EP2138012B1 - Operating device and method for the combined operation of gas discharge lamps and semiconductor light sources - Google Patents
Operating device and method for the combined operation of gas discharge lamps and semiconductor light sources Download PDFInfo
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- EP2138012B1 EP2138012B1 EP08717124A EP08717124A EP2138012B1 EP 2138012 B1 EP2138012 B1 EP 2138012B1 EP 08717124 A EP08717124 A EP 08717124A EP 08717124 A EP08717124 A EP 08717124A EP 2138012 B1 EP2138012 B1 EP 2138012B1
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- light sources
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- discharge lamps
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims description 4
- 239000003086 colorant Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 20
- 230000007704 transition Effects 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
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- 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
- H05B35/00—Electric light sources using a combination of different types of light generation
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- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
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- 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
Definitions
- the invention relates to the field of dimmable control gear for light sources, specifically to dimmable control gear for the combined operation of gas discharge lamps and semiconductor light sources.
- the invention is based on dimmable operating devices for the combined operation of gas discharge lamps and semiconductor light sources according to the preamble of the main claim. So far, in light fixtures, which also use semiconductor light sources such as light-emitting diodes in addition to the gas discharge lamps that have been used for a long time, every light source has been considered as such. With dimmable lights, each light source is dimmable, but both light sources are not considered as one unit.
- fluorescent lamps can be dimmed with the appropriate technical effort to 1% of the nominal light, but the efficiency drops significantly at these low dimming positions. Also, the color of the emitted light can change, as at very low Performs the lamp cools strongly and gives the argon charge over the mercury discharge more weight.
- the operating device contains circuits that can operate both lamps dimmed.
- the dimming control there is an input which can be an interface to an analog or digital light control bus.
- an analog bus usually a 1-10V bus is used, as a digital interface Usually the DALI protocol is used.
- the digital interface also knows light control commands and lighting scenarios that are stored in the operating device. If a signal is input to this input, the operating device controls the light output of both light sources according to the entered dimming level.
- one or the other light source is used, and an internal control ensures that the transition from one light source to the other remains hidden to the human eye.
- both bulbs are used to realize a very smooth transition.
- FIG. 1 Schematic representation of a hybrid system according to the invention.
- FIG. 2 Graphic showing the transition from the semiconductor light sources to the gas discharge lamps.
- Fig. 3 Graphic illustrating another takeover criterion: the specific efficiency of the light sources.
- Fig. 1 shows a schematic connection diagram of an operating device according to the invention.
- the device has outputs for gas discharge lamps and for semiconductor light sources.
- the gas discharge lamps are preferably compact fluorescent lamps, and the semiconductor light sources may be, for example, white LEDs or OLEDs.
- the mains voltage input there is an input for a light control interface. This can be a digital or an analog interface. But it is also possible to program the interface to one or the other light control protocol. This has the advantage of the widest possible usability of the operating device.
- the two different light sources should be placed in the luminaire so that the light distribution of both bulbs is similar. Only then can the luminaire be dimmed within a wide range without visible optical deviations.
- Fig. 2 shows a diagram that illustrates the basic procedure for the transition from the LEDs to the gas discharge lamps.
- the dimming position of a light control signal is indicated via the total brightness.
- Both light source types operated by the device are controlled via a light control signal.
- the two curves for the semiconductor light sources and the gas discharge lamps run in large areas on the light control signal, ie that in all areas except the dimming range of 3% -10% each of the light output of the semiconductor light sources or the gas discharge lamps exactly follow the default value of the light control signal.
- the light control signal At the bottom and top ends the light control signal, as there is no correlation There is more between signal and brightness. In the range of 3% to 10%, both types of light source contribute to system light output.
- the light sources are each dimmed so that the total light intensity corresponds to the default value of the light control signal.
- the LEDs or OLEDs light in the lower dimming range, e.g. from 1 ⁇ to 10%. From a dimming position of 3%, the gas discharge lamps are switched on. At the time of the lamp ignition, the light output of the LEDs is suddenly reduced at the same time so as not to change the total luminous intensity of the lamp. In order to compensate as well as possible for the short flash of light of the gas discharge lamp, which it emits when ignited, it would also be conceivable to completely switch off the LEDs for the moment of the lamp ignition. In the range between 3% and 10%, both lamps are gradually increased in light output. At 10% dimming, the LEDs are turned off and the power of the gas discharge lamp is suddenly increased to maintain the amount of light emitted. From there, the gas discharge lamp is dimmed up to its rated power.
