FR2813115A1 - Signalling panels/sign lighting throw away unit having painted transparent tube with slot section and inner placed economy light bulbs with reflectors behind socket mounted and sealed. - Google Patents

Signalling panels/sign lighting throw away unit having painted transparent tube with slot section and inner placed economy light bulbs with reflectors behind socket mounted and sealed. Download PDF

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Publication number
FR2813115A1
FR2813115A1 FR0010826A FR0010826A FR2813115A1 FR 2813115 A1 FR2813115 A1 FR 2813115A1 FR 0010826 A FR0010826 A FR 0010826A FR 0010826 A FR0010826 A FR 0010826A FR 2813115 A1 FR2813115 A1 FR 2813115A1
Authority
FR
France
Prior art keywords
tube
sealed
throw away
transparent tube
light bulbs
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Withdrawn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
FR0010826A
Other languages
French (fr)
Inventor
Emmanuel Brasset
Dominique Fortin
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.)
SEMMARIS
Original Assignee
SEMMARIS
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 SEMMARIS filed Critical SEMMARIS
Priority to FR0010826A priority Critical patent/FR2813115A1/en
Publication of FR2813115A1 publication Critical patent/FR2813115A1/en
Withdrawn legal-status Critical Current

Links

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
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/033—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade
    • F21S8/035—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade by means of plugging into a wall outlet, e.g. night light
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/04—Provision of filling media
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0058—Reflectors for light sources adapted to cooperate with light sources of shapes different from point-like or linear, e.g. circular light sources
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/043—Optical design with cylindrical surface
    • 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
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • F21Y2103/37—U-shaped
    • 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
    • F21Y2113/00—Combination of light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

The throw away lighting unit has a transparent tube (1) with a painted surface (2) leaving a transparent slotted band (3). The tube inner has energy saver bulbs (6) and a flexible aluminium sheet (5) providing a reflector. The bulbs are fixed in a socket which are cabled in parallel and fed from a cable feed (8). The assembly is sealed by plastic or resin injection (7).

Description

<Desc/Clms Page number 1>
La présente invention concerne un dispositif d'éclairage destiné à un usage en intérieur ou en extérieur, jetable en cas de panne ou dysfonctionnement. <Desc / Clms Page number 1>
The present invention relates to a lighting device intended for indoor or outdoor use, disposable in the event of a breakdown or malfunction.

Les dispositifs d'éclairage utilisables en extérieur sont traditionnellement onéreux compte tenu de la difficulté d'assurer simultanément une étanchéité parfaite et une possibilité de maintenance. De plus, leurs poids importants imposent des dispositifs d'accrochage spécifiques et coûteux. Lighting devices that can be used outdoors are traditionally expensive, given the difficulty of simultaneously ensuring perfect sealing and the possibility of maintenance. In addition, their heavy weights require specific and costly hanging devices.

Le dispositif selon l'invention présente un coût de production relativement faible, qui justifie le choix d'une impossibilité de maintenance et donc le remplacement du dispositif à l'identique en cas de problème de fonctionnement. Son faible poids facilite son accrochage, le dispositif pouvant même être fixé directement sur un panneau ou une enseigne, évitant ainsi la réalisation d'un support spécifique. Il comporte un tube transparent dont la surface est peinte de manière à laisser une bande transparente sur toute la longueur du tube. L'éclairage est assuré grâce à deux ampoules à économie d'énergie placées à l'intérieur du tube en ses deux extrémités. Ces deux ampoules sont maintenues par deux douilles solidaires d'une tôle d'aluminium pliée faisant office de réflecteur. L'ensemble tôle - douilles - ampoules est glissé à l'intérieur du tube après assemblage, le réflecteur étant placé face à la bande transparente du tube. The device according to the invention has a relatively low production cost, which justifies the choice of an impossibility of maintenance and therefore the replacement of the device identically in the event of an operating problem. Its low weight makes it easy to hang, the device can even be fixed directly to a panel or sign, thus avoiding the creation of a specific support. It has a transparent tube, the surface of which is painted so as to leave a transparent strip over the entire length of the tube. Lighting is provided by two energy saving bulbs placed inside the tube at its two ends. These two bulbs are held by two sockets integral with a folded aluminum sheet serving as a reflector. The sheet metal - sockets - bulbs assembly is slipped inside the tube after assembly, the reflector being placed facing the transparent strip of the tube.

