WO2012153947A3 - Led 구동 장치 및 이를 이용한 led 구동 방법 - Google Patents
Led 구동 장치 및 이를 이용한 led 구동 방법 Download PDFInfo
- 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
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.
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) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
KR20100006345U (ko) * | 2009-05-22 | 2010-06-23 | (주)로그인디지탈 | 발광다이오드 어레이 구동회로 |
KR20100121816A (ko) * | 2009-05-11 | 2010-11-19 | 엘지전자 주식회사 | Led 구동회로 및 그 구동방법 |
KR100997050B1 (ko) * | 2010-05-06 | 2010-11-29 | 주식회사 티엘아이 | 광량을 향상시키는 엘이디 조명 장치 |
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 |
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US7081722B1 (en) * | 2005-02-04 | 2006-07-25 | Kimlong Huynh | Light emitting diode multiphase driver circuit and method |
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TWI391028B (zh) * | 2008-04-18 | 2013-03-21 | Novatek Microelectronics Corp | 發光二極體驅動模組 |
JP2010109168A (ja) * | 2008-10-30 | 2010-05-13 | Fuji Electric Systems Co Ltd | Led駆動装置、led駆動方法および照明装置 |
US7986107B2 (en) * | 2008-11-06 | 2011-07-26 | Lumenetix, Inc. | Electrical circuit for driving LEDs in dissimilar color string lengths |
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KR20110005550A (ko) * | 2009-07-10 | 2011-01-18 | (주) 이지닉스 | 발광 다이오드 구동 장치 및 조명 |
US20110068700A1 (en) * | 2009-09-21 | 2011-03-24 | Suntec Enterprises | Method and apparatus for driving multiple LED devices |
US9144123B2 (en) * | 2010-12-11 | 2015-09-22 | Jae Hong Jeong | Light emitting diode driver having cascode structure |
US8686651B2 (en) * | 2011-04-13 | 2014-04-01 | Supertex, Inc. | Multiple stage sequential current regulator |
-
2011
- 2011-09-01 KR KR1020110088439A patent/KR102011068B1/ko active IP Right Grant
-
2012
- 2012-05-04 WO PCT/KR2012/003522 patent/WO2012153947A2/ko active Application Filing
- 2012-05-04 US US14/115,766 patent/US9247599B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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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