WO2013039324A3 - 다채널 발광 다이오드 구동 장치 - Google Patents

다채널 발광 다이오드 구동 장치 Download PDF

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Publication number
WO2013039324A3
WO2013039324A3 PCT/KR2012/007319 KR2012007319W WO2013039324A3 WO 2013039324 A3 WO2013039324 A3 WO 2013039324A3 KR 2012007319 W KR2012007319 W KR 2012007319W WO 2013039324 A3 WO2013039324 A3 WO 2013039324A3
Authority
WO
WIPO (PCT)
Prior art keywords
emitting diode
light
driving
unit
switch unit
Prior art date
Application number
PCT/KR2012/007319
Other languages
English (en)
French (fr)
Other versions
WO2013039324A2 (ko
Inventor
박시홍
Original Assignee
(주)포인트텍
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
Priority claimed from KR1020120031329A external-priority patent/KR101273384B1/ko
Application filed by (주)포인트텍 filed Critical (주)포인트텍
Priority to US14/345,240 priority Critical patent/US9426858B2/en
Publication of WO2013039324A2 publication Critical patent/WO2013039324A2/ko
Publication of WO2013039324A3 publication Critical patent/WO2013039324A3/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
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]

Landscapes

  • Led Devices (AREA)
  • Control Of El Displays (AREA)

Abstract

본 발명은 다채널 발광 다이오드 구동 장치에 관한 것으로, 본 발명의 다채널 발광 다이오드 구동 장치는 외부로부터 공급된 전원을 공급하는 전원공급부; 상기 전원공급부의 (+)단자에 연결되고, 적어도 하나 이상의 발광 다이오드로 이루어진 하나 이상의 발광 다이오드 그룹을 포함하는 발광 다이오드 블록; 상기 발광 다이오드 블록의 캐소드(cathode)에 연결되고, 발광 다이오드 그룹에 흐르는 전류를 절환하는 전류절환부; 상기 전류절환부와 전기적으로 연결되고, 상기 전류절환부에 기준전압을 제공하는 기준전압부; 및 상기 전원공급부로부터 전원을 공급받아 상기 전류절환부를 통해 상기 발광 다이오드 블록을 구동시키고, 발광 다이오드 그룹에 흐르는 구동전류를 결정하는 전류구동부를 포함하는 것을 특징으로 한다.
PCT/KR2012/007319 2011-09-15 2012-09-12 다채널 발광 다이오드 구동 장치 WO2013039324A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/345,240 US9426858B2 (en) 2011-09-15 2012-09-12 Device for driving multi-channel light-emitting diode

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20110093137 2011-09-15
KR10-2011-0093137 2011-09-15
KR10-2012-0031329 2012-03-27
KR1020120031329A KR101273384B1 (ko) 2011-09-15 2012-03-27 다채널 발광 다이오드 구동 장치

Publications (2)

Publication Number Publication Date
WO2013039324A2 WO2013039324A2 (ko) 2013-03-21
WO2013039324A3 true WO2013039324A3 (ko) 2013-05-10

Family

ID=47883880

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/007319 WO2013039324A2 (ko) 2011-09-15 2012-09-12 다채널 발광 다이오드 구동 장치

Country Status (1)

Country Link
WO (1) WO2013039324A2 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10111290B2 (en) 2014-08-18 2018-10-23 Point Tek Co., Ltd. Apparatus for synchronous driving of multi-channel light emitting diodes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006230896A (ja) * 2005-02-28 2006-09-07 Koizumi Sangyo Corp ショーケースの照明構造および照明ユニット
JP2007027316A (ja) * 2005-07-14 2007-02-01 Sony Corp 発光ダイオード素子の駆動回路、光源装置、表示装置
KR100942234B1 (ko) * 2009-07-23 2010-02-12 (주)로그인디지탈 발광다이오드 조명장치
KR20110013167A (ko) * 2009-07-30 2011-02-09 어드밴스드 커넥텍 인코어포레이티드 Ｌｅｄ 장치 및 그 구동방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006230896A (ja) * 2005-02-28 2006-09-07 Koizumi Sangyo Corp ショーケースの照明構造および照明ユニット
JP2007027316A (ja) * 2005-07-14 2007-02-01 Sony Corp 発光ダイオード素子の駆動回路、光源装置、表示装置
KR100942234B1 (ko) * 2009-07-23 2010-02-12 (주)로그인디지탈 발광다이오드 조명장치
KR20110013167A (ko) * 2009-07-30 2011-02-09 어드밴스드 커넥텍 인코어포레이티드 Ｌｅｄ 장치 및 그 구동방법

Also Published As

Publication number Publication date
WO2013039324A2 (ko) 2013-03-21

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