EP3795888B1 - Lampe a led - Google Patents

Lampe a led Download PDF

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Publication number
EP3795888B1
EP3795888B1 EP20000340.8A EP20000340A EP3795888B1 EP 3795888 B1 EP3795888 B1 EP 3795888B1 EP 20000340 A EP20000340 A EP 20000340A EP 3795888 B1 EP3795888 B1 EP 3795888B1
Authority
EP
European Patent Office
Prior art keywords
lamp
light source
led light
electrical
supporting
Prior art date
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Active
Application number
EP20000340.8A
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German (de)
English (en)
Other versions
EP3795888A1 (fr
Inventor
Giovanni Gervasio
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.)
Gs Plastics SAS Di Giovanni Gervasio & C
Original Assignee
Gs Plastics SAS Di Giovanni Gervasio & C
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.)
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Publication date
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Publication of EP3795888A1 publication Critical patent/EP3795888A1/fr
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Publication of EP3795888B1 publication Critical patent/EP3795888B1/fr
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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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F21V15/015—Devices for covering joints between adjacent lighting devices; End coverings
    • 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
    • F21K9/272—Details of end parts, i.e. the parts that connect the light source to a fitting; Arrangement of components within end parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
    • F21V19/008—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps
    • F21V19/0085—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps at least one conductive element acting as a support means, e.g. resilient contact blades, piston-like contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
    • H01R33/08—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp
    • H01R33/0836—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp characterised by the lamp holding means
    • H01R33/0845—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp characterised by the lamp holding means with axially resilient member

