EP3447359B1 - Appareil de projecteur et procédé de fabrication correspondant - Google Patents

Appareil de projecteur et procédé de fabrication correspondant Download PDF

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Publication number
EP3447359B1
EP3447359B1 EP17187672.5A EP17187672A EP3447359B1 EP 3447359 B1 EP3447359 B1 EP 3447359B1 EP 17187672 A EP17187672 A EP 17187672A EP 3447359 B1 EP3447359 B1 EP 3447359B1
Authority
EP
European Patent Office
Prior art keywords
plate
cup body
metal pins
lens
led
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.)
Active
Application number
EP17187672.5A
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German (de)
English (en)
Other versions
EP3447359A1 (fr
Inventor
Yongchuan LI
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.)
Leedarson America Inc
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Leedarson America Inc
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 Leedarson America Inc filed Critical Leedarson America Inc
Priority to EP17187672.5A priority Critical patent/EP3447359B1/fr
Publication of EP3447359A1 publication Critical patent/EP3447359A1/fr
Application granted granted Critical
Publication of EP3447359B1 publication Critical patent/EP3447359B1/fr
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Classifications

    • 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
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/233—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
    • 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
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
    • 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
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/69—Details of refractors forming part of 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
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • F21V29/508—Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
    • 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
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light

Definitions

  • the present invention is related to a spotlight apparatus and manufacturing method thereof and more particularly related to a LED spotlight apparatus and manufacturing method thereof.
  • Spotlight devices are widely used in various areas, including to better show a painting or a portion of a dinner table.
  • spotlight devices usually takes higher price and thus making them less adopted than needed.
  • Current spotlight devices usually have more complicated structures and thus make them having higher cost.
  • a spotlight apparatus has a LED plate, a lens plate, a cup body and a driver plate.
  • the LED plate has a plurality of LED modules, a metal plate and two connectors.
  • the plurality of LED modules and the two connectors are mounted on the metal plate.
  • the LED modules may each be a single LED chip or multiple LED chips formed as a module.
  • a lens plate has a central lens and a plurality of micro optical structures around the central lens. Different lens plate may be prepared for generating spotlight apparatuses with different light beam characteristics while the other components kept unchanged.
  • a detachable connection structure like screw or clips may be designed so that users may change a different lens plate to fit their needs. For example, a user may buy such spotlight apparatus with a number of lens plates with different central lens settings. The user may replace the default lens plate with another lens plate, e.g. to emit a more wide light beam or a narrower light beam. In addition, different colors of lens plate may be designed so that users may change a different color filter to affect the light beam from such spotlight apparatus.
  • the cup body has a dome portion, a tube portion and a bottom portion.
  • the dome portion and the tube portion are manufactured together as a single body.
  • the lens plate is fixed to a top peripheral end of the dome portion of the cup body.
  • the LED plate is disposed inside the dome portion so that a portion of light emitting from the LED modules running through the central lens of the lens plate to form a focus light beam and another portion of light emitting from the LED modules running through the plurality of micro optical structures to form soft light.
  • the plurality of micro optical structures may be designed to diffuse the light or made of tiny cave, blocks or dots.
  • the central lens may also be made of multiple lens structures instead of a single lens.
  • the driver plate contains driver circuits, two output terminals and two input terminals.
  • the two metal pins are integrated to the bottom portion of the cup body.
  • the two input terminals of the driver plate are inserted into the two metal pins and the two output terminals connected to the LED plate.
  • the neck portion between the dome portion and the tube portion.
  • the tube portion of the cup body has a track trench for guiding and inserting the driver plate.
  • the driver plate may be reliably fixed to the tube portion of the cup body.
  • diffusion optical structures formed on the dome portion and the tube portion, e.g. to increase overall light output and to prevent visual exposing of the components of the spotlight apparatus.
  • the two metal pins have openings respectively for receiving the two input terminals of the driver plate.
  • the two input terminals may not need to be welded but just plugged into the metal pins. This helps significant decrease manufacturing cost.
  • the two metal pins are metal hollow tubes.
