EP1341142A2 - LED illuminant - Google Patents
LED illuminant Download PDFInfo
- Publication number
- EP1341142A2 EP1341142A2 EP03003325A EP03003325A EP1341142A2 EP 1341142 A2 EP1341142 A2 EP 1341142A2 EP 03003325 A EP03003325 A EP 03003325A EP 03003325 A EP03003325 A EP 03003325A EP 1341142 A2 EP1341142 A2 EP 1341142A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- led lighting
- lighting according
- circuit board
- led
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
Definitions
- the invention relates to LED lighting according to the Preamble of the main claim, in particular LED lighting with a number of light-emitting diodes Boards and at least one, the boards to each other and cable connecting to the voltage source.
- a lighting system especially for illuminating Signs, labels and letters with an inner Illumination is already from DE A1 100 52 380 known, which describes a low-voltage lighting system, with the individual boards with fasteners to the desired locations within the letters to be brought.
- the disadvantage of this system is the limited Number of diodes that are connected in series can, with a series resistor for each series connection or an electronic circuit for keeping constant of the current must be provided.
- the invention has set itself the task of a easy to install, universally applicable, rainproof, luminous system to create that simple and can be quickly installed anywhere.
- one essentially transparent sheathing advantageously several LEDs on individual boards this transparent and essentially waterproof.
- e.g. 150 LEDs combined in one tube become. Possibly moisture penetrating at the ends can already by self-heating of the LEDs be evaporated again and leak. As insulation is e.g. a shrink tube is absolutely sufficient.
- the Construction depth of bodies to be illuminated e.g. letters a neon sign because of the lower heat emission and reduce the size of the lighting according to the invention; finer details can be illuminated and by laying several loops of the hose closer together the light intensity can be increased easily and cheaply.
- the lighting is easy to install and the previous one approval law to be observed for neon crystallization Requirements for over 1000 volt systems are completely eliminated.
- the lifespan is increased significantly, to 15-80,000 Hours, but then not with complete failure but a slow decrease in brightness is to be expected.
- hose as a coating use whose inside diameter is larger than that Circuit board is advantageously a shrink tube, which, by heating, clings to the circuit board and with it loses its originally round shape and thus one flat mounting surface on the back of the boards, opposite the LED offers.
- the individual boards are marked by a Cable connected to an inner strand or wire owns that to the conductor tracks on the boards connected.
- the sheathing of the line but can also be made in one piece with the substantially transparent Coating of the light-emitting diodes are manufactured, so that there is no need for a shrink tube that otherwise over the possibly provided sheathing of the line and especially the circuit boards overcoated becomes.
- Repair is possible by replacing individual diodes, also the subsequent covering of heat shrink tubing about the repair center.
- LED lighting arises in the area of the boards, so that these, for example Can be attached using double-sided adhesive tape are, the LED light substantially vertical to the mounting surface lights up.
- a certain lighting effect is at an angle to the side when illuminating letters entirely desirable thanks to internal LED lighting.
- This scattering effect can be caused by stored Scattering particles reinforced in the transparent coating or by colored particles or coloring in their color can be changed.
- fluorescent components in the casing have proven to be advantageous because this the punctiform light character of the light emitting diodes decrease and create a larger luminous area. At the same time, the color can be significant in this way to be influenced.
- the diodes are not low voltage operate in the range from 10 V to a maximum of 50 V, but with a mains voltage of 220 V or even that maximum possible "low voltage" of 990 V.
- Rectification creates a DC voltage of approx. 300 V or 990 V, so that up to 470 (red / yellow 2.1 V) or 275 blue / green / white diodes (3.6 V) in a diode tube can be accommodated.
- the ballast should suit the case the rectified high voltage 990 V and a constant Diode current of, for example, 50 mA a power of 50 W. In the preferred embodiment for 220 V results in a correspondingly lower output.
- a Z-diode is connected in parallel to each LED.
- the ballast can be operated manually using a potentiometer or a control can be dimmed to "zero".
- the tube between two diodes can be used for lighting be separated.
- a connecting cable which is connected via a terminal is a simple one Connection to both hose ends of the further LED lighting hose.
- the preferred embodiment shown in FIG. 1 with a shrink tube drawn over the board consists of LED boards spaced approximately 4 cm apart, which are provided essentially at right angles, but with omitted outer corners, in a tube, for example in a letter 'a' is arranged.
- the LEDs which emit essentially upwards in a narrow cone of light, are fastened on circuit boards which are surrounded by the transparent sheathing in the form of a sprayed-on cable sheathing or in the form of a shrink tube or otherwise transparently sheathed.
