EP1353117B1 - Leuchte - Google Patents

Leuchte Download PDF

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Publication number
EP1353117B1
EP1353117B1 EP03016446.1A EP03016446A EP1353117B1 EP 1353117 B1 EP1353117 B1 EP 1353117B1 EP 03016446 A EP03016446 A EP 03016446A EP 1353117 B1 EP1353117 B1 EP 1353117B1
Authority
EP
European Patent Office
Prior art keywords
light
lamp
reflector
lamp according
diffuser
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
EP03016446.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1353117A2 (de
EP1353117A3 (de
Inventor
Simona Loga
Georg Kempter
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.)
ZUMTOBEL LIGHTING GmbH
Original Assignee
Zumtobel Lighting GmbH Austria
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 Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Priority to EP10185362.0A priority Critical patent/EP2264359A3/de
Publication of EP1353117A2 publication Critical patent/EP1353117A2/de
Publication of EP1353117A3 publication Critical patent/EP1353117A3/de
Application granted granted Critical
Publication of EP1353117B1 publication Critical patent/EP1353117B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • 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
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/08—Combinations of only two kinds of elements the elements being filters or photoluminescent elements and 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/12—Combinations of only three kinds of elements
    • F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • 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
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • 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
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • 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
    • 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
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
    • 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
    • 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
    • F21Y2113/20—Combination of light sources of different form
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a ceiling lamp according to the preamble of claim 1.
  • a ceiling lamp of this kind as for example in the DE 44 43 916 A1 is described in is Fig. 5 shown.
  • a raster reflector 26 consisting of side reflectors and transverse slats is arranged, with the aid of which most of the light emitted by the lamp 21 is directed and emitted downwards without glare.
  • the use of such a raster reflector 26 is advantageous, for example, in luminaires in offices with multiple VDU workstations, since the downwardly radiated light is to some degree cross-faded and therefore can not cause reflections on the screens.
  • Fig. 5 also has a concave outer reflector 22, on which the light emitted from the lamp 21 laterally or upwardly falls.
  • the area surrounding the lamp 21 and the raster reflector 26 is additionally illuminated, which, on the one hand, makes it possible to detect in a simple manner whether the luminaire is actually switched on or not, but on the other hand is perceived as much more pleasant by a viewer than the light of a pure grid lamp, in which the entire light is emitted only downwards, so that the ceiling area itself appears dark.
  • the outer reflector of such a luminaire on a certain and previously calculated precisely curvature, which reflects the light emitted by the lamp side in such a manner that the outer reflector appears uniformly bright.
  • this usually has the consequence that the outer reflector has a relatively high height and small width due to this predetermined curvature, so that the lamp is very high overall. If, on the other hand, the outer reflector 22 were made flatter, this would mean that the luminance in the lamp 21 nearer to the outer reflector 22 is higher than at the edge of the reflector.
  • a uniform distribution of the brightness density is additionally assisted by arranging a translucent (opal) disk 23 below the outer reflector 22. Overall, however, this luminaire has a relatively high height.
  • the erfindunbe ceiling light has with the known light after Fig. 5 the following common features: a rohrformige gas discharge lamp, at least one - viewed from the area to be illuminated - arranged next to the lamp concave reflector, at least one - also seen from the area to be illuminated - next to the lamp but in front of the reflector arranged at least partially transparent diffuser and a - viewed from the area to be illuminated - arranged in front of the lamp light distribution element, wherein the diffuser and the reflector converge at its end remote from the lamp so that they include at least one light chamber, and wherein the reflector next to the lamp in common limited with a top edge of a side wall of the light distribution element, a light entry surface.
  • the ratio of the width of a light chamber to the height of the light entry surface is between 4: 1 and 5: 1, wherein the diffuser extends to the side wall of the light distributor element and the individual components of the lamp are arranged within a box-shaped housing.
  • One after the DE 297 10 475 U known ceiling lamp has no housing.
  • a light entry into also provided light chambers via column in the raster reflector.
  • a cabinet lamp is known to emit light glare-free at an angle to the rear. It also has a flat light chamber whose Lichteinstrahl requirements is bounded by a reflector and a diffuser.
  • the light entry surfaces for the light chamber or light chambers are also formed by diffusers.
  • the light distribution element can e.g. a grid consisting of side reflectors and cross blades.
  • Other optical elements would be conceivable, which cause a more interesting appearance of the entire lamp, such as a teillichtyer emergees perforated plate or the like.
