EP2945466A3 - Light-emitting diode lighting device having multiple driving stages - Google Patents
Light-emitting diode lighting device having multiple driving stages Download PDFInfo
- Publication number
- EP2945466A3 EP2945466A3 EP15167698.8A EP15167698A EP2945466A3 EP 2945466 A3 EP2945466 A3 EP 2945466A3 EP 15167698 A EP15167698 A EP 15167698A EP 2945466 A3 EP2945466 A3 EP 2945466A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- current
- envelope
- controller
- lighting device
- light
- 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
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
- 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
-
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/277,029 US9226354B2 (en) | 2013-06-03 | 2014-05-13 | Light-emitting diode lighting device having multiple driving stages |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2945466A2 EP2945466A2 (en) | 2015-11-18 |
EP2945466A3 true EP2945466A3 (en) | 2016-07-20 |
Family
ID=53180571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15167698.8A Ceased EP2945466A3 (en) | 2014-05-13 | 2015-05-13 | Light-emitting diode lighting device having multiple driving stages |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2945466A3 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202017102336U1 (en) * | 2017-04-20 | 2018-07-23 | Zumtobel Lighting Gmbh | Circuit arrangement for operating bulbs |
CN113939063B (en) * | 2021-12-17 | 2022-03-22 | 深圳市明微电子股份有限公司 | LED system power supply control method and LED system with controllable power supply |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110194311A1 (en) * | 2010-02-09 | 2011-08-11 | Power Integrations, Inc. | Phase angle measurement of a dimming circuit for a switching power supply |
US20130127354A1 (en) * | 2010-12-07 | 2013-05-23 | Iml International | Two-terminal current controller and related led lighting device |
WO2013100736A1 (en) * | 2011-12-29 | 2013-07-04 | Seoul Semiconductor Co., Ltd | Led luminescence apparatus |
US20130257298A1 (en) * | 2012-03-29 | 2013-10-03 | Jeong In Cheon | Power compensation device and light emitting diode illumination apparatus having the same |
-
2015
- 2015-05-13 EP EP15167698.8A patent/EP2945466A3/en not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110194311A1 (en) * | 2010-02-09 | 2011-08-11 | Power Integrations, Inc. | Phase angle measurement of a dimming circuit for a switching power supply |
US20130127354A1 (en) * | 2010-12-07 | 2013-05-23 | Iml International | Two-terminal current controller and related led lighting device |
WO2013100736A1 (en) * | 2011-12-29 | 2013-07-04 | Seoul Semiconductor Co., Ltd | Led luminescence apparatus |
US20130257298A1 (en) * | 2012-03-29 | 2013-10-03 | Jeong In Cheon | Power compensation device and light emitting diode illumination apparatus having the same |
Also Published As
Publication number | Publication date |
---|---|
EP2945466A2 (en) | 2015-11-18 |
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Legal Events
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: H05B 33/08 20060101AFI20160616BHEP |
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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: IML HONGKONG LIMITED |
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Effective date: 20220401 |