EP2518389B2 - Agencement d'émission de lumière avec un élément optique allongé - Google Patents

Agencement d'émission de lumière avec un élément optique allongé Download PDF

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Publication number
EP2518389B2
EP2518389B2 EP12165632.6A EP12165632A EP2518389B2 EP 2518389 B2 EP2518389 B2 EP 2518389B2 EP 12165632 A EP12165632 A EP 12165632A EP 2518389 B2 EP2518389 B2 EP 2518389B2
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EP
European Patent Office
Prior art keywords
light
optical element
emitting diodes
elongated
shape
Prior art date
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Active
Application number
EP12165632.6A
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German (de)
English (en)
Other versions
EP2518389A2 (fr
EP2518389A3 (fr
EP2518389B1 (fr
Inventor
Andreas Schwaighofer
Herbert Wessin
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
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Publication date
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Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Priority to PL12165632T priority Critical patent/PL2518389T3/pl
Publication of EP2518389A2 publication Critical patent/EP2518389A2/fr
Publication of EP2518389A3 publication Critical patent/EP2518389A3/fr
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Publication of EP2518389B1 publication Critical patent/EP2518389B1/fr
Publication of EP2518389B2 publication Critical patent/EP2518389B2/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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/506—Cooling arrangements characterised by the adaptation for cooling of specific components of globes, bowls or cover glasses
    • 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
    • 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

  • the object of the present invention is to develop an arrangement for emitting light in which fluorescent lamps can be replaced by light-emitting diodes, but at the same time the lighting properties do not deteriorate significantly.
  • Figure 3 shows an elongate optical element 5 not according to the invention, which in cross section has an essentially U-shaped configuration with two side legs 6 and a middle leg 8, wherein, as from Figure 3 is evident, the two side legs 6 of the U-shaped optical element 5 are inclined slightly inwards to one another, such that the side legs 6 are at a smaller distance from one another at their ends 7 than in the region in which the side legs 6 are in the middle leg 8 of the U- Go over form.
  • the middle leg 8 connecting the two side legs 6 to each other is curved inward or has a curvature to the inside, which results in lateral wings at the transitions of the side legs 6 into the middle leg 8.
  • the shape of the Cross section of optical element 5 thus broadly resembles the later desired luminous intensity distribution in the form of a batwing, the shape of optical element 5 not being identical to the shape of the distribution.
  • the optical element 5 not according to the invention thus results in a light source which deviates from the point shape of the light-emitting diode and whose surface corresponds to the surface of the first optical element, which is achieved by the scattering properties of the first optical element.

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

Claims (6)

