EP1847763A1 - Dispositif d'éclairage à plusieurs côtés avec anti-éblouissement - Google Patents

Dispositif d'éclairage à plusieurs côtés avec anti-éblouissement Download PDF

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Publication number
EP1847763A1
EP1847763A1 EP07104538A EP07104538A EP1847763A1 EP 1847763 A1 EP1847763 A1 EP 1847763A1 EP 07104538 A EP07104538 A EP 07104538A EP 07104538 A EP07104538 A EP 07104538A EP 1847763 A1 EP1847763 A1 EP 1847763A1
Authority
EP
European Patent Office
Prior art keywords
housing
lighting arrangement
arrangement according
opening
cover
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.)
Granted
Application number
EP07104538A
Other languages
German (de)
English (en)
Other versions
EP1847763B1 (fr
Inventor
Udo Bansbach
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.)
Semperlux AG Lichttechnische Werke
Original Assignee
Semperlux AG Lichttechnische Werke
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 Semperlux AG Lichttechnische Werke filed Critical Semperlux AG Lichttechnische Werke
Publication of EP1847763A1 publication Critical patent/EP1847763A1/fr
Application granted granted Critical
Publication of EP1847763B1 publication Critical patent/EP1847763B1/fr
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
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/005—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips for several lighting devices in an end-to-end arrangement, i.e. light tracks
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • F21V21/112—Fixing lighting devices to pendants
    • 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

