EP1411294B1 - Réflecteur avec une surface structurée et luminaire ou système d'éclairage indirect comprenant un tel réflecteur - Google Patents

Réflecteur avec une surface structurée et luminaire ou système d'éclairage indirect comprenant un tel réflecteur Download PDF

Info

Publication number
EP1411294B1
EP1411294B1 EP03023538A EP03023538A EP1411294B1 EP 1411294 B1 EP1411294 B1 EP 1411294B1 EP 03023538 A EP03023538 A EP 03023538A EP 03023538 A EP03023538 A EP 03023538A EP 1411294 B1 EP1411294 B1 EP 1411294B1
Authority
EP
European Patent Office
Prior art keywords
reflector
light
region
recesses
projections
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.)
Expired - Lifetime
Application number
EP03023538A
Other languages
German (de)
English (en)
Other versions
EP1411294A3 (fr
EP1411294A2 (fr
Inventor
Joachim Leibig
Uwe Slabke
Alf Günther
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram SBT GmbH
Original Assignee
Siteco Beleuchtungstechnik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siteco Beleuchtungstechnik GmbH filed Critical Siteco Beleuchtungstechnik GmbH
Priority to DE20320375U priority Critical patent/DE20320375U1/de
Publication of EP1411294A2 publication Critical patent/EP1411294A2/fr
Publication of EP1411294A3 publication Critical patent/EP1411294A3/fr
Application granted granted Critical
Publication of EP1411294B1 publication Critical patent/EP1411294B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/005—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting
    • F21S6/007—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting for indirect lighting only, e.g. torchiere with reflector bowl directed towards ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
    • 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
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/40—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of hollow light guides
    • 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

