WO2009062015A3 - Led light output linearization - Google Patents

Led light output linearization Download PDF

Info

Publication number
WO2009062015A3
WO2009062015A3 PCT/US2008/082768 US2008082768W WO2009062015A3 WO 2009062015 A3 WO2009062015 A3 WO 2009062015A3 US 2008082768 W US2008082768 W US 2008082768W WO 2009062015 A3 WO2009062015 A3 WO 2009062015A3
Authority
WO
WIPO (PCT)
Prior art keywords
controller
led
array
timer
led array
Prior art date
Application number
PCT/US2008/082768
Other languages
French (fr)
Other versions
WO2009062015A2 (en
Inventor
Guy A. Primiano
Original Assignee
The Coca-Cola Company
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 The Coca-Cola Company filed Critical The Coca-Cola Company
Priority to CN2008801151444A priority Critical patent/CN101855940B/en
Priority to EP08848533A priority patent/EP2213142A2/en
Priority to MX2010005011A priority patent/MX2010005011A/en
Priority to BRPI0819103-4A priority patent/BRPI0819103B1/en
Priority to JP2010533271A priority patent/JP5823693B2/en
Priority to AU2008323867A priority patent/AU2008323867B2/en
Publication of WO2009062015A2 publication Critical patent/WO2009062015A2/en
Publication of WO2009062015A3 publication Critical patent/WO2009062015A3/en
Priority to HK11103390.7A priority patent/HK1155314A1/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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • 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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/18—Controlling the intensity of the light using temperature feedback
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G09G2320/048—Preventing or counteracting the effects of ageing using evaluation of the usage time

Abstract

A system and method for producing a flattened characteristic for LED luminous output. The system may include an array containing one or more light emitted diodes (130), a power source (120) connected to the LED (130) array providing drive current to the LED array (130), a timer (150) connected to a controller (140) wherein the timer (150) logs the on-time of the LED array and communicates the LED array (130) on-time to the controller (140), and the controller (140) connected to the power source (120) wherein the controller (140) adjusts the intensity of the drive current provided to the LED array (130) based on the on-time data received from the timer (150) such that the resultant relative luminous output is approximately equal to the initial relative luminous output.
PCT/US2008/082768 2007-11-09 2008-11-07 Led light output linearization WO2009062015A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN2008801151444A CN101855940B (en) 2007-11-09 2008-11-07 LED light output linearization
EP08848533A EP2213142A2 (en) 2007-11-09 2008-11-07 Led light output linearization
MX2010005011A MX2010005011A (en) 2007-11-09 2008-11-07 Led light output linearization.
BRPI0819103-4A BRPI0819103B1 (en) 2007-11-09 2008-11-07 SYSTEM AND METHOD FOR FEEDING A LED ARRANGEMENT
JP2010533271A JP5823693B2 (en) 2007-11-09 2008-11-07 Linearization of LED light output
AU2008323867A AU2008323867B2 (en) 2007-11-09 2008-11-07 Led light output linearization
HK11103390.7A HK1155314A1 (en) 2007-11-09 2011-04-04 Led light output linearization led

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/937,551 US7586274B2 (en) 2007-11-09 2007-11-09 LED light output linearization
US11/937,551 2007-11-09

Publications (2)

Publication Number Publication Date
WO2009062015A2 WO2009062015A2 (en) 2009-05-14
WO2009062015A3 true WO2009062015A3 (en) 2010-02-25

Family

ID=40239724

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/082768 WO2009062015A2 (en) 2007-11-09 2008-11-07 Led light output linearization

Country Status (9)

Country Link
US (2) US7586274B2 (en)
EP (1) EP2213142A2 (en)
JP (1) JP5823693B2 (en)
CN (1) CN101855940B (en)
AU (1) AU2008323867B2 (en)
BR (1) BRPI0819103B1 (en)
HK (1) HK1155314A1 (en)
MX (1) MX2010005011A (en)
WO (1) WO2009062015A2 (en)

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US20100109545A1 (en) * 2008-11-04 2010-05-06 Liebert Corporation Automatic Compensation For Degradation Of Optocoupler Light Emitting Diode
US8983304B2 (en) * 2012-10-25 2015-03-17 Avago Technologies General Ip (Singapore) Pte. Ltd. Opto-isolator with compensation circuit
US9797650B2 (en) 2014-01-10 2017-10-24 Illinois Tool Works Inc. Thermally insulated door assembly and method
CN105991189B (en) * 2015-02-13 2018-11-30 上海无线通信研究中心 A kind of visible data transmission method and system based on micro- LED array
KR102286955B1 (en) * 2019-09-23 2021-08-06 김태화 Hybrid-Dimming Control apparatus for Machine Vision LED Light
KR102603404B1 (en) * 2021-04-20 2023-11-16 전범식 Optimization method of output value of smps(switched mode power supply) for uv-led module and equipment and ai control system including the same

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GB2183873A (en) * 1985-12-04 1987-06-10 Matsushita Graphic Communic Compensation of led-array output power variation in electro-photographic printing
JPH01239969A (en) * 1988-03-22 1989-09-25 Seiko Epson Corp Semiconductor device
US6133844A (en) * 1998-12-21 2000-10-17 Lexmark International, Inc. System and method for programming an operator panel LED for printer
WO2002019777A1 (en) * 2000-08-30 2002-03-07 Power Signal Technologies, Inc. Constant output solid state light source with electronically filtered optical feedback
WO2003009647A1 (en) * 2001-07-18 2003-01-30 Power Signal Technologies, Inc. Solid state traffic light with predictive failure analysis
US20040105264A1 (en) * 2002-07-12 2004-06-03 Yechezkal Spero Multiple Light-Source Illuminating System
US20040135522A1 (en) * 2003-01-15 2004-07-15 Luminator Holding, L.P. Led lighting system
US20040256625A1 (en) * 2003-06-17 2004-12-23 Catalyst Semiconductor, Inc. Led driver with integrated bias and dimming control storage
US20060192125A1 (en) * 2005-02-28 2006-08-31 Yoganandan Sundar N Light source utilizing an infrared sensor to maintain brightness and color of an LED device
WO2007022409A2 (en) * 2005-08-18 2007-02-22 Honeywell International Inc. Aerospace light-emitting diode (led) - based lights life and operation monitor compensator

Also Published As

Publication number Publication date
JP2011503881A (en) 2011-01-27
US20090289576A1 (en) 2009-11-26
JP5823693B2 (en) 2015-11-25
WO2009062015A2 (en) 2009-05-14
AU2008323867B2 (en) 2014-01-30
AU2008323867A1 (en) 2009-05-14
EP2213142A2 (en) 2010-08-04
MX2010005011A (en) 2010-05-20
CN101855940B (en) 2013-03-13
US8013541B2 (en) 2011-09-06
HK1155314A1 (en) 2012-05-11
BRPI0819103B1 (en) 2019-06-18
US20090121654A1 (en) 2009-05-14
CN101855940A (en) 2010-10-06
US7586274B2 (en) 2009-09-08

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