Definitions

  • the present invention relates to a low-voltage LED lamp.
  • the LED tube lamp is known, which is a particular LED lamp with the same shape as tubular linear fluorescent lamps. Inside, it is composed of many LED diodes that emit light.
  • WO 2010/005682 A2 discloses an end cap, a socket, and adaptors for use with a lamp, to obviate the drawback of the conventional devices, in which there is no mechanism to prevent improper coupling between mis-matched lamps and sockets.
  • WO 2010/005682 A2 provides a twist-lock socket structured to prevent or "lock-out" certain end caps from coupling with the socket, thus helping to ensure that an appropriate lamp bulb can be coupled with a particular socket ( WO 2010/005682 A2 , description text, page 1, last two sentences).
  • WO 2010/005682 A2 does not teach to provide a lamp system with LED lamps whose light beam can be oriented to optimize the ambient illumination.
  • the lamp system according US 2017/241599 A1 provides a single lighting arrangement of the straight tube type lamp 13 in which the same can ir-radiate the light beam. Therefore, US 2017/241599 A1 does not teach to provide LED lamp arrangement in which the light beam of the lamp can be oriented to optimize the ambient illumination.
  • Document US 2011/235319 A1 discloses a lamp system including a rotary lamp socket, in which an alternative lamp or the fluorescent lamp can be mounted by merely rotating the lamp together with a rotor. This makes it possible to mount the alternative lamp or the fluorescent lamp with ease ( US 2011/235319 A1 , de-scription text, paragraph [0060]).
  • the lamp system according US 2011/235319 A1 provides a single lighting arrangement of the alternative lamp or the fluorescent lamp in which the same can irradiate the light beam.
  • the light beam of each lamp can be oriented only in a respective predetermined position.
  • US 2011/235319 A1 does not teach to provide LED lamp arrangement in which the light beam of the lamp can be oriented to optimize the ambient illumination.
  • LED lamps whose light beam can be oriented to optimise the ambient illumination, to obviate the technical limit of the strong directionality of light from a LED lamp with respect to an equivalent fluorescent or incandescent lamp.
  • the present invention provides a lamp with at least one low-voltage LED light source, the essential characteristic of which forms the object of claim 1.
  • the lamp comprises at least one low-voltage LED light source, wherein said at least LED light source has, at its axial ends, two electrical and/or mechanical connecting plugs. Furthermore, said lamp comprises:
  • said lamp is characterised in that it comprises a pair of said supporting bodies mechanically independent from one another, with respective supporting plates and corresponding rotation limiting cradle supports, wherein said at least one LED light source has at each end two plugs mechanically connected to corresponding notches of a corresponding rotational connector means, with only one plug being electrically connected to a low voltage electrical grid.
  • said lamp is characterised in that said supporting body is made of at least one part, which has a housing for at least one supporting plate and includes an electrical connector board configured to electrically connect said pair of laminar electrical connectors to a low voltage electrical grid.
  • said lamp is also characterised in that said supporting body comprises two specularly symmetrical half-shells.
  • Said lamp is further characterised in that it comprises at least one threaded sleeve integrated with said supporting body and a corresponding locking nut screwed onto said sleeve, configured to internally detachably fix an electrical connection means to said electrical connector board, and a tubular gasket housed inside said threaded sleeve and configured to internally contain said electrical connection means and to prevent the entrance of contaminants external to said locking nut via said threaded sleeve.
  • said lamp is characterised in that said rotational connector means comprises a hollow plate which houses internally said pair of laminar electrical connectors corresponding to respective notches, and said supporting plate comprises at least one opening configured to allow the passage of an electrical connection between said pair of laminar electrical connectors and said electrical connector board.
  • Said lamp is also characterised in that it comprises an automatic electrical disconnection device between said pair of laminar electrical connectors and a low voltage electrical grid.
  • said lamp is characterised in that it comprises, in at least an extremity zone of said LED light source, a cap comprising a collar shoed onto said at least one LED light source and a peripheral boundary, opposed to said collar, shaped like said housing seat and shoed onto it.
  • said lamp is characterised in that said supporting body cooperates with corresponding connection means with respect to an external supporting means, which are configured to mechanically support said supporting body by detachably fixing with at least one coupling device.
  • said lamp is characterised in that said supporting plate comprises, on one of its external surfaces, said rotation limiting cradle support.
  • Said lamp also comprises at least one closing means configured to be detachably fixed with respect to said second housing seat, or to said first housing seat and a cover shoed onto said at least one closing means and said second housing seat, or said first housing seat.
  • each LED T tube has a generally cylindrical shape and at the axial ends a respective pair of electrical and mechanical connecting plugs T1.
  • said lamp 10 comprises, with reference to figure 1 :
