EP1711930B1 - Lcd billboard - Google Patents

Lcd billboard Download PDF

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Publication number
EP1711930B1
EP1711930B1 EP05714920A EP05714920A EP1711930B1 EP 1711930 B1 EP1711930 B1 EP 1711930B1 EP 05714920 A EP05714920 A EP 05714920A EP 05714920 A EP05714920 A EP 05714920A EP 1711930 B1 EP1711930 B1 EP 1711930B1
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EP
European Patent Office
Prior art keywords
billboard
lighting device
lcd
lamps
advertising
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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.)
Not-in-force
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EP05714920A
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German (de)
French (fr)
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EP1711930A1 (en
Inventor
Michael Schöning
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Distec GmbH
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Distec GmbH
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Publication of EP1711930A1 publication Critical patent/EP1711930A1/en
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    • 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-scale LCD billboard for outdoor advertising, the luminosity of the reflective LCD panels of the panel depends on the strength and direction of the lighting and for times not sufficient sunlight the panel is associated with an artificial lighting device with lamps, which optionally Spotlight panel from the observer side.
  • the abbreviation LCD means "Liquid Crystal Display”.
  • the artificial light is supposed to have substantially the same effect on the LCD elements as the sunlight.
  • WO 02/073 57 / A2 lamps are indicated for illuminating a conventionally generated advertising image.
  • the lamps illuminate the advertising image either from the viewer side or the advertising image is, if the respective billboard is at least translucent, illuminated from the back.
  • On LCD billboards for example, placed on roads or mounted on house walls and their surface several meters in width and length ("large area”) can be displayed remotely, for example, from the headquarters of an advertising company, advertising motifs in any order and delete again.
  • the einzelden LCD elements together create a large-scale image whose luminosity, that is, the brightness and colors for the intended purpose, namely the advertising visible from afar, is generated or enhanced in sufficient manner only by striking extraneous light.
  • the lighting devices or their lamps are installed so that they do not affect the image effect of the respective advertising motif.
  • the lamps are therefore mounted outside the edge of the billboard so that they do not hide between the viewer and the advertising motif within a predetermined angular range in front of the billboard.
  • the lighting devices should be positioned so that they can illuminate the panel from the viewpoint side like the sun. As mentioned, this may result in the lighting fixtures emerging in daylight as shadows on the billboard.
  • the invention has for its object to provide the lighting device on the one hand on the billboard that it amplifies the desired luminosity (brightness and colors) of the LCD elements even in weak or lack of sunlight as if the sun is shining on the board , and on the other hand Provide that in sufficient sunlight, the lighting device can not stand out as a shadow on the billboard.
  • actuating means for physically moving the lighting device are provided out of the beam path of the sunlight falling on the billboard.
  • the lighting device is moved away from its falling on the billboard beam path for times of sufficient sunlight.
  • the lighting device should 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 bands) of the lighting device should generally be switched off.
  • a single active illumination position is determined, for example by experimentation.
  • the invention can be controlled by a sensor which registers whether the sunlight falling on the billboard is sufficient or not to generate the desired luminosity.
  • a sensor which registers whether the sunlight falling on the billboard is sufficient or not to generate the desired luminosity.
  • a sensor is attached to the lighting device so 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, the switching from the active to the inactive position of the lighting device can also be done manually.
  • various actuating means for physically moving the lighting device out of the beam path of the falling on the billboard sunlight can be provided.
  • motorized actuating means for tilting away, folding away or pulling away the lighting device or its lamps from said beam path of falling on the billboard sunlight.
  • the lighting device or its lamps can also be moved by means of telescopic, cable or spring systems.
  • An aesthetically particularly advantageous eye-catching effect can be achieved if the lighting device during the time of sufficient sunlight is completely moved out of the field of view of the beholder, so for example by sinking in the frame or behind the panel, not made visible to the viewer becomes.
  • the advertising board generally designated 1 consists essentially of a frame 2 and an advertising surface or LCD surface 3, which consist of a plurality of (not particularly shown) LCD elements is composed.
  • the drawn LCD surface 3 is protected by a glass pane 4 to the front (weather and Beschauerseite) out.
  • housing parts 5, for example, with the required electrical system can be located.
  • a total of 7 designated lighting device 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 with the aid of (perpendicular to the spar 6 standing) legs 9 is pivotally mounted in hinges with pivot axis 10 on the spar 6.
  • At least one of the legs 9, a motor 11 can be assigned, with the help of the leg 9 and thus the rail 8 is to be moved in the pivoting direction 12.
  • Individual lamps 13, light bands or the like lighting means can be installed on the rail 8.
  • the sun's rays 14 may fall on the LCD surface 3 or the glass pane 4, for example in the direction of the arrow shown. In approximately the same direction, the light from the lamps 13 should illuminate the LCD surface 3. If the rail 8 is pivoted with the lamps 13 in the corresponding position and the sun is shining, so a shadow 15 is thrown on the image of the advertising space. To avoid such a shadow is therefore provided, the lighting device 7 during the time of sufficient sunlight, so during the time in which the shadow 15 can even emerge from the beam path of the sunlight to billboard or LCD surface 3 to take out. 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.
  • the lamps 13 can also be designed individually movable.
  • the lamps or their support can also be attached to telescopes.
  • motors with remote control are preferred.
  • 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 be done directly on the pivot axis 10 (as shown in Fig. 2) but also on any type of transmission (with gears and / or cable).
  • a light sensor 19 detecting the illumination of the LCD surface 3 may be provided, for example on the rail 8, but also on the panel (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

