EP2613079A1 - Moyen d'eclairage à DEL - Google Patents

Moyen d'eclairage à DEL Download PDF

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Publication number
EP2613079A1
EP2613079A1 EP12008658.2A EP12008658A EP2613079A1 EP 2613079 A1 EP2613079 A1 EP 2613079A1 EP 12008658 A EP12008658 A EP 12008658A EP 2613079 A1 EP2613079 A1 EP 2613079A1
Authority
EP
European Patent Office
Prior art keywords
control electronics
board
light
emitting diodes
illuminant according
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.)
Withdrawn
Application number
EP12008658.2A
Other languages
German (de)
English (en)
Inventor
Jörg Schuppener
Michiel Bolsius
Markus Wix
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.)
Triple-A LED Germany GmbH
Original Assignee
Triple-A LED Germany 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 Triple-A LED Germany GmbH filed Critical Triple-A LED Germany GmbH
Publication of EP2613079A1 publication Critical patent/EP2613079A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • F21K9/278—Arrangement or mounting of circuit elements integrated in 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
    • 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
    • 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 a preferably tubular lamp, in particular an LED tube, according to the preamble of patent claim 1 and a kit with such.
  • Tubular lamps are known and widely used for lighting rooms, halls, outdoor areas or the like. This is especially true for fluorescent lamps, also called fluorescent tubes. In industrial use, operating times of eight or more hours per day are often achieved. This leads to both a limited life of the lamp as well as to a considerable power consumption, which leads to high energy and maintenance costs.
  • Lamps with light emitting diodes also called “light-emitting diodes” or LEDs, offer both a much longer operating time than conventional lamps such as fluorescent lamps and a much higher efficiency, as compared to fluorescent lamps with LEDs, a similar luminous flux with a factor of two to ten reduced power consumption can be achieved. For this reason, efforts are increasingly being made to replace conventional lamps such as fluorescent lamps with LED lamps.
  • the US 8,072,124 B2 relates to a light emitting diode with light emitting diodes on a circuit board in a tubular housing.
  • the housing has a heat conducting device for cooling the light emitting diodes
  • a further printed circuit board with a control electronics is provided, which is arranged in a separate housing part.
  • this requires relatively large tube diameters, which is undesirable in many cases and can lead to incompatibilities with existing versions.
  • the US 7,988,492 B2 relates to a connector for connecting a board with light-emitting diodes, which is arranged in a tubular housing. Terminals connected to the board are used to contact pins that protrude out of the housing for connection. A control electronics for network operation is not apparent.
  • Previously known LED lamps for operation with mains voltage on the one hand have a carrier board with the LEDs, on the other hand, a control electronics for Supplying the LEDs on a separate board, which may be arranged in the housing of the bulb or outside.
  • control electronics integrated in the housing of the lamp, safety distances between the control electronics and the light emitting diodes carrying circuit board must be provided to prevent short circuits. This requires relatively large diameters especially in the case of tubular lamps.
  • control electronics can be arranged outside of the lamp, whereby only the boards with the LEDs must be accommodated in the housing of the lamp and also designs with smaller diameters possible.
  • this has the disadvantage that an external electronics must be installed, connected and stowed.
  • An object of the present invention is to provide a light source, in particular an LED tube, wherein a compact design can be achieved even with direct suitability of the light source for mains voltage and / or can light bulbs of different lengths produce more flexible.
  • the proposed illuminant in particular an LED tube, has at least one first circuit board and a plurality of light-emitting diodes, which are carried by the first circuit board. Furthermore, the proposed illuminant has or receives a drive electronics for the supply of the LEDs, which is preferably designed for operation with mains voltage. A connection means is provided to connect the control electronics to mains voltage.
  • the first board carries the control electronics or at least essential parts of the control electronics. So it is the same board used to carry both LEDs and the control electronics. Therefore, the arrangement of several boards for the light emitting diodes and the control electronics side by side or with each other in a housing of the light bulb can be dispensed with and the light source 1 can be made more flexible, smaller or with a smaller diameter.
  • the light-emitting means is therefore preferably free of stacked or juxtaposed or mutually arranged boards.
