KR20040075038A - 발광 다이오드 드라이버 - Google Patents
발광 다이오드 드라이버 Download PDFInfo
- Publication number
- KR20040075038A KR20040075038A KR10-2004-7010172A KR20047010172A KR20040075038A KR 20040075038 A KR20040075038 A KR 20040075038A KR 20047010172 A KR20047010172 A KR 20047010172A KR 20040075038 A KR20040075038 A KR 20040075038A
- Authority
- KR
- South Korea
- Prior art keywords
- led
- led array
- capacitor
- emitting diode
- alternating current
- Prior art date
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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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/39—Circuits containing inverter bridges
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Road Signs Or Road Markings (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Led Device Packages (AREA)
Abstract
Description
Claims (8)
- LED 드라이버에 있어서,역-병렬(anti-parallel) 구성을 가지는 LED 어레이(array)(40)를 접속시키는 접속 단자들과,스위칭 주파수에서 교류 전압을 제공하도록 동작 가능한 인버터(20), 및상기 교류 전압에 응답하여 상기 LED 어레이(40)를 통하여 교류 전류가 흐르게 하도록 동작 가능한 임피던스 회로(30)를 포함하는, LED 드라이버.
- 제 1 항에 있어서,상기 LED 어레이(40)를 접속시키는 상기 접속 단자들은 상기 LED 어레이(40)를 통하는 상기 교류 전류의 흐름을 제어하도록 동작 가능한 스위치(T3)를 접속시키는, LED 드라이버.
- 제 1 항에 있어서,상기 임피던스 회로(30)는 상기 LED 어레이(40)를 접속시키는 상기 접속 단자들에 직렬로 결합되는 제 1 캐패시터(C2)를 포함하고,상기 LED 어레이(40)는 LED 쌍(40a)이나 LED 스트링들(40b)의 쌍 또는 LED 매트릭스를 포함하는, LED 드라이버.
- 제 3 항에 있어서,상기 임피던스 회로(30)는 상기 인버터(20)와 상기 임피던스 회로(30) 사이에 직렬로 결합되는 인덕터(L1)을 더 포함하는, LED 드라이버.
- 제 3 항에 있어서,상기 LED 어레이(40)를 접속시키는 상기 접속단자들은 상기 LED 어레이(40)를 통하는 상기 교류 전류의 흐름을 변화시키거나 전환하도록 동작 가능한 스위치(T3)를 더 접속시키는, LED 드라이버.
- 제 3 항에 있어서,상기 임피던스 회로(30)는 상기 제 1 캐패시터(C5)에 직렬로 결합되는 제 2 캐패시터(C6)를 더 포함하고,상기 LED 어레이(40)를 접속시키는 상기 접속단자들은 상기 LED 어레이(40)를 통하는 상기 교류 전류의 흐름을 변화시키거나 전환하도록 동작 가능한 스위치(T3)를 더 접속시키는, LED 드라이버.
- LED 드라이버에 있어서,역-병렬 구성을 가지는, 상기 LED 드라이버에 통합된 부분인 LED 어레이(40)와,교류 전압을 제공하는 수단(20), 및상기 교류 전압에 응답하여 상기 LED 어레이(40)를 통하는 교류 전류의 흐름을 제어하는 수단(30)을 포함하는, LED 드라이버.
