WO2005103555A1 - Remplacement d'ampoule fluorescente au moyen d'un systeme de diode electroluminescente - Google Patents

Remplacement d'ampoule fluorescente au moyen d'un systeme de diode electroluminescente Download PDF

Info

Publication number
WO2005103555A1
WO2005103555A1 PCT/US2005/012782 US2005012782W WO2005103555A1 WO 2005103555 A1 WO2005103555 A1 WO 2005103555A1 US 2005012782 W US2005012782 W US 2005012782W WO 2005103555 A1 WO2005103555 A1 WO 2005103555A1
Authority
WO
WIPO (PCT)
Prior art keywords
light source
fluorescent
led
connections
contact pins
Prior art date
Application number
PCT/US2005/012782
Other languages
English (en)
Inventor
Mathew Sommers
Original Assignee
Gelcore Llc
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 Gelcore Llc filed Critical Gelcore Llc
Publication of WO2005103555A1 publication Critical patent/WO2005103555A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • 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
    • 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
    • F21K9/232—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 an essentially omnidirectional light distribution, e.g. with a glass bulb
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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
    • F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
    • 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
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/10—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings
    • F21V3/12—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings the coatings comprising photoluminescent substances
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/90—Light sources with three-dimensionally disposed light-generating elements on two opposite sides of supports or substrates
    • 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 application relates to the lighting arts. It is especially applicable to the retro-fitting of fluorescent light systems with a more durable light emitting diode (LED)-based light source, and will be described with particular reference thereto.
  • LED light emitting diode
  • the invention will also find application in numerous original equipment applications including lamps, flashlights, and other illuminators which presently employ fluorescent light bulbs that have high failure rates principally due to the fluorescent tube damage or malfunction.
  • the invention provides LED-based light sources which are safe and have improved versatility and excellent compatibility with existing lighting standards.
  • fluorescent light bulb packages have a light source that includes a fluorescent tube within a glass enclosure. Fluorescent lights suffer from some disadvantages. The bulb occasionally fails, usually due to the fluorescent tube failure. Bulb replacement is inconvenient and cumbersome.
  • LEDs present an attractive and reliable alternative as potential light source in a fluorescent light bulb package.
  • LED light's life is typically up to 100,000 hours, e.g. eleven years. This greatly exceeds the life of a typical fluorescent light bulb.
  • LEDs are about twice as efficient as fluorescent lamps.
  • LEDs are solid state devices with no moving parts which are not easily damaged by shock or vibration.
  • LEDs characteristics do not change significantly over time.
  • retro-fitting the fluorescent lighting systems with an LED- based light bulb is complicated because of different electrical and optical characteristics of the LED versus the fluorescent light source.
  • Existing fluorescent based hardware and power supplies need to be removed if an LED based lighting design were to be employed.
  • the presently employed retro-fit methods require extensive re-wiring of the electrical connections, negating the convenience, simplicity, and speed of conventional light bulb replacement.
  • the present application contemplates a new method and apparatus that reduces the above-mentioned problems and others.
  • a method for retro-fitting a fluorescent light with an LED light source includes a fluorescent bulb and a ballast.
  • the LED light source includes at least one LED disposed on a platform.
  • the fluorescent light bulb is removed from the ballast.
  • the LED light source is connected into the ballast by inserting contact pins disposed about the LED light source into connections provided in the ballast.
  • an LED light source for retrofitting into a fluorescent lamp fixture employing a fluorescent light bulb and a fluorescent lamp ballast is disclosed.
  • the LED light source comprises at least one LED and a platform on which the at least one LED is disposed.
  • Contact pins which are disposed about the LED light source, provide electrical power to the at least one LED when inserted into connections of the fluorescent lamp ballast.
  • FIGURE 1 shows a traditional fluorescent light
  • FIGURES 2 and 3 show an LED light for retro-fitting into a fluorescent light package in accordance with the present application
  • FIGURE 4 shows a method of retro-fitting a fluorescent light with an
  • a traditional fluorescent lamp 10 includes a base 12 and a fluorescent bulb 14.
  • a glass envelope 16 is typically covered with phosphor and encompasses the fluorescent light elements such as lamp's electrode (not shown).
  • Contact pins 18 are disposed on the base 12 in operative connection with the electrode.
  • a ballast 20 includes all necessary hardware such as power electronics and power supply 22 to power up the fluorescent bulb 14.
  • Bi-pin connections or grooves 24 are disposed on a first side of the ballast 20, proximate to the base 12, to cooperate with the contact pins 18 to supply the electric power to the fluorescent bulb 14.
  • the connections 24 are disposed on the opposite sides of the first side of the ballast 20 extending in a longitudinal direction and away from the base 12.
  • the connections 24 are connected with the power supply which supplies power to the fluorescent bulb 14 when the connections 24 are in contact with the pins 18.
  • an LED light source 26 replaces the fluorescent bulb 14.
  • the ballast 20 and the associated fluorescent lamp hardware are physically and, preferably, functionally retained.
