WO2009156244A2 - Circuit de variation d'intensité lumineuse d'une lampe et procédé associé - Google Patents

Circuit de variation d'intensité lumineuse d'une lampe et procédé associé Download PDF

Info

Publication number
WO2009156244A2
WO2009156244A2 PCT/EP2009/056652 EP2009056652W WO2009156244A2 WO 2009156244 A2 WO2009156244 A2 WO 2009156244A2 EP 2009056652 W EP2009056652 W EP 2009056652W WO 2009156244 A2 WO2009156244 A2 WO 2009156244A2
Authority
WO
WIPO (PCT)
Prior art keywords
color temperature
brightness
lamp
color
led
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.)
Ceased
Application number
PCT/EP2009/056652
Other languages
German (de)
English (en)
Other versions
WO2009156244A3 (fr
Inventor
Dirk Berben
Franz Bernitz
Oskar Schallmoser
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.)
Osram GmbH
Original Assignee
Osram 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 Osram GmbH filed Critical Osram GmbH
Publication of WO2009156244A2 publication Critical patent/WO2009156244A2/fr
Publication of WO2009156244A3 publication Critical patent/WO2009156244A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H05B31/00—Electric arc lamps
    • H05B31/48—Electric arc lamps having more than two electrodes
    • H05B31/50—Electric arc lamps having more than two electrodes specially adapted for AC
    • 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
    • H05B45/357—Driver circuits specially adapted for retrofit LED light sources
    • H05B45/3574—Emulating the electrical or functional characteristics of incandescent lamps
    • 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
    • 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]