Pour permettre une utilisation en extérieur du dispositif, et donc assurer son étanchéité, les extrémités du tube sont bouchées de manière définitive par injection de plastique, résine, ou autre matériau.  To allow outdoor use of the device, and therefore ensure its tightness, the ends of the tube are permanently plugged by injection of plastic, resin, or other material.

Selon des modes particuliers de réalisation - Le tube utilisé peut être translucide. According to particular embodiments - The tube used can be translucent.

- La tôle d'aluminium peut être prévue cintrée. Les dessins annexés illustrent l'invention La figure 1 représente en vue de face le dispositif de l'invention. - The aluminum sheet can be provided bent. The accompanying drawings illustrate the invention. Figure 1 shows a front view of the device of the invention.

La figure 2 représente en coupe longitudinale le dispositif de l'invention. La figure 3 représente en coupe transversale le dispositif de l'invention. Figure 2 shows in longitudinal section the device of the invention. Figure 3 shows in cross section the device of the invention.

En référence à ces dessins, le dispositif comporte un tube transparent (1) dont la surface est peinte (2) de manière à laisser une bande transparente sur toute la longueur du tube (3) . A l'intérieur de ce tube (1) , on glisse un ensemble composé d'une tôle d'aluminium pliée (4) aux extrémités de laquelle on fixe deux douilles (5) par sertissage ou autre moyen de fixation, destinées à recevoir deux ampoules à économie d'énergie (6). Les douilles (5) sont branchées en parallèle par l'intermédiaires d'un câble électrique (9) With reference to these drawings, the device comprises a transparent tube (1), the surface of which is painted (2) so as to leave a transparent strip over the entire length of the tube (3). Inside this tube (1), an assembly is slid consisting of a folded aluminum sheet (4) at the ends of which two sockets (5) are fixed by crimping or other fixing means, intended to receive two energy saving bulbs (6). The sockets (5) are connected in parallel via an electric cable (9)

<Desc/Clms Page number 2><Desc / Clms Page number 2>

passant sous la tôle d'aluminium (4) . Un câble d'alimentation (8) entre par une des extrémités du tube et alimente une des deux douilles (5) .  passing under the aluminum sheet (4). A power cable (8) enters through one end of the tube and feeds one of the two sockets (5).

Une fois l'ensemble tôle (4) - douilles (5) - ampoules (6) - câbles (8) (9) décrit ci-dessus assemblé et introduit à l'intérieur du tube, l'étanchéité du dispositif est assurée par injection de plastique ou autre matériau (7) permettant de boucher les extrémités du tube de manière définitive. Once the sheet metal assembly (4) - sockets (5) - bulbs (6) - cables (8) (9) described above assembled and introduced inside the tube, the device is sealed by injection of plastic or other material (7) making it possible to plug the ends of the tube definitively.

Le dispositif ainsi réalisé est donc parfaitement étanche et se destine aussi bien à une utilisation en intérieur qu'à une utilisation en extérieur. The device thus produced is therefore perfectly waterproof and is intended both for indoor use and for outdoor use.

En cas de panne ou d'anomalie de fonctionnement, le dispositif est non démontable donc non réparable, et doit être remplacé à l'identique. Cette contrainte est un choix qui se justifie par le faible coût de production du dispositif. In the event of a breakdown or anomaly, the device cannot be dismantled and therefore cannot be repaired, and must be replaced identically. This constraint is a choice which is justified by the low production cost of the device.

A titre d'exemple non limitatif, le tube aura des dimensions de l'ordre de six centimètres de diamètre et une longueur à définir selon les caractéristiques d'utilisation. Le dispositif selon l'invention est particulièrement destiné à l'éclairage de plaques signalétiques, de panneaux de signalisation, ou d'enseignes. By way of nonlimiting example, the tube will have dimensions of the order of six centimeters in diameter and a length to be defined according to the characteristics of use. The device according to the invention is particularly intended for the lighting of nameplates, traffic signs, or signs.

