EP2204604B1 - Lampe - Google Patents

Lampe Download PDF

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Publication number
EP2204604B1
EP2204604B1 EP09015635.7A EP09015635A EP2204604B1 EP 2204604 B1 EP2204604 B1 EP 2204604B1 EP 09015635 A EP09015635 A EP 09015635A EP 2204604 B1 EP2204604 B1 EP 2204604B1
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EP
European Patent Office
Prior art keywords
light
optics
facets
tertiary
microstructures
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Application number
EP09015635.7A
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German (de)
English (en)
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EP2204604A1 (fr
Inventor
Markus Dr. Görres
Matthias Dr. Bremerich
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Erco GmbH
Original Assignee
Erco GmbH
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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
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/002—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for interchangeability, i.e. component parts being especially adapted to be replaced by another part with the same or a different function
    • 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
    • F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
    • 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
    • F21V5/008—Combination of two or more successive refractors along an optical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/107—Outdoor lighting of the exterior of buildings
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional 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]

Definitions

  • the invention first relates to a luminaire for illuminating building surfaces according to claim 1.
  • any lights are considered that serve as a floor, wall or ceiling light of a building, possibly as a spotlight or recessed light, the illumination of a building or a part of the building.
  • these are understood to be lights, the surfaces of an outdoor area of a building, so z. B. parking areas, green areas or roads, can illuminate.
  • Under illuminating building surfaces within the meaning of claim 1 also understood to be illuminated paintings or art objects.
  • WO 2008/021082 A2 shows an illumination device, which has a light source, a first optical element for collimation and a second optical element, which is designed as a diffuser. This second optical element serves to diffuse the light diffusively.
  • Light directing microstructures formed by facets extending along a patterned grid are not known in the document.
  • an illumination system that includes a light steering assembly near a microprism light source.
  • FIG. 2 shows, schematically illustrated, a light source, which is arranged in the interior of a curved reflector element.
  • the embodiment does not show a luminaire with a board on which a plurality of LEDs are arranged, and no secondary optics, which bundles the light emitted by the LED's and the is transmissive, that is provided by a lens assembly or a plurality of lens bodies.
  • From the DE 101 42 588 A1 is a light-emitting element signal known, which should display a flare example as a traffic light system. A luminaire for illuminating a building surface is not described here.
  • a headlight for a vehicle with a switchable light distribution is known.
  • the circuit is effected by rotation of an opaque holding element, in which a plurality of capsule-shaped optics are arranged.
  • the document does not show a stationarily arranged luminaire for illuminating a building surface which comprises a surface-formed element in the sense of a tertiary optic.
  • the object of the invention is first of all to provide a luminaire which has an improved, and if necessary in detail exactly predeterminable light distribution using LEDs.
  • a luminaire is to be provided, which allows recourse to standardized components of a lamp by replacing only a few components of the luminaire a modified light distribution.
  • the principle of the invention consists essentially in equipping a luminaire with a circuit board, a secondary optic and a tertiary optic.
  • the board is the component that carries one or more LED's.
  • the lamp can also include several boards.
  • a circuit board is generally referred to that circuit board on which the LEDs are mounted, either by soldering or any other suitable method of attachment.
  • the board within the meaning of claim 1 forms so far the mechanical support member for the LED or the plurality of LEDs.
  • the LEDs can equally be of any design. It may be monochrome or multi-colored or differently colored LED's.
  • the LEDs already have a primary optic. This can be, for example, a lens body formed from transparent plastic or the like material, which has been attached directly to the LED, typically already during the manufacturing process of the LED. This can already ensure a certain focusing of the light, so that the commercially equipped with a primary optics LED, for example, has a radiation angle of 120 ° to 180 °. Other radiation angles are possible.
  • the luminaire according to the invention comprises a secondary optic which focuses the light emitted by the LEDs.
  • the secondary optics is formed by one or more lens bodies, which are formed translucent and have exactly calculated boundary courses, in order to focus the light emitted by the LEDs.
  • the secondary optics serve to convert the light emitted by the LEDs substantially into a parallel light beam path, which can be made available for subsequent photometric processing of a subsequent tertiary optic.
