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 device

Info

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
Application number
TW095109567A
Other languages
Chinese (zh)
Inventor
Zi-Wei Huang
Original Assignee
Anachip Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anachip Corp filed Critical Anachip Corp
Priority to TW095109567A priority Critical patent/TW200738057A/en
Publication of TW200738057A publication Critical patent/TW200738057A/en

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.
TW095109567A 2006-03-21 2006-03-21 Negative voltage driving circuit and method for LED and LED illumination device TW200738057A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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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