EP1697684B1 - Beleuchtungseinrichtung - Google Patents

Beleuchtungseinrichtung Download PDF

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Publication number
EP1697684B1
EP1697684B1 EP04803307A EP04803307A EP1697684B1 EP 1697684 B1 EP1697684 B1 EP 1697684B1 EP 04803307 A EP04803307 A EP 04803307A EP 04803307 A EP04803307 A EP 04803307A EP 1697684 B1 EP1697684 B1 EP 1697684B1
Authority
EP
European Patent Office
Prior art keywords
accordance
reflector
light
lighting means
reflectors
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.)
Not-in-force
Application number
EP04803307A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1697684A1 (de
Inventor
Hartmut S. Engel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to PL04803307T priority Critical patent/PL1697684T3/pl
Publication of EP1697684A1 publication Critical patent/EP1697684A1/de
Application granted granted Critical
Publication of EP1697684B1 publication Critical patent/EP1697684B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • 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
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • 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
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • 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
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • F21Y2103/37—U-shaped
    • 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
    • F21Y2113/00—Combination of light sources

Definitions

  • This invention relates to a lighting device having a plurality of illuminant-loaded downlight reflectors according to the preamble of patent claim 1.
  • Lighting devices of the type mentioned usually consist of a plurality of individual downlights, each having its own housing and are arranged depending on the given local lighting requirements in the ceiling area of a room at different positions. Often, such downlights are also arranged directly adjacent to one another or in combination with long and / or grid luminaires whose size is e.g. matches the size of ceiling elements of suspended grid ceilings used.
  • a disadvantage of lighting devices of the type mentioned is the fact that downlights and long or grid lights have different designs and thus do not provide a uniform appearance. Furthermore, the maintenance, in particular the cleaning and replacement of bulbs, associated with the use of individual downlights with relatively high effort.
  • a linear luminaire which has a plurality of arranged in a row pot reflectors, which are coupled together via a translucent connection plate and which are acted upon by a common light source via rear openings of the pot reflectors with light.
  • the connection plate can be made matt.
  • the matt connection plate then forms a diffuse light exit region, which surrounds the direct light exit regions of the pot reflectors.
  • a disadvantage of this embodiment is the fact that the amount of light incident on the connecting plate is not sufficient to provide a clearly visible diffuse light exit region.
  • An object of the invention is to provide a document DE 101 51 958 A Known lighting device to improve such that on the one hand by a single such lighting device, the impression of successive row downlights is achievable, while ensuring that a surrounding the existing direct light exit areas diffuse light exit area emits a clearly perceptible amount of light.
  • This object is achieved in that the diffused light exit areas lying outside of the rear reflector openings Sections of the bulb can be acted upon directly.
  • the front reflector openings of the downlight reflectors define direct light exit areas, which are surrounded at least in regions by at least one diffuse light exit area. Consequently, it is possible to work in the direct light exit region according to the dark light principle, in which the luminous means and the reflector are arranged relative to one another such that the luminous means can no longer be seen from a certain viewing angle and thus can not develop a glare effect. At the same time, however, stray light emerges from the diffuse light exit area according to the invention around the said direct light exit area, which is visible as a non-glare ambient light, so that it is always ensured that the viewer can perceive where the respective light source is located.
  • the diffuse light exit region offers interesting design options, for example, by an individual choice of the shape of the diffuse light exit region or the color of the exiting scattered light.
  • the measure according to the invention in addition to the direct light exit areas and the diffuse light exit areas are acted upon directly by the light source with light, it is achieved that without loss in the efficiency of direct light irradiation and the diffuse light exit areas appear sufficiently bright, so that to achieve the As explained above advantageous effects always leaking a meaningful amount of scattered light from the diffuse light exit areas.
  • two or more downlight reflectors of acted upon a common light source which advantageously leads to the fact that in connection with said two or more downlight reflectors only a single light source has to be maintained or replaced if necessary.
  • the maintenance effort is significantly reduced by the use of a lighting device according to the invention.
  • a plurality of downlight reflectors acted upon by a common luminous means can be arranged side by side, in particular along a straight line or along several parallel lines, so that these downlight reflectors in combination ultimately have an illumination characteristic similar to a long or grid luminaire.
  • the use of such a composite acting as a long or grid luminaire together with individual downlights thus enables a uniform and harmonious design of an illumination system consisting of the named constituents.
  • the downlight reflectors acted upon by the common illuminant each represent separate, not directly interconnected units. These downlight reflectors can then be used in virtually unchanged form for single downlights, which affects the production cost of lighting devices according to the invention and individual downlights lighting systems low.
