EP1843081A2 - Eclairage, en particulier éclairage d'intérieur - Google Patents

Eclairage, en particulier éclairage d'intérieur Download PDF

Info

Publication number: EP1843081A2
Authority: EP; European Patent Office
Prior art keywords: light; luminaire according; openings; illumination sources; scattering body
Prior art date: 2006-04-03
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

EP07004838A

Other languages

German (de)

English (en)

Other versions

EP1843081B1 (fr

EP1843081A3 (fr

Inventor

Dietrich Brennenstuhl

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.)

Nimbus Group GmbH

Original Assignee

Nimbus Design GmbH

Nimbus Group 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.)

2006-04-03

Filing date

2007-03-06

Publication date

2007-10-10

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38222727&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1843081(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2007-03-06 Application filed by Nimbus Design GmbH, Nimbus Group GmbH filed Critical Nimbus Design GmbH

2007-10-10 Publication of EP1843081A2 publication Critical patent/EP1843081A2/fr

2008-03-05 Publication of EP1843081A3 publication Critical patent/EP1843081A3/fr

2009-06-17 Application granted granted Critical

2009-06-17 Publication of EP1843081B1 publication Critical patent/EP1843081B1/fr

Status Active legal-status Critical Current

2027-03-06 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
- F21V11/14—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures with many small apertures
- 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
- F21V5/00—Refractors for light sources
- F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
- F21S8/033—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade
- 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
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
- 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]
- F21Y2115/15—Organic light-emitting diodes [OLED]