<Desc/Clms Page number 3><Desc / Clms Page number 3>

Claims (3)

REVENDICATIONS 1) Dispositif d'éclairage destiné à un usage en intérieur comme en extérieur , jetable en cas de dysfonctionnement, caractérisé en ce qu'il comporte un tube transparent (1) dont la surface est peinte (2) de manière à laisser une bande transparente (3) sur toute la longueur du tube (1), à l'intérieur duquel sont introduites deux ampoules à économie d'énergie (6) maintenues par deux douilles (5) fixées aux extrémités d'une tôle d'aluminium pliée (4) faisant office de réflecteur; les deux douilles étant câblées en parallèle (9) et alimentées par un câble d'alimentation (8) , et l'étanchéité de l'ensemble étant assurée par injection de plastique, résine, ou autre matériau (7) aux deux extrémités du tube.1) Lighting device intended for indoor and outdoor use, disposable in the event of malfunction, characterized in that it comprises a transparent tube (1) whose surface is painted (2) so as to leave a transparent strip (3) over the entire length of the tube (1), inside which are inserted two energy saving bulbs (6) held by two sockets (5) fixed to the ends of a folded aluminum sheet (4 ) acting as a reflector; the two sockets being wired in parallel (9) and supplied by a power cable (8), and the sealing of the assembly being ensured by injection of plastic, resin, or other material (7) at the two ends of the tube . 2) Dispositif selon la revendication 1 caractérisé en ce que le tube utilisé est translucide.2) Device according to claim 1 characterized in that the tube used is translucent. 3) Dispositif selon la revendication 1 ou la revendication 2 caractérisé en ce que la tôle d'aluminium faisant office de réflecteur est cintrée.3) Device according to claim 1 or claim 2 characterized in that the aluminum sheet acting as a reflector is bent.
FR0010826A 2000-08-21 2000-08-21 Signalling panels/sign lighting throw away unit having painted transparent tube with slot section and inner placed economy light bulbs with reflectors behind socket mounted and sealed. Withdrawn FR2813115A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0010826A FR2813115A1 (en) 2000-08-21 2000-08-21 Signalling panels/sign lighting throw away unit having painted transparent tube with slot section and inner placed economy light bulbs with reflectors behind socket mounted and sealed.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0010826A FR2813115A1 (en) 2000-08-21 2000-08-21 Signalling panels/sign lighting throw away unit having painted transparent tube with slot section and inner placed economy light bulbs with reflectors behind socket mounted and sealed.

Publications (1)

Publication Number Publication Date
FR2813115A1 true FR2813115A1 (en) 2002-02-22

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FR0010826A Withdrawn FR2813115A1 (en) 2000-08-21 2000-08-21 Signalling panels/sign lighting throw away unit having painted transparent tube with slot section and inner placed economy light bulbs with reflectors behind socket mounted and sealed.

Country Status (1)

