EP3741190A4 - Ripple suppression circuit, controlling method and driving equipment - Google Patents
Ripple suppression circuit, controlling method and driving equipment Download PDFInfo
- Publication number
- EP3741190A4 EP3741190A4 EP18907985.8A EP18907985A EP3741190A4 EP 3741190 A4 EP3741190 A4 EP 3741190A4 EP 18907985 A EP18907985 A EP 18907985A EP 3741190 A4 EP3741190 A4 EP 3741190A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- controlling method
- suppression circuit
- driving equipment
- ripple suppression
- ripple
- 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.)
- Pending
Links
- 230000001629 suppression Effects 0.000 title 1
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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
-
- 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
- H05B45/36—Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
-
- 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]
-
- 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]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective 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]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
- H05B45/59—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Conversion In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2018/077508 WO2019165589A1 (en) | 2018-02-28 | 2018-02-28 | Ripple suppression circuit, controlling method and driving equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3741190A1 EP3741190A1 (en) | 2020-11-25 |
EP3741190A4 true EP3741190A4 (en) | 2021-09-01 |
Family
ID=67804757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18907985.8A Pending EP3741190A4 (en) | 2018-02-28 | 2018-02-28 | Ripple suppression circuit, controlling method and driving equipment |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3741190A4 (en) |
CN (1) | CN111742618A (en) |
WO (1) | WO2019165589A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021248266A1 (en) | 2020-06-08 | 2021-12-16 | Tridonic Gmbh & Co Kg | Ripple suppression circuit, controlling method and driving equipment |
CN114222398A (en) * | 2021-12-31 | 2022-03-22 | 厦门普为光电科技有限公司 | High-luminous-efficiency light-emitting diode lighting device driver and method for improving luminous efficiency of light-emitting diode lighting device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011084525A1 (en) * | 2009-12-16 | 2011-07-14 | Exclara, Inc. | Adaptive current regulation for solid state lighting |
US20140176017A1 (en) * | 2012-12-24 | 2014-06-26 | Chengdu Monolithic Power Systems Co. Ltd. | Power supply system, ripple suppression circuit and associated method |
EP2955826A1 (en) * | 2014-06-12 | 2015-12-16 | Power Integrations, Inc. | Line ripple compensation for shimmerless led driver |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2184260Y (en) * | 1994-03-08 | 1994-11-30 | 陕西省泾阳县长城电器厂 | Cadmium nickel battery |
JP3087618B2 (en) * | 1995-07-27 | 2000-09-11 | 株式会社村田製作所 | Switching power supply |
JP3710763B2 (en) * | 2002-05-17 | 2005-10-26 | コーセル株式会社 | Self-excited switching power supply |
CN101383507A (en) * | 2007-09-03 | 2009-03-11 | 和舰科技(苏州)有限公司 | Electro-static discharging protection circuit |
TWI355126B (en) * | 2007-11-30 | 2011-12-21 | Altek Corp | Protect circuit of car power |
DE202008003140U1 (en) | 2008-03-05 | 2009-08-06 | Tridonicatco Schweiz Ag | Operating device for bulbs |
CN101527450A (en) * | 2009-04-10 | 2009-09-09 | 合肥金星机电科技发展有限公司 | Protective device for video transmission |
CN203618174U (en) * | 2013-12-06 | 2014-05-28 | 英飞特电子(杭州)有限公司 | Protective circuit for reducing current source ripple |
CN207022254U (en) * | 2017-07-07 | 2018-02-16 | 深圳市朗动电子科技有限公司 | A kind of automatic LED drive power for removing stroboscopic |
-
2018
- 2018-02-28 EP EP18907985.8A patent/EP3741190A4/en active Pending
- 2018-02-28 WO PCT/CN2018/077508 patent/WO2019165589A1/en unknown
- 2018-02-28 CN CN201880089858.6A patent/CN111742618A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011084525A1 (en) * | 2009-12-16 | 2011-07-14 | Exclara, Inc. | Adaptive current regulation for solid state lighting |
US20140176017A1 (en) * | 2012-12-24 | 2014-06-26 | Chengdu Monolithic Power Systems Co. Ltd. | Power supply system, ripple suppression circuit and associated method |
EP2955826A1 (en) * | 2014-06-12 | 2015-12-16 | Power Integrations, Inc. | Line ripple compensation for shimmerless led driver |
Non-Patent Citations (1)
Title |
---|
See also references of WO2019165589A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP3741190A1 (en) | 2020-11-25 |
CN111742618A (en) | 2020-10-02 |
WO2019165589A1 (en) | 2019-09-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20200819 |
|
AK | Designated contracting states |
Kind code of ref document: A1 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 |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20210803 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H05B 45/36 20200101AFI20210728BHEP Ipc: H05B 45/3725 20200101ALI20210728BHEP Ipc: H05B 45/50 20200101ALI20210728BHEP Ipc: H05B 47/10 20200101ALI20210728BHEP Ipc: H05B 47/20 20200101ALI20210728BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20221024 |