EP3154316A1 - Lampe à del avec circuit de commande - Google Patents
Lampe à del avec circuit de commande Download PDFInfo
- Publication number
- EP3154316A1 EP3154316A1 EP16192574.8A EP16192574A EP3154316A1 EP 3154316 A1 EP3154316 A1 EP 3154316A1 EP 16192574 A EP16192574 A EP 16192574A EP 3154316 A1 EP3154316 A1 EP 3154316A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- voltage converter
- switch
- luminaire
- voltage
- current
- 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.)
- Granted
Links
- 230000004907 flux Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- 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
- H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/62—One or more circuit elements structurally associated with the lamp
- H01K1/64—One or more circuit elements structurally associated with the lamp with built-in switch
-
- 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
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
-
- 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
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/385—Switched mode power supply [SMPS] using flyback topology
-
- 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
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/39—Circuits containing inverter bridges
Definitions
- the invention relates to a control circuit for adjusting an output current of a voltage converter, and a lamp with such a control circuit, in particular for use in lights with LED bulbs.
- Electric light sources are operated with supply voltages and supply currents, which are usually tuned to the nature and characteristics of the light sources.
- this tuning is often realized via converter circuits or converter circuits which rectify an input AC voltage in a DC supply voltage with a predetermined direct current.
- the power consumption and thus the brightness can be adjusted with LEDs.
- Constant-current converter circuits regulate the output current so that the operating current of one or more LED modules is within the optimum range.
- the output current value setpoint is preset at the factory in conventional converter circuits for LED luminaires.
- the brightness of the lamp is invariable.
- Various approaches in the prior art try for a user of such LED lights to create freedom in the choice of the brightness of the LEDs:
- the document WO 2010/021675 A1 discloses an LED lamp with a built-in base converter circuit whose output current can be controlled via a likewise integrated in the base switching mechanism.
- the publication DE 10 2010 002 996 A1 discloses a lighting arrangement with an LED lamp and a base, in which an operating element for adjusting the luminous properties of the LED lamp is integrated.
- a luminaire comprises a luminous means carrier, at least one LED illuminant which is arranged on the illuminant carrier, and a voltage converter circuit which is designed to supply the at least one LED illuminant with electric current and which in its Output current is adjustable.
- Fig. 1 shows a schematic illustration of a lamp 20.
- the lamp 20 is equipped with one or more bulbs 22 on LED (LED) basis.
- the LED lighting means 22 may comprise, for example, series circuits of LED chips arranged on a light source carrier 21.
- the luminaire 20 furthermore comprises electrical circuits which are arranged to supply power to the LED luminous means 22 on the illuminant carrier 21.
- the LED lighting means 22 can be supplied with a supply voltage via a voltage converter circuit not explicitly shown.
- the voltage converter circuit is designed to be the one or the LED bulb 22 to provide electrical power.
- the voltage converter circuit can be regulated in its output current. Due to the controllability of the output current, the luminous flux which is generated by the LED illuminant 22 or the illuminant 22 can be set to desired values.
- the output current of the voltage converter circuit may be adjustable in at least two discrete stages, whereby the LED lamps 22 are adjustable to two different brightness levels.
- the output current of the voltage converter circuit may also be controllable continuously in an output current range, for example by using a potentiometer.
- the potentiometer can be integrated, for example, in the light source carrier 21. As a result, the LED lighting means 22 can be operated with continuously varying brightness.
- the voltage converter circuit may comprise a rectifier, with which an AC mains voltage can be converted into a DC voltage, and a power converter with which a constant and controllable DC output current can be output to the LED illuminant 22 at a predetermined output voltage level.
- the electrical circuits can be, for example, on the viewer of the Fig. 1 remote side of the illuminant carrier 21 are arranged.
- the voltage converter circuit can be installed in an electronic ballast, electronic ballast, the lamp 20.
- the luminaire 20 can be, for example, an LED strip which has a generally elongated shape and whose illuminant carrier 21 is embedded as a strip in a luminous means housing 23.
