EP1971191B1 - Dispositif électrique/électronique destiné à la production de représentations colorées - Google Patents

Dispositif électrique/électronique destiné à la production de représentations colorées Download PDF

Info

Publication number
EP1971191B1
EP1971191B1 EP07025060.0A EP07025060A EP1971191B1 EP 1971191 B1 EP1971191 B1 EP 1971191B1 EP 07025060 A EP07025060 A EP 07025060A EP 1971191 B1 EP1971191 B1 EP 1971191B1
Authority
EP
European Patent Office
Prior art keywords
printed circuit
correction data
module
led
electrical
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.)
Not-in-force
Application number
EP07025060.0A
Other languages
German (de)
English (en)
Other versions
EP1971191A2 (fr
EP1971191A3 (fr
Inventor
Volker Grosch
Thomas Dipl.-Ing. Grossen
Frank Dipl.-Ing. Nockermann
Henning Dipl.-Ing. Marquardt
Matthias Donat
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.)
Insta Elektro GmbH and Co KG
Original Assignee
Insta Elektro GmbH and Co KG
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 Insta Elektro GmbH and Co KG filed Critical Insta Elektro GmbH and Co KG
Publication of EP1971191A2 publication Critical patent/EP1971191A2/fr
Publication of EP1971191A3 publication Critical patent/EP1971191A3/fr
Application granted granted Critical
Publication of EP1971191B1 publication Critical patent/EP1971191B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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]
    • H05B45/20—Controlling the colour of the light

Claims (7)

  1. Dispositif électrique/électronique permettant de générer des représentations de couleurs dans des groupements de taille relativement importante comportant plusieurs groupements de LED se trouvant sur au moins une carte à circuits imprimés, dont les éléments LED peuvent être commandés respectivement individuellement, quant aux trois couleurs primaires rouge, vert et bleu (RVB), par un circuit de commande, l'effet lumineux coloré étant déterminé, pour chaque groupement de LED individuel d'une carte à circuits imprimés, par un dispositif de mesure relevant de la technique d'éclairage, puis les données de correction résultant de la mesure en étant dérivées, et l'effet lumineux coloré étant ensuite adapté par l'intermédiaire d'une unité de correction située sur la carte à circuits imprimés, et ce par un courant correspondant aux données de correction, pour chaque élément LED individuel des groupements de LED, et un microprocesseur se trouvant sur chaque carte à circuits imprimés, microprocesseur appartenant à l'unité de correction et en relation avec une mémoire, caractérisé en ce que un algorithme est implémenté dans le microprocesseur (5) de l'unité de correction (4) pour la commande de l'effet lumineux coloré, algorithme par lequel, selon la composition de l'effet lumineux coloré résultant des parts des trois couleurs primaires rouge, vert et bleu (RVB), il est procédé à un équilibrage des données de correction de telle sorte que, lors de la représentation des couleurs, soient générées des teintes le plus saturées possible, et en ce que certains des éléments LED, représentant les trois couleurs primaires rouge, vert et bleu (RVB), des groupements de LED (2) sont alimentés avec les corrections évaluées conformément à l'algorithme, et en ce que ces données de correction sont déposées dans une mémoire (6) correspondant à l'unité de correction (4).
  2. Dispositif électrique/électronique selon la revendication 1, caractérisé en ce que les données de correction et les valeurs de colorimétrie, déterminées par la mesure relevant de la technique d'éclairage, concernant l'effet lumineux coloré, sont déposées dans la mémoire (6) de l'unité de correction (4) de telle sorte qu'elles peuvent être ressorties par lecture, et en ce que chaque carte à circuits imprimés (1) présente, pour la transmission tant des données de correction déposées dans la mémoire (6) que des valeurs de colorimétrie déposées dans la mémoire (6), au moins une interface de connexion (3) en relation électrique avec le microprocesseur (5) et la mémoire (6).
  3. Dispositif électrique/électronique selon la revendication 1 ou 2, caractérisé en ce que au moins deux cartes à circuits imprimés (1) sont réunies en un module (M) et en ce qu'une deuxième unité de correction (7) est attribuée au module (M), unité présentant, pour la sortie par lecture et le traitement des données de correction et des valeurs de colorimétrie de toutes les cartes à circuits imprimés (1) appartenant au module (M), au moins un microprocesseur (8) supplémentaire, et en ce que est implémenté dans ce microprocesseur (8) supplémentaire, pour la commande de l'effet d'intensité de la lumière, un autre algorithme, procédant à une évaluation des données de correction et des valeurs de colorimétrie de telle sorte que la carte à circuits imprimés (1) présentant l'intensité de lumière la plus faible donne d'office, pour le module (M), l'intensité de lumière en résultant.
  4. Dispositif électrique/électronique selon la revendication 1 à 3, caractérisé en ce que au moins un groupement de LED (2) est réalisé sous forme de puce LED tricolore générant les trois couleurs primaires (RVB), et en ce que un circuit de commande est prévu, circuit de commande approprié à la commande de chacun des éléments LED des puces LED tricolores.
  5. Dispositif électrique/électronique selon la revendication 1 à 4, caractérisé en ce que la deuxième unité de correction (7) est sur le module (M).
  6. Dispositif électrique/électronique selon la revendication 1 à 4, caractérisé en ce que la deuxième unité de correction (7) est intégrée dans un micro-ordinateur (PC) pouvant être raccordé au module (M).
  7. Dispositif électrique/électronique selon la revendication 1 à 6, caractérisé en ce que le module (M) se compose d'un grand nombre de sous-groupes (10) présentant respectivement au moins deux cartes à circuits imprimés (1).
EP07025060.0A 2007-03-13 2007-12-22 Dispositif électrique/électronique destiné à la production de représentations colorées Not-in-force EP1971191B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007012007 2007-03-13