  • the material for the additional board is saved and an error-prone cable connection between the control electronics and the board with the light-emitting diodes can be avoided.
  • the latter is additionally advantageous in terms of production costs, since connections between different boards usually can not be produced automatically and are therefore particularly complex.
  • Another aspect of the present invention which can also be implemented independently, relates to a proposed luminous means which has at least one second circuit board with a plurality of light-emitting diodes. Between the first, the second and / or further board an electrically conductive connector for supplying the LEDs of the second and / or further board is made by the control electronics.
  • the combination of the above, also independently realizable aspects is particularly advantageous.
  • the control electronics or essential parts of these on the first board and by the use of the connector in each case make an error-prone use of cable connections avoidable.
  • the combination of the aspects makes possible a particularly robust, reliable and durable illuminant, preferably entirely without cable connections.
  • the proposed bulb preferably uses several, in particular with conductive connectors coupled boards with light emitting diodes, of which at least one, preferably arranged on the front side in the light source, board carries at least substantial parts of the control electronics. This allows the use of the same control electronics in different bulbs at the same time reduced space requirements, improved reliability and easier and cheaper installation.
  • a cable or a cable connection in the context of the present invention is a preferably flexible, flexible and / or in particular radially and / or at least partially surrounded by an insulation electrical conductor which is at least partially free in space laying.
  • a cable according to the present invention may be or have a stranded wire, a bell wire or the like.
  • a rigid and / or at least partially or essentially non-insulated, electrically conductive connecting pin does not constitute a cable in the sense of the present invention.
  • a lighting means in the context of the present invention is preferably a means for emitting electromagnetic waves in the optically visible region, which is particularly suitable for illuminating rooms, floors, walls, ceilings, objects, outdoor areas or the like.
  • the light-emitting means is therefore preferably suitable for providing a sufficient amount of light for illumination, improving its visibility by illumination of an object or emitting a sufficient amount of light, for example a luminous flux of more than 10 lumens, preferably more than 100 lumens, in particular more than 300 lumens so that this amount of light can be perceived by a human eye even after reflection by an object.
  • a light-emitting means is therefore in particular not a pure status LED or the like which, although it can also light up, but in which primarily or exclusively the direct light emission is used as a display.
  • a circuit board according to the present invention is a preferably flat-shaped arrangement comprising an insulating and a conductive material, preferably wherein the insulating material forms a support for at least one line of the conductive material.
  • the board may be one for printed circuits, a so-called “printed circuit board” or PCB acting, in particular epoxy-based (insulating material) and / or with Kupferkaschtechnik (conductive material).
  • a light-emitting diode in the sense of the present invention is preferably a semiconductor component which is designed to emit electromagnetic waves, preferably in the region detectable or visible by the human eye. It preferably has a semiconductor junction which flows through current in the direction of flow of the diode causes a light emission.
  • Fig. 1 shows a proposed bulb 1, which is designed as an LED tube. It has at least one first board 2. From the first board 2 a plurality of LEDs 3 are supported.
  • Fig. 2 shows a partial longitudinal section of the proposed illuminant 1 from Fig. 1
  • the first board 2 preferably has on its rear side or on the side facing away from the LEDs on a control electronics 4 and / or carries at least essential parts of the control electronics. 4
  • the LEDs 3 and the control electronics 4 are at least partially disposed on the same side of the board 2.
  • a placement of the control electronics 4 on the side facing away from the LEDs 3 of the board 2 is preferred because this can be avoided by components on the one hand lateral shadowing of the LEDs 3 and on the other hand, the aesthetic impression is not affected by superficially visible electronic components.
  • the proposed illuminant 1 further comprises a connection means 5, formed in the illustrated example by two or more pins 6.
  • the end faces of the light-emitting means 1 are closed with end caps 7, which preferably have at least one opening for the pins 6. It is sufficient if connection pins 6 are provided and / or connected only on one of the front sides of the luminous means 1. For the compatibility of the lamp 1, however, a symmetrical structure is preferred, are provided in the connection means 5 on both end sides, which but not both must be connected.
