straßen aufgestellt oder an Hauswänden montiert werden und deren Fläche mehrere Meter in Breite und LängeOn LCD billboards that are set up on streets or mounted on house walls, for example, and whose area is several meters wide and long
26. Januar 2005 („großflächig") betragen kann, lassen sich aus der Ferne, zum Beispiel aus der Zentrale einer Werbefirma, Werbemotive in beliebiger Folge darstellen und wieder löschen. Die einzelnden LCD-Elemente erzeugen gemeinsam ein großflächiges Bild, dessen Leuchtkraft, das heißt dessen Helligkeit und Farben für den vorgesehenen Zweck, nämlich die weithin sichtbare Werbung, in ausreichender Weise erst durch auffallendes Fremdlicht erzeugt bzw. verstärkt wird.January 26, 2005 ("Large-area") can be displayed from afar, for example from the head office of an advertising company, in any order and deleted again. The individual LCD elements together produce a large-area image, its luminosity, that is, its brightness and Colors for the intended purpose, namely the widely visible advertising, are only sufficiently produced or enhanced by striking external light.
Die Wirkung des Fremdlichts scheint darin zu bestehen, daß das Licht an den - oft hinter einer Glasscheibe geschützten - LCD-Elementen reflektiert wird. Als Fremdlicht reicht am Tage das Sonnenlicht vollkommen aus. Die Leuchtkraft der Werbetafel läßt jedoch bis zum Verblassen nach, wenn das Tageslicht, zum Beispiel wegen dunkler Wolken, oder in der Dämmerung relativ gering ist bzw. in der Nacht ganz fehlt. Für diese Zeiten nicht mehr ausreichenden Tageslichts werden in der bisherigen Praxis an den LCD-Werbetafeln künstliche Beleuchtungsvorrichtungen mit Lampen vorgesehen, die gegebenenfalls die Tafel auf der Beschauerseite, zum Beispiel - wie die Sonne - schräg von oben her, anstrahlen und die LCD-Elemente zum Leuchten in der jeweiligen Farbe bringen.The effect of the ambient light seems to be that the light is reflected on the LCD elements - often protected behind a glass pane. Sunlight is sufficient as extraneous light during the day. However, the luminosity of the billboard decreases until it fades when the daylight, for example due to dark clouds, is relatively low at dusk or is completely absent at night. In current practice, artificial lighting devices with lamps are provided on the LCD billboards for these times of insufficient daylight, which may illuminate the board on the viewer side, for example - like the sun - diagonally from above, and the LCD elements for Bring lights in the respective color.
Die Beleuchtungsvorrichtungen bzw. deren Lampen werden so installiert, daß sie die Bildwirkung des jeweiligen Werbemotivs nicht beeinträchtigen. Die Lampen werden daher so außerhalb des Randes der Werbetafel angebracht, daß sie - innerhalb eines vorgegebenen Winkelbereichs vor der Werbetafel - nicht zwischen Beschauer und Werbemotiv stehen letzteres also nicht verdecken. Andererseits sollen die Beleuchtungsvorrichtungen aber so positioniert werden, daß sie die Tafel von der Beschauerseite her wie die Sonne anstrahlen können. Wie gesagt kann das zur Folge haben, daß die Beleuchtungsvorrichtungen sich im Tageslicht als Schatten auf der Werbetafel abzeichnen.The lighting devices or their lamps are installed so that they do not impair the visual effect of the respective advertising motif. The lamps are therefore placed outside the edge of the billboard in such a way that - within a given angular range in front of the billboard - they do not stand between the viewer and the advertising motif. On the other hand, the lighting devices should be positioned so that they can illuminate the panel from the observer side like the sun. As said, this can result in the lighting devices appearing in the daylight as shadows on the billboard.
Der Erfindung liegt die Aufgabe zugrunde, die Beleuchtungsvorrichtung einerseits derart an der Werbetafel anzubringen, daß sie die gewünschte Leuchtkraft (Helligkeit und Farben) der LCD-Elemente auch bei schwachem oder fehlendem Sonnenlicht so verstärkt bzw. erzeugt, als ob die Sonne auf die Tafel schiene, und ande-The invention has for its object to attach the lighting device on the one hand to the billboard in such a way that it enhances or generates the desired luminosity (brightness and colors) of the LCD elements even in poor or no sunlight, as if the sun were shining on the billboard , and other
26. Januar 2005 rerseits Vorsorge zu treffen, daß bei ausreichendem Sonnenlicht die Beleuchtungsvorrichtung sich nicht als Schatten auf der Werbetafel abzeichnen kann.January 26, 2005 on the other hand, to take precautions that, in the case of sufficient sunlight, the lighting device cannot become a shadow on the billboard.
Die erfindungsgemäße Lösung wird für die eingangs definierte LCD-Werbetafel im Kennzeichen des Anspruchs 1 angegeben. Einige Verbesserungen und weitere Ausgestaltungen der Erfindung werden in den Unteransprüchen beschrieben.The solution according to the invention is specified for the initially defined LCD billboard in the characterizing part of claim 1. Some improvements and further refinements of the invention are described in the subclaims.
Erfindungsgemäß werden Betätigungsmittel zum körperlichen Bewegen der Beleuchtungsvorrichtung heraus aus dem Strahlengang des auf die Werbetafel fallenden Sonnenlichts vorgesehen. Mit anderen Worten, die Beleuchtungsvorrichtung wird für Zeiten ausreichenden Sonnenlichts aus dessen auf die Werbetafel fallenden Strahlengang weg bewegt. Dadurch wird erreicht, daß die Beleuchtungsvorrichtung einerseits bei nicht ausreichendem Tageslicht ihre Aufgabe, Helligkeit und Farben der LCD-Elemente so zu verstärken, daß das jeweilige Werbemotiv weithin sichtbar ist, optimal erfüllen kann und andererseits bei ausreichendem Sonnenlicht keinen Schatten auf die Werbetafel werfen kann, weil sie sich nicht im Strahlengang zwischen Sonne und Werbetafel befindet.According to the invention, actuating means are provided for physically moving the lighting device out of the beam path of the sunlight falling on the advertising panel. In other words, the lighting device is moved away from its beam path falling on the billboard for times of sufficient sunlight. The result of this is that, on the one hand, the lighting device in the event of insufficient daylight intensifies its task of increasing the brightness and colors of the LCD elements in such a way that the respective advertising motif is visible from afar, can optimally fulfill it and, on the other hand, cannot cast a shadow on the billboard with sufficient sunlight, because it is not in the beam path between the sun and the billboard.
Vorzugsweise soll die Beleuchtungsvorrichtung für Zeiten nicht ausreichenden Sonnenlichts wenigstens eine aktive Beleuchtungsposition mit Bestrahlung der LCD-Elemente und für Zeiten ausreichender Sonnenstrahlung wenigstens eine inaktive Reserveposition besitzen. In der Reserveposition sollen die Lampen (einzelne Lampen oder Lichtbänder) der Beleuchtungsvorrichtung im Allgemeinen abgeschaltet sein. Zum Erzeugen einer optimalen Helligkeit (in Bezug auf den Beschauer) wird bevorzugt eine einzige aktive Beleuchtungsposition, zum Beispiel durch Versuche, bestimmt. Unter anderem aus Gründen des Aufwandes hat es sich als zweckmäßig erwiesen, ebenfalls nur eine einzige Reserveposition zu installieren, in welcher die Beleuchtungseinrichtung bei keinem Sonnenstand einen Schatten auf die Werbetafel werfen kann.The lighting device should preferably have at least one active lighting position with irradiation of the LCD elements for times of insufficient sunlight and at least one inactive reserve position for times of sufficient solar radiation. In the reserve position, the lamps (individual lamps or light strips) of the lighting device should generally be switched off. In order to generate an optimal brightness (in relation to the viewer), a single active lighting position is preferably determined, for example by experiments. For reasons of expenditure, among other things, it has proven expedient to also install only a single reserve position in which the lighting device cannot cast a shadow on the billboard at any position of the sun.