- the transition between the two lamp categories can be visible despite the same brightness. This is especially the case when the lamp has been operated for a long time in the lower dimming range, in which the gas discharge lamp is strongly dimmed or completely switched off. Then the lamp cools down and changes its color or is cooled down at the start so far that it gives a slightly different color than in the nominal light mode.
- the operating device in the second embodiment has outputs for different colored LEDs.
- a map can be stored in the operating device, which describes the dependence of the temperature of the gas discharge lamp on the dimming position, time and color location.
- the operating device adjusts the color location of the differently colored semiconductor light sources to the color locus of the gas discharge lamp.
- the semiconductor light sources may be organized in groups, so that a plurality of semiconductor light sources are provided for each color.
- Another possibility is to use a sensor for the total brightness and the color locus and to control the lamps in such a way that the values for the individual brightnesses, for the total brightness and for the two color locations of the different light sources can be measured and adjusted.
- the measurements must be made when only the light source to be measured is turned on. This is relatively easy in the lower dimming range, since the light sources are driven pulsed and thus there are always times when only the light source to be measured lights up. If the activation does not result in a suitable time, then the control of the operating device for a measurement can switch off all non-metered lamps. Since this period is very short, it can not be perceived by the human eye.
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Abstract
Description
Die Erfindung bezieht sich auf das Gebiet der dimmbaren Betriebsgeräte für Lichtquellen, spezifisch auf dimmbare Betriebsgeräte für den kombinierten Betrieb von Gasentladungslampen und Halbleiterlichtquellen.The invention relates to the field of dimmable control gear for light sources, specifically to dimmable control gear for the combined operation of gas discharge lamps and semiconductor light sources.
Die Erfindung geht aus von dimmbaren Betriebsgeräten für den kombinierten Betrieb von Gasentladungslampen und Halbleiterlichtquellen nach der Gattung des Hauptanspruchs. Bisher wurde bei Leuchten, die neben den seit längeren verwendeten Gasentladunslampen auch Halbleiterlichtquellen wie Leuchtdioden einsetzen, jede Lichtquelle für sich angesehen. Bei dimmbaren Leuchten ist jede Lichtquelle für sich dimmbar, jedoch werden beide Lichtquellen nicht als Einheit angesehen.The invention is based on dimmable operating devices for the combined operation of gas discharge lamps and semiconductor light sources according to the preamble of the main claim. So far, in light fixtures, which also use semiconductor light sources such as light-emitting diodes in addition to the gas discharge lamps that have been used for a long time, every light source has been considered as such. With dimmable lights, each light source is dimmable, but both light sources are not considered as one unit.
Aus der
Leuchtstofflampen können zwar mit entsprechenden technischen Aufwand bis auf 1% des Nennlichtes gedimmt werden, jedoch sinkt der Wirkungsgrad bei diesen niedrigen Dimmstellungen erheblich. Auch kann sich der Farbort des abgegebenen Lichtes Verändern, da bei sehr niedrigen Leistungen die Lampe stark abkühlt und der Argonentladung gegenüber der Quecksilberentladung mehr Gewicht verleiht.Although fluorescent lamps can be dimmed with the appropriate technical effort to 1% of the nominal light, but the efficiency drops significantly at these low dimming positions. Also, the color of the emitted light can change, as at very low Performs the lamp cools strongly and gives the argon charge over the mercury discharge more weight.
Es ist daher wünschenswert, für sehr niedrige Dimmstellungen eine besser dimmbare Lichtquelle wie z.B. eine Halbleiterlichtquelle vorzusehen. Um die Komplexität der Ansteuerung der beiden Lichtquellen niedrig zu halten, ist es sinnvoll, beide Lichtquellen mit einem Betriebsgerät zu betreiben.It is therefore desirable, for very low dimming positions, to use a more dimmable light source, e.g. to provide a semiconductor light source. In order to keep the complexity of controlling the two light sources low, it makes sense to operate both light sources with one operating device.
