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 coloreesInfo
- 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
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)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
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 |
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 |
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 |
EP04724024A EP1618550A1 (fr) | 2003-04-25 | 2004-03-29 | 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 |
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) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US7777322B2 (en) * | 2005-12-30 | 2010-08-17 | Dialight Corporation | Apparatus for providing a light source that combines different color LEDS |
CN101485236A (zh) * | 2006-09-06 | 2009-07-15 | 夏普株式会社 | 照明装置、背光源装置、液晶显示装置、照明装置的控制方法以及液晶显示装置的控制方法 |
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 |
KR101282997B1 (ko) * | 2007-10-11 | 2013-07-05 | 엘지디스플레이 주식회사 | 액정표시장치와 그 액정표시장치의 백라이트 구동방법 |
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 |
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 |
EP2273851A3 (fr) * | 2009-06-24 | 2011-05-11 | Nxp B.V. | Système et procédé pour le contrôle de grappe de DEL |
FR2948776B1 (fr) * | 2009-07-31 | 2011-08-19 | Thales Sa | Procede de construction d'images pour un appareil d'imagerie |
US8860364B2 (en) | 2010-04-23 | 2014-10-14 | Qualcomm Incorporated | Wireless power distribution among a plurality of receivers |
US9173261B2 (en) | 2010-07-30 | 2015-10-27 | Wesley L. Mokry | Secondary-side alternating energy transfer control with inverted reference and LED-derived power supply |
FR2976150B1 (fr) | 2011-06-01 | 2013-06-14 | Thales Sa | Dispositif de commande de diodes electroluminescentes a tres grande dynamique de luminance pour ecran de visualisation |
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 |
US20150262133A1 (en) * | 2014-03-12 | 2015-09-17 | Solar Turbines Incorporated | Method and system for providing an assessment of equipment in an equipment fleet |
KR102227773B1 (ko) | 2014-10-21 | 2021-03-16 | 삼성전자주식회사 | 발광장치 |
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 |
Family Cites Families (20)
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JPS59195627A (ja) * | 1983-04-21 | 1984-11-06 | Olympus Optical Co Ltd | 液晶表示装置 |
US4888599A (en) * | 1987-10-23 | 1989-12-19 | Rockwell International Corp. | Real time apparatus for adjusting contrast ratio of liquid crystal displays |
JPH04269790A (ja) * | 1991-02-26 | 1992-09-25 | Matsushita Electric Ind Co Ltd | 情報表示装置 |
US5724062A (en) * | 1992-08-05 | 1998-03-03 | Cree Research, Inc. | High resolution, high brightness light emitting diode display and method and producing the same |
US5270818A (en) * | 1992-09-17 | 1993-12-14 | Alliedsignal Inc. | Arrangement for automatically controlling brightness of cockpit displays |
JP4050802B2 (ja) * | 1996-08-02 | 2008-02-20 | シチズン電子株式会社 | カラー表示装置 |
US5786801A (en) * | 1996-09-06 | 1998-07-28 | Sony Corporation | Back light control apparatus and method for a flat display system |
EP0923067B1 (fr) * | 1997-03-12 | 2004-08-04 | Seiko Epson Corporation | Circuit pixel, afficheur, et equipement electronique a dispositif photoemetteur commande par courant |
US6095661A (en) * | 1998-03-19 | 2000-08-01 | Ppt Vision, Inc. | Method and apparatus for an L.E.D. flashlight |
US6344641B1 (en) * | 1999-08-11 | 2002-02-05 | Agilent Technologies, Inc. | System and method for on-chip calibration of illumination sources for an integrated circuit display |
EP1079361A1 (fr) * | 1999-08-20 | 2001-02-28 | Harness System Technologies Research, Ltd. | Circuit d'attaque pour éléments électroluminescents |
EP1158483A3 (fr) * | 2000-05-24 | 2003-02-05 | Eastman Kodak Company | Affichage à l'état solide avec pixel de référence |
FI109632B (fi) * | 2000-11-06 | 2002-09-13 | Nokia Corp | Valkoinen valaisu |
JP2002163907A (ja) * | 2000-11-24 | 2002-06-07 | Moriyama Sangyo Kk | 照明システム及び照明ユニット |
US6888529B2 (en) * | 2000-12-12 | 2005-05-03 | Koninklijke Philips Electronics N.V. | Control and drive circuit arrangement for illumination performance enhancement with LED light sources |
JP3766274B2 (ja) | 2000-12-21 | 2006-04-12 | 株式会社東芝 | 時分割カラー表示装置および表示方法 |
JP2003084141A (ja) * | 2001-09-13 | 2003-03-19 | Seiko Epson Corp | 導光板、照明装置、液晶装置および電子機器 |
AU2003256395A1 (en) * | 2002-07-03 | 2004-01-23 | Innovative Solutions And Support, Inc. | Method and apparatus for illuminating a flat panel display with a variably-adjustable backlight |
US7148632B2 (en) * | 2003-01-15 | 2006-12-12 | Luminator Holding, L.P. | LED lighting system |
WO2004100624A2 (fr) * | 2003-05-05 | 2004-11-18 | Color Kinetics, Inc. | Procedes et systemes d'eclairage |
-
2003
- 2003-04-25 FR FR0305125A patent/FR2854252B1/fr not_active Expired - Lifetime
-
2004
- 2004-03-29 EP EP04724024A patent/EP1618550A1/fr not_active Withdrawn
- 2004-03-29 US US10/554,357 patent/US7804478B2/en not_active Expired - Fee Related
- 2004-03-29 JP JP2006505502A patent/JP2006526886A/ja active Pending
- 2004-03-29 WO PCT/EP2004/050388 patent/WO2004097784A1/fr active Application Filing
Cited By (5)
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 |
---|---|
US20060256049A1 (en) | 2006-11-16 |
US7804478B2 (en) | 2010-09-28 |
JP2006526886A (ja) | 2006-11-24 |
FR2854252A1 (fr) | 2004-10-29 |
EP1618550A1 (fr) | 2006-01-25 |
WO2004097784A1 (fr) | 2004-11-11 |
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