- the conductor tracks 14 branch thereby from the conductor tracks to the LED diode to one Z-diode, which is connected in parallel with the LED diode.
- the Zener diode is on one side of the LED diode on the Circuit board arranged on the side next to the LED diode. On the opposite side, however, is the board large in size to none, the straight arrangement at the Fixing disturbing, one-sided symmetry of the boards to get in the hose.
- the boards are with a length of approx. 10 mm and a width of 5 mm compared to the z. B. 2 mm diameter cable with sheathing significantly wider be so that the heat shrink tubing, which when heated tightly creates these as thickenings in the diode tube left clearly recognizable. If necessary an additional one before heating the shrink tube Jacket can be sprayed onto the diode or injected into the - possibly not yet shrunk - hose become.
- the distances of the board to each other on the one Connecting voltage source cables so chosen that with a radiation angle between 90 and 150 ° (preferably 115 to 125 °) in 6 cm depths Illuminants a uniform illumination a windshield is possible.
- width of a lighting fixture is larger than 4 cm (width of a leg to be illuminated in FIG. 1) proposes the essentially transparent, tubular casing 20 of the light emitting diodes 16 to lay the boards 10 in two rows.
- the substantially waterproof casing 20 of the Light-emitting diodes make it easier to illuminate the body shape, the sheath 20 more than one board 10 and also the links between neighboring Luminous elements can cover.
- the sheathing is a shrink tube the flat character of the boards remains preserved and subsequent seals are not a problem.
- Suitable material of the casing 20 or embedded fluorescent substances can be used instead of or in addition body to be illuminated for colored interiors Create color effects.
- a DC voltage supplying mains voltage can also be used dispensing ballast with in the to be illuminated Bodies are integrated, enough remains Place in front of and next to such a so-called converter to a to achieve uniform illumination.
- Circuit protection is provided by Z diodes 18, which too each LED are connected in anti-parallel, guaranteed. These are preferred just like the cable 12 that is connected to a wire or a strand 11 to a conductor 14 the board is soldered, provided on this board.
- the shape of the circuit board 10 is an essentially rectangular, with its longitudinal extension corresponding to the extension of the cable connected to this circuit board chosen, the corners of which form an oblong octagonal Board are removed.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Led Devices (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
Description
Die Erfindung betrifft eine LED-Beleuchtung nach dem Oberbegriff des Hauptanspruchs, insbesondere eine LED-Beleuchtung mit einer Anzahl von mit Leuchtdioden versehenen Platinen und wenigstens einem, die Platinen zueinander und zur Spannungsquelle verbindenden Kabel.The invention relates to LED lighting according to the Preamble of the main claim, in particular LED lighting with a number of light-emitting diodes Boards and at least one, the boards to each other and cable connecting to the voltage source.
Ein Beleuchtungssystem insbesondere zur Beleuchtung von Schildern, Beschriftungen und Buchstaben mit einer inneren Ausleuchtung ist bereits aus der DE A1 100 52 380 bekannt, die ein Niedervoltbeleuchtungssystem beschreibt, bei dem einzelne Platinen mit Befestigungselementen an die gewünschten Orte innerhalb der Buchstaben gebracht werden. Nachteil dieses Systemes ist die begrenzte Anzahl von Dioden, die in Serie geschaltet werden kann, wobei für jede Reihenschaltung ein Reihenwiderstand oder eine elektronische Schaltung zur Konstanthaltung des Stroms vorgesehen werden muß.A lighting system especially for illuminating Signs, labels and letters with an inner Illumination is already from DE A1 100 52 380 known, which describes a low-voltage lighting system, with the individual boards with fasteners to the desired locations within the letters to be brought. The disadvantage of this system is the limited Number of diodes that are connected in series can, with a series resistor for each series connection or an electronic circuit for keeping constant of the current must be provided.
Weiter müssen eine Vielzahl von Steckern gegen das Eindringen von Wasser geschützt werden. Dies ist aufwendig und kostenträchtig, wie beispielsweise das in der DE A1 199 04 915 gezeigte Verfahren des Ausgießens unter einer profilförmigen Abdeckung zeigt. Hier entsteht ein starrer, mechanisch nicht beweglicher Körper, der sich anschließend nur schwer noch an spezifische Einsatzorte anpassen kann. Furthermore, a variety of plugs must be made to prevent intrusion be protected by water. This is expensive and costly, such as that in DE A1 199 04 915 shown methods of pouring under a profile-shaped cover shows. Here is a rigid, mechanically immobile body that subsequently difficult to go to specific locations can adjust.