  • the front openings of the downlight reflectors located in the direction of illumination may have an at least substantially point-symmetrical, in particular circular shape, to the center of the opening. Likewise, however, any differently shaped openings are possible.
  • the downlight reflectors advantageously each have a dome or dome shape that is open on both sides, wherein the larger opening forms the front reflector opening according to the invention and the smaller opening forms the rear reflector opening according to the invention.
  • the lighting device For a uniform handling of the lighting device according to the invention during its assembly and disassembly, it makes sense if the downlight reflectors acted upon by the common lighting means, including the lighting means, are arranged in a common housing.
  • At least two downlight reflectors are acted upon by several common bulbs. This is useful, for example, when a relatively high illuminance is required, which can be effected for example by the use of two or three parallel fluorescent tubes, each of which at least two Downlight reflectors applied.
  • the use of a plurality of common bulbs is useful if these multiple bulbs have mutually different shades. For example, three mutually different white tones can be used, whose respective illumination intensity can be controlled. By appropriate control of the individual bulbs then the respectively desired light mixture can be adjusted.
  • two or more downlight reflectors are acted upon by three common light sources, which have the hues red, green and blue, wherein the illumination intensity of the individual lamps can in turn be set independently of each other.
  • the illumination intensity of the individual lamps can in turn be set independently of each other.
  • RGB RGB lighting
  • the three lamps mentioned can be arranged very close to each other in the region of the rear reflector openings, so that even within each individual downlight reflector results in a very good mix of the individual shades.
  • the illuminants are preferably designed as fluorescent tubes or compact fluorescent lamps, since their elongated shape is particularly well suited for applying a plurality of downlight reflectors arranged in a row.
  • the downlight reflectors may be pivotally supported in a housing in one possible embodiment. This pivoting allows the direction of illumination in a desired manner to adjust.
  • the various downlight reflectors acted upon by a common luminous means can be pivoted together either independently of one another or via a suitable mechanical coupling.
  • the downlight reflectors can be pivoted independently of one another, it makes sense for the illuminant, which acts on the downlight reflectors, to be statically arranged in the housing, so that it does not carry out the said pivoting movements.
  • the illuminating means which act upon them can either be arranged statically in the housing or can be mechanically coupled to the downlight reflectors in such a way that the illuminant also carries out the pivotal movement of the downlight reflectors. In the latter case, an optimum relative position between the illuminant and the downlight reflectors and thus optimum loading of the downlight reflectors on the illuminant can be ensured in each pivoting angle position.
  • the direct light exit regions and the diffuse light exit regions can be acted upon by a common light source, so that ultimately each existing light source acts on all direct light exit regions of the different downlight reflectors and at the same time on all diffuse light exit regions. In this way, it is not necessary to provide separate light sources for the diffuse light exit regions, which is advantageous in terms of the illuminant costs and the expense to be operated when replacing the bulbs.
  • the front reflector openings defining the direct light exit regions can each be assigned to a direct-light reflector designed as a downlight reflector, on the side of which the direct light exit region faces away from an additional or background reflector is provided which acts on both the direct light exit areas and the diffuse light exit areas.
  • the illuminant radiates to a direct light directly or via the direct light reflector in the actual illumination direction and the other in a direction opposite to the direction of illumination to the additional reflector, which the light incident on him depending on its configuration partly in the direction of Diffuse light exit area and partly to the direct light exit area directs, so that this additional reflector also contributes to the increase in efficiency in the direct light generation.
  • This additional reflector can reflect either specularly or diffusely, wherein in the former case in the region of the diffuse light exit region, a conversion of directly reflected light into scattered light can take place.
  • a light passage region is formed between the additional reflector and the direct light reflector so that the additional reflector directs that part of the light which is to correspond to the diffused light component to the outside of the direct light reflector past the diffused light exit region can.
  • the additional reflector can be formed at least in part by at least one planar or predeterminably curved or bent reflector surface. As already mentioned, by a suitable curvature or buckling of the additional reflector, the ratio of the light components which are directed to the direct light exit region and to the diffuse light exit region can be adjusted in a targeted manner. To achieve a high efficiency of the lighting device according to the invention, the additional reflector is formed so that a high proportion of light to the direct light exit regions and only a small proportion of light reaches the diffuse light exit regions.
  • Lamps, direct light reflectors and additional reflectors can be arranged in a common housing, the inner surface is at least partially formed as an additional reflector. In this way is achieved in an advantageous manner that no additional components are needed for the additional reflector.