Die Positionierung der Beleuchtungsvorrichtung, das heißt deren Bewegung zwischen aktiver Beleuchtungsposition und inaktiver Reserveposϊtion, soll im RahmenThe positioning of the lighting device, that is, its movement between the active lighting position and the inactive reserve position, should be within the scope
26. Januar 2005 der Erfindung vorzugsweise durch einen Sensor geregelt werden, der registriert, ob das auf die Werbetafel fallende Sonnenlicht zum Erzeugen der gewünschten Leuchtkraft ausreicht oder nicht. Vorzugsweise wird ein solcher Sensor an der Beleuchtungsvorrichtung so angebracht, daß er die Sonneneinstrahlung sowohl in der aktiven Beleuchtungsposition als auch in der Reserveposition erfassen und auswerten kann. Sensorsteuerungen dieser Art sind an sich, zum Beispiel im Zusammenhang mit Sonnenschutz-Einrichtungen, bekannt. Grundsätzlich kann das Umschalten von der aktiven in die inaktive Position der Beleuchtungsvorrichtung aber auch von Hand erfolgen.January 26, 2005 of the invention are preferably controlled by a sensor which registers whether or not the sunlight falling on the billboard is sufficient to generate the desired luminosity. Such a sensor is preferably attached to the lighting device in such a way that it can detect and evaluate the solar radiation both in the active lighting position and in the reserve position. Sensor controls of this type are known per se, for example in connection with sun protection devices. In principle, switching from the active to the inactive position of the lighting device can also be done manually.
Im Rahmen der Erfindung können diverse Betätigungsmittel zum körperlichen Bewegen der Beleuchtungsvorrichtung heraus aus dem Strahlengang des auf die Werbetafel fallenden Sonnenlichts vorgesehen werden. Günstig in diesem Sinne sind motorische Betätigungsmittel zum Wegkippen, Wegklappen oder Wegziehen der Beleuchtungsvorrichtung bzw. deren Lampen aus dem genannten Strahlengang des auf die Werbetafel fallenden Sonnenlichts. Die Beleuchtungsvorrichtung bzw. deren Lampen können auch mit Hilfe von Teleskop-, Seilzug- oder Federsystemen bewegt werden. Ein ästhetisch besonders vorteilhaft ins Auge springender Effekt läßt sich erzielen, wenn die Beleuchtungsvorrichtung während der Zeit ausreichenden Sonnenlichts ganz aus dem Gesichtsfeld des Beschauers herausbewegt wird, also zum Beispiel durch Versenken im Rahmen der Tafel oder hinter der Tafel, für den Beschauer überhaupt nicht sichtbar gemacht wird.Within the scope of the invention, various actuating means can be provided for physically moving the lighting device out of the beam path of the sunlight falling on the advertising panel. In this sense, motorized actuation means for tilting, folding away or pulling away the lighting device or its lamps from the beam path of the sunlight falling on the advertising board are favorable. The lighting device or its lamps can also be moved with the aid of telescopic, cable or spring systems. An aesthetically particularly eye-catching effect can be achieved if the lighting device is moved completely out of the field of view of the viewer during the time of sufficient sunlight, for example by being sunk in the frame or behind the board, so that it is not visible to the viewer at all becomes.
Anhand der schematischen Darstellung eines Ausführungsbeispiels werden einige Einzelheiten der Erfindung beschrieben. Es zeigenSome details of the invention are described on the basis of the schematic representation of an exemplary embodiment. Show it
Fig. 1 eine Ansicht einer LCD-Werbetafel aus dem Blickwinkel eines Beschauers; und Fig. 2 einen Schnitt längs der Linie ll-ll von Fig. 1.Figure 1 is a view of an LCD billboard from the perspective of a viewer. and FIG. 2 shows a section along the line II-II from FIG. 1.
Die insgesamt mit 1 bezeichnete Werbetafel nach Fig. 1 und 2 besteht im Wesentlichen aus einem Rahmen 2 und einer Werbefläche bzw. LCD-Fläche 3, die aus1 and 2 consists essentially of a frame 2 and an advertising surface or LCD surface 3, which consists of
26. Januar 2005 einer Vielzahl von (nicht besonders dargestellten) LCD-Elementen zusammengesetzt ist. Die gezeichnete LCD-Fläche 3 wird durch eine Glasscheibe 4 zur Vorderseite (Wetter- und Beschauerseite) hin geschützt. Auf der Rückseite der LCD- Fläche 3 können sich Gehäuseteile 5, zum Beispiel mit der erforderlichen Elektrik, befinden.January 26, 2005 a plurality of (not particularly shown) LCD elements is composed. The drawn LCD surface 3 is protected by a glass pane 4 towards the front (weather and observer side). Housing parts 5, for example with the necessary electrics, can be located on the back of the LCD surface 3.