Die Erfindung hat sich dagegen zur Aufgabe gesetzt, ein leicht zu verlegendes, universell verwendbares, regendichtes, leuchtstarkes System zu schaffen, das einfach und schnell an beliebigen Orten verlegt werden kann.In contrast, the invention has set itself the task of a easy to install, universally applicable, rainproof, luminous system to create that simple and can be quickly installed anywhere.
Gelöst wird dies durch eine LED-Beleuchtung mit den Merkmalen des Anspruches 1. Die Unteransprüche geben vorteilhafte Ausführungen wieder.This is solved by LED lighting with the Features of claim 1. Give the subclaims advantageous designs again.
Vorteilhaft ist dabei insbesondere, daß eine im wesentlichen transparente Ummantelung vorteilhafterweise mehrere Leuchtdioden auf jeweils einzelnen Platinen diese transparent und im wesentlichen wasserdicht überzieht. Dabei können z.B. 150 LEDs in einem Schlauch zusammengefaßt werden. Eventuell an den Enden eindringende Feuchtigkeit kann schon durch die Eigenerwärmung der LEDs wieder verdunstet werden und austreten. Als Isolierung ist z.B. ein Schrumpfschlauch absolut ausreichend.It is particularly advantageous that one essentially transparent sheathing advantageously several LEDs on individual boards this transparent and essentially waterproof. Here, e.g. 150 LEDs combined in one tube become. Possibly moisture penetrating at the ends can already by self-heating of the LEDs be evaporated again and leak. As insulation is e.g. a shrink tube is absolutely sufficient.
Gegenüber bisher bekannten Beleuchtungen läßt sich die Bautiefe von auszuleuchtenden Körpern, z.B. Buchstaben einer Leuchtreklame wegen der geringeren Wärmeabgabe und der Eigengröße der erfindungsgemäßen Beleuchtung verringern; es lassen sich feinere Details ausleuchten und durch engeres Verlegen mehrerer Schleifen des Schlauches läßt sich die Lichtstärke problemlos und billig erhöhen. Die Beleuchtung ist einfach zu verlegen und die bisher bei Neonistallation zu beachtenden genehmigungsrechtlichen Auflagen für über 1000-Volt-Anlagen entfallen komplett.Compared to previously known lights, the Construction depth of bodies to be illuminated, e.g. letters a neon sign because of the lower heat emission and reduce the size of the lighting according to the invention; finer details can be illuminated and by laying several loops of the hose closer together the light intensity can be increased easily and cheaply. The lighting is easy to install and the previous one approval law to be observed for neon crystallization Requirements for over 1000 volt systems are completely eliminated.
Da die Lichtabgabe von LED bei kälteren Temperaturen ansteigt, wird nachts, aber auch im Winter und auch bei schlechtem Wetter aufgabengemäß mehr Licht abgegeben. As the light output from LED increases in colder temperatures, is at night, but also in winter and also at given bad weather more light.
Die Lebensdauer wird erheblich erhöht, auf 15-80.000 Stunden, wobei dann nicht mit völligem Ausfall sondern mit langsamer Abnahme der Helligkeit zu rechnen ist.The lifespan is increased significantly, to 15-80,000 Hours, but then not with complete failure but a slow decrease in brightness is to be expected.
Es wird vorgeschlagen, als Überzug einen Schlauch zu verwenden, dessen lichter Durchmesser größer, als die Platine ist, vorteilhafterweise einen Schrumpfschlauch, der durch Erhitzen, sich eng die Platine anlegt und damit seine ursprünglich runde Form verliert und damit eine flache Anbringfläche auf der Rückseite der Platinen, gegenüberliegend den LED bietet.It is suggested to use a hose as a coating use whose inside diameter is larger than that Circuit board is advantageously a shrink tube, which, by heating, clings to the circuit board and with it loses its originally round shape and thus one flat mounting surface on the back of the boards, opposite the LED offers.
In dem Schlauch sind die einzelnen Platinen durch ein Kabel verbunden, das eine innere Litze oder einen Draht besitzt, die oder der an die Leitungsbahnen auf den Platinen angeschlossen ist. Die Ummantelung der Leitung kann aber auch einstückig mit der im wesentlichen transparenten Ummantelung der Leuchtdioden gefertigt werden, so daß es keines Schrumpfschlauches bedarf, der ansonsten über die ggf. vorgesehene Ummantelung der Leitung und insbesondere die Platinen gemeinschaftlich übergezogen wird.In the hose, the individual boards are marked by a Cable connected to an inner strand or wire owns that to the conductor tracks on the boards connected. The sheathing of the line but can also be made in one piece with the substantially transparent Coating of the light-emitting diodes are manufactured, so that there is no need for a shrink tube that otherwise over the possibly provided sheathing of the line and especially the circuit boards overcoated becomes.
