TW200822014A - Efficient light-emitting diode driver circuit with stable operating current - Google Patents

Efficient light-emitting diode driver circuit with stable operating current Download PDF

Info

Publication number
TW200822014A
TW200822014A TW95141508A TW95141508A TW200822014A TW 200822014 A TW200822014 A TW 200822014A TW 95141508 A TW95141508 A TW 95141508A TW 95141508 A TW95141508 A TW 95141508A TW 200822014 A TW200822014 A TW 200822014A
Authority
TW
Taiwan
Prior art keywords
circuit
resistor
light
current
voltage
Prior art date
Application number
TW95141508A
Other languages
English (en)
Chinese (zh)
Other versions
TWI354961B (enrdf_load_stackoverflow
Inventor
Tze-Ru Lin
Jia-Fen Ye
Original Assignee
Tze-Ru Lin
Jia-Fen Ye
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 Tze-Ru Lin, Jia-Fen Ye filed Critical Tze-Ru Lin
Priority to TW95141508A priority Critical patent/TW200822014A/zh
Publication of TW200822014A publication Critical patent/TW200822014A/zh
Application granted granted Critical
Publication of TWI354961B publication Critical patent/TWI354961B/zh

Links

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
TW95141508A 2006-11-09 2006-11-09 Efficient light-emitting diode driver circuit with stable operating current TW200822014A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW95141508A TW200822014A (en) 2006-11-09 2006-11-09 Efficient light-emitting diode driver circuit with stable operating current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW95141508A TW200822014A (en) 2006-11-09 2006-11-09 Efficient light-emitting diode driver circuit with stable operating current

Publications (2)

Publication Number Publication Date
TW200822014A true TW200822014A (en) 2008-05-16
TWI354961B TWI354961B (enrdf_load_stackoverflow) 2011-12-21

Family

ID=44770684

Family Applications (1)

Application Number Title Priority Date Filing Date
TW95141508A TW200822014A (en) 2006-11-09 2006-11-09 Efficient light-emitting diode driver circuit with stable operating current

Country Status (1)

Country Link
TW (1) TW200822014A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI387397B (enrdf_load_stackoverflow) * 2008-08-19 2013-02-21
TWI411354B (zh) * 2009-11-03 2013-10-01 Himax Analogic Inc 開關電路及發光二極體電路
TWI425879B (zh) * 2009-07-30 2014-02-01 My Semi Inc 發光二極體的驅動系統及其驅動裝置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI483041B (zh) 2012-09-19 2015-05-01 Au Optronics Corp 背光模組

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI387397B (enrdf_load_stackoverflow) * 2008-08-19 2013-02-21
TWI425879B (zh) * 2009-07-30 2014-02-01 My Semi Inc 發光二極體的驅動系統及其驅動裝置
TWI411354B (zh) * 2009-11-03 2013-10-01 Himax Analogic Inc 開關電路及發光二極體電路

Also Published As

Publication number Publication date
TWI354961B (enrdf_load_stackoverflow) 2011-12-21

Similar Documents

Publication Publication Date Title
US7710049B2 (en) Driver and method for driving LEDS on multiple branch circuits
US9277615B2 (en) LED drive circuit
CN100526956C (zh) 用于lcd背光的逆变器驱动电路
TW200816868A (en) Light emitting diode (LED) driving system and method
TW200822800A (en) Light emitting diode driver and display using the same
TW201212708A (en) Control circuit for switching power supply, control method for switching power supply, light emitting apparatus and electronic device using the same
CN101199106A (zh) 升压型开关调节器及其控制电路、使用了它的电子设备
CN102256418B (zh) Pwm调光电路
CN101207950A (zh) 发光二极管的驱动方法、系统以及冗余电路
KR20150127662A (ko) 액정 디스플레이 장치, led 백라이트 및 그 구동 방법
WO2006077909A1 (ja) 定電流回路、それを用いた電源装置および発光装置
Mu et al. A high precision constant current source applied in LED driver
US8884545B2 (en) LED driving system and driving method thereof
CN108430139B (zh) 具有可控硅调光器的led驱动电路及其控制方法
JP2010056314A (ja) 発光ダイオードの駆動回路、それを用いた発光装置および照明装置
CN104170099A (zh) Led驱动电路
EP3592117A1 (en) Protective circuit and led driving circuit
CN103687163B (zh) 发光二极管驱动装置及其运作方法
TW200822014A (en) Efficient light-emitting diode driver circuit with stable operating current
KR101413878B1 (ko) 발광다이오드를 이용한 조명 시스템의 구동장치
KR101932366B1 (ko) 액정 디스플레이 장비를 위한 led 백라이트 소스 및 액정 디스플레이 장비
TW201318481A (zh) 轉換器及其轉換控制電路
JP5322849B2 (ja) 発光ダイオードの駆動回路、それを用いた発光装置および照明装置
CN104168688B (zh) 具备多级驱动阶段的发光二极管照明装置
CN102665323B (zh) 发光二极管串的驱动方法、驱动电路及其驱动方法

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees