ES2584241T3 - Lighting device that includes an LED - Google Patents
Lighting device that includes an LED Download PDFInfo
- Publication number
- ES2584241T3 ES2584241T3 ES09719975.6T ES09719975T ES2584241T3 ES 2584241 T3 ES2584241 T3 ES 2584241T3 ES 09719975 T ES09719975 T ES 09719975T ES 2584241 T3 ES2584241 T3 ES 2584241T3
- Authority
- ES
- Spain
- Prior art keywords
- lens
- led
- support
- elongated body
- support element
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
Dispositivo de iluminación (1) que comprende al menos un LED (2), al menos una lente (4), una estructura de soporte (3) para dicho LED (2) y para dicha lente (4), siendo dicha estructura de soporte (3) una varilla adecuada para soportar dicha lente (4) a una distancia de dicho LED (2) de una manera adecuada que permite modificar la iluminación de dicho LED (2) y que comprende: un cuerpo alargado (6) que se extiende a lo largo de una única dirección de prolongación predominante y medios de soporte (7) adecuados para soportar dicho LED (2) caracterizado porque dicha estructura de soporte (3) comprende además un elemento de soporte (5) adecuado para soportar dicha lente (4) y realizado mediante una prolongación de dicho cuerpo alargado (6) doblado en U.Lighting device (1) comprising at least one LED (2), at least one lens (4), a support structure (3) for said LED (2) and for said lens (4), said support structure being (3) a rod suitable for supporting said lens (4) at a distance from said LED (2) in a suitable manner that allows modifying the lighting of said LED (2) and comprising: an elongated body (6) extending along a single predominant extension direction and support means (7) suitable for supporting said LED (2) characterized in that said support structure (3) further comprises a support element (5) suitable for supporting said lens (4) ) and carried out by means of an extension of said elongated body (6) folded in U.
Description
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Dispositivo de iluminacion que incluye un LED.Lighting device that includes an LED.
La presente invencion hace referencia a un dispositivo de iluminacion que incluye un LED del tipo que se especifica en el preambulo de la Reivindicacion 1, del tipo de los descritos, por ejemplo, en las solicitudes de patente JP-A-2004296249, JP-A-2004Z96245, US-A-2004/156199, WO-A-98/55799, US-A-2002/191396 y WO- A-2006/090858.The present invention refers to a lighting device that includes an LED of the type specified in the preamble of Claim 1, of the type described, for example, in patent applications JP-A-2004296249, JP-A -2004Z96245, US-A-2004/156199, WO-A-98/55799, US-A-2002/191396 and WO-A-2006/090858.
Actualmente se conocen distintos LED (siglas en ingles para diodo emisor de luz) que se vienen utilizando recientemente para iluminar distintos espacios, entre ellos: espacios domesticos, oficinas y espacios abiertos como plazas y jardines y similares.Currently, different LEDs are known (acronym in English for light-emitting diode) that have been used recently to illuminate different spaces, including: domestic spaces, offices and open spaces such as plazas and gardens and the like.
Los dispositivos de iluminacion LED presentan varias ventajas frente a los dispositivos de iluminacion mas convencionales como las lamparas incandescentes y las lamparas fluorescentes.LED lighting devices have several advantages over more conventional lighting devices such as incandescent lamps and fluorescent lamps.
En concreto, el volumen de los LED es muy pequeno, incluso inferior a 1 cm3, presentan una eficiencia muy elevada, producen una luz que puede dar un color deseado y se encienden muy rapidamente cuando son activados por la corriente electrica, entre otras cosas.Specifically, the volume of the LEDs is very small, even less than 1 cm3, they have a very high efficiency, they produce a light that can give a desired color and come on very quickly when they are activated by electric current, among other things.
Ademas de las ventajas mencionadas, los dispositivos de iluminacion LED presentan tambien considerables inconvenientes.In addition to the mentioned advantages, the LED lighting devices also have considerable drawbacks.
De hecho, los LED producen una iluminacion difusa que no es adecuada para determinados ambientes o para espacios interiores.In fact, LEDs produce diffuse lighting that is not suitable for certain environments or for interior spaces.