Es ist Aufgabe der Erfindung, ein dimmbares Betriebsgerät für den kombinierten Betrieb von Gasentladungslampen und Halbleiterlichtquellen zu schaffen, dass eine gemeinsame Dimmsteuerung für beide Lichtquellen beinhaltet, mittels der das von den Leuchtmitteln des Betriebsgerätes abgegebene Licht von einer Nennlichtstärke bis auf 1‰ oder weniger heruntergedimmt werden kann.It is an object of the invention to provide a dimmable operating device for the combined operation of gas discharge lamps and semiconductor light sources, which includes a common dimming control for both light sources, by means of which the output from the lamps of the operating device light from a nominal light intensity down to 1 ‰ or less dimmed can.
Die Lösung der Aufgabe erfolgt erfindungsgemäß mit den Merkmalen des Vorrichtungsanspruchs 1 und des Verfahrensanspruchs 10.The object is achieved according to the invention with the features of the
Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben.Advantageous developments of the invention are specified in the dependent claims.
Das Betriebsgerät enthält hierzu Schaltungen, die beide Leuchtmittel gedimmt betreiben können. Für die Dimmsteuerung ist ein Eingang vorhanden, der eine Schnittstelle zu einem analogen oder digitalen Lichtsteuerbus darstellen kann. Als analoger Bus wird üblicherweise ein 1-10V-Bus verwendet, als digitale Schnittstelle kommt meistens das DALI-Protokoll zur Verwendung. Die digitale Schnittstelle kennt auch Lichtsteuerbefehle und Lichtszenarien, die im Betriebsgerät abgespeichert werden. Wird ein Signal in diesen Eingang eingegeben, so steuert das Betriebsgerät die Lichtabgabe beider Lichtquellen entsprechend dem eingegebenen Dimmlevel.For this purpose, the operating device contains circuits that can operate both lamps dimmed. For the dimming control there is an input which can be an interface to an analog or digital light control bus. As an analog bus usually a 1-10V bus is used, as a digital interface Mostly the DALI protocol is used. The digital interface also knows light control commands and lighting scenarios that are stored in the operating device. If a signal is input to this input, the operating device controls the light output of both light sources according to the entered dimming level.
Dabei wird je nach Dimmlevel das eine oder das andere Leuchtmittel verwendet, und eine interne Steuerung sorgt dafür, dass der Übergang von einem zum anderen Leuchtmittel dem menschlichen Auge verborgen bleibt. Für einen gewissen Dimmbereich werden beide Leuchtmittel verwendet, um einen sehr sanften Übergang realisieren zu können.Depending on the dimming level, one or the other light source is used, and an internal control ensures that the transition from one light source to the other remains hidden to the human eye. For a certain dimming range, both bulbs are used to realize a very smooth transition.
Die beiden verschiedenen Lichtquellen sollten in der Leuchte so platziert werden, dass die Lichtverteilung beider Leuchtmittel ähnlich ist. Nur so kann die Leuchte ohne sichtbare optische Abweichungen in einem weiten Bereich gedimmt werden.The two different light sources should be placed in the luminaire so that the light distribution of both bulbs is similar. Only then can the luminaire be dimmed within a wide range without visible optical deviations.
Die LEDs oder OLEDs leuchten im unteren Dimmbereich, z.B. von 1 ‰ bis 10 %. Ab einer Dimmstellung von 3% werden die Gasentladungslampen dazugeschaltet. Zum Zeitpunkt der Lampenzündung wird Zeitgleich die Lichtleistung der LEDs sprunghaft gesenkt, um die Gesamtlichtstärke der Leuchte nicht zu ändern. Um den kurzen Lichtblitz der Gasentladungslampe, den sie beim Zünden abgibt, möglichst gut zu kompensieren, wäre es auch denkbar die LEDs für den Augenblick der Lampenzündung ganz abzuschalten. Im Bereich zwischen 3% und 10% werden beide Leuchtmittel sukzessive in der Lichtleistung hochgefahren. Bei 10% Dimmstellung werden die LEDs abgeschaltet und die Leistung der Gasentladungslampe sprunghaft angehoben, um wiederum die abgegebene Lichtmenge beizubehalten. Ab da wird die Gasentladungslampe bis zu ihrer Nennleistung heraufgedimmt.The LEDs or OLEDs light in the lower dimming range, e.g. from 1 ‰ to 10%. From a dimming position of 3%, the gas discharge lamps are switched on. At the time of the lamp ignition, the light output of the LEDs is suddenly reduced at the same time so as not to change the total luminous intensity of the lamp. In order to compensate as well as possible for the short flash of light of the gas discharge lamp, which it emits when ignited, it would also be conceivable to completely switch off the LEDs for the moment of the lamp ignition. In the range between 3% and 10%, both lamps are gradually increased in light output. At 10% dimming, the LEDs are turned off and the power of the gas discharge lamp is suddenly increased to maintain the amount of light emitted. From there, the gas discharge lamp is dimmed up to its rated power.
