EP2501987A1 - Beleuchtungsvorrichtung - Google Patents
BeleuchtungsvorrichtungInfo
- Publication number
- EP2501987A1 EP2501987A1 EP11701835A EP11701835A EP2501987A1 EP 2501987 A1 EP2501987 A1 EP 2501987A1 EP 11701835 A EP11701835 A EP 11701835A EP 11701835 A EP11701835 A EP 11701835A EP 2501987 A1 EP2501987 A1 EP 2501987A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lighting device
- light sources
- light
- arrangements
- arrangement
- 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
Links
- 238000005286 illumination Methods 0.000 claims description 6
- 210000004072 lung Anatomy 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
- F21V23/005—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate is supporting also the 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
-
- 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 invention relates to a lighting device comprising at least one device for current regulation, at least two arrangements of at least one monochromatic light source, preferably at least one monochrome
- Light emitting diode wherein the light sources of both arrangements have approximately the same, preferably white, light color.
- Lighting devices often have light sources, such as light emitting diodes (LEDs), which require a constant operating current and are therefore provided with at least one current regulation device which adjusts the operating current for the light sources to a desired value. As long as the lighting device has only one light source per device for controlling current or all
- Light sources of the lighting device are connected in series, this is easily possible. Often the
- Illuminance however, have a variety of light sources, so that they can not all be connected in series, without, for example, an unacceptably high
- a lighting device comprising at least one device for current regulation, at least two arrangements of at least one single-color light source, preferably at least one single-color LED, wherein the
- Light sources of both arrangements the approximately same, preferably white, light color to create, which allows with little circuit complexity, preferably low loss light of a light color from multiple light sources as homogeneous as possible, i. with approximately the same brightness and / or light color of the individual light sources.
- Light sources and in particular LEDs which are not able to change their light color in a targeted manner, are regarded as monochromatic.
- Heat conduction between the light sources is made possible and thus a temperature difference can be compensated quickly.
- These funds can, for example, a direct
- connection of the light sources or a connection by means of a material of high thermal conductivity in particular with a thermal conductivity of more than 25 W / mK, in particular more than 100 W / mK or another connection with a thermal conductivity of more than 25 W / mK, in particular more as 100 W / mK.
- At least one arrangement of light sources at least one series circuit of light sources, in particular of
- Lighting device has less than seven arrays of light sources. For a larger number of
- At least one arrangement has a plurality of light sources, in particular more than five, preferably more than 10, particularly preferably more than 15
- At least one light source of another arrangement is arranged between at least two light sources of the same arrangement.
- a particularly good heat transfer between the light sources of different arrangements is achieved, since these are arranged adjacent to each other. It is also avoided that light sources of an array are arranged adjacent to each other, thereby avoiding areas of the
- Lighting device only have light sources of an arrangement and thereby forms a significantly different temperature from other areas. Adjacent means in the context of this application in addition to a
- Arrangements are arranged in the order of the arrangements. This means that, for example, in three arrangements, a light source of the first arrangement of a light source is adjacent to the second arrangement, which in turn is adjacent to the light source of the first arrangement of a light source of a third arrangement.
- the light source of the third arrangement is in turn adjacent to a light source of the first arrangement, which may be the first light source, but this will preferably be a second light source of the first arrangement, with which this scheme
- At least one light source is arranged on at least one circuit carrier, since a particularly simple structure can be achieved in which a particularly simple contacting of the
- Light sources can be done. A particularly simple construction is achieved when all the light sources are on the same Circuit carrier are arranged.
- At least one circuit carrier is designed as a metal plate or as a metal core board. Such boards facilitate the lateral heat transfer between the light sources and thus improve their thermal coupling.
- Circuit carrier is arranged on at least one heat sink.
- the cooling of the LEDs is improved, thereby increasing their efficiency.
- the heat sink is due to its good thermal conductivity of the thermal coupling between the thermally operatively connected to the heat sink light sources.
- the distance between the plurality of light sources, in particular all light sources is the same. This allows a particularly homogeneous heat distribution can be achieved.
- the light sources are arranged in a line.
- a line-shaped arrangement represents a particularly simple arrangement, which is particularly suitable for a line-shaped lighting device. Especially when using a flexible
- circuit carrier can also be wound up in a ring or helical linear arrangement of advantage.
- the light sources are arranged like a matrix. This means that the light sources are in a regular plane grid are arranged, for example, a cubic or
- Lighting device has at least one standard base, in particular a pin base. This allows the lighting device to be inserted in a standard socket and as a replacement for a conventional lamp,
- a light bulb or a fluorescent lamp can be used.