Es posible modificar dicha iluminacion mediante lentes externas al LED, pero ello implica la produccion de una compleja estructura que esteticamente no es atractiva y que, sobre todo, reduce la disipacion de calor de estos LED y, por consiguiente, la vida util de los mismos.It is possible to modify said illumination by means of lenses external to the LED, but this implies the production of a complex structure that aesthetically is not attractive and, above all, reduces the heat dissipation of these LEDs and, consequently, their useful life .
Partiendo de esta situacion, el proposito tecnico de la presente invencion es idear un dispositivo de iluminacion que incluya un LED, capaz de solventar sustancialmente los inconvenientes mencionados.Starting from this situation, the technical purpose of the present invention is to devise a lighting device that includes an LED, capable of substantially solving the aforementioned drawbacks.
Dentro del proposito tecnico antedicho, un objeto importante de la invencion es conseguir un dispositivo de iluminacion que incluya un LED que produce iluminacion difusa.Within the aforementioned technical purpose, an important object of the invention is to achieve a lighting device that includes an LED that produces diffuse lighting.
El proposito tecnico y los objetos de la invencion son conseguir un dispositivo de iluminacion que incluya un LED como el descrito en la Reivindicacion 1 anexa.The technical purpose and objects of the invention are to achieve a lighting device that includes an LED as described in the attached Claim 1.
En las reivindicaciones dependientes se destacan las realizaciones preferentes.Preferred embodiments are highlighted in the dependent claims.
Las realizaciones preferentes de la invencion se muestran a tftulo de ejemplo en los dibujos adjuntos. En particular:Preferred embodiments of the invention are shown by way of example in the accompanying drawings. In particular:
La Fig. 1 muestra una vista desde arriba del dispositivo de iluminacion segun la invencion;Fig. 1 shows a top view of the lighting device according to the invention;
La Fig. 2 muestra una vista lateral del dispositivo de iluminacion; yFig. 2 shows a side view of the lighting device; Y
La Fig. 3 muestra una vista lateral del dispositivo de iluminacion con una configuracion diferente.Fig. 3 shows a side view of the lighting device with a different configuration.
Con referencia a las Figuras, el dispositivo de iluminacion segun la invencion, se indica en su conjunto con el numero 1.With reference to the Figures, the lighting device according to the invention is indicated as a whole with the number 1.
Comprende al menos un LED 2, una estructura de soporte 3 para el LED 2 y una lente 4, situada sobre el LED 2, soportada por la estructura de soporte 3 y adecuada para modificar la iluminacion del LED 2, concretamente para crear una iluminacion difusa.It comprises at least one LED 2, a support structure 3 for the LED 2 and a lens 4, located on the LED 2, supported by the support structure 3 and suitable for modifying the illumination of the LED 2, specifically to create a diffuse illumination .
En detalle, la lente 4 esta convenientemente fabricada en cristal, o alternativamente en vidrio, o en general, en material vftreo, polfmero o silicona.In detail, the lens 4 is conveniently manufactured in glass, or alternatively in glass, or in general, in glass, polymer or silicone material.
Tiene forma sustancialmente de casquete esferico cuya parte inferior presenta una superficie sustancialmente plana.It has a substantially spherical cap shape whose bottom has a substantially flat surface.
En particular, la lente 4 tiene un diametro en su base preferiblemente de entre 1 cm y 10 cm y mas preferiblemente de entre 1 cm y 5 cm, una altura de entre 0.4 cm y 6 cm y mas preferiblemente de entre 1 cm y 3 cm y una relacion entre el diametro y la altura preferiblemente de entre 2 y 4 y mas preferiblemente de entre 2,5 y 3,5.In particular, the lens 4 has a diameter at its base preferably between 1 cm and 10 cm and more preferably between 1 cm and 5 cm, a height between 0.4 cm and 6 cm and more preferably between 1 cm and 3 cm and a ratio between the diameter and the height preferably between 2 and 4 and more preferably between 2.5 and 3.5.
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En detalle, se aportan dos tamanos para la lente 4, uno con un diametro de entre 18 mm y 22 mm y una altura de entre 6 mm y 9 mm y el otro con un diametro de entre 30 mm y 36 mm y una altura de entre 9 mm y 12 mm. En ambos casos se preve un rectificado de entre 1mm y 3 mm en la base plana para evitar la formacion de esquinas afiladas.In detail, two sizes are provided for lens 4, one with a diameter between 18 mm and 22 mm and a height between 6 mm and 9 mm and the other with a diameter between 30 mm and 36 mm and a height of between 9 mm and 12 mm. In both cases, a grinding between 1mm and 3mm is provided on the flat base to avoid the formation of sharp corners.