Diese Maßnahmen stellen sicher, dass die Übergänge zwischen den Leuchtmittelkategorien vom menschlichen Auge kaum wahrgenommen werden können. Es besteht aber noch ein Problem hinsichtlich des Farborts des abgestrahlten Lichts. Leuchtstofflampen haben zwar einen definierten Farbort bei Nennleistung, dieser kann sich jedoch je nach Dimmzustand ändern. Vor allem bei niedrigen Dimmstellungen kühlt die Lampe ab. Dies hat zur Folge, dass die Quecksilberentladung zurückgeht, da das Quecksilber an kühlen Stellen der Lampe auskondensiert und somit nicht mehr für die Entladung zur Verfügung steht. Damit erhöht sich aber der Anteil der Argonentladung, was zu einem Abwandern des Farborts ins Rote führt.These measures ensure that the transitions between the categories of lamps can hardly be perceived by the human eye. However, there is still a problem regarding the color location of the emitted light. Although fluorescent lamps have a defined color location at rated power, this can change depending on the dimming condition. Especially at low dimming the lamp cools down. As a result, the Mercury discharge decreases because the mercury condenses in cool places of the lamp and thus is no longer available for the discharge. But this increases the proportion of the Argon charge, which leads to a migration of the color point to the red.
Daher kann der Übergang zwischen den beiden Leuchtmittelkategorien trotz gleicher Helligkeit sichtbar werden. Dies ist vor allem der Fall, wenn die Leuchte längere Zeit im unteren Dimmbereich betrieben wurde, bei dem die Gasentladungslampe stark gedimmt oder ganz abgeschaltet ist. Dann kühlt die Lampe ab und ändert ihre Farbe oder ist beim Start soweit abgekühlt, dass sie eine etwas andere Farbe als im Nennlichtbetrieb abgibt.Therefore, the transition between the two lamp categories can be visible despite the same brightness. This is especially the case when the lamp has been operated for a long time in the lower dimming range, in which the gas discharge lamp is strongly dimmed or completely switched off. Then the lamp cools down and changes its color or is cooled down at the start so far that it gives a slightly different color than in the nominal light mode.
Daher hat das Betriebsgerät in der zweiten Ausführungsform Ausgänge für verschiedenfarbige Leuchtdioden. Bevorzugt gibt es drei Ausgänge für farbig leuchtende Dioden. Diese können dann in roter, grüner und blauer Farbe leuchten, und das Licht aller Halbleiterlichtquellen kann sich so der Lichtfarbe der Gasentladungslampe anpassen.Therefore, the operating device in the second embodiment has outputs for different colored LEDs. There are preferably three outputs for colored LEDs. These can then shine in red, green and blue color, and the light of all semiconductor light sources can adapt to the light color of the gas discharge lamp.
Dazu kann im Betriebsgerät ein Kennfeld eingespeichert sein, das die Abhängigkeit der Temperatur der Gasentladungslampe über die Dimmstellung, die Zeit und den Farbort beschreibt. Bei niedrigen Dimmstellungen, bei denen die Halbleiterlichtquellen eingeschaltet sind, stellt das Betriebsgerät dann den Farbort der verschiedenfarbig leuchtenden Halbleiterlichtquellen auf den Farbort der Gasentladungslampe ein. Die Halbleiterlichtquellen können natürlich in Gruppen organisiert sein, so dass für jede Farbe auch mehrere Halbleiterlichtquellen vorgesehen sind.For this purpose, a map can be stored in the operating device, which describes the dependence of the temperature of the gas discharge lamp on the dimming position, time and color location. At low dimming positions, in which the semiconductor light sources are switched on, the operating device then adjusts the color location of the differently colored semiconductor light sources to the color locus of the gas discharge lamp. Of course, the semiconductor light sources may be organized in groups, so that a plurality of semiconductor light sources are provided for each color.