Definitions

  • the invention relates generally to reflectors and, more particularly, to reflectors for secondary illumination systems, general reflectors, in which the reflecting surface is incorporated into reflective individual areas, e.g. Facets, is decomposed.
  • the reflection surface of a reflector is divided into a plurality of small areas, each having certain reflective properties.
  • a reflection characteristic can be achieved which is difficult or impossible to achieve with a smooth surface.
  • the mirror image of the light source is also broken down into many small points of light, which reduces glare for a viewer. This applies in particular to secondary illumination systems, such as those of the type used in the EP 0 735 311 A1 or the EP 0 479 042 A2 are disclosed.
  • the elements of the reflector for deflecting or widening of the light beams usually consist of convex or concave mirror elements which have a smooth course over their surface without discontinuities. Discontinuities occur at most at the interface between mirror elements.
  • the known mirror elements are three-dimensional elements which are either formed in a metal surface or molded from plastic and provided with a reflective coating. Such structures are disadvantageous because of their uneven surface and their depending on the radius of curvature and purpose partially large volume, which forms an increased wind attack surface especially in Sekundärbeleuchtungssystemen in the outdoor area.
  • British Patent 334,891 discloses a circular lamp having a centrally located lamp and a curved reflector having annular facets arranged symmetrically with respect to the central axis of the reflector, which deflect the light of the lamp so that the light is radiated downwards in parallel.
  • GB 2 149 079 A discloses a Fresnel-like reflector having circular concentric structures which reflects the light of a lamp located below the reflector as a light source.
  • DE 44 06 458 A1 discloses a reflector for indirect room lighting, which is composed of a plurality of reflection elements.
  • the reflection elements consist of a light-dispersing material and have a curved surface and a flat base surface, which is provided with a reflection layer.
  • a reflector in particular a reflector for secondary illumination systems, according to claim 1 or 2.
  • a reflector according to the invention has a plurality of non-overlapping reflection regions, wherein at least a part, preferably each of the reflection regions has at least one refractive or light-reflecting surface on the one light-guiding reflection region structure of elevations and / or depressions is formed, wherein an edge of at least two unconnected elevations or depressions of the reflection region structure follows in each case a line.
  • each of these two lines extends in two dimensions; So they do not form a straight line, but a curved line, a polygon or the like.
  • the reflector according to the invention need not necessarily be reflective over its entire surface, but may also contain light-transmitting and / or light wholly or partially absorbing areas.
  • the reflector according to the invention need not necessarily be the only reflector in a luminaire, but may cooperate with other reflectors or form a partial reflector of a larger reflector or a part of a larger optical component.
  • the reflection areas may be completely or partially different in terms of their shape and / or optical properties. Preferably, they may be perceived as separate regions in optical perception upon reflection of light.
  • the invention can provide that one elevation or depression either completely surrounds the other or at least partially surrounds it. It can be provided in particular that the one survey or depression is concave with respect to the other.
  • concave in this context is not necessarily to be understood a concave curvature, but in general a line shape, which defines a depression, which need not necessarily be smooth, but also discontinuities, as in a polygon, may have.
  • That the two projections or depressions are not connected to each other means that the inner elevation or depression is separated on all sides by a portion with a lower or higher level of the outer elevation or depression.
  • no boundary line, which limits elevations or depressions may be wholly or partially common to both elevations or depressions.
  • the outer of the two protrusions limits the structure.
  • At least one of the two elevations or depressions within a reflection area structure is branching and / or crossing-free, i. there is no further elevation or depression in the reflection area structure which crosses one of these two elevations and / or flows into them or into which one of these two elevations flows.
  • the invention can also provide that the two elevations or depressions are offset from all other elevations or depressions of the reflection area structure, ie. between them and the other elevations or depressions is always a section of lower or higher levels.
  • the reflection area structure is limited to the respective reflection area.
  • the reflector consists of a material with an at least partially directionally reflecting surface, which is structured in the various reflection regions as described above.
  • the surface is completely reflective, that is designed to be reflective.
  • it may also be designed such that only part of the light is reflected in a directionally direction and the remaining part of the light is reflected diffusely, the proportion of the directionally reflected light in the total reflected light according to the preferred embodiments of the invention being greater than or equal to 50%. , in particular greater than 70%.
  • the corresponding shaping of a homogeneous material can be problematic in terms of manufacturing technology.
  • the invention can therefore provide that the reflector in the said reflection regions consists essentially of a body of a moldable material, for example glass, plastic or the like, which has the reflection region structure on an outer surface, and which forms the light incident surface for the reflection region with an outer surface while the light incident surface or the light incident surface is opposite Surface is provided with an at least partially, preferably completely directionally reflecting coating, such as a VerLiteungstik, or, more generally, has an interface with a wholly or partially directed reflective material.
  • a reflector according to the invention has a transmission body in the region of one or more of the reflection regions into which light can enter and exit and which has a light incidence side and a side opposite the light incidence side, and a reflection device which has light entering the body in the region of the light incidence side reflected back into the body.
  • the transmission body consists essentially of a translucent material. It may, but does not have to be translucent, but may also be suitable, e.g. be formed by a reflective coating, as a reflector or mirror.
  • the invention may provide that the light incident side opposite side of the transmission body has at least in one of said reflection areas an interface to a light wholly or partially directed reflecting material and preferably with a directionally reflective coating, in particular a fully reflective coating is provided.
  • the reflective side of the transmission body need not necessarily be coated, but may also directly adjoin a volume-shaped reflective body, so that an interface between the translucent material of the transmission body and a reflective body is formed. If the side of the transmission body opposite the light incidence side is structured, it can also be provided, for example, that the recesses of the structure are filled with a reflective material and the level surface thus formed is optionally provided with a further layer of reflective material, so that altogether on the side opposite the light incidence side creates a smooth surface.
  • the invention may provide that the light incident side opposite side of the transmission body is transparent and on this side a reflective body, preferably provided with a smooth surface, in particular a directionally reflecting reflector, adjacent to the transmission body, which is the light emerging from this side in the transmission body reflected back.
  • the reflecting body may be connected directly to or from the transmission body, e.g. be separated by a slight air gap.
  • the invention provides in a first embodiment, that the said reflection region structure is formed on the light incident side of the transmission body in at least one reflection region of the reflector.
  • the invention provides in a second embodiment that the reflection area structure is formed in at least one reflection area on the side opposite the light incident side.
  • the invention may provide that the reflection region structure is formed in a transparent surface and acts refractive.
  • the invention can provide that the light incident side opposite side of the transmission body in at least one reflection region has the said reflection region structure and is completely reflective, in particular fully directed reflective.
  • the invention can provide that the light incident side of the transmission body in at least one reflection region, preferably all reflection regions, is smooth.
  • This embodiment of the invention has the particular advantage that the light incident surface of the reflector is completely smooth, which makes them insensitive to contamination and mechanical effects and facilitates cleaning.
  • the Protected for the optics of the reflector important reflection area structure in that it is located on the inside of the transmission body.
  • the invention may provide in particular that the transmission body is arranged on a support plate. This gives the reflector stability while protecting the side facing away from the light incident side of the transmission body side. This is particularly advantageous when the structured side of the transmission body is remote from the light incident side.
  • the light-conducting body is directly adjacent to the support plate.
  • the light-conducting body can be enclosed on the sides by the support plate or a housing in such a way that any space between the support plate and the transmission body, possibly caused by the reflection area structure, is closed to the outside.
  • the invention may provide that one or more areas of reflection are bounded, in whole or in part, by the edge or edge of a body which contains on its surface one or more reflection area structures.
  • the invention may provide that one or more regions of reflection are bounded, in whole or in part, by a region of a body which has on one surface one or more reflection area structures which have no elevations or depressions and transverse to the lines of the ridges or soles of Elevations or depressions of the associated reflection region structure runs and limits these elevations or depressions with respect to their longitudinal direction.
  • the invention may provide that one or more reflection regions are bounded by the edge of a self-contained elevation or depression.