Definitions

  • the invention relates to a circuit for dimming a lamp and an associated method.
  • LED lamps for home lighting will increasingly replace existing incandescent lamps.
  • the color temperature of the incandescent bulbs which is about 2750K, can be perceived as pleasant, LEDs offer special advantages at colder color temperatures of up to 8000K (so-called "sky-white” coloring).
  • a dimming of LEDs is easily possible electronically, but a change in the color temperature is associated with a high electrical control effort. This effort reduces customer acceptance and increases the price of the lamp.
  • RGB or RGBW red LED, G: green LED, B: blue LED, W: white LED
  • RGB or RGBW red LED, G: green LED, B: blue LED
  • W white LED
  • a different aging behavior of the different LEDs causes a shift of the color location of the lamp.
  • a circuit for dimming a lamp comprising at least two light units is specified
  • the at least two lighting units are controlled.
  • the dimming of the lamp denotes an adjustment of a lamp parameter, in particular a brightness (brighter or darker) of the lamp.
  • the dimming can be used to adapt the color locus or the color temperature of the lamp.
  • the color temperature can be adjusted. For example, it is advantageous that as the brightness increases, a higher color temperature (e.g., 8000K) and thus increasingly “cold white” light is set.
  • Abstrahl decisionizinga the at least two light units by means of the control unit preferably depends on
  • parameter curves for brightness and color temperature.
  • the parameter curves can be at least partially - eg in Reference to the color temperature - individually deposited for each of the lighting units.
  • the at least two light units have different color temperatures, so that the color temperature of the lamp is suitably adjustable depending on the brightness, in particular with increasing brightness, a higher color temperature and with decreasing brightness, a lower color temperature is adjustable.
  • a pleasant color temperature of the lamp (“feel-good light") can be set for the user. Operation is intuitive for the user based on the input signal. In particular, the user of the lamp does not have to worry about additionally setting different color temperatures depending on the brightness of the lamp.
  • a development consists in that the lighting unit comprises an LED or an LED module.
  • LED module a plurality of LEDs in particular also different colored LEDs.
  • the at least two light units can be controlled on the basis of the control unit by means of the input signal on the basis of a dimming characteristic curve and on the basis of one characteristic curve for color matching per light unit.
  • the control unit comprises a microcontroller which can access stored values, for example characteristic curves, and outputs a corresponding brightness value that can be determined by one or more characteristic curves or stored values, depending on the input signal per lighting unit.
  • the dimming characteristic curve can provide a first value, by means of which a second value is determined for each lighting unit on the basis of a color temperature characteristic curve specific to the lighting unit.
  • the first value is processed by means of several color temperature characteristics to a plurality of second values (a separate value for each lighting unit) and these second values are used to control the respective lighting units.
  • control unit can access stored values, which are here designated by way of example as characteristic curves, and can perform an assignment (mapping) to further values on the basis of the stored values.
  • characteristic curves should be understood as preferably stored values which can be used for (further) processing or for controlling the lighting units.
  • the characteristics may be linked to functionally stored values, i. A rule or function can be stored on the basis of which an initial value can be determined for an input value. In this case, the pre-storage of a plurality of values or value pairs can be omitted.
  • control unit comprises a color controller, the color controller depending on a measured value determined by means of a sensor activates the at least two lighting units.
  • processing of the brightness and the color temperature takes place in the color controller.
  • at least one desired value is predetermined by the input signal, and at least one actual value is provided by means of the sensor.
  • the color controller performs a nominal-actual comparison and sets the lighting units so that the actual value largely corresponds to the setpoint.
  • the regulation to the desired value can be carried out continuously or time-discretely (i.e., iteratively at certain predeterminable times).
  • the color controller is impressed on the basis of the input signal, a desired brightness or a desired color temperature.
  • the control unit in that the input signal is assigned by means of a characteristic curve for color matching a target color temperature and that the input signal is assigned by means of a dimming characteristic of a desired brightness.
  • the sensor can accordingly provide actual values for the color temperature and / or the brightness.
  • Control unit based on the input signal determines the brightness and the color temperature.
  • control unit based on the input signal, the brightness and the
  • Color temperature determined on the basis of characteristics or stored values.
  • control unit which is preferably designed as a microcontroller with memory.
  • drivers are provided for controlling the at least two light units.
  • a higher color temperature can be set with increasing brightness of the lamp.
  • One embodiment is that a warm-white lighting unit and a cold-white lighting unit are provided.
  • one or more light units in particular LEDs or LED modules, may be provided which have a color temperature between warm white and cold white.