  1. Dispositif d'émission de lumière (19) comprenant
    • un premier élément optique allongé (15) pour des diodes électroluminescentes (10) juxtaposées dans la direction longitudinale,
    • un deuxième élément optique allongé (2) et
    • des diodes électroluminescentes (10),
    l'élément optique (15) présentant une caractéristique de diffusion de la lumière et étant conçu avec une section transversale essentiellement en forme de U et le montant central ou la zone centrale (8) de la forme de U, reliant entre eux les deux montants latéraux ou les zones latérales (6) présentant un bombage vers l'intérieur,
    les deux montants latéraux ou zones latérales (6) de la forme de U étant inclinés l'un en direction de l'autre vers l'intérieur de façon à ce que les montants latéraux ou les zones latérales (6) présentent, au niveau de leurs extrémités (7), une distance entre elles inférieure à la distance dans la zone dans laquelle les montants latéraux ou les zones latérales (6) se transforment en une forme de U dans le montant central ou la zone centrale (8),
    le bombage du montant central ou de la zone centrale de la forme de U s'étend vers l'intérieur de manière pointue, de façon à obtenir un bombage globalement en forme de V dont la pointe est orientée vers la forme en U,
    moyennant quoi, dans la direction d'émission de lumière des diodes électroluminescentes (10), le premier élément optique (15) est disposé avec l'ouverture de la forme en U en direction des diodes électroluminescentes (10) directement devant les diodes électroluminescentes et est entouré par le deuxième élément optique (2),
    le deuxième élément optique (2) présentant une caractéristique de réfraction de lumière et des structures prismatiques allongées et étant conçu avec une section transversale globalement en forme d'arc de cercle, les diodes électroluminescentes (10) étant disposées avec le premier élément optique (15) à l'intérieur de la forme d'arc de cercle du deuxième élément optique (2),
    et les diodes électroluminescentes (10) étant disposées sur une platine allongée (11) qui peut être maintenue par un élément de support allongé (12), le premier élément optique (15) pouvant être maintenu par l'élément de support (12) et les extrémités (7) des montants latéraux ou des zones latérales (6) du premier élément optique (15) pouvant être encliquetées chacune avec l'élément de support (12), et la platine (11) pouvant être maintenue sur l'élément de support (12) à l'aide d'éléments de compression (13), les éléments de compression (13) pouvant être encliquetés avec l'élément de support (12) et pouvant exercer une pression sur la platine (11), de telle sorte que la platine (11) soit pressée contre une surface de l'élément de support (12).
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    les deux montants latéraux ou les deux zones latérales de la forme en U présentent chacun une courbure vers l'intérieur en direction de l'autre montant latéral ou de l'autre zone latérale, plus particulièrement au niveau de leurs extrémités.
  3. Dispositif d'émission de lumière (19) comprenant
    • un premier élément optique allongé (15) pour des diodes électroluminescentes (10) juxtaposées dans la direction longitudinale,
    • un deuxième élément optique allongé (2) et
    • des diodes électroluminescentes (10),
    l'élément optique (15) présentant une caractéristique de diffusion de la lumière et étant conçu avec une section transversale essentiellement en forme de U et le montant central ou la zone centrale (8) de la forme de U, reliant entre eux les deux montants latéraux ou les zones latérales (6) présentant un bombage vers l'intérieur,
    les deux montants latéraux ou zones latérales de la forme en U présentant chacun une courbure vers l'intérieur de l'autre montant latéral ou de la zone latérale, plus particulièrement au niveau de leurs extrémités,
    le bombage du montant central ou de la zone centrale de la forme de U s'étend vers l'intérieur de manière pointue, de façon à obtenir un bombage globalement en forme de V dont la pointe est orientée vers la forme en U,
    moyennant quoi, dans la direction d'émission de lumière des diodes électroluminescentes (10), le premier élément optique (15) est disposé avec l'ouverture de la forme en U en direction des diodes électroluminescentes (10) directement devant les diodes électroluminescentes et est entouré par le deuxième élément optique (2),
    le deuxième élément optique (2) présentant une caractéristique de réfraction de lumière et des structures prismatiques allongées et étant conçu avec une section transversale globalement en forme d'arc de cercle, les diodes électroluminescentes (10) étant disposées avec le premier élément optique (15) à l'intérieur de la forme d'arc de cercle du deuxième élément optique (2),
    et les diodes électroluminescentes (10) étant disposées sur une platine allongée (11) qui peut être maintenue par un élément de support allongé (12), le premier élément optique (15) pouvant être maintenu par l'élément de support (12) et les extrémités (7) des montants latéraux ou des zones latérales (6) du premier élément optique (15) pouvant être encliquetées chacune avec l'élément de support (12), et la platine (11) pouvant être maintenue sur l'élément de support (12) à l'aide d'éléments de compression (13), les éléments de compression (13) pouvant être encliquetés avec l'élément de support (12) et pouvant exercer une pression sur la platine (11), de telle sorte que la platine (11) soit pressée contre une surface de l'élément de support (12).
  4. Dispositif selon l'une des revendications 1 à 3,
    caractérisé en ce que
    la répartition d'intensité lumineuse du dispositif (19) résulte de l'interaction du premier élément optique (15) et du deuxième élément optique (2).
  5. Dispositif selon la revendication 4,
    caractérisé en ce que
    le dispositif (19) présente, dans la direction transversale, une répartition d'intensité lumineuse présentant une forme de Batwing.
  6. Dispositif selon l'une des revendications 1 à 5,
    caractérisé en ce que
    l'élément de support (12) et le premier élément optique (15) peuvent tourner autour de l'axe longitudinal du dispositif (19).
EP12165632.6A 2011-04-27 2012-04-26 Agencement d'émission de lumière avec un élément optique allongé Active EP2518389B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12165632T PL2518389T3 (pl) 2011-04-27 2012-04-26 Podłużny element optyczny i układ do emisji światła za pomocą elementu optycznego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011017580.6A DE102011017580B4 (de) 2011-04-27 2011-04-27 Leuchte

Publications (4)

Publication Number Publication Date
EP2518389A2 EP2518389A2 (fr) 2012-10-31
EP2518389A3 EP2518389A3 (fr) 2014-01-29
EP2518389B1 EP2518389B1 (fr) 2017-01-04
EP2518389B2 true EP2518389B2 (fr) 2020-05-20

Family

ID=46045858

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12165632.6A Active EP2518389B2 (fr) 2011-04-27 2012-04-26 Agencement d'émission de lumière avec un élément optique allongé

Country Status (3)

Country Link
EP (1) EP2518389B2 (fr)
DE (2) DE102011017580B4 (fr)
PL (1) PL2518389T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013208292A1 (de) 2013-05-06 2014-11-06 Itz Innovations- Und Technologiezentrum Gmbh LED-Leuchte mit Entblendung
DE102018133311A1 (de) 2018-12-21 2020-06-25 Zumtobel Lighting Gmbh Leuchtengehäuse und Leuchte