  • the invention may also provide that one or more, in particular all reflection areas are each formed on the surface of each of a body, wherein the respective body or bodies each have only one reflection region and wherein the limits of the reflection range in this case, preferably with the Edge of the surface of this body, which forms the reflection area, coincide.
  • the invention may provide that an edge of at least two elevations or depressions either follows either a closed line or forms a closed line together with the edge of the reflection region, such that the one elevation or depression the other either alone or together with the edge of the Completely surrounds reflection area. It can be provided in particular that the enclosed survey or depression is limited in part by the said closed line.
  • the encircled bump may adjoin the edge of the reflective area which, along with the edge of the bump or pit, forms the closed line surrounding the bump.
  • the invention may provide that an edge of a plurality of protrusions or depressions of one or more reflection area structures follows a line corresponding to the projection of a contour line of a three-dimensional, preferably convexly or concavely curved imaginary body, whose base area is identical to the area of the reflection area, on its base area ,
  • the invention may provide that the reflection areas are uniform with respect to the two-dimensional shape of their edge (not necessarily with respect to the structure of projections and / or depressions formed thereon), or that at least a plurality of reflection areas have the same two-dimensional shape of their edge, in particular the same outline shape and the same size.
  • the reflection areas are uniform with respect to the two-dimensional shape of their edge (not necessarily with respect to the structure of projections and / or depressions formed thereon), or that at least a plurality of reflection areas have the same two-dimensional shape of their edge, in particular the same outline shape and the same size.
  • the same structure of elevations and / or depressions may be present in different reflection regions.
  • this structure in each case the same or, according to an alternative embodiment , can be differently oriented.
  • the reflection regions have different structures or have structures with the same topology but different orientation.
  • the openings defined between the endpoints of the line may point in a reflection area in a different direction than in another reflection area, even though the lines themselves are within the reflection area have the same topology.
  • the ratio of the two reflection ranges may be such that one reflection range can be generated by rotation of the other reflection range.
  • the invention may provide that, for at least two peaks or valleys, one edge, which is not identical to one edge of the other depression, extends over a partial area of an imaginary closed line, wherein one of the two imaginary closed lines completely surrounds the other and the subregion on which the edge of the respective protrusion extends is defined by adjacent intersections with a third imaginary closed line (border line) which intersects the first and second closed imaginary lines.
  • This third imaginary line effectively forms a frame with which the portion of the two imaginary closed lines which is to be converted in the reflection area structure in the form of an elevation or depression is cut out.
  • the third imaginary closed line may coincide with the boundary of a reflection area.
  • the invention can provide that a plurality, preferably all elevations and / or depressions of a reflection area structure are closed in themselves or open at their ends into the edge of the reflection area.
  • the invention may also provide that the reflection area structure has a central portion bounded on all sides by a protrusion or depression, and the reflection area structure outside of this central area consists entirely of protrusions and depressions separated from each other and each of a closed line or a line terminating at its ends in the edge of the reflection area and forming a closed line together with the edge of the reflection area, each of these peaks and valleys, alone or together with the edge of the reflection area, enclosing the central area and each of these elevations or depressions of all bumps or pits located outside the area enclosed by it, on all sides that do not coincide with the edge of the reflection area.
  • the invention may also provide that a reflection region structure has an edge region which is delimited on those sides on which it is not bounded by the edge of the reflection region by a projection or depression separate from it, and the reflection region structure outside of this edge region is completely defined by elevations and There are depressions which are separated from each other and each of a line, which ends at the ends in the edge of the reflection region and forms a closed line with this, follow, each of these projections or recesses enclosing the said edge region together with the edge of the reflection region and each of these bumps or pits of any bumps or pits located outside the area enclosed by it is enclosed on all sides along with the edge of the reflective area.
  • the invention may provide that, in a reflection area structure, one elevation or depression lies completely outside the area enclosed or enclosed by another elevation or depression. It can be provided in particular that the survey or depression which encloses a second survey or depression completely or partially or at least concave with respect to this and with this second elevation is not connected, outside of the area which is enclosed by this elevation and an imaginary straight line connecting the two end points of the second elevation or depression. Conversely, it can also be provided that the second elevation or depression, which according to the invention is completely or partially enclosed by a first elevation or depression or with respect to which the first elevation or depression is concave, lies within that area which passes through the first elevation Elevation and an imaginary straight line connecting the two end points of the first survey or depression is included.
  • the invention may provide that the elevations and / or depressions outside the central region or edge region are at least partially concentric and / or parallel to one another.
  • the invention can provide that the elevations and / or depressions lying outside the central area or edge area have at least partially a circular shape.
  • these elevations or depressions may also have another closed geometric shape, e.g. have an ellipse, a square, a rectangle or other polygon or the like, or the shape of a portion thereof.
  • the invention may provide that the central region or edge region has a concave or convex surface to the outside.
  • this surface is preferably convexly curved outwards.
  • this reflective surface is the surface of a transmission body opposite to the light incident surface, it is preferably concave to the outside (that is, convex toward the light incident side).
  • the invention may provide that the elevations and / or depressions outside of the central region or edge region in a cross-section perpendicular to the direction of the line which follows the elevation or depression, are formed like a jag.
  • the said reflection region structure corresponds to the structure of a Fresnel lens.
  • the refractive reflection region structure does not have to act as a Fresnel lens, i. be formed in a transparent interface of a body. It can also be formed in a reflective surface so that it forms a reflector which is structured similar to a Fresnel lens.
  • a facet structure of a known type can be converted into a reflector structure according to the invention by forming the facet on the one hand in layers of substantially uniform thickness and on the other hand in (not necessarily circular cylindrical) cylinder sections perpendicular to the base side of the facet whose base is intersected by the line of intersection of the lower and Top of a layer with the surface of the facet is defined, subdivided and maintained in each of these cylinder sections only the top of the layers and arranges on the base level of the facet.
  • This principle is schematic in Fig. 1 illustrated.
  • Fig. 1 merely illustrates the general basic idea of the construction of a reflection region structure according to the invention. As a rule, it will be necessary to optimize the contour of the individual sections of the reflection area structure so that the reflection properties of the reflection area structure substantially correspond to the reflection properties of the original facet.
  • the invention may provide that the height of the elevations of the reflection area structure, based on a parallel to a smooth imaginary or real area, which forms an envelope of the light incident surface in a reflection area, at least predominantly have the same height.
  • elevations can only have a certain maximum height or depth and, if necessary, the number of elevations or depressions must be increased in order to provide greater light guidance, as is the case, for example, with a more curved spherical cap. to simulate. In this way it is possible to produce flat reflecting elements, which simplifies the construction, design and maintenance of the reflector.
  • the width of the elevation and / or depression, based on a cross section perpendicular to a tangent to the line following the elevation is in a range of 0.1 mm to 10 mm.
  • the dimensions of the reflective areas may range from 40 mm x 40 mm to 4000 mm x 4000 mm, in particular 40 mm x 40 mm to 350 mm x 350 mm, according to certain embodiments of 40 mm x 40 mm to 150mm x 150mm, in another embodiment about 300mm x 300mm.
  • the reflection areas are square and in this case the preceding measures indicate both the area and the edge length
  • the reflection areas may also have other shapes, eg a rectangular shape, a hexagon shape, the shape of a circle segment or the shape of a ring or ring portion
  • the area of these areas is equal to the area implied by the preceding measures, and thus, according to certain embodiments, may be in the range 16 x 10 2 mm 2 to 16 x 10 6 mm 2 .
  • the reflector or partial sections of the reflector can be flat. This is particularly advantageous when used in secondary illumination systems. However, in certain embodiments, the reflector or sections of the reflector may also be curved or otherwise shaped.
  • a reflector according to the invention can be constructed from a plurality of reflection regions, which adjoin one another directly and are preferably arranged regularly, similar to a facet reflector.
  • the individual reflection areas can act like facets. In particular, in the case of reflection, they can act, at least in some, preferably in all viewing directions, like individual light sources which each appear limited to the respective reflection region.
  • the reflection area structure may be repeated periodically in one or two directions, wherein the reflection area structures of adjacent reflection areas may also adjoin one another directly.
  • the boundary between the reflection regions are defined by the line (s) at which the structure (s) begin to repeat each other.
