HK1110738A1 - Led control circuit and method therefor - Google Patents
Led control circuit and method thereforInfo
- Publication number
- HK1110738A1 HK1110738A1 HK08101369.3A HK08101369A HK1110738A1 HK 1110738 A1 HK1110738 A1 HK 1110738A1 HK 08101369 A HK08101369 A HK 08101369A HK 1110738 A1 HK1110738 A1 HK 1110738A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- control circuit
- method therefor
- led control
- led
- therefor
- 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
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/399,523 US7839099B2 (en) | 2006-04-07 | 2006-04-07 | LED control circuit and method therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1110738A1 true HK1110738A1 (en) | 2008-07-18 |
Family
ID=38574530
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK08101369.3A HK1110738A1 (en) | 2006-04-07 | 2008-02-05 | Led control circuit and method therefor |
HK11101515.1A HK1147640A1 (en) | 2006-04-07 | 2011-02-16 | Led control circuit and method therefor |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK11101515.1A HK1147640A1 (en) | 2006-04-07 | 2011-02-16 | Led control circuit and method therefor |
Country Status (5)
Country | Link |
---|---|
US (1) | US7839099B2 (xx) |
KR (1) | KR101415621B1 (xx) |
CN (2) | CN101868102B (xx) |
HK (2) | HK1110738A1 (xx) |
TW (1) | TWI425860B (xx) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090295307A1 (en) * | 2008-05-28 | 2009-12-03 | Spectronics Corporation | Inspection lamp with buck boost circuit control |
US20100283773A1 (en) * | 2009-05-08 | 2010-11-11 | Yong-Hun Kim | Driving integrated circuit and image display device including the same |
WO2011038100A1 (en) * | 2009-09-23 | 2011-03-31 | 3M Innovative Properties Company | Lighting assembly |
CN103150990B (zh) * | 2011-09-28 | 2014-08-06 | 合肥工业大学 | 具有多种镜像比的led显示屏恒流驱动电路 |
CN103198789B (zh) * | 2011-09-28 | 2014-08-06 | 合肥工业大学 | 具有高恒流精度的led显示屏恒流驱动电路 |
EP2648482A1 (en) | 2012-04-05 | 2013-10-09 | Koninklijke Philips N.V. | LED lighting system |
TW201426237A (zh) * | 2012-12-18 | 2014-07-01 | Richtek Technology Corp | 電流控制電路與電流控制方法 |
US9773443B2 (en) * | 2013-06-06 | 2017-09-26 | Intel Corporation | Thin film transistor display backplane and pixel circuit therefor |
US9179527B2 (en) | 2013-07-16 | 2015-11-03 | General Electric Company | Programmable light emitting diode (LED) driver technique based upon a prefix signal |
US9131578B2 (en) * | 2013-07-16 | 2015-09-08 | General Electric Company | Programmable light emitting diode (LED) driver technique based upon an input voltage signal |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3032620B2 (ja) * | 1991-09-13 | 2000-04-17 | 松下電工株式会社 | 色温度可変照明装置 |
JP3732345B2 (ja) * | 1998-02-10 | 2006-01-05 | 株式会社沖データ | 駆動回路、ledヘッド及びプリンタ |
US6362578B1 (en) * | 1999-12-23 | 2002-03-26 | Stmicroelectronics, Inc. | LED driver circuit and method |
US7038399B2 (en) * | 2001-03-13 | 2006-05-02 | Color Kinetics Incorporated | Methods and apparatus for providing power to lighting devices |
GB2389952A (en) * | 2002-06-18 | 2003-12-24 | Cambridge Display Tech Ltd | Driver circuits for electroluminescent displays with reduced power consumption |
US6798152B2 (en) * | 2002-08-21 | 2004-09-28 | Freescale Semiconductor, Inc. | Closed loop current control circuit and method thereof |
JP4039623B2 (ja) * | 2002-11-25 | 2008-01-30 | 本田技研工業株式会社 | 発光ダイオード点灯回路 |
US6952334B2 (en) * | 2003-10-07 | 2005-10-04 | Semiconductor Components Industries, L.L.C. | Linear regulator with overcurrent protection |
JP4262083B2 (ja) * | 2003-12-25 | 2009-05-13 | キャタピラージャパン株式会社 | 建設機械用モニタの過熱防止構造 |
US7466082B1 (en) * | 2005-01-25 | 2008-12-16 | Streamlight, Inc. | Electronic circuit reducing and boosting voltage for controlling LED current |
-
2006
- 2006-04-07 US US11/399,523 patent/US7839099B2/en active Active
-
2007
- 2007-03-19 TW TW096109384A patent/TWI425860B/zh active
- 2007-03-20 KR KR1020070027033A patent/KR101415621B1/ko active IP Right Grant
- 2007-03-27 CN CN2010102196846A patent/CN101868102B/zh active Active
- 2007-03-27 CN CN2007100884483A patent/CN101052256B/zh active Active
-
2008
- 2008-02-05 HK HK08101369.3A patent/HK1110738A1/xx unknown
-
2011
- 2011-02-16 HK HK11101515.1A patent/HK1147640A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CN101052256B (zh) | 2010-09-08 |
US7839099B2 (en) | 2010-11-23 |
KR101415621B1 (ko) | 2014-07-04 |
CN101868102A (zh) | 2010-10-20 |
CN101052256A (zh) | 2007-10-10 |
US20070236158A1 (en) | 2007-10-11 |
TWI425860B (zh) | 2014-02-01 |
TW200739481A (en) | 2007-10-16 |
HK1147640A1 (en) | 2011-08-12 |
KR20070100638A (ko) | 2007-10-11 |
CN101868102B (zh) | 2013-01-23 |
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