- the lighting device is a substitute for a
- the lighting device preferably also has means, for example in the form of a circuit, which enables operation in a luminaire provided for fluorescent lamps, ie for conversion of the operating voltage the fluorescent lamp in one
- Lighting device in particular for LEDs, converts.
- FIG. 1 shows a schematic representation of a lighting device according to the invention
- FIG. 2 shows schematically the circuit diagram of a lighting device according to the invention. 1 shows a schematic partial
- the lighting device 1 is a LED retrofit lamp 1 for a T8 fluorescent lamp
- Light emitting diodes L are arranged on a FR4 support 2 in a straight line, wherein the FR carrier 2 on a
- the LED retrofit lamp 1 is finished with a diffusion element 4, which for the sake of clarity is shown here cut open. The distance of the LEDs L from each other is chosen so that the most homogeneous possible illumination of the
- Fig. 2 shows a circuit diagram of the invention
- the driver circuit 7 is provided as a device for current regulation and feeds a constant current I into the supply line 8.
- the supply line 8 branches into four strands S1, S2, S3, S4 which each form an arrangement of light-emitting diodes L as light sources. Within the strands Sl, S2, S3, S4, the light-emitting diodes L are connected in series.
- the LEDs L are arranged according to the order of the strands Sl, S2, S3, S4. This means that a light-emitting diode LH of the strand Sl is followed by a light-emitting diode L21 of the strand S2 and on this a light-emitting diode L31 of the strand S3.
- the LED L31 is followed by a LED L41 of the strand S4 and in turn a light-emitting diode L12 of the strand Sl. This creates a
- the heat sink 3 is made of aluminum in the present embodiment, but there are also all other skilled in the art for this known materials, such as copper, in question. Likewise, the skilled person will, instead of the FR4 board 2 other board structures and materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010002228A DE102010002228A1 (de) | 2010-02-23 | 2010-02-23 | Beleuchtungsvorrichtung |
PCT/EP2011/051607 WO2011104099A1 (de) | 2010-02-23 | 2011-02-03 | Beleuchtungsvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2501987A1 true EP2501987A1 (de) | 2012-09-26 |
EP2501987B1 EP2501987B1 (de) | 2018-08-29 |
Family
ID=43798551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11701835.8A Active EP2501987B1 (de) | 2010-02-23 | 2011-02-03 | Beleuchtungsvorrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130058079A1 (de) |
EP (1) | EP2501987B1 (de) |
KR (1) | KR20120134129A (de) |
CN (1) | CN102762913A (de) |
DE (1) | DE102010002228A1 (de) |
WO (1) | WO2011104099A1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8118447B2 (en) | 2007-12-20 | 2012-02-21 | Altair Engineering, Inc. | LED lighting apparatus with swivel connection |
US8360599B2 (en) | 2008-05-23 | 2013-01-29 | Ilumisys, Inc. | Electric shock resistant L.E.D. based light |
US8324817B2 (en) | 2008-10-24 | 2012-12-04 | Ilumisys, Inc. | Light and light sensor |
US7938562B2 (en) | 2008-10-24 | 2011-05-10 | Altair Engineering, Inc. | Lighting including integral communication apparatus |
US8653984B2 (en) | 2008-10-24 | 2014-02-18 | Ilumisys, Inc. | Integration of LED lighting control with emergency notification systems |
US8901823B2 (en) | 2008-10-24 | 2014-12-02 | Ilumisys, Inc. | Light and light sensor |
US8214084B2 (en) | 2008-10-24 | 2012-07-03 | Ilumisys, Inc. | Integration of LED lighting with building controls |
US8541958B2 (en) | 2010-03-26 | 2013-09-24 | Ilumisys, Inc. | LED light with thermoelectric generator |
EP2553332B1 (de) | 2010-03-26 | 2016-03-23 | iLumisys, Inc. | Umgestülpte led-glühlampe |