  • the invention can provide that at least a part of the reflection areas are respectively defined by a transmission body having exactly one reflection area structure with at least two unconnected elevations or depressions, one of which surrounds the other at least partially and / or concave to this ,
  • the individual transmission bodies can be interconnected. You can e.g. be integrally formed with a connecting them supporting portion of the reflector.
  • the reflector can be structured in a facet-like manner, the reflection regions corresponding in each case to one facet, except that in this case the facets of the reflector are not provided with a curvature but with the reflection region structure described above.
  • the invention may provide that the reflection areas are defined by a body of a translucent or opaque material on a surface a plurality of reflective area structures are provided by elevations and depressions, which have at least two mutually separate elevations or depressions, one of which surrounds the other at least partially and / or concave thereto, wherein each of the reflection area structures compared to other reflection area structures by a preferably self-contained elevation or depression, which is separate from other surveys or wells.
  • the reflection regions are at least partially bounded by the outer line of the respective reflection region structure and thus defined. Since the outer elevation or depression, which delimits the reflection area, does not cross or converge with other elevations or depressions, but if at most its edge coincides with an edge of an adjacent elevation or depression, the corresponding reflection area of the reflector is clearly delimited.
  • the reflection area structure has a plurality of self-contained protrusions surrounding each other, the outermost one of these protrusions defines the edge of the reflection area.
  • no bump or pit of a reflective area can enclose, intersect, or flow into a bump of the reflective area structure of another reflective area in the sense of a closed line.
  • the invention can also provide that a plurality of reflection regions with different reflection region structures are realized on the surface of a body.
  • This body can form the reflector as a whole or be part of a larger, composed of several such bodies reflector.
  • the invention provides, in particular, reflectors which are used for lighting tasks in which luminous fluxes of more than 1000 lumens are emitted, at least in certain directions, and in particular also provide luminaires or lighting systems for such lighting tasks, in which one or more light sources with one cooperate reflector according to the invention.
  • invention Lights in which a reflector, as described above, can be used, in particular table lights, surface and recessed lights, pendant lights, floor lamps, wall lights or outdoor lights can be. Lighting tasks that can be solved with a reflector according to the invention or a luminaire according to the invention, in particular space illumination, street lighting, Fassadenanstrahlung or a combination of these three applications, also freeform illumination, roundabout lighting or a point illumination (spot).
  • a particularly advantageous application of the invention in Sekundärbeleuchtungssystemen especially when the reflector of Sekundärbeleuchtungssystems is flat, and generally lighting arrangements with a reflective component and a light-emitting component, which are separated or spaced apart.
  • the invention provides a secondary illumination system having a light source and a reflector spaced from the light source which reflects the light emitted by the light source into a spatial region to be illuminated, characterized in that the reflector is formed as described above.
  • the secondary reflector of Sekundärbeleuchtungssystems be arranged on a ceiling of a room or suspended from the ceiling, while designed as a projector light light source is located near the ground or buried in the ground or at least spaced from the ceiling.
  • the secondary reflector may also be fixed to a frame or to a mast, wherein in a lower region of the mast or frame, offset from the secondary reflector, e.g. by 1 to 15 m or more, one or more launchers are arranged as light sources.
  • the distance between the light source of the secondary illumination system, which may be in particular a projector light, and the reflector between 0.1 m and 50 m, with distances of about 0.1 m to 3 m, especially in the interior lighting area are used while larger distances, such as distances of 3 m or more, will be used outdoors in particular.
  • larger distances than 3 m can occur even at high internal spaces, while in outdoor luminaires where the projector lantern is mounted at the end of a mast, the distance from the reflector may well be in the range of 0.1 m to 1 m.
  • the invention is not limited to the use of such reflectors in Sekundärbeleuchtungssystemen, but can be used in particular in direct-beam luminaires, especially as a roof or side wall reflector in lights with lateral light coupling, optionally in conjunction with a refractive structure on or in the vicinity of the light exit surface , or in conventional lights, in which the light source is arranged in a reflector.
  • direct-beam luminaires especially as a roof or side wall reflector in lights with lateral light coupling, optionally in conjunction with a refractive structure on or in the vicinity of the light exit surface , or in conventional lights, in which the light source is arranged in a reflector.
  • it can be provided, in particular, that one, several or all sides of the reflector are completely or partially planar.
  • the light-directing properties of the reflector are determined by the structure of elevations and / or depressions and not by a specific curvature of the side wall, it is according to the invention not necessary to use curved reflector walls, as they are otherwise commonly used. On the one hand, this increases the design options. For example, it is possible to produce luminaires with a four-cornered, hexagonal, octagonal or otherwise polygonal light-emitting surface with plane reflectors according to the invention, which have similar properties to conventional round luminaires with a curved reflector.
  • the production is simplified, since it is possible to achieve different Lichtabrahleigenschaften with basically the same structure of the reflector by different planar reflector elements.
  • a plurality of inventively constructed reflectors are accommodated in a supporting structure, which together form a luminaire reflector and optionally also interchangeable. It is also possible to realize a series of luminaires with the same basic construction, in particular with the same structure of the reflector, which differ only by a different structuring of the reflector surface.
  • a reflector according to the invention or a luminaire according to the invention can in particular produce a shielded luminous intensity distribution, for example for computer workstations (BAP), a low-beam or wide-beam light intensity distribution.
  • BAP computer workstations
  • the effect of a light grid with reflective slats can be achieved by providing a body with reflective and translucent sections that correspond to the slats of a grid or the spaces between the slats, so for example stripe-shaped reflective areas that correspond to the slats and which alternate with also strip-shaped translucent areas corresponding to the spaces between the slats.
  • this sequence of strip-shaped translucent and reflective sections can be supplemented by a frame-shaped reflective area surrounding these sections, which corresponds to the side reflectors in the case of a luminaire with a grid or side reflectors of the grid.
  • the reflective areas may be formed as reflectors with elevations and / or depressions in the manner described above, which emulate the reflection effect of the slats or the side reflectors.
  • the invention also provides a reflector having one or more reflective areas each having at least one refractive or light-reflecting surface on which a light-directing reflection area structure of protrusions and / or recesses is formed, wherein at least one reflection area or a combination of multiple reflection areas is at least approximately the reflection properties of a wall, in particular a side wall of a lamella, in particular a three-dimensional lamella having.
  • the reflector can also have two mutually opposite sides, which are each provided with one or more reflection regions according to the invention, which have at least approximately the reflection properties of mutually opposite side walls of a lamella. It can also be provided in particular that the reflector is designed three-dimensionally and in addition to the two side walls also has a roof wall, wherein the side walls and optionally the roof wall in accordance with the invention are designed such that they have the reflection properties of a corresponding blade at least approximately.
  • the one or more reflection areas which have the reflective properties of a wall of a lamella, emerge from a Fresnel construction of the lamella, as in FIG. 1 is illustrated and explained above.
  • the reflection area structure or the reflection area structures which emulate the lamella contain parallel elevations and / or depressions, concentric circular or arc sections or the like.
  • the reflector in one or more reflection regions which emulate the properties of a wall of a lamella, the reflector consists of a light-transmissive material and is provided on a surface with a structure according to the invention, wherein at this structured surface or adjacent thereto or at the opposite surface, a reflective layer or a reflective body is present, in particular a specularly reflective layer.
  • the reflective layer may be spaced from the patterned surface and separated by the translucent material. If, for example, only one wall of a lamella is to be emulated, it is possible according to the invention to structure a surface of a light-permeable body and to mirror this surface or the opposite surface.
  • a reflector If you want to emulate two opposite side of a lamella by a reflector according to the invention, you can combine two such reflectors, which are structured on a surface and provided on the opposite surface with a reflective coating, back to back. Accordingly, one proceeds, if one additionally wants to emulate a curved roof wall of a lamella or possibly other, in particular curved sections of a lamella.
  • a plurality of reflectors or combinations of reflectors are arranged at a distance from one another are.
  • these reflectors or combinations of reflectors can be separated from one another by light-permeable areas, which in particular can consist of the same base material as the base material of the reflectors.
  • light-permeable areas which in particular can consist of the same base material as the base material of the reflectors.
  • these reflectors or combinations of reflectors are separated by free spaces.
  • each having optical properties similar to or identical to those of a lamella, a side reflector and / or other components of a grid and to assemble a reflector arrangement from these parts, which in terms of their optical properties of a conventional Corresponds to grid and in particular parts or sections that correspond to their optical properties fins, and / or parts or sections that correspond in terms of their optical properties side reflectors of a grid or other components of a grid.
