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TWI561112B - Light source driving apparatus and light source driving method - Google Patents

Light source driving apparatus and light source driving method

Info

Publication number
TWI561112B
TWI561112B TW104119441A TW104119441A TWI561112B TW I561112 B TWI561112 B TW I561112B TW 104119441 A TW104119441 A TW 104119441A TW 104119441 A TW104119441 A TW 104119441A TW I561112 B TWI561112 B TW I561112B
Authority
TW
Taiwan
Prior art keywords
light source
source driving
driving method
driving apparatus
light
Prior art date
Application number
TW104119441A
Other languages
Chinese (zh)
Other versions
TW201635862A (en
Inventor
tianyu Deng
Original Assignee
Coretronic Suzhou Co Ltd
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.)
Filing date
Publication date
Application filed by Coretronic Suzhou Co Ltd filed Critical Coretronic Suzhou Co Ltd
Publication of TW201635862A publication Critical patent/TW201635862A/en
Application granted granted Critical
Publication of TWI561112B publication Critical patent/TWI561112B/en

Links

TW104119441A 2015-03-26 2015-06-16 Light source driving apparatus and light source driving method TWI561112B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510136623.6A CN106163027B (en) 2015-03-26 2015-03-26 Light source drive device and light source driving method

Publications (2)

Publication Number Publication Date
TW201635862A TW201635862A (en) 2016-10-01
TWI561112B true TWI561112B (en) 2016-12-01

Family

ID=57338927

Family Applications (1)

Application Number Title Priority Date Filing Date
TW104119441A TWI561112B (en) 2015-03-26 2015-06-16 Light source driving apparatus and light source driving method

Country Status (2)

Country Link
CN (1) CN106163027B (en)
TW (1) TWI561112B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120049741A1 (en) * 2010-08-24 2012-03-01 Zhijun Ye Current balance scheme for driving led strings and the method thereof
JP2013131466A (en) * 2011-12-22 2013-07-04 Rohm Co Ltd Control circuit of switching power supply for driving light-emitting element, and light-emitting device and electronic apparatus using the same
CN104185350A (en) * 2014-09-12 2014-12-03 南京矽力杰半导体技术有限公司 Multi-way LED constant current driving circuit and control method thereof
TW201501568A (en) * 2013-06-21 2015-01-01 Anpec Electronics Corp Light emitting element drive device

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101426312A (en) * 2007-10-29 2009-05-06 中华映管股份有限公司 Backlight device
CN101534594A (en) * 2008-03-12 2009-09-16 奇美电子股份有限公司 Short-circuit protection circuit of light-emitting diode string and method thereof
CN101583216B (en) * 2008-05-16 2012-08-29 原景科技股份有限公司 Light-emitting diode driving circuit and driving method
CN101956962B (en) * 2009-07-15 2015-11-25 联咏科技股份有限公司 Light-emitting diode device and method for avoiding soft start-up flickering
CN102003689B (en) * 2009-09-02 2012-07-18 联咏科技股份有限公司 Light-emitting diode device with simultaneous detection of open circuit and short circuit and method thereof
CN102011945B (en) * 2009-09-07 2012-06-13 联咏科技股份有限公司 Light-emitting device capable of dynamically adjusting output voltage and related control method
US8513895B2 (en) * 2009-10-01 2013-08-20 System General Corp. High efficiency LED driver with current source regulations
EP2497339B1 (en) * 2009-11-06 2017-09-20 Philips Lighting Holding B.V. Lighting device
CN101800412A (en) * 2010-04-07 2010-08-11 海洋王照明科技股份有限公司 Power protection circuit and LED device
CN102376257A (en) * 2010-08-23 2012-03-14 晶锜科技股份有限公司 Light-emitting diode driving system and its circuit
CN101951715B (en) * 2010-09-29 2015-09-16 深圳市中庆微科技开发有限公司 A kind of method of preventing current fault of light-emitting diode lamps
CN103260323B (en) * 2012-02-15 2016-02-17 通嘉科技股份有限公司 Power control circuit, short circuit detection circuit and control method
CN202796006U (en) * 2012-08-22 2013-03-13 苏州达方电子有限公司 Power supply system used for driving backlight of LED television
JP6086814B2 (en) * 2013-05-15 2017-03-01 株式会社アイ・ライティング・システム LED lighting device
US9615413B2 (en) * 2013-08-29 2017-04-04 Allegro Microsystems, Llc Driver circuit using dynamic regulation and related techniques
CN203590524U (en) * 2013-09-10 2014-05-07 深圳市晟碟半导体有限公司 LED driving device
CN204145812U (en) * 2014-08-12 2015-02-04 中山市振辉消防设备有限公司 A LED emergency module with light source protection function

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120049741A1 (en) * 2010-08-24 2012-03-01 Zhijun Ye Current balance scheme for driving led strings and the method thereof
JP2013131466A (en) * 2011-12-22 2013-07-04 Rohm Co Ltd Control circuit of switching power supply for driving light-emitting element, and light-emitting device and electronic apparatus using the same
TW201501568A (en) * 2013-06-21 2015-01-01 Anpec Electronics Corp Light emitting element drive device
CN104185350A (en) * 2014-09-12 2014-12-03 南京矽力杰半导体技术有限公司 Multi-way LED constant current driving circuit and control method thereof

Also Published As

Publication number Publication date
CN106163027B (en) 2018-12-04
CN106163027A (en) 2016-11-23
TW201635862A (en) 2016-10-01

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees