EP0813026A2 - Dispositif d'éclairage - Google Patents

Dispositif d'éclairage Download PDF

Info

Publication number
EP0813026A2
EP0813026A2 EP97109523A EP97109523A EP0813026A2 EP 0813026 A2 EP0813026 A2 EP 0813026A2 EP 97109523 A EP97109523 A EP 97109523A EP 97109523 A EP97109523 A EP 97109523A EP 0813026 A2 EP0813026 A2 EP 0813026A2
Authority
EP
European Patent Office
Prior art keywords
reflector
lighting device
lamp
reflector unit
unit
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.)
Withdrawn
Application number
EP97109523A
Other languages
German (de)
English (en)
Other versions
EP0813026A3 (fr
Inventor
Christian Bartenbach
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 DE29724321U priority Critical patent/DE29724321U1/de
Publication of EP0813026A2 publication Critical patent/EP0813026A2/fr
Publication of EP0813026A3 publication Critical patent/EP0813026A3/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • 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
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/05—Optical design plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures

Definitions

  • the invention relates to a lighting device with at least one lamp-reflector unit.
  • Such a lamp-reflector unit can emit light with a narrow light distribution curve in a predetermined solid angle range.
  • a favorable large-area, at least partially highly reflective reflector with a spatially structured surface onto which the lamp arranged next to the reflector is located -Reflector unit strikes light slanting obliquely, the structured surface having normal to the reflector inclined reflection surfaces which at least partially point to the lamp-reflector unit.
  • the large-area structured reflector can advantageously be flat overall and be arranged vertically on a room wall in order to produce a “luminous wall”.
  • FIG. 1 shows a schematic side view of an exemplary embodiment of a lighting device according to the invention.
  • Fig. 2 shows the light distribution curve of the lamp-reflector unit of an embodiment.
  • 3 shows on an enlarged scale the sawtooth structure of an embodiment of a reflector.
  • 4 shows a further exemplary embodiment in which the reflector with a spatially structured surface is formed by a louvre blind.
  • 5 shows an alternative spatial structure of the surface of the reflector.
  • a lamp reflector unit 1 is provided in the upper part, which in addition to an elongated lamp 2 (for example fluorescent tube) comprises a curved reflector 3.
  • the task of this lamp-reflector unit 1 is to throw light with a narrow-beam light distribution at an angle onto the large-area reflector 4 according to the invention with a structured surface.
  • the light strikes the reflector 4, i.e. H.
  • the angle of incidence ⁇ is at least between 5 ° and 90 °, preferably between 10 ° and 55 °.
  • the direction of the maximum intensity of the light distribution curve originating from the lamp-reflector unit includes an angle ⁇ between 1 ° and 10 ° with the reflector.
  • the angle ⁇ is shown in the light distribution curve of the lamp-reflector unit 1 according to FIG. 2.
  • the direction of the intensity maximum of the light emerging from the lamp-reflector unit 1 is drawn there with dashed lines.
  • the reflector 4 is formed over a large area. Its visible area can advantageously be more than 1 m 2 . Its height can advantageously extend over a large part of the room height, so that overall there is a kind of "luminous wall".
  • the reflector 4 is at least partially highly reflective, i.e. the degree of reflection is more than 85%, advantageously more than 95% (in particular this can be achieved by a high-gloss mirroring).
  • the reflector 4 has a spatially structured surface.
  • the exemplary embodiment shown is a sawtooth structure as shown in more detail in FIG. 3.
  • the reflector has normal to the reflector inclined reflection surfaces 5, 6, which intersect to form a linear edge 7 and partially (reflection surface 5) to the lamp-reflector unit 1.
  • Such a design which can be achieved in particular by means of a sawtooth structure, ensures that light beams l 1 from the smaller, directed towards the lamp-reflector unit 1 reflecting surface 5 are reflected (light beam 1 1 '). If light beams 1 2 are directed toward the advantageously rounded edge 7, then there is scattering, ie an angular expansion, the resulting light beams 1 2 ', 1 2 '', 1 2 ''' being scattered in different spatial directions.
  • the luminance observed in the direction l 1 can be 200 cd / m 2 .
  • This luminance essentially results from scattering at the edges of the sawtooth profile.
  • the luminance can be 30 cd / m 2 , for example.
  • This luminance also results from scattering at the edges of the sawtooth profile.
  • a luminance of, for example, 40 cd / m 2 is still obtained from the lower region of the luminous wall (direction l 3 ), which results from the directional light reflection on the upper, smaller reflection surfaces 5 of the sawtooth structure.
  • FIG. 5 shows a top view of a small section of the reflector 4. The surface has straight pyramids facing one another with a square base.
  • the structural height h of the structured surface of the reflector 4 is in the millimeter range and below, preferably less than 1 mm, and if the structure division between similar structural elements of the reflector is preferably in the millimeter range is between 1 and 2 mm.
  • Such structures can still be produced relatively easily, for example from highly reflective or high-gloss aluminum or from plastic which is vapor-coated with a high-gloss metal layer.
  • the structure is fine enough so that it cannot be completely resolved by the eye of the beholder, so that overall there is a uniform light impression of the luminous wall according to the invention.
  • the elongated light source 2 leads to illumination that is homogeneous in width.
  • spotlights for example halogen vapor lamps with suitable reflectors, can also be used as lamp-reflector units.
  • all of the light emerging from the lamp-reflector unit 1 strikes the large-area reflector 4.
  • a lamp-reflector unit not only at the top but also at the bottom and thus to irradiate the reflector 4 from two (or even from several) sides.
  • the reflector 4 is curved as a whole in order to achieve an even more uniform light distribution.
  • the large-area reflector 4 consists of a slatted blind 5, the slats 5a of which are designed to be highly reflective, at least on the side facing the lamp-reflector unit (shown in FIG. 4 at the top and not shown).
  • An existing anti-glare device behind a window 8 can advantageously be used in that the slats of the slatted blind are tilted outwards in daylight or in the sun and tilted inwards in the case of artificial lighting, as shown in FIG. 4.
  • the position of the slats 5a can be adjusted in a manner known per se.
  • the light originating from the lamp-reflector unit strikes a partial area A of the slats 5a and is reflected by this partial area.
  • the lamellae 5a can be roughened on their upper side in order to bring about a diffuse reflection, as is indicated by the light distribution curve LVK shown.
  • the undersides of the slats 5a are preferably matt gray in order to avoid disruptive multiple reflections.
  • the high-gloss slatted blind which is illuminated from above, creates a bright, even wall impression that can be used to comfortably illuminate rooms.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP97109523A 1996-06-14 1997-06-12 Dispositif d'éclairage Withdrawn EP0813026A3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29724321U DE29724321U1 (de) 1996-06-14 1997-06-12 Beleuchtungseinrichtung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT104696 1996-06-14
AT1046/96 1996-06-14
AT104696 1996-06-14