  • One advantage is that the emitted light can be better adapted to a so-called Planck curve. By passing through the color temperature and / or brightness, the emitted light remains closer to the Planck curve and thus looks more natural. Planck's deviating light is usually perceived as colorful.
  • the above object is also achieved by a method for controlling a lamp comprising at least two light units,
  • a brightness and a color temperature of the lamp are determined; - Wherein depending on the determined brightness and color temperature, the at least two light units are controlled.
  • An alternative embodiment consists in that the brightness and the color temperature are determined on the basis of at least one characteristic curve, wherein in particular one characteristic is provided per lighting unit for an adaptation of the color temperature.
  • the characteristic can refer to any type of stored or cached values and / or functionally determinable values.
  • a next embodiment is that the input signal is a dimming signal.
  • the dimming signal is preferably a signal with which a user of the lamp can set the brightness of the lamp.
  • a color temperature and / or a brightness of the lamp is detected by means of a sensor and that, depending on the detected color temperature and / or the detected brightness, a control of the at least two light units is performed.
  • a target-actual comparison between color temperature and brightness values predetermined or ascertainable based on the input signal and color temperature and brightness actual values provided by the sensor can be performed.
  • a continuous or discrete-time control for setting the at least two lighting units can be carried out in accordance with a desired specification.
  • FIG. 5 a dimming taking into account a setting of the color temperature without a color management system
  • FIG. 6 shows a dimming taking into account the setting of the color temperature with a color management system.
  • LEDl is a warm white LED with a color temperature (CCT) of 2000K
  • LED2 is a cold white LED with a color temperature of 8000K.
  • the relative efficiency of the warm-white LED compared to the cold-white LED is assumed to be 50% in the following (for example due to efficiency disadvantages of the phosphors used).
  • a dimmer for home use provides a rule dimension, which is also called controller position in the following. With the regulator position, a proportional control of the emitted light quantity of the lamp are generated. At the same time, the color temperature should be reduced with a reduction in the amount of light. For example, the color temperature drops from 6500K at full light output to 2500K at less than 20% of the light output.
  • FIG. 1 shows by way of example the following characteristics:
  • a characteristic curve 101 which determines the emitted light quantity of the warm white LED as a function of the
  • characteristic curve 104 which shows the emitted light quantity of the cold-white LED 2 in dependence on the regulator position
  • characteristic curve 103 which shows the emitted light quantity of the lamp comprising the LED1 and the LED2 as a function of the regulator position
  • a characteristic curve 102 shows the color temperature (CCT) of the lamp as a function of the position of the regulator.
  • the emitted light quantity 103 is approximately linearly correlated with the regulator position.
  • FIG. 2 An alternative characteristic for a brightness control according to DIN EN 60929 (logarithmic dependence of the brightness of the regulator position) is shown in FIG. 2 hereby comprises the following characteristics:
  • a characteristic curve 201 which determines the emitted light quantity of the warm-white LED1 as a function of the
  • a characteristic curve 204 which shows the emitted light quantity of the cold white LED 2 as a function of the regulator position
  • a characteristic curve 202 which shows the emitted light quantity of the lamp comprising the LED1 and the LED2 as a function of the regulator position
  • a characteristic curve 203 shows the color temperature (CCT) of the lamp as a function of the position of the regulator.
  • the characteristic of the cold white LED2 and the characteristic of the warm white LEDl can be implemented electronically. A compensation of different aging of the individual LEDs can be omitted if identical LED chips are used. The different phosphors used are resistant to aging to a good approximation.
  • the color temperature in the example presented can be set in a range from about 6500K to about 2500K.
  • Incandescent lamps can only be operated up to 3200K (halogen). Whether by means of the approach presented here a stronger or a weaker decrease of the color temperature with the amount of light is desired can be specified individually. An appropriate setting or regulation is possible.
  • LEDs can actually be operated at full power and thus an efficient utilization of the lamp is made possible.
  • a plurality of LEDs can be used. For example, two LEDs are mentioned here.
  • LED modules can be provided with more than one LED and correspondingly more such modules can be combined.
  • a plurality of individual LEDs can form a cold white LED module or a warm white LED module.
  • the lamp may comprise at least two LEDs or one or more LED modules.
  • LED1 or LED2 different characteristics for the individual LEDs (LED1 or LED2) can be specified in the above example.
  • LED1 or LED2 For low color temperature ranges, it is possible to efficiently use LEDs whose color temperature is not far removed from the actual useful color temperature of the lamp.
  • CMS dimming without color management system
  • a dimming signal DIM is received by a microcontroller 301 and converted by means of a stored dimming characteristic 302 (cf., for example, EN 60929: 2004 E.4.3.7).
  • the microcontroller 301 generates signals for driving an LED driver 303 and an LED driver 304.
  • the LED driver 303 controls a warm white LED 305 and the LED driver 304 controls a cold white LED 306.