Eine Reparatur ist durch Austausch einzelner Dioden möglich, auch der nachträgliche Überzug von Schrumpfschlauch über die Reparaturstelle.Repair is possible by replacing individual diodes, also the subsequent covering of heat shrink tubing about the repair center.
Wichtig ist, daß eine unrunde LED-Beleuchtung wenigstens im Bereich der Platinen entsteht, so daß diese beispielsweise über doppelseitiges Klebeband befestigbar sind, wobei die LED-Leuchte im wesentlichen senkrecht zur Befestigungsfläche leuchtet. Eine gewisse Leuchtwirkung schräg zur Seite ist bei der Beleuchtung von Buchstaben durch innenliegende LED-Beleuchtung durchaus erwünscht. Diese Streuwirkung kann durch eingelagerte Streuteilchen in der transparenten Ummantelung verstärkt werden oder durch farbige Teilchen oder Einfärbungen in ihrer Farbigkeit geändert werden.It is important that at least a non-circular LED lighting arises in the area of the boards, so that these, for example Can be attached using double-sided adhesive tape are, the LED light substantially vertical to the mounting surface lights up. A certain lighting effect is at an angle to the side when illuminating letters entirely desirable thanks to internal LED lighting. This scattering effect can be caused by stored Scattering particles reinforced in the transparent coating or by colored particles or coloring in their color can be changed.
Insbesondere fluoreszierende Bestandteile in der Ummantelung haben sich als vorteilhaft herausgestellt, da diese den punktförmigen Lichtcharakter der Leuchtdioden vermindern und einen größeren leuchtenden Bereich erzeugen. Gleichzeitig kann auf diese Weise die Farbe erheblich beeinflußt werden.In particular, fluorescent components in the casing have proven to be advantageous because this the punctiform light character of the light emitting diodes decrease and create a larger luminous area. At the same time, the color can be significant in this way to be influenced.
Weiter wird vorgeschlagen, die Dioden nicht mit Niederspannung im Bereich von 10 V bis maximal 50 V zu betreiben, sondern mit Netzspannung von 220 V oder sogar der maximal möglichen "Niederspannung" von 990 V. Durch Gleichrichtung entsteht eine Gleichspannung von ca. 300 V bzw. 990 V, so daß bis zu 470 (rot/gelbe 2,1 V) oder 275 blau/grün/weiße Dioden (3,6 V) in einem Diodenschlauch untergebracht werden können. Bei 3 cm Diodenabstand ergeben sich Längen von 14,1 m (rot/gelb) bzw. 8,25 m (blau/grün/weiß).It is further proposed that the diodes are not low voltage operate in the range from 10 V to a maximum of 50 V, but with a mains voltage of 220 V or even that maximum possible "low voltage" of 990 V. By Rectification creates a DC voltage of approx. 300 V or 990 V, so that up to 470 (red / yellow 2.1 V) or 275 blue / green / white diodes (3.6 V) in a diode tube can be accommodated. At 3 cm diode spacing lengths of 14.1 m (red / yellow) or 8.25 m (blue / green / white).
Das Vorschaltgerät sollte geeigneterweise für den Fall der gleichgerichteten Hochspannung 990 V und einem konstanten Diodenstrom von beispielsweise 50 mA eine Leistung von 50 W haben. Bei der bevorzugten Ausführung für 220 V ergibt sich eine entsprechend niedrigere Leistung.The ballast should suit the case the rectified high voltage 990 V and a constant Diode current of, for example, 50 mA a power of 50 W. In the preferred embodiment for 220 V results in a correspondingly lower output.
Um beim Ausfall (Unterbrechung einer einzelnen Diode) nicht die gesamte Serienschaltung außer Funktion zu setzen, wird jedem LED eine Z-Diode parallel geschaltet. Dazu wird auf der im wesentlichen rechtwinklig ausgebildeten Platine neben der z.B. mittig angeordneten SMD-Diode (SMD = engl. surface mounted device) eine Z-Diode angeordnet. In the event of failure (interruption of a single diode) not to disable the entire series connection, a Z-diode is connected in parallel to each LED. For this purpose, the training is essentially rectangular PCB next to e.g. SMD diode arranged in the center (SMD = surface mounted device) a Z-diode arranged.
