EP3900494A4 - Power supply for lamp - Google Patents

Power supply for lamp Download PDF

Info

Publication number: EP3900494A4
Authority: EP; European Patent Office
Prior art keywords: lamp; power supply; supply; power
Prior art date: 2018-10-29
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

Application number

EP18938325.0A

Other languages

German (de)

French (fr)

Other versions

EP3900494A1 (en

EP3900494B1 (en

Inventor

Cui ZHOU

Xingming HE

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.)

Tridonic GmbH and Co KG

Original Assignee

Tridonic GmbH and Co KG

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.)

2018-10-29

Filing date

2018-10-29

Publication date

2022-05-18

2018-10-29 Application filed by Tridonic GmbH and Co KG filed Critical Tridonic GmbH and Co KG

2021-10-27 Publication of EP3900494A1 publication Critical patent/EP3900494A1/en

2022-05-18 Publication of EP3900494A4 publication Critical patent/EP3900494A4/en

2023-09-20 Application granted granted Critical

2023-09-20 Publication of EP3900494B1 publication Critical patent/EP3900494B1/en

Status Active legal-status Critical Current

2038-10-29 Anticipated expiration legal-status Critical

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]
- H05B45/30—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
- H05B45/32—Pulse-control 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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/39—Circuits containing inverter bridges

EP18938325.0A 2018-10-29 2018-10-29 Power supply for lamp Active EP3900494B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/CN2018/112333 WO2020087199A1 (en)	2018-10-29	2018-10-29	Power supply for lamp

Publications (3)

Publication Number	Publication Date
EP3900494A1 EP3900494A1 (en)	2021-10-27
EP3900494A4 true EP3900494A4 (en)	2022-05-18
EP3900494B1 EP3900494B1 (en)	2023-09-20

Family

ID=70462301

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18938325.0A Active EP3900494B1 (en)	2018-10-29	2018-10-29	Power supply for lamp

Country Status (3)

Country	Link
EP (1)	EP3900494B1 (en)
CN (1)	CN112970334B (en)
WO (1)	WO2020087199A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20050271149A1 (en) *	2004-06-03	2005-12-08	Timothy Dupuis	RF isolator for isolating voltage sensing and gate drivers
US20110204803A1 (en) *	2009-10-26	2011-08-25	Miroslaw Marek Grotkowski	Efficient electrically isolated light sources
CN106992664A (en) *	2016-01-21	2017-07-28	产晶积体电路股份有限公司	Isolated power conversion system
EP3319217A1 (en) *	2016-11-07	2018-05-09	Delta Electronics, Inc.	Multi-stage power converter and control method thereof

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1160964A3 (en) *	2000-06-01	2004-05-06	Sony Corporation	Power supplying apparatus and methods
CN101339747B (en) *	2007-07-03	2011-07-06	尼克森微电子股份有限公司	Primary side driven liquid crystal panel backlight circuit
US7885084B2 (en) *	2007-10-03	2011-02-08	System General Corp.	Control circuit for synchronous rectifying and soft switching of power converters
US7764516B2 (en) *	2008-02-21	2010-07-27	System General Corporation	Method and apparatus of providing synchronous regulation circuit for offline power converter
US8269432B2 (en) *	2009-09-14	2012-09-18	System General Corporation	Offline LED lighting circuit with dimming control
CN102300359A (en) *	2010-06-25	2011-12-28	首利实业股份有限公司	Power supply device of light emitting diode (LED) lamp
US8274242B2 (en) *	2010-07-19	2012-09-25	Solytech Enterprise Corporation	Power supply apparatus for an LED lamp
BR112014001467A2 (en) *	2011-07-25	2017-02-21	Koninklijke Philips Nv	system for implementing dimming based on the signal from the solid state lighting module, and method for providing dimming based on the signal from a LED module
US9118392B2 (en) *	2013-04-16	2015-08-25	Silicon Laboratories Inc.	Isolated serializer-deserializer
US9089012B2 (en) *	2013-05-24	2015-07-21	Terralux, Inc.	Secondary-side sensing of phase-dimming signal
CN104597822B (en) *	2013-10-31	2017-05-17	施耐德电器工业公司	Digital input line break detection method and circuit
DE102014202665A1 (en) *	2014-02-13	2015-08-27	Tridonic Gmbh & Co Kg	Driver circuit for LEDs
TWI551022B (en) *	2014-11-11	2016-09-21		Dynamic drive capability adjustment of the power control device
DE102015109692A1 (en) *	2015-06-17	2016-12-22	Infineon Technologies Austria Ag	Switching converter with signal transmission from secondary side to primary side
CN106714410B (en) *	2015-11-13	2019-11-29	台达电子工业股份有限公司	Light adjustable OnNow stabilizer light adjusting and controlling device
WO2017133001A1 (en) *	2016-02-05	2017-08-10	广东欧珀移动通信有限公司	Charging method, adapter, and mobile terminal
CN107579670B (en) *	2017-09-19	2020-02-18	东南大学	Constant voltage output control system of synchronous rectification primary side feedback flyback power supply
CN107766279B (en) *	2017-11-27	2023-09-05	惠州市蓝微电子有限公司	Battery communication isolation circuit and device

2018
- 2018-10-29 WO PCT/CN2018/112333 patent/WO2020087199A1/en unknown
- 2018-10-29 CN CN201880099175.9A patent/CN112970334B/en active Active
- 2018-10-29 EP EP18938325.0A patent/EP3900494B1/en active Active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20050271149A1 (en) *	2004-06-03	2005-12-08	Timothy Dupuis	RF isolator for isolating voltage sensing and gate drivers
US20110204803A1 (en) *	2009-10-26	2011-08-25	Miroslaw Marek Grotkowski	Efficient electrically isolated light sources
CN106992664A (en) *	2016-01-21	2017-07-28	产晶积体电路股份有限公司	Isolated power conversion system
EP3319217A1 (en) *	2016-11-07	2018-05-09	Delta Electronics, Inc.	Multi-stage power converter and control method thereof

Also Published As

Publication number	Publication date
EP3900494A1 (en)	2021-10-27
CN112970334B (en)	2023-09-29
CN112970334A (en)	2021-06-15
WO2020087199A1 (en)	2020-05-07
EP3900494B1 (en)	2023-09-20

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