  • the LED driver 303 and / or 304 may be designed as a switching regulator, for example as a step-down converter, as a step-up converter, as an inverse converter, as a cuttlefish, as a Cuk, as a flyback converter or as a linear regulator.
  • the average output current of the LED drivers 303, 304 is preferably directly proportional to the input signal provided by the microcontroller 301. An average of the current can be adjusted by a variable current control. Alternatively, it is also possible to switch between different current levels (back and forth).
  • a current level is preferably OA and another current level is I max .
  • the time relationship between the two switched current levels determines the mean current through the respective LED. This is a pulse width modulation method for adjusting the brightness of the LEDs 305, 306.
  • FIG. 4 shows a dimming with a color management system.
  • Fig.3 shows a dimming with a color management system.
  • Microcontroller 401 provided with a color controller 409.
  • driver 403 which drives a red LED 406, a driver 404, which drives a green LED 407, and a driver 405, which drives a blue LED 408.
  • the drivers 403 to 405 and the microcontroller 401 are powered by a power supply unit 411.
  • the microcontroller 401 comprises a dimming characteristic 402, which is controlled by means of a dimming signal DIM.
  • a color temperature CCT can be set externally.
  • the dim signal DIM is generated by means of the
  • Microcontroller converted into a brightness signal BRI and thus the color controller 409 fed. Furthermore, the
  • Color controller 409 with externally adjustable color temperature
  • the color controller 409 compensates for LED tolerances, especially when using different LED chip colors.
  • the color controller 409 is combined with a sensor 410, wherein the measured values supplied by the sensor 410 are evaluated by the color controller 409.
  • the sensor 410 is arranged such that the light emitted by the LEDs 406 to 408 can be measured.
  • the color controller 409 determines an actual light color based on the sensor 410 and determines and compensates for a deviation from the default value CCT. A deviation from the brightness signal BRI is also determined and compensated.
  • Such a color control system comprising the color controller 409 and the sensor 410 is associated with significant costs.
  • the microcontroller must be more powerful, and the demands on the LED drivers are higher.
  • it is preferably to be ensured by design measures that as little ambient light as possible falls from the outside onto the sensor and thus incorrect measurements are avoided.
  • FIG. 5 comprises a microcontroller 501 with a dimming characteristic 501, wherein a dimming signal DIM is applied to the microcontroller 501 and, based on a CCT characteristic 503, into a signal for a warm white LED 507 and based on a CCT characteristic 504 in FIG a signal for a cold white LED 508 is decomposed.
  • the microcontroller 501 derives its output signals via a driver 505 to the LED 507 and a driver 506 to the LED 508.
  • the driver 505, 506 and the microcontroller 501 are powered by a power supply 509 with power.
  • the dimming signal DIM is processed by means of the dimming characteristic 502 and by means of the two further characteristics 503 and 504.
  • the characteristic e.g. the color temperature of the dimming signal DIM depending determined and adjusted. It is also possible by suitable choice of the characteristic curves 503, 504 to determine whether the total light of the two LEDs 507, 508 should be generated as energy-efficiently as possible or cost-effectively.
  • Fig. 6 shows a dimming with a color management system.
  • a microcontroller 601 is provided with a color controller 604 which is supplied with a sensed signal (e.g., brightness and / or color temperature) via a sensor 605.
  • a sensed signal e.g., brightness and / or color temperature
  • the microcontroller 601 also comprises a characteristic 602 for adjusting the color temperature and a dimming characteristic 603.
  • the microcontroller uses the characteristic curves 602 and 603 to determine a color temperature CCT and a brightness BRI which are processed further in the color controller into output signals for a red LED 609, a green LED 610 and a blue LED 611.
  • the LEDs 609 to 611 are driven by drivers 606 to 608. Both the drivers 606 to 608 and the microcontroller 601 are powered by a power supply 612.
  • the color management system comprising the color controller 604 and the sensor 605 can directly detect and evaluate a color temperature.
  • the desired color temperature can be derived from the dimming signal. Accordingly, the color controller 604 may set the actual color temperature so that the target preset is (almost) the actual value. Such an adjustment can be done iteratively automatically.
  • the target value of which can likewise be determined from the dimming signal DIM on the basis of the dimming characteristic 603 and can be adjusted automatically by means of the color controller 604 taking into account the brightness value (actual value) supplied by the sensor 605.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne un circuit de variation d'intensité lumineuse d'une lampe comprenant au moins deux unités d'éclairage, lequel circuit comprend une unité de commande permettant le couplage d'une intensité lumineuse et d'une température de couleur en fonction d'un signal d'entrée, lesdites au moins deux unités d'éclairage pouvant être commandées en fonction du signal d'entrée à l'aide de l'unité de commande. L'invention concerne également un procédé de variation d'intensité lumineuse de la lampe.
PCT/EP2009/056652 2008-06-24 2009-05-29 Circuit de variation d'intensité lumineuse d'une lampe et procédé associé Ceased WO2009156244A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008029816A DE102008029816A1 (de) 2008-06-24 2008-06-24 Schaltung zur Dimmung einer Lampe und zugehöriges Verfahren
DE102008029816.6 2008-06-24

