EP2518389A2 - Élément optique longitudinal et agencement d'émission de lumière avec un élément optique - Google Patents
Élément optique longitudinal et agencement d'émission de lumière avec un élément optique Download PDFInfo
- Publication number
- EP2518389A2 EP2518389A2 EP12165632A EP12165632A EP2518389A2 EP 2518389 A2 EP2518389 A2 EP 2518389A2 EP 12165632 A EP12165632 A EP 12165632A EP 12165632 A EP12165632 A EP 12165632A EP 2518389 A2 EP2518389 A2 EP 2518389A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- optical element
- light
- arrangement
- emitting diodes
- shape
- 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
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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
- 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 present invention relates to an elongated optical element for longitudinally successively arranged light emitting diodes and an arrangement for emitting light with LEDs, a first optical element and a second elongate optical element.
- FIG. 1 shown in cross section.
- the wet room lamp 1 in this case has as light source an elongated fluorescent lamp 4, which is surrounded by a likewise elongated optical element 2, wherein this optical element 2 is configured approximately semicircular in cross section and the fluorescent lamp 4 is placed within the semicircular configuration.
- the optical element 2 is further arranged on or in a housing 3, so that the necessary for a moisture proof lightness can be achieved.
- FIG. 2 gives here the light intensity distribution of in FIG. 1 again shown, the curve shown there corresponds to the values in the so-called C0 / C180 level, ie in the transverse direction of the lamp FIG. 1 , corresponds.
- an elongate optical element for light-emitting diodes arranged longitudinally one behind the other, which has a substantially U-shaped cross-section, wherein the center leg or middle region of the U-shape connecting the two side legs or lateral areas has a concave inward.
- an arrangement for emitting light which comprises the elongate optical element according to the invention as the first optical element, a second elongated optical element and light-emitting diodes, wherein in Light emitting direction of the LEDs, the first optical element with the opening of the U-shape in the direction of the LEDs is arranged directly in front of the light-emitting diodes and is surrounded by the second optical element.
- the two lateral limbs or lateral regions of the U-shape are inclined inwardly towards one another, such that the side limbs or lateral regions are spaced closer to one another than in the region in FIG the side legs or lateral areas pass into the middle leg or middle area of the U-shape.
- the two side limbs or lateral regions of the U-shape can preferably, in particular in the region of their ends, also each have a curvature inward in the direction of the respective other side limb or lateral region.
- the concavity of the central limb or central region of the U-shape can be inwardly tapered inwards such that a substantially V-shaped indentation results whose tip points into the U-shape.
- the desired luminous intensity distribution of the arrangement according to the invention for emitting light results overall, however, then preferably from the interaction of the first and second optical elements, wherein in particular a light intensity distribution in the form of a Batwing is achieved.
- the second optical element of the arrangement according to the invention for light emission has a light-refracting characteristic, wherein the refractive characteristic can result from elongated prismatic structures.
- the second optical element is configured substantially semicircular in cross section, wherein the light emitting diodes can be arranged together with the first optical element within the semicircular configuration of the second optical element.
- the arrangement according to the invention for emitting light has an elongate carrier element, on which the ends of the side legs or lateral areas of the first optical element can each be latched and on which an elongated circuit board can be held, on which the light emitting diodes are arranged ,
- the board can be held by at least one pressing element on the elongated support element.
- the carrier element and / or the first optical element can be rotatable in the longitudinal axis of the arrangement.
- FIG. 1 As already explained, a moisture-proof luminaire 1 is shown, which corresponds to the in FIG. 2 shown light intensity distribution in the so-called C0 / C180 level and thus in the transverse direction of the lamp has.
- FIG. 3 shows an inventive elongated optical element 5 according to a first embodiment of the invention, which has a substantially U-shaped configuration with two side legs 6 and a middle leg 8 in cross section, wherein, as shown in FIG. 3 shows that the two side legs 6 of the U-shaped optical element 5 are slightly inclined inwardly towards each other, such that the side legs 6 at their ends 7 have a smaller distance from each other than in the region in which the side legs 6 in the middle leg 8 of the U- shape pass.
- the two side legs 6 interconnecting center leg 8 is curved inward or has a curvature inwards, resulting in the transitions of the side legs 6 in the middle leg 8 each side wings.
- the shape of the optical element 5 according to the invention in cross section thus resembles in a broader sense the later desired light intensity distribution in the form of a batwing, wherein the shape of the optical element 5 is not identical to the shape of the distribution.
- the optical element according to the invention may consist of a diffusely scattering material with, for example, a wall thickness of 0.3 mm, which results in a light-scattering characteristic of the optical element.