  • the two metal pins are cylinder shape with central opening.
  • a portion of the input terminals of the driver plate is deformed when the input terminals are inserted into the openings of the two metal pins to keep better connection between the input terminals and the two metal pins.
  • the input terminal may be made with elastic metal so that when the input terminals are plugged into the metal pins, the input terminals has form changing and increasing force to fix to the metal pins.
  • the two metal pins are molded with the bottom portion of the cup body.
  • the metals are not connected to the bottom portion of the cup body by screw structures. Instead, the metal pins are placed in a molding device while molding the bottom portion of the cup body.
  • the dome portion, the tube portion and the bottom portion of the cup body are together formed with Polycarbonate(PC) material as a single body.
  • PC Polycarbonate
  • the two metal pins are inserted in a molding device when the molding device is used for produce the cup body so that the two metal pins are molded with the bottom portion of the cup body.
  • the lens plate is made of Polycarbonate material as a single body.
  • the cup body and the lens plate may be made of same PC material thus making the overall cost even lower.
  • the driver plate has a base plate with metal material for heat dissipation.
  • the base plate may be made of aluminum.
  • heat dissipation gel may be applied between the track trench and the driver plate to enhance heat dissipation.
  • heat dissipation glue may be applied between the track trench and the driver plate to enhance heat dissipation and connection reliability between the track trench and the driver plate.
  • the lens plate has a transparent hollow cup facing the LED modules.
  • a method for manufacturing a spotlight apparatus has following steps.
  • Two metal pins are placed in a molding device.
  • a cup body is formed with the molding device.
  • the cup body has a dome portion, a tube portion and a bottom portion.
  • the two metal pins are molded with the bottom portion.
  • a lens plate is placed to a top peripheral end of the dome portion of the cup body.
  • the cup body is made of Polycarbonate material.
  • thetube portion of the cup body has a track trench for guiding and inserting the driver plate.
  • the metal pins two metal pins are two metal hollow tubes, and the two input terminals of driver plate are inserted into the two metal hollow tubes.
  • the lens plate has a central lens and a plurality of micro optical structures so that a portion of light emitting from the LED plate running through the central lens of the lens plate to form a focus light beam and another portion of light emitting from the LED plate running through the plurality of micro optical structures to form soft light.
  • Fig. 1 illustrates an exploded diagram of components of a spotlight apparatus.
  • Fig. 5 illustrates a side view of cross-sectional diagram of the components of Fig. 1 when they are assembled together.
  • the spotlight apparatus has a LED plate 103, a lens plate 101, a cup body 105, a driver plate 104, a pair of screws 102 for fixing the components.
  • the LED plate 103 has a plurality of LED modules, a metal plate and two connectors.
  • the plurality of LED modules and the two connectors are mounted on the metal plate.
  • the LED modules may each be a single LED chip or multiple LED chips formed as a module.
  • Fig. 2A and Fig. 2B illustrate a lens plate example.
  • the lens plate is a circular shape andhas a central lens 201 and a plurality of micro optical structures 202 around the central lens.
  • Micro optical structures are patterns including concave or other structure that may guide or change light paths to achieve certain optical effect.
  • Fig. 2B is a side view of Fig. 2A .
  • the lens plate 20 has a transparent hollow cup 203 structure for guiding light entering the central lens 201.
  • the central lens 201 may be made of a single lens or multiple lens that generates the effect of creating a spotlight beam.
  • Different lens plate may be prepared for generating spotlight apparatuses with different light beam characteristics while the other components kept unchanged.
  • a detachable connection structure like screw or clips may be designed so that users may change a different lens plate to fit their needs. For example, a user may buy such spotlight apparatus with a number of lens plates with different central lens settings. The user may replace the default lens plate with another lens plate, e.g. to emit a more wide light beam or a narrower light beam. In addition, different colors of lens plate may be designed so that users may change a different color filter to affect the light beam from such spotlight apparatus.
  • the cup body 105 has a dome portion 1051, a tube portion 1053 and a bottom portion, which facing to and integrated with two metal pins 1054.
  • the dome portion 1051 and the tube portion 1053 are manufactured together as a single body.
  • the lens plate 101 is fixed to a top peripheral end of the dome portion 1051 of the cup body 105.
  • the LED plate 103 is disposed inside the dome portion 1051 so that a portion of light emitting from the LED modules running through the central lens of the lens plate 101 to form a focus light beam and another portion of light emitting from the LED modules running through the plurality of micro optical structures to form soft light.
  • the plurality of micro optical structures may be designed to diffuse the light or made of tiny cave, blocks or dots.