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-scale LCD billboard for outdoor advertising, the luminosity of the reflective LCD panels of the panel depends on the strength and direction of the lighting and for times not sufficient sunlight the panel is associated with an artificial lighting device with lamps, which optionally Spotlight panel from the observer side. The abbreviation LCD means "Liquid Crystal Display". The artificial light is supposed to have substantially 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.In WO 02/073 57 / A2 lamps are indicated for illuminating a conventionally generated advertising image. The lamps illuminate the advertising image either from the viewer side or the advertising image is, if the respective billboard is at least translucent, illuminated from the back.

In der Druckschrift WO 01/88 688 A1 , das als nächstliegender Stand der Technik gegenüber dem Gegenstand des Anspruchs 1 angesehen ist, 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 01/88688 A1 , which is considered as the closest prior art to the subject-matter of claim 1, an LCD panel is described, associated with lighting elements, which are controlled by a control unit according to the sunlight. However, when the sun is shining, shadows of the lighting elements on the LCD panel may appear.

Auf LCD-Werbetafeln, die beispielsweise an Straßen aufgestellt oder an Hauswänden montiert werden und deren Fläche mehrere Meter in Breite und Länge ("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.On LCD billboards, for example, placed on roads or mounted on house walls and their surface several meters in width and length ("large area") can be displayed remotely, for example, from the headquarters of an advertising company, advertising motifs in any order and delete again. The einzelden LCD elements together create a large-scale image whose luminosity, that is, the brightness and colors for the intended purpose, namely the advertising visible from afar, is generated or enhanced in sufficient manner only by striking extraneous 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 extraneous light seems to be that the light is reflected on the - often protected behind a glass - LCD elements. As ambient light, the sunlight is completely sufficient during the day. The luminosity of the billboard, however, diminishes until fading, if the daylight, for example because of dark clouds, or at dusk is relatively low or at night completely missing. For these times no longer sufficient daylight artificial lighting devices are provided with lamps in the previous practice on the LCD billboards, if necessary, the panel on the Beschauerseite, for example - like the sun - obliquely from above, and illuminate 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 affect the image effect of the respective advertising motif. The lamps are therefore mounted outside the edge of the billboard so that they do not hide between the viewer and the advertising motif within a predetermined angular range in front of the billboard. On the other hand, however, the lighting devices should be positioned so that they can illuminate the panel from the viewpoint side like the sun. As mentioned, this may result in the lighting fixtures emerging in 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 andererseits Vorsorge zu treffen, daß bei ausreichendem Sonnenlicht die Beleuchtungsvorrichtung sich nicht als Schatten auf der Werbetafel abzeichnen kann.The invention has for its object to provide the lighting device on the one hand on the billboard that it amplifies the desired luminosity (brightness and colors) of the LCD elements even in weak or lack of sunlight as if the sun is shining on the board , and on the other hand Provide that in sufficient sunlight, the lighting device can not stand out as 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 given for the initially defined LCD billboard in the characterizing part of claim 1. Some improvements and further developments 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 for physically moving the lighting device are provided out of the beam path of the sunlight falling on the billboard. In other words, the lighting device is moved away from its falling on the billboard beam path for times of sufficient sunlight. This ensures that the lighting device on the one hand in insufficient daylight their task to reinforce brightness and colors of the LCD elements so that the respective advertising motif is widely visible, can optimally meet and on the other hand can throw in sufficient sunlight no shadow on the billboard, 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.Preferably, the lighting device should 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 bands) of the lighting device should generally be switched off. To produce optimal brightness (with respect to the viewer), preferably a single active illumination position is determined, for example by experimentation. Among other things, for reasons of effort, it has proved expedient to also install only a single reserve position in which the lighting device can cast a shadow on the billboard at any position in the sun.