  • the secondary optics can be formed by cup-like elements in cross-section, which widen in cross-section with increasing distance from the LED's. These lens elements can be placed directly on the board and overlap the existing there LED's so that they can absorb all the light emitted by the LED's light and processed in terms of lighting technology.
  • a secondary optics is understood both a lens assembly which represents a one-piece component, which engages over a plurality of LEDs, as well as a plurality of such lens bodies, the individual LEDs overlap.
  • the board is firmly attached to a lamp housing.
  • the secondary optics are also firmly attached to a luminaire housing. Further preferably, the secondary optics is fixed directly to the board.
  • the luminaire according to the invention furthermore comprises a tertiary optic.
  • the term tertiary optics takes into account that in the direction of the light path, this optics is the third element which causes a light-directing effect.
  • the Tertiäroptik is formed in the lamp according to the invention of a flat, translucent element.
  • a flat element each flat, plate-shaped element, but possibly also curved element is referred to, which is formed thin-walled.
  • dome-shaped flat elements also fall under the term tertiary optics in the sense of claim 1.
  • Tertiary optics are translucent, that is, they let the light through. Due to inventively provided light-guiding microstructures, however, a steering of the light takes place.
  • microstructures in the sense of the present patent application, all surface structures incorporated in one or both surfaces of the element are understood. These can be calculated and predefined to a very exact extent and worked into a corresponding tool shape.
  • the microstructures may have facets whose light-directing interfaces are formed by curved surfaces or planar surfaces.
  • a structured grid of such facets can extend along the entire plate surface.
  • facets with a curved surface and facets with a flat surface can alternate.
  • the plate surface can also be subdivided into different sections, wherein in a first section facets with a first type of curvature and in a second section facets with a second type of curvature are arranged.
  • the radiation behavior of the luminaire can be predetermined to a very accurate degree.
  • the light emission of the luminaire can be influenced in the desired manner.
  • the translucent element is formed by a flat plate, which on its inside, ie the side, the Secondary optics, fully occupied by spherical facets. Then, by choosing the radius of the individual facets, the beam angle of the luminaire can be influenced. If facets are used which have a uniformly small radius, a larger emission angle is generated than if facets are used whose surface curvature has a larger radius throughout. In this way, a light can optionally be equipped with a corresponding lens plate with microlenses of the first kind or with another lens plate with microlenses of the second kind. By appropriate replacement of the tertiary optics (ie the lens plate), the radiation behavior of the lamp can be changed accordingly.
  • the light-directing microstructures can be incorporated in different ways.
  • the tertiary optic is formed by a plastic injection-molded part.
  • the light-directing microstructures may be incorporated in the mold.
  • the structures transfer accordingly to the molding.
  • the light-directing microstructures individually by means of individual workpiece machining, that is, for example, by milling each workpiece. Although this is considered to be quite expensive, it should be included in the invention.
  • light-directing microstructures in the sense of the patent application only those microstructures are understood which are arranged in the sense of a predetermined light emission behavior and for optimizing a desired light intensity distribution.
  • Light-directing microstructures in the sense of the patent application are not mere roughening of the surface of the tertiary optics, for example by etching or sandblasting, since in this way only diffusing, but not light-directing microstructures are provided.
  • the microstructures are formed by facets. This allows the individual predetermination and calculation of the surfaces of the facets.
  • At least some of the facets have a domed surface. This allows, for example, the realization of a desired light distribution by an appropriate choice of the curvature of the surface.
  • the surface of the facets is spherically curved. This allows recourse to conventional calculation methods.
  • the surface of some facets may be aspherically curved.
  • particularly optimized light distributions of the luminaire can be achieved, albeit under the requirement of complicated simulations.
  • the surface of at least some facets is cylindrically curved.
  • recourse can be made to calculation methods which are already used in the construction of facets having reflectors.
  • the surface of at least some facets is provided by a rotational paraboloid. This makes it possible in particular to achieve desired cut-off angles, and thus a sharp limitation of the light intensity distribution at the lateral edges.
  • the facets have a planar surface. This allows targeted light control of luminous flux components in certain solid angle ranges.
