FR2854252B1 - Dispositif d'asservissement de parametres photo colorimetriques pour boite a lumiere a leds colorees - Google Patents

Dispositif d'asservissement de parametres photo colorimetriques pour boite a lumiere a leds colorees

Info

Publication number
FR2854252B1
FR2854252B1 FR0305125A FR0305125A FR2854252B1 FR 2854252 B1 FR2854252 B1 FR 2854252B1 FR 0305125 A FR0305125 A FR 0305125A FR 0305125 A FR0305125 A FR 0305125A FR 2854252 B1 FR2854252 B1 FR 2854252B1
Authority
FR
France
Prior art keywords
luminated
box
color led
assembly device
colorimetric
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.)
Expired - Lifetime
Application number
FR0305125A
Other languages
English (en)
Other versions
FR2854252A1 (fr
Inventor
Guy Schou
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.)
Thales SA
Original Assignee
Thales SA
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 Thales SA filed Critical Thales SA
Priority to FR0305125A priority Critical patent/FR2854252B1/fr
Priority to PCT/EP2004/050388 priority patent/WO2004097784A1/fr
Priority to EP04724024A priority patent/EP1618550A1/fr
Priority to US10/554,357 priority patent/US7804478B2/en
Priority to JP2006505502A priority patent/JP2006526886A/ja
Publication of FR2854252A1 publication Critical patent/FR2854252A1/fr
Application granted granted Critical
Publication of FR2854252B1 publication Critical patent/FR2854252B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G09G3/34—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
    • G09G3/3413—Details of control of colour illumination sources
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using 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]
    • H05B45/10—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
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • 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
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
    • 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
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2380/00—Specific applications
    • G09G2380/12—Avionics applications
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/207—Display of intermediate tones by domain size control
    • 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
    • G09G3/36—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 using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
FR0305125A 2003-04-25 2003-04-25 Dispositif d'asservissement de parametres photo colorimetriques pour boite a lumiere a leds colorees Expired - Lifetime FR2854252B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0305125A FR2854252B1 (fr) 2003-04-25 2003-04-25 Dispositif d'asservissement de parametres photo colorimetriques pour boite a lumiere a leds colorees
PCT/EP2004/050388 WO2004097784A1 (fr) 2003-04-25 2004-03-29 Dispositif d'asservissement de parametres photo-colorimetriques pour boite a lumiere a leds colorees
EP04724024A EP1618550A1 (fr) 2003-04-25 2004-03-29 Dispositif d'asservissement de parametres photo-colorimetriques pour boite a lumiere a leds colorees
US10/554,357 US7804478B2 (en) 2003-04-25 2004-03-29 Feedback control device for photo-colorimetric parameters for a light box with color LEDs
JP2006505502A JP2006526886A (ja) 2003-04-25 2004-03-29 カラーｌｅｄ付きライトボックス用の測光／比色分析パラメータのフィードバック制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0305125A FR2854252B1 (fr) 2003-04-25 2003-04-25 Dispositif d'asservissement de parametres photo colorimetriques pour boite a lumiere a leds colorees

Publications (2)

Publication Number Publication Date
FR2854252A1 FR2854252A1 (fr) 2004-10-29
FR2854252B1 true FR2854252B1 (fr) 2005-08-05

Family

ID=33104414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0305125A Expired - Lifetime FR2854252B1 (fr) 2003-04-25 2003-04-25 Dispositif d'asservissement de parametres photo colorimetriques pour boite a lumiere a leds colorees

Country Status (5)

Country Link
US (1) US7804478B2 (fr)
EP (1) EP1618550A1 (fr)
JP (1) JP2006526886A (fr)
FR (1) FR2854252B1 (fr)
WO (1) WO2004097784A1 (fr)

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US7969097B2 (en) 2006-05-31 2011-06-28 Cree, Inc. Lighting device with color control, and method of lighting
US8278846B2 (en) 2005-11-18 2012-10-02 Cree, Inc. Systems and methods for calibrating solid state lighting panels
US8514210B2 (en) 2005-11-18 2013-08-20 Cree, Inc. Systems and methods for calibrating solid state lighting panels using combined light output measurements
US8866410B2 (en) 2007-11-28 2014-10-21 Cree, Inc. Solid state lighting devices and methods of manufacturing the same