- a luminaire cover can be arranged flush with the illuminant housing 23, which makes the illuminant carrier 21, the LED illuminant 22 and the electrical circuits inaccessible to a user of the luminaire 20.
- the luminaire 20 furthermore has a switch 10, which is arranged in a switch housing 11 on the illuminant carrier 21 or in the vicinity of the illuminant carrier 21.
- the switch 10 has an actuating element 12, the actuation of which serves to set the setpoint output current of the voltage converter circuit - here a setpoint output direct current.
- the actuating element 12 may, for example, be designed so that it can be brought into a plurality of different switching positions which have different values for correlate the adjustable nominal output DC current.
- the actuator 12 may be a slider which can be reciprocated linearly in a recess of the switch housing. In this case, the actuating element 12 can be formed mechanically such that it can engage in the various switching positions and thus set the target output DC.
- the actuator 12 may also include a knob, a button, a selector lever, a rocker switch, a toggle switch, a detent switch, a pull switch or a similar mechanical control.
- a one-way switch is provided for the switch 10, which remains irreversibly deactivated after a single setting of an operating position.
- this can be arranged in the interior of a housing of the switch 10, a mechanical gearing or a ratchet mechanism, which triggers an irreversible self-holding mechanism in an operation. This can be particularly advantageous if only a one-time factory setting of a brightness value is desired, and a user of the lamp no further adjustment is to be granted.
- the user can set the luminous intensity or brightness of the LED illuminant 22 supplied by the voltage converter circuit, which is dependent on the set nominal output DC current of the voltage converter circuit.
- the brightness of the luminaire 20 can thus be adapted on-site during the installation of the luminaire 20 by a technician as required and flexibly, without having to make any special arrangements or presettings by the luminaire manufacturer.
- the switch 20 can be arranged in such a way in the lamp housing 23 that it is not visible or not easily accessible to the viewer in the ordinary use of the lamp 20 behind the lamp cover for the viewer. As a result, the aesthetics of the lamp 20 is not diminished, at the same time the basic accessibility by an installer, electrical engineers or maintenance personnel is not significantly affected.
- Fig. 2 shows a schematic representation of a switch 10, as in a lamp 20 of the Fig. 1 can be installed.
- the switch 10 may comprise a switch housing 11, which is formed, for example, box-shaped or parallelepiped. It may of course be possible, another outer geometric shape for the switch housing 11 to choose, for example, adapted to a recess in the lamp housing 21 of the lamp 20 shape.
- the switch 10 also has an actuating element 12 in the form of a slide control.
- the slider 12 can be switched in a recess of the switch housing 11 along a displacement between a plurality of switch positions.
- a scale 13 can be printed or embossed with labels for the various switch positions on the switch housing 11.
- Fig. 3 shows a schematic sectional view through the switch 10 of Fig. 2 ,
- the mechanical actuator 12 which protrudes from the switch housing 11 for manual movement by a user, is mechanically coupled in the switch housing 11 with a connecting bridge 14.
- the mechanical actuator 12 may be made of an electrically insulating material such as plastic
- the connecting bridge 14 is made of an electrically conductive material, such as metal.
- the connecting bridge 14 serves as an electrical connecting bracket between an input contact 15 of the switch 10 on the one hand and a plurality of branch contacts 16a, 16b, 16c on the other.
- the connecting bridge 14 can be configured as a resilient clamp with contact elements 14a or 14b formed at both ends of the clamp, which contact the input contact 15 or respectively one of the plurality of branch contacts 16a, 16b, 16c in a springy and flat manner.
- the mechanical actuator 12 can move the connecting bridge 14 in the switch housing 11 between different positions back and forth, in which the contact element 14a the input contact 15 via the connecting bridge 14 electrically with one of the along the direction of the displacement of the mechanical actuator 12th arranged branch contacts 16a, 16b, 16c connects.
- a second switch position is indicated in dashed lines, in which the input contact 15 is electrically conductively connected to the branch contact 16c via the connection bridge 14.
- Fig. 4 and 5 each one Voltage converter circuits, in particular voltage converter circuits for a lamp 20, such as in connection with Fig. 1 explained.