Eine andere Möglichkeit besteht darin, für die Gesamthelligkeit und den Farbort einen Sensor zu verwenden, und die Lampen so zu steuern, dass die Werte für die Einzelhelligkeiten, für die Gesamthelligkeit und für die beiden Farborte der unterschiedlichen Lichtquellen gemessen und eingeregelt werden können. Dazu müssen die Messungen dann vorgenommen werden, wenn nur das zu messende Leuchtmittel eingeschaltet ist. Dies ist im unteren Dimmbereich relativ einfach, da die Lichtquellen gepulst angesteuert werden und es somit immer Zeitpunkte gibt, in denen nur das zu messende Leuchtmittel leuchtet. Ergibt sich aus der Ansteuerung kein geeigneter Zeitpunkt, so kann die Steuerung des Betriebsgerätes für eine Messung alle nichtzumessenden Leuchtmittel ausschalten. Da dieser Zeitraum sehr kurz ist, kann er vom menschlichem Auge nicht wahrgenommen werden.Another possibility is to use a sensor for the total brightness and the color locus and to control the lamps in such a way that the values for the individual brightnesses, for the total brightness and for the two color locations of the different light sources can be measured and adjusted. For this, the measurements must be made when only the light source to be measured is turned on. This is relatively easy in the lower dimming range, since the light sources are driven pulsed and thus there are always times when only the light source to be measured lights up. If the activation does not result in a suitable time, then the control of the operating device for a measurement can switch off all non-metered lamps. Since this period is very short, it can not be perceived by the human eye.
Claims (11)
- Dimmable operating device (1) for the combined operation of gas discharge lamps (2) and semiconductor light sources (3), characterized in that only the semiconductor light sources (3) are operated in the lower dimming range and only the gas discharge lamps (2) are operated in the upper dimming range, and at the changeover points at which one sort of light source is switched off or on, at the same time a jump in power is applied to the other sort of light source, with the result that the human eye cannot perceive, or can only perceive with difficulty, the changeover point.
- Dimmable operating device (1) according to Claim 1, characterized in that the point at which the efficiencies of the two light sources are approximately equal is in the dimming range in which the two light sources are switched on.
- Dimmable operating device (1) according to Claim 1 or 2, characterized in that the operating device (1) has three outputs for semiconductor light sources which emit monochromatic light.
- Dimmable operating device (1) according to Claim 3, characterized in that a family of characteristics which describes the dependence of the temperature of the gas discharge lamps (2) as a function of the dimming setting, the time and the color locus is stored in the operating device (1), and in that the operating device (1) sets the color locus of the gas discharge lamps (2) at dimming settings at which the semiconductor light sources (3) are switched on, via corresponding driving of the three groups of semiconductor light sources (3) which emit light of different colors.
- Dimmable operating device (1) according to Claim 3, characterized in that the operating device (1) measures the color locus of the gas discharge lamps (2) at dimming settings at which the semiconductor light sources (3) are switched on and at a time at which precisely no semiconductor light sources (3) emit light, and sets the semiconductor light sources (3) to this color locus.
- Dimmable operating device (1) according to Claim 5, characterized in that the operating device (1) also measures the brightnesses of the gas discharge lamps (2) and of the semiconductor light sources (3) as well as the color locus of the semiconductor light sources (3) at suitable times and adjusts the semiconductor light sources (3) in such a way that the brightness and the color locus correspond to the desired values.
- Dimmable operating device (1) according to one of the preceding claims, characterized in that the semiconductor light sources are inorganic light-emitting diodes.
- Dimmable operating device (1) according to one of the preceding claims, characterized in that the semiconductor light sources are organic light-emitting diodes.
- Dimmable operating device (1) according to one of the preceding claims, characterized in that the operating device has a control interface to which a control signal is input, the operating device converting the control signal into an internal light control signal and the semiconductor light sources as well as the gas discharge lamps being dimmed by this light control signal.