Im gezeichneten Ausführungsbeispiel wird auf dem oberen Holm 6 des Rahmens 2 eine insgesamt mit 7 bezeichnete Beleuchtungsvorrichtung dargestellt. Letztere umfaßt eine Schiene 8, die parallel zum oberen Holm 6 verläuft und mit Hilfe von (senkrecht zum Holm 6 stehenden) Schenkeln 9 schwenkbar in Scharnieren mit Schwenkachse 10 auf dem Holm 6 installiert ist. Wenigstens einem der Schenkel 9 kann ein Motor 11 zugeordnet werden, mit dessen Hilfe der Schenkel 9 und damit die Schiene 8 in Schwenkrichtung 12 zu bewegen ist. An der Schiene 8 können einzelne Lampen 13, Lichtbänder oder dergleichen Beleuchtungsmittel installiert werden.In the exemplary embodiment shown, a lighting device designated overall by 7 is shown on the upper spar 6 of the frame 2. The latter comprises a rail 8 which runs parallel to the upper spar 6 and is pivotably installed on the spar 6 by means of legs 9 (standing perpendicular to the spar 6) in hinges with pivot axis 10. A motor 11 can be assigned to at least one of the legs 9, with the aid of which the leg 9 and thus the rail 8 can be moved in the pivoting direction 12. Individual lamps 13, light strips or similar lighting means can be installed on the rail 8.
Am Tage, wenn die Sonne scheint, können die Sonnenstrahlen 14 beispielsweise in der dargestellten Pfeilrichtung auf die LCD-Fläche 3 bzw. die Glasscheibe 4 fallen. In annähernd derselben Richtung soll das Licht aus den Lampen 13 die LCD- Fläche 3 beleuchten. Wenn die Schiene 8 mit den Lampen 13 in die entsprechende Position geschwenkt ist und die Sonne scheint, wird also ein Schatten 15 auf das Bild der Werbefläche geworfen. Zum Vermeiden eines solchen Schattens wird daher vorgesehen, die Beleuchtungsvorrichtung 7 während der Zeit ausreichenden Sonnenlichts, also während der Zeit, in der sich der Schatten 15 überhaupt abzeichnen kann, aus dem Strahlengang des Sonnenlichts zur Werbetafel bzw. LCD- Fläche 3 herauszunehmen. Zu diesem Zweck wird im Ausführungsbeispiel vorgesehen, die Schiene 8 mit den Lampen 13 aus der aktiven Position 16 gemäß Fig. 2 in die inaktive Schwenkposition 17 (Fig. 2) in Schwenkrichtung 12 zu bewegen. In der gezeichneten inaktiven Schwenkposition 17 ist die Schiene 8 mit ihren Lampen 13 für den Beschauer aber immer noch zu sehen. Aus ästhetischen Gründen wird es daher als vorteilhaft angesehen, die Schiene 8 mit den Lampen 13 weiter zurück (in Richtung Oberseite bzw. Rückseite des Rahmens 2) zu bewegen, zumDuring the day when the sun is shining, the sun rays 14 can, for example, fall on the LCD surface 3 or the glass pane 4 in the direction of the arrow shown. The light from the lamps 13 should illuminate the LCD surface 3 in approximately the same direction. When the rail 8 with the lamps 13 is pivoted into the corresponding position and the sun is shining, a shadow 15 is therefore cast on the image of the advertising space. To avoid such a shadow, it is therefore provided that the lighting device 7 be taken out of the beam path of the sunlight to the billboard or LCD surface 3 during the time of sufficient sunlight, that is to say during the time in which the shadow 15 can be seen at all. For this purpose it is provided in the exemplary embodiment to move the rail 8 with the lamps 13 from the active position 16 according to FIG. 2 into the inactive pivot position 17 (FIG. 2) in the pivot direction 12. However, in the drawn inactive pivot position 17, the rail 8 with its lamps 13 can still be seen for the viewer. For aesthetic reasons, it is therefore considered advantageous to move the rail 8 with the lamps 13 further back (in the direction of the top or rear of the frame 2) in order to
26. Januar 2005 Beispiel zu schwenken, so daß die Schiene 8 und deren Lampen 13 in der dargestellten Versenkposition 18 für den Beschauer nicht mehr zu sehen sind.January 26, 2005 Example to pivot, so that the rail 8 and their lamps 13 are no longer visible to the viewer in the illustrated retracted position 18.