Definitions

the invention relates to a luminaire, in particular a room luminaire, with a plurality of illumination sources and with a diffusely light-scattering body provided on the emission side of the illumination sources.
DE 100 57 559 A1 discloses a non-generic photogenerating assembly having a plurality of illumination sources disposed at the bottom of apertures of a shadow mask on a circuit board and radiating only through the apertures of the shadow mask.
the openings bounding the openings of the shadow mask serve as reflectors for the radiation.
the openings are also filled or covered by a lenticular body, which can influence the emission direction.
the present invention has for its object to provide a lamp with the one hand, a high directional illuminance can be achieved, on the other hand, but also a visually appealing radiation outside the directional radiation is possible.
a lamp of the type mentioned in the present invention that the light-scattering body has a plurality of extending to the emission side openings through which the illumination sources, forming a primary radiation radiate from the light-scattering material of the body substantially unhindered, and that Light, which is not emitted by the illumination sources through the widening openings as primary radiation, is introduced into the light-scattering body and is emitted by this as diffused secondary radiation.
a transparent, but nevertheless light-scattering body or a translucent body by providing the widening openings in such a way that it aligns radiation of the illumination sources in a predetermined main emission direction and does not substantially hinder it; this emitted in the main emission direction primary radiation of the illumination sources should thus not just scattered or substantially attenuated or weakened in any way.
the illumination power of the secondary radiation is particularly and preferably much lower than that Illumination power of the primary radiation. It is preferably only about 10 to 40%, in particular 10 to 30% of the illumination power of the primary radiation.
the secondary radiation illuminates the light-scattering body, and the light is emitted substantially homogeneously on all sides.
the illumination sources being arranged so that they emit in the direction of the respective main axis of the openings.
the major axes of the respective openings it would also be possible for the major axes of the respective openings to be slightly inclined relative to one another.
the main axes of the respective openings are slightly inclined away from each other, provided that a total directed primary radiation, but associated with a slight widening of the light cone, should be desired.
the openings or a part of the openings have a conically widening geometry, that are limited by a surface which corresponds to the inside of a cone or truncated cone.
the openings are bounded by flat flanks, so that they have a rather prismatic or pyramidal geometry.
Other shapes are also conceivable as long as a directed primary radiation of the illumination sources in a main emission direction can be realized through the respective openings.
the openings form an opening angle of 50 to 100 °, in particular from 50 to 90 °, in particular from 50 to 80 ° and more particularly from 50 to 70 °.
the openings on the side facing the illumination sources have a dimension of the opening area, that is to say a diameter of the clear cross-sectional area of 2 to 7 mm, in particular 2 to 6 mm, in particular 4 to 6 mm.
the light-scattering body preferably has a thickness in the direction of the main axis of the openings of 3 to 20 mm, in particular 3 to 15 mm, in particular 3 to 10 mm.
the openings on the side facing the illumination sources have a diameter of 5 mm and have an opening angle of 60 °.
the plate thickness of the body is for example 6 mm.
the openings then have on the emission side about 12 mm in diameter.
the openings form passage openings through the light-scattering body.
the illumination sources can be arranged on a support other than the light-diffusing body.
the light-scattering body can be placed as a cover on a the electrical components and the illumination sources receiving carrier of the lamp.
the luminaire can advantageously be provided as a flat surface-mounted luminaire on a wall or, preferably, on a ceiling. But it can also be designed as a floor lamp or table lamp or in any other form.
the diffusely light-scattering body may be plate-shaped, ie. H. have a greater than its thickness areal extent.
the thickness should, however, be chosen so that a directed primary radiation corresponding to the ideas can be achieved.
the previously stated dimension of the light-scattering body in the direction of the main axis and the openings may serve as a guide.
the light-scattering body may be formed by a solid colored satin material which is inherently colored. It can in particular and advantageously comprise a diffusely scattering plastic material or plastic glass, in particular PMMA. But it could also include paper or a cover made of paper or an open-pore wood material.
the light-scattering body can be colorless, white-diffuse or colored, for example red, green, blue or yellow. With colored training, the in distinguish the radiated secondary radiation color of the primary radiation.
the illumination sources are advantageously formed by LEDs, in particular so-called white-light LEDs.
the illumination sources are also advantageously provided in grid or array form.
the luminaire according to the invention comprises between 2 to 100, in particular 2 to 80, in particular 2 to 70, in particular 10 to 70, in particular 10 to 50 illumination sources.
a respective illumination source may comprise, for example, a PLCC6 housing with 2-4 LEDs, in particular with three LEDs.
the illumination sources are advantageously provided on a printed circuit board or a carrier in the broadest sense. On this carrier then the light-scattering body is preferably mounted without tools, in particular latched.
the figures show a generally designated by the reference numeral 2 lamp with a plurality of illumination sources 4, which are provided in an array on a printed circuit board 6. Radiating side to the illumination sources 4, a plate-shaped diffuse light scattering body 8 is provided. On the back of the circuit board 6, a support plate 10 of the lamp is provided in the form of a folded support plate against which the circuit board and the light-scattering body 8 can be mounted.
the illumination sources 4 are each formed in the form of a PLCC6 housing 12 with, for example, three LEDs incorporated therein and contacted with printed conductors of the printed circuit board 6, not shown.
the printed circuit board 6 itself comprises a flat aluminum plate 14, on the electrically insulated from the aluminum plate 14, the printed conductors, not shown, are provided.
the interconnects and PLCC6 housing are in turn covered with another electrically insulating coating 16 forming the visible side of the printed circuit board 6.
a plurality of openings 18 are provided correspondingly to the arrangement of the illumination sources 4.
the openings 18 are formed conically in the case shown by way of example and expand in the direction of radiation. They have an opening angle of 60 °.
the smaller diameter end 20 of the openings 18 with a diameter of the clear cross-sectional area of 5 mm covers the illumination sources 4 or aligned with the illumination sources 4, as can be seen in particular from Figures 2 and 3. Due to the widening openings 18, a largely directed primary radiation of the illumination sources 4 in the direction of a main emission direction 22 is achieved. In contrast, a small proportion of the radiation or illumination power of the illumination sources 4, which enters the light-diffusing body 8, in particular through the wall 24 delimiting the openings 18, is diffused. Therefore, the diffused light scattering body 8 appears uniformly illuminated.
the printed circuit board 6 carrying the illumination source 4 can be mounted on the carrier plate 10.
the plate-shaped light-diffusing body 8 with the openings 18 can be snapped onto the support plate 10 preferably without tools.
the entire luminaire can be applied directly to a flush-mounted box, in particular screwed over the support plate 10.
the other electrical components such as a 12 W converter, housed.
the lamp is screwed, for example by means of a screw on a cavity wall, in which case the converter is inserted into the cavity wall. Since the converter usually builds little deep and, for example, has only 22 mm height, a space-saving installation is conceivable.
the luminaire 2 with the components shown in Figure 1 has a construction height of, for example, only 10 mm with an edge length of about 100 to 155 mm. Using a total of 36 LED housings together, a power of, for example, 12 W can be achieved.
Figures 4, 5 and 6 show further embodiments of the plate-shaped light scattering body 8, in which the openings 18 have no conical, but rather a prismatic geometry.
the openings 26 of the body 8 according to FIG. 4 are delimited by flat flanks 28.
the openings 26 are delimited by planar flanks 28, as in FIG. 4, wherein the transition 29 between the flat flanks 28 is rounded.
the openings 30 of the body 8 according to FIG. 6 are delimited by a continuous rounded wall 32.
FIG. 7 shows an embodiment in which the light-scattering body 8 can also be formed by deep-drawing a flat material.