Durch die stets gleiche Entfernung der Leuchtdioden im Kabel ist eine gleichmäßige Verteilung der LEDs erleichtert, die zudem durch Platine und Kabel gekühlt werden.By always the same distance of the LEDs in the Cable is even distribution of the LEDs easier, which are also cooled by circuit boards and cables.
Es tritt weder Verlustwärme durch Vorwiderstände oder Konstantstromschaltungen innerhalb der LED-Beleuchtung auf. Da keine Vorwiderstände vorhanden sind, ist auch keine Verlustleistung in der Energiebilanz zu berücksichtigen. Die im Vorschaltgerät entstehenden Gleichrichterverluste sind vernachlässigbar gering.There is no heat loss through series resistors or Constant current circuits within the LED lighting on. Since there are no series resistors, too no power loss to be considered in the energy balance. The rectifier losses occurring in the ballast are negligible.
Da der Diodenstrom vom Vorschaltgerät eingeprägt wird und an jeder Stelle gleich ist, herrscht die gleiche Helligkeit auch dann, wenn der Schlauch gekürzt wird. Optional kann am Vorschaltgerät manuell über ein Potentiometer oder eine Steuerung bis auf "Null" gedimmt werden.Because the diode current is impressed by the ballast and is the same at every point, the same rules Brightness even if the tube is shortened. Optionally, the ballast can be operated manually using a potentiometer or a control can be dimmed to "zero".
Für erforderliche Brückenverbindungen zwischen zwei Leuchtkörpern kann der Schlauch zwischen zwei Dioden aufgetrennt werden. Durch ein Verbindungskabel, welches über eine Klemme angeschlossen wird, erfolgt ein einfacher Anschluß an beide Schlauchenden des weiteren LED-Beleuchtungsschlauches.For required bridge connections between two The tube between two diodes can be used for lighting be separated. Through a connecting cable, which is connected via a terminal is a simple one Connection to both hose ends of the further LED lighting hose.
Weitere Vorteile und Merkmale der Erfindung ergeben sich aus nachfolgender Beschreibung eines bevorzugten Ausführungsbeispiels anhand der beigefügten Zeichnung. Dabei zeigt:
- Fig. 1
- die erfindungsgemäße LED-Beleuchtung mit beispielhaft neun LEDs,
- Fig. 2
- eine Detaildarstellung einer LED-Platine sowie der angrenzenden Leitungsstücke,
- Fig. 3
- die LED-Platine ohne angrenzende Leitung in Draufsicht, und
- Fig. 4
- die LED-Platine der Fig. 2 im Schnitt durch Außenschlauch und befestigendes Klebeband.
- Fig. 1
- the LED lighting according to the invention with nine LEDs as an example,
- Fig. 2
- a detailed representation of an LED circuit board and the adjacent line sections,
- Fig. 3
- the LED board without an adjacent cable in top view, and
- Fig. 4
- the LED circuit board of Fig. 2 in section through the outer tube and adhesive tape.
Die in der Fig. 1 dargestellte, bevorzugte Ausführung mit einem über die Platine gezogenen Schrumpfschlauch besteht aus ca. 4 cm voneinander beabstandeten LED-Platinen, die im wesentlichen rechtwinklig, jedoch mit fortgelassenen äußeren Ecken in einem Schlauch vorgesehen sind, der beispielhaft in einem Buchstaben 'a' angeordnet ist. Die im wesentlich nach oben in einem engen Lichtkegel abstrahlenden LEDs sind dabei auf Platinen befestigt, die von der transparenten Ummantelung in Form einer aufgespritzten Leitungsummantelung oder in Form eines Schrumpfschlauches oder anderweitig transparent ummantelt umgeben sind.The preferred embodiment shown in FIG. 1 with a shrink tube drawn over the board consists of LED boards spaced approximately 4 cm apart, which are provided essentially at right angles, but with omitted outer corners, in a tube, for example in a letter 'a' is arranged. The LEDs, which emit essentially upwards in a narrow cone of light, are fastened on circuit boards which are surrounded by the transparent sheathing in the form of a sprayed-on cable sheathing or in the form of a shrink tube or otherwise transparently sheathed.
