CN102282912A - 具有精确电流控制的led照明*** - Google Patents
具有精确电流控制的led照明*** Download PDFInfo
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- CN102282912A CN102282912A CN2009801433619A CN200980143361A CN102282912A CN 102282912 A CN102282912 A CN 102282912A CN 2009801433619 A CN2009801433619 A CN 2009801433619A CN 200980143361 A CN200980143361 A CN 200980143361A CN 102282912 A CN102282912 A CN 102282912A
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- 238000000034 method Methods 0.000 claims abstract description 49
- 230000008859 change Effects 0.000 claims description 12
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- 238000004364 calculation method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000012937 correction Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 238000013139 quantization Methods 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 6
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- 230000000694 effects Effects 0.000 description 3
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- 230000014509 gene expression Effects 0.000 description 3
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- 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]
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- 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]
-
- 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
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
-
- 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]
- H05B45/20—Controlling the colour 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
- H05B45/32—Pulse-control circuits
- H05B45/327—Burst dimming
-
- 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
-
- 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
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Abstract
Description
Claims (23)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510369182.4A CN104936355B (zh) | 2008-08-29 | 2009-08-31 | 具有精确电流控制的led照明*** |
CN201510371676.6A CN104955235B (zh) | 2008-08-29 | 2009-08-31 | Led照明***和具有精确电流控制的控制方法 |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9284208P | 2008-08-29 | 2008-08-29 | |
US61/092,842 | 2008-08-29 | ||
US12/339,651 | 2008-12-19 | ||
US12/339,651 US8487546B2 (en) | 2008-08-29 | 2008-12-19 | LED lighting system with accurate current control |
PCT/US2009/055515 WO2010025450A2 (en) | 2008-08-29 | 2009-08-31 | Led lighting system with accurate current control |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510371676.6A Division CN104955235B (zh) | 2008-08-29 | 2009-08-31 | Led照明***和具有精确电流控制的控制方法 |
CN201510369182.4A Division CN104936355B (zh) | 2008-08-29 | 2009-08-31 | 具有精确电流控制的led照明*** |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102282912A true CN102282912A (zh) | 2011-12-14 |
CN102282912B CN102282912B (zh) | 2015-07-29 |
Family
ID=41346698
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980143361.9A Active CN102282912B (zh) | 2008-08-29 | 2009-08-31 | 具有精确电流控制的led照明*** |
CN201510369182.4A Active CN104936355B (zh) | 2008-08-29 | 2009-08-31 | 具有精确电流控制的led照明*** |
CN201510371676.6A Active CN104955235B (zh) | 2008-08-29 | 2009-08-31 | Led照明***和具有精确电流控制的控制方法 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510369182.4A Active CN104936355B (zh) | 2008-08-29 | 2009-08-31 | 具有精确电流控制的led照明*** |
CN201510371676.6A Active CN104955235B (zh) | 2008-08-29 | 2009-08-31 | Led照明***和具有精确电流控制的控制方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US8487546B2 (zh) |
CN (3) | CN102282912B (zh) |
GB (1) | GB2474994B (zh) |
WO (1) | WO2010025450A2 (zh) |
Cited By (7)
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CN105324925A (zh) * | 2013-03-11 | 2016-02-10 | 皇家飞利浦有限公司 | 恒定输出电流控制驱动器中的量化误差减少 |
CN105704854A (zh) * | 2014-12-12 | 2016-06-22 | 首尔半导体株式会社 | 闪烁性能得到改善的led驱动电路及包括此的led照明装置 |
CN106804081A (zh) * | 2015-11-26 | 2017-06-06 | 华硕电脑股份有限公司 | 调光电路与调光控制方法 |
CN107889321A (zh) * | 2016-09-29 | 2018-04-06 | 通用电气照明解决方案有限公司 | 驱动电路 |
US10021748B2 (en) | 2015-08-25 | 2018-07-10 | Siemens Schweiz Ag | Notification appliance |
CN110461066A (zh) * | 2019-08-27 | 2019-11-15 | 杭州必易微电子有限公司 | 用于控制晶体管的控制电路、驱动电路及控制方法 |
CN110461066B (zh) * | 2019-08-27 | 2024-08-02 | 杭州必易微电子有限公司 | 用于控制晶体管的控制电路、驱动电路及控制方法 |
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US20110133659A1 (en) * | 2009-12-06 | 2011-06-09 | Jian-Shen Li | Power Source Control Method for a Multi-module LED Circuit and Related Control Device and LED Circuit |
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CN104955235A (zh) | 2015-09-30 |
GB2474994B (en) | 2013-01-09 |
CN104955235B (zh) | 2018-02-27 |
WO2010025450A3 (en) | 2010-05-20 |
CN104936355B (zh) | 2018-06-15 |
US8742684B2 (en) | 2014-06-03 |
US20130300309A1 (en) | 2013-11-14 |
CN104936355A (zh) | 2015-09-23 |
GB2474994A (en) | 2011-05-04 |
WO2010025450A2 (en) | 2010-03-04 |
GB201102839D0 (en) | 2011-04-06 |
US8487546B2 (en) | 2013-07-16 |
CN102282912B (zh) | 2015-07-29 |
US20100156319A1 (en) | 2010-06-24 |
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