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Non-Portable Lighting Devices Or Systems Thereof (AREA)

EP07004838A 2006-04-03 2007-03-06 Eclairage, en particulier éclairage d'intérieur Active EP1843081B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102006016218A DE102006016218A1 (de)	2006-04-03	2006-04-03	Leuchte, insbesondere Raumleuchte

Publications (3)

Publication Number	Publication Date
EP1843081A2 true EP1843081A2 (fr)	2007-10-10
EP1843081A3 EP1843081A3 (fr)	2008-03-05
EP1843081B1 EP1843081B1 (fr)	2009-06-17

Family

ID=38222727

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07004838A Active EP1843081B1 (fr)	2006-04-03	2007-03-06	Eclairage, en particulier éclairage d'intérieur

Country Status (3)

Country	Link
EP (1)	EP1843081B1 (fr)
AT (1)	ATE434150T1 (fr)
DE (2)	DE102006016218A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2071231A1 (fr)	2007-12-13	2009-06-17	Nimbus Group GmbH	Eclairage, en particulier éclairage d'intérieur
EP2230448A1 (fr) *	2009-03-18	2010-09-22	Christian Bartenbach	Cascade de miroirs à DEL
CH701423A1 (de) *	2009-07-10	2011-01-14	Christoph Liebetrau Ur Brain Gmbh	High-Power LED-Flachleuchte.
ITPD20090379A1 (it) *	2009-12-18	2011-06-19	Dese Elettronica Srl	Lampada a led per l illuminazione stradale
WO2014128601A1 (fr) *	2013-02-25	2014-08-28	Koninklijke Philips N.V.	Dispositif d'éclairage
WO2014170746A1 (fr) *	2013-04-19	2014-10-23	Photoquip India Ltd.	Luminaire à del
EP2107297B1 (fr) *	2008-04-04	2017-01-04	Nimbus Group GmbH	Eclairage, en particulier éclairage d'intérieur
WO2017134168A1 (fr) *	2016-02-03	2017-08-10	Osram Oled Gmbh	Éclairage et procédé pour fabriquer un éclairage

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102010012824A1 (de)	2010-03-25	2011-09-29	Inlight Gmbh & Co. Kg	Lichtbrechungsvorrichtung
DE102011117156A1 (de)	2011-10-28	2013-05-02	Tobias Grau	Leuchte
DE202013010472U1 (de)	2013-11-22	2015-02-24	Dirk Wortmeyer	Aufhängung für Strahler mit Beleuchtungszweck
DE102016101614A1 (de)	2016-01-29	2017-08-03	Osram Opto Semiconductors Gmbh	Leuchtvorrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10057559A1 (de)	2000-11-21	2002-05-23	Zumtobel Staff Gmbh	Lichterzeugende Anordnung

