CN101336027A - 调光降压式led驱动装置 - Google Patents
调光降压式led驱动装置 Download PDFInfo
- Publication number
- CN101336027A CN101336027A CNA2008101262311A CN200810126231A CN101336027A CN 101336027 A CN101336027 A CN 101336027A CN A2008101262311 A CNA2008101262311 A CN A2008101262311A CN 200810126231 A CN200810126231 A CN 200810126231A CN 101336027 A CN101336027 A CN 101336027A
- Authority
- CN
- China
- Prior art keywords
- signal
- voltage
- switch
- power level
- dimming
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 57
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 230000000630 rising effect Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 abstract 1
- 102100029469 WD repeat and HMG-box DNA-binding protein 1 Human genes 0.000 description 5
- 101710097421 WD repeat and HMG-box DNA-binding protein 1 Proteins 0.000 description 5
- 101100205847 Mus musculus Srst gene Proteins 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 102100028043 Fibroblast growth factor 3 Human genes 0.000 description 3
- 102100024061 Integrator complex subunit 1 Human genes 0.000 description 3
- 101710092857 Integrator complex subunit 1 Proteins 0.000 description 3
- 108050002021 Integrator complex subunit 2 Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
Images
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
-
- 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]
- H05B45/10—Controlling the intensity of the light
-
- 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]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070063096 | 2007-06-26 | ||
KR10-2007-0063096 | 2007-06-26 | ||
KR1020070063096A KR100887087B1 (ko) | 2007-06-26 | 2007-06-26 | 극장 디밍 벅타입 led 구동 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101336027A true CN101336027A (zh) | 2008-12-31 |
CN101336027B CN101336027B (zh) | 2011-12-07 |
Family
ID=40198258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008101262311A Expired - Fee Related CN101336027B (zh) | 2007-06-26 | 2008-06-26 | 调光降压式led驱动装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8018177B2 (zh) |
JP (1) | JP4688905B2 (zh) |
KR (1) | KR100887087B1 (zh) |
CN (1) | CN101336027B (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101984733A (zh) * | 2010-11-25 | 2011-03-09 | 张晶珏 | 一种起亮点低、无闪烁的led灯调光装置与方法 |
WO2011097799A1 (zh) * | 2010-02-10 | 2011-08-18 | 香港理工大学 | 一种提高发光二极管发光效能的驱动方法和系统 |
CN102215624A (zh) * | 2010-09-10 | 2011-10-12 | 成都芯源系统有限公司 | 具有自适应滞环控制电路的led驱动器及其控制方法 |
CN102630115A (zh) * | 2012-04-23 | 2012-08-08 | 圣邦微电子(北京)股份有限公司 | 具有自动电流调节功能的led驱动器 |
WO2013082746A1 (en) * | 2011-12-05 | 2013-06-13 | General Electric Company | Step-dimming solution for lamp ballast |
CN103167689A (zh) * | 2011-12-14 | 2013-06-19 | 马克西姆综合产品公司 | 用于led照明的效率调节 |
CN103533703A (zh) * | 2012-06-28 | 2014-01-22 | 三星电机株式会社 | 用于驱动led灯的电路及方法 |
CN104168687A (zh) * | 2013-05-17 | 2014-11-26 | 力林科技股份有限公司 | 发光二极管驱动装置及应用其的发光二极管背光系统 |