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729554A1 (de) † 1984-10-17 1989-03-16 Balla Peter Alexander Beleuchtung fuer geschlossene laengliche raeume
US6676284B1 (en) † 1998-09-04 2004-01-13 Wynne Willson Gottelier Limited Apparatus and method for providing a linear effect
US20080030981A1 (en) † 2004-08-06 2008-02-07 Matthew Mrakovich Elongated Led Illumination Device
EP2151873A2 (fr) † 2004-10-25 2010-02-10 Cree, Inc. Substrats composés d'un bloc de métal plein pour le montage de dispositifs électroluminescents à semi-conducteurs et encapsulations associées
US20100220476A1 (en) † 2009-02-27 2010-09-02 Ledtech Electronics Led light tube
US20100265693A1 (en) † 2009-03-31 2010-10-21 Seoul Semiconductor Co., Ltd. Tube-type or channel-type led lighting apparatus
DE102010019456A1 (de) † 2010-05-05 2011-11-10 Armonies Elektronik Gmbh Trägerprofil und Abdeckungsprofil für Beleuchtungen mit mehreren in Reihe angeordneter Lichtquellen
EP2188567B1 (fr) † 2007-08-06 2012-01-11 Zumtobel Lighting GmbH Lampe pour local humide
WO2012005008A1 (fr) † 2010-07-08 2012-01-12 株式会社エンプラス Élément de commande de flux lumineux et dispositif d'éclairage
US20120033420A1 (en) † 2009-04-08 2012-02-09 Sun Woong Kim Led lamp having broad and uniform light distribution
DE102010041471A1 (de) † 2010-09-27 2012-03-29 Zumtobel Lighting Gmbh Leuchtmodulanordnung mit einer LED auf einer Platine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10042133A1 (de) * 2000-03-27 2001-10-04 Walter Holzer Semileuchte zum Umrüsten von induktiven Leuchten auf elektronische T5-Leuchtstofflampen
TWI244227B (en) * 2004-12-08 2005-11-21 Ind Tech Res Inst LED light module
US7311423B2 (en) * 2005-09-21 2007-12-25 Awi Licensing Company Adjustable LED luminaire
DE102007054206A1 (de) * 2007-10-15 2009-04-16 Harald Hofmann LED-Lampe mit Diffusor
MX2010004430A (es) * 2007-10-24 2010-05-13 Lsi Industries Inc Aparato de iluminacion ajustable.
US9557033B2 (en) * 2008-03-05 2017-01-31 Cree, Inc. Optical system for batwing distribution
DE102008036474A1 (de) 2008-08-05 2010-02-11 Zumtobel Lighting Gmbh Lichtbandsystem
DE202008017219U1 (de) * 2008-08-05 2009-04-16 Pyroswift Holding Co., Ltd., Wanchai Leuchtdioden-Lichtaggregat
AT11273U1 (de) * 2009-03-11 2010-07-15 Hierzer Andreas Leuchte
KR101062837B1 (ko) 2009-04-08 2011-09-07 주식회사 지엘비젼 넓고 균일한 배광을 가지는 ｌｅｄ 조명

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729554A1 (de) † 1984-10-17 1989-03-16 Balla Peter Alexander Beleuchtung fuer geschlossene laengliche raeume
US6676284B1 (en) † 1998-09-04 2004-01-13 Wynne Willson Gottelier Limited Apparatus and method for providing a linear effect
US20080030981A1 (en) † 2004-08-06 2008-02-07 Matthew Mrakovich Elongated Led Illumination Device
EP2151873A2 (fr) † 2004-10-25 2010-02-10 Cree, Inc. Substrats composés d'un bloc de métal plein pour le montage de dispositifs électroluminescents à semi-conducteurs et encapsulations associées
EP2188567B1 (fr) † 2007-08-06 2012-01-11 Zumtobel Lighting GmbH Lampe pour local humide
US20100220476A1 (en) † 2009-02-27 2010-09-02 Ledtech Electronics Led light tube
US20100265693A1 (en) † 2009-03-31 2010-10-21 Seoul Semiconductor Co., Ltd. Tube-type or channel-type led lighting apparatus
US20120033420A1 (en) † 2009-04-08 2012-02-09 Sun Woong Kim Led lamp having broad and uniform light distribution
DE102010019456A1 (de) † 2010-05-05 2011-11-10 Armonies Elektronik Gmbh Trägerprofil und Abdeckungsprofil für Beleuchtungen mit mehreren in Reihe angeordneter Lichtquellen
WO2012005008A1 (fr) † 2010-07-08 2012-01-12 株式会社エンプラス Élément de commande de flux lumineux et dispositif d'éclairage
DE102010041471A1 (de) † 2010-09-27 2012-03-29 Zumtobel Lighting Gmbh Leuchtmodulanordnung mit einer LED auf einer Platine

Also Published As

Publication number Publication date
PL2518389T3 (pl) 2017-07-31
EP2518389A2 (fr) 2012-10-31
DE102011017580B4 (de) 2023-04-06
EP2518389A3 (fr) 2014-01-29
DE202012013269U1 (de) 2015-10-14
DE102011017580A1 (de) 2012-10-31
EP2518389B1 (fr) 2017-01-04

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