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FR2882870B1 (fr) 2005-03-01 2007-08-10 Thales Sa Oscillateur de royer a electronique de decharge
KR100691191B1 (ko) * 2005-07-15 2007-03-09 삼성전기주식회사 Ｌｅｄ를 이용한 면광원 및 이를 구비하는 ｌｃｄ 백라이트유닛
US7926300B2 (en) 2005-11-18 2011-04-19 Cree, Inc. Adaptive adjustment of light output of solid state lighting panels
DE102006033894B4 (de) * 2005-12-16 2019-05-09 Osram Gmbh Beleuchtungseinrichtung und Anzeigegerät mit einer Beleuchtungseinrichtung
US7918582B2 (en) * 2005-12-30 2011-04-05 Dialight Corporation Signal light using phosphor coated LEDs
WO2007079423A2 (fr) 2005-12-30 2007-07-12 Dialight Corporation Procede et dispositif de generation d’une source lumineuse combinant des led de differentes couleurs
JP4860701B2 (ja) * 2006-09-06 2012-01-25 シャープ株式会社 照明装置、バックライト装置、液晶表示装置、照明装置の制御方法、液晶表示装置の制御方法
TW200821555A (en) * 2006-11-10 2008-05-16 Macroblock Inc Illuminating apparatus and brightness switching device thereof
CN100521839C (zh) * 2006-11-24 2009-07-29 聚积科技股份有限公司 照明装置及其亮度切换装置
US8102127B2 (en) * 2007-06-24 2012-01-24 Cirrus Logic, Inc. Hybrid gas discharge lamp-LED lighting system
KR101335994B1 (ko) * 2007-07-19 2013-12-04 삼성전자주식회사 백라이트 유닛 및 이를 포함하는 디스플레이장치
EP2048648B1 (fr) * 2007-10-11 2013-02-13 LG Display Co., Ltd. Dispositif d'affichage à cristaux liquides doté d'une unité de rétroéclairage et son procédé de commande
KR101282997B1 (ko) * 2007-10-11 2013-07-05 엘지디스플레이 주식회사 액정표시장치와 그 액정표시장치의 백라이트 구동방법
JP5320738B2 (ja) 2007-12-28 2013-10-23 ソニー株式会社 発光制御システムおよび画像表示システム
KR20100034873A (ko) * 2008-09-25 2010-04-02 삼성전자주식회사 백라이트 장치 및 그것의 구동 방법
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WO2013071181A2 (fr) 2011-11-11 2013-05-16 Cirrus Logic, Inc. Mélange de couleurs de sources de lumière électroniques avec corrélation entre un angle de dispositif d'atténuation à coupure de phase et une fonction de rayonnement de corps noir prédéterminée
US9204503B1 (en) 2012-07-03 2015-12-01 Philips International, B.V. Systems and methods for dimming multiple lighting devices by alternating transfer from a magnetic storage element
US9153171B2 (en) * 2012-12-17 2015-10-06 LuxVue Technology Corporation Smart pixel lighting and display microcontroller
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JP7122628B2 (ja) * 2018-09-28 2022-08-22 パナソニックＩｐマネジメント株式会社 照明点灯装置、照明装置、及び照明器具

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Publication number Priority date Publication date Assignee Title
US8278846B2 (en) 2005-11-18 2012-10-02 Cree, Inc. Systems and methods for calibrating solid state lighting panels
US8514210B2 (en) 2005-11-18 2013-08-20 Cree, Inc. Systems and methods for calibrating solid state lighting panels using combined light output measurements
US7969097B2 (en) 2006-05-31 2011-06-28 Cree, Inc. Lighting device with color control, and method of lighting
US8866410B2 (en) 2007-11-28 2014-10-21 Cree, Inc. Solid state lighting devices and methods of manufacturing the same
US9491828B2 (en) 2007-11-28 2016-11-08 Cree, Inc. Solid state lighting devices and methods of manufacturing the same

Also Published As

Publication number Publication date
US7804478B2 (en) 2010-09-28
EP1618550A1 (fr) 2006-01-25
US20060256049A1 (en) 2006-11-16
WO2004097784A1 (fr) 2004-11-11
FR2854252A1 (fr) 2004-10-29
JP2006526886A (ja) 2006-11-24

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