- FIG. 4 shows the light intensity distribution of in FIG. 3 shown optical element 5 according to the invention in the so-called C0 / C180 plane, ie in the transverse direction of the element, when at the opening of the U-shape of the optical element 5 light-emitting diodes are arranged. From this it can be seen that the very limited light emission characteristic or light intensity distribution of light-emitting diodes is significantly widened or widened by the optical element 5, which leads to the fact that the optical element 5 according to the invention together with light-emitting diodes can readily replace a fluorescent lamp.
- FIG. 5 Now, an arrangement according to the invention for emitting light 9 is shown, which is a comparable luminaire housing 3 as in FIG. 1 shown lamp 1 has. Also in FIG. 5 shown second optical element 2 corresponds to the optical element 2 FIG. 1 , In contrast to the light 1 in FIG. 1 is in the inventive arrangement for light output 9 now no fluorescent lamp 4 more provided. Instead of this fluorescent lamp 4, light-emitting diodes 10 are now used in the arrangement for emitting light 9, which are arranged one behind the other in the longitudinal direction and are fastened on an elongated circuit board 11. In addition, in the arrangement for emitting light 9, a first optical element is provided, wherein at the in FIG. 5 shown arrangement according to the invention an optical element 5 accordingly FIG. 3 is used. The light-emitting diodes 10 or the circuit board 11 are arranged on or in the opening of the first optical element 5, such that the first optical element 5 is arranged in the light emission direction directly in front of the light-emitting diodes 10.
- the second optical element 2 is arranged, whereby this is also in the light emitting direction of the LEDs 10.
- the first optical element 5 and the light-emitting diodes 10 or the circuit board 11 are now arranged in the arrangement for emitting light 9 such that they are located approximately in the area of the earlier fluorescent lamp 4.
- the first optical element 5 is surrounded by the second optical element 2, wherein the first optical element 5 is arranged within the circular configuration of the second optical element 2. This becomes possible because the light emission characteristic or light intensity distribution of the light-emitting diodes is changed.
- the desired light distribution is achieved by the interaction of the two optical elements 2 and 5, it being possible by the first optical element 5 according to the invention, in an existing elongated luminaire as shown in FIG. 1 is shown to replace the fluorescent lamp 4, without an adjustment of the optical element 2 shown there is necessary.
- the first optical element 5 according to the invention thus results in a light source deviating from the dot shape of the light emitting diode whose surface corresponds to the surface of the first optical element, which is achieved by the scattering properties of the first optical element.
- FIG. 7 now additionally shows an elongated support member 12, on which the circuit board 11, on which the light-emitting diodes 10 are arranged, is held. This is done by pressing elements 13 which are latched to the support member 12 and exert pressure on the board 11, such that the board 11 is pressed against a surface of the support member 12 and thus held on the support member 12.
- the first optical element 5 is held by the carrier element 12.
- the two ends 7 of the side legs 6 of the U-shape can be latched to the support member 12, whereby, as well as from FIG. 7 it can be seen that the LEDs 10 and the board 11 can be protected from direct contact by the first optical element 5 according to the invention.
- the support member may for example consist of aluminum and have a heat sink, which ensures optimized heat dissipation.
- the carrier element is rotatably mounted within an inventive arrangement for emitting light about the longitudinal axis.
- the first optical element could also be rotatably mounted about the longitudinal axis of the arrangement.
- FIG. 8 a further arrangement according to the invention for emitting light 19 is shown, in turn, a luminaire housing 3 and a second optical element 2, comparable to those in FIG. 5 shown.
- 19 is in the light-emitting arrangement in FIG. 8 .
- This elongated optical element 15 according to the invention also has a light-scattering characteristic and is also designed in a substantially U-shaped cross-section, wherein it has two lateral regions 16 and a central region 18.
- the two lateral regions 16 of the U-shape in the region of their ends 17 are each curved inwards in the direction of the respective other lateral region 16, this curvature achieving a similar effect as the inclination of the side limbs 6 in the optical element 5 in FIG. 3 ,
- the middle area 18 of the second embodiment is also curved inwards or has an inward curvature which is inwardly tapered, resulting in a concavity which is essentially a V-shaped one.
- Form has the tip in the U-shape.
- the luminous intensity distribution of in FIG. 8 The first optical element 15 shown thus resembles the light intensity distribution of the in FIG. 3 shown first optical element 9, which is why the in FIG. 8 shown arrangement for emitting light 19 a comparable light intensity distribution or light emission characteristic as in FIG. 5 has arrangement shown for emitting light 9.
- the light-scattering characteristic of the optical element according to the invention leads to light-emitting diodes in conjunction with the optical element according to the invention can replace a fluorescent lamp, without making changes to the outer structure of a corresponding lamp or arrangement for light output.
