EP2734777B2 - Dispositif d'émission de lumière - Google Patents

Dispositif d'émission de lumière Download PDF

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Publication number
EP2734777B2
EP2734777B2 EP12735561.8A EP12735561A EP2734777B2 EP 2734777 B2 EP2734777 B2 EP 2734777B2 EP 12735561 A EP12735561 A EP 12735561A EP 2734777 B2 EP2734777 B2 EP 2734777B2
Authority
EP
European Patent Office
Prior art keywords
light
lenses
lens
arrangement
opening
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.)
Active
Application number
EP12735561.8A
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German (de)
English (en)
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EP2734777A1 (fr
EP2734777B1 (fr
Inventor
Stephan Ebner
Patrik Gassner
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 Austria
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
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Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Priority to PL12735561T priority Critical patent/PL2734777T5/pl
Publication of EP2734777A1 publication Critical patent/EP2734777A1/fr
Application granted granted Critical
Publication of EP2734777B1 publication Critical patent/EP2734777B1/fr
Publication of EP2734777B2 publication Critical patent/EP2734777B2/fr
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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
    • F21V5/007—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
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • F21V5/008—Combination of two or more successive refractors along an optical axis
    • 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
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear 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]

Definitions

  • an elongated assembly having a plurality of LEDs, each LED having a first optical device associated therewith and the elongated assembly having a second optical device common to all the LEDs or first optical devices disposed upstream of the first optical devices.
  • US 2006/0146531 discloses an arrangement for emitting light according to the preamble of claim 1.
  • the present invention is based on the object of further developing the above-outlined arrangement for emitting light such that the ⁇ réellespp. Beam angle of the arrangement for emitting light can be changed without the lenses or the optical element must be replaced.
  • FIG. 1 As already explained, an arrangement known from the prior art for emitting light 1 is shown.
  • FIG. 2 is the radiation characteristic or light intensity distribution curve of such first lens 6 and the optical element 2 and thus the arrangement for light emission 1 in the C0 / C180 plane and thus shown in the transverse direction to the arrangement for light emission 1 and the optical element 2.
  • This light intensity distribution is suitable, for example, for shops, where shelves along the corridors left and right are arranged relatively close to the aisles, which are to be particularly illuminated by appropriate arrangements for light output 1.
  • FIG. 5 The corresponding luminous intensity distribution curve or Lichtabstrahl characterizing to the in FIG. 4 shown arrangement for light emission 1 is in FIG. 5 shown.
  • the two tip areas are to be taken at 15 °, only a tip area at 0 ° to remove, resulting in an opening or beam angle of 0 °.
  • the arrangement for emitting light 1 is suitable FIG. 4 For example, for the lighting of corridors in shops, where no shelves are arranged left and right.
  • Such an embodiment is, for example, as desirable, for example, when no shelves are arranged laterally along a corridor and accordingly only the corridor is to be illuminated or when high shelves are to be illuminated. In this case, however, it is no longer necessary that in an arrangement for emitting light, the entire optical element must be replaced. Rather, it is readily possible that an arrangement for emitting light is installed with a corresponding optical element and then assigned according to the local conditions subsequently second lenses of the arrangement for emitting light. So it is conceivable, for example, that in a redesign of aisles in shops, where previously normal shelves were arranged laterally along the aisle and accordingly, for example, arrangements for the light output 1 as in FIG. 1 have been used, after a redesign in which the shelves have been removed or arranged correspondingly high shelves, not the entire assembly must be exchanged for light emission or optical element 2 but only second lenses 7 of the light emitting device 1 assigned have to.
  • FIG. 4 embodiment shown shows a variant in which the opening or beam angle is substantially 0 °. It would also be conceivable, however, that the opening or emission angle is not reduced so much or even more strongly.
  • a second lens 8 is provided after the first lens 6, by which the opening or emission angle of the light emitted from the first lens is increased.
  • the second lens 8 is in this case designed such that half the opening or emission angle has a value of about 30 °.
  • the light intensity distribution curve of in FIG. 6 wherein, in comparison with the luminous intensity distribution curve in FIG. 2 It can be seen that the two pointed areas are now at 30 ° and thus the opening or emission angle has a value of 60 °. Accordingly, this light emitting device 1 has a luminous intensity distribution which, like the luminous intensity distribution in FIG FIG. 1 shown arrangement for light emission 1, two substantially symmetrical wing shows.
  • the second lens 8 has a wide-open V-shape on the side facing away from the first lens 6, wherein the tip of the V-shape in the direction of the first lens 6 shows.
  • This essentially the counterpart to the shape of the second lens 7 FIG. 4 forming form breaks or deflects the light emitted by the first lens 6 in such a way that the half-opening or emission angle predetermined by the first lens is increased from 15 ° to 30 °.
  • an arrangement according to the invention can be used for light output, for example, to illuminate shelves in wider aisles or lower heights of ceilings in sales rooms. So it would also be conceivable that, for example, in a redesign of a sales room in which a corridor is widened or the suspension height of the ceiling is made lower, the previously used arrangement for light emission 1, such as in FIG. 1 shown, is adapted by the simple attachment of the second lens 8 and thus ensures that even after the redesign of the sales rooms, the shelves are well illuminated accordingly.
  • the second lens 8 may also be configured so that a greater or lesser enlargement of the opening or radiation angle takes place.
  • this can be changed by a predetermined by a first optics opening or beam angle by a second arranged after the first optics optics, wherein in the C90 / C270 level influencing (glare, luminance reduction, compliance UGR) takes place in particular by the first lens and the second lens hardly influences it.
  • C90 / C270 level influencing luminance reduction, compliance UGR