CN105979660A (zh) * | 2016-06-24 | 2016-09-28 | 深圳市富满电子集团股份有限公司 | 一种led灯、led色温调节控制芯片及电路 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101742803B (zh) * | 2008-11-12 | 2013-08-28 | 成都芯源系统有限公司 | 一种脉冲调光电路及脉冲调光方法 |
KR101102724B1 (ko) * | 2009-09-29 | 2012-01-05 | 엘지이노텍 주식회사 | 인버터용 집적 회로를 이용한 제로 디밍장치 |
AT12464U1 (de) * | 2010-10-08 | 2012-05-15 | Tridonic Ag | Betriebsschaltung für leuchtdioden |
US8471501B2 (en) | 2011-02-22 | 2013-06-25 | Solomon Systech Limited | Illumination brightness control apparatus and method |
TW201236499A (en) * | 2011-02-24 | 2012-09-01 | Hanergy Technologies Inc | LED driver circuit |
JP5576819B2 (ja) * | 2011-03-23 | 2014-08-20 | パナソニック株式会社 | 点灯装置及び照明器具 |
US9183786B2 (en) | 2011-06-13 | 2015-11-10 | Samsung Display Co., Ltd. | Constant current driving circuit and light emitting diode backlight apparatus using the same |
TW201320813A (zh) | 2011-11-15 | 2013-05-16 | Ind Tech Res Inst | 光源裝置及其驅動裝置 |
US9155139B2 (en) | 2012-03-09 | 2015-10-06 | Rockwell Automation Technologies, Inc. | LED driver circuits and methods |
JP6283187B2 (ja) * | 2013-09-30 | 2018-02-21 | ローム株式会社 | Led電源装置 |
CN105451403B (zh) * | 2014-06-20 | 2019-01-22 | 欧普照明股份有限公司 | 发光亮度段级控制方法及电路、分段调光的照明系统 |
TWI709292B (zh) * | 2019-02-13 | 2020-11-01 | 益力半導體股份有限公司 | 智慧型假負載電量消耗系統 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3868546A (en) * | 1973-03-26 | 1975-02-25 | Hunt Electronics Company | Light dimming system for controlling brightness and rate of change of brightness of lights |
KR19990062405A (ko) * | 1997-12-03 | 1999-07-26 | 홍성표 | 발광 다이오드의 구동회로 및 구동방법 |
KR100524629B1 (ko) | 2002-07-02 | 2005-10-31 | 주식회사 오닉스테크놀로지스 | 액정디스플래이 백라이트 인버터 드라이브 회로 |
JP2004071376A (ja) * | 2002-08-07 | 2004-03-04 | Matsushita Electric Ind Co Ltd | 電飾器 |
JP2004235498A (ja) * | 2003-01-31 | 2004-08-19 | Anden | 発光ダイオードの制御装置 |
JP4160458B2 (ja) * | 2003-07-08 | 2008-10-01 | 矢崎総業株式会社 | Led駆動回路 |
JP2005174725A (ja) * | 2003-12-11 | 2005-06-30 | Matsushita Electric Works Ltd | 発光ダイオードの点灯回路ならびにそれを用いる照明ユニットおよび調光システム |
JP4060840B2 (ja) * | 2004-10-01 | 2008-03-12 | 松下電器産業株式会社 | 発光ダイオード駆動用半導体回路、及びそれを有する発光ダイオード駆動装置 |
KR100628716B1 (ko) * | 2005-02-02 | 2006-09-28 | 삼성전자주식회사 | Led구동장치 |
KR100587022B1 (ko) * | 2005-05-18 | 2006-06-08 | 삼성전기주식회사 | 디밍 회로를 갖는 led 구동회로 |
KR100691188B1 (ko) * | 2005-07-13 | 2007-03-09 | 삼성전기주식회사 | Led 어레이 구동 장치 |
JP4535385B2 (ja) * | 2005-08-01 | 2010-09-01 | 株式会社小糸製作所 | 車両用灯具の点灯制御装置 |
US7847783B2 (en) * | 2005-10-11 | 2010-12-07 | O2Micro International Limited | Controller circuitry for light emitting diodes |
US7759881B1 (en) * | 2008-03-31 | 2010-07-20 | Cirrus Logic, Inc. | LED lighting system with a multiple mode current control dimming strategy |
TWI394485B (zh) * | 2008-06-18 | 2013-04-21 | Ite Tech Inc | 發光元件驅動電路及其方法 |
-
2007
- 2007-06-26 KR KR1020070063096A patent/KR100887087B1/ko not_active IP Right Cessation
-
2008
- 2008-06-20 JP JP2008161577A patent/JP4688905B2/ja not_active Expired - Fee Related
- 2008-06-25 US US12/213,809 patent/US8018177B2/en active Active