Die Positionierung der Beleuchtungsvorrichtung, das heißt deren Bewegung zwischen aktiver Beleuchtungsposition und inaktiver Reserveposition, soll im Rahmen 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.The positioning of the illumination device, that is to say its movement between the active illumination position and the inactive reserve position, should be in the frame Preferably, the invention can be controlled by a sensor which registers whether the sunlight falling on the billboard is sufficient or not to generate the desired luminosity. Preferably, such a sensor is attached to the lighting device so 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, the 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.In the context of the invention, various actuating means for physically moving the lighting device out of the beam path of the falling on the billboard sunlight can be provided. Favorable in this sense are motorized actuating means for tilting away, folding away or pulling away the lighting device or its lamps from said beam path of falling on the billboard sunlight. The lighting device or its lamps can also be moved by means of telescopic, cable or spring systems. An aesthetically particularly advantageous eye-catching effect can be achieved if the lighting device during the time of sufficient sunlight is completely moved out of the field of view of the beholder, so for example by sinking in the frame or behind the panel, not made visible to the viewer becomes.

Anhand der schematischen Darstellung eines Ausführungsbeispiels werden einige Einzelheiten der Erfindung beschrieben. Es zeigen

Fig. 1
eine Ansicht einer LCD-Werbetafel aus dem Blickwinkel eines Beschauers; und
Fig. 2
einen Schnitt längs der Linie II-II von Fig. 1.
With reference to the schematic representation of an embodiment, some details of the invention will be described. Show it
Fig. 1
a view of an LCD billboard from the perspective of a spectator; and
Fig. 2
a section along the line II-II of Fig. 1st

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 aus 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.The advertising board generally designated 1 according to FIGS. 1 and 2 consists essentially of a frame 2 and an advertising surface or LCD surface 3, which consist of a plurality of (not particularly shown) LCD elements is composed. The drawn LCD surface 3 is protected by a glass pane 4 to the front (weather and Beschauerseite) out. On the back of the LCD surface 3, housing parts 5, for example, with the required electrical system can be located.

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 illustrated embodiment, a total of 7 designated lighting device 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 with the aid of (perpendicular to the spar 6 standing) legs 9 is pivotally mounted in hinges with pivot axis 10 on the spar 6. At least one of the legs 9, a motor 11 can be assigned, with the help of the leg 9 and thus the rail 8 is to be moved in the pivoting direction 12. Individual lamps 13, light bands or the like 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, zum 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.On the day when the sun is shining, the sun's rays 14 may fall on the LCD surface 3 or the glass pane 4, for example in the direction of the arrow shown. In approximately the same direction, the light from the lamps 13 should illuminate the LCD surface 3. If the rail 8 is pivoted with the lamps 13 in the corresponding position and the sun is shining, so a shadow 15 is thrown on the image of the advertising space. To avoid such a shadow is therefore provided, the lighting device 7 during the time of sufficient sunlight, so during the time in which the shadow 15 can even emerge from the beam path of the sunlight to billboard or LCD surface 3 to take out. 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 pivoting direction 12. In the drawn inactive pivot position 17, the rail 8 with its lamps 13 for the spectator but still to see. For aesthetic reasons, it is therefore considered advantageous to move the rail 8 with the lamps 13 further back (towards the top or back of the frame 2), for Example to swing, so that the rail 8 and its lamps 13 are no longer visible in the illustrated sinking position 18 for the viewer.