In diese transparente Ummantelung können optisch aktive Partikel oder Substanzen eingebracht werden, um den Lichtkegel aufzuweiten oder zu färben. Im wesentlichen jedoch wird der Lichtkegel der LEDs ausreichen, wobei eine genaue Ausrichtung nach oben nicht notwendig ist, da aufgrund des geringen Abstands zur nächsten LED das Innere eines Beleuchtungskörpers ohnehin von einer Vielzahl von LEDs beleuchtet wird. Als Befestigung des Schlauchs hat sich ein doppelseitiges Klebeband, das insbesondere auf der Rückseite der flächigen Platinenabschnitte des Schlauches angebracht werden kann, bewährt. Es ist jedoch auch denkbar, handelsübliche Kabelhalter oder dergleichen zu verwenden, um die LED-Beleuchtung einfacher auswechselbar zu gestalten.Optically active in this transparent casing Particles or substances are introduced around the Expand or color the light cone. Essentially however, the light cone of the LEDs will be sufficient a precise upward alignment is not necessary, because of the small distance to the next LED Interior of a lighting fixture anyway from a variety is illuminated by LEDs. As attachment of the Hose has a double-sided tape that especially on the back of the flat board sections the hose can be attached, proven. However, it is also conceivable to use commercially available cable holders or the like to use the LED lighting easier to change.
In der Fig. 3 sind die auf der Platine angeordneten Leiterbahnen
14, gut zu erkennen. Die Leiterbahnen 14 zweigen
dabei von den Leiterbahnen zur LED-Diode zu einer
Z-Diode, die der LED-Diode parallel geschaltet ist, ab.
Die Z-Diode ist auf einer Seite der LED-Diode auf der
Platine seitlich neben der LED-Diode angeordnet. Auf der
gegenüberliegenden Seite wird die Platine jedoch ebenso
groß bemessen, um keine, die gerade Anordnung bei der
Befestigung störende, einseitige Symmetrie der Platinen
im Schlauch zu erhalten.3 are the conductor tracks arranged on the
Die Platinen werden mit einer Länge von ca. 10 mm und einer Breite von 5 mm gegenüber dem z. B. 2 mm Durchmesser aufweisenden Kabel mit Ummantelung deutlich breiter sein, so daß der Schrumpfschlauch, der sich beim Erhitzen eng anlegt, diese als Verdickungen in dem Diodenschlauch deutlich erkennbar beläßt. Gegebenenfalls kann noch vor Erhitzen des Schrumpfschlauches eine zusätzliche Ummantelung auf die Diode aufgespritzt werden oder in den - ggf. noch nicht geschrumpften - Schlauch eingespritzt werden.The boards are with a length of approx. 10 mm and a width of 5 mm compared to the z. B. 2 mm diameter cable with sheathing significantly wider be so that the heat shrink tubing, which when heated tightly creates these as thickenings in the diode tube left clearly recognizable. If necessary an additional one before heating the shrink tube Jacket can be sprayed onto the diode or injected into the - possibly not yet shrunk - hose become.
In der Fig. 4 sind die geometrischen Verhältnisse im Schnitt schematisch dargestellt.4, the geometric relationships in Section shown schematically.
Bei der erfindungsgemäßen LED-Beleuchtung mit einer Anzahl
von mit Leuchtdioden 16 versehenen Platinen 10 sind
die Abstände der Platine zueinander an dem mit einer
Spannungsquelle verbindenden Kabeln (siehe Fig. 2) so
gewählt, daß bei einem zwischen 90 und 150° großen Abstrahlwinkel
(bevorzugt 115 bis 125°) in schon 6 cm tiefen
Beleuchtungskörpern eine gleichmäßige Ausleuchtung
einer Frontscheibe ermöglicht ist.In the LED lighting according to the invention with a number
of
Wird die Breite eines Beleuchtungskörpers größer als 4
cm (Breite eines auszuleuchtenden Schenkels in Fig. 1)
wird vorgeschlagen, die im wesentlichen transparente,
schlauchförmige Ummantelung 20 der Leuchtdioden 16 auf
den Platinen 10 doppelreihig zu verlegen.If the width of a lighting fixture is larger than 4
cm (width of a leg to be illuminated in FIG. 1)
proposes the essentially transparent,
Eine geringe Neigung zur Frontscheibe, die die mehr Innenwandung
der Leuchtkörper anstrahlt, vergleichmäßigt
zunächst die Lichtverteilung, erst wenn Teile der Frontscheibe
nicht mehr ausgeleuchtet werden, sollte eine
Verdrehung des Schlauches durch Anbringen von z.B. den
Schlauch fixierenden Haltern vermindert werden. Da eine
Platine 10 für jede Leuchtdiode 16 vorgesehen ist, kann
einfach eine lagerichtige flächige Ausrichtung sichergestellt
werden.A slight inclination to the windscreen, which is the more inner wall
the lamp illuminates, evened out
First the light distribution, only when parts of the windscreen
should no longer be illuminated
Twisting the hose by attaching e.g. the
Hose fixing brackets can be reduced. There one
Die im wesentlichen wasserdichte Ummantelung 20 der
Leuchtdioden erlaubt es, die Leuchtkörper einfacher zu
gestalten, wobei die Ummantelung 20 mehr als eine Platine
10 und auch die Verbindungsstrecken zwischen benachbarten
Leuchtkörpern überziehen kann.The substantially
Wenn wie vorgeschlagen, die Ummantelung ein Schrumpfschlauch ist, bleibt der flächige Charakter der Platinen erhalten und nachträgliche Abdichtungen sind kein Problem.If as suggested, the sheathing is a shrink tube the flat character of the boards remains preserved and subsequent seals are not a problem.