- 2008-06-26 CN CN2008101262311A patent/CN101336027B/zh not_active Expired - Fee Related
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011097799A1 (zh) * | 2010-02-10 | 2011-08-18 | 香港理工大学 | 一种提高发光二极管发光效能的驱动方法和系统 |
CN102215624A (zh) * | 2010-09-10 | 2011-10-12 | 成都芯源系统有限公司 | 具有自适应滞环控制电路的led驱动器及其控制方法 |
CN101984733A (zh) * | 2010-11-25 | 2011-03-09 | 张晶珏 | 一种起亮点低、无闪烁的led灯调光装置与方法 |
CN104255084A (zh) * | 2011-12-05 | 2014-12-31 | 通用电气公司 | 用于灯镇流器的分步调光方法 |
WO2013082746A1 (en) * | 2011-12-05 | 2013-06-13 | General Electric Company | Step-dimming solution for lamp ballast |
CN104255084B (zh) * | 2011-12-05 | 2016-04-27 | 通用电气公司 | 用于灯镇流器的分步调光方法 |
CN103167689A (zh) * | 2011-12-14 | 2013-06-19 | 马克西姆综合产品公司 | 用于led照明的效率调节 |
CN103167689B (zh) * | 2011-12-14 | 2018-01-09 | 马克西姆综合产品公司 | 用于led照明的效率调节 |
CN102630115A (zh) * | 2012-04-23 | 2012-08-08 | 圣邦微电子(北京)股份有限公司 | 具有自动电流调节功能的led驱动器 |
CN103533703A (zh) * | 2012-06-28 | 2014-01-22 | 三星电机株式会社 | 用于驱动led灯的电路及方法 |
CN104168687A (zh) * | 2013-05-17 | 2014-11-26 | 力林科技股份有限公司 | 发光二极管驱动装置及应用其的发光二极管背光系统 |
CN104168687B (zh) * | 2013-05-17 | 2016-06-22 | 力林科技股份有限公司 | 发光二极管驱动装置及应用其的发光二极管背光系统 |
CN105979660A (zh) * | 2016-06-24 | 2016-09-28 | 深圳市富满电子集团股份有限公司 | 一种led灯、led色温调节控制芯片及电路 |
CN105979660B (zh) * | 2016-06-24 | 2017-12-19 | 深圳市富满电子集团股份有限公司 | 一种led灯、led色温调节控制芯片及电路 |
Also Published As
Publication number | Publication date |
---|---|
KR100887087B1 (ko) | 2009-03-04 |
JP2009009943A (ja) | 2009-01-15 |
CN101336027B (zh) | 2011-12-07 |
KR20080113986A (ko) | 2008-12-31 |
JP4688905B2 (ja) | 2011-05-25 |
US8018177B2 (en) | 2011-09-13 |
US20090322247A1 (en) | 2009-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HU'NAN QIU ZEYOU PATENT STRATEGIC PLANNING CO., LT Free format text: FORMER OWNER: QIU ZEYOU Effective date: 20101028 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 410011 28/F, SHUNTIANCHENG, NO.59, SECTION 2 OF FURONG MIDDLE ROAD, CHANGSHA CITY, HU'NAN PROVINCE TO: 410205 JUXING INDUSTRY BASE, NO.8, LUJING ROAD, CHANGSHA HIGH-TECH. DEVELOPMENT ZONE, YUELU DISTRICT, CHANGSHA CITY, HU'NAN PROVINCE |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20101109 Address after: Gyeonggi Do, South Korea Applicant after: Samsung Electro-Mechanics Co., Ltd. Co-applicant after: Samsung LED Co., Ltd. Address before: Gyeonggi Do, South Korea Applicant before: Samsung Electro-Mechanics Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG ELECTRONICS CO., LTD. Free format text: FORMER OWNER: SAMSUNG LED CO., LTD. Effective date: 20130105 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130105 Address after: Gyeonggi Do, South Korea Patentee after: Samsung Electro-Mechanics Co., Ltd. Patentee after: Samsung Electronics Co., Ltd. Address before: Gyeonggi Do, South Korea Patentee before: Samsung Electro-Mechanics Co., Ltd. Patentee before: Samsung LED Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20160626 |
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CF01 | Termination of patent right due to non-payment of annual fee |