TW200738057A - Negative voltage driving circuit and method for LED and LED illumination device - Google Patents
Negative voltage driving circuit and method for LED and LED illumination deviceInfo
- Publication number
- TW200738057A TW200738057A TW095109567A TW95109567A TW200738057A TW 200738057 A TW200738057 A TW 200738057A TW 095109567 A TW095109567 A TW 095109567A TW 95109567 A TW95109567 A TW 95109567A TW 200738057 A TW200738057 A TW 200738057A
- Authority
- TW
- Taiwan
- Prior art keywords
- led
- negative voltage
- driving circuit
- illumination device
- voltage driving
- Prior art date
Links
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A negative voltage driving circuit for LED comprises a white light LED and a negative voltage generating circuit, wherein the negative voltage generating circuit is used for generating a negative voltage to drive the white light LED whereby improving the light efficiency of the white light LED.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095109567A TW200738057A (en) | 2006-03-21 | 2006-03-21 | Negative voltage driving circuit and method for LED and LED illumination device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095109567A TW200738057A (en) | 2006-03-21 | 2006-03-21 | Negative voltage driving circuit and method for LED and LED illumination device |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200738057A true TW200738057A (en) | 2007-10-01 |
Family
ID=57913730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095109567A TW200738057A (en) | 2006-03-21 | 2006-03-21 | Negative voltage driving circuit and method for LED and LED illumination device |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW200738057A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI400678B (en) * | 2008-05-02 | 2013-07-01 | Richtek Technology Corp | Led driving topology, light source module based thereon, and digital camera having the same |
TWI478632B (en) * | 2008-03-21 | 2015-03-21 | Himax Analogic Inc | Driving circuit and method for led |
TWI480171B (en) * | 2011-06-16 | 2015-04-11 | Microjet Technology Co Ltd | Control device for driver |
CN114913817A (en) * | 2021-02-07 | 2022-08-16 | 海信视像科技股份有限公司 | Display device and display control method |
-
2006
- 2006-03-21 TW TW095109567A patent/TW200738057A/en unknown
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI478632B (en) * | 2008-03-21 | 2015-03-21 | Himax Analogic Inc | Driving circuit and method for led |
TWI400678B (en) * | 2008-05-02 | 2013-07-01 | Richtek Technology Corp | Led driving topology, light source module based thereon, and digital camera having the same |
TWI480171B (en) * | 2011-06-16 | 2015-04-11 | Microjet Technology Co Ltd | Control device for driver |
CN114913817A (en) * | 2021-02-07 | 2022-08-16 | 海信视像科技股份有限公司 | Display device and display control method |
CN114913817B (en) * | 2021-02-07 | 2024-04-30 | 海信视像科技股份有限公司 | Display device and display control method |
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