CN103348770B - 供电电源 - Google Patents

供电电源 Download PDF

Info

Publication number
CN103348770B
CN103348770B CN201180066490.XA CN201180066490A CN103348770B CN 103348770 B CN103348770 B CN 103348770B CN 201180066490 A CN201180066490 A CN 201180066490A CN 103348770 B CN103348770 B CN 103348770B
Authority
CN
China
Prior art keywords
power supply
plate
resistor
current
light emitting
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.)
Expired - Fee Related
Application number
CN201180066490.XA
Other languages
English (en)
Chinese (zh)
Other versions
CN103348770A (zh
Inventor
金成恩
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.)
LG Innotek Co Ltd
Original Assignee
LG Innotek 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 LG Innotek Co Ltd filed Critical LG Innotek Co Ltd
Publication of CN103348770A publication Critical patent/CN103348770A/zh
Application granted granted Critical
Publication of CN103348770B publication Critical patent/CN103348770B/zh
Expired - Fee Related legal-status Critical Current
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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • 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
    • H05B45/345—Current stabilisation; Maintaining constant current
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
CN201180066490.XA 2010-12-27 2011-10-11 供电电源 Expired - Fee Related CN103348770B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020100136076A KR101189313B1 (ko) 2010-12-27 2010-12-27 전원 공급 장치
KR10-2010-0136076 2010-12-27
PCT/KR2011/007542 WO2012091259A1 (en) 2010-12-27 2011-10-11 Power supply

Publications (2)

Publication Number Publication Date
CN103348770A CN103348770A (zh) 2013-10-09
CN103348770B true CN103348770B (zh) 2015-07-29

Family

ID=46383310

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201180066490.XA Expired - Fee Related CN103348770B (zh) 2010-12-27 2011-10-11 供电电源

Country Status (7)

Country Link
US (1) US9295135B2 (enExample)
EP (1) EP2659746B1 (enExample)
JP (1) JP6023079B2 (enExample)
KR (1) KR101189313B1 (enExample)
CN (1) CN103348770B (enExample)
TW (1) TWI451802B (enExample)
WO (1) WO2012091259A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6037619B2 (ja) * 2012-01-25 2016-12-07 株式会社小糸製作所 発光モジュールおよび車両用灯具
US8963438B2 (en) * 2012-08-28 2015-02-24 Micron Technology, Inc. Self-identifying solid-state transducer modules and associated systems and methods
CN104871235B (zh) * 2012-12-10 2018-05-01 马田专业公司 具有自动像素检测的可配置的led像素装置
CN103851422A (zh) * 2014-02-19 2014-06-11 北京京东方光电科技有限公司 用于背光源的发光组件、背光源和液晶显示装置
CN106708145B (zh) * 2017-03-30 2017-12-29 深圳市华星光电技术有限公司 多通道供电电路
KR101987906B1 (ko) * 2018-07-25 2019-06-12 주식회사 에스엘이디조명 Led 개수에 따라 전원을 변환하는 전원 공급 장치 및 그의 전원 공급 제어 방법
CN111064357B (zh) * 2018-10-17 2021-11-02 上海宝存信息科技有限公司 电子装置电路板
KR102260349B1 (ko) * 2019-06-18 2021-06-03 박정용 Led 조명 이상 검출 장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101316468A (zh) * 2007-05-31 2008-12-03 东芝照明技术株式会社 照明装置
CN101632038A (zh) * 2006-09-26 2010-01-20 Lg电子株式会社 发光装置、背光单元及其印刷电路板
CN101636028A (zh) * 2008-07-25 2010-01-27 国琏电子（上海）有限公司 保护电路及使用其的灯管驱动装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3824603B2 (ja) * 2002-10-16 2006-09-20 シーシーエス株式会社 Ｌｅｄ照明装置用電源システム
JP2008108564A (ja) * 2006-10-25 2008-05-08 Matsushita Electric Works Ltd Ｌｅｄ点灯回路およびそれを用いる照明器具
JP2008130295A (ja) * 2006-11-17 2008-06-05 Matsushita Electric Works Ltd Ｌｅｄ点灯回路およびそれを用いる照明器具
CN201044524Y (zh) 2007-06-25 2008-04-02 四川大学 照明发光二极管阵列的恒流和调光控制电路
JP2009210484A (ja) * 2008-03-05 2009-09-17 Kenwood Corp 集積回路等の端子接続状態監視回路
KR20100092696A (ko) * 2009-02-13 2010-08-23 엘지이노텍 주식회사 발광 모듈 및 이를 구비한 라이트 유닛
KR101048175B1 (ko) * 2009-05-07 2011-07-08 엘지이노텍 주식회사 Ｌｅｄ 구동회로
TWM379173U (en) * 2009-12-07 2010-04-21 Universal Optoelectronics Co Ltd Cascaded light-emitting diode device
CN101778508B (zh) * 2010-01-18 2012-10-31 友达光电股份有限公司 发光二极管驱动电路及驱动方法
US8653738B2 (en) * 2010-07-30 2014-02-18 Shenzhen China Star Optoelectronics Technology Co. Ltd. Backlight module
US8963438B2 (en) * 2012-08-28 2015-02-24 Micron Technology, Inc. Self-identifying solid-state transducer modules and associated systems and methods