  • the structures which define the reflection regions according to the invention may vary with regard to their diameter, their shape and also with regard to the curvature of the elevations or depressions. Both symmetrical structures and structures are possible, which go back to free-form surfaces (cf. Fig. 1 ).
  • the invention is based on the surprising discovery that the conventional facet elements, which require a relatively large volume and an education in three dimensions, can be replaced by a flatter structure, which is based essentially on a two-dimensional basic structure along which protrusions and depressions are formed , This results in a lower weight and, when used outdoors, a lower windage area. At the same time this also opens up the advantageous possibility to design the reflector so that it is less susceptible to contamination and can be easily cleaned.
  • Fig. 2 schematically shows a generally designated 1 reflector according to the invention, on the two ends of reflection regions 3 are formed for the purpose of explanation.
  • the reflector has a base plate 5 which serves essentially as a support plate and is intended to provide stability to the entire structure. In the illustrated embodiment, this support plate 5 has no optical function.
  • a body 7 made of a translucent material, for example by gluing or by a mechanical attachment is attached, which has a smooth surface 9 on the side facing away from the support plate 5 and a structured surface 11 on the support plate 5 facing side.
  • recesses 13a to 13c and 15a to 15c are formed (see. Fig. 3 ) each having a substantially vertical inwardly facing wall and a curved outwardly facing wall.
  • the surface 11 is mirrored. In the area 17 between the two structures, the surface 11 may also be mirrored. However, it may be desirable to cause no reflection in the region 11 in order to optically separate the individual regions 3 from one another. In this case, the surface 11 or the opposite surface of the support plate 5 is provided in this region 17 with a light-absorbing or light-scattering coating.
  • the surface 9 forms the light incident surface of the reflector. Light which is incident on this surface enters the body 7 and is reflected at the interface in the region of the depressions 13a to 13c and 15a to 15c, respectively, so that it exits again at the surface 9.
  • the recesses 13a to 13c and 15a to 15c are corresponding to the in Fig. 1 illustrated design principle designed so that they act as a three-dimensional curved surface, such as a spherical cap.
  • the drawings are neither true to scale nor is the shape of the recesses 13a to 13c or 15a to 15c reproduced in realism. These were shown only schematically for illustration.
  • the reflector 1 acts like a faceted reflector with spherical caps, as in Fig. 1 are shown. Unlike a dome reflector, however, it has a smooth surface 9 and can be made much flatter.
  • the plate 7 has a thickness in a range of 0.1 mm to 5 mm. This leads to correspondingly flat reflector walls.
  • Fig. 4 shows a modification of the reflection area structure in which the outer recesses have no closed shape.
  • the depressions denoted here by 21a and 21b which correspond to the recesses 13a and 13b or 15a and 15b respectively, in this embodiment have a horseshoe shape whose open side points to an unstructured region 23.
  • the cross section of the Fig. 5 in that each of the depressions 21a and 21b is delimited by a vertical wall 25 on the side adjacent to the unstructured region 23.
  • the cross section of the structure corresponds to that of the recesses 13a and 13b of FIG Fig. 3 ,
  • the region 21c can have a maximum in its interior, as is the case with the recess 13c, or have its maximum at the edge adjacent to the unstructured region 23.
  • the body 5 may be provided with a structure which acts refractive or light-reflecting both on the light incidence surface 9 and on the side opposite the light incidence surface.
  • the surface 11 is not mirrored and the support plate 5 is formed completely or in the region of the structures 13a to 13c and 15a to 15c mirrored. It could also be provided that the area of the recesses 13a to 13c or 15a to 15c is filled in volume with a reflective material, so that a smooth interface to the support plate 5 is formed.
  • the reflection area structures formed by the recesses 13a, 13b, 13c, as shown separated from each other by the intermediate area 17, may also directly adjoin these areas, such that a portion thereof may be adjacent to each other of the edge of a depression 13a of a reflection region 3 simultaneously forms part of the edge of the depression 13a of the next reflection region.
  • a secondary illumination system may have a construction identical to that of the structure described in, for example, US Pat EP 0 735 311 A1 or the EP 0 479 042 A2 is described and illustrated, to which reference is made for further details, wherein only the secondary reflector is formed in the manner according to the invention described above.
  • such a secondary illumination system has a projector light and a secondary reflector arranged at a distance from the projector lantern and designed in accordance with the invention.
  • the various individual reflectors are formed in the manner according to the invention or also correspond to each reflection regions in a reflector according to the invention.
  • these individual reflectors or units with multiple individual reflectors are adjustable. According to a possible embodiment, these individual reflectors or units may also be exchangeable, so that they can be used in situ, depending on the desired Lichtabstrahl characterizing to produce a certain illumination intensity distribution.
  • the light-emitting properties of the secondary illumination system can be changed.
  • Fig. 6 to 8 illustrate embodiments of such secondary illumination systems.
  • a secondary lighting system is designed as a table lamp, wherein the reference numeral 30 denotes a table, the reference numeral 32, a projector, the reference numeral 34, a reflector according to the invention and the reference numeral 36, the illuminated surface.
  • the distance between the projector light 32 and the reflector 34 may be 0.1 m to 0.5 m.
  • Fig. 7 shows a secondary illumination system in which below a ceiling 40, a projector light 42 is mounted, which irradiates light on a reflector 44 formed according to the invention, which reflects the light to the adjacent wall, wherein the reference numeral 46 denotes the illuminated surface.
  • Fig. 8 shows an example of application in the outdoor lighting sector.
  • the reference numeral 50 designates a mast
  • the reference numeral 52 designates a projector lamp
  • the reference numeral 54 designates a reflector according to the invention, which reflects the light which is irradiated onto it from the projector lamp 52, into different areas.
  • Fig. 8 various lighting tasks are illustrated, which can be solved with the reflector of the invention.
  • the area denoted by A denotes the illumination of a road, that is to say the illumination of a strip-shaped elongated terrain section.
  • the area marked B illustrates the illumination of a square and the area marked C illustrates the illumination of a facade.
  • the area around the mast is relatively dark and an annular portion is illuminated around this dark area.
  • the corresponding reflector structures can be calculated by known methods, for example ray tracing.
  • Another design option would be, for example, to implement in the center of the reflector 54 a Fresnel reflector which emulates a convex spherical reflector, but in this case more powerful than a spherical reflector, light rays traveling at a small angle of inclination to the mast 50 to the reflector 54, to reflect at a relatively large angle to this mast.
  • Fig. 9 is a schematic cross-section of a lamp according to the invention shown, which has a light guide 60, in which from the sides of light from light sources 62, in particular lamps, is coupled.
  • the light guide 60 has a cavity 64, a reflector 66 and optionally side reflectors 68 and can be completed on its roof reflector 66 opposite side by a translucent cover 70, for example, a translucent plate.
  • the lamps 62 are preferably associated Einkoppelreflektoren 72, which surround the lamps on the side remote from the light guide 60 side and the light incident on them preferably completely in the light guide 60, ie in the cavity 64, to the reflectors 66 or 68 or directly to reflect the cover 70.
  • the cover 70 may be provided with a refractive light-directing structure, as shown in FIG EP 1 065 436 A1 ( EP 99 125 646.2 ) or EP 1 106 916 A2 ( EP 00 126 203.9 ) is described. It can also be provided refractive, light-guiding structures, as shown in the EP 0 846 915 A1 be proposed for generating a shield, in turn on U.S. Patent 5,555,109 respectively. U.S. Patent 5,396,350 f for further details regarding the corresponding structures.
  • the roof reflector 66 may be designed so that it limits the radiation substantially to a certain angular range, based on a perpendicular to the light exit surface.
  • Fig. 10 schematically shows an embodiment of a lamp in which a lamp 90 is disposed over a reflector assembly 92.
  • the reflector assembly 92 includes individual reflectors 94 which each have planar sidewalls which are structured in the manner previously described so as to emulate the reflective properties of the sidewalls of a grid lamella, optionally also the roof wall of a grid lamella. Between the reflectors 94 are, as in a normal grid, translucent areas, which may be, for example, spaces between the reflectors 94. In Fig. 10 only the narrow sides of the reflectors 94 can be seen, but not the structured side walls according to the invention.
  • Fig. 10 can be supplemented by another circumferential planar reflector, which in the inventive manner, for example, by a Fresnel construction, is structured so that it emulates the reflection properties of the side reflectors of a grid.
  • This reflector surrounds, as in a normal grid, the reflectors 94 which correspond to the slats, but with the difference that this frame-like reflector to Its reflection surfaces, except for the elevations and depressions, which form the structure on its surface, is flat.
  • the invention is not limited to reflectors for secondary illumination systems, but rather finds application in all areas in which faceted reflectors, in particular with facet-shaped facets are used. In the specific lighting application, therefore, the light source does not necessarily have to be spaced from the reflector, but may also be arranged in this.
  • FIG. 12 illustrates a luminaire in which a lamp 100 is disposed within a reflector composed of three planar reflector sections 102, 104 and 106, each formed in the manner according to the invention. It would also be conceivable to design only one or two of these reflector sections according to the invention and to leave the remaining reflector (s) unstructured.
  • a fluorescent lamp is schematically sketched. However, it is also possible to use a different lamp or other reflector geometries.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)

