EP2273851A3 - Système et procédé pour le contrôle de grappe de DEL - Google Patents

Système et procédé pour le contrôle de grappe de DEL Download PDF

Info

Publication number
EP2273851A3
EP2273851A3 EP09163687A EP09163687A EP2273851A3 EP 2273851 A3 EP2273851 A3 EP 2273851A3 EP 09163687 A EP09163687 A EP 09163687A EP 09163687 A EP09163687 A EP 09163687A EP 2273851 A3 EP2273851 A3 EP 2273851A3
Authority
EP
European Patent Office
Prior art keywords
cluster
control
leds
led cluster
different
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Withdrawn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
EP09163687A
Other languages
German (de)
English (en)
Other versions
EP2273851A2 (fr
Inventor
Viet Nguyen
Pascal Bancken
Radu Surdeanu
Matheus Lammers
Peter Deurenberg
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.)
NXP BV
Original Assignee
NXP BV
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 NXP BV filed Critical NXP BV
Priority to EP09163687A priority Critical patent/EP2273851A3/fr
Priority to PCT/IB2010/052542 priority patent/WO2010150119A2/fr
Publication of EP2273851A2 publication Critical patent/EP2273851A2/fr
Publication of EP2273851A3 publication Critical patent/EP2273851A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2003—Display of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
    • 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
    • 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
    • H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
    • 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
    • G09G2320/041—Temperature compensation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP09163687A 2009-06-24 2009-06-24 Système et procédé pour le contrôle de grappe de DEL Withdrawn EP2273851A3 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09163687A EP2273851A3 (fr) 2009-06-24 2009-06-24 Système et procédé pour le contrôle de grappe de DEL
PCT/IB2010/052542 WO2010150119A2 (fr) 2009-06-24 2010-06-08 Système et procédé pour commander un groupe de led

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09163687A EP2273851A3 (fr) 2009-06-24 2009-06-24 Système et procédé pour le contrôle de grappe de DEL

Publications (2)

Publication Number Publication Date
EP2273851A2 EP2273851A2 (fr) 2011-01-12
EP2273851A3 true EP2273851A3 (fr) 2011-05-11

Family

ID=41347677

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09163687A Withdrawn EP2273851A3 (fr) 2009-06-24 2009-06-24 Système et procédé pour le contrôle de grappe de DEL

Country Status (2)

Country Link
EP (1) EP2273851A3 (fr)
WO (1) WO2010150119A2 (fr)

Families Citing this family (57)