Publications (2)

Publication Number Publication Date
EP0813026A2 true EP0813026A2 (fr) 1997-12-17
EP0813026A3 EP0813026A3 (fr) 1999-12-22

Family

ID=3505420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97109523A Withdrawn EP0813026A3 (fr) 1996-06-14 1997-06-12 Dispositif d'éclairage

Country Status (1)

Country Link
EP (1) EP0813026A3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1017526A3 (nl) * 2007-03-23 2008-11-04 Voorwerp met verlichting.
FR2931748A1 (fr) * 2008-05-29 2009-12-04 Faurecia Interieur Ind Element d'habillage interieur lumineux, porte et vehicule automobile correspondant.
US8424905B2 (en) 2008-10-02 2013-04-23 Faurecia Interieur Industrie Interior trim assembly for a motor vehicle and motor vehicle
EP2802806A2 (fr) * 2012-01-06 2014-11-19 Cree, Inc. Luminaire à réflecteur texturé
US9150183B2 (en) 2008-10-30 2015-10-06 Faurecia Interieur Industrie Process for manufacturing an automobile interior trim part with an airbag cover and to the associated machine
US9476566B2 (en) 2012-01-06 2016-10-25 Cree, Inc. Light fixture with textured reflector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1021159A (en) * 1963-11-18 1966-03-02 Lucas Industries Ltd Lamps
FR2487400A1 (fr) * 1980-07-19 1982-01-29 Miller Herman Inc Panneau d'isolation acoustique reflechissant la lumiere, notamment pour faux-plafonds
US4799136A (en) * 1987-05-29 1989-01-17 Guth Lighting Systems, Inc. Lighting fixture having concave shaped reflector and improved asymmetric light reflection system
DE4429888A1 (de) * 1994-08-24 1996-03-07 Koester Helmut Dipl Ing Archit Leuchten-Reflektordecken-Einheit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1021159A (en) * 1963-11-18 1966-03-02 Lucas Industries Ltd Lamps
FR2487400A1 (fr) * 1980-07-19 1982-01-29 Miller Herman Inc Panneau d'isolation acoustique reflechissant la lumiere, notamment pour faux-plafonds
US4799136A (en) * 1987-05-29 1989-01-17 Guth Lighting Systems, Inc. Lighting fixture having concave shaped reflector and improved asymmetric light reflection system
DE4429888A1 (de) * 1994-08-24 1996-03-07 Koester Helmut Dipl Ing Archit Leuchten-Reflektordecken-Einheit