Claims (27)

  1. Réflecteur, en particulier réflecteur pour des systèmes d'éclairage indirect, lequel comporte plusieurs zones de réflexion (3) qui ne se chevauchent pas les unes et les autres,
    sachant qu'au moins une partie des zones de réflexion (3) comporte au moins une surface (11) de réfraction de la lumière ou de réflexion de la lumière, sur laquelle est réalisée une structure réfléchissante guidant la lumière et formée par des bosses et/ou des creux (13a, 13b, 15a, 15b ; 21a, 21b), sachant qu'un bord d'au moins deux bosses ou creux (13a, 13b, 15a, 15b ; 21a, 21b), non reliés entre eux, de la structure réfléchissante suit respectivement une ligne qui s'étend dans deux dimensions, de telle sorte que l'une des bosses ou l'un des creux entoure l'autre bosse ou creux en totalité ou en partie ou est au moins concave par rapport à ceux-ci, caractérisé par un corps de transmission (7), qui est réalisé en matériau transparent dans la zone d'une ou de plusieurs zones de réflexion (3) et qui comporte une face d'incidence de la lumière (9) et une face (11) opposée à la face d'incidence de la lumière, ainsi que par un dispositif de réflexion, qui renvoie dans le corps la lumière qui a pénétré dans le corps dans la zone de la face opposée à la face d'incidence de la lumière, ladite structure réfléchissante étant réalisée sur la face d'incidence de la lumière (9) du corps de transmission (7) dans au moins une zone de réflexion (3) du réflecteur.
  2. Réflecteur, en particulier réflecteur pour des systèmes d'éclairage indirect, qui comporte plusieurs zones de réflexion (3) qui ne se chevauchent pas les unes et les autres,
    sachant qu'au moins une partie des zones de réflexion (3) comporte au moins une surface (11) de réfraction de la lumière ou de réflexion de la lumière, sur laquelle est réalisée une structure réfléchissante guidant la lumière et formée par des bosses et/ou des creux (13a, 13b, 15a, 15b ; 21a, 21b), sachant qu'un bord d'au moins deux bosses ou creux (13a, 13b, 15a, 15b ; 21a, 21b), non reliés entre eux, de la structure réfléchissante suit respectivement une ligne qui s'étend dans deux dimensions, de telle sorte que l'une des bosses ou l'un des creux entoure l'autre bosse ou creux en totalité ou en partie ou est au moins concave par rapport à ceux-ci, caractérisé par un corps de transmission (7), qui est réalisé en matériau transparent dans la zone d'une ou de plusieurs zones de réflexion (3) et qui comporte une face d'incidence de la lumière (9) et une face (11) opposée à la face d'incidence de la lumière, ainsi que par un dispositif de réflexion, qui renvoie dans le corps la lumière qui a pénétré dans le corps dans la zone de la face opposée à la face d'incidence de la lumière, ladite structure réfléchissante étant réalisée dans au moins une zone de réflexion (3) du réflecteur sur la face (11) du corps de transmission (7), opposée à la face d'incidence de la lumière.
  3. Réflecteur selon la revendication 2, caractérisé en ce que la face (11) du corps de transmission (7), opposée à la face d'incidence de la lumière, est totalement réfléchissante dans au moins une zone de réflexion qui comporte ladite structure réfléchissante.
  4. Réflecteur selon la revendication 2 ou 3, caractérisé en ce que la face d'incidence de la lumière (9) du corps de transmission (7) est lisse dans au moins une zone de réflexion (3).
  5. Réflecteur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la face (11) du corps de transmission (7), opposée à la face d'incidence de la lumière, possède dans au moins une desdites zones de réflexion (3) une interface avec un matériau réfléchissant la lumière au moins partiellement dirigée.
  6. Réflecteur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la face (11) du corps de transmission (7), opposée à la face d'incidence de la lumière, est transparente et sur cette face est prévu un corps réfléchissant qui renvoie dans le corps de transmission (7) la lumière sortant de cette face.
  7. Réflecteur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la structure réfléchissante est réalisée dans une surface transparente et agit par réfraction de la lumière.
  8. Réflecteur selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'une ou plusieurs zones de réflexion sont délimitées en totalité ou en partie par le bord ou une arête d'un corps, dont une surface comporte une ou plusieurs structures réfléchissantes.
  9. Réflecteur selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'une ou plusieurs zones de réflexion sont délimitées en totalité ou en partie par une zone d'un corps, dont une surface comporte une ou plusieurs structures réfléchissantes, lequel corps ne possède ni bosses ni creux, s'étend transversalement aux lignes des crêtes ou des bases des bosses ou des creux de la structure réfléchissante associée et qui délimite ces bosses ou creux au niveau de leur direction longitudinale.
  10. Réflecteur selon la revendication 8 ou 9, caractérisé en ce que la limite d'une ou de plusieurs zones de réflexion est formée par :
    > le bord ou une arête d'un corps, dont la surface comporte une ou plusieurs structures réfléchissantes et/ou une zone d'un corps, qui comporte sur une surface une ou plusieurs structures réfléchissantes, sans bosses ni creux, et
    > une ou plusieurs bosses linéaires ou un ou plusieurs creux linéaires, qui sont délimités dans leur direction longitudinale au niveau de l'une de leurs deux extrémités par le bord du corps ou par la zone sans bosses ni creux.
  11. Réflecteur selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'une ou plusieurs zones de réflexion sont délimitées par le bord d'une bosse ou d'un creux fermé en soi.
  12. Réflecteur selon l'une quelconque des revendications 1 à 11, caractérisé en ce qu'un bord d'au moins deux bosses ou creux (13a, 13b, 15a, 15b ; 21a, 21b) suit respectivement une ligne fermée ou forme une ligne fermée conjointement avec le bord de la zone de réflexion, de telle sorte que l'une des bosses ou l'un des creux entoure en totalité l'autre bosse ou creux isolément ou conjointement avec le bord de la zone de réflexion.
  13. Réflecteur selon l'une quelconque des revendications 1 à 12, caractérisé en ce qu'un bord de plusieurs bosses ou creux (13a, 13b, 15a, 15b ; 21a, 21b) d'une ou de plusieurs structures réfléchissantes suit une ligne qui correspond à la projection d'une ligne verticale d'un corps imaginaire tridimensionnel, dont la surface de base est identique à la surface de la zone de réflexion, sur la surface de base dudit corps.
  14. Réflecteur selon l'une quelconque des revendications 1 à 12, caractérisé en ce que pour au moins deux bosses ou creux (13a, 13b, 15a, 15b ; 21a, 21b) respectivement un bord, qui n'est pas identique à un bord de l'autre creux, s'étend sur un tronçon d'une ligne imaginaire fermée, sachant que l'une des deux lignes imaginaires fermées entoure en totalité l'autre, et sachant que le tronçon, sur lequel s'étend le bord de la bosse ou du creux respectif, est défini respectivement par des points d'intersection adjacents avec une troisième ligne imaginaire fermée, qui coupe la première et la deuxième ligne imaginaire fermée.
  15. Réflecteur selon l'une quelconque des revendications 1 à 14, caractérisé en ce que la structure réfléchissante comporte une partie centrale (13c, 15c), qui est délimitée sur tous les côtés par une bosse ou un creux (13b, 15b), et la structure réfléchissante en dehors de cette partie centrale est formée en totalité par des bosses et des creux (13a, 13b, 15a, 15b), qui sont séparés les uns des autres et suivent chacun une ligne fermée ou une ligne, qui débouche à ses extrémités dans le bord de la zone de réflexion et forme une ligne fermée conjointement avec le bord de la zone de réflexion, sachant que chacune de ces bosses et chacun de ces creux entoure la partie centrale isolément ou conjointement avec le bord de la zone de réflexion et chacune de ses bosses ou chacun de ces creux est entouré sur tous les côtés, isolément ou conjointement avec le bord de la zone de réflexion, par toutes les bosses ou tous les creux qui se situent en dehors de la zone qu'ils entourent.
  16. Réflecteur selon la revendication 15, caractérisé en ce que les bosses et/ou les creux (13a, 13b, 15a, 15b) en dehors de la partie centrale (13c, 15c) sont au moins partiellement concentriques et/ou parallèles entre eux.
  17. Réflecteur selon la revendication 15 ou 16, caractérisé en ce que les bosses et/ou creux, situés en dehors de la partie centrale, ont au moins en partie une forme circulaire.
  18. Réflecteur selon l'une quelconque des revendications 15 à 17, caractérisé en ce que la partie centrale (13c, 15c) comporte une surface à courbure concave ou convexe par rapport à la face extérieure.
  19. Réflecteur selon l'une quelconque des revendications 15 à 18, caractérisé en ce que les bosses et/ou creux (13a, 13b, 15a, 15b) en dehors de la partie centrale sont réalisés en forme de dents sur une coupe transversale perpendiculaire à la direction de la ligne qui suit la bosse et/ou le creux.
  20. Réflecteur selon l'une quelconque des revendications 1 à 19, caractérisé en ce que ladite structure réfléchissante correspond à la structure d'une lentille de Fresnel.
  21. Réflecteur selon l'une quelconque des revendications 1 à 20, caractérisé en ce que les bosses de la structure réfléchissante ont au moins en majeure partie la même hauteur par rapport à une parallèle à une surface lisse imaginaire ou réelle qui forme une enveloppe de la face d'incidence de la lumière dans une zone de réflexion.
  22. Réflecteur selon l'une quelconque des revendications 1 à 21, caractérisé en ce que le réflecteur (1) est constitué de plusieurs zones de réflexion (3) qui sont contiguës les unes aux autres.
  23. Réflecteur selon l'une quelconque des revendications 1 à 22, caractérisé en ce qu'au moins une partie des zones de réflexion (3) est définie respectivement par un corps de transmission, qui comporte exactement une structure réfléchissante avec au moins deux bosses ou creux non reliés entre eux, dont l'un entoure au moins en partie l'autre.
  24. Réflecteur selon l'une quelconque des revendications 1 à 23, caractérisé en ce que les zones de réflexion (3) sont définies par le fait que dans un corps conducteur de lumière ou non conducteur de lumière, plusieurs structures réfléchissantes avec des bosses et des creux sont prévues sur une surface, lesquelles comportent au moins deux bosses ou creux (13a, 13b, 15a, 15b) séparés l'un de l'autre, dont l'un entoure au moins en partie l'autre.
  25. Système d'éclairage indirect, comportant une source lumineuse et un réflecteur, qui est situé à distance de la source lumineuse et qui réfléchit dans une zone de la pièce à éclairer la lumière projetée par la source lumineuse, caractérisé en ce que le réflecteur est réalisé selon l'une des revendications 1 à 24.
  26. Luminaire avec un conduit de lumière, qui comporte une paroi latérale réfléchissante et/ou une paroi supérieure réfléchissante et une surface de sortie de la lumière, le luminaire comportant, en outre, au moins une source lumineuse, qui projette la lumière dans le conduit de lumière, de telle sorte que celle-ci est émise au niveau de la surface de sortie de la lumière du conduit de lumière, sachant qu'au moins le réflecteur latéral et/ou le réflecteur supérieur sont réalisés selon l'une des revendications 1 à 24.
  27. Luminaire selon la revendication 26, caractérisé en ce que la source lumineuse est disposée sur une face du conduit de lumière, non parallèle à la surface de sortie de la lumière.
EP03023538A 2002-10-15 2003-10-15 Réflecteur avec une surface structurée et luminaire ou système d'éclairage indirect comprenant un tel réflecteur Expired - Lifetime EP1411294B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20320375U DE20320375U1 (de) 2002-10-15 2003-10-15 Reflektor mit strukturierter Oberfläche, sowie Leuchte und Sekundärbeleuchtungssystem mit einem solchen Reflektor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10248051 2002-10-15
DE10248051 2002-10-15

