WO2012153947A3 - Led 구동 장치 및 이를 이용한 led 구동 방법 - Google Patents

Led 구동 장치 및 이를 이용한 led 구동 방법 Download PDF

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Publication number
WO2012153947A3
WO2012153947A3 PCT/KR2012/003522 KR2012003522W WO2012153947A3 WO 2012153947 A3 WO2012153947 A3 WO 2012153947A3 KR 2012003522 W KR2012003522 W KR 2012003522W WO 2012153947 A3 WO2012153947 A3 WO 2012153947A3
Authority
WO
WIPO (PCT)
Prior art keywords
led
nth
driving
driving device
same
Prior art date
Application number
PCT/KR2012/003522
Other languages
English (en)
French (fr)
Other versions
WO2012153947A9 (ko
WO2012153947A2 (ko
Inventor
이동일
Original Assignee
Lee Dong-Il
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 Lee Dong-Il filed Critical Lee Dong-Il
Priority to US14/115,766 priority Critical patent/US9247599B2/en
Publication of WO2012153947A2 publication Critical patent/WO2012153947A2/ko
Publication of WO2012153947A3 publication Critical patent/WO2012153947A3/ko
Publication of WO2012153947A9 publication Critical patent/WO2012153947A9/ko

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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
    • 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
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • 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
    • H05B45/395—Linear regulators
    • H05B45/397—Current mirror circuits
    • 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

  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

본 발명은 LED 구동 장치 및 이를 이용한 LED 구동 방법에 관한 것으로, 본 발명의 일 측면은, 순차적으로 직렬 연결된 제1 내지 제n LED 그룹을 포함하는 광원부와, 상기 제1 내지 제n LED 그룹 각각의 출력단과 연결되는 제1 내지 제n 입력단자를 구비하며, 상기 제1 내지 제n 입력단자로 입력되는 제1 내지 제n 입력전류를 일정비율로 반영하여 생성된 제1 내지 제n 전류감지신호를 통해 상기 제1 내지 제n 입력전류 각각을 제어하는 구동 제어부를 포함하는 LED 구동 장치를 제공한다.
PCT/KR2012/003522 2011-05-06 2012-05-04 Led 구동 장치 및 이를 이용한 led 구동 방법 WO2012153947A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/115,766 US9247599B2 (en) 2011-05-06 2012-05-04 LED driving device and method for driving an LED by using same

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20110042866 2011-05-06
KR10-2011-0042866 2011-05-06
KR10-2011-0057798 2011-06-15
KR20110057798 2011-06-15
KR1020110088439A KR102011068B1 (ko) 2011-05-06 2011-09-01 Ｌｅｄ 구동 장치 및 이를 이용한 ｌｅｄ 구동 방법
KR10-2011-0088439 2011-09-01

Publications (3)

Publication Number Publication Date
WO2012153947A2 WO2012153947A2 (ko) 2012-11-15
WO2012153947A3 true WO2012153947A3 (ko) 2013-01-03
WO2012153947A9 WO2012153947A9 (ko) 2013-02-21

Family

ID=47139781

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/003522 WO2012153947A2 (ko) 2011-05-06 2012-05-04 Led 구동 장치 및 이를 이용한 led 구동 방법

Country Status (3)

Country Link
US (1) US9247599B2 (ko)
KR (1) KR102011068B1 (ko)
WO (1) WO2012153947A2 (ko)