  • the direct-light reflectors can be designed to be reflective or diffusely reflective on their outer sides, so that the light impinging on the diffuse-light exit regions can also be conducted over the outer sides of the direct-light reflectors.
  • the outer sides of the direct light reflectors form in this case areas of the additional or background reflector.
  • the housing containing the illumination device according to the invention is advantageously carried out light-tight, since in this case, for example, in suspended ceilings inaccuracies in the processing are not inadvertently illuminated from behind. Furthermore, the housing can be made dustproof, so as to counteract such a pollution caused by air conditioners, for example, bulbs and reflectors.
  • the housing is closed in the area of the diffuse light exit regions by a diffusing screen and in the region of the direct light exit areas by an in particular transparent pane at least substantially dust-tight. In this way, a frequent cleaning of the reflectors and the light source can be avoided, since the said discs form a reliable protection against dust.
  • a more cost-effective version to cover the housing in the region of the diffuse light exit region by a lens or perforations element, in particular a perforated plate, and to form it open in the region of the direct light exit regions.
  • FIGS. 1 to 3 show the above-mentioned views of a possible embodiment of a lighting device according to the invention.
  • FIG. 4 shows, in two perspective views, that part of the aforementioned illumination device which can be pivoted in accordance with FIG. 3. The following explanations refer to FIGS. 1 to 4.
  • the lighting device comprises a total of three downlight reflectors 1, wherein each of these downlight reflectors 1 has a dome or dome shape open on both sides.
  • the downlight reflectors 1 each have a front reflector opening 2 located in the illumination direction and a rear reflector opening opposite to the illumination direction 3.
  • the downlight reflectors 1 In the area of the rear reflector openings 3, the downlight reflectors 1 each have two mutually opposite recesses 4. Because of these recesses 4, a light source 5 designed as an elongated fluorescent lamp can be positioned such that it extends into the downlight reflectors 1 from the rear reflector opening 3. Alternatively, the recesses 4 can also be omitted. In this case, the bulbs are then positioned behind or above the rear reflector openings 3, so that they do not extend into the reflectors 1 in.
  • each downlight reflector 1 adjoins in each case a diffuse light exit region 7, which surrounds the direct light exit region 8 delimited by the front reflector opening 2.
  • Direct light exit region 8 and diffuse light exit region 7 extend in a common plane perpendicular to the illumination direction.
  • the diffuse light exit region 7 of each downlight reflector 1 is bounded on the inside by the circular, front reflector opening 2.
  • the diffuse light exit regions 7 are bounded in each case by a square line, the points of intersection of the diagonals of the corresponding square coinciding with the center of the circular front reflector opening 2.
  • the direct light exit regions 8 are each centered in the associated diffuse light exit regions 7.
  • the diffuse light exit regions 7 each consist of a square or a common rectangular lens, which suitable for converting direct light into diffused light.
  • This diffusing screen may be integrally formed with the transparent pane (s) 6, which seal off the front reflector openings 2 in a dust-proof manner.
  • the diffuse light exit regions 7 can be formed in one piece with the respective downlight reflectors 1 assigned to them, in particular as part of an injection process.
  • the diffuse light exit regions 7 of adjacent downlight reflectors 1 directly adjoin one another with the sides facing one another, so that the three diffuse light exit regions 7 together form a rectangle corresponding to FIG. 1 whose longitudinal sides are three times as long as the narrow sides thereof.
  • the two opposite outer sides of the outer diffuse light exit regions 7 are connected to wall elements 9, 10 which extend in the same direction perpendicular to the diffuse light exit regions 7 as the downlight reflectors 1.
  • the wall element 9 is in its diffuser light exit region 7 remote area provided with a bulb holder 11, in which the lamp 5 is inserted.
  • the length of the luminous means 5 is dimensioned such that it extends through all six recesses 4 of the downlight reflectors 1, so that all three downlight reflectors 1 can be exposed to light via the illuminant 5. If no recesses 4 are provided, the luminous means 5 extends over all downlight reflectors 1 behind or over their rear reflector openings 3.
  • the wall elements 10, 11 have a substantially rectangular shape, but a side of the wall elements 9, 10 adjoining the diffuser light exit regions 7 is arc-shaped.
  • the two arcuate sides of the wall elements 9, 10 are connected to each other via a curved wall element 12 (see FIG. 4) which extends in a planar manner from the diffuse light exit regions 7 to beyond the region of the rear reflector openings 3 (see FIG. 2).
  • Downlight reflectors 1, diffuse light exit regions 7, wall elements 9, 10, 12, light-emitting socket 11 and light-emitting means 5 form a rigid, mechanically coupled unit 13, which is shown in perspective in FIG.
  • the unit 13 is arranged in a light- and dust-tight housing 14, which has a substantially cuboid shape and is dimensioned such that it can accommodate the unit 13 completely.
  • the inner sides of the housing 14 are formed as well as the outer sides of the downlight reflectors 1 reflective, so that they can act as additional or background reflectors 15.
  • the curved wall element 12 may either be designed to be reflective on its side facing the downlight reflectors 1 so as likewise to form a region of an additional or background reflector 15 or it may be designed as a diffuser, so that only a part of the curved wall element 12 incident light is reflected and the other part passes as stray light through the curved wall element 12.
