WO2012144800A3 - 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
WO2012144800A3
WO2012144800A3 PCT/KR2012/002964 KR2012002964W WO2012144800A3 WO 2012144800 A3 WO2012144800 A3 WO 2012144800A3 KR 2012002964 W KR2012002964 W KR 2012002964W WO 2012144800 A3 WO2012144800 A3 WO 2012144800A3
Authority
WO
WIPO (PCT)
Prior art keywords
led driving
driving device
led
same
driving method
Prior art date
Application number
PCT/KR2012/002964
Other languages
English (en)
French (fr)
Other versions
WO2012144800A2 (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 US14/112,601 priority Critical patent/US9066392B2/en
Publication of WO2012144800A2 publication Critical patent/WO2012144800A2/ko
Publication of WO2012144800A3 publication Critical patent/WO2012144800A3/ko

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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
    • 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]
    • 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
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Landscapes

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

Abstract

본 발명은 LED 구동 장치 및 이를 이용한 LED 구동 방법에 관한 것으로, 본 발명의 일 측면은, 직류 전원에 의해 구동되며 상호 순차적으로 직렬 연결된 제1 내지 제n LED 그룹을 포함하는 광원부와, 상기 제1 내지 제n LED 그룹의 출력단에 각각 순차적으로 연결되는 제1 내지 제n 입력단자를 포함하며, 상기 제1 내지 제n 입력단자를 통하여 접지로 흐르는 전류를 감지하여 구동구간에 대한 정보를 생성함으로써 상기 광원부에 흐르는 전류의 크기 및 경로를 제어하는 구동 제어부를 포함하는 LED 구동 장치 및 이를 이용한 LED 구동 방법을 제공한다.
PCT/KR2012/002964 2011-04-19 2012-04-18 Ｌｅｄ 구동 장치 및 이를 이용한 ｌｅｄ 구동 방법 WO2012144800A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/112,601 US9066392B2 (en) 2011-04-19 2012-04-18 LED driving device and LED driving method using same

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR10-2011-0036191 2011-04-19
KR20110036191 2011-04-19
KR20110052872 2011-06-01
KR10-2011-0052872 2011-06-01
KR1020110132834A KR102006007B1 (ko) 2011-04-19 2011-12-12 Ｌｅｄ 구동 장치 및 이를 이용한 ｌｅｄ 구동 방법
KR10-2011-0132834 2011-12-12

Publications (2)

Publication Number Publication Date
WO2012144800A2 WO2012144800A2 (ko) 2012-10-26
WO2012144800A3 true WO2012144800A3 (ko) 2013-01-10

Family

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Family Applications (1)

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PCT/KR2012/002964 WO2012144800A2 (ko) 2011-04-19 2012-04-18 Ｌｅｄ 구동 장치 및 이를 이용한 ｌｅｄ 구동 방법

Country Status (3)

Country Link
US (1) US9066392B2 (ko)
KR (1) KR102006007B1 (ko)
WO (1) WO2012144800A2 (ko)

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Also Published As

Publication number Publication date
KR102006007B1 (ko) 2019-08-01
US9066392B2 (en) 2015-06-23
US20140042918A1 (en) 2014-02-13
WO2012144800A2 (ko) 2012-10-26
KR20120123175A (ko) 2012-11-08

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