Publications (2)

Publication Number Publication Date
WO2009156244A2 true WO2009156244A2 (fr) 2009-12-30
WO2009156244A3 WO2009156244A3 (fr) 2010-05-14

Family

ID=41360502

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/056652 Ceased WO2009156244A2 (fr) 2008-06-24 2009-05-29 Circuit de variation d'intensité lumineuse d'une lampe et procédé associé

Country Status (3)

Country Link
DE (1) DE102008029816A1 (fr)
TW (1) TW201008380A (fr)
WO (1) WO2009156244A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010055296A1 (de) 2010-12-21 2012-06-21 Elmar Leson Leuchtmittel mit Farbortdimmung
WO2016074512A1 (fr) * 2014-11-12 2016-05-19 常州市武进区半导体照明应用技术研究院 Procédé, dispositif et système de commande d'éclairage
CN108282930A (zh) * 2018-03-14 2018-07-13 生迪光电科技股份有限公司 调光电路、灯具组件、调光系统及调光方法
US12452971B1 (en) * 2024-07-12 2025-10-21 Lmpg Inc. Emulated white LED in a color-changing lighting fixture

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009038353A1 (de) * 2009-08-21 2011-02-24 Lexd Gmbh Beleuchtungsvorrichtung mit Leuchtdioden und veränderbarer Farbtemperatur
DE102010043013B4 (de) 2009-12-03 2019-10-10 Stefan Ruppel Beleuchtungsvorrichtung und Verfahren zum Beleuchten
DE102010042200A1 (de) * 2010-10-08 2012-04-12 Carl Zeiss Meditec Ag Beleuchtungsmodul mit Weißlicht-LED für Beleuchtungseinrichtung
DE102011018808A1 (de) * 2011-04-27 2012-10-31 Osram Opto Semiconductors Gmbh Beleuchtungsvorrichtung und Kontrollvorrichtung zur Steuerung und/oder Regelung einer Vielzahl von Leuchtdioden
DE102012006860A1 (de) 2012-04-03 2013-10-10 Tridonic Gmbh & Co. Kg Verfahren und Vorrichtung zum Regeln einer Beleuchtungsstärke
AT13341U1 (de) * 2012-04-05 2013-10-15 Tridonic Gmbh & Co Kg Verfahren und Vorrichtung zum Regeln einer Beleuchtungsstärke
DE102013022685B4 (de) 2013-12-03 2025-02-06 Tridonic Gmbh & Co Kg Treiberschaltung und Verfahren zum Betrieb einer dimmbaren LED-Strecke in einem Dimmbereich mit zwei Bereichen
DE102013224760B4 (de) 2013-12-03 2022-09-29 Tridonic Gmbh & Co Kg Treiberschaltung und Verfahren zum Betrieb einer dimmbaren LED-Strecke in einem Dimmbereich mit zwei Bereichen
DE112014005132B4 (de) 2013-12-06 2025-01-16 Cree Lighting USA LLC (n.d.Ges.d. Staates Delaware) Für gezielte spektrale energieverteilung eingerichtete festkörper-beleuchtungsvorrichtung und schaltkreise, die led-segmente einschliessen, und verfahren zum betreiben derselben
DE102014205727A1 (de) * 2014-03-27 2015-10-01 BSH Hausgeräte GmbH Haushaltskältegerät mit einer Innenraumbeleuchtung
US9538604B2 (en) * 2014-12-01 2017-01-03 Hubbell Incorporated Current splitter for LED lighting system
NL2016665B1 (en) * 2016-04-22 2017-11-16 Eldolab Holding Bv LED driver dimming.
DE102021005158A1 (de) 2021-09-24 2023-03-30 HiAsset Holding GmbH LED-Leistungsversorgung
EP4156864B1 (fr) 2021-09-24 2025-09-17 Dr. Ralf Hinkel Holding GmbH Alimentation de puissance à del