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 to fasten the lamps 13 to a common rail 8 (bulb holder). Alternatively, the lamps can also be designed individually movable. To move back and forth, the lamps or their support can also be attached to telescopes. For adjusting or pivoting of the fastening means of the lamps preferably motors with remote control are preferred. 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 be done directly on the pivot axis 10 (as shown in Fig. 2) but also on any type of transmission (with gears and / or cable). For controlling the lighting device 7 as a function of the position of the sun, a light sensor 19 detecting the illumination of the LCD surface 3 may be provided, for example on the rail 8, but also on the panel (1), in particular in the LCD surface, and with the motor 11 are coupled.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

1 =1 =
Werbetafelbillboard
2 =2 =
Rahmenframe
3 =3 =
LCD-FlächeLCD area
4 =4 =
Glasscheibepane
5 =5 =
Gehäuseteilhousing part
6 =6 =
oberer Holm (2)Upper spar (2)
7 =7 =
Beleuchtungsvorrichtunglighting device
8 =8 =
Schienerail
9 =9 =
Schenkelleg
10 =10 =
Schwenkachseswivel axis
11 =11 =
Motorengine
12 =12 =
Schwenkrichtungpan direction
13 =13 =
Lampelamp
14 =14 =
Sonnenstrahlsunbeam
15 =15 =
Schattenshadow
16 =16 =
aktive Schwenkpositionactive swivel position
17 =17 =
inaktive Schwenkpositioninactive pivot position
18 =18 =
Versenkpositionretracted
19 =19 =
Lichtsensorlight sensor

Claims (4)

  1. Large surface LCD advertising billboard (1) for advertising outdoors, wherein the luminosity of the reflecting LCD elements of the board is dependent on the intensity and direction of the lighting and for periods of insufficient sunlight an artificial lighting device (7) with lamps (13) is allocated to the board, which lamps illuminate the board from the viewer side, characterised in that activating means (9, 11) are provided for physically moving the lighting device (7) out of the beam path (14) of the sunlight falling on the billboard (1).
  2. LCD advertising billboard according to claim 1, characterised in that for activating the activating means (9, 11) a control with a light sensor (19) is provided.
  3. LCD advertising billboard according to claim 1 or 2, characterised in that motor activating means are provided for tilting away, folding away or moving away the lighting device (7).
  4. LCD advertising billboard according to at least one of claims 1 to 3, characterised in that the lighting device (7) only has two positions in relation to the advertising billboard (1), namely a single active lighting position (16) and a single inactive position, that is a reserve position (17) or a recessed position (18).
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 EP1711930A1 (en) 2006-10-18
EP1711930B1 true EP1711930B1 (en) 2007-07-11

Family

ID=34801669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05714920A Not-in-force EP1711930B1 (en) 2004-02-05 2005-02-02 Lcd billboard

Country Status (13)

Country Link
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
US20070165407A1 (en) 2007-07-19
EP1711930A1 (en) 2006-10-18
WO2005076245A1 (en) 2005-08-18
RU2006131689A (en) 2008-03-10
DE502005001016D1 (en) 2007-08-23
CA2555156A1 (en) 2005-08-18
JP2007520750A (en) 2007-07-26
US7384171B2 (en) 2008-06-10
DE102004005876A1 (en) 2005-08-25
AU2005210537B2 (en) 2008-12-11
AU2005210537A1 (en) 2005-08-18
CN1918614A (en) 2007-02-21
RU2356104C2 (en) 2009-05-20
ATE366975T1 (en) 2007-08-15
HK1100830A1 (en) 2007-09-28
CN100447833C (en) 2008-12-31
ES2290892T3 (en) 2008-02-16
ZA200606241B (en) 2008-01-30

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