Landscapes

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

Claims (5)

  1. Dispositif (1) d'émission de lumière, comportant plusieurs sources lumineuses LED (4) et plusieurs premières lentilles (6) disposées dans la direction du rayonnement lumineux après les sources lumineuses LED (4), dans lequel les premières lentilles (6) sont combinées dans un élément optique (2) et des secondes lentilles (7, 8) sont disposées dans la direction de rayonnement lumineux située après les premières lentilles (6) pour influencer la lumière dégagée par les premières lentilles (6), caractérisé en ce que la courbe de distribution d'intensité de lumière de la lumière dégagée par chaque première lentille (6) possède, sur le plan C0/C180, deux ailes essentiellement symétriques divisées l'une de l'autre qui reposent essentiellement dans un intervalle d'angle compris entre 0° et 90°, par rapport à un axe parallèle à la direction de rayonnement lumineux à travers le foyer de lumière de la première lentille (6) respective, et possède une zone d'extrémité et des zones latérales adjacentes à celle-ci des deux côtés, où dans les zones latérales, l'intensité lumineuse décroît à une valeur bien plus faible que dans la zone d'extrémité, dans lequel la zone d'extrémité est à des angles supérieurs à 0° et l'un des côtés décroît vers l'intervalle angulaire autour du 0°, dans lequel l'angle entre les deux zones d'extrémité des ailes correspond à l'angle d'ouverture ou de rayonnement de la lumière dégagée par la première lentille (6) respective et en ce que les secondes lentilles (7, 8) sont configurées et disposées après les premières lentilles (6) de telle sorte qu'à travers les secondes lentilles (7, 8), l'angle d'ouverture ou de rayonnement de la lumière dégagée par les premières lentilles (6) est réduit ou élargi.
  2. Dispositif d'émission de lumière selon la revendication 1, caractérisé en ce que l'angle d'ouverture ou de rayonnement de la lumière dégagée par les premières lentilles (6) est supérieur à 0°.
  3. Dispositif d'émission de lumière selon l'une quelconque des revendications précédentes, caractérisé en ce qu'à chaque source lumineuse LED (4) est exactement attribuée une première lentille (6) de l'élément optique (2).
  4. Dispositif d'émission de lumière selon l'une quelconque des revendications précédentes, caractérisé en ce que des secondes lentilles (7, 8) sont uniquement attribuées à une partie des premières lentilles (6).
  5. Dispositif d'émission de lumière selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif d'émission de lumière (1) possède un boîtier (3) avec une ouverture de sortie de lumière, dans lequel les plusieurs sources lumineuses LED (4) sont disposées dans le boîtier (3) et les plusieurs premières lentilles (6) ferment le boîtier (3) dans la direction du rayonnement lumineux.
EP12735561.8A 2011-07-19 2012-07-18 Dispositif d'émission de lumière Active EP2734777B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12735561T PL2734777T5 (pl) 2011-07-19 2012-07-18 Układ do emisji światła