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0676961A (ja) * 1992-08-26 1994-03-18 Matsushita Electric Works Ltd 可変色照明装置
PT1422975E (pt) * 2000-04-24 2010-07-09 Philips Solid State Lighting Produto ‚ base de leds
GB2421367B (en) * 2004-12-20 2008-09-03 Stephen Bryce Hayes Lighting apparatus and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010055296A1 (de) 2010-12-21 2012-06-21 Elmar Leson Leuchtmittel mit Farbortdimmung
WO2016074512A1 (fr) * 2014-11-12 2016-05-19 常州市武进区半导体照明应用技术研究院 Procédé, dispositif et système de commande d'éclairage
CN108282930A (zh) * 2018-03-14 2018-07-13 生迪光电科技股份有限公司 调光电路、灯具组件、调光系统及调光方法
US12452971B1 (en) * 2024-07-12 2025-10-21 Lmpg Inc. Emulated white LED in a color-changing lighting fixture

Also Published As

Publication number Publication date
TW201008380A (en) 2010-02-16
WO2009156244A3 (fr) 2010-05-14
DE102008029816A1 (de) 2009-12-31

Similar Documents

Publication Publication Date Title
WO2009156244A2 (fr) Circuit de variation d'intensité lumineuse d'une lampe et procédé associé
DE112010004782B4 (de) Betrieb einer LED-Leuchte mit variablem Spektrum, Steuereinheit und LED-Leuchte
DE60219504T2 (de) Led steuerungsgerät
EP1445989B1 (fr) Circuit et méthode pour un luminaire à température de couleur et intensité réglable
WO2007147512A1 (fr) Appareil de commande à gradation de lumière présentant une caractéristique de gradation interne
EP2522199B1 (fr) Procédé combiné pour faire fonctionner un élément luminescent électrique et circuit d'exploitation
DE102014113164A1 (de) Beleuchtungseinrichtung
DE102012107706A1 (de) Vorrichtung und Verfahren zur Erzeugung von Licht eines vorgegebenen Spektrums mit mindestens vier verschiedenfarbigen Lichtquellen
EP2067379A1 (fr) Contrôleur de lampe pour faire fonctionner une ou plusieurs sources de lumière et procédé pour faire fonctionner un contrôleur de lampe
WO2009152916A1 (fr) Module à del destiné à l'éclairage général
DE102005024449A1 (de) Leuchte
DE102022126500A1 (de) LED-Treibervorrichtung und Leuchtvorrichtung mit derselben
EP2433472A1 (fr) Procédé et dispositif de réglage d'un point de couleur
DE202005020801U1 (de) Leuchte
DE202015103127U1 (de) LED-Modul mit veränderbarem Farbort und Beleuchtungsgerät mit einem solchen LED-Modul
EP2280585B1 (fr) Procédé de réglage de la commande de plusieurs lampes
DE102007052854A1 (de) Verfahren und Vorrichtung zur Steuerung der Lichtabgabe einer LED-Leuchte
EP2282610B1 (fr) Procédé de commande d'une lampe
DE102007026867A1 (de) Leuchte und Verfahren zum Betreiben einer Leuchte
DE102013222177A1 (de) Leuchtmittel-Betriebsschaltung mit getaktetem Konverter zum digitalen Einstellen einer Farbtemperatur und/oder eines Dimmpegels
DE202008018269U1 (de) LED Modul für die Allgemeinbeleuchtung
DE102015223071B4 (de) Farbtemperaturdimmen von AC-versorgten LED-Strecken mittels Phaseninformation
DE102012018760A1 (de) Vorrichtung zum Betreiben von LEDs
DE102013109866A1 (de) Vorrichtung und Verfahren zur Ansteuerung und Festlegung der Helligkeit von mehreren Leucht-Dioden (LED) oder LED-Modulen
DE202013012557U1 (de) Steuervorrichtung für ein Leuchtmittel

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09769093

Country of ref document: EP

Kind code of ref document: A2