  • the lamp can also consist in that the reflector arranged laterally from the lamp is itself part-leak-permeable. It is then possible to arrange further light sources behind this partial translucent reflector which can be used to achieve special lighting effects.
  • the reflector is part-permeable to light
  • another refinement may also be to arrange another reflector behind the reflector, so that in each case a further light chamber is formed behind the light chambers. It is then possible to install additional light sources within these further light chambers, which can be controllable for example in their color and brightness. This may be, for example, controllable light-emitting diodes (LEDs). This can be achieved again a variety of different lighting effects.
  • LEDs controllable light-emitting diodes
  • optical elements are arranged, which cause a change in color of the light has become on the reflector, so that the area surrounding the lamp appears in a slightly different color.
  • the luminaire according to the invention can be used in several different types of luminaires.
  • the individual components of the lamp are arranged within a box-shaped container 8, which is sunk when mounting the lamp in the ceiling of the room to be illuminated as the light source is a rod-shaped gas discharge lamp 1, under which a consisting of side reflectors and cross fins grid 6 is arranged, over which a large part of the light emitted by the lamp 1 is emitted downwards.
  • the concrete shapes of this grid 6 can be chosen so that the downwardly radiated light is transversely dazzled to a certain extent, so that the lamp is particularly suitable for the illumination of rooms with VDU workstations.
  • the grid 6 can also be a perforated plate, which is deposited for example with foils, or another optical elements such as a diffuser or a Prismenstrukaur be used.
  • the rod-shaped gas discharge lamp 1 is further spanned by a concave reflector 2 whose side wings are arranged substantially adjacent to the lamp 1.
  • a diffuser 3 is further arranged, which includes two light chambers 4 together with the reflector 2 by the diffuser 3 and the reflector 2 both converge at their remote from the lamp 1 end.
  • the light entry surfaces for these light chambers 4 are delimited by the upper edge of the grid 6 and the reflector 2. Since the diffuser 3 arranged in front of the reflector 2 extends up to the side wall of the grid 6, it is avoided that the lamp 1 can be viewed directly from the side, thus producing glare effects.
  • the width (a) of the light chambers 4 is compared to the height (b) of the light entry surfaces, so the distance between the top of the grid 6 and the reflector 2, chosen in a special way, so that the light overall very oh and visually can be designed attractively.
  • the two light entry surfaces are formed by diffusers 5, which distribute the light thrown onto the reflector 2 evenly. Together with the front of the reflector 2 arranged diffuser 3 is thus causes the lamp 1 and the grid 6 surrounding area of the lamp appears uniformly bright, despite the low height of the lamp.
  • the diffusers 5 are preferably formed integrally with the diffuser 3.
  • the reflector 2 may be diffusely reflecting on its inside.
  • the reflector 2 is further formed partially transparent, wherein behind this reflector 2 two further rod-shaped lamps 7 are arranged. These are for the achievement of the desired lighting effect - effective radiation of a large part of the light emitted by the lamp 1 on the grid 6 down and uniform lightening of the area surrounding the lamp 1 - initially not necessary, but with their help additional and new lighting effects can be met .
  • the two lights 7, for example, can be set independently of the light 1 to a specific brightness, so that in this way is given the opportunity to lighten the area arranged next to the lamp 1 regardless of the brightness of the lamp 1.
  • the reflector 2 When in Pig. 2 lamp is again a recessed ceiling light, the reflector 2 but now has a shape such that the largest distance (c) between the reflector 2 and the diffuser 3 is greater than the height (b) of the light entry surfaces.
  • the ratio of the width (a) of the light chambers 4 to this largest distance (c) is at least 4: 1, so that a flat shape is ensured.
  • FIGS. 3 and 4 show a further development of the lamp according to the invention, which is particularly useful in.
  • Ceiling recessed lights offers, with the shape of in Fig. 3 illustrated luminaire of the luminaire form in Fig. 2 and the shape of the light in Fig. 4 the luminaire shape of the FIG. 1 equivalent.
  • the development consists in that a further concave reflector 12 is arranged behind the part 2 permeable reflector 2, which forms together with the reflector 2, two further light chambers 13, which are each arranged behind the original light chambers 4.
  • additional light chambers 13 further light sources are arranged, here in the form of printed circuit boards with a plurality of LEDs 14 arranged in a row.
  • LED's 14 can be controllable with respect to their color and brightness, whereby a variety of different lighting effects can be achieved. Of course, other controllable light sources can be used.
  • the formation of the further light chambers 13 by the additional reflector 12 also in the other types of luminaires and luminaire shapes.
  • the lamp according to the invention can thus be configured in a variety of different manifestations. Since the height of the light chambers 4 is very low, it is also possible to form a total of very flat and visually appealing lights and give them new shapes with an attractive design. The further proposed measures, however, can be achieved despite the very flat design, that over the entire width of the reflector 2, a substantially uniform luminance is achieved, so that very attractive lighting effects can be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP03016446.1A 2000-02-14 2001-02-06 Leuchte Expired - Lifetime EP1353117B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10185362.0A EP2264359A3 (de) 2000-02-14 2001-02-06 Leuchte