  • the central lens may also be made of multiple lens structures instead of a single lens.
  • the driver plate 104 contains driver circuits, two output terminals and two input terminals.
  • the two metal pins 1054 are integrated to the bottom portion of the cup body 105.
  • the two input terminals 1041 of the driver plate 104 are inserted into the two metal pins 1054 and the two output terminals 1042 connected to the LED plate 103.
  • neck portion 1052 between the dome portion and the tube portion.
  • Fig. 3 There is a first distance 302 between where the LED plate 312 is disposed and the neck portion 311. There is a second distance 301 between the top peripheral 313 and the neck portion 311. The first distance 302 is smaller than half of the second distance 301 and larger than one fourth of the second distance 301. For example, the first distance 302 is about 1/3 of the second distance 301. Such arrangement makes both light efficiency and heat dissipation for leaving space for heat movement.
  • diffusion optical structures formed on the dome portion and the tube portion, e.g. to increase overall light output and to prevent visual exposing of the components of the spotlight apparatus.
  • the two metal pins have openings respectively for receiving the two input terminals of the driver plate.
  • the two input terminals may not need to be welded but just plugged into the metal pins. This helps significant decrease manufacturing cost.
  • the two metal pins are metal hollow tubes.
  • the two metal pins are cylinder shape with central opening.
  • a portion of the input terminals of the driver plate is deformed when the input terminals are inserted into the openings of the two metal pins to keep better connection between the input terminals and the two metal pins.
  • the input terminal may be made with elastic metal so that when the input terminals are plugged into the metal pins, the input terminals has form changing and increasing force to fix to the metal pins.
  • the two metal pins are molded with the bottom portion of the cup body.
  • the metals are not connected to the bottom portion of the cup body by screw structures. Instead, the metal pins are placed in a molding device while molding the bottom portion of the cup body.
  • the dome portion, the tube portion and the bottom portion of the cup body are together formed with Polycarbonate (PC) material as a single body.
  • PC Polycarbonate
  • other plastic or material may be adopted if they allow light to go through.
  • Fig. 4 illustrates interaction between an input terminal of a driver plate 401 and a metal pins 402.
  • the front end of the input terminal is inserted into a hole of the metal pins 402.
  • a deformation of the inserted portion of the input terminal 401 would help fixing better for the input terminal 401 and the metal pins 402.
  • the two metal pins are inserted in a molding device when the molding device is used for produce the cup body so that the two metal pins are molded with the bottom portion of the cup body.
  • the lens plate is made of Polycarbonate material as a single body.
  • the cup body and the lens plate may be made of same PC material thus making the overall cost even lower.
  • the tube portion of the cup body has a track trench for guiding and inserting the driver plate.
  • the driver plate may be reliably fixed to the tube portion of the cup body.
  • the driver plate has a base plate with metal material for heat dissipation.
  • the base plate may be made of aluminum.
  • heat dissipation gel may be applied between the track trench and the driver plate to enhance heat dissipation.
  • heat dissipation glue may be applied between the track trench and the driver plate to enhance heat dissipation and connection reliability between the track trench and the driver plate.
  • the lens plate has a transparent hollow cup facing the LED modules.
  • FIG. 6 is a flowchart illustrating a method for manufacturing a spotlight apparatus that has following steps.
  • Two metal pins are placed in a molding device (step 601).
  • a cup body is formed with the molding device (step 602).
  • the cup body has a dome portion, a tube portion and a bottom portion.
  • the two metal pins are molded with the bottom portion.
  • a driver plate is placed in the cup body (step 603) so that two input pins of the driver plate are inserted into the two metal pins.
  • a LED plate is mounted on the driver plate (step 604) so that two output terminals of the driver plate are electrically connected to the LED plate.
  • a lens plate is placed (step 605) to a top peripheral end of the dome portion of the cup body.
  • the cup body is made of Polycarbonate material.
  • the tube portion of the cup body has a track trench for guiding and inserting the driver plate.
  • the metal pins two metal pins are two metal hollow tubes, and the two input terminals of driver plate are inserted into the two metal hollow tubes.
  • the lens plate has a central lens and a plurality of micro optical structures so that a portion of light emitting from the LED plate running through the central lens of the lens plate to form a focus light beam and another portion of light emitting from the LED plate running through the plurality of micro optical structures to form soft light.
  • metal pins mentioned above may be designed as screw with associated screw grooves on the bottom portion of the cup body.
  • Other ways for integrating the metal pins with the bottom portion of the cup body may also be adopted under different design needs.