Im Ausführungsbeispiel wird vorgesehen, die Lampen 13 an einer gemeinsamen Schiene 8 (Lampenträger) zu befestigen. Alternativ können die Lampen auch einzeln beweglich ausgestaltet werden. Zum Hin- und Herbewegen können die Lampen bzw. deren Träger auch an Teleskopen befestigt werden. Zum Verstellen oder Verschwenken der Befestigungsmittel der Lampen werden bevorzugt Motoren mit Fernsteuerung bevorzugt. Die Motoren können durch Federkraft unterstützt werden, zum Beispiel gegen eine elastische Rückstellkraft wirken. Die Übertragung der Kraft zwischen Motor und dem jeweiligen Teil der Beleuchtungsvorrichtung kann unmittelbar auf die Schwenkachse 10 (wie in Fig. 2 dargestellt) aber auch über Getriebe beliebiger Art (mit Zahnrädern und/oder Seilzug) erfolgen. Zum Steuern der Beleuchtungsvorrichtung 7 in Abhängigkeit vom Sonnenstand kann ein die Beleuchtung der LCD-Fläche 3 erfassender Lichtsensor 19, zum Beispiel an der Schiene 8, aber auch an der Tafel (1), insbesondere in der LCD-Fläche, vorgesehen und mit dem Motor 11 gekoppelt werden.In the exemplary embodiment it is provided that the lamps 13 are fastened to a common rail 8 (lamp holder). Alternatively, the lamps can also be designed to be individually movable. To move the lamps back and forth, they can also be attached to telescopes. Motors with remote control are preferred for adjusting or pivoting the fastening means of the lamps. The motors can be supported by spring force, for example acting against an elastic restoring force. The transmission of the force between the motor and the respective part of the lighting device can take place directly on the pivot axis 10 (as shown in FIG. 2), but also via gears of any type (with gear wheels and / or cable pull). To control the lighting device 7 as a function of the position of the sun, a light sensor 19 which detects the lighting of the LCD surface 3 can be provided, for example on the rail 8, but also on the board (1), in particular in the LCD surface, and with the motor 11 are coupled.
26. Januar 2005 Bezugszeichenliste:January 26, 2005 LIST OF REFERENCE NUMBERS
1 = Werbetafel1 = billboard
2 - Rahmen2 - frame
3 SS LCD-Fläche3 SS LCD surface
4 s: Glasscheibe4 s: glass pane
5 = Gehäuseteil5 = housing part
6 = oberer Holm (2)6 = upper spar (2)
7 = Beleuchtungsvorrichtung7 = lighting device
8 = Schiene8 = rail
9 = Schenkel9 = leg
10 = Schwenkachse10 = swivel axis
11 = Motor11 = motor
12 = Schwenkrichtung12 = swivel direction
13 = Lampe13 = lamp
14 = Sonnenstrahl14 = sunbeam
15 = Schatten15 = shadow
16 = aktive Schwenkposition16 = active swivel position
17 — inaktive Schwenkposition17 - inactive swivel position
18 = Versenkposition18 = retracted position
19 - Lichtsensor19 - light sensor
26. Januar 2005 January 26, 2005

Claims

Patentansprüche:claims:
1. Großflächige LCD-Werbetafel (1) für die Außenwerbung, wobei die Leuchtkraft der reflektierenden LCD-Elemente der Tafel von der Stärke und Richtung der Beleuchtung abhängt und für Zeiten nicht ausreichenden Sonnenlichts der Tafel eine künstliche Beleuchtungsvorrichtung (7) mit Lampen (13) zugeordnet ist, welche die Tafel von der Beschauerseite her anstrahlen, dadurch geke nnzeichnet, daß Betätigungsmittel (9, 11) zum körperlichen Bewegen der Beleuchtungsvorrichtung (7) heraus aus dem Strahlengang (14) des auf die Werbetafel (1) fallenden Sonnenlichts vorgesehen sind.1. Large-area LCD advertising board (1) for outdoor advertising, the luminosity of the reflective LCD elements of the board depending on the strength and direction of the lighting and for times of insufficient sunlight on the board an artificial lighting device (7) with lamps (13) is assigned, which illuminate the panel from the observer side, characterized in that actuating means (9, 11) are provided for physically moving the lighting device (7) out of the beam path (14) of the sunlight falling on the advertising panel (1).