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10006410 2000-02-14
DE10006410A DE10006410A1 (de) 2000-02-14 2000-02-14 Leuchte
EP01923559A EP1255950B1 (de) 2000-02-14 2001-02-06 Leuchte

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP01923559A Division EP1255950B1 (de) 2000-02-14 2001-02-06 Leuchte

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP10185362.0A Division EP2264359A3 (de) 2000-02-14 2001-02-06 Leuchte
EP10185362.0A Division-Into EP2264359A3 (de) 2000-02-14 2001-02-06 Leuchte

Publications (3)

Publication Number Publication Date
EP1353117A2 EP1353117A2 (de) 2003-10-15
EP1353117A3 EP1353117A3 (de) 2004-01-07
EP1353117B1 true EP1353117B1 (de) 2016-11-30

Family

ID=7630798

Family Applications (5)

Application Number Title Priority Date Filing Date
EP01923559A Expired - Lifetime EP1255950B1 (de) 2000-02-14 2001-02-06 Leuchte
EP10185362.0A Withdrawn EP2264359A3 (de) 2000-02-14 2001-02-06 Leuchte
EP08156549.1A Expired - Lifetime EP1956289B1 (de) 2000-02-14 2001-02-06 Leuchte
EP03016446.1A Expired - Lifetime EP1353117B1 (de) 2000-02-14 2001-02-06 Leuchte
EP06008103A Expired - Lifetime EP1688662B1 (de) 2000-02-14 2001-02-06 Leuchte

Family Applications Before (3)

Application Number Title Priority Date Filing Date
EP01923559A Expired - Lifetime EP1255950B1 (de) 2000-02-14 2001-02-06 Leuchte
EP10185362.0A Withdrawn EP2264359A3 (de) 2000-02-14 2001-02-06 Leuchte
EP08156549.1A Expired - Lifetime EP1956289B1 (de) 2000-02-14 2001-02-06 Leuchte

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP06008103A Expired - Lifetime EP1688662B1 (de) 2000-02-14 2001-02-06 Leuchte

Country Status (10)

Country Link
US (1) US6655819B2 (es)
EP (5) EP1255950B1 (es)
AT (2) ATE402373T1 (es)
AU (1) AU779271C (es)
CA (1) CA2399942C (es)
DE (3) DE10006410A1 (es)
DK (2) DK1688662T3 (es)
ES (2) ES2267750T3 (es)
NZ (1) NZ520431A (es)
WO (1) WO2001059364A1 (es)

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WO2001059364A1 (de) 2001-08-16
CA2399942A1 (en) 2001-08-16
EP1255950A1 (de) 2002-11-13
EP1956289A2 (de) 2008-08-13
ES2309856T3 (es) 2008-12-16
DK1255950T3 (da) 2006-10-02
ES2267750T3 (es) 2007-03-16
DE50114158D1 (de) 2008-09-04
EP1688662A2 (de) 2006-08-09
EP1688662A8 (de) 2006-10-04
EP1353117A2 (de) 2003-10-15
EP1255950B1 (de) 2006-06-21
AU5030701A (en) 2001-08-20
DE50110249D1 (de) 2006-08-03
ATE402373T1 (de) 2008-08-15
NZ520431A (en) 2004-11-26
EP2264359A2 (de) 2010-12-22
EP2264359A3 (de) 2014-09-10
ATE331182T1 (de) 2006-07-15
EP1688662A3 (de) 2007-01-24
EP1956289B1 (de) 2015-08-19
EP1353117A3 (de) 2004-01-07
DK1688662T3 (da) 2008-11-24
AU779271C (en) 2005-06-16
US20030007348A1 (en) 2003-01-09
AU779271B2 (en) 2005-01-13
CA2399942C (en) 2007-04-10
US6655819B2 (en) 2003-12-02
DE10006410A1 (de) 2001-08-16
EP1688662B1 (de) 2008-07-23
EP1956289A3 (de) 2008-10-15

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