Claims (11)

  1. Un appareil à projecteur comprenant :
    une plaque LED (103) comprenant une pluralité de modules LED, une plaque métallique et deux connecteurs, la pluralité de modules LED et les deux connecteurs étant montés sur la plaque métallique ;
    une plaque de lentilles (101), comprenant une lentille centrale (201) et une pluralité de micro-structures optiques (202) ;
    un corps de coupelle (105) comprenant une partie dôme (1051), une partie tube (1053) et une partie inférieure, la partie dôme (1051) et la partie tube (1053) étant fabriquées ensemble comme un seul corps, la plaque de lentille (101) étant fixée à une extrémité périphérique supérieure de la partie dôme (1051) du corps de coupelle (105), la plaque LED (103) étant disposée à l'intérieur de la partie dôme (1051) de sorte qu'une partie de la lumière émise par les modules LED traversant la lentille centrale (201) de la plaque de lentille (101) forme un faisceau de lumière focalisé et qu'une autre partie de la lumière émise par les modules LED traversant la pluralité de micro-structures optiques (202) forme une lumière douce ;
    une plaque de commande (104) contenant des circuits de commande, deux bornes de sortie (1042) et deux bornes d'entrée (1041) ; et
    deux broches métalliques (1054) intégrées à la partie inférieure du corps de la coupelle (105), les deux bornes d'entrée (1041) de la plaque de commande (104) insérées dans les deux broches métalliques (1054) et les deux bornes de sortie (1042) connectées à la plaque LED (103) ;
    dans lequel les deux broches métalliques (1054) ont des ouvertures pour recevoir respectivement les deux bornes d'entrée (1041) de la plaque d'entraînement (104) ;
    dans lequel une partie des bornes d'entrée de la plaque d'entraînement (104) est déformée lorsque les bornes d'entrée sont insérées dans les ouvertures des deux broches métalliques (1054) afin de maintenir une meilleure connexion entre les bornes d'entrée et les deux broches métalliques (1054) ;
    dans lequel il y a une partie de col (1052) entre la partie de dôme (1051) et la partie de tube (1053), il y a une première distance entre l'endroit où la plaque LED (103) est disposée et la partie de col (1052), il y a une deuxième distance entre la périphérie supérieure et la partie de col (1052), et la première distance est plus petite que la moitié de la deuxième distance et plus grande qu'un quart de la deuxième distance, dans lequel la partie de tube (1053) du corps de la coupelle (105) a une rainure pour guider et insérer la plaque d'entraînement (104).
  2. L'appareil à projecteur de la revendication 1, dans lequel les structures optiques de diffusion (202) sont formées sur la partie du dôme (1051) et la partie du tube (1053).
  3. L'appareil à projecteur de la revendication 1, dans lequel les deux broches métalliques (1054) sont des tubes creux métalliques.
  4. L'appareil à projecteur de la revendication 1, dans lequel les deux broches métalliques (1054) sont moulées dans la partie inférieure du corps de la coupelle (105).
  5. L'appareil à projecteur de la revendication 1, dans lequel la partie dôme (1051), la partie tube (1053) et la partie inférieure du corps de la coupelle (105) sont formées ensemble avec un matériau polycarbonate comme un seul corps.
  6. L'appareil à projecteur de la revendication 5, dans lequel les deux broches métalliques (1054) sont insérées dans un dispositif de moulage lorsque le dispositif de moulage est utilisé pour produire le corps du gobelet (105) de sorte que les deux broches métalliques (1054) sont moulées avec la partie inférieure du corps du gobelet (105).
  7. L'appareil à projecteur de la revendication 5, dans lequel la plaque de lentille (101) est constituée d'un seul corps en polycarbonate.
  8. L'appareil à projecteur de la revendication 1, dans lequel la plaque d'attaque (104) a une plaque de base avec un matériau métallique pour la dissipation de la chaleur.
  9. L'appareil à projecteur de la revendication 1, comprend en outre un gel de dissipation de la chaleur entre la tranchée de la voie et la plaque d'entraînement (104) afin d'améliorer la dissipation de la chaleur.
  10. L'appareil à projecteur de la revendication 1, comprenant en outre une colle de dissipation thermique entre la tranchée de la piste et la plaque d'entraînement (104) pour améliorer la dissipation thermique et la fiabilité de la connexion entre la tranchée de la piste et la plaque d'entraînement (104).
  11. L'appareil à projecteur de la revendication 1, dans lequel la plaque de lentille (101) possède une coupelle creuse transparente (203) orientée vers les modules LED.
EP17187672.5A 2017-08-24 2017-08-24 Appareil de projecteur et procédé de fabrication correspondant Active EP3447359B1 (fr)