- Method for operating and dimming semiconductor light sources (3) and gas discharge lamps (2), characterized in that exclusively semiconductor light sources (3) are operated in the lower dimming range and exclusively gas discharge lamps (2) are operated in the upper dimming range, and in that a range is provided in which both light sources are operated, the changeover points at which one light source is switched on and the other light source is switched off being designed in such a way that the overall brightness of the system remains the same.
- Method according to Claim 10, characterized in that the point at which the efficiencies of the two light sources are approximately equal is in the dimming range in which the two light sources are switched on.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102007013742A DE102007013742A1 (en) | 2007-03-22 | 2007-03-22 | Operating device and method for the combined operation of gas discharge lamps and semiconductor light sources |
PCT/EP2008/052290 WO2008113658A1 (en) | 2007-03-22 | 2008-02-26 | Operating device and method for the combined operation of gas discharge lamps and semiconductor light sources |
Publications (3)
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EP2138012A1 EP2138012A1 (en) | 2009-12-30 |
EP2138012B1 true EP2138012B1 (en) | 2011-08-24 |
EP2138012B8 EP2138012B8 (en) | 2012-02-08 |
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EP08717124A Not-in-force EP2138012B8 (en) | 2007-03-22 | 2008-02-26 | Operating device and method for the combined operation of gas discharge lamps and semiconductor light sources |
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US (1) | US8502458B2 (en) |
EP (1) | EP2138012B8 (en) |
JP (1) | JP5200036B2 (en) |
KR (1) | KR20090125835A (en) |
CN (1) | CN101622908B (en) |
AT (1) | ATE522120T1 (en) |
DE (1) | DE102007013742A1 (en) |
TW (1) | TWI446837B (en) |
WO (1) | WO2008113658A1 (en) |
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DE102010011157A1 (en) | 2010-03-12 | 2011-09-15 | Vossloh-Schwabe Deutschland Gmbh | Operating apparatus for use as ballast in e.g. high-intensity discharge lamp in room for illumination purposes, has control device comprising control channel to control light source under consideration of control variables |
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CN1925715B (en) | 2005-08-31 | 2011-05-18 | 东芝照明技术株式会社 | Bulb-shaped fluorescent lamp device |
JP2007148095A (en) * | 2005-11-29 | 2007-06-14 | Sharp Corp | Liquid crystal display device |
US7218056B1 (en) * | 2006-03-13 | 2007-05-15 | Ronald Paul Harwood | Lighting device with multiple power sources and multiple modes of operation |
US7498753B2 (en) * | 2006-12-30 | 2009-03-03 | The Boeing Company | Color-compensating Fluorescent-LED hybrid lighting |
-
2007
- 2007-03-22 DE DE102007013742A patent/DE102007013742A1/en not_active Withdrawn
-
2008
- 2008-02-26 WO PCT/EP2008/052290 patent/WO2008113658A1/en active Application Filing
- 2008-02-26 US US12/532,151 patent/US8502458B2/en not_active Expired - Fee Related
- 2008-02-26 EP EP08717124A patent/EP2138012B8/en not_active Not-in-force
- 2008-02-26 KR KR1020097022104A patent/KR20090125835A/en active IP Right Grant
- 2008-02-26 AT AT08717124T patent/ATE522120T1/en active
- 2008-02-26 JP JP2009553989A patent/JP5200036B2/en not_active Expired - Fee Related
- 2008-02-26 CN CN2008800066694A patent/CN101622908B/en not_active Expired - Fee Related
- 2008-03-17 TW TW097109292A patent/TWI446837B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN101622908B (en) | 2011-06-08 |
EP2138012A1 (en) | 2009-12-30 |
DE102007013742A1 (en) | 2008-10-02 |
EP2138012B8 (en) | 2012-02-08 |
TWI446837B (en) | 2014-07-21 |
US8502458B2 (en) | 2013-08-06 |
ATE522120T1 (en) | 2011-09-15 |
TW200904257A (en) | 2009-01-16 |
CN101622908A (en) | 2010-01-06 |
KR20090125835A (en) | 2009-12-07 |
US20100084982A1 (en) | 2010-04-08 |
JP5200036B2 (en) | 2013-05-15 |
JP2010521790A (en) | 2010-06-24 |
WO2008113658A1 (en) | 2008-09-25 |
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