  • the unit 13 can be pivoted relative to the housing 14 about an axis 16, with the result that an inclination of the diffuse light exit areas 17 is established together with the direct light exit areas 8.
  • the illumination direction can be changed in the desired manner.
  • the outside of the curved wall element 12 is visible, which ultimately for an attractive appearance the entire lighting device ensures that the curved wall element 12 covers the interior of the lighting device in the swung-out state in a visually appealing manner.
  • the arched wall element and also the swung-wall elements 9, 10 may be formed as lenses, so that through them stray light passes through, which causes a visually appealing effect and in addition a brightening of the ceiling.
  • the sections of the luminous means 5 located within the rear reflector openings 3 directly apply light to the respective interior of the downlight reflectors 1 and the transparent panes 6, which ultimately emerges from the direct light exit areas 8. Furthermore, the sections of the luminous means 5 lying outside the rear reflector openings 3 act on the diffuse light exit regions 7 directly and indirectly via the reflective outer sides of the downlight reflectors and the reflective inner sides 15 of the housing 14. This light component then emerges as stray light Diffuse light exit regions 7 off.
  • FIG. 5 shows a plan view of a single downlight, which can be used in conjunction with a lighting device according to the invention according to FIGS. 1 to 4.
  • the individual downlight according to FIG. 5 can be constructed in accordance with the illumination device according to FIGS.
  • the main difference to the lighting device according to the invention according to FIGS. 1 to 4 is therefore that in a housing 14 'only a single downlight reflector 1' is arranged, which is acted upon by a lighting means 5 'whose Length is dimensioned so that it essentially takes place in the interior of the individual downlight reflector 1 '.
  • the individual downlight according to FIG. 5 also has a circular direct light exit region 8 ', which is surrounded by a diffuse light exit region 7', which is bounded on the outside by a square line. Accordingly, the lighting means 5 ' is also suitable for applying both the direct light exit region 8' and the diffuse light exit region 7 'directly or via background and additional reflectors.
  • FIGS. 1 and 5 A comparison of FIGS. 1 and 5 shows that the lighting devices shown in these two figures have a uniform design line and thus can be used in combination with each other in a very optically advantageous manner.
  • FIGS. 6 to 9 show the above-mentioned views of a further embodiment of a lighting device according to the invention, which has a total of nine downlight reflectors 1. Accordingly, the following description refers to FIGS. 6 to 9 together.
  • the lighting device shown consists of three mutually parallel lighting devices according to the invention, each comprising three downlight reflectors, wherein the three lighting devices are arranged adjacent to each other so that a total of a square matrix arrangement of 3 x 3 downlight reflectors 1 results.
  • the two outer, each three downlight reflectors 1 comprehensive lighting devices are designed as in connection with Figs. 1 to 4 already explained. This means that these two lighting devices have pivotable units 13, wherein they are oriented according to FIGS. 8 and 9 to each other so that the units 13 can be pivoted toward each other. Alternatively, an arrangement would be conceivable in which both units 13 can be pivoted in the same direction or away from each other.
  • three downlight reflectors 1 comprehensive lighting device differs from the external lighting devices in that instead of the pivotable unit 13 has a rigidly mounted in the housing unit with three downlight reflectors and an elongated light source.
  • the central illumination device could be designed to be pivotable.
  • FIGS. 1 and 6 show that lighting devices according to the invention can be used in any combination.
  • each individual illumination device may also have fewer or more than three downlight reflectors, which are arranged in a row.
  • three lighting devices according to FIG. 1 can be arranged adjacent to each other so that a total of nine downlight reflectors are in a single row, resulting in a linear luminaire with great longitudinal extension.
  • FIG. 10 shows a further embodiment of a lighting device according to the invention, in which a total of six downlight reflectors 1 come to lie next to one another in a row. All downlight reflectors are each acted upon by a total of three light sources 5 ", which have mutually different shades and their Longitudinal extent is dimensioned so that all three bulbs 5 "extend through the recesses 4 of all six downlight reflectors 1 therethrough.
  • FIG. 10 illustrates that the different shades of the three light sources 5 "can already mix in the interior of the downlight reflectors 1, which is advantageous in terms of lighting compared with devices in which the light sources having different shades are spatially relatively widely spaced.
  • the three luminous means 5 " which may have, for example, the hues red, green and blue, can be controlled with different energy, visible light can be generated at any desired frequency for the respectively desired desired light mood with an illumination arrangement according to FIG.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
  • Vehicle Body Suspensions (AREA)
  • Polarising Elements (AREA)
  • Seal Device For Vehicle (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
EP04803307A 2003-12-23 2004-11-26 Beleuchtungseinrichtung Not-in-force EP1697684B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04803307T PL1697684T3 (pl) 2003-12-23 2004-11-26 Urządzenie oświetleniowe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10360943A DE10360943A1 (de) 2003-12-23 2003-12-23 Beleuchtungseinrichtung
PCT/EP2004/013463 WO2005066540A1 (de) 2003-12-23 2004-11-26 Beleuchtungseinrichtung