  • the planar surface is basically arranged inclined at an angle to the main emission of the LED's.
  • microstructures are advantageously arranged on the side of the element which faces the secondary optics.
  • the microstructures may also be arranged on the side of the element which faces away from the secondary optics.
  • the element is arranged at a distance from the secondary optics. This allows a particularly advantageous construction, in particular a fastening of the tertiary optics to a luminaire housing of the luminaire, independently of the attachment of the secondary optics to the luminaire housing.
  • the secondary optics impinges the tertiary optics with substantially parallel light beams.
  • This embodiment of the invention is based on a secondary optics, which bundles the light emitted by the LED's light in a particularly advantageous manner.
  • essentially parallel light beams those light beams are designated which, at least in a first approximation, are parallel to each other Secondary optics coming to meet the Tertiäroptik. This allows a particularly well predictable photometric processing of the LED light emitted by the secondary optics.
  • the element is formed by a flat plate. This allows the construction of a luminaire with a very compact design. Furthermore, a Tertiäroptik comprising an element with a flat plate, a photometrically optimized interaction with LEDs are ensured, which are arranged on a flat board.
  • the element is curved.
  • This embodiment of the invention can be used advantageously, for example, if the printed circuit board is arched or several boards or a plurality of LEDs are positioned and arranged relative to each other such that the total LEDs are arranged along a curved space surface.
  • the element has several sections which show different lighting behavior.
  • provision can be made, for example, for a first section to be arranged on an element, in which microstructures of the first type and a second section are arranged, in which light-directing microstructures of the second type are provided.
  • the light-directing structures of the first type can be formed, for example, by spherically curved facet surfaces and the microstructures of the second type by cylindrically curved facet surfaces. Any other arbitrary constellation of surface characteristics is possible.
  • the different sections may be formed contiguous. However, it can also be provided that the individual different facet surfaces are arranged according to a pattern that is not recognizable to the viewer. This pattern is only revealed in one deep understanding of the simulation method, which simulates the radiation behavior of the luminaire on a computer in advance of the construction of a corresponding tertiary optic.
  • the lamp is arranged stationary.
  • the board and the secondary optics are arranged within a lamp housing.
  • the tertiary optics is arranged within the luminaire housing.
  • the tertiary optics is arranged in the manner of a lamp terminating glass at or near or in the light exit opening of the luminaire.
  • the tertiary optics can be fastened with fastening means to a luminaire housing of the luminaire. In this way, for example, it can also be ensured that the tertiary optics can be detachably fastened to the luminaire housing. Finally, the replacement of a tertiary optic in such a way that the tertiary optics are designed as "exchangeable" tertiary optics can be ensured.
  • the invention further relates to a modular system for luminaires according to claim 12.
  • This invention has for its object to provide a modular system for lights, which are used for lights, the LED's, while allowing recourse to existing components and the replacement of only a few parts allows different radiation characteristics of luminaires.
  • the principle of the invention is to provide a modular system for luminaires, are illuminated with the building surfaces.
  • the modular system comprises a board on which a plurality of LEDs are arranged.
  • a secondary optics is provided, which bundles the light emitted by the LED's light.
  • the modular system comprises a first tertiary optic of a predetermined design.
  • Tertiary optics of a predetermined design are understood to mean such a flat, translucent element which has light-directing microstructures of the first type and which has a predetermined dimension. In the case of an element designed as a plate, this includes, for example, the dimension of the plate in width and height. In the case of a translucent element, which is curved, this includes, for example, its arch height and the diameter of the free edge.
  • the module system also includes a second tertiary optic of the same design.
  • the second tertiary optic is again formed by a flat translucent element. However, this has light-directing microstructures of the second kind.
  • the first tertiary optic is interchangeable with the second tertiary optic. Interchangeability in the sense of claim 12 means that the second Tertiäroptik can be fastened with the same attachment means to a lamp housing of the lamp as the first Tertiäroptik. The first tertiary optic can thus be detached from the luminaire and replaced by the second tertiary optic.