  • said hollow supporting body 11 is made of two half-shells 11.2 specularly symmetrical with respect to a plane containing said axis X-X, and which contain an electrical connector board 11.3 configured for the electrical connection between said pair of laminar electrical connectors 15 and a low voltage electrical grid.
  • Said lamp 10 also comprises a threaded sleeve 11.4 integrated with the hollow body 11 and a locking nut 11.5 screwed onto said sleeve 11.4, configured to internally detachably fix an electrical connection means (an electric cable) electrically branched from said electrical grid and electrically connected to said electrical connector board 11.3.
  • an electrical connection means an electric cable
  • Said lamp 10 also comprises a tubular gasket 11.7 housed inside said threaded sleeve 11.4 and configured to internally contain the electrical connection means coming from said electrical grid and to prevent the entrance of contaminants external to said locking nut 11.5 via said threaded sleeve 11.4.
  • Said lamp 10 also comprises an automatic electrical disconnection device 11.6, for example a fuse, which creates an electrical connection between said pair of laminar contacts 15 and said connector board 11.3.
  • an automatic electrical disconnection device 11.6 for example a fuse, which creates an electrical connection between said pair of laminar contacts 15 and said connector board 11.3.
  • said supporting body 11 can for example be arranged in a vertical position ( figures 5 and 12 ), wherein the sleeve 11.4 overlies said plate 14, or in a horizontal position ( figures 6 and 13 ), wherein said sleeve 11.4 is lateral with respect to said plate 14, while still maintaining the arrangement of the notches 14.1 vertical and open at the top.
  • This characteristic is achieved by arranging the supporting plate 12 in a different relative position with respect to the corresponding seat 11.1 of the body 11, i.e. by rotating it around the axis X-X by an angle of 90° in an anticlockwise direction.
  • two LED T tubes aligned axially, are each supported in an overhanging manner by a single supporting body 11.
  • a single LED T tube is supported by a pair of supporting bodies 11 mechanically independent from one another.
  • the two LED tubes shown in said figure are provided with respective caps 17, similar to those shown in figure 4 , which cooperate with the corresponding seats 11.1 of the supporting body 11 in the overhanging support of the respective LED tube.
  • Figure 9 also shows a closing means 11.8, configured as a safety plug made of plastic material, elastically snap fastened into a seat 11.1 not occupied by a small plate 12.
  • Figures 10 to 13 show another embodiment variant of the invention, wherein said pair of detachable coupling devices 18 of said hollow supporting body 11 cooperate with a respective pair of devices present on the part P for elastic snap fastening.
  • This configuration enables said hollow supporting body 11 to be supported by flat surfaces by means of other known fastenings not illustrated here, such as, for example, dowels, magnets, screw clamps or elastic clamps.
  • the reference number 20 indicates in figure 14 the lamp with four low-voltage LED T tubes, according to a second example of embodiment.
  • Said supporting body 11 provides a pair of housing seats 11.1, each one elastically snap fastened to a respective coupling device 28 of a cross-shaped connecting hollow body 21.
  • Said cross-shaped connecting hollow body 21 comprises two specularly symmetrical half-shells made of a plastic material and provides said coupling device 28 and three housing seats 21.1 configured to receive respective supporting plates 22, or respective safety plugs 21.8 made of a plastic material, elastically snap fastened and covered by corresponding covers 21.9 made of an elastomeric material.
  • said safety plug 21.8 is placed in a distal position with respect to said supporting body 11, and a pair of supporting plates 22, opposite one another, occupy the two remaining housing seats 21.1.
  • Each of said supporting plates 22 is provided with rotational means 24 for connecting a LED T tube to a corresponding rotation limiting cradle support 23, oscillating around an axis X'-X', and is configured as a small plate 24 having a pair of notches 24.1, open on the peripheral boundary and creating a mechanical connection with respective plugs T1 protruding from each end of each said LED T tube, fully inserted from the top towards the bottom in said notches 24.1.
  • Said rotational connector means 24 is made of a small hollow plate 24.2 in a moulded plastic material and has a pair of shoulders 24.3 cooperating with said cradle support 23 to limit the rotation of said small plate around said axis X'-X'.
  • Connecting means 26 for said supporting plates 22 and said rotational connector means 24 comprise screw means, also configured as a pin with an axis coincident with said axis X'-X'.
  • a possible variant of the invention involves the electrical connection between said LED tube and said electrical connector board of a hollow supporting body by means of a pair of said laminar electrical connectors, electrically connected with a respective pair of small metallic plates disposed in contact on the longitudinal surface of said LED tube in a proximal position with respect to said rotational connector means of said hollow supporting body.
  • a further possible variant of the invention involves the electrical connection between said LED tube and said electrical connector board by means of a single laminar electrical connector, placed at a respective notch cavity of said rotational connector means, thereby creating an electrical connection with at least one of said plugs of said LED tube.
  • the present invention makes it possible, in a simple, effective manner, to achieve the objects set out in the introductory part of this description.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Led Device Packages (AREA)