El LED 2 esta compuesto por un circuito impreso 2a y una bombilla, o lente primaria 2b. El circuito impreso 2a es convenientemente, sustancialmente rectangular y plano y tiene unas dimensiones en su base de entre 1 mm y 5 mm.LED 2 is composed of a printed circuit 2a and a bulb, or primary lens 2b. The printed circuit 2a is conveniently, substantially rectangular and flat and has dimensions at its base of between 1 mm and 5 mm.
La bombilla 2b, o lente primaria, es de material polimerico o silicona, o vidrio y preferiblemente tiene un diametro exterior de entre 0,3 mm y 3 mm y mas preferiblemente de entre 1,5 mm y 2 mm. Ademas, presenta una forma sustancialmente semiesferica.The bulb 2b, or primary lens, is of polymeric or silicone material, or glass and preferably has an outside diameter of between 0.3 mm and 3 mm and more preferably between 1.5 mm and 2 mm. In addition, it has a substantially hemispherical shape.
El LED 2 tiene una potencia de entre 1 W y 50 W y mas preferiblemente entre 1 W y 20 W, e incluso mas preferiblemente de alrededor de 20 W.LED 2 has a power of between 1 W and 50 W and more preferably between 1 W and 20 W, and even more preferably about 20 W.
La estructura de soporte 3 es, convenientemente, una varilla que se extiende a lo largo de una unica direccion predominante y que presenta una porcion curva, segun se especifica mas adelante.The support structure 3 is conveniently a rod that extends along a single predominant direction and has a curved portion, as specified below.
En particular, la estructura de soporte 3 comprende un cuerpo alargado 6, preferiblemente una varilla, tubular y hueca y, por lo tanto, presentando una cavidad 6a.In particular, the support structure 3 comprises an elongated body 6, preferably a rod, tubular and hollow and, therefore, having a cavity 6a.
Esta fabricada en metal, preferiblemente cobre chapado en niquel, preferiblemente con una seccion normal sustancialmente circular, y con un diametro preferiblemente de entre 1 mm y 30 mm y mas preferiblemente de entre 2 mm y 6 mm.It is made of metal, preferably nickel-plated copper, preferably with a substantially circular normal section, and with a diameter preferably between 1 mm and 30 mm and more preferably between 2 mm and 6 mm.
El cuerpo alargado 6 comprende los medios de soporte 7 del LED 2. Estos incluyen una superficie de soporte 7a, parte del cuerpo alargado 6 y preferiblemente definida por una parte aplanada de este cuerpo alargado 6, y una placa 8 fija a la superficie de soporte 7a, adecuada para soportar el LED 2 directamente.The elongate body 6 comprises the support means 7 of the LED 2. These include a support surface 7a, part of the elongated body 6 and preferably defined by a flattened part of this elongated body 6, and a plate 8 fixed to the support surface 7a, suitable to support LED 2 directly.
La placa 8 es convenientemente rectangular y esta hecha en aleacion de aluminio; ademas, posee un grosor cercano al diametro del cuerpo alargado 6, una longitud de entre 2 y 3 cm y una altura de entre 0,5 mm y 3 mm.The plate 8 is conveniently rectangular and is made of aluminum alloy; also, it has a thickness close to the diameter of the elongated body 6, a length between 2 and 3 cm and a height between 0.5 mm and 3 mm.
El cuerpo alargado 6 permite la dispersion optima del calor procedente del LED 2 y aloja las conexiones electricas 9 para el LED 2.The elongated body 6 allows optimum dispersion of heat from LED 2 and houses the electrical connections 9 for LED 2.
La estructura de soporte 3 tambien comprende preferiblemente un elemento de soporte 5, adecuado para soportar la lente 4.The support structure 3 also preferably comprises a support element 5, suitable for supporting the lens 4.