Geeignetes Material der Ummantelung 20 oder eingelagerte
fluoreszierende Substanzen können statt oder zusätzlich
zu farbigen Innenräumen auszuleuchtender Körper neuartige
Farbeffekte hervorrufen. Suitable material of the
Weiter kann ein mit Netzspannung versorgendes Gleichspannung abgebendes Vorschaltgerät mit in die auszuleuchtenden Körper integriert werden, es verbleibt genug Platz vor und neben einem solchen sog. Converter, um eine gleichmäßige Ausleuchtung zu bewirken.A DC voltage supplying mains voltage can also be used dispensing ballast with in the to be illuminated Bodies are integrated, enough remains Place in front of and next to such a so-called converter to a to achieve uniform illumination.
Ein Verschaltungsschutz wird durch Z-Dioden 18, die zu
jeder LED antiparallel geschaltet sind, gewährleistet.
Diese sind bevorzugt ebenso wie das Kabel 12, das mit
einem Draht oder einer Litze 11 an eine Leiterbahn 14
der Platine angelötet ist, auf dieser Platine vorgesehen.Circuit protection is provided by
Als Form der Platine 10 wird eine im wesentlichen rechteckige,
mit ihrer Längserstreckung entsprechend der Erstreckung
des Kabels an diesem angeschlossene Platine
gewählt, deren Ecken unter Bildung einer länglich achteckigen
Platine entfernt sind.The shape of the
Claims (10)
eine im wesentlichen transparente, schlauchförmige Ummantelung (20) wenigstens der Leuchtdioden (16) auf den Platinen (10).LED lighting with a number of circuit boards (10) provided with light-emitting diodes (16) and cables (12) connecting the circuit board to one another and to a voltage source, characterized by
an essentially transparent, tubular sheath (20) of at least the light-emitting diodes (16) on the circuit boards (10).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20203326U | 2002-03-01 | ||
| DE20203326U DE20203326U1 (en) | 2002-03-01 | 2002-03-01 | LED lighting |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1341142A2 true EP1341142A2 (en) | 2003-09-03 |
| EP1341142A3 EP1341142A3 (en) | 2006-01-25 |
| EP1341142B1 EP1341142B1 (en) | 2009-11-25 |
Family
ID=7968496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03003325A Expired - Lifetime EP1341142B1 (en) | 2002-03-01 | 2003-02-13 | LED illuminant |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1341142B1 (en) |
| AT (1) | ATE450028T1 (en) |
| DE (2) | DE20203326U1 (en) |
| DK (1) | DK1341142T3 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7926976B2 (en) | 2004-01-30 | 2011-04-19 | Osram Opto Semiconductors Gmbh | Deformable illumination module |
| WO2012023856A1 (en) * | 2010-08-20 | 2012-02-23 | Orga Holding B.V. | Printed circuit board with leds and its use in an explosion proof lighting fixture |
| CN101377272B (en) * | 2008-09-28 | 2014-05-07 | 北京中庆微数字设备开发有限公司 | LED apparatus |
| DE102004064254B3 (en) | 2004-01-30 | 2019-06-27 | Osram Gmbh | Deformable lighting module |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003279157A1 (en) * | 2002-10-03 | 2004-04-23 | Color Kinetics Incorporated | Methods and apparatus for illuminating environments |
| DE10358447B3 (en) * | 2003-12-13 | 2005-05-25 | Insta Elektro Gmbh | Illumination device has series LEDs, each with parallel-connected electronic unit with low impedance switch element, diode, threshold switch, capacitor whose voltage supplies threshold switch and is fed to threshold switch as its input |
| DE102009024828A1 (en) | 2009-06-13 | 2010-12-23 | Adolf Maier | Moisture-proof lighting arrangement and method for its production |
| DE202014005059U1 (en) | 2014-06-17 | 2014-09-10 | Petrus Pfundt | Tubelight LED light tube |
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|---|---|---|---|---|
| US5496427A (en) * | 1991-03-13 | 1996-03-05 | The Standard Products Company | Process for manufacturing an elongated electroluminescent light strip |
