DE112009003762A5 - LED ARRANGEMENT WITH LIGHT SENSOR - Google Patents

LED ARRANGEMENT WITH LIGHT SENSOR Download PDF

Info

Publication number
DE112009003762A5
DE112009003762A5 DE112009003762T DE112009003762T DE112009003762A5 DE 112009003762 A5 DE112009003762 A5 DE 112009003762A5 DE 112009003762 T DE112009003762 T DE 112009003762T DE 112009003762 T DE112009003762 T DE 112009003762T DE 112009003762 A5 DE112009003762 A5 DE 112009003762A5
Authority
DE
Germany
Prior art keywords
light sensor
led arrangement
led
arrangement
sensor
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Withdrawn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
DE112009003762T
Other languages
German (de)
Inventor
Michael Zimmermann
Eduardo Pereira
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.)
Tridonic AG
Original Assignee
Tridonic AG
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 Tridonic AG filed Critical Tridonic AG
Publication of DE112009003762A5 publication Critical patent/DE112009003762A5/en
Withdrawn legal-status Critical Current

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]
    • H05B45/30—Driver circuits
    • 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]
    • H05B45/40—Details of LED load circuits
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
DE112009003762T 2008-12-22 2009-12-21 LED ARRANGEMENT WITH LIGHT SENSOR Withdrawn DE112009003762A5 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008064397.1 2008-12-22
DE102008064397A DE102008064397A1 (en) 2008-12-22 2008-12-22 LED arrangement with light sensor
PCT/EP2009/067676 WO2010072731A1 (en) 2008-12-22 2009-12-21 Led array comprising a light sensor

Publications (1)

Publication Number Publication Date
DE112009003762A5 true DE112009003762A5 (en) 2012-10-11

Family

ID=41800593

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102008064397A Withdrawn DE102008064397A1 (en) 2008-12-22 2008-12-22 LED arrangement with light sensor
DE112009003762T Withdrawn DE112009003762A5 (en) 2008-12-22 2009-12-21 LED ARRANGEMENT WITH LIGHT SENSOR

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102008064397A Withdrawn DE102008064397A1 (en) 2008-12-22 2008-12-22 LED arrangement with light sensor

Country Status (3)

Country Link
EP (1) EP2361489B1 (en)
DE (2) DE102008064397A1 (en)
WO (1) WO2010072731A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2579682B1 (en) 2011-10-07 2015-09-09 Goodrich Lighting Systems GmbH Method for controlling an aircraft light
US9360174B2 (en) 2013-12-05 2016-06-07 Ketra, Inc. Linear LED illumination device with improved color mixing
EP3077721B1 (en) * 2013-12-05 2021-01-20 Lutron Ketra, LLC Linear led illumination device with improved color mixing
DE102020104776A1 (en) * 2020-02-24 2021-08-26 Tridonic Gmbh & Co Kg Ambient light detection by means of a polarization filter arranged inside a luminaire

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471052A (en) * 1993-10-25 1995-11-28 Eaton Corporation Color sensor system using a secondary light receiver
US5783909A (en) * 1997-01-10 1998-07-21 Relume Corporation Maintaining LED luminous intensity
US6611000B2 (en) * 2001-03-14 2003-08-26 Matsushita Electric Industrial Co., Ltd. Lighting device
US6741351B2 (en) 2001-06-07 2004-05-25 Koninklijke Philips Electronics N.V. LED luminaire with light sensor configurations for optical feedback
US7473879B2 (en) * 2003-12-19 2009-01-06 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. LED illumination system having an intensity monitoring system
JP3872810B1 (en) * 2005-08-12 2007-01-24 シャープ株式会社 Light source control device, illumination device, and liquid crystal display device
JP4720904B2 (en) * 2006-02-23 2011-07-13 パナソニック電工株式会社 LED lighting fixtures
US7569807B2 (en) * 2006-08-22 2009-08-04 Koninklijke Philips Electronics N.V. Light source with photosensor light guide
WO2008023306A1 (en) * 2006-08-25 2008-02-28 Philips Intellectual Property & Standards Gmbh Optical lighting device

Also Published As

Publication number Publication date
WO2010072731A1 (en) 2010-07-01
EP2361489B1 (en) 2018-08-29
DE102008064397A1 (en) 2010-06-24
EP2361489A1 (en) 2011-08-31

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Legal Events

Date Code Title Description
R005 Application deemed withdrawn due to failure to request examination