US8523394B2 (en) | 2010-10-29 | 2013-09-03 | Ilumisys, Inc. | Mechanisms for reducing risk of shock during installation of light tube |
US9184518B2 (en) | 2012-03-02 | 2015-11-10 | Ilumisys, Inc. | Electrical connector header for an LED-based light |
WO2014008463A1 (en) | 2012-07-06 | 2014-01-09 | Ilumisys, Inc. | Power supply assembly for led-based light tube |
US9271367B2 (en) | 2012-07-09 | 2016-02-23 | Ilumisys, Inc. | System and method for controlling operation of an LED-based light |
DE202012102963U1 (de) * | 2012-08-07 | 2013-11-13 | Rp-Technik E.K. | Leuchtstofflampenartiges LED-Leuchtmittel |
US9285084B2 (en) | 2013-03-14 | 2016-03-15 | Ilumisys, Inc. | Diffusers for LED-based lights |
US9267650B2 (en) | 2013-10-09 | 2016-02-23 | Ilumisys, Inc. | Lens for an LED-based light |
CA2937642A1 (en) | 2014-01-22 | 2015-07-30 | Ilumisys, Inc. | Led-based light with addressed leds |
DE102014206438A1 (de) | 2014-04-03 | 2015-06-03 | Osram Gmbh | Schaltungsanordnung zum Betreiben von n Lasten |
US9510400B2 (en) | 2014-05-13 | 2016-11-29 | Ilumisys, Inc. | User input systems for an LED-based light |
US10161568B2 (en) | 2015-06-01 | 2018-12-25 | Ilumisys, Inc. | LED-based light with canted outer walls |
US11084683B1 (en) * | 2018-10-16 | 2021-08-10 | Blooming International Limited | Winding bar for manufacturing light string and method for manufacturing light string |
CN112582516A (zh) | 2019-09-27 | 2021-03-30 | 鸿盛国际有限公司 | 线灯封装结构 |
CN114165742A (zh) | 2020-09-11 | 2022-03-11 | 鸿盛国际有限公司 | 多线灯串结构 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3078899B1 (de) * | 2001-08-09 | 2020-02-12 | Everlight Electronics Co., Ltd | Led-leuchte und kartenförmige led-lichtquelle |
GB2401672A (en) * | 2001-09-17 | 2004-11-17 | Lumisphere Products Ltd | A light source comprising light devices mounted on a twisted substrate |
US7329024B2 (en) * | 2003-09-22 | 2008-02-12 | Permlight Products, Inc. | Lighting apparatus |
JP2006250383A (ja) | 2005-03-08 | 2006-09-21 | Denso Corp | 熱交換器 |
JP4139856B2 (ja) * | 2006-03-22 | 2008-08-27 | 八洲電業株式会社 | 蛍光灯型led照明管 |
CN2937774Y (zh) * | 2006-05-17 | 2007-08-22 | 陈锦伟 | 一种led灯带 |
DE202006010221U1 (de) * | 2006-06-22 | 2006-10-19 | Cdv Haberstroh | Beleuchtungseinrichtung |
DE102007059471A1 (de) * | 2007-12-11 | 2009-06-18 | Osram Gesellschaft mit beschränkter Haftung | Scheinwerferlampe und deren Verwendung |
US20090135597A1 (en) * | 2007-11-27 | 2009-05-28 | Kay Gregory L | Linear lamp |
DE102008004483B4 (de) * | 2008-01-16 | 2010-07-29 | Volkswagen Ag | Fahrzeugleuchte mit flexibler Leuchtmittelbaugruppe |
DE202008007862U1 (de) * | 2008-06-12 | 2008-08-21 | Lin, Hsiang-Chou | LED-Leuchte mit freistehenden Kühlrippen |
DE202008017219U1 (de) * | 2008-08-05 | 2009-04-16 | Pyroswift Holding Co., Ltd., Wanchai | Leuchtdioden-Lichtaggregat |
TWM382423U (en) * | 2009-12-31 | 2010-06-11 | Green Power Led Corp | Tube-less LED fluorescent lamp |
-
2010
- 2010-02-23 DE DE102010002228A patent/DE102010002228A1/de not_active Ceased
-
2011
- 2011-02-03 KR KR1020127024784A patent/KR20120134129A/ko not_active Application Discontinuation
- 2011-02-03 WO PCT/EP2011/051607 patent/WO2011104099A1/de active Application Filing
- 2011-02-03 US US13/580,382 patent/US20130058079A1/en not_active Abandoned
- 2011-02-03 EP EP11701835.8A patent/EP2501987B1/de active Active
- 2011-02-03 CN CN2011800107272A patent/CN102762913A/zh active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO2011104099A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102762913A (zh) | 2012-10-31 |
KR20120134129A (ko) | 2012-12-11 |
US20130058079A1 (en) | 2013-03-07 |
EP2501987B1 (de) | 2018-08-29 |
WO2011104099A1 (de) | 2011-09-01 |
DE102010002228A1 (de) | 2011-08-25 |
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