Publications (3)

Publication Number Publication Date
EP1411294A2 EP1411294A2 (fr) 2004-04-21
EP1411294A3 EP1411294A3 (fr) 2006-06-07
EP1411294B1 true EP1411294B1 (fr) 2011-07-13

Family

ID=32038702

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03023538A Expired - Lifetime EP1411294B1 (fr) 2002-10-15 2003-10-15 Réflecteur avec une surface structurée et luminaire ou système d'éclairage indirect comprenant un tel réflecteur

Country Status (2)

Country Link
EP (1) EP1411294B1 (fr)
AT (1) ATE516467T1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004004261B3 (de) * 2004-01-21 2005-09-01 Fresnel Optics Gmbh Anordnung zur gleichmäßigen oder vorgebbaren Beleuchtung von großen Flächen
DE102004026160B4 (de) * 2004-05-28 2015-10-22 Siteco Beleuchtungstechnik Gmbh Beleuchtungssystem zur Erzeugung einer variablen Lichtverteilung
DE202006004481U1 (de) 2006-03-21 2006-05-24 Siteco Beleuchtungstechnik Gmbh LED-Scheinwerfer und Beleuchtungssystem mit einem solchen Scheinwerfer

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB334891A (en) * 1929-06-10 1930-09-10 Joseph Macnab Improvements relating to light ray reflectors
US2280640A (en) * 1938-11-29 1942-04-21 Republic Steel Corp Light reflecting and distributing ceiling structure
US3671101A (en) * 1969-07-25 1972-06-20 Dan M Finch Light control material
GB8328869D0 (en) * 1983-10-28 1983-11-30 Avery B R Lighting fitting
US4989948A (en) * 1989-05-08 1991-02-05 Minnesota Mining And Manufacturing Company Reflective sheeting material
DE4031302C2 (de) * 1990-10-04 1996-04-11 Bartenbach Christian Beleuchtungsanordnung mit einer Lichtquelle und einer optischen Einrichtung
US5296350A (en) 1990-10-31 1994-03-22 The Research Foundation Of State University Of New York Ion triggered alkylation of biological targets by silyloxy aromatic agents
US5428468A (en) 1993-11-05 1995-06-27 Alliedsignal Inc. Illumination system employing an array of microprisms
DE4406458A1 (de) * 1994-02-28 1995-08-31 Swarovski & Co Reflektor zur indirekten Raumbeleuchtung
EP0735311A1 (fr) 1995-03-31 1996-10-02 Siemens Aktiengesellschaft Système d'éclairage intérieur
DE59710654D1 (de) 1996-12-04 2003-10-02 Siteco Beleuchtungstech Gmbh Innenraumleuchte
EP1065436B1 (fr) * 1999-05-28 2007-04-04 Siteco Beleuchtungstechnik GmbH Lampe de plafond avec guide de lumière
EP1106916B1 (fr) 1999-11-30 2017-08-23 Siteco Beleuchtungstechnik GmbH Luminaire comprenant des moyens réfractifs de protection et un réflecteur délimitant le faisceau lumineux