El elemento de soporte 5 es parte de la estructura de soporte 3 y es adecuado para soportar la lente 4 de modo que este situada proxima al LED 2 pero sin estar en contacto directo con el mismo, tal como se muestra en laThe support element 5 is part of the support structure 3 and is suitable for supporting the lens 4 so that it is located close to the LED 2 but without being in direct contact with it, as shown in the
Fig. 2.Fig. 2.
A este respecto, el elemento de soporte 5 esta convenientemente realizado a modo de prolongacion de la parte final del cuerpo alargado 6, convenientemente doblada en U, tal como se muestra en la Fig. 2.In this regard, the support element 5 is conveniently made as an extension of the end part of the elongated body 6, conveniently bent in U, as shown in Fig. 2.
En particular, el elemento de soporte 5 permite soportar la lente 4, preferiblemente situada en una direccion paralela a la direccion del plano en el que reposa el circuito 2a del LED 2, separada de este ultimo.In particular, the support element 5 allows the lens 4 to be supported, preferably located in a direction parallel to the direction of the plane in which the circuit 2a of the LED 2 rests, separated from the latter.
En detalle, la distancia entre el LED 2 y la lente 4 es de entre 0,5 mm y 10 mm, y mas preferiblemente de entre 1 mm y 4 mm. Ademas, la lente 4 esta preferiblemente dispuesta de tal modo que el centro de la circunferencia este alineado verticalmente con el LED 2, tal como se muestra en la Fig. 1. La parte superior del elemento de soporte 5 tiene, por lo tanto, mayor longitud cuando la lente tiene un diametro mas pequeno.In detail, the distance between LED 2 and lens 4 is between 0.5 mm and 10 mm, and more preferably between 1 mm and 4 mm. In addition, the lens 4 is preferably arranged such that the center of the circumference is aligned vertically with the LED 2, as shown in Fig. 1. The upper part of the support element 5 therefore has greater length when the lens has a smaller diameter.
La lente 4 se conecta mediante un pegamento especffico al elemento de soporte 5, para una longitud de menos de un centfmetro.The lens 4 is connected by a specific glue to the support element 5, for a length of less than one centimeter.
El cuerpo alargado 6 esta tambien preferiblemente aplanado en el elemento de soporte 5, de modo que forma una seccion elipsoide con una relacion entre dimensiones de un medio y cuyo eje mayor es paralelo a la placa 8.The elongated body 6 is also preferably flattened in the support element 5, so that it forms an ellipsoid section with a relationship between dimensions of a medium and whose major axis is parallel to the plate 8.
Ademas, el elemento de soporte 5 es, preferiblemente, separable del cuerpo alargado 6.In addition, the support element 5 is preferably separable from the elongate body 6.
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A este fin, se preven medios de conexion 10 mecanicos y abribles entre el elemento de soporte 5 y el cuerpo alargado 6.To this end, mechanical and openable connection means 10 are provided between the support element 5 and the elongated body 6.
En particular, el cuerpo alargado 6 comprende un extremo final 6b preferiblemente circular, hueco.In particular, the elongate body 6 comprises a hollow, preferably circular, end end 6b.
Entre el extremo final 6b y la superficie de soporte 7a, el cuerpo tubular 6 tiene una longitud preferiblemente superior a 5 mm, tal como se muestra en la Fig. 1, y mas preferiblemente de entre 0,8 cm y 2 cm.Between the end end 6b and the support surface 7a, the tubular body 6 has a length preferably greater than 5 mm, as shown in Fig. 1, and more preferably between 0.8 cm and 2 cm.
Esta seccion final del cuerpo tubular 6 es una parte de los medios de conexion10, que se completan con un pasador circular 11, integrado con el elemento de soporte 5 y contraformado con respecto a la cavidad 6a, por lo tanto, circular, y con un diametro preferiblemente de entre 1 mm y 3 mm.This final section of the tubular body 6 is a part of the connection means 10, which are completed with a circular pin 11, integrated with the support element 5 and counter-formed with respect to the cavity 6a, therefore, circular, and with a diameter preferably between 1 mm and 3 mm.
El enganche entre el elemento 5 y el cuerpo tubular 6 es preferiblemente mediante acoplamiento forzado.The coupling between the element 5 and the tubular body 6 is preferably by forced coupling.