Definitions

  • the invention relates to a lighting arrangement comprising a housing, a light source arranged in the housing, the radiation of which emerges from the housing through one or more housing openings and means for deblasting this radiation, wherein at least one housing opening is arranged laterally.
  • Interior lighting arrangements are usually either integrated into the wall or ceiling, provided thereon or suspended from the ceiling as pendant lights.
  • the pendant lights usually have a cuboid, downwardly open housing.
  • the suspension is attached to the top or ends of the housing.
  • the light exits the downward opening from the housing.
  • the opening is provided with fins.
  • the object is achieved in that the housing cover is closed with a transparent cover, which is profiled on the outside with a microstructure, the microstructure in turn is provided with a transparent, smooth cover, wherein the microstructure is designed blinding.
  • the microstructure may in particular be designed in such a way that the angular range visible to persons is blended.
  • the radiation not only goes down but into any desired angular range.
  • the resulting glare is avoided by using a cover with a microstructure.
  • smooth cover is provided on the profile. This additional cover is easy to clean and does not dirty easily. It is still manageable without risk of injury.
  • the housing openings may extend along the majority of the side areas and downwards, and the covers may be arranged in one or more frame parts. By using the profiled covers no glare can occur even with very large light exit openings.
  • the housing may have a rectangular cross section, of which both sides and the lower portion form housing openings, which are covered by flat plates with profiled surface.
  • the housing may also have a polygonal, oval or circular cross section or another organic cross section.
  • the housing can be tapered at the ends, the housing can be designed arcuate or stepped like a staircase.
  • the covers are made of pressed acrylic or glass.
  • the cover may also be made of rolled material or foils. Made of pressed acrylic, the profile can be produced with the greatest precision.
  • the covers can also consist of a fire-retardant plastic, in particular polycarbonate.
  • the microstructures may be microprisms, in particular outwardly projecting microprisms.
  • a microprism has dimensions in the range of a few tenths of a millimeter.
  • pressed, linear or crossed structures are possible.
  • the opening angle of the prisms or linear structures varies over the height of the opening.
  • the laterally radiated radiation can be directed specifically in a preferred angular range.
  • Other angular ranges are illuminated only slightly or not at all. In this way, on the one hand glare, on the other hand, an improved lighting in the desired direction.
  • the housing comprises two end parts, which are connected to each other via frame parts, wherein the frame parts are held by parallel to the end portions extending, planar frames in addition in their position.
  • the frame parts can be profiled struts that have the same cross section over the entire length. This allows a cost-effective production.
  • the frames may be inserted in slots or grooves provided in the struts perpendicular to their longitudinal axis.
  • the light source to For example, a fluorescent lamp, can be passed through a recess in the frames.
  • the end part has an opening into which connecting elements can be inserted.
  • the fasteners can then be snapped or clamped. These fasteners can be variably selected.
  • different connecting elements are used in the same housing. This creates a modular system that can be easily adapted to the requirements.
  • the connecting elements can be connected to one another in an articulated manner and / or with fastening devices. Then several lights can be connected together.
  • the connection angle is variable.
  • a light source can have a spectrum with particularly high intensity in the short-wave spectral range and another light source can have a spectrum with particularly high intensity in the longer-wave spectral range. Then, for example, the light may be varied between a cold, rather blue spectrum corresponding to a high radiation temperature and a warm, rather red spectrum corresponding to a low radiation temperature.
  • FIG. 1 shows an exploded view of a modular lighting arrangement 10.
  • 2 shows a cross section and in Figure 3 is a longitudinal section through the arrangement.
  • 4 and 5 show the arrangement in the assembled state.
  • like parts are given the same reference numerals.
  • the lighting assembly comprises a housing 12.
  • the housing 12 includes two parallel planar end portions 14 and 16.
  • the end portions 14 and 16 are square and parallel.
  • connecting struts 18, 20, 22 and 24 are inserted.
  • the connecting struts are slightly longer than a fluorescent lamp of normal size. They connect the end parts 14 and 16.
  • microprism plates described in more detail below. In Fig. 1, only a lateral micro-prism plate 32 is indicated.
  • the upper opening 34 is covered by a metallic cover 36.
  • a fluorescent lamp 40 On the bottom of a fluorescent lamp 40 is attached.
  • the cover 36 is provided in the lateral areas 42 with a plurality of parallel slots through which light can also escape (see also Fig.19).
  • the cover of the opaque material of the rest of the housing for example, chromed metal or the like.
  • the top of the cover is screwed centrally with another, transparent, opal cover 44 with the rest of the housing. For this purpose, screws 43 are provided. This allows expansion of the cover in both directions when heated.
  • At the ends of the cover control holes 45 are provided.
  • the operating holes 45 facilitate the removal of the cover, e.g. at maintenance.
  • Corresponding holes 47 are provided in the cover 36.
  • the end parts 14 and 16 are provided with vertical, rectangular slots 46 (see also Fig.7).
  • a cuboid projection 48 can be inserted, which sits on a connecting part 50.
  • the connecting part has a vertical bore into which a tube 52 can be inserted. With the tube 52, the lamp is attached to a ceiling, for example.
  • the electrical leads for the supply of the light bulb are housed.
  • the slot 46 has on the inside in the lower edge and a projecting, roof-shaped profile 49.
  • the connecting part 50 has a corresponding profile 51, which is also recognizable in FIG.
  • the connecting part 50 is inserted in the assembly in the slot 46, so that the profiles are positively against each other.
  • a retractable screw is screwed through a corresponding threaded hole 53 in the profile 51 (Fig. 7 and 8). The screw fixed in this way the connecting part in its position.
  • the struts 18, 20, 22 and 24 are provided with slots 60 into which ribs (support inserts) 54 made of metal or a transparent material are used. This is shown in more detail in cross-section in Figure 2 and in the detail view in Fig. 6.
  • the struts 18, 20, 22 and 24 are provided with circular projections 56 which extend in the direction of the illuminant 40.
  • the projections 56 have a central bore 58.
  • Slots 60 along the strut 18 serve as a receptacle for the frames 54.
  • the frames 54 are flat and lie in a plane transverse to the connecting struts. They have four lugs 62, 64, 66 and 68 which extend in the direction of the connecting struts.