2. LCD-Werbetafel nach Anspruch 1 , dadurch gekennzeichnet, daß zum Aktivieren der Betätigungsmittel (9, 11) eine Regelung mit einem Lichtsensor (19) vorgesehen ist.2. LCD advertising panel according to claim 1, characterized in that a control with a light sensor (19) is provided for activating the actuating means (9, 11).
3. LCD-Werbetafel nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß motorische Betätigungsmittel zum Wegkippen, Wegklappen oder Wegziehen der Beleuchtungsvorrichtung (7) vorgesehen sind.3. LCD advertising panel according to claim 1 or 2, characterized in that motorized actuating means for tilting away, folding away or pulling away the lighting device (7) are provided.
4. LCD-Werbetafel nach mindestens einem der Ansprüche 1 bis 3, dadu rch gekennzeichnet, daß die Beleuchtungsvorrichtung (7) nur zwei Stellungen in Bezug auf die Werbetafel (1) besitzt, nämlich eine einzige aktive Beleuchtungsposition (16) und eine einzige inaktive Position, das heißt Reserveposition (17) oder eine Versenkposition (18).4. LCD billboard according to at least one of claims 1 to 3, characterized in that the lighting device (7) has only two positions with respect to the billboard (1), namely a single active lighting position (16) and a single inactive position , that is, reserve position (17) or a lowering position (18).
26. Januar 2005 January 26, 2005
EP05714920A 2004-02-05 2005-02-02 Lcd billboard Not-in-force EP1711930B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004005876A DE102004005876A1 (en) 2004-02-05 2004-02-05 LCD billboard
PCT/DE2005/000165 WO2005076245A1 (en) 2004-02-05 2005-02-02 Lcd billboard

Publications (2)

Publication Number Publication Date
EP1711930A1 true EP1711930A1 (en) 2006-10-18
EP1711930B1 EP1711930B1 (en) 2007-07-11

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ID=34801669

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EP05714920A Not-in-force EP1711930B1 (en) 2004-02-05 2005-02-02 Lcd billboard

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US (1) US7384171B2 (en)
EP (1) EP1711930B1 (en)
JP (1) JP2007520750A (en)
CN (1) CN100447833C (en)
AT (1) ATE366975T1 (en)
AU (1) AU2005210537B2 (en)
CA (1) CA2555156A1 (en)
DE (2) DE102004005876A1 (en)
ES (1) ES2290892T3 (en)
HK (1) HK1100830A1 (en)
RU (1) RU2356104C2 (en)
WO (1) WO2005076245A1 (en)
ZA (1) ZA200606241B (en)

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Also Published As

Publication number Publication date
US7384171B2 (en) 2008-06-10
DE102004005876A1 (en) 2005-08-25
HK1100830A1 (en) 2007-09-28
ATE366975T1 (en) 2007-08-15
CN1918614A (en) 2007-02-21
EP1711930B1 (en) 2007-07-11
US20070165407A1 (en) 2007-07-19
DE502005001016D1 (en) 2007-08-23
AU2005210537A1 (en) 2005-08-18
WO2005076245A1 (en) 2005-08-18
ES2290892T3 (en) 2008-02-16
CN100447833C (en) 2008-12-31
AU2005210537B2 (en) 2008-12-11
RU2356104C2 (en) 2009-05-20
JP2007520750A (en) 2007-07-26
RU2006131689A (en) 2008-03-10
ZA200606241B (en) 2008-01-30
CA2555156A1 (en) 2005-08-18

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