KR101029359B1 - 다수의 발광 소자의 구동을 위한 회로 및 방법 - Google Patents

다수의 발광 소자의 구동을 위한 회로 및 방법 Download PDF

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Publication number
KR101029359B1
KR101029359B1 KR1020050071350A KR20050071350A KR101029359B1 KR 101029359 B1 KR101029359 B1 KR 101029359B1 KR 1020050071350 A KR1020050071350 A KR 1020050071350A KR 20050071350 A KR20050071350 A KR 20050071350A KR 101029359 B1 KR101029359 B1 KR 101029359B1
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South Korea
Prior art keywords
voltage
circuit
transistors
light emitting
amplifier
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Expired - Fee Related
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KR1020050071350A
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English (en)
Korean (ko)
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KR20060049291A (ko
Inventor
마크 알. 비투닉
스티븐 엘. 마틴
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리니어 테크놀러지 코포레이션
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • 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]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
KR1020050071350A 2004-08-05 2005-08-04 다수의 발광 소자의 구동을 위한 회로 및 방법 Expired - Fee Related KR101029359B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/911,703 2004-08-05
US10/911,703 US8558760B2 (en) 2004-08-05 2004-08-05 Circuitry and methodology for driving multiple light emitting devices

Publications (2)

Publication Number Publication Date
KR20060049291A KR20060049291A (ko) 2006-05-18
KR101029359B1 true KR101029359B1 (ko) 2011-04-13

Family

ID=35756747

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020050071350A Expired - Fee Related KR101029359B1 (ko) 2004-08-05 2005-08-04 다수의 발광 소자의 구동을 위한 회로 및 방법

Country Status (5)