  • Each of the flags is provided at its end with a bore which corresponds in the installed state with the bore 58 of the connecting strut 18.
  • a wire or pipe threaded through the holes holds the frames and tie bars together.
  • the frames 54 are rotatably mounted about axes 55. This facilitates the assembly.
  • the covers 70 and the microprism plates 72 are ground on the outer edges 74. This is shown in FIG.
  • the connecting struts and the end pieces 14 and 16 have a corresponding profile.
  • This facet grinding is designed in particular at the end pieces so that tolerances due to the different expansion coefficients of the materials is compensated. It is considered that the end pieces must have greater tolerances due to the greater extent in this direction.
  • the circumferential facet grinding allows the positive engagement between the plates and the castings (end parts) or the struts and the end parts.
  • the covers are held in position.
  • the side housing openings and the downwardly oriented housing opening are covered in this way with glass plates 70.
  • On the inside of the glass plates 70 each micro prism plates 72 are arranged.
  • the microprism plates 72 are pressed from acrylic. They have a plurality of microprisms projecting outwardly towards the glass plate 70.
  • the glass plate protects according to the projections from damage and contamination.
  • FIG. 9 shows a detail of such a microprism plate 72 in detail.
  • the microprisms 71 are in the present embodiment of pyramidal projections, which are arranged directly next to each other.
  • the deflection of a light beam is determined inter alia by the inclination angles ⁇ and ⁇ of the prism surfaces. It has been found that a ratio of the height of the microprisms to the overall height of the structure of 1: 3 is particularly favorable to produce.
  • the microprisms are smaller than 2 mm and are produced with high quality by pressing.
  • FIGS. 10 to 15 show a detail of a microprism plate 73.
  • the prisms have an opening angle 75 of 60 °.
  • FIG. 10 likewise shows a schematically illustrated illuminant 77.
  • Figure 11 the course of the light beams 79 is shown.
  • the light rays 79 are deflected on the microprism plate 73 of FIG. It can be seen that in the configuration shown, within an observation angle 81 of 33.5 ° with respect to the horizontal 83, only very little radiation emerges, while the majority of the radiation concentrates in the steeply upwardly and downwardly directed areas. This avoids blinding observers in the more distant area.
  • the space area below the luminaire e.g. a workplace, on the other hand, is well lit. With such a lighting arrangement, therefore, the perception changes depending on the observer location.
  • the observer entering a room sees little of the lamp and is not dazzled. The closer the observer gets to the lamp, the more it is illuminated.
  • FIGS. 12 and 13 show an arrangement in which the prism angle varies over the height of the illumination arrangement.
  • a prism angle of 60 ° is provided in the middle region 83 of the microprism plate 85.
  • the prisms 89 are constructed asymmetrically. From the large angle 93, which is 98.4 °, only an angle 91 of 30 ° with respect to the horizontal 95 extends upward.
  • the distribution of the asymmetrical prisms is 60 ° and 90 °.
  • the associated beam path is shown in FIG. 13. It can be seen that the middle region in Direction of the horizontal is completely debladed and practically no radiation in this angular range exits.
  • FIG. 14 shows a microprism plate 99 with asymmetrically constructed prisms. However, in contrast to the microprism plates according to FIGS. 10 to 13, these are directed inwards in the direction of the illuminant 101. In such an arrangement results in a course, as shown in Fig. 15. Again, there are areas 103 and 104 that are glare-free.
  • the connecting struts 18, 20, 22 and 24 are provided on their end sides, each with an opening 78 in the longitudinal direction. In these openings 78 corresponding projections 76 are inserted on the inside of the end portions 14 and 16. This is best seen in FIGS. 6 and 7.
  • the top cover rests on the case.
  • the frames 66 are open at the top, as shown in Fig.2.
  • the shape of the frames can be adapted to any cross-sectional shape. It is basically also changeable, which allows virtually any housing shapes.
  • FIG. 7 shows a first possibility of the modular construction.
  • a connecting part 50 is inserted with a projection 48 in the manner already described.
  • the connecting part 50 has a bore 80, in which a tube 52 (s.Fig.1) is introduced. With the tube 52, the light is fixed to the ceiling.
  • FIG.8 and Fig. 16-18 an alternative possibility of the modular design is shown.
  • two connecting parts 82 and 84 of two different lighting elements (not shown) are fastened to the same tube 52.
  • the tube 52 is inserted into a two-part sleeve 86.
  • the sleeve protrudes through holes 88 and 90 in the connecting parts 82 and 84.
  • the connecting parts 82 and 84 each have two recesses 92 and 94, in which engage the thus projecting parts 96 and 98 of the other connecting part. This is shown in FIG.
  • the sleeve parts 104 and 106 of the sleeve 86 each have an opening 108 and 110, respectively (Fig.17, Fig.18).
  • a pin 112 or 114 is provided below the opening 110 or above the opening 108.
  • each sleeve part 104 or 106 is fixed in its position relative to the connecting parts 82 and 84, respectively.
  • the sleeve parts 104 and 106 are rotatable against each other.
  • the opening 110 is always aligned in the direction of the connecting part 82.
  • the opening 108 is always aligned in the direction of the connecting part 84. Both connecting parts are rotated against each other and the openings always remain aligned.
  • the supply line for the lighting arrangement is placed. This is electrically connected to a three-part socket 116.
  • the bushing 116 is shown in detail in FIG.
  • the cover with the fluorescent tube has mating connectors 118. By simply plugging the cover so the electrical contact can be made.
  • the sockets of the luminous means are provided in the cover, which is provided between two connecting struts. The socket is thus not arranged in the end parts.
  • the supply line can be guided directly through the connecting part to the socket 116.
  • linear, crossed and angled lamp assemblies can be created in a similar manner.
  • the desired illumination profiles can be generated.
  • certain angular ranges can be blended and the light can be directed to other areas.
  • the opening angle 100 of the microprisms 102 is variable over the height of the opening. The opening angles are chosen so that the angular range from which can be seen in the light is blinding. The radiation is directed so that it falls into other angular ranges.
  • the glass plates or the back of the profiled plate can be engraved with letters or screen-printed.
  • the lighting arrangement is also suitable for attachment to the wall. Then the tubes 52 and possibly connecting parts are not required.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP07104538A 2006-04-21 2007-03-21 Dispositif d'éclairage à plusieurs côtés avec anti-éblouissement Not-in-force EP1847763B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006019194A DE102006019194A1 (de) 2006-04-21 2006-04-21 Mehrseitige Beleuchtungsanordnung mit Entblendung