- the voltage converter circuits each comprise an input terminal 2a, a voltage converter 4 connected to the input terminal 2a, the output of which is coupled to at least one power sensor 3, and an output terminal 2b.
- the power sensor 3 can be, for example, an LED illuminant 22 or a matrix of LED illuminants 22.
- a DC voltage may be present between the terminals 2a, 2b.
- an alternating voltage can also be applied between the terminals 2a, 2b, in which case a further (not explicitly shown) rectifier can be arranged in front of the voltage converter 4, so that between the nodes 6a and 6b in FIG Fig. 4 a DC voltage is applied.
- the voltage converter 4 may be, for example, a transformer with galvanic isolation, such as a flyback converter or a push-pull flow converter.
- the type of voltage converter 4 is not limited to specific converter types - the voltage converter 4 only has to be designed to output a predefined setpoint output voltage with a controllable setpoint output current.
- Fig. 4 shows a first variant of a voltage converter circuit.
- a control circuit 1 for the voltage converter 4 is connected in parallel to the voltage converter 4.
- the control circuit 1 comprises the switch 10 whose input contact 15 is connected to the node 6a between the input terminal 2a and the input of the voltage converter 4.
- the switch 10 has a contactor 18 which, depending on the switching position of the associated (in Fig. 4 not shown) mechanical actuator 12 electrically connects the input contact 15 with one of the branch contacts 16a, 16b, 16c.
- Each of the branch contacts 16a, 16b, 16c forms a current-carrying branch, in each of which a resistor 17a, 17b, 17c is arranged.
- the resistors 17a, 17b, 17c can be shunt resistors of different resistance value, for example. After the resistors 17a, 17b, 17c, the current-carrying branches are again fed out of the switch 10 into a node 6b between the output of the voltage converter 4 and the output terminal 2b.
- the control circuit 1 further comprises a detector circuit 5, which is designed to detect in which of the current-carrying branches a current that is, which of the branch contacts 16a, 16b, 16c is actively connected to the input contact 15.
- the detector circuit 5 can determine, for example, the voltage drop of the branch voltages Ua, Ub, Uc via the respective (shunt) resistors 17a, 17b, 17c.
- the detector circuit 5 can then generate a drive signal C for the voltage converter 4, which sets the voltage converter 4 to a predetermined desired output current.
- the predetermined desired output currents which can be adjusted via the drive signal C, can be adapted in particular to desired brightness values of the power pickup 3 configured as an LED light source.
- Fig. 5 shows a second variant for a voltage converter circuit.
- the voltage converter 4 in this case has two control inputs 4a and 4b, between which a control circuit 1 for the voltage converter 4 is connected.
- the control circuit 1 comprises the switch 10 whose input contact is connected to the first of the control inputs 4a.
- the switch 10 has a contactor 18 which, depending on the switching position of the associated (in Fig. 5 not shown) mechanical actuator 12 electrically conductively connects the first of the control inputs 4a with one of the branch contacts 16a, 16b, 16c.
- Each of the branch contacts 16a, 16b, 16c forms a current-carrying branch, in each of which a resistor 17a, 17b, 17c is arranged.
- the resistors 17a, 17b, 17c can have, for example, different resistance values.
- the current-carrying branches are again connected to the second of the control inputs 4b of the voltage converter 4 after the resistors 17a, 17b, 17c from the switch 10.
- the resistance value that is present in the branch between the two control inputs 4a and 4b of the voltage converter 4 is thus varied.
- one of the plurality of parallel-connected current-carrying branches is selectively coupled between the two control inputs 4a and 4b of the voltage converter (4).
- the Fig. 4 and 5 is selected by adjusting the actuating element 12 of the switch 10 one of the plurality of switching positions, so that on the variation of the output current of the voltage converter, the lumen of the lamp can be changed.
- luminaires equipped with such control circuits 1 can be supplied uniformly at the factory - the brightness of the luminaire can be adjusted flexibly via an adjustment of the switch 10 on site.