  • the light-emitting means 1 has, in an independently realizable aspect, at least one second circuit board 8 with a plurality of light-emitting diodes 9 in addition to the first circuit board 2.
  • the first board 2 and the second board 8 are connected by a connector 10 electrically conductive with each other.
  • a supply of the light-emitting diodes 9 of the second circuit board 8 is enabled or realized by the control electronics 4 via the connector 10.
  • the boards 2, 8 are preferably flat and / or elongated and / or suitable for use, in particular insertion into a tubular housing 11 of the proposed illuminant 1 suitable.
  • the first circuit board 2 and the second circuit board 8 can preferably be connected to one another at the front end by the plug connection 10, in particular electrically conductive and / or mechanically, for example by clamping, latching or the like.
  • the boards 2, 8 and / or the connector 10 may be formed such that the boards 2, 8 are at least substantially in a plane and / or on a straight line. This allows in particular a use of connected by means of the connector 10 boards 2, 8 in the tubular housing 11th Particularly preferably, the longitudinal edges of the boards 2, 8 form alignments for insertion and for holding the boards 2, 8 in the housing 11th
  • the flat, elongate blanks 2, 8 preferably have a longitudinal extent that exceeds the transverse extent, preferably more than a factor of three or five, in particular more than a factor of eight. Further, the boards 2, 8 preferably have a thickness of the board material that exceeds the transverse extent, preferably by more than a factor of five, in particular more than a factor of ten. Boards 2, 8 of this form are particularly suitable for enabling a compact, elongated luminous means 1.
  • first board 2, the second board 8 and / or the further board have at least substantially uniform dimensions.
  • first circuit board 2, the second circuit board 8 and / or the further circuit board have dimensions which are between 90% and 100% of the result of a division of 1.80 m with an integer divisor, preferably smaller or is 20, in particular 2, 3, 4, 6 and / or 9, is.
  • the main extension of one of the sinkers 2, 8 may be greater than 8 cm, preferably greater than 13 cm, in particular greater than 27 cm and / or at most 60 cm, preferably at most 30 cm, in particular between 12 and 15 cm, between 27 cm and 30 cm and / or between 54 cm and 60 cm.
  • a modular structure and a flexible scaling of the length of the proposed illuminant 1 is favored.
  • Particularly preferred are main extents of the boards 2, 8 of about 9 cm to 10 cm, 14 cm to 15 cm, 19 cm to 20 cm and / or 29 cm to 30 cm, since with these lengths a modular realization of typical or standardized lamp lengths especially can be effectively achieved.
  • the connector 10 may have at least two insulated conductive connections, in particular with plugs, sockets, Klammem and / or terminals. This allows the supply of the LEDs 9 in the second board 8 by means of a circuit or by the control electronics. 4
  • the connector 10 may be formed in several parts, in particular with at least one plug and a socket. Particularly preferably, the connector 10 allows both an electrical connection of the boards 2, 8 with each other and a mechanical support of the boards 2, 8 together.
  • the Connector 10 may be disposed between the boards 2, 8 and / or on the light emitting diodes 3, 9 facing side (top) of the boards 2, 8. However, an arrangement of the connector 10 is preferably on the side facing away from the LEDs 3, 9 of the boards 2, 8 (bottom). As a result, lateral shadowing of the LEDs 3, 9 can be avoided by the connector 10.
  • the connector 10 may be arranged at least on the same side of the respective board 2, 8 with respect to the LEDs 3, 9.
  • the plug connection 10 can also be arranged on that side of the boards 2, 8 facing the light emitting diodes 3, 9.
  • the second board 8 or another board need only be formed on one side or in one layer with conductive structures.
  • at least the first circuit board 2 is preferably provided with double-sided or multi-layered electrically conductive structures, preferably at least partially electrically connect the connection means 5 to the control electronics 4, on the other hand, the supply lines of the control electronics 4 to the light emitting diodes 3, 9 form.
  • plated-through holes 12 between the LEDs 3, 9 facing and opposite sides of at least one of the boards 2, 8 may be provided. This allows an electrically conductive connection between the top and bottom of the boards 2, 8 and between the control electronics 4 and the light emitting diodes 3, 9 for power supply.