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WO2013100736A1 (en) * 2011-12-29 2013-07-04 Seoul Semiconductor Co., Ltd Led luminescence apparatus
US8890427B2 (en) * 2012-10-26 2014-11-18 Liteideas, Llc Apparatus and method of operation of a low-current LED lighting circuit
KR20140063058A (ko) * 2012-11-16 2014-05-27 서울바이오시스 주식회사 발광 다이오드 구동장치, 구동방법 및 이를 포함하는 발광 다이오드 조명모듈
CN103152894A (zh) * 2013-03-13 2013-06-12 深圳贝特莱电子科技有限公司 一种基于ac电源的分段式led驱动电路
KR20140141907A (ko) * 2013-06-03 2014-12-11 주식회사 포스코엘이디 고출력 led 구동회로를 구비한 led 조명장치
KR20150001067A (ko) * 2013-06-26 2015-01-06 주식회사 실리콘웍스 발광 디바이스의 구동 회로 및 이를 구동하는 방법
TWM485583U (zh) * 2014-05-16 2014-09-01 Unity Opto Technology Co Ltd 純電阻式調光電路
KR101638469B1 (ko) * 2014-08-13 2016-08-12 (주)지티씨 발광 다이오드 구동 장치
KR102335311B1 (ko) * 2014-11-20 2021-12-09 주식회사 엘엑스세미콘 조명 장치
WO2016093534A1 (ko) * 2014-12-12 2016-06-16 서울반도체 주식회사 플리커 성능이 개선된 led 구동회로 및 이를 포함하는 led 조명장치
DE212015000282U1 (de) 2014-12-12 2017-08-11 Seoul Semiconductor Co., Ltd. LED-Schaltkreis mit verbesserter Flimmerleistung und Beleuchtungseinrichtung umfassend dieselbe
USRE48798E1 (en) * 2015-03-02 2021-10-26 Epistar Corporation LED driver and illumination system related to the same
KR101653596B1 (ko) * 2015-06-01 2016-09-02 (주)지티씨 발광 다이오드 구동 장치
US10257907B2 (en) * 2015-06-25 2019-04-09 Signify Holding B.V. LED lighting module
JP6397589B2 (ja) * 2015-06-25 2018-09-26 フィリップス ライティング ホールディング ビー ヴィ Ｌｅｄ照明装置
FR3040853A1 (fr) * 2015-09-07 2017-03-10 Stmicroelectronics (Grenoble 2) Sas Optical pulse emitter
TWM515620U (zh) * 2015-09-11 2016-01-11 Luxmill Electronic Co Ltd 可消除電流欠量的多階led驅動電路
DE102015217629A1 (de) * 2015-09-15 2017-03-16 Tridonic Gmbh & Co Kg PFC-Modul für lückenden Betrieb
US9883554B2 (en) * 2015-09-29 2018-01-30 Microchip Technology Inc. Commutation circuit for sequential linear LED drivers
CN106231738B (zh) * 2016-09-29 2018-09-14 华南理工大学 一种分段式ac led的驱动照明电路及其驱动方法
KR102382016B1 (ko) * 2021-11-02 2022-04-04 주식회사 웰랑 높은 led 활용도를 제공하는 장치 및 이를 포함하는 조명 기기

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KR20060081902A (ko) * 2005-01-10 2006-07-14 엘지전자 주식회사 엘이디 구동 회로
KR20070000963A (ko) * 2005-06-28 2007-01-03 엘지.필립스 엘시디 주식회사 발광 다이오드의 구동 장치
KR20100121816A (ko) * 2009-05-11 2010-11-19 엘지전자 주식회사 Ｌｅｄ 구동회로 및 그 구동방법
KR20100006345U (ko) * 2009-05-22 2010-06-23 (주)로그인디지탈 발광다이오드 어레이 구동회로
JP2011009474A (ja) * 2009-06-25 2011-01-13 Panasonic Electric Works Co Ltd 発光ダイオード駆動装置、並びにそれを用いた照明器具、車室内用照明装置、車両用照明装置
KR100997050B1 (ko) * 2010-05-06 2010-11-29 주식회사 티엘아이 광량을 향상시키는 엘이디 조명 장치

Also Published As

Publication number Publication date
KR20120125142A (ko) 2012-11-14
KR102011068B1 (ko) 2019-08-14
US20140062317A1 (en) 2014-03-06
WO2012153947A9 (ko) 2013-02-21
US9247599B2 (en) 2016-01-26
WO2012153947A2 (ko) 2012-11-15

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