- electronic ballasts can be factory delivered uniformly, because the adaptation of the output current can be done after installation in the lamp via the built-in lamp light switch 10.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- User Interface Of Digital Computer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015219367.5A DE102015219367B4 (de) | 2015-10-07 | 2015-10-07 | Led-leuchte mit steuerschaltung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3154316A1 true EP3154316A1 (fr) | 2017-04-12 |
EP3154316B1 EP3154316B1 (fr) | 2018-03-28 |
Family
ID=57103908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16192574.8A Active EP3154316B1 (fr) | 2015-10-07 | 2016-10-06 | Lampe à del avec circuit de commande |
Country Status (4)
Country | Link |
---|---|
US (1) | US10143048B2 (fr) |
EP (1) | EP3154316B1 (fr) |
AT (1) | AT517758A3 (fr) |
DE (1) | DE102015219367B4 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3582591A1 (fr) * | 2018-06-14 | 2019-12-18 | H4X e.U. | Dispositif de commande pour un luminaire à del et procédé de commande d'un luminaire à del |
DE102019101348B3 (de) | 2019-01-18 | 2020-01-16 | Vossloh-Schwabe Deutschland Gmbh | Versorgungsschaltung zur Versorgung von Halbleiterleuchtelementen und Leuchtmittelschaltung |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11649953B2 (en) | 2020-05-11 | 2023-05-16 | Wangs Alliance Corporation | Fixtures, power and control systems for same |
CN117498894A (zh) * | 2022-08-02 | 2024-02-02 | 华为技术有限公司 | 通信装置及其通信控制方法、通信*** |
US11802682B1 (en) | 2022-08-29 | 2023-10-31 | Wangs Alliance Corporation | Modular articulating lighting |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010021675A1 (fr) | 2008-08-18 | 2010-02-25 | Superbulbs, Inc. | Ampoules réglables |
US20110068706A1 (en) * | 2009-09-18 | 2011-03-24 | Toshiba Lighting & Technology Corporation | Led lighting device and illumination apparatus |
DE102010002996A1 (de) | 2010-03-18 | 2011-09-22 | Osram Gesellschaft mit beschränkter Haftung | Lampenanordnung |
EP2496057A1 (fr) * | 2009-12-25 | 2012-09-05 | Osram AG | Système d'éclairage à del, lampe à del, et dispositif d'allumage pour del |
US20120280617A1 (en) * | 2009-08-07 | 2012-11-08 | Jack Josefowicz | Single-ended primary inductance converter (sepic) based power supply for driving multiple strings of light emitting diodes (leds) in roadway lighting fixtures |
US20130200812A1 (en) * | 2010-10-19 | 2013-08-08 | Koninklijke Philips Electronics N.V. | Led circuit arrangement |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH1167471A (ja) | 1997-08-26 | 1999-03-09 | Tec Corp | 照明装置 |
DE102004033980A1 (de) | 2004-07-14 | 2006-02-16 | Infineon Technologies Ag | Verfahren sowie Schaltungsanordnung zur Ansteuerung einer Last mit einem elektrischen Strom |
DE102008033176A1 (de) | 2008-07-15 | 2010-01-21 | Automotive Lighting Reutlingen Gmbh | Verfahren zum Herstellen einer Lichtquellenanordnung und Lichtquellenanordnung |
DE102008058524B4 (de) | 2008-11-21 | 2010-11-18 | Herbert Waldmann Gmbh & Co. Kg | Schaltungsanordnung für eine Leuchte mit Leuchtdioden |
TWI410173B (zh) * | 2009-12-01 | 2013-09-21 | Richtek Technology Corp | Led驅動器及驅動方法 |
DE102010005504A1 (de) | 2010-01-23 | 2011-07-28 | Abb Ag, 68309 | Unterputz-LED-Leuchte |