Claims (12)

  1. Lampe (10) avec au moins une source lumineuse à DEL (T) à basse tension, dans laquelle ladite source lumineuse à DEL (T) possède à ses extrémités axiales au moins une fiche (T1) pour un raccordement électrique et/ou mécanique, ladite lampe (10) comprenant :
    - au moins un corps de support (11) de ladite source lumineuse à DEL (T) au minimum ;
    - au moins une plaque de support (12) de ladite source lumineuse à DEL (T) au minimum, où :
    - ledit corps de support (11) au minimum comporte au moins un logement (11.1) de ladite plaque de support (12) au minimum de ladite source lumineuse à DEL (T) au minimum,
    - ladite plaque de support (12) au minimum comprend un support fixe à berceau de limitation de course (13), en forme d'arc de cercle ayant un axe (X-X), et
    - ladite plaque (12) au minimum est disposée de manière fixe et empêchée de tourner par rapport audit corps de support (11) ;
    - au moins un moyen de raccordement rotatif (14) de ladite source lumineuse à DEL (T) au minimum dans ledit support à berceau de limitation de course (13), de manière oscillante autour dudit axe (X-X), configuré comme une plaque ayant au moins une fente (14.1) ouverte sur le contour périphérique pour réaliser un raccordement mécanique avec ladite fiche (T1) et au moins un épaulement (14.3) coopérant avec ledit berceau de limitation de course (13) ;
    - au moins un contact électrique en feuille (15), qui établit un contact électrique avec ladite source lumineuse à DEL (T) au minimum ;
    - des moyens de raccordement (16) de ladite plaque de support (12) et dudit moyen de raccordement rotatifs (14) avec possibilité d'oscillation autour dudit axe (X-X),
    caractérisée par le fait que ladite lampe (10) comprend également :
    - ladite au moins source lumineuse à DEL (T) avec au moins deux fiches (T1) à chacune de ses extrémités axiales ;
    - au moins une paire de fentes (14.1) prévues dans ladite plaquette, parallèles l'une à l'autre et présentant une distance mutuelle égale à la distance entre lesdites au moins deux fiches (T1) faisant saillie à partir d'une extrémité respective de ladite source lumineuse à DEL (T) au minimum ;
    - au moins une paire de contacts électriques en feuille (15) fixés par rapport auxdits moyens de raccordement rotatifs (14) et établissant respectivement un contact électrique avec lesdites deux fiches (T1) connectées mécaniquement dans lesdites fentes (14.1).
  2. Lampe (10) selon la revendication 1, caractérisée par le fait qu'elle comprend une paire desdits corps de support (11) mécaniquement indépendants, avec des plaques de support (12) respectives et des supports à berceau à limitation de course (13) correspondants, où ladite source lumineuse à DEL (T) au minimum possède à chaque extrémité lesdites au moins deux fiches connectées mécaniquement dans des fentes (11.1) correspondantes d'un moyen de raccordement rotatif (14) respectif, où une seule fiche est connectée électriquement à un réseau de distribution d'énergie à basse tension.
  3. Lampe (10) selon la revendication 1 et/ou 2, caractérisée par le fait que ledit corps de support (11) est formé par au moins une partie (11.2), qui comporte un logement pour au moins une plaque de support (12) et contient un bornier porte-contacts (11.3) configuré pour le raccordement électrique de ladite paire de contacts électriques en feuille (15) au minimum à un réseau de distribution d'énergie électrique à basse tension.
  4. Lampe (10) selon l'une ou plusieurs des revendications précédentes, caractérisée par le fait que ledit corps de support (11) comprend deux demicoquilles à symétrie spéculaire (11.2).
  5. Lampe (10) selon la revendication 3, caractérisée par le fait qu'elle comprend au moins un manchon fileté (11.4) solidaire dudit corps de support (11) et un écrou de serrage (11.5) correspondant engagé par vissage sur ledit manchon, configuré de manière à fixer intérieurement, de manière amovible, un moyen de raccordement électrique audit bornier porte-contact (11.3), et un joint tubulaire (11.7) logé dans ledit manchon fileté (11.4) et configuré de manière à contenir intérieurement ledit moyen de raccordement électrique et à empêcher la pénétration de contaminants extérieurs à l'écrou de serrage (11.5) à travers ledit manchon fileté (11.4).
  6. Lampe (10) selon l'une ou plusieurs des revendications précédentes, caractérisée par le fait que ledit moyen de raccordement rotatif (14) comprend une platine creuse (14.2) à l'intérieur de laquelle est logée ladite paire de contacts électriques à feuille (15) au minimum au niveau d'une fente respective (14.1), et que ladite plaque de support (12) comprend au moins une ouverture configurée pour permettre le passage d'un raccordement électrique entre ladite paire de contacts à feuille (15) et ledit bornier porte-contacts (11.3).