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EP17187672.5A EP3447359B1 (fr) 2017-08-24 2017-08-24 Appareil de projecteur et procédé de fabrication correspondant

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EP17187672.5A EP3447359B1 (fr) 2017-08-24 2017-08-24 Appareil de projecteur et procédé de fabrication correspondant

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EP3447359A1 EP3447359A1 (fr) 2019-02-27
EP3447359B1 true EP3447359B1 (fr) 2023-08-16

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Citations (4)

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Publication number Priority date Publication date Assignee Title
WO2003107376A2 (fr) * 2002-06-18 2003-12-24 Koninklijke Philips Electronics N.V. Lampe electrique coiffee et lampe a decharge a vapeur de mercure basse pression
EP1855052A2 (fr) * 2006-05-11 2007-11-14 Patent -Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe de réflecteur
DE202007009060U1 (de) * 2007-06-28 2008-08-07 Osram Gesellschaft mit beschränkter Haftung Elektrische Verbindung zwischen wenigstens zwei Teilen und elektrisches Gerät mit einer derartigen Verbindung
US20130230995A1 (en) * 2012-03-02 2013-09-05 Ilumisys, Inc. Electrical connector header for an led-based light

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Publication number Priority date Publication date Assignee Title
US20130141908A1 (en) * 2010-04-16 2013-06-06 Edward Rodriguez Miniature cellular structure for retrofit led lamp secondary optics
JP4926262B2 (ja) * 2010-05-31 2012-05-09 シャープ株式会社 照明装置
KR101349841B1 (ko) * 2010-06-24 2014-01-09 엘지전자 주식회사 Ｌｅｄ 조명기구
US8801233B2 (en) * 2011-11-30 2014-08-12 Cree, Inc. Optical arrangement for a solid-state lighting system
CN202691707U (zh) * 2012-07-20 2013-01-23 东莞可见优照明电器有限公司 Led灯
CN104747934A (zh) * 2013-12-31 2015-07-01 赵依军 用于提供定向光束的led照明装置
CN204240090U (zh) * 2014-06-30 2015-04-01 赵依军 用于提供定向光束的led照明装置
DE102015216662A1 (de) * 2015-09-01 2017-03-02 Osram Gmbh Leuchtmittel mit LEDs

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003107376A2 (fr) * 2002-06-18 2003-12-24 Koninklijke Philips Electronics N.V. Lampe electrique coiffee et lampe a decharge a vapeur de mercure basse pression
EP1855052A2 (fr) * 2006-05-11 2007-11-14 Patent -Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe de réflecteur
DE202007009060U1 (de) * 2007-06-28 2008-08-07 Osram Gesellschaft mit beschränkter Haftung Elektrische Verbindung zwischen wenigstens zwei Teilen und elektrisches Gerät mit einer derartigen Verbindung
US20130230995A1 (en) * 2012-03-02 2013-09-05 Ilumisys, Inc. Electrical connector header for an led-based light

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