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011079393A DE102011079393A1 (de) 2011-07-19 2011-07-19 Anordnung zur Lichtabgabe
PCT/EP2012/064049 WO2013011048A1 (fr) 2011-07-19 2012-07-18 Dispositif d'émission de lumière

Publications (3)

Publication Number Publication Date
EP2734777A1 EP2734777A1 (fr) 2014-05-28
EP2734777B1 EP2734777B1 (fr) 2015-06-03
EP2734777B2 true EP2734777B2 (fr) 2019-11-20

Family

ID=46514390

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12735561.8A Active EP2734777B2 (fr) 2011-07-19 2012-07-18 Dispositif d'émission de lumière

Country Status (6)

Country Link
US (1) US20140153240A1 (fr)
EP (1) EP2734777B2 (fr)
CN (1) CN103688104B (fr)
DE (1) DE102011079393A1 (fr)
PL (1) PL2734777T5 (fr)
WO (1) WO2013011048A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202018102205U1 (de) * 2018-04-20 2019-07-24 Zumtobel Lighting Gmbh Linsenanordnung zum Richten des von einem Leuchtmittel emittierten Lichts
DE202019106804U1 (de) 2019-12-06 2021-03-09 Zumtobel Lighting Gmbh Optisches System zum Beeinflussen der Lichtabgabe einer länglichen Lichtquelle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1998105A1 (fr) † 2007-05-29 2008-12-03 Martin Professional A/S Dispositif d'éclairage avec optique remplaçable

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW330233B (en) * 1997-01-23 1998-04-21 Philips Eloctronics N V Luminary
FR2776595B1 (fr) * 1998-03-31 2000-06-16 Valeo Vision Feu de signalisation comprenant plusieurs sources lumineuses
US20060146531A1 (en) * 2004-12-30 2006-07-06 Ann Reo Linear lighting apparatus with improved heat dissipation
JP4376289B2 (ja) * 2005-06-01 2009-12-02 シーシーエス株式会社 光照射装置
KR20080036195A (ko) 2005-07-13 2008-04-25 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 조명 시스템
JP2007048775A (ja) 2005-08-05 2007-02-22 Koito Mfg Co Ltd 発光ダイオードおよび車両用灯具
KR100883346B1 (ko) * 2008-08-08 2009-02-12 김현민 패널형 ｌｅｄ 조명장치
DE102010004221A1 (de) 2009-05-05 2010-11-11 Siteco Beleuchtungstechnik Gmbh Straßenleuchte mit punktförmigen Lichtquellen, insbesondere LED-Leuchte
DE202009007292U1 (de) * 2009-05-20 2010-10-07 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung für Straßen
CN101639196B (zh) * 2009-08-24 2011-07-27 深圳市九拓光电有限公司 一种发光二极管透镜和照明装置
CN102003636A (zh) * 2009-09-03 2011-04-06 富准精密工业(深圳)有限公司 发光二极管模组

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1998105A1 (fr) † 2007-05-29 2008-12-03 Martin Professional A/S Dispositif d'éclairage avec optique remplaçable

Also Published As

Publication number Publication date
CN103688104B (zh) 2017-08-08
PL2734777T3 (pl) 2015-10-30
EP2734777A1 (fr) 2014-05-28
DE102011079393A1 (de) 2013-01-24
EP2734777B1 (fr) 2015-06-03
PL2734777T5 (pl) 2020-06-29
CN103688104A (zh) 2014-03-26
US20140153240A1 (en) 2014-06-05
WO2013011048A1 (fr) 2013-01-24

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