  • the LED light 26 includes an LED assembly 28 and an envelope or cover 30. LEDs 32 of the LED assembly 28 are disposed on a mounting or first surface 34 of a heat conductive platform 36.
  • the heat conductive platform 36 improves the air flow around the LED assembly 28 to increase the lifetime of the LED light 26.
  • the heat conductive platform 36 includes a heatsink 38 which is disposed in thermal communication with the LEDs 32.
  • the platform 36 preferably includes a printed circuit board or an interconnect board or interconnect boards which embodiment includes circuitry for powering the LEDs 32.
  • the mounting surface 34 of the platform 36 is preferably manufactured from a highly reflective material. In one embodiment, the mounting surface 34 is coated with a reflective material leaving the openings for the emitters.
  • Electrical connectors or pins 40 are disposed about the light source 26 to plug directly into the fluorescent bi-pin connections 24.
  • the electrical connectors 40 extend in a longitudinal direction parallel to one another and away from the light source 26.
  • the electrical connectors 40 can be shaped to be easily inserted into the connections 24. For example, the electrical connectors 40 can be rounded, V-shaped, or any other appropriate shape to cooperate with the connections 24 for easier insertion.
  • the LEDs 32 operate at a low DC voltage and draw few milliamperes of electric current.
  • the LED light source 26 includes electric power conditioning electronics and/or power supply 42 to convert standard fluorescent ballast voltage to the appropriate LED voltage.
  • power can be delivered to the LED light source 26 by means of other power supply systems.
  • the electrical connectors 40 can be attached to flexible circuits, e.g. copper traces on a flexible material.
  • the flexible circuits can be connected to one another by wires, electrical jumpers, or the like.
  • the LEDs 32 are attached to the platform 36 in arrays or strips. In one embodiment, in which the packaged LEDs are used, the LEDs 32 are soldered, adhered by use of a conductive adhesive, or otherwise conductively fastened to the platform 36.
  • the LEDs 32 are directly attached to the platform 36 by use of a thermally conductive adhesive.
  • the envelope 30 is a light transmissive cover and is disposed over the LED assembly 28.
  • a phosphor 44 is disposed on an inside surface 46 of the envelope 30. If provided, the phosphor is selected to produce a desired wavelength conversion of a portion or substantially all of the light produced by the light emitting diodes 32.
  • the phosphor can include a single phosphor compound or blends of two or more chemically distinct individual compounds chosen to produce a selected wavelength conversion.
  • the LEDs 32 are blue, violet, or ultra-violet emitters such as Group Ill-nitride LEDs, and the phosphor converts most or substantially all of the light generated by the LEDs 32 into white light.
  • the LEDs 32 are blue LEDs such as Group Ill-nitride LEDs, and the phosphor is a yellow phosphor that converts some of the blue light into yellow light. Green, blue light and yellow phosphor generated light combine to produce white light. These are examples only and substantially any conversion of light produced by the LEDs 32 can be performed by suitable selection of the LEDs outputting light at the selected wavelengths and suitable selection of the phosphor.
  • the LEDs 32 are disposed on generally planar mounting surface 34 of the heat conductive platform 36.
  • the platform 36 is generally cylindrical.
  • the mounting surface 34 is generally parallel to a second surface 48 which is disposed opposing the mounting surface 34.
  • the mounting and second surfaces 34, 48 define the platform perimeter.
  • the electrical connectors 40 are preferably disposed about the perimeter of the platform 36, on the second surface 48, opposing one another and extend in a longitudinal direction parallel to one another and away from the platform 36 to plug directly into the fluorescent bi-pin connections 24.
  • the envelope 30 has an open end 50 defining an envelope perimeter that connects with the platform 36.
  • the platform 36 includes an annular groove (not shown) that receives the perimeter of the envelope 30 which, in this embodiment, is a hemispherical cover. Of course, other shapes of the cover are also contemplated. In some embodiments, the annular groove is omitted, in which case, the placement of the cover 30 on the platform 36 is positioned by other means, such as by using an automated assembly jig. With reference again to FIGURE 3, the envelope 30 is a tubular shaped cover.
  • the ballast 20 includes first and second ballast portions 20- ⁇ , 20 2 .
  • the first and second ballast portions 20 ⁇ , 20 2 each includes respective first and second pairs 24 ⁇ , 24 2 of bi-pin connections.
  • the platform 36 is disposed longitudinally about a central axis 52 of the tubular envelope 30.
  • the platform 36 is a flat platform with the LEDs 32 positioned on the first and second opposing surfaces 34, 48.
  • the platform 36 is a circular platform with the LEDs 32 positioned around the circular surface.
  • the envelope 30 is terminated with first and second side surfaces 54, 56, which are disposed opposing each other and define the envelope perimeter.
  • the pins 40 include first and second pairs 40 ⁇ , 40 2 of pins. The first and second pairs 40 ⁇ , 40 2 of pins are positioned about the envelope perimeter, on respective first and second side surfaces 54, 56 of the envelope 30 to plug directly into respective first and second pairs 24 ⁇ , 24 2 of connections.
  • FIGURE 4 a suitable method 60 for retro-fitting the fluorescent light 10 with the LED light source 26 is shown.
  • the fluorescent bulb 14 is removed from the ballast 20.
  • the LED light source 26 is inserted into the bi-pin connections 24 of the ballast 20.
  • the method 60 preferably does not involve removal or replacement of the fluorescent light power supply 22 or any other existing hardware component of the fluorescent lamp ballast 20 except the light bulb 14. In the event of a future failure of the LED-based lamp, it can be replaced by another LED-based lamp.
  • the lamp can be re-fitted with a fluorescent light bulb, by simply removing the LED light source 26 and re-installing a fluorescent light bulb into the ballast 20.

