EP2501987A1 - Dispositif d'éclairage - Google Patents

Dispositif d'éclairage

Info

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
Application number
EP11701835A
Other languages
German (de)
English (en)
Other versions
EP2501987B1 (fr
Inventor
Harald Dellian
Robert Kreutmayr
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.)
Osram GmbH
Original Assignee
Osram GmbH
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 Osram GmbH filed Critical Osram GmbH
Publication of EP2501987A1 publication Critical patent/EP2501987A1/fr
Application granted granted Critical
Publication of EP2501987B1 publication Critical patent/EP2501987B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

L'invention concerne un dispositif d'éclairage (1) comprenant au moins un dispositif (7) de régulation du courant, au moins deux agencements (S1, S2, S3, S4) d'au moins une source lumineuse monochrome (L), de préférence d'au moins une diode luminescente (L), les sources lumineuses (L) des deux agencements présentant une couleur de lumière approximativement identique, de préférence blanche. Au moins une source lumineuse (L11) respective d'un agencement (S1) de sources lumineuses (L) est en interaction thermique, en particulier couplée thermiquement, avec au moins une source lumineuse (L21) d'au moins un autre agencement (S2).
EP11701835.8A 2010-02-23 2011-02-03 Dispositif d'éclairage Active EP2501987B1 (fr)

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 (fr) 2010-02-23 2011-02-03 Dispositif d'éclairage

Publications (2)

Publication Number Publication Date
EP2501987A1 true EP2501987A1 (fr) 2012-09-26
EP2501987B1 EP2501987B1 (fr) 2018-08-29

Family

ID=43798551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11701835.8A Active EP2501987B1 (fr) 2010-02-23 2011-02-03 Dispositif d'éclairage

Country Status (6)

Country Link
US (1) US20130058079A1 (fr)
EP (1) EP2501987B1 (fr)
KR (1) KR20120134129A (fr)
CN (1) CN102762913A (fr)
DE (1) DE102010002228A1 (fr)
WO (1) WO2011104099A1 (fr)

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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
US8653984B2 (en) 2008-10-24 2014-02-18 Ilumisys, Inc. Integration of LED lighting control with emergency notification systems
US8214084B2 (en) 2008-10-24 2012-07-03 Ilumisys, Inc. Integration of LED lighting with building controls
US7938562B2 (en) 2008-10-24 2011-05-10 Altair Engineering, Inc. Lighting including integral communication apparatus
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
CA2792940A1 (fr) 2010-03-26 2011-09-19 Ilumisys, Inc. Lampe a del comprenant un generateur thermoelectrique
CA2794541C (fr) 2010-03-26 2018-05-01 David L. Simon Lampe a del interne-externe
EP2633227B1 (fr) 2010-10-29 2018-08-29 iLumisys, Inc. Mécanismes pour réduire le risque d'électrocution pendant l'installation d'un tube fluorescent
WO2013131002A1 (fr) 2012-03-02 2013-09-06 Ilumisys, Inc. Embase de connecteur électrique pour lampe à base de del
US9163794B2 (en) 2012-07-06 2015-10-20 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
US9574717B2 (en) 2014-01-22 2017-02-21 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

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Also Published As

Publication number Publication date
US20130058079A1 (en) 2013-03-07
EP2501987B1 (fr) 2018-08-29
CN102762913A (zh) 2012-10-31
WO2011104099A1 (fr) 2011-09-01
KR20120134129A (ko) 2012-12-11
DE102010002228A1 (de) 2011-08-25

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