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US2904673A (en) *	1957-02-13	1959-09-15	Sr Edwin F Guth	Light diffusors for illuminating devices
US3600570A (en) *	1967-12-11	1971-08-17	Mitsubishi Rayon Co	Low glare louver
FR2576249A1 (fr) *	1985-01-21	1986-07-25	Mora Michel	Paroi translucide a couche de bois
DE19503776A1 (de) *	1995-02-04	1996-08-08	Kruse Christian	Verbundwerkstoff und daraus hergestellter Gegenstand
US5592578A (en) *	1995-11-01	1997-01-07	Hewlett-Packard Company	Peripheral optical element for redirecting light from an LED
DE19620659C2 (de) *	1996-05-22	2002-06-27	Zumtobel Licht	Leuchte mit einer Lichtaustrittsscheibe
DE19917401A1 (de) *	1999-04-16	2000-10-26	Hauke Haller	Beleuchtungskörper
US6305826B1 (en) *	1999-08-26	2001-10-23	Jerry S. C. Yang	Lamp assembly with a casing that partially transmits light in order to reduce shadows
ES2286170T3 (es) *	2001-03-09	2007-12-01	Christian Bartenbach	Cuerpo luminoso para iluminacion de espacios.
WO2004102064A1 (fr) *	2003-05-15	2004-11-25	Lucea Ag	Source lumineuse

2006
- 2006-04-03 DE DE102006016218A patent/DE102006016218A1/de not_active Withdrawn
2007
- 2007-03-06 DE DE502007000868T patent/DE502007000868D1/de active Active
- 2007-03-06 AT AT07004838T patent/ATE434150T1/de active
- 2007-03-06 EP EP07004838A patent/EP1843081B1/fr active Active

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10057559A1 (de)	2000-11-21	2002-05-23	Zumtobel Staff Gmbh	Lichterzeugende Anordnung

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102007062268A1 (de)	2007-12-13	2009-06-25	Nimbus Group Gmbh	Leuchte, insbesondere Raumleuchte
EP2071231A1 (fr)	2007-12-13	2009-06-17	Nimbus Group GmbH	Eclairage, en particulier éclairage d'intérieur
EP2107297B1 (fr) *	2008-04-04	2017-01-04	Nimbus Group GmbH	Eclairage, en particulier éclairage d'intérieur
EP2230448A1 (fr) *	2009-03-18	2010-09-22	Christian Bartenbach	Cascade de miroirs à DEL
CH701423A1 (de) *	2009-07-10	2011-01-14	Christoph Liebetrau Ur Brain Gmbh	High-Power LED-Flachleuchte.
ITPD20090379A1 (it) *	2009-12-18	2011-06-19	Dese Elettronica Srl	Lampada a led per l illuminazione stradale
WO2014128601A1 (fr) *	2013-02-25	2014-08-28	Koninklijke Philips N.V.	Dispositif d'éclairage
CN105026834A (zh) *	2013-02-25	2015-11-04	皇家飞利浦有限公司	照明设备
US9714744B2 (en)	2013-02-25	2017-07-25	Philips Lighting Holding B.V.	Lighting device
CN105026834B (zh) *	2013-02-25	2019-04-23	飞利浦照明控股有限公司	照明设备
WO2014170746A1 (fr) *	2013-04-19	2014-10-23	Photoquip India Ltd.	Luminaire à del
CH708000A1 (de) *	2013-04-19	2014-10-31	Photoquip India Ltd	LED-Leuchte.
WO2017134168A1 (fr) *	2016-02-03	2017-08-10	Osram Oled Gmbh	Éclairage et procédé pour fabriquer un éclairage

Also Published As

Publication number	Publication date
EP1843081B1 (fr)	2009-06-17
EP1843081A3 (fr)	2008-03-05
DE102006016218A1 (de)	2007-10-04
DE502007000868D1 (de)	2009-07-30
ATE434150T1 (de)	2009-07-15

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