- 제 1 항에 있어서,역-병렬 구성을 가지는 LED 어레이(40)와,교류 전압을 제공하도록 동작 가능한 인버터(20), 및상기 교류 전압에 응답하여, 상기 LED 어레이(40)를 통하여 상기 교류 전류가 흐르게 하도록 동작 가능한 임피던스 회로(30)를 포함하며,상기 LED 어레이는 상기 LED 어레이(40)를 통하는 교류 전류의 흐름을 제어하도록 동작 가능한 스위치(T3)를 포함하는, LED 드라이버.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/037,490 US6853150B2 (en) | 2001-12-28 | 2001-12-28 | Light emitting diode driver |
US10/037,490 | 2001-12-28 | ||
PCT/IB2002/005688 WO2003056878A1 (en) | 2001-12-28 | 2002-12-20 | Light emitting diode driver |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040075038A true KR20040075038A (ko) | 2004-08-26 |
KR100956305B1 KR100956305B1 (ko) | 2010-05-10 |
Family
ID=21894609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047010172A KR100956305B1 (ko) | 2001-12-28 | 2002-12-20 | 발광 다이오드 드라이버 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6853150B2 (ko) |
EP (1) | EP1461980B1 (ko) |
JP (1) | JP4642355B2 (ko) |
KR (1) | KR100956305B1 (ko) |
CN (1) | CN100586240C (ko) |
AT (1) | ATE343917T1 (ko) |
AU (1) | AU2002367235A1 (ko) |
DE (1) | DE60215701T2 (ko) |
WO (1) | WO2003056878A1 (ko) |
Cited By (3)
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KR100807422B1 (ko) * | 2005-04-22 | 2008-02-25 | 산요덴키가부시키가이샤 | 발광 소자 구동 제어 장치, 발광 소자 구동 장치 |
KR200485462Y1 (ko) | 2017-02-10 | 2018-01-11 | 호효진 | 종이 호일을 이용하는 전기식 위생 불판 |
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US6310445B1 (en) * | 2000-01-03 | 2001-10-30 | Dialight Corporation | Led indicator disable circuit and led indicator incorporating the led indicator disable circuit |
DE10013207B4 (de) * | 2000-03-17 | 2014-03-13 | Tridonic Gmbh & Co Kg | Ansteuerung von Leuchtdioden (LED's) |
JP2001351789A (ja) * | 2000-06-02 | 2001-12-21 | Toshiba Lighting & Technology Corp | 発光ダイオード駆動装置 |
US6411045B1 (en) | 2000-12-14 | 2002-06-25 | General Electric Company | Light emitting diode power supply |
US6359392B1 (en) * | 2001-01-04 | 2002-03-19 | Motorola, Inc. | High efficiency LED driver |
-
2001
- 2001-12-28 US US10/037,490 patent/US6853150B2/en not_active Expired - Lifetime
-
2002
- 2002-12-20 AU AU2002367235A patent/AU2002367235A1/en not_active Abandoned
- 2002-12-20 AT AT02790641T patent/ATE343917T1/de not_active IP Right Cessation
- 2002-12-20 DE DE60215701T patent/DE60215701T2/de not_active Expired - Lifetime
- 2002-12-20 WO PCT/IB2002/005688 patent/WO2003056878A1/en active IP Right Grant
- 2002-12-20 EP EP02790641A patent/EP1461980B1/en not_active Expired - Lifetime
- 2002-12-20 KR KR1020047010172A patent/KR100956305B1/ko active IP Right Grant
- 2002-12-20 CN CN02826433A patent/CN100586240C/zh not_active Expired - Lifetime
- 2002-12-20 JP JP2003557257A patent/JP4642355B2/ja not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100807422B1 (ko) * | 2005-04-22 | 2008-02-25 | 산요덴키가부시키가이샤 | 발광 소자 구동 제어 장치, 발광 소자 구동 장치 |
US7315135B2 (en) | 2005-07-01 | 2008-01-01 | Samsung Electronics Co., Ltd. | Load driving device and load driving method |
KR200485462Y1 (ko) | 2017-02-10 | 2018-01-11 | 호효진 | 종이 호일을 이용하는 전기식 위생 불판 |
Also Published As
Publication number | Publication date |
---|---|
DE60215701T2 (de) | 2007-08-23 |
US6853150B2 (en) | 2005-02-08 |
EP1461980B1 (en) | 2006-10-25 |
EP1461980A1 (en) | 2004-09-29 |
CN1757267A (zh) | 2006-04-05 |
AU2002367235A1 (en) | 2003-07-15 |
US20030122502A1 (en) | 2003-07-03 |
DE60215701D1 (de) | 2006-12-07 |
ATE343917T1 (de) | 2006-11-15 |
JP4642355B2 (ja) | 2011-03-02 |
CN100586240C (zh) | 2010-01-27 |
JP2005513819A (ja) | 2005-05-12 |
WO2003056878A1 (en) | 2003-07-10 |
KR100956305B1 (ko) | 2010-05-10 |
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