  • the second tertiary optic in the case of the element formed as a plate, a plate having the same dimension in width and height is used or in the case of a curved element, one with the same curvature height and the same diameter of the fine edge.
  • the microstructures of the second type enable a radiation characteristic of the luminaire modified in comparison with the microstructures of the first type. This means that the microstructures of the second type are formed changed with respect to the microstructures of the first kind. Individual or all surfaces of the individual facets are designed differently or positioned differently.
  • a first tertiary optic can be formed, for example, as a plate-shaped element with a lens structure which has numerous lens bodies as facets with a curvature which are curved around a first large radius, and a second tertiary optic which is of similar design. in which, however, the individual facets have a curvature that extends around a different, smaller radius. While the first element allows a Lichtabstrahl characterizing the light with a small beam angle, allows the use of a second Tertiäroptik the corresponding element a radiation characteristic of the lamp with a large beam angle.
  • the microstructures of the first type comprise facets with light-directing surfaces of the first type
  • the microstructures of the second type comprise facets with light-directing surfaces of the second type.
  • the microstructures of facets are provided.
  • the facets each have an individually predetermined and precalculated surface that can direct the light striking them. By choosing the type of surface and positioning the surface, the light steering can be done in the desired manner to achieve a desired light distribution of the lamp.
  • the first tertiary optics allow a first emission angle of the light emitted by the light and the second tertiary optics a second, different from the first emission angle radiation angle.
  • a radiation angle of the lamp can only be changed by replacing the Tertiäroptik.
  • a first luminaire can provide a spotlight distribution, a second luminaire a floodlight distribution, and a third luminaire a far-light distribution corresponding to a smaller, medium and large emission angle. All three lamps of this group have an identical external design and identical components and housing, with a different Tertiäroptik is provided as the only different component.
  • Fig. 1 shows a first embodiment of a lamp 10 according to the invention, wherein the luminaire housing has been omitted for clarity.
  • Fig. 1 shows a printed circuit board or board 11, on which three LED's 12a, 12b and 12c are shown arranged.
  • the circuit board 11 may for example be mounted on a support plate 13.
  • LED's components such as microprocessors, resistors, capacitors, electrical leads, cooling elements, etc .. Fig. 1 In this respect - as well as the rest of the figures - only to be understood schematically.
  • the LEDs 12a, 12b, 12c are according to Fig. 1 from a secondary optics 14 overlapped.
  • the secondary optics 14 is a plurality of lens bodies 15a, 15b, 15c formed of a transparent plastic.
  • the lens body as evidenced by the figures a respect Fig. 1 upwardly widening cross section.
  • the lens bodies are in Fig. 1 only shown schematically. They actually include a plurality of interfaces that cause the light emitted by the LEDs 12a, 12b, 12c to be focused.
  • Fig. 1 illustrates that, as for example by the light beam of the light beams 26, 27, 28 and 29, it is clear that of the LED's first light beam 26a, 27a, 28a, 29a emanates, which has a very wide distribution.
  • the light emitted by the LED 12c includes, for example, an emission angle of about 120 ° to nearly 180 °.
  • the corresponding, the LED 12c cross-lens body 15c has a plurality of interfaces, wherein in Fig. 2 only the interfaces 30a and 30b are shown.
  • the light beams Upon impingement of the respective light beams 26a, 27a, 28a, 29a, the light beams are totally reflected at the interface 30a and 30b such that a bundle of light beams 26b, 27b, 28b, 29b is emitted from the secondary optics 14 which is substantially parallel is aligned.
  • a tertiary optic 16 is arranged at a distance A from the secondary optics.
  • the distance A is between 1 and 100 mm. Further preferably, the distance A is between 10 and 80 mm, more advantageously between about 10 and 50 mm.
  • the Tertiäroptik 16 is in the embodiment of Fig. 1 formed by a plate-shaped translucent, ie transparent element. This can consist in particular of plastic.
  • Fig. 2 illustrates that the microstructures 18 are formed by a plurality of facets 19a, 19b, 19c, 19d, only a few of which are in Fig. 2 Also shown facets are designated.
  • the facets are equipped with a spherically curved surface 21 a.