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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne une source de lumière à diode électroluminescente (26) à mettre à niveau dans une lampe fluorescente (10) utilisant une ampoule fluorescente (14). Ladite source comprend au moins une DEL (32) et des broches de contact électriques (40) conçues pour s'accoupler aux connexions (24) d'un ballast fluorescent (20). Lesdites broches (40) sont directement branchées dans les connexions à deux broches (24).
PCT/US2005/012782 2004-04-15 2005-04-15 Remplacement d'ampoule fluorescente au moyen d'un systeme de diode electroluminescente WO2005103555A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56261204P 2004-04-15 2004-04-15
US60/562,612 2004-04-15

Publications (1)

Publication Number Publication Date
WO2005103555A1 true WO2005103555A1 (fr) 2005-11-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/012782 WO2005103555A1 (fr) 2004-04-15 2005-04-15 Remplacement d'ampoule fluorescente au moyen d'un systeme de diode electroluminescente

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Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007015440B3 (de) * 2007-03-30 2008-02-21 Horst Groos Leuchtmittelträger zum Einsetzen in Stiftaufnahmen für Leuchtstoffröhre einer Niederdruckgasentladungslampe
EP2077418A1 (fr) * 2008-01-04 2009-07-08 Valenz Company Limited Base d'éclairage de plafond
WO2010090832A3 (fr) * 2009-01-21 2010-11-04 Altair Engineering, Inc. Circuit de détection de ballast/ligne pour lampes fluorescentes de remplacement
GB2483676A (en) * 2010-09-16 2012-03-21 Alan Wyn-Davies Lighting device
EP2446190A2 (fr) * 2009-06-23 2012-05-02 Altair Engineering, Inc. Lampe à del à couche de conversion de longueur d'onde
US8432088B2 (en) 2011-01-03 2013-04-30 Crs Electronics Permanent conversion adapter for lighting fixtures
EP2293355A3 (fr) * 2008-06-25 2013-12-18 Osram-Sylvania Inc. Lampe DEL bleue tubulaire avec phosphore séparé
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
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
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
US9739444B2 (en) 2007-03-05 2017-08-22 Intematix Corporation Light emitting diode (LED) based lighting systems
US9841175B2 (en) 2012-05-04 2017-12-12 GE Lighting Solutions, LLC Optics system for solid state lighting apparatus
US9951938B2 (en) 2009-10-02 2018-04-24 GE Lighting Solutions, LLC LED lamp
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
US10340424B2 (en) 2002-08-30 2019-07-02 GE Lighting Solutions, LLC Light emitting diode component
US10408389B2 (en) 2017-04-07 2019-09-10 Elmer A Wessel Modular power manifold for tube lights