Alternativamente, los medios de conexion 10 pueden estar dotados de elementos direccionales que eviten la rotacion del elemento de soporte 5 dentro de la cavidad 6a en la direccion paralela a la misma.Alternatively, the connection means 10 may be provided with directional elements that prevent rotation of the support element 5 within the cavity 6a in the direction parallel to it.
El dispositivo de iluminacion 1 objeto de la invencion consigue ventajas importantes. De hecho, mediante la presencia de la lente 4, el dispositivo 1 produce una iluminacion de burbuja o bombilla. optima tanto para interiores como para exteriores.The lighting device 1 object of the invention achieves important advantages. In fact, by the presence of the lens 4, the device 1 produces a bubble or bulb illumination. optimal for both indoor and outdoor.
Ademas, la disposicion de la lente 4, sin estar en contacto directo con el LED 2, permite una elevada disipacion del calor que se crea en el LED 2.In addition, the arrangement of the lens 4, without being in direct contact with the LED 2, allows a high heat dissipation that is created in the LED 2.
Ademas, la lente 2 es separable del LED 2 y por lo tanto, permite que este ultimo sea utilizado de diferentes modos y en distintas situaciones. El elemento de soporte 5 puede retirarse y ser sustituido de forma inmediata por otro elemento de soporte con otra lente diferente.In addition, the lens 2 is separable from the LED 2 and therefore allows the latter to be used in different ways and in different situations. The support element 5 can be removed and immediately replaced by another support element with a different lens.
Por ultimo, la estructura es sencilla y solida, asf como muy facil de fabricar.Finally, the structure is simple and solid, as well as very easy to manufacture.
En particular, la fijacion de la lente 4 al elemento de soporte 5, mediante un simple pegamento, es inmediata y puede realizarse con precision, sin necesidad de mas elementos.In particular, the fixation of the lens 4 to the support element 5, by means of a simple glue, is immediate and can be done precisely, without the need for more elements.
La invencion es susceptible de modificaciones y variantes dentro del concepto de la invencion segun se define en las reivindicaciones.The invention is susceptible to modifications and variants within the concept of the invention as defined in the claims.
Claims (13)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI20080429 | 2008-03-13 | ||
| IT000429A ITMI20080429A1 (en) | 2008-03-13 | 2008-03-13 | INCLUDING LED LIGHTING DEVICE |
| PCT/IB2009/000473 WO2009112926A2 (en) | 2008-03-13 | 2009-03-10 | Lighting device including a led |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2584241T3 true ES2584241T3 (en) | 2016-09-26 |
Family
ID=40292888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES09719975.6T Active ES2584241T3 (en) | 2008-03-13 | 2009-03-10 | Lighting device that includes an LED |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2252827B1 (en) |
| ES (1) | ES2584241T3 (en) |
| IT (1) | ITMI20080429A1 (en) |
| WO (1) | WO2009112926A2 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5879068A (en) * | 1997-06-03 | 1999-03-09 | Menashrov; Gavriel | Illuminated drinking vessel |
| US6857756B2 (en) * | 2001-04-11 | 2005-02-22 | General Manufacturing, Inc. | LED work light |
| US7114834B2 (en) * | 2002-09-23 | 2006-10-03 | Matrix Railway Corporation | LED lighting apparatus |
| JP2004296245A (en) * | 2003-03-26 | 2004-10-21 | Matsushita Electric Works Ltd | Led lamp |
| JP2004296249A (en) * | 2003-03-26 | 2004-10-21 | Matsushita Electric Works Ltd | Luminaire |
| US20090168419A1 (en) * | 2005-02-24 | 2009-07-02 | Sueyoshi Daimon | Light Emission Device and Light Emitter Using the Same |
-
2008
- 2008-03-13 IT IT000429A patent/ITMI20080429A1/en unknown
-
2009
- 2009-03-10 WO PCT/IB2009/000473 patent/WO2009112926A2/en active Application Filing
- 2009-03-10 EP EP09719975.6A patent/EP2252827B1/en active Active
- 2009-03-10 ES ES09719975.6T patent/ES2584241T3/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2252827B1 (en) | 2016-06-08 |
| WO2009112926A2 (en) | 2009-09-17 |
| EP2252827A2 (en) | 2010-11-24 |
| WO2009112926A3 (en) | 2009-11-05 |
| ITMI20080429A1 (en) | 2009-09-14 |
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