FR2923625B1 - Procede de generation de couleurs de lumiere mixte. - Google Patents

Procede de generation de couleurs de lumiere mixte.

Info

Publication number
FR2923625B1
FR2923625B1 FR0805771A FR0805771A FR2923625B1 FR 2923625 B1 FR2923625 B1 FR 2923625B1 FR 0805771 A FR0805771 A FR 0805771A FR 0805771 A FR0805771 A FR 0805771A FR 2923625 B1 FR2923625 B1 FR 2923625B1
Authority
FR
France
Prior art keywords
mixed light
light colors
generating mixed
generating
colors
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.)
Active
Application number
FR0805771A
Other languages
English (en)
Other versions
FR2923625A1 (fr
Inventor
Steffen Eckhard
Kiewning Till
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.)
Diehl Aerospace GmbH
Original Assignee
Diehl Aerospace GmbH
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 Diehl Aerospace GmbH filed Critical Diehl Aerospace GmbH
Publication of FR2923625A1 publication Critical patent/FR2923625A1/fr
Application granted granted Critical
Publication of FR2923625B1 publication Critical patent/FR2923625B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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]
    • 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
    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/041—Controlling the light-intensity of the source
    • 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
    • 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
    • H05B47/10—Controlling the light source
    • 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
    • H05B47/10—Controlling the light source
    • H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
    • 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]
FR0805771A 2007-11-09 2008-10-17 Procede de generation de couleurs de lumiere mixte. Active FR2923625B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007053481.9A DE102007053481B4 (de) 2007-11-09 2007-11-09 Verfahren zum Dimmen von Lichtquellen ausgebildet zum Erzeugen von Mischlichtfarben

Publications (2)

Publication Number Publication Date
FR2923625A1 FR2923625A1 (fr) 2009-05-15
FR2923625B1 true FR2923625B1 (fr) 2012-06-01

Family

ID=40042285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0805771A Active FR2923625B1 (fr) 2007-11-09 2008-10-17 Procede de generation de couleurs de lumiere mixte.

Country Status (4)

Country Link
US (1) US8115416B2 (fr)
DE (1) DE102007053481B4 (fr)
FR (1) FR2923625B1 (fr)
GB (1) GB2454557B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009040283A1 (de) * 2009-09-04 2011-03-10 Tridonic Ag Betrieb von pulsmodulierten LEDs
DE102009050651A1 (de) 2009-10-26 2011-04-28 Infineon Technologies Austria Ag Verfahren und Vorrichtung zur Helligkeitsregelung von Leuchtdioden
DE102010001919B4 (de) * 2010-02-15 2012-03-01 Osram Ag Schaltung und Verfahren zur Ansteuerung eines Leuchtmittels
DE102010003244A1 (de) * 2010-03-25 2011-09-29 Osram Gesellschaft mit beschränkter Haftung Verfahren und Schaltungsanordnung zum Betreiben einer Vielzahl von Leds
DE102010015125A1 (de) * 2010-04-16 2011-10-20 Hella Kgaa Hueck & Co. Verfahren zur Steuerung eines Lichtstroms einer Leuchteinrichtung mit einer Anzahl von Halbleiterleuchtmitteln, die zur Kennzeichnung und Markierung von Verkehrsflächen von Flughäfen eingerichtet ist
US8198832B2 (en) * 2010-08-13 2012-06-12 Linear Technology Corporation Method and system for extending PWM dimming range in LED drivers
DE102011122256A1 (de) * 2011-12-23 2013-06-27 Diehl Aerospace Gmbh Vorrichtung zur Steuerung einer Beleuchtungseinrichtung und Verfahren zur Steuerung einer Beleuchtungseinrichtung
EP2661153B1 (fr) 2012-05-02 2019-11-06 ams AG Source de courant et procédé pour fournir un courant d'entraînement
US8742695B2 (en) * 2012-05-14 2014-06-03 Usai, Llc Lighting control system and method
DE102013108257B4 (de) * 2013-08-01 2019-10-31 Technische Universität Dresden Verfahren und Einrichtung zum Dimmen von LED
CN107454718B (zh) * 2017-08-31 2023-11-28 广州光联电子科技有限公司 一种具有修正色温功能的led灯光源及光学系统
US12111467B2 (en) * 2018-06-28 2024-10-08 Apple Inc. Electronic device with multi-element display illumination system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6630801B2 (en) 2001-10-22 2003-10-07 Lümileds USA Method and apparatus for sensing the color point of an RGB LED white luminary using photodiodes
AU2003211809A1 (en) * 2002-03-01 2003-09-16 Sharp Kabushiki Kaisha Light emitting device and display unit using the light emitting device and reading device
US7535443B2 (en) 2003-12-22 2009-05-19 Nokia Corporation Apparatus and method for producing variable intensity of light
US7408527B2 (en) * 2004-04-30 2008-08-05 Infocus Corporation Light emitting device driving method and projection apparatus so equipped
DE102004023186A1 (de) * 2004-05-11 2005-12-08 Siemens Ag Verfahren zum Einstellen eines Farbortes eines von einer LED-Lichtquelle emittierten Lichts
JP4463024B2 (ja) 2004-06-21 2010-05-12 シャープ株式会社 発光装置
DE102004047669A1 (de) 2004-09-30 2006-04-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Beleuchtungseinrichtung und Verfahren zur Regelung
KR100638723B1 (ko) * 2005-02-04 2006-10-30 삼성전기주식회사 Led 어레이 구동 장치 및 이를 이용한 백라이트 구동 장치
KR100587022B1 (ko) * 2005-05-18 2006-06-08 삼성전기주식회사 디밍 회로를 갖는 ｌｅｄ 구동회로
US7443104B2 (en) * 2005-07-27 2008-10-28 Osram Opto Semiconductors Gmbh Lighting apparatus and method for controlling brightness and color location thereof
US7902771B2 (en) * 2006-11-21 2011-03-08 Exclara, Inc. Time division modulation with average current regulation for independent control of arrays of light emitting diodes
US7800315B2 (en) * 2007-09-21 2010-09-21 Exclara, Inc. System and method for regulation of solid state lighting

Also Published As

Publication number Publication date
DE102007053481A1 (de) 2009-05-14
GB0818197D0 (en) 2008-11-12
DE102007053481B4 (de) 2020-01-02
GB2454557A (en) 2009-05-13
US20090121658A1 (en) 2009-05-14
GB2454557B (en) 2012-07-25
US8115416B2 (en) 2012-02-14
FR2923625A1 (fr) 2009-05-15

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