DE102010025082A1 (de) | 2010-06-25 | 2011-12-29 | Hella Kgaa Hueck & Co. | Beleuchtungsvorrichtung für Straßen |
JP5464204B2 (ja) * | 2011-12-28 | 2014-04-09 | 株式会社デンソー | 発光駆動装置 |
DE102012008502A1 (de) * | 2012-04-26 | 2013-10-31 | Tridonic Gmbh & Co. Kg | Betriebsgerät für ein Leuchtmittel und Verfahren |
ITPD20120260A1 (it) | 2012-09-07 | 2014-03-08 | Automotive Lighting Italia Spa | Circuito di pilotaggio di sorgenti luminose |
DE102013202282A1 (de) | 2013-02-13 | 2014-08-14 | Continental Automotive Gmbh | Lichtquelle und Verfahren zur Herstellung der Lichtquelle |
US20140265931A1 (en) | 2013-03-15 | 2014-09-18 | Hatch Transformers, Inc. | Electrical Power Supply With Removable Plug-In Cartridge |
CN104333933B (zh) * | 2013-07-22 | 2017-04-12 | 全汉企业股份有限公司 | 发光二极管驱动装置及应用其的发光二极管照明*** |
DE102014109466A1 (de) | 2014-01-17 | 2015-07-23 | Siteco Beleuchtungstechnik Gmbh | Schaltung zur LED-Stromversorgung |
US9456481B2 (en) * | 2014-02-25 | 2016-09-27 | Earl W. McCune, Jr. | High-efficiency, wide dynamic range dimming for solid-state lighting |
DE202014102007U1 (de) | 2014-04-29 | 2015-07-31 | Zumtobel Lighting Gmbh | Beleuchtungsanordnung mit Betriebsgerät zum Bereitstellen eines geeigneten Versorgungsstroms |
US9699836B2 (en) * | 2014-06-18 | 2017-07-04 | Farhad Bahrehmand | Multifunctional universal LED driver |
DE102014221360A1 (de) | 2014-10-21 | 2016-04-21 | Ridi Leuchten Gmbh | Leuchte mit Lampe |
-
2015
- 2015-10-07 DE DE102015219367.5A patent/DE102015219367B4/de active Active
- 2015-11-09 AT ATA50952/2015A patent/AT517758A3/de not_active Application Discontinuation
-
2016
- 2016-10-06 EP EP16192574.8A patent/EP3154316B1/fr active Active
- 2016-10-07 US US15/287,929 patent/US10143048B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010021675A1 (fr) | 2008-08-18 | 2010-02-25 | Superbulbs, Inc. | Ampoules réglables |
US20120280617A1 (en) * | 2009-08-07 | 2012-11-08 | Jack Josefowicz | Single-ended primary inductance converter (sepic) based power supply for driving multiple strings of light emitting diodes (leds) in roadway lighting fixtures |
US20110068706A1 (en) * | 2009-09-18 | 2011-03-24 | Toshiba Lighting & Technology Corporation | Led lighting device and illumination apparatus |
EP2496057A1 (fr) * | 2009-12-25 | 2012-09-05 | Osram AG | Système d'éclairage à del, lampe à del, et dispositif d'allumage pour del |
DE102010002996A1 (de) | 2010-03-18 | 2011-09-22 | Osram Gesellschaft mit beschränkter Haftung | Lampenanordnung |
US20130200812A1 (en) * | 2010-10-19 | 2013-08-08 | Koninklijke Philips Electronics N.V. | Led circuit arrangement |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3582591A1 (fr) * | 2018-06-14 | 2019-12-18 | H4X e.U. | Dispositif de commande pour un luminaire à del et procédé de commande d'un luminaire à del |
DE102019101348B3 (de) | 2019-01-18 | 2020-01-16 | Vossloh-Schwabe Deutschland Gmbh | Versorgungsschaltung zur Versorgung von Halbleiterleuchtelementen und Leuchtmittelschaltung |
Also Published As
Publication number | Publication date |
---|---|
US10143048B2 (en) | 2018-11-27 |
EP3154316B1 (fr) | 2018-03-28 |
AT517758A2 (de) | 2017-04-15 |
AT517758A3 (de) | 2018-08-15 |
DE102015219367B4 (de) | 2022-07-14 |
DE102015219367A1 (de) | 2017-04-13 |
US20170105254A1 (en) | 2017-04-13 |
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