  • both sides at least partially with metal, in particular copper, occupied boards 2, 8 is also preferred because this an improved heat distribution and dissipation can be achieved.
  • all boards 2, 8 are at least partially, in particular at least 40%, preferably 50%, in particular 60%, covered on both sides with metal, in particular with copper or copper alloys.
  • the metallizations or conductive structures are at least substantially covered by an insulating protective layer. This can improve the short circuit resistance and prevent corrosion.
  • the connector 10 more than two electrical contacts between the boards 2, 8 produces.
  • the control electronics 4 is preferably designed for operation at mains voltage.
  • Mains voltage in the context of the present invention is a voltage that may be, for example, between 80 and 800 V, in particular at 230 V, 380 V or 110 V AC and / or on the house installation or the like. is available. It is therefore preferred that the control electronics 4 allows operation of the lighting means 1 on the public power grid.
  • the control electronics 4 allows operation of the light source 1 directly in standardized light sources for mains operation.
  • the light bulb 1 off Fig. 1 can be used for example in a fluorescent lamp socket and operated in this. Alternative illuminant forms and / or compatibility with other socket types is alternatively or additionally possible.
  • the control electronics 4 may be designed to provide a certain current, which is preferably compatible with the specifications of the LEDs 3, 9. Such a current may for example be between 1 mA and 200 mA, in particular between 20 and 120 mA per LED 3, 9 or series connection of these.
  • the control electronics 4 may be designed to influence a voltage for operation of the light-emitting diodes 3, 9 such that the light-emitting diodes 3, 9 are supplied with an at least substantially constant current.
  • the control electronics 4 may have a control or regulation, in particular a constant current regulator "CCR".
  • CCR constant current regulator
  • the light-emitting diodes 3, 9 are actuated independently of one another by the control electronics 4 in such a way that the function of further light-emitting diodes 3, 9 or groups of the light-emitting diodes 3, 9 is not impaired if one of the light-emitting diodes 3, 9 fails.
  • light emitting diodes 3, 9 or groups of light emitting diodes 3, 9 can be supplied in parallel to one another by the control electronics 4. In this case, a failure of a light-emitting diode 3, 9 or a group of light-emitting diodes 3, 9 does not block the light-emitting diodes 3, 9 controlled in parallel for this purpose.
  • connection means 5, in particular at least one connection pin 6, can be fastened to the first circuit board 2 and / or can be electrically conductive with the circuit board 2 be connected. This allows a stable mounting of the connection means 5 through the first circuit board 2, whereby a fixed mounting of the connection means 5 on the end cap 7 and / or an error-prone cable connection between one of the circuit boards 2, 8 and the connection means 5 can be dispensed with. It is preferred that the light-emitting means 1 is constructed cable-free, since this can improve the durability and reliability of the light-emitting means 1.
  • the control electronics 4 or the lighting means 1 is transformer-free.
  • Transformers are used to convert line voltage into lower, easier-to-handle voltages.
  • the use of transformers has the disadvantage that due to the limited magnetic coupling of the transformer windings and core losses relatively large power losses occur through the transformation, which both reduces the efficiency of the lamp 1 and leads to a relatively high heating of the lamp 1.
  • the additional heating requires effort and facilities such as heat sink to dissipate the heat and also restricts the selection of possible materials.
  • the present invention takes a different approach and preferably dispenses with transformers. Instead, in particular rectified mains voltage is used directly to supply a constant current regulator or DC-DC converter to supply the LEDs 3, 9.
  • the efficiency of the luminous means 1 can be improved, in particular since by eliminating the transformer losses with the same current consumption, a better luminous efficacy or, with the same luminous efficacy, a lower current consumption can be realized.
  • control electronics 4 is constructed at least on the output side exclusively with non-electrolytic capacitors.
  • Electrolytic capacitors offer the advantage of a very high capacity density and lower manufacturing costs in terms of capacity. Therefore, it is customary to use electrolytic capacitors, in particular for stabilizing the supply voltage for the LEDs 3, 9.