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USRE50468E1 (en) 2008-09-05 2025-06-24 Lutron Technology Company Llc Intelligent illumination device
US8773336B2 (en) 2008-09-05 2014-07-08 Ketra, Inc. Illumination devices and related systems and methods
US9276766B2 (en) 2008-09-05 2016-03-01 Ketra, Inc. Display calibration systems and related methods
US10210750B2 (en) 2011-09-13 2019-02-19 Lutron Electronics Co., Inc. System and method of extending the communication range in a visible light communication system
US9509525B2 (en) 2008-09-05 2016-11-29 Ketra, Inc. Intelligent illumination device
US9232591B2 (en) 2008-12-12 2016-01-05 O2Micro Inc. Circuits and methods for driving light sources
US8339067B2 (en) 2008-12-12 2012-12-25 O2Micro, Inc. Circuits and methods for driving light sources
US9253843B2 (en) 2008-12-12 2016-02-02 02Micro Inc Driving circuit with dimming controller for driving light sources
US9030122B2 (en) 2008-12-12 2015-05-12 O2Micro, Inc. Circuits and methods for driving LED light sources
US8378588B2 (en) 2008-12-12 2013-02-19 O2Micro Inc Circuits and methods for driving light sources
CN102014540B (zh) 2010-03-04 2011-12-28 凹凸电子（武汉）有限公司 驱动电路及控制光源的电力的控制器
US8330388B2 (en) 2008-12-12 2012-12-11 O2Micro, Inc. Circuits and methods for driving light sources
US9386653B2 (en) 2008-12-12 2016-07-05 O2Micro Inc Circuits and methods for driving light sources
US8508150B2 (en) 2008-12-12 2013-08-13 O2Micro, Inc. Controllers, systems and methods for controlling dimming of light sources
US8358085B2 (en) 2009-01-13 2013-01-22 Terralux, Inc. Method and device for remote sensing and control of LED lights
US9326346B2 (en) 2009-01-13 2016-04-26 Terralux, Inc. Method and device for remote sensing and control of LED lights
EP2269870B1 (fr) 2009-06-24 2012-06-20 Nxp B.V. Eclairage extérieur de véhicule
EP2501393B1 (fr) 2009-11-17 2016-07-27 Terralux, Inc. Détection et commande d'alimentation électrique de del
US8698419B2 (en) 2010-03-04 2014-04-15 O2Micro, Inc. Circuits and methods for driving light sources
CN103391006A (zh) 2012-05-11 2013-11-13 凹凸电子（武汉）有限公司 光源驱动电路、控制电力转换器的控制器及方法
US8111017B2 (en) 2010-07-12 2012-02-07 O2Micro, Inc Circuits and methods for controlling dimming of a light source
US9596738B2 (en) 2010-09-16 2017-03-14 Terralux, Inc. Communication with lighting units over a power bus
WO2012037436A1 (fr) 2010-09-16 2012-03-22 Terralux, Inc. Communication avec des unités d'éclairage par un bus d'alimentation
US9386668B2 (en) 2010-09-30 2016-07-05 Ketra, Inc. Lighting control system
USRE49454E1 (en) 2010-09-30 2023-03-07 Lutron Technology Company Llc Lighting control system
CN102387639B (zh) * 2011-02-16 2013-08-21 凹凸电子（武汉）有限公司 用于驱动光源的驱动电路、方法及调光控制器
CN103688593B (zh) * 2011-07-26 2016-08-17 皇家飞利浦有限公司 电流确定装置
WO2013090904A1 (fr) 2011-12-16 2013-06-20 Terralux, Inc. Systèmes et procédés d'application de circuits de purge dans des lampes à del
US9265119B2 (en) 2013-06-17 2016-02-16 Terralux, Inc. Systems and methods for providing thermal fold-back to LED lights
US9345097B1 (en) 2013-08-20 2016-05-17 Ketra, Inc. Interference-resistant compensation for illumination devices using multiple series of measurement intervals
US9769899B2 (en) 2014-06-25 2017-09-19 Ketra, Inc. Illumination device and age compensation method
US9332598B1 (en) 2013-08-20 2016-05-03 Ketra, Inc. Interference-resistant compensation for illumination devices having multiple emitter modules
USRE48955E1 (en) 2013-08-20 2022-03-01 Lutron Technology Company Llc Interference-resistant compensation for illumination devices having multiple emitter modules
USRE48956E1 (en) 2013-08-20 2022-03-01 Lutron Technology Company Llc Interference-resistant compensation for illumination devices using multiple series of measurement intervals
US9651632B1 (en) 2013-08-20 2017-05-16 Ketra, Inc. Illumination device and temperature calibration method
US9247605B1 (en) 2013-08-20 2016-01-26 Ketra, Inc. Interference-resistant compensation for illumination devices
US9578724B1 (en) 2013-08-20 2017-02-21 Ketra, Inc. Illumination device and method for avoiding flicker
US9360174B2 (en) 2013-12-05 2016-06-07 Ketra, Inc. Linear LED illumination device with improved color mixing
US9736895B1 (en) 2013-10-03 2017-08-15 Ketra, Inc. Color mixing optics for LED illumination device
US10021766B2 (en) * 2014-04-08 2018-07-10 Nxp B.V. Controller for a horticultural lighting system
US10161786B2 (en) 2014-06-25 2018-12-25 Lutron Ketra, Llc Emitter module for an LED illumination device
US9392663B2 (en) 2014-06-25 2016-07-12 Ketra, Inc. Illumination device and method for controlling an illumination device over changes in drive current and temperature
US9557214B2 (en) 2014-06-25 2017-01-31 Ketra, Inc. Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time
US9736903B2 (en) 2014-06-25 2017-08-15 Ketra, Inc. Illumination device and method for calibrating and controlling an illumination device comprising a phosphor converted LED
WO2016032772A1 (fr) * 2014-08-28 2016-03-03 Ketra, Inc. Dispositif d'éclairage à led et procédés pour caractériser et commande avec précision les led d'émission et photodétecteurs inclus dans le dispositif d'éclairage à led
US9392660B2 (en) 2014-08-28 2016-07-12 Ketra, Inc. LED illumination device and calibration method for accurately characterizing the emission LEDs and photodetector(s) included within the LED illumination device
US9510416B2 (en) 2014-08-28 2016-11-29 Ketra, Inc. LED illumination device and method for accurately controlling the intensity and color point of the illumination device over time
US9485813B1 (en) 2015-01-26 2016-11-01 Ketra, Inc. Illumination device and method for avoiding an over-power or over-current condition in a power converter
EP3065508B1 (fr) 2015-03-06 2018-02-28 Nxp B.V. Procédés de commande de lampes rgbw, lampes rgbw et contrôleur pour celles-ci
EP3244696A1 (fr) * 2016-05-12 2017-11-15 Helvar Oy Ab Procédé et appareil pour fournir une rétroaction dans un dispositif d'exploitation isolé pour un éclairage
DE102018004826A1 (de) * 2018-06-15 2019-12-19 Inova Semiconductors Gmbh Verfahren und Systemanordnung zum Einstellen einer konstanten Wellenlänge
US11272599B1 (en) 2018-06-22 2022-03-08 Lutron Technology Company Llc Calibration procedure for a light-emitting diode light source
DE102019208347B4 (de) * 2019-06-07 2025-01-30 Volkswagen Aktiengesellschaft Verfahren zum Betreiben eines Leuchtdioden-Moduls und Leuchtdioden-Modul
DE102020132948A1 (de) 2020-12-10 2022-06-15 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Optoelektronisches modul und verfahren zur herstellung eines optoelektronischen moduls
FR3124579A1 (fr) * 2021-06-23 2022-12-30 Valeo Vision Procédé de fonctionnement d'un dispositif d'éclairage automobile et dispositif d'éclairage automobile
WO2022268879A1 (fr) * 2021-06-23 2022-12-29 Valeo Vision Procédé de fonctionnement d'un dispositif d'éclairage automobile
FR3124578A1 (fr) * 2021-06-23 2022-12-30 Valeo Vision Procédé de fonctionnement d'un dispositif d'éclairage automobile et dispositif d'éclairage automobile