  7. Lampe (10) selon une ou plusieurs des revendications précédentes, caractérisée par le fait qu'elle comprend un dispositif d'interruption automatique de l'alimentation électrique (11.6) entre ladite paire de contacts de feuille électrique (15) au minimum et un réseau de distribution d'énergie électrique à basse tension.
  8. Lampe (10) selon une ou plusieurs des revendications précédentes, caractérisée par le fait qu'elle comprend, dans au moins une zone d'extrémité de ladite source lumineuse à DEL (T) au minimum, un capuchon (17) comprenant une collerette (17.1) enfilée sur ladite source lumineuse à DEL (T) au minimum et un contour périphérique (17.2), opposé à ladite collerette (17.1), d'une forme correspondant à celle dudit logement (11.1) et enfilé sur ce dernier.
  9. Lampe (10) selon une ou plusieurs des revendications précédentes, caractérisée par le fait que ledit corps de support (11) coopère avec des moyens de liaison correspondants par rapport à un organe de support externe (B, P), lesquels sont configurés pour le support mécanique dudit corps de support (11) au moyen d'une fixation amovible avec au moins un organe de liaison (18).
  10. Lampe (10) selon une ou plusieurs des revendications précédentes, caractérisée par le fait que ladite plaque de support (12) comprend, sur l'une de ses faces extérieures (12.1), ledit support fixe à berceau de limitation de course (13).
  11. Lampe (10) selon une ou plusieurs des revendications précédentes, caractérisée par le fait qu'elle comprend :
    - au moins un corps de support (11), comportant au moins un premier logement (11.1) ;
    - au moins un corps de raccordement creux (21) comprenant au moins une partie comprenant :
    - au moins un deuxième logement (21.1) d'une plaque correspondante (22) de support d'au moins une source lumineuse à DEL (T) comprenant deux fiches (T1), dont la plaque (22) comprend un support à berceau de limitation de course fixe (23) en arc de cercle ayant un axe (X'-X'), et où ladite plaque (22) est disposée de manière fixe et empêchée de tourner par rapport audit corps creux (21) ;
    - au moins un moyen de raccordement rotatif (24) de ladite source lumineuse LED (T) au minimum dans ledit support à berceau de limitation de course (23), de manière oscillante autour dudit axe (X'-X'), configuré comme une plaquette (24) présentant au moins une paire de fentes (24.1) ouvertes sur son contour périphérique pour réaliser un raccordement mécanique avec lesdites deux fiches (T1) et au moins un épaulement (24.3) coopérant avec ledit berceau de limitation de course (23) ;
    - au moins une paire de contacts électriques en feuille (25) qui établit un contact électrique avec lesdites au moins deux fiches (T1) de ladite source lumineuse à DEL (T) au minimum ;
    - des moyens de raccordement (26) de ladite plaque de support (22) et dudit moyen de raccordement rotatif (24) avec la possibilité d'osciller autour dudit axe (X'-X') ;
    - ledit corps de raccordement creux (21) comprend en outre au moins un dispositif de raccordement (28) configuré pour coopérer avec ledit premier logement (11.1) dudit corps de support (11) en fixant de manière amovible ledit corps de raccordement creux (21) audit corps de support (11).
  12. Lampe (10) selon la revendication 11, caractérisée par le fait qu'elle comprend au moins un moyen de fermeture (11.8, 21.8) configuré pour une fixation amovible par rapport audit deuxième logement (21.1), respectivement dudit premier logement (11.1) et un capuchon (21.9) s'enfilant sur ledit moyen de fermeture (11.8, 21.8) au minimum et ledit deuxième logement (21.1), respectivement dudit premier logement (11.1).
EP20000340.8A 2019-09-23 2020-09-23 Lampe a led Active EP3795888B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000017039A IT201900017039A1 (it) 2019-09-23 2019-09-23 Lampada a led

Publications (2)

Publication Number Publication Date
EP3795888A1 EP3795888A1 (fr) 2021-03-24
EP3795888B1 true EP3795888B1 (fr) 2023-11-15

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EP20000340.8A Active EP3795888B1 (fr) 2019-09-23 2020-09-23 Lampe a led

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EP (1) EP3795888B1 (fr)
ES (1) ES2970208T3 (fr)
FI (1) FI3795888T3 (fr)
IT (1) IT201900017039A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113203069B (zh) * 2021-05-11 2024-02-27 二工防爆科技股份有限公司 一种防爆应急灯

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2716945C (fr) * 2008-06-12 2016-11-15 Light Sources, Inc. Embout, douille et adaptateurs a utiliser avec une lampe
US9318860B2 (en) * 2010-03-23 2016-04-19 Panasonic Corporation Light source, lamp socket and illumination device using the lamp socket
JP6114576B2 (ja) * 2013-03-04 2017-04-12 東芝ライテック株式会社 ランプシステム

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ES2970208T3 (es) 2024-05-27
IT201900017039A1 (it) 2021-03-23
FI3795888T3 (fi) 2024-02-08
EP3795888A1 (fr) 2021-03-24

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