WO2006129260A3 - System and method for controlling a led luminary - Google Patents

System and method for controlling a led luminary Download PDF

Info

Publication number
WO2006129260A3
WO2006129260A3 PCT/IB2006/051691 IB2006051691W WO2006129260A3 WO 2006129260 A3 WO2006129260 A3 WO 2006129260A3 IB 2006051691 W IB2006051691 W IB 2006051691W WO 2006129260 A3 WO2006129260 A3 WO 2006129260A3
Authority
WO
WIPO (PCT)
Prior art keywords
led
control system
light sources
optical sensor
controlling
Prior art date
Application number
PCT/IB2006/051691
Other languages
French (fr)
Other versions
WO2006129260A2 (en
Inventor
Peter H F Deurenberg
Original Assignee
Koninkl Philips Electronics Nv
Peter H F Deurenberg
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 Koninkl Philips Electronics Nv, Peter H F Deurenberg filed Critical Koninkl Philips Electronics Nv
Priority to JP2008514274A priority Critical patent/JP2008543012A/en
Priority to EP06765712A priority patent/EP1929842A2/en
Priority to US11/916,099 priority patent/US7619193B2/en
Publication of WO2006129260A2 publication Critical patent/WO2006129260A2/en
Publication of WO2006129260A3 publication Critical patent/WO2006129260A3/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/22—Controlling the colour of the light using optical feedback
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/28—Controlling the colour of the light using temperature feedback
    • 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]

Abstract

The present invention relates to a control system (10; 30; 50) for a LED luminary (12) including a plurality of LED light sources of multiple colors for producing a mixed color light. The control system comprises means (22) for controlling the LED light sources in accordance with a difference between set point values representing a desired light output and first control data provided by at least one optical sensor (14; 32) responsive to a property of the light produced by the LED light sources. The control system is characterized by means (26; 38) for compensating said set point values in accordance with second control data provided by a temperature sensor (24) responsive to the temperature of the optical sensor(s) (14; 32). The additional temperature sensor makes it possible to compensate for changes in the spectral sensitivity of the optical sensor(s), whereby the color stability of the LED luminary with integrated optical sensors can be increased. The invention also relates to a corresponding control method.
PCT/IB2006/051691 2005-06-03 2006-05-29 System and method for controlling a led luminary WO2006129260A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008514274A JP2008543012A (en) 2005-06-03 2006-05-29 System and method for controlling LED lighting
EP06765712A EP1929842A2 (en) 2005-06-03 2006-05-29 System and method for controlling a led luminary
US11/916,099 US7619193B2 (en) 2005-06-03 2006-05-29 System and method for controlling a LED luminary

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05104860 2005-06-03
EP05104860.1 2005-06-03

Publications (2)

Publication Number Publication Date
WO2006129260A2 WO2006129260A2 (en) 2006-12-07
WO2006129260A3 true WO2006129260A3 (en) 2007-04-12

Family

ID=37216085

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/051691 WO2006129260A2 (en) 2005-06-03 2006-05-29 System and method for controlling a led luminary

Country Status (8)

Country Link
US (1) US7619193B2 (en)
EP (1) EP1929842A2 (en)
JP (1) JP2008543012A (en)
KR (1) KR20080031722A (en)
CN (1) CN100586241C (en)
RU (1) RU2434368C2 (en)
TW (1) TW200702768A (en)
WO (1) WO2006129260A2 (en)

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US9804024B2 (en) 2013-03-14 2017-10-31 Mojo Labs, Inc. Light measurement and/or control translation for daylighting
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US9155155B1 (en) 2013-08-20 2015-10-06 Ketra, Inc. Overlapping measurement sequences for interference-resistant compensation in light emitting diode devices
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Also Published As

Publication number Publication date
CN101189918A (en) 2008-05-28
RU2007144596A (en) 2009-06-10
JP2008543012A (en) 2008-11-27
CN100586241C (en) 2010-01-27
WO2006129260A2 (en) 2006-12-07
KR20080031722A (en) 2008-04-10
EP1929842A2 (en) 2008-06-11
US20080203273A1 (en) 2008-08-28
RU2434368C2 (en) 2011-11-20
US7619193B2 (en) 2009-11-17
TW200702768A (en) 2007-01-16

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