Publications (2)

Publication Number Publication Date
EP1847763A1 true EP1847763A1 (fr) 2007-10-24
EP1847763B1 EP1847763B1 (fr) 2010-04-28

Family

ID=38121796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07104538A Not-in-force EP1847763B1 (fr) 2006-04-21 2007-03-21 Dispositif d'éclairage à plusieurs côtés avec anti-éblouissement

Country Status (6)

Country Link
US (1) US7572034B2 (fr)
EP (1) EP1847763B1 (fr)
CN (1) CN101078478B (fr)
AT (1) ATE466232T1 (fr)
DE (2) DE102006019194A1 (fr)
HK (1) HK1113401A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3321561A1 (fr) * 2016-11-09 2018-05-16 Robert A. Sonneman Barre de suspension de puissance pour système d'éclairage modulaire
US10018339B2 (en) 2016-01-07 2018-07-10 Robert A. Sonneman Modular lighting system using hangers and power bars
US10041662B2 (en) 2016-11-09 2018-08-07 Robert A. Sonneman Light bar for a lighting system
US10151466B2 (en) 2016-11-09 2018-12-11 Contemporary Visions, LLC Laterally supported lights
US10174923B2 (en) 2016-11-09 2019-01-08 Contemporary Visions, LLC Hanger for a modular lighting system having a main body with two channels to accommodate two segments of a power bar
US10184645B2 (en) 2016-11-09 2019-01-22 Contemporary Visions, LLC Cylindrical housing for modular lighting system
WO2019038168A1 (fr) * 2017-08-22 2019-02-28 Signify Holding B.V. Système d'éclairage, installation d'éclairage et installation de plafond
US10359182B2 (en) 2016-11-09 2019-07-23 Contemporary Visions, LLC Ring power bar hanger for modular lighting fixture

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006019194A1 (de) * 2006-04-21 2007-10-25 Semperlux Ag - Lichttechnische Werke - Mehrseitige Beleuchtungsanordnung mit Entblendung
DE202007011211U1 (de) * 2007-08-10 2008-12-24 Zumtobel Lighting Gmbh Leuchte
DE202009002025U1 (de) 2009-04-01 2009-05-28 Semperlux Aktiengesellschaft - Lichttechnische Werke - Beleuchtungsanordnung
EP3086030A1 (fr) * 2015-04-24 2016-10-26 GE Lighting Solutions, LLC Ensemble connecteur pour montage de luminaire
US9976728B2 (en) 2015-08-21 2018-05-22 GE Lighting Solutions, LLC Connector assembly for mounting lighting fixture
DE102018222327A1 (de) * 2018-12-19 2020-06-25 Frenger Systemen BV Heiz- und Kühltechnik GmbH Strahlflächenaufbau mit Hochvolt-LEDs

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Publication number Priority date Publication date Assignee Title
GB713115A (en) 1952-01-03 1954-08-04 Crompton Parkinson Ltd Improvements in electric lanterns
US4943900A (en) * 1987-08-10 1990-07-24 Gaertner Klaus Lighting fixture
DE10011257A1 (de) * 1999-09-17 2001-03-22 Siteco Beleuchtungstech Gmbh Hohllichtleiterleuchte mit modularer Lichtauskoppeleinrichtung
US20040195947A1 (en) * 2003-04-04 2004-10-07 Clark Jason Wilfred High brightness LED fixture for replacing high intensity dishcharge (HID) lamps