- the two fluorescent lamps arranged next to one another have the fluorescent lamps in each case by an optical element according to the invention and corresponding circuit boards or Light-emitting diodes are replaced, which then instead of the two fluorescent lamps two juxtaposed optical elements according to the invention are arranged in the lamp.
- the possibility of cross-emission then additionally results.
- two side by side arranged boards are provided with light-emitting diodes, which are surrounded by only one optical element according to the invention.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
- Rehabilitation Tools (AREA)
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 true EP2518389A2 (fr) | 2012-10-31 |
| EP2518389A3 EP2518389A3 (fr) | 2014-01-29 |
| EP2518389B1 EP2518389B1 (fr) | 2017-01-04 |
| EP2518389B2 EP2518389B2 (fr) | 2020-05-20 |
Family
ID=46045858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12165632.6A Not-in-force 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018133311A1 (de) | 2018-12-21 | 2020-06-25 | Zumtobel Lighting Gmbh | Leuchtengehäuse und Leuchte |
Families Citing this family (1)
| 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 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH664817A5 (de) † | 1984-10-17 | 1988-03-31 | Peter A Balla | Beleuchtung fuer geschlossene laengliche raeume. |
| ATE253761T1 (de) † | 1998-09-04 | 2003-11-15 | Wynne Willson Gottelier Ltd | Vorrichtung und verfahren zur bereitstellung eines linearen effekts |
| DE10042133A1 (de) * | 2000-03-27 | 2001-10-04 | Walter Holzer | Semileuchte zum Umrüsten von induktiven Leuchten auf elektronische T5-Leuchtstofflampen |
| US7273300B2 (en) † | 2004-08-06 | 2007-09-25 | Lumination Llc | Curvilinear LED light source |
| US20060097385A1 (en) † | 2004-10-25 | 2006-05-11 | Negley Gerald H | Solid metal block semiconductor light emitting device mounting substrates and packages including cavities and heat sinks, and methods of packaging same |
| 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 |
| DE102007036981A1 (de) | 2007-08-06 | 2009-02-12 | Zumtobel Lighting Gmbh | Feuchtraumleuchte |
| DE102007054206A1 (de) * | 2007-10-15 | 2009-04-16 | Harald Hofmann | LED-Lampe mit Diffusor |
| US7972035B2 (en) * | 2007-10-24 | 2011-07-05 | Lsi Industries, Inc. | Adjustable lighting apparatus |
| US9557033B2 (en) * | 2008-03-05 | 2017-01-31 | Cree, Inc. | Optical system for batwing distribution |
| DE202008017219U1 (de) * | 2008-08-05 | 2009-04-16 | Pyroswift Holding Co., Ltd., Wanchai | Leuchtdioden-Lichtaggregat |
| DE102008036474A1 (de) | 2008-08-05 | 2010-02-11 | Zumtobel Lighting Gmbh | Lichtbandsystem |
| TWM367290U (en) † | 2009-02-27 | 2009-10-21 | Energyled Corp | Structure of LED lamp tube |
| AT11273U1 (de) * | 2009-03-11 | 2010-07-15 | Hierzer Andreas | Leuchte |
| KR101670981B1 (ko) † | 2009-03-31 | 2016-10-31 | 서울반도체 주식회사 | 튜브형 또는 채널형의 ｌｅｄ 조명장치 |
| KR101062837B1 (ko) | 2009-04-08 | 2011-09-07 | 주식회사 지엘비젼 | 넓고 균일한 배광을 가지는 ｌｅｄ 조명 |
| 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 |
| DE102010041471B4 (de) † | 2010-09-27 | 2021-02-11 | Zumtobel Lighting Gmbh | Leuchtmodulanordnung mit einer LED auf einer Platine |
-
2011
- 2011-04-27 DE DE102011017580.6A patent/DE102011017580B4/de active Active
-
2012
- 2012-04-26 PL PL12165632T patent/PL2518389T3/pl unknown
- 2012-04-26 EP EP12165632.6A patent/EP2518389B2/fr not_active Not-in-force
- 2012-04-26 DE DE202012013269.5U patent/DE202012013269U1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| None |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018133311A1 (de) | 2018-12-21 | 2020-06-25 | Zumtobel Lighting Gmbh | Leuchtengehäuse und Leuchte |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202012013269U1 (de) | 2015-10-14 |
| PL2518389T3 (pl) | 2017-07-31 |
| EP2518389A3 (fr) | 2014-01-29 |
| DE102011017580A1 (de) | 2012-10-31 |
| EP2518389B1 (fr) | 2017-01-04 |
| EP2518389B2 (fr) | 2020-05-20 |
| DE102011017580B4 (de) | 2023-04-06 |
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