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101632038A (zh) * 2006-09-26 2010-01-20 Lg电子株式会社 发光装置、背光单元及其印刷电路板
CN101316468A (zh) * 2007-05-31 2008-12-03 东芝照明技术株式会社 照明装置
CN101636028A (zh) * 2008-07-25 2010-01-27 国琏电子（上海）有限公司 保护电路及使用其的灯管驱动装置

Also Published As

Publication number Publication date
TW201228460A (en) 2012-07-01
KR101189313B1 (ko) 2012-10-09
KR20120074117A (ko) 2012-07-05
TWI451802B (zh) 2014-09-01
WO2012091259A1 (en) 2012-07-05
JP6023079B2 (ja) 2016-11-09
US20130271020A1 (en) 2013-10-17
JP2014507754A (ja) 2014-03-27
EP2659746B1 (en) 2018-12-05
EP2659746A4 (en) 2016-06-22
CN103348770A (zh) 2013-10-09
US9295135B2 (en) 2016-03-22
EP2659746A1 (en) 2013-11-06

Similar Documents

Publication Publication Date Title
CN103348770B (zh) 供电电源
CN103392382B (zh) 电力供给装置
US8106602B2 (en) Backlight assembly, display apparatus having the backlight assembly and method of preventing a current controller of the backlight assembly from being shut down
US20080258636A1 (en) Led driver with current sink control and applications of the same g
CN102833909B (zh) 发光装置和具有发光装置的照明设备
CN104333933B (zh) 发光二极管驱动装置及应用其的发光二极管照明系统
CN1988743A (zh) 驱动发光二极管的装置
RU2623497C2 (ru) Система сид (светодиодного) освещения
WO2022077719A1 (zh) 背光恒流控制电路和背光结构
US8314768B2 (en) Backlight unit, display apparatus having the same and method of inspecting the same
CN112596300A (zh) 一种背光模组及显示装置
US20130162154A1 (en) Driving apparatus for light emitting diode
US8947340B2 (en) Backlight unit and display apparatus having the same
CN101170850A (zh) 光源驱动电路
KR101241648B1 (ko) 전원 공급 장치
KR20110083823A (ko) 아크노이즈 검출 회로, 이를 포함하는 광원 구동 장치 및 이를 이용하는 광원 구동 방법
CN116997041A (zh) 不同规格的led串联式发光电路
KR20150040451A (ko) 발광 다이오드 구동 회로
JP2008287128A (ja) 蛍光灯の点灯表示装置
KR20130014976A (ko) Ｌｅｄ 구동 회로

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150729

Termination date: 20191011