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Cited By (53)

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Publication number Priority date Publication date Assignee Title
US10340424B2 (en) 2002-08-30 2019-07-02 GE Lighting Solutions, LLC Light emitting diode component
EP2132483B1 (fr) * 2007-03-05 2017-12-06 Intematix Corporation Systèmes d'éclairage à base de diode d'émission de lumière (del)
US9739444B2 (en) 2007-03-05 2017-08-22 Intematix Corporation Light emitting diode (LED) based lighting systems
DE102007015440B3 (de) * 2007-03-30 2008-02-21 Horst Groos Leuchtmittelträger zum Einsetzen in Stiftaufnahmen für Leuchtstoffröhre einer Niederdruckgasentladungslampe
US8928025B2 (en) 2007-12-20 2015-01-06 Ilumisys, Inc. LED lighting apparatus with swivel connection
EP2077418A1 (fr) * 2008-01-04 2009-07-08 Valenz Company Limited Base d'éclairage de plafond
US8807785B2 (en) 2008-05-23 2014-08-19 Ilumisys, Inc. Electric shock resistant L.E.D. based light
EP2293355A3 (fr) * 2008-06-25 2013-12-18 Osram-Sylvania Inc. Lampe DEL bleue tubulaire avec phosphore séparé
US9635727B2 (en) 2008-10-24 2017-04-25 Ilumisys, Inc. Light and light sensor
US10973094B2 (en) 2008-10-24 2021-04-06 Ilumisys, Inc. Integration of LED lighting with building controls
US10176689B2 (en) 2008-10-24 2019-01-08 Ilumisys, Inc. Integration of led lighting control with emergency notification systems
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
US10560992B2 (en) 2008-10-24 2020-02-11 Ilumisys, Inc. Light and light sensor
US8946996B2 (en) 2008-10-24 2015-02-03 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
US11333308B2 (en) 2008-10-24 2022-05-17 Ilumisys, Inc. Light and light sensor
US10036549B2 (en) 2008-10-24 2018-07-31 Ilumisys, Inc. Lighting including integral communication apparatus
US11073275B2 (en) 2008-10-24 2021-07-27 Ilumisys, Inc. Lighting including integral communication apparatus
US9585216B2 (en) 2008-10-24 2017-02-28 Ilumisys, Inc. Integration of LED lighting with building controls
US10932339B2 (en) 2008-10-24 2021-02-23 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
US10182480B2 (en) 2008-10-24 2019-01-15 Ilumisys, Inc. Light and light sensor
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
US8664880B2 (en) 2009-01-21 2014-03-04 Ilumisys, Inc. Ballast/line detection circuit for fluorescent replacement lamps
WO2010090832A3 (fr) * 2009-01-21 2010-11-04 Altair Engineering, Inc. Circuit de détection de ballast/ligne pour lampes fluorescentes de remplacement
EP2446190A4 (fr) * 2009-06-23 2013-02-20 Ilumisys Inc Lampe à del à couche de conversion de longueur d'onde
EP2446190A2 (fr) * 2009-06-23 2012-05-02 Altair Engineering, Inc. Lampe à del à couche de conversion de longueur d'onde
US9951938B2 (en) 2009-10-02 2018-04-24 GE Lighting Solutions, LLC LED lamp
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
US8840282B2 (en) 2010-03-26 2014-09-23 Ilumisys, Inc. LED bulb with internal heat dissipating structures
GB2483676A (en) * 2010-09-16 2012-03-21 Alan Wyn-Davies Lighting device
US8432088B2 (en) 2011-01-03 2013-04-30 Crs Electronics Permanent conversion adapter for lighting fixtures
US9184518B2 (en) 2012-03-02 2015-11-10 Ilumisys, Inc. Electrical connector header for an LED-based light
US9841175B2 (en) 2012-05-04 2017-12-12 GE Lighting Solutions, LLC Optics system for solid state lighting apparatus
US10139095B2 (en) 2012-05-04 2018-11-27 GE Lighting Solutions, LLC Reflector and lamp comprised thereof
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
US9807842B2 (en) 2012-07-09 2017-10-31 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
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
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