  • Non-electrolytic capacitors, in particular ceramic layer capacitors, film layer capacitors or the like, are more expensive in terms of the capacity and were therefore previously avoided, in particular if large capacitance values were to be achieved for stabilizing the supply voltage for light-emitting diodes 3, 9. It has been assumed that only with a cost in terms of capacity condenser and a cost-effective light source 1 can be achieved. This prejudice overcomes the present invention and is preferred at least on the output side in the control electronics 4 exclusively non-electrolytic capacitors.
  • non-electrolytic capacitors in addition to better high-frequency characteristics, which are less relevant in the present case, even at lower frequencies are much lower loss than electrolytic capacitors.
  • the heat development can be reduced by the control electronics 4, which allows a significantly reduced material and production use for the cooling of the proposed illuminant 1.
  • the reduced heat development in the luminous means 1 makes it possible to use materials which are more sensitive with respect to the ambient temperature, but less expensive, better to process or otherwise contribute to the function or the production costs of the luminous means 1.
  • non-electrolytic capacitors lead to the advantage that there is no electrolyte that can dry out and thereby lead to a defect in the luminous means 1, which is a frequent source of error.
  • Fig. 3 shows a cross section of the lamp 1 according to the section line III-III Fig. 2
  • An independently realizable aspect of the present invention relates to an at least substantially transparent or translucent cover 13 of the housing 11, which particularly preferably comprises polymethyl methacrylate - PMMA - or consists of PMMA.
  • the housing 11 may therefore comprise PMMA or at least substantially consist of PMMA.
  • a PMMA cover 13 is excellent in visible light transmission property, has high UV resistance and good impact properties, and does not yellow, unlike conventional polycarbonate covers. So far, polycarbonate is used because of its higher temperature resistance, but has poorer transmission properties and yellows after a short time. Consequently, a PMMA cover can be used to realize a shock-resistant luminous means 1 with improved UV resistance, whose luminosity and efficiency are improved due to improved transmission properties of the cover and whose function is not degraded over time due to yellowing effects. By using the cover made of PMMA, the efficiency of the luminous means 1 can thus be improved, that emitted by the outstanding transmission properties of the cover light output can be increased.
  • the temperature of the luminous means 1 can be kept low enough that the use of PMMA is possible.
  • An active cooling and / or an enlarged cooling surface of the housing are possible, but mean a high additional material and labor.
  • the present invention preferably or additionally prefers a transformer-free and / or at least output side constructed exclusively with non-electrolytic capacitors control electronics 4, in particular as described above.
  • control electronics 4 which is transformer-free and / or constructed at least on the output side exclusively with non-electrolytic capacitors, is therefore particularly advantageous, since this allows both a particularly economical and particularly bright light-emitting means 1.
  • a second cover 14 may be connected to the translucent cover 13, in particular clamping and / or latching or positive and / or non-positive.
  • the second cover 14 is preferably made of a heat-dissipating material, in particular aluminum, steel or the like, but may also comprise or consist of PMMA and / or polycarbonate (PC).
  • the second cover 14 may have a means, in particular a groove 15, for receiving, for insertion and / or for holding the boards 2, 8. Alternatively or additionally, the boards 2, 8 can also be held by or with the translucent cover 13.
  • the second cover 14 may have grooves, beads or cooling ribs, in particular on the outside and / or along the housing 11, in order to promote heat dissipation into the environment for cooling the luminous means 1.
  • the housing 11, the transparent or translucent cover 13, the second cover 14 and / or the end caps 7 made of plastic, in particular PMMA and / or polycarbonate or PMMA or polycarbonate , Further, it is possible that the housing 11, the cover 13, the second cover 14 and / or at least one of the end caps 7 are integrally formed.
  • the cover 13 and the second cover 14 may be formed in one piece and / or of the same material, in particular as a section of a PMMA pipe.
  • the entire housing 19 and / or the end caps 7 may be made of plastic. This allows a particularly robust light source that can emit light in several directions at the same time or be sealed against water or other chemicals.
  • PMMA allows a luminous means 1 which at least substantially does not yellow and / or is UV-resistant. It can be provided that the housing 11 or the second cover 14 is metal-free and / or free from cooling ribs. In particular, the housing 11 may be at least substantially riefenamide, furrow-free and / or smooth.
