JP2014507754A - 電源供給装置 - Google Patents
電源供給装置 Download PDFInfo
- Publication number
- JP2014507754A JP2014507754A JP2013547284A JP2013547284A JP2014507754A JP 2014507754 A JP2014507754 A JP 2014507754A JP 2013547284 A JP2013547284 A JP 2013547284A JP 2013547284 A JP2013547284 A JP 2013547284A JP 2014507754 A JP2014507754 A JP 2014507754A
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- Japan
- Prior art keywords
- power supply
- board
- light emitting
- unit
- current
- 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.)
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- 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]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Abstract
【選択図】図1
Description
Claims (11)
- 複数の発光ダイオードを有して互いに並列に連結された複数の発光部と、
前記複数の発光部に直流電源を供給する電源部と、
少なくとも1つの発光部が搭載された複数のボードと、
前記各ボードに配置され、互いに電気的に連結された複数のボード抵抗と、
前記ボードの接続個数によって変化される前記ボード抵抗の和によって前記電源部から供給される電流を可変させるフィードバック制御部と、
を含むことを特徴とする電源供給装置。 - 前記各発光部の複数の発光ダイオードは互いに直列に連結されることを特徴とする、請求項1に記載の電源供給装置。
- 前記複数のボード抵抗は互いに並列に連結されることを特徴とする、請求項1に記載の電源供給装置。
- 前記各ボードのボード抵抗は前記発光ダイオードと電気的に分離されることを特徴とする、請求項1に記載の電源供給装置。
- 前記フィードバック制御部は、
基準電圧に連結された抵抗と、
前記抵抗と前記ボード抵抗との分圧値を出力する基準電位部と、
前記基準電位部の出力と前記複数の発光部の出力端との値を比較して前記電源部に出力して前記電源部の出力電流を制御する比較器と、
を含むことを特徴とする、請求項1に記載の電源供給装置。 - 前記フィードバック制御部には前記複数の発光部の出力端と前記比較器に連結された電流調節部を含み、前記電流調節部の他端は前記電源部に連結されることを特徴とする、請求項5に記載の電源供給装置。
- 前記各ボードにはコネクタを含み、前記コネクタは複数のボード抵抗を互いに並列に連結させることを特徴とする、請求項1に記載の電源供給装置。
- 前記複数のボード抵抗の値は前記ボードの接続個数によって変化され、前記フィードバック制御部は前記ボード抵抗値の変化によって前記電源部から供給される電流を可変させることを特徴とする、請求項1に記載の電源供給装置。
- 前記フィードバック制御部は前記ボードの接続個数によって定電流に制御することを特徴とする、請求項1に記載の電源供給装置。
- 前記複数のボード抵抗は互いに同一な値で形成されることを特徴とする、請求項1に記載の電源供給装置。
- 前記基準電位部は前記抵抗の一端と前記ボード抵抗の一端が各々並列に連結されることを特徴とする、請求項5に記載の電源供給装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0136076 | 2010-12-27 | ||
KR1020100136076A KR101189313B1 (ko) | 2010-12-27 | 2010-12-27 | 전원 공급 장치 |
PCT/KR2011/007542 WO2012091259A1 (en) | 2010-12-27 | 2011-10-11 | Power supply |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014507754A true JP2014507754A (ja) | 2014-03-27 |
JP2014507754A5 JP2014507754A5 (ja) | 2014-11-27 |
JP6023079B2 JP6023079B2 (ja) | 2016-11-09 |
Family
ID=46383310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013547284A Expired - Fee Related JP6023079B2 (ja) | 2010-12-27 | 2011-10-11 | 電源供給装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9295135B2 (ja) |
EP (1) | EP2659746B1 (ja) |
JP (1) | JP6023079B2 (ja) |
KR (1) | KR101189313B1 (ja) |
CN (1) | CN103348770B (ja) |
TW (1) | TWI451802B (ja) |
WO (1) | WO2012091259A1 (ja) |
Families Citing this family (7)
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 |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004158840A (ja) * | 2002-10-16 | 2004-06-03 | Ccs Inc | Led照明装置用電源システム |
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 |
JP2008300208A (ja) * | 2007-05-31 | 2008-12-11 | Toshiba Lighting & Technology Corp | 照明装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100786096B1 (ko) | 2006-09-26 | 2007-12-21 | 엘지전자 주식회사 | 백라이트 유닛 및 그 인쇄회로기판 |
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 |
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 |
CN101636028B (zh) | 2008-07-25 | 2012-10-31 | 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 |
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 |
-
2010
- 2010-12-27 KR KR1020100136076A patent/KR101189313B1/ko active IP Right Grant
-
2011
- 2011-10-03 TW TW100135775A patent/TWI451802B/zh not_active IP Right Cessation
- 2011-10-11 US US13/976,610 patent/US9295135B2/en not_active Expired - Fee Related
- 2011-10-11 CN CN201180066490.XA patent/CN103348770B/zh not_active Expired - Fee Related
- 2011-10-11 EP EP11853672.1A patent/EP2659746B1/en not_active Not-in-force
- 2011-10-11 WO PCT/KR2011/007542 patent/WO2012091259A1/en active Application Filing
- 2011-10-11 JP JP2013547284A patent/JP6023079B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004158840A (ja) * | 2002-10-16 | 2004-06-03 | Ccs Inc | Led照明装置用電源システム |
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 |
JP2008300208A (ja) * | 2007-05-31 | 2008-12-11 | Toshiba Lighting & Technology Corp | 照明装置 |
Also Published As
Publication number | Publication date |
---|---|
US9295135B2 (en) | 2016-03-22 |
US20130271020A1 (en) | 2013-10-17 |
CN103348770A (zh) | 2013-10-09 |
KR20120074117A (ko) | 2012-07-05 |
CN103348770B (zh) | 2015-07-29 |
EP2659746A1 (en) | 2013-11-06 |
WO2012091259A1 (en) | 2012-07-05 |
TWI451802B (zh) | 2014-09-01 |
JP6023079B2 (ja) | 2016-11-09 |
EP2659746B1 (en) | 2018-12-05 |
EP2659746A4 (en) | 2016-06-22 |
KR101189313B1 (ko) | 2012-10-09 |
TW201228460A (en) | 2012-07-01 |
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