Publications (3)

Publication Number Publication Date
EP1971191A2 EP1971191A2 (fr) 2008-09-17
EP1971191A3 EP1971191A3 (fr) 2012-09-12
EP1971191B1 true EP1971191B1 (fr) 2013-04-10

Family

ID=39518138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07025060.0A Not-in-force EP1971191B1 (fr) 2007-03-13 2007-12-22 Dispositif électrique/électronique destiné à la production de représentations colorées

Country Status (2)

Country Link
EP (1) EP1971191B1 (fr)
DE (1) DE102008013121A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009030733B4 (de) * 2009-06-26 2015-11-05 Diehl Aerospace Gmbh Verfahren und Einrichtung zu farbvariabler Beleuchtung
DE202017102683U1 (de) 2017-05-05 2017-11-17 Mts Produkte Für Den Schwimmbadbau Und Die Unterwassertechnik Gmbh Anordnung zur Befestigung eines Scheinwerfers, insbesondere eines Unterwasserscheinwerfers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0830231A (ja) 1994-07-18 1996-02-02 Toshiba Corp Ｌｅｄドットマトリクス表示器及びその調光方法
JP2000020004A (ja) 1998-06-26 2000-01-21 Mitsubishi Electric Corp 画像表示装置
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
EP1548573A1 (fr) 2003-12-23 2005-06-29 Barco N.V. Système de contrôle hiérarchique pour un affichage émissif à écran large en mosaique
CN1951101A (zh) * 2004-05-11 2007-04-18 皇家飞利浦电子股份有限公司 用于处理彩色图像数据的方法
US7626345B2 (en) * 2005-02-23 2009-12-01 Dialight Corporation LED assembly, and a process for manufacturing the LED assembly
DE202006014351U1 (de) 2006-09-19 2007-01-04 Tridonic Optoelectronics Gmbh LED-Modul mit RGB LED-Chips

Also Published As

Publication number Publication date
EP1971191A2 (fr) 2008-09-17
EP1971191A3 (fr) 2012-09-12
DE102008013121A1 (de) 2008-09-25

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