  • the facet 19d may have a spherical surface 21a curved around a radius of curvature r.
  • the corresponding facet 19d may alternatively have a curved surface 21b which is curved around a radius of curvature R, where R is significantly greater than r.
  • FIGS. 2 to 4 are merely intended to illustrate that the microstructures 18 can be designed completely different and can be optimized adapted to the lighting requirement and to the desired radiation behavior of the luminaire.
  • the facets 19a to 19d can all be designed identically, for example.
  • the entire underside 17 of the tertiary optic 16 of a plurality of identical microlenses according to Fig. 3 be formed. All of these facets 19 can have a constant radius of curvature r to that extent.
  • all facets are equipped with a radius of curvature R which is different.
  • a luminaire 10 which uses a first tertiary optic 16 with numerous facets 19 with a radius of curvature r has a completely different light emission behavior than a luminaire which has a second tertiary optic 16 of identical construction but with changed microstructures 18, in which the curved surface 21 of the facets 19 a radius of curvature R used
  • Fig. 1 illustrates that when using microstructures of the first kind, a specific light emission behavior of the lamp is achieved:
  • the parallel light beam 26b, 27b, 28b, 29b is according to Fig. 1 expanded to a light beam 26c, 27c, 28c, 29.
  • the expanded beam angle is in Fig. 1 denoted by ⁇ .
  • a modified radiation angle can be achieved, which is correspondingly smaller when choosing a larger radius of curvature R of the surface 21 b of the facets.
  • the invention is not limited solely to use changed radii of curvature, thereby varying the radiation angle of the lamp. Instead, by positioning different facets and by forming individual surfaces 21 of individual facets 19, the invention intends to make entirely different light emission characteristics of the luminaire possible.
  • the light field contour and the intensity distribution within the light field contour can be changed in any way.
  • the surface topography of the bottom 17 of a first Tertiary optics in general may be modified compared to the surface topography of a second tertiary optic.
  • Fig. 5 illustrated in another embodiment that the board 11, the secondary optics 14 and the tertiary optics 16 are attached to a lamp housing 25 or installed within the lamp housing.
  • the fasteners and the electrical leads and other required electrical and electronic components and heatsink are in Fig. 5 for the sake of clarity not shown.
  • the luminaire housing 25 can be pivoted via a joint 23 relative to a wall-side mounting surface 24. Conventional attachment mechanisms of a luminaire housing 25 on a wall surface can be used.
  • the secondary optics 14 may include, for example, nine lens bodies 15a, 15b, 15c, 15d, 15e, 15f, 15g, 15h, 15i. Not shown in Fig. 6 the associated nine LEDs.
  • tertiary optics 16 of FIGS. 5 and 6 a circular disk-shaped component is. This has proven Fig. 5 Microstructures 18 of the first kind.
  • the tertiary optic 16 can be detached from the luminaire housing 25 and replaced by another tertiary optic with microstructures 18 of the second type. Since the microstructures of the second type are designed to be different from the microstructures of the first type, the lamp modified in this way can provide a modified light emission characteristic and shows a completely changed light emission behavior.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Finishing Walls (AREA)

Claims (13)

  1. Lampe (10) pour éclairer des surfaces de bâtiments, comprenant une platine (11) sur laquelle sont disposées plusieurs DEL (12a, 12b, 12c), une optique secondaire (14) qui focalise la lumière émise par les DEL, et une optique tertiaire (16), l'optique tertiaire étant formée d'un élément plat, translucide, lequel présente des microstructures (18) dirigeant la lumière, qui sont formées de facettes (19, 19a, 19b, 19c, 19d) dont les surfaces limites dirigeant la lumière sont formées de surfaces incurvées ou de surfaces planes, les facettes s'étendant le long d'une trame structurée, l'optique secondaire étant formée d'un ou plusieurs corps de lentille et l'optique secondaire étant disposée entre la platine et l'optique tertiaire.
  2. Lampe selon la revendication 1, caractérisée en ce qu'au moins quelques unes des facettes présentent une surface incurvée (21).