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FR (1) FR2813115A1 (en)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1884707A2 (en) * 2006-07-28 2008-02-06 TARGETTI SANKEY S.p.A. Flush-mounted watertight lighting device
EP2337989A2 (en) * 2008-10-24 2011-06-29 Altair Engineering, Inc. End cap substitute for led-based tube replacement light
US8807785B2 (en) 2008-05-23 2014-08-19 Ilumisys, Inc. Electric shock resistant L.E.D. based light
US8840282B2 (en) 2010-03-26 2014-09-23 Ilumisys, Inc. LED bulb with internal heat dissipating structures
US8894430B2 (en) 2010-10-29 2014-11-25 Ilumisys, Inc. Mechanisms for reducing risk of shock during installation of light tube
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
US8928025B2 (en) 2007-12-20 2015-01-06 Ilumisys, Inc. LED lighting apparatus with swivel connection
US8946996B2 (en) 2008-10-24 2015-02-03 Ilumisys, Inc. Light and light sensor
US9013119B2 (en) 2010-03-26 2015-04-21 Ilumisys, Inc. LED light with thermoelectric generator
US9072171B2 (en) 2011-08-24 2015-06-30 Ilumisys, Inc. Circuit board mount for LED light
US9101026B2 (en) 2008-10-24 2015-08-04 Ilumisys, Inc. Integration of LED lighting with building controls
US9163794B2 (en) 2012-07-06 2015-10-20 Ilumisys, Inc. Power supply assembly for LED-based light tube
US9184518B2 (en) 2012-03-02 2015-11-10 Ilumisys, Inc. Electrical connector header for an LED-based light
US9271367B2 (en) 2012-07-09 2016-02-23 Ilumisys, Inc. System and method for controlling operation of an LED-based light
US9267650B2 (en) 2013-10-09 2016-02-23 Ilumisys, Inc. Lens for an LED-based light
US9285084B2 (en) 2013-03-14 2016-03-15 Ilumisys, Inc. Diffusers for LED-based lights
US9353939B2 (en) 2008-10-24 2016-05-31 iLumisys, Inc Lighting including integral communication apparatus
US9510400B2 (en) 2014-05-13 2016-11-29 Ilumisys, Inc. User input systems for an LED-based light
US9574717B2 (en) 2014-01-22 2017-02-21 Ilumisys, Inc. LED-based light with addressed LEDs
US10161568B2 (en) 2015-06-01 2018-12-25 Ilumisys, Inc. LED-based light with canted outer walls
US10176689B2 (en) 2008-10-24 2019-01-08 Ilumisys, Inc. Integration of led lighting control with emergency notification systems
WO2019069721A1 (en) * 2017-10-06 2019-04-11 東洋鋼鈑株式会社 Light fixture for plants and lighting apparatus for plants

Citations (5)

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US4841418A (en) * 1987-08-21 1989-06-20 Emerson Electric Co. Explosion-proof fixture and method
US4851972A (en) * 1987-05-11 1989-07-25 Light And Sound Specialties, Inc. Moisture resistant lighting tube
US5436815A (en) * 1994-04-20 1995-07-25 Grooms; Michael P. Fluorescent utility light
US5599090A (en) * 1994-04-20 1997-02-04 Herbert Waldmann Gmbh & Co. Lamp with protective tube

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
US2983813A (en) * 1959-01-28 1961-05-09 Pfaff & Kendall Sealed pendant lighting device
US4851972A (en) * 1987-05-11 1989-07-25 Light And Sound Specialties, Inc. Moisture resistant lighting tube
US4841418A (en) * 1987-08-21 1989-06-20 Emerson Electric Co. Explosion-proof fixture and method
US5436815A (en) * 1994-04-20 1995-07-25 Grooms; Michael P. Fluorescent utility light
US5599090A (en) * 1994-04-20 1997-02-04 Herbert Waldmann Gmbh & Co. Lamp with protective tube

Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1884707A3 (en) * 2006-07-28 2009-09-02 TARGETTI SANKEY S.p.A. Flush-mounted watertight lighting device
EP1884707A2 (en) * 2006-07-28 2008-02-06 TARGETTI SANKEY S.p.A. Flush-mounted watertight lighting device
US8928025B2 (en) 2007-12-20 2015-01-06 Ilumisys, Inc. LED lighting apparatus with swivel connection
US8807785B2 (en) 2008-05-23 2014-08-19 Ilumisys, Inc. Electric shock resistant L.E.D. based light
US10036549B2 (en) 2008-10-24 2018-07-31 Ilumisys, Inc. Lighting including integral communication apparatus
US10176689B2 (en) 2008-10-24 2019-01-08 Ilumisys, Inc. Integration of led lighting control with emergency notification systems
US10713915B2 (en) 2008-10-24 2020-07-14 Ilumisys, Inc. Integration of LED lighting control with emergency notification systems
US10571115B2 (en) 2008-10-24 2020-02-25 Ilumisys, Inc. Lighting including integral communication apparatus
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
EP2337989A4 (en) * 2008-10-24 2012-10-03 Ilumisys Inc End cap substitute for led-based tube replacement light
US8946996B2 (en) 2008-10-24 2015-02-03 Ilumisys, Inc. Light and light sensor
US10560992B2 (en) 2008-10-24 2020-02-11 Ilumisys, Inc. Light and light sensor
US10342086B2 (en) 2008-10-24 2019-07-02 Ilumisys, Inc. Integration of LED lighting with building controls
US9101026B2 (en) 2008-10-24 2015-08-04 Ilumisys, Inc. Integration of LED lighting with building controls
US10973094B2 (en) 2008-10-24 2021-04-06 Ilumisys, Inc. Integration of LED lighting with building controls
US11073275B2 (en) 2008-10-24 2021-07-27 Ilumisys, Inc. Lighting including integral communication apparatus
US10182480B2 (en) 2008-10-24 2019-01-15 Ilumisys, Inc. Light and light sensor
US8444292B2 (en) 2008-10-24 2013-05-21 Ilumisys, Inc. End cap substitute for LED-based tube replacement light
US11333308B2 (en) 2008-10-24 2022-05-17 Ilumisys, Inc. Light and light sensor
US9353939B2 (en) 2008-10-24 2016-05-31 iLumisys, Inc Lighting including integral communication apparatus
US9398661B2 (en) 2008-10-24 2016-07-19 Ilumisys, Inc. Light and light sensor
US10932339B2 (en) 2008-10-24 2021-02-23 Ilumisys, Inc. Light and light sensor
EP2337989A2 (en) * 2008-10-24 2011-06-29 Altair Engineering, Inc. End cap substitute for led-based tube replacement light
US9635727B2 (en) 2008-10-24 2017-04-25 Ilumisys, Inc. Light and light sensor
US9585216B2 (en) 2008-10-24 2017-02-28 Ilumisys, Inc. Integration of LED lighting with building controls
US8840282B2 (en) 2010-03-26 2014-09-23 Ilumisys, Inc. LED bulb with internal heat dissipating structures
US9395075B2 (en) 2010-03-26 2016-07-19 Ilumisys, Inc. LED bulb for incandescent bulb replacement with internal heat dissipating structures
US9013119B2 (en) 2010-03-26 2015-04-21 Ilumisys, Inc. LED light with thermoelectric generator
US8894430B2 (en) 2010-10-29 2014-11-25 Ilumisys, Inc. Mechanisms for reducing risk of shock during installation of light tube
US9072171B2 (en) 2011-08-24 2015-06-30 Ilumisys, Inc. Circuit board mount for LED light
US9184518B2 (en) 2012-03-02 2015-11-10 Ilumisys, Inc. Electrical connector header for an LED-based light
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
US10966295B2 (en) 2012-07-09 2021-03-30 Ilumisys, Inc. System and method for controlling operation of an LED-based light
US9807842B2 (en) 2012-07-09 2017-10-31 Ilumisys, Inc. System and method for controlling operation of an LED-based light
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
US10260686B2 (en) 2014-01-22 2019-04-16 Ilumisys, Inc. LED-based light with addressed LEDs
US9510400B2 (en) 2014-05-13 2016-11-29 Ilumisys, Inc. User input systems for an LED-based light
US10690296B2 (en) 2015-06-01 2020-06-23 Ilumisys, Inc. LED-based light with canted outer walls
US11028972B2 (en) 2015-06-01 2021-06-08 Ilumisys, Inc. LED-based light with canted outer walls
US10161568B2 (en) 2015-06-01 2018-12-25 Ilumisys, Inc. LED-based light with canted outer walls
US11428370B2 (en) 2015-06-01 2022-08-30 Ilumisys, Inc. LED-based light with canted outer walls
JP2019068759A (en) * 2017-10-06 2019-05-09 東洋鋼鈑株式会社 Light fixture for plants and lighting apparatus for plants
WO2019069721A1 (en) * 2017-10-06 2019-04-11 東洋鋼鈑株式会社 Light fixture for plants and lighting apparatus for plants

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