Citations (5)

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EP1672706A1 (fr) * 2004-07-12 2006-06-21 Sony Corporation Dispositif de pilotage d"unité de rétro-éclairage et méthode de pilotage de celui-ci
US20060256049A1 (en) * 2003-04-25 2006-11-16 Thales Automatic photo-colorimetric paratmeter control device for light boxes with colour leds
US20070133199A1 (en) * 1998-03-19 2007-06-14 Charles Lemaire Method and apparatus for a pulsed l.e.d. illumination
US20070159421A1 (en) * 2006-01-10 2007-07-12 Powerdsine, Ltd. Secondary Side Post Regulation for LED Backlighting
WO2007141732A2 (fr) * 2006-06-09 2007-12-13 Koninklijke Philips Electronics N.V. Panneau lumineux del pour lcd avec recalibrage de l'uniformité des couleurs sur la durée de vie

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US20060256049A1 (en) * 2003-04-25 2006-11-16 Thales Automatic photo-colorimetric paratmeter control device for light boxes with colour leds
EP1672706A1 (fr) * 2004-07-12 2006-06-21 Sony Corporation Dispositif de pilotage d"unité de rétro-éclairage et méthode de pilotage de celui-ci
US20070159421A1 (en) * 2006-01-10 2007-07-12 Powerdsine, Ltd. Secondary Side Post Regulation for LED Backlighting
WO2007141732A2 (fr) * 2006-06-09 2007-12-13 Koninklijke Philips Electronics N.V. Panneau lumineux del pour lcd avec recalibrage de l'uniformité des couleurs sur la durée de vie

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Also Published As

Publication number Publication date
WO2010150119A2 (fr) 2010-12-29
WO2010150119A3 (fr) 2011-08-11
EP2273851A2 (fr) 2011-01-12

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