  3. Lampe selon la revendication 2, caractérisée en ce que la surface est courbée de manière sphérique.
  4. Lampe selon la revendication 2 ou 3, caractérisée en ce que la surface est courbée de manière asphérique.
  5. Lampe selon l'une des revendications 2 à 4, caractérisée en ce que la surface est courbée de manière cylindrique.
  6. Lampe selon l'une des revendications 2 à 5, caractérisée en ce que la surface est fournie par un paraboloïde de rotation.
  7. Lampe selon l'une des précédentes revendications, caractérisée en ce que l'élément (16) est disposé espacé (espacement A) de l'optique secondaire (14).
  8. Lampe selon l'une des précédentes revendications, caractérisée en ce que l'optique secondaire (14) alimente l'optique tertiaire (16) avec des rayons de lumière essentiellement parallèles.
  9. Lampe selon l'une des précédentes revendications, caractérisée en ce que l'élément (16) est formé d'une plaque plate.
  10. Lampe selon l'une des revendications 1 à 9, caractérisée en ce que l'élément (16) est réalisé incurvé.
  11. Système modulaire pour des lampes (10) pour éclairer des surfaces de bâtiments, comprenant une platine (11) sur laquelle sont disposées plusieurs DEL (12a, 12b, 12c), une optique secondaire (14) qui focalise la lumière émise par les DEL, et une première optique tertiaire (16) de forme de construction pré-définie, la première optique tertiaire étant formée d'un élément plat, translucide, lequel présente des microstructures (18) dirigeant la lumière de premier type, qui sont formées de facettes (19, 19a, 19b, 19c, 19d) dont les surfaces limites dirigeant la lumière sont formées de surfaces incurvées ou de surfaces planes, les facettes s'étendant le long d'une trame structurée, l'optique secondaire étant formée d'un ou plusieurs corps de lentille, et l'optique secondaire étant disposée entre la platine et l'optique tertiaire, une deuxième optique tertiaire étant prévue de la même forme de construction, la deuxième optique tertiaire étant formée d'un élément plat, translucide lequel présente des microstructures dirigeant la lumière de deuxième type qui sont formées de facettes (19, 19a, 19b, 19c, 19d) dont les surfaces limites dirigeant la lumière sont formées de surfaces incurvées ou de surfaces planes, les facettes s'étendant le long d'une trame structurée, la première optique tertiaire pouvant être interchangée avec la deuxième optique tertiaire, et les microstructures de deuxième type permettant une caractéristique de rayonnement, modifiée par rapport aux microstructures de premier type, de la lampe.
  12. Système modulaire selon la revendication 11, caractérisé en ce que les microstructures de premier type comprennent des facettes (19, 19a, 19b, 19c, 19d) avec des surfaces dirigeant la lumière (21 a) de premier type et les microstructures de deuxième type, des facettes avec des surfaces guidant la lumière (21 b) de deuxième type.
  13. Système modulaire selon la revendication 11 ou 12, caractérisé en ce que la première optique tertiaire (16) permet un rayonnement lumineux de la lampe en dessous d'un premier angle de rayonnement (α) et en ce que la deuxième optique tertiaire permet un rayonnement lumineux en dessous d'un deuxième angle de rayonnement, différent du premier angle de rayonnement.
EP09015635.7A 2008-12-30 2009-12-17 Lampe Active EP2204604B1 (fr)

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DE102008063369.0A DE102008063369B4 (de) 2008-12-30 2008-12-30 Leuchte und Modulsystem für Leuchten

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EP3671026A1 (fr) 2018-12-21 2020-06-24 ERCO GmbH Luminaire
DE102018133386A1 (de) 2018-12-21 2020-06-25 Erco Gmbh Leuchte

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EP2204604A1 (fr) 2010-07-07
DE102008063369A1 (de) 2010-07-08
SG162712A1 (en) 2010-07-29
CN101806411B (zh) 2014-11-26
DE102008063369B4 (de) 2016-12-15
ES2535636T3 (es) 2015-05-13
US9494292B2 (en) 2016-11-15
CN101806411A (zh) 2010-08-18
AU2009251062A1 (en) 2010-07-15
US20100165623A1 (en) 2010-07-01

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