Country Link
US (1) US8558760B2 (https=)
JP (1) JP5319048B2 (https=)
KR (1) KR101029359B1 (https=)
CN (1) CN1731496B (https=)
TW (1) TWI412001B (https=)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080199471A1 (en) * 2002-03-01 2008-08-21 Bernett Matthew J Optimized cd40 antibodies and methods of using the same
US6825559B2 (en) 2003-01-02 2004-11-30 Cree, Inc. Group III nitride based flip-chip intergrated circuit and method for fabricating
JP4616332B2 (ja) * 2004-04-08 2011-01-19 エスティーマイクロエレクトロニクス エス．アール．エル． Ｏｌｅｄ受動マトリックスディスプレイのためのドライバ
TWI270219B (en) * 2005-03-08 2007-01-01 Addtek Corp Driving circuit and method of tuning a driving voltage of a light-emitting device through a feedback mechanism
JP2007295775A (ja) * 2006-04-27 2007-11-08 Rohm Co Ltd 電源装置、ｌｅｄ駆動装置、照明装置、表示装置
KR100737867B1 (ko) * 2006-06-02 2007-07-12 삼성전자주식회사 발광장치 및 발광장치의 제어방법
DE102007004877A1 (de) * 2007-01-31 2008-08-14 Infineon Technologies Austria Ag Schaltungsanordnung zur Ansteuerung von Leuchtdioden
JP2009008783A (ja) * 2007-06-27 2009-01-15 Seiko Epson Corp 発光装置および電子機器
US8111001B2 (en) * 2007-07-17 2012-02-07 Cree, Inc. LED with integrated constant current driver
CN101527989B (zh) * 2008-03-04 2013-06-12 原景科技股份有限公司 驱动发光二极管的电路与方法
DE102008030365A1 (de) * 2008-06-26 2009-08-20 Continental Automotive Gmbh Einrichtung zur Ansteuerung von in einem Array angeordneten Einzellichtquellen
TWI468080B (zh) * 2008-07-31 2015-01-01 Richtek Technology Corp LED drive device and method
US9071139B2 (en) 2008-08-19 2015-06-30 Advanced Analogic Technologies Incorporated High current switching converter for LED applications
TWI397034B (zh) * 2008-10-29 2013-05-21 Richtek Technology Corp 改善ｌｅｄ顯示系統效能的電流調節器及方法
CN102026438B (zh) * 2009-09-18 2014-04-16 立锜科技股份有限公司 发光元件控制电路与控制方法、及用于其中的集成电路
US9429965B2 (en) 2009-11-03 2016-08-30 Advanced Analogic Technologies Incorporated Multiple chip voltage feedback technique for driving LED's
CN101800030B (zh) * 2010-03-26 2012-06-20 青岛海信电器股份有限公司 一种led驱动芯片的级联方法、电路及具有该电路的电视机
CN101820707B (zh) * 2010-03-30 2012-09-05 上海艾为电子技术有限公司 发光元件的驱动装置
TWI402805B (zh) 2010-04-20 2013-07-21 Chunghwa Picture Tubes Ltd 應用於背光模組之電壓轉換器及其驅動方法
DE102010045389B4 (de) 2010-09-15 2012-12-06 Austriamicrosystems Ag Spannungsversorgungsanordnung und Verfahren zur Spannungsversorgung einer elektrischen Last
KR101041350B1 (ko) * 2010-11-08 2011-06-14 (주)상지기술 엘이디 소자 보호를 위한 엘이디램프 전원 보상장치
US8531164B2 (en) 2011-04-04 2013-09-10 Advanced Analogic Technologies Incorporated Operational transconductance amplifier feedback mechanism for fixed feedback voltage regulators
US9577610B2 (en) * 2011-04-05 2017-02-21 Advanced Analogic Technologies Incorporated Active LED voltage clamp
EP2597931B1 (de) * 2011-09-01 2015-05-27 Silicon Touch Technology, Inc. Treiberschaltung und zugehörige Fehlererkennungsschaltung und Verfahren hierfür
US8823279B2 (en) * 2011-10-27 2014-09-02 Phoseon Technology, Inc. Smart FET circuit
CN106058801B (zh) * 2016-06-20 2018-05-22 广州视源电子科技股份有限公司 一种压差保护电路
CN111034363B (zh) * 2017-08-09 2021-11-16 黑拉有限责任两合公司 用于操作电子灯布置的系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001215913A (ja) 2000-02-04 2001-08-10 Toko Inc 点灯回路
JP2003332624A (ja) 2002-05-07 2003-11-21 Rohm Co Ltd 発光素子駆動装置、及び発光素子を備えた電子機器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6166527A (en) * 2000-03-27 2000-12-26 Linear Technology Corporation Control circuit and method for maintaining high efficiency in a buck-boost switching regulator
US6404251B1 (en) * 2000-03-27 2002-06-11 Linear Technology Corporation Systems and methods for linearly varying a pulse-width modulation signal with a control signal
JP4244110B2 (ja) * 2001-05-28 2009-03-25 パイオニア株式会社 発光パネルの駆動装置及び発光パネルを備えた携帯端末装置
GB2381138B (en) * 2001-10-17 2005-06-29 Matsushita Comm Ind Uk Ltd Driver circuit for light emitting devices
JP3745310B2 (ja) 2002-05-31 2006-02-15 ソニー株式会社 発光素子駆動装置およびそれを用いた携帯装置
US6940733B2 (en) * 2002-08-22 2005-09-06 Supertex, Inc. Optimal control of wide conversion ratio switching converters
JP2004085751A (ja) 2002-08-26 2004-03-18 Canon Electronics Inc 有機エレクトロルミネセンスディスプレイの駆動方法
DE20300976U1 (de) * 2003-01-17 2003-04-03 Brandau, Jonas, 10407 Berlin Niederspannungsdekorationsleuchte mit weißen SMD-LEDs
US6836157B2 (en) * 2003-05-09 2004-12-28 Semtech Corporation Method and apparatus for driving LEDs
JP4836402B2 (ja) * 2003-09-29 2011-12-14 東北パイオニア株式会社 自発光型表示装置
JP4308158B2 (ja) * 2004-03-30 2009-08-05 ローム株式会社 昇圧制御装置およびそれを用いた電子装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001215913A (ja) 2000-02-04 2001-08-10 Toko Inc 点灯回路
JP2003332624A (ja) 2002-05-07 2003-11-21 Rohm Co Ltd 発光素子駆動装置、及び発光素子を備えた電子機器

Also Published As

Publication number Publication date
US20060028150A1 (en) 2006-02-09
JP5319048B2 (ja) 2013-10-16
US8558760B2 (en) 2013-10-15
CN1731496A (zh) 2006-02-08
JP2006048047A (ja) 2006-02-16
TWI412001B (zh) 2013-10-11
KR20060049291A (ko) 2006-05-18
TW200606795A (en) 2006-02-16
CN1731496B (zh) 2014-08-06

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