Also Published As

Publication number Publication date
ATE516467T1 (de) 2011-07-15
EP1411294A3 (fr) 2006-06-07
EP1411294A2 (fr) 2004-04-21

Similar Documents

Publication Publication Date Title
EP2344362B1 (fr) Élément de guidage de lumière pour dispositif d'éclairage
DE202007013205U1 (de) Leuchte
EP2924345B1 (fr) Luminaires avec distribution de lumière dissymétrique
EP2650597A2 (fr) Eclairage
EP0191264B2 (fr) Dispositif anti-éblouissant pour appareils d'éclairage de grande dimension
EP3408584B1 (fr) Appareil d'éclairage muni d'un élément de recouvrement pyramidal ou conique
DE112013005281T5 (de) Optisches Element mit einem TIR-Flächenabschnitt für verbesserte räumliche Lichtverteilung
EP2333402B1 (fr) Luminaire avec guide de lumière creux
DE102005047746A1 (de) Anordnung zum gezielten Entblenden von Außenleuchten in vertikaler und horizontaler Achse
DE69800229T2 (de) Reflektor für Beleuchtungseinrichtung mit einer länglichen Lichtquelle
EP3199869A1 (fr) Dispositif d'éclairage
EP3023689A1 (fr) Dispositif d'éclairage
EP1106905B1 (fr) Luminaire
DE19737550A1 (de) Signalleuchte mit verbesserter Lampenabdeckung für Kraftfahrzeuge
EP1411294B1 (fr) Réflecteur avec une surface structurée et luminaire ou système d'éclairage indirect comprenant un tel réflecteur
EP1132680A1 (fr) Luminaire avec rayonnement non homogène de lumière
DE102006030646B4 (de) Innenraumleuchte zur Ausleuchtung einer Wand oder Decke
EP3408587B1 (fr) Système optique destiné à influer sur l'émission de lumière d'une source de lumière
EP0372272A1 (fr) Armature d'éclairage à grille réfléchissante
DE3008773C2 (de) Nebelschlußleuchte für Kraftfahrzeuge
EP1209409B1 (fr) Dispositif d'éclairage extérieur à caratéristiques d' émission de lumière ameliorées
DE20320375U1 (de) Reflektor mit strukturierter Oberfläche, sowie Leuchte und Sekundärbeleuchtungssystem mit einem solchen Reflektor
DE10011516A1 (de) Leuchtensystem
EP1900998B1 (fr) Réflecteur doté d'une structure émettant de la lumière
DE69535403T2 (de) Elektronische weitwinkel-beleuchtungsvorrichtung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

17P Request for examination filed

Effective date: 20061024

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

17Q First examination report despatched

Effective date: 20070412

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 50313809

Country of ref document: DE

Effective date: 20110901

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: SITECO BELEUCHTUNGSTECHNIK GMBH

Free format text: SITECO BETEILIGUNGSVERWALTUNGS GMBH#OHMSTRASSE 50#83301 TRAUNREUT (DE) -TRANSFER TO- SITECO BELEUCHTUNGSTECHNIK GMBH#OHMSTRASSE 50#83301 TRAUNREUT (DE)

Ref country code: CH

Ref legal event code: NV

Representative=s name: ISLER & PEDRAZZINI AG

Ref country code: CH

Ref legal event code: PFUS

Owner name: SITECO BETEILIGUNGSVERWALTUNGS GMBH, DE

Free format text: FORMER OWNER: SITECO BELEUCHTUNGSTECHNIK GMBH, DE

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20110713

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 50313809

Country of ref document: DE

Representative=s name: BOEHMERT & BOEHMERT, DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 50313809

Country of ref document: DE

Owner name: SITECO BELEUCHTUNGSTECHNIK GMBH, DE

Free format text: FORMER OWNER: SITECO BELEUCHTUNGSTECHNIK GMBH, 83301 TRAUNREUT, DE

Effective date: 20111109

Ref country code: DE

Ref legal event code: R081

Ref document number: 50313809

Country of ref document: DE

Owner name: SITECO BELEUCHTUNGSTECHNIK GMBH, DE

Free format text: FORMER OWNER: SITECO BELEUCHTUNGSTECHNIK GMBH, 83301 TRAUNREUT, DE

Effective date: 20110711

Ref country code: DE

Ref legal event code: R082

Ref document number: 50313809

Country of ref document: DE

Representative=s name: BOEHMERT & BOEHMERT ANWALTSPARTNERSCHAFT MBB -, DE

Effective date: 20111109

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110713

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20111114

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110713

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110713

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110713

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20111014

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

Free format text: REGISTERED BETWEEN 20120315 AND 20120321

BERE Be: lapsed

Owner name: SITECO BELEUCHTUNGSTECHNIK G.M.B.H.

Effective date: 20111031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110713

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110713

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110713

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110713

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110713

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20111031

REG Reference to a national code

Ref country code: AT

Ref legal event code: PC

Ref document number: 516467

Country of ref document: AT

Kind code of ref document: T

Owner name: SITECO BELEUCHTUNGSTECHNIK GMBH, DE

Effective date: 20120418

26N No opposition filed

Effective date: 20120416

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110713

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20111031

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 50313809

Country of ref document: DE

Effective date: 20120416

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20111024

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20111015

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20111013

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110713

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20160926

Year of fee payment: 14

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20171019

Year of fee payment: 15

Ref country code: SE

Payment date: 20171019

Year of fee payment: 15

Ref country code: IT

Payment date: 20171023

Year of fee payment: 15

Ref country code: CH

Payment date: 20171019

Year of fee payment: 15

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 16

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20181015

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181016

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181031

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181015

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181015

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 50313809

Country of ref document: DE

Representative=s name: BOEHMERT & BOEHMERT ANWALTSPARTNERSCHAFT MBB -, DE

Ref country code: DE

Ref legal event code: R081

Ref document number: 50313809

Country of ref document: DE

Owner name: SITECO GMBH, DE

Free format text: FORMER OWNER: SITECO BELEUCHTUNGSTECHNIK GMBH, 83301 TRAUNREUT, DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: PC

Ref document number: 516467

Country of ref document: AT

Kind code of ref document: T

Owner name: SITECO GMBH, DE

Effective date: 20201028

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20201020

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20211020

Year of fee payment: 19

Ref country code: AT

Payment date: 20211019

Year of fee payment: 19

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171015

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20211031

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50313809

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 516467

Country of ref document: AT

Kind code of ref document: T

Effective date: 20221015

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230503

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20221015