| EP0760448A2 (en) * | 1995-08-28 | 1997-03-05 | Stantech | Integrally formed linear light strip with light emitting diodes |
| WO1999058899A2 (en) * | 1998-05-08 | 1999-11-18 | Ventur Research & Development Corporation | Christmas light string |
| DE19904915A1 (en) * | 1999-02-06 | 2001-02-01 | Alcatel Sa | Humidity-proof strip light and method for producing it includes sources of light connected to a wire running along the strip and having a humidity-proof covering with a section of the wire embedded in a cast material. |
| US6283612B1 (en) * | 2000-03-13 | 2001-09-04 | Mark A. Hunter | Light emitting diode light strip |
| DE10052380A1 (en) * | 1999-10-20 | 2001-10-25 | Europ Sign Systems Ess Gmbh | Illumination system for lighting hollow bodies such as signs, writing, letters, especially relief lettering |
| DE10100877A1 (en) * | 2000-05-16 | 2002-01-03 | Reklame Conrad Wilden Nachf Gm | Electrical lighting device for providing illumination, has form of tube containing series of light emitting diodes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4761720A (en) | 1987-05-14 | 1988-08-02 | Wolo Manufacturing Corporation | Illuminated tape |
| JP2827149B2 (en) | 1992-10-20 | 1998-11-18 | 株式会社小糸製作所 | Safety display device |
| DE19627856A1 (en) | 1996-07-11 | 1998-01-15 | Happich Fahrzeug & Ind Teile | Lighting strip and manufacturing method |
-
2002
- 2002-03-01 DE DE20203326U patent/DE20203326U1/en not_active Expired - Lifetime
-
2003
- 2003-02-13 DK DK03003325.2T patent/DK1341142T3/en active
- 2003-02-13 EP EP03003325A patent/EP1341142B1/en not_active Expired - Lifetime
- 2003-02-13 AT AT03003325T patent/ATE450028T1/en active
- 2003-02-13 DE DE50312147T patent/DE50312147D1/en not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5496427A (en) * | 1991-03-13 | 1996-03-05 | The Standard Products Company | Process for manufacturing an elongated electroluminescent light strip |
| EP0760448A2 (en) * | 1995-08-28 | 1997-03-05 | Stantech | Integrally formed linear light strip with light emitting diodes |
| WO1999058899A2 (en) * | 1998-05-08 | 1999-11-18 | Ventur Research & Development Corporation | Christmas light string |
| DE19904915A1 (en) * | 1999-02-06 | 2001-02-01 | Alcatel Sa | Humidity-proof strip light and method for producing it includes sources of light connected to a wire running along the strip and having a humidity-proof covering with a section of the wire embedded in a cast material. |
| DE10052380A1 (en) * | 1999-10-20 | 2001-10-25 | Europ Sign Systems Ess Gmbh | Illumination system for lighting hollow bodies such as signs, writing, letters, especially relief lettering |
| US6283612B1 (en) * | 2000-03-13 | 2001-09-04 | Mark A. Hunter | Light emitting diode light strip |
| DE10100877A1 (en) * | 2000-05-16 | 2002-01-03 | Reklame Conrad Wilden Nachf Gm | Electrical lighting device for providing illumination, has form of tube containing series of light emitting diodes |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7926976B2 (en) | 2004-01-30 | 2011-04-19 | Osram Opto Semiconductors Gmbh | Deformable illumination module |
| DE102004004777B4 (en) * | 2004-01-30 | 2013-08-29 | Osram Opto Semiconductors Gmbh | Deformable lighting module |
| DE102004064254B3 (en) | 2004-01-30 | 2019-06-27 | Osram Gmbh | Deformable lighting module |
| CN101377272B (en) * | 2008-09-28 | 2014-05-07 | 北京中庆微数字设备开发有限公司 | LED apparatus |
| WO2012023856A1 (en) * | 2010-08-20 | 2012-02-23 | Orga Holding B.V. | Printed circuit board with leds and its use in an explosion proof lighting fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| DE20203326U1 (en) | 2002-07-04 |
| ATE450028T1 (en) | 2009-12-15 |
| EP1341142B1 (en) | 2009-11-25 |
| DK1341142T3 (en) | 2010-04-12 |
| EP1341142A3 (en) | 2006-01-25 |
| DE50312147D1 (en) | 2010-01-07 |
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