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1017526A3 (nl) * 2007-03-23 2008-11-04 Voorwerp met verlichting.
FR2931748A1 (fr) * 2008-05-29 2009-12-04 Faurecia Interieur Ind Element d'habillage interieur lumineux, porte et vehicule automobile correspondant.
WO2009156630A1 (fr) * 2008-05-29 2009-12-30 Faurecia Interieur Industrie Elément d'habillage intérieur lumineux, porte et véhicule automobile correspondants
CN102089187A (zh) * 2008-05-29 2011-06-08 佛吉亚汽车内部设备工业公司 发光内装饰元件以及相应的门和机动车辆
CN102089187B (zh) * 2008-05-29 2015-09-16 佛吉亚汽车内部设备工业公司 发光内装饰元件以及相应的门和机动车辆
US8424905B2 (en) 2008-10-02 2013-04-23 Faurecia Interieur Industrie Interior trim assembly for a motor vehicle and motor vehicle
US9150183B2 (en) 2008-10-30 2015-10-06 Faurecia Interieur Industrie Process for manufacturing an automobile interior trim part with an airbag cover and to the associated machine
EP2802806A2 (fr) * 2012-01-06 2014-11-19 Cree, Inc. Luminaire à réflecteur texturé
US9476566B2 (en) 2012-01-06 2016-10-25 Cree, Inc. Light fixture with textured reflector
US9488329B2 (en) 2012-01-06 2016-11-08 Cree, Inc. Light fixture with textured reflector

Also Published As

Publication number Publication date
EP0813026A3 (fr) 1999-12-22

Similar Documents

Publication Publication Date Title
DE2238589C3 (de) Lichtstreuende ebene Abdeckplatte für Deckenleuchten
DE2124021A1 (fr)
EP2264359A2 (fr) Luminaire
EP1154200A2 (fr) Distributeur de lumière pour un système d'éclairage, système d'éclairage et utilisation d' un système d'éclairage
EP2112426A2 (fr) Eclairage doté d'une source lumineuse étirée en longueur et d'un élément d'éclairage également étiré en longueur
DE69514005T2 (de) Gestufte lamelle für gerichtete lichtstrahlung
EP2880361B1 (fr) Dispositif d'éclairage
EP0735311A1 (fr) Système d'éclairage intérieur
DE4109492A1 (de) Leuchtenraster
EP0677697B1 (fr) Appareil d'éclairage pour plan de travail
EP0813026A2 (fr) Dispositif d'éclairage
DE3416161A1 (de) Vorrichtung zur indirekten raumbeleuchtung
DE9403361U1 (de) Leuchten und Lichtlenkblende dafür
DE102012019421A1 (de) Beleuchtbares Fassadenpaneel
DE4215968A1 (de) Lichtlenkende Struktur zum Beleuchten eines Raumes mit Tageslicht
DE102010037630A1 (de) Leuchte
EP1035369B1 (fr) Système d'éclairage
DE4312889A1 (de) Vorwiegend direkt strahlende Leuchte mit einem abgehängten Lichtleitkörper
DE29724321U1 (de) Beleuchtungseinrichtung
DE3014365A1 (de) Leuchte mit einer langgestreckten lampe und einem darunter angeordneten spiegelraster
DE102006019202A1 (de) Flachleuchte zur Ausstrahlung von Licht in einer bauformabhängigen Richtung mit bauformabhängigem Helligkeitsprofil
DE19955435C1 (de) Entblendungselement für langgestreckte Leuchtkörper
DE4406458A1 (de) Reflektor zur indirekten Raumbeleuchtung
DE4429888A1 (de) Leuchten-Reflektordecken-Einheit
DE4335446C2 (de) Beleuchtungssystem

Legal Events

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

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT CH DE DK GB LI NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

17P Request for examination filed

Effective date: 20000121

17Q First examination report despatched

Effective date: 20000420

AKX Designation fees paid

Free format text: AT CH DE DK GB LI NL

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20000831