TW201010509A - LED light bulb operable within wide voltage interval - Google Patents

LED light bulb operable within wide voltage interval Download PDF

Info

Publication number
TW201010509A
TW201010509A TW97131542A TW97131542A TW201010509A TW 201010509 A TW201010509 A TW 201010509A TW 97131542 A TW97131542 A TW 97131542A TW 97131542 A TW97131542 A TW 97131542A TW 201010509 A TW201010509 A TW 201010509A
Authority
TW
Taiwan
Prior art keywords
voltage
light
current
resistor
circuit
Prior art date
Application number
TW97131542A
Other languages
English (en)
Chinese (zh)
Other versions
TWI387397B (enExample
Inventor
Sheng-Ji Liao
Original Assignee
Witek Entpr Co Ltd
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 Witek Entpr Co Ltd filed Critical Witek Entpr Co Ltd
Priority to TW97131542A priority Critical patent/TW201010509A/zh
Publication of TW201010509A publication Critical patent/TW201010509A/zh
Application granted granted Critical
Publication of TWI387397B publication Critical patent/TWI387397B/zh

Links

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
TW97131542A 2008-08-19 2008-08-19 LED light bulb operable within wide voltage interval TW201010509A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW97131542A TW201010509A (en) 2008-08-19 2008-08-19 LED light bulb operable within wide voltage interval

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW97131542A TW201010509A (en) 2008-08-19 2008-08-19 LED light bulb operable within wide voltage interval

Publications (2)

Publication Number Publication Date
TW201010509A true TW201010509A (en) 2010-03-01
TWI387397B TWI387397B (enExample) 2013-02-21

Family

ID=44828194

Family Applications (1)

Application Number Title Priority Date Filing Date
TW97131542A TW201010509A (en) 2008-08-19 2008-08-19 LED light bulb operable within wide voltage interval

Country Status (1)

Country Link
TW (1) TW201010509A (enExample)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001325824A (ja) * 2000-05-17 2001-11-22 Kyocera Corp 携帯用端末におけるバックライト用発光ダイオードの駆動回路
JP4017643B2 (ja) * 2005-08-24 2007-12-05 シャープ株式会社 電源回路およびこれを備える電子機器
TW200822014A (en) * 2006-11-09 2008-05-16 Tze