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US5839823A (en) * 1996-03-26 1998-11-24 Alliedsignal Inc. Back-coupled illumination system with light recycling
JP3104870B2 (ja) * 1998-01-29 2000-10-30 スタンレー電気株式会社 自動車用ランプ
CN2401777Y (zh) * 1999-08-24 2000-10-18 陈学智 投光灯上使用的透光灯罩
TW504557B (en) * 1999-11-29 2002-10-01 Koninkl Philips Electronics Nv Luminaire
US6851833B1 (en) * 1999-12-10 2005-02-08 Jerome H. Simon Optical configurations for distributing radially collimated light
DE10201556A1 (de) * 2002-01-17 2003-07-31 Ludwig Leuchten Kg Plattenleuchte
DE102006019194A1 (de) * 2006-04-21 2007-10-25 Semperlux Ag - Lichttechnische Werke - Mehrseitige Beleuchtungsanordnung mit Entblendung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB713115A (en) 1952-01-03 1954-08-04 Crompton Parkinson Ltd Improvements in electric lanterns
US4943900A (en) * 1987-08-10 1990-07-24 Gaertner Klaus Lighting fixture
DE10011257A1 (de) * 1999-09-17 2001-03-22 Siteco Beleuchtungstech Gmbh Hohllichtleiterleuchte mit modularer Lichtauskoppeleinrichtung
US20040195947A1 (en) * 2003-04-04 2004-10-07 Clark Jason Wilfred High brightness LED fixture for replacing high intensity dishcharge (HID) lamps

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10203100B2 (en) 2016-01-07 2019-02-12 Contemporary Visions, LLC Method and apparatus for hanging lighting fixtures
US10018339B2 (en) 2016-01-07 2018-07-10 Robert A. Sonneman Modular lighting system using hangers and power bars
US10036541B2 (en) 2016-01-07 2018-07-31 Contemporary Visions, LLC Canopy for a modular lighting system
US10527269B2 (en) 2016-01-07 2020-01-07 Contemporary Visions, LLC Modular lighting system using hangers and power bars
US10060609B2 (en) 2016-01-07 2018-08-28 Contemporary Visions, LLC Modular lighting system using hangers and power bars
US10151465B2 (en) 2016-01-07 2018-12-11 Contemporary Visions, LLC Modular lighting system with a plurality of power bars
US10288271B2 (en) 2016-01-07 2019-05-14 Contemporary Visions, LLC Canopy for a modular lighting system
US10156349B2 (en) 2016-01-07 2018-12-18 Contemporary Visions, LLC Method and apparatus for hanging lighting fixtures
US10174923B2 (en) 2016-11-09 2019-01-08 Contemporary Visions, LLC Hanger for a modular lighting system having a main body with two channels to accommodate two segments of a power bar
US10184645B2 (en) 2016-11-09 2019-01-22 Contemporary Visions, LLC Cylindrical housing for modular lighting system
EP3321561A1 (fr) * 2016-11-09 2018-05-16 Robert A. Sonneman Barre de suspension de puissance pour système d'éclairage modulaire
US10281126B2 (en) 2016-11-09 2019-05-07 Contemporary Visions, LLC Power bar hanger for modular lighting system
US10151466B2 (en) 2016-11-09 2018-12-11 Contemporary Visions, LLC Laterally supported lights
US10359182B2 (en) 2016-11-09 2019-07-23 Contemporary Visions, LLC Ring power bar hanger for modular lighting fixture
US10041662B2 (en) 2016-11-09 2018-08-07 Robert A. Sonneman Light bar for a lighting system
WO2019038168A1 (fr) * 2017-08-22 2019-02-28 Signify Holding B.V. Système d'éclairage, installation d'éclairage et installation de plafond
US10865954B2 (en) 2017-08-22 2020-12-15 Signify Holding B.V. Lighting system, lighting installation and ceiling installation

Also Published As

Publication number Publication date
ATE466232T1 (de) 2010-05-15
DE502007003562D1 (de) 2010-06-10
DE102006019194A1 (de) 2007-10-25
EP1847763B1 (fr) 2010-04-28
US7572034B2 (en) 2009-08-11
US20070247845A1 (en) 2007-10-25
HK1113401A1 (en) 2008-10-03
CN101078478A (zh) 2007-11-28
CN101078478B (zh) 2010-06-02

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