  • a radius of the housing 11, the transparent or translucent cover 13 and / or the second cover 14 has an outer surface which, with respect to a radius in cross-section, is less than a deviation from a mean radius 10%, preferably less than 2%, in particular less than 1%, and / or less than 1 mm, preferably less than 0.7 mm, in particular less than 0.5 mm.
  • the lighting means 1 or the housing 11 may have the shape of an elongated tube, in particular having a length greater than 25 cm, less than 200 cm, substantially 30 cm, 45 cm, 60 cm, 90 cm, 120 cm, 150 cm or 180 cm and / or with a substantially round cross-section, preferably greater than 7 mm, in particular greater than 15 mm and / or less than 40 mm, preferably less than 30 mm, in particular at least substantially between 16 and 28 mm.
  • different boards 2, 8 of the luminous means 1 carry the control electronics 4 or essential parts thereof and the connection means 5.
  • the first board 2 is arranged in the housing 11 frontally, which simplifies a network connection.
  • the mains voltage is transmitted by means of the connector 10 or the like to another board 2, 8.
  • the control electronics 4 is preferably arranged only on one side, in particular on the same side as the connection means 5, the first circuit board 2.
  • mains voltage areas of consumer areas of the board metallizations can be arranged separately on different sides of the boards 2, 8, which is advantageous for operational safety.
  • the starter replacement means 16 is preferably designed to supply the lighting means 1 or the control electronics 4 of the lighting means 1 with mains voltage, ie to connect them to the power grid.
  • the luminous means 1 and the starter replacement means 16 are preferably designed for use in a fluorescent lamp holder.
  • the starter replacement means 16 may in particular be a short-circuiting bridge or the like.
  • the starter replacement means 16 may include a terminal 17 compatible with the starter receptacle of a fluorescent lamp socket or other socket for a starter.
  • the starter replacement means 16 is thus preferably used to replace a starter and / or the lighting means 1 in as a substitute for a fluorescent lamp. Accordingly, the types and connections of lamp 1 and starter replacement means 16 are preferably compatible with the interfaces of a fluorescent lamp socket.
  • control electronics 4 arranged on the underside of the first circuit board 2 transformer-free and / or electrolytic capacitor-free. This allows a small design, wherein the reduced power loss can still be adequately dissipated via a correspondingly smaller housing surface.
  • cover 13 with PMMA with preferably exclusively double-sided metallized boards 2, 8, since the thus improved heat dissipation for the durability, in particular of the PMMA, is beneficial.
  • these are merely examples of a variety of advantageous combinations of different aspects of the present invention.

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  • 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)
EP12008658.2A 2012-01-05 2012-12-28 Moyen d'eclairage à DEL Withdrawn EP2613079A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012000113 2012-01-05
DE102012000973A DE102012000973A1 (de) 2012-01-05 2012-01-20 LED-Leuchtmittel

Publications (1)

Publication Number Publication Date
EP2613079A1 true EP2613079A1 (fr) 2013-07-10

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EP12008658.2A Withdrawn EP2613079A1 (fr) 2012-01-05 2012-12-28 Moyen d'eclairage à DEL

Country Status (2)

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EP (1) EP2613079A1 (fr)
DE (2) DE102012000973A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013206728A1 (de) * 2013-04-15 2014-11-06 Osram Gmbh Leuchtsystem
EP2827055A1 (fr) * 2013-07-15 2015-01-21 RIDI Leuchten GmbH Éclairage doté de dispositif d'éclairage

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Publication number Priority date Publication date Assignee Title
DE102012004334A1 (de) 2012-03-05 2013-09-05 Trialed UK LTD Starterersatzmittel für eine Leuchtstofflampenfassung
DE102017213534A1 (de) 2017-08-03 2019-02-07 Aratron Gmbh LED-Beleuchtungseinrichtung
WO2019072698A1 (fr) 2017-10-10 2019-04-18 Signify Holding B.V. Éclairage tubulaire à semi-conducteurs

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