Publications (2)

Publication Number Publication Date
EP1697684A1 EP1697684A1 (de) 2006-09-06
EP1697684B1 true EP1697684B1 (de) 2007-08-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04803307A Not-in-force EP1697684B1 (de) 2003-12-23 2004-11-26 Beleuchtungseinrichtung

Country Status (9)

Country Link
US (1) US7465070B2 (zh)
EP (1) EP1697684B1 (zh)
CN (1) CN100585261C (zh)
AT (1) ATE368824T1 (zh)
AU (1) AU2004312576B2 (zh)
DE (2) DE10360943A1 (zh)
NZ (1) NZ547909A (zh)
PL (1) PL1697684T3 (zh)
WO (1) WO2005066540A1 (zh)

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NZ550427A (en) * 2006-10-06 2007-05-31 Francis William Austin Downlight with adjustment to alter beam of light in shape or intensity
GB0911076D0 (en) * 2009-06-26 2009-08-12 Taison Lighting Ltd Light fitting arrangement
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USD667987S1 (en) * 2011-07-20 2012-09-25 Ningbo Yinzhou Self Photoelectron Technology Co., Ltd. LED lighthead
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DE10360943A1 (de) 2005-07-21
AU2004312576B2 (en) 2009-05-28
US7465070B2 (en) 2008-12-16
DE502004004535D1 (de) 2007-09-13
ATE368824T1 (de) 2007-08-15
CN1898497A (zh) 2007-01-17
CN100585261C (zh) 2010-01-27
NZ547909A (en) 2009-07-31
PL1697684T3 (pl) 2008-01-31
WO2005066540A1 (de) 2005-07-21
EP1697684A1 (de) 2006-09-06
AU2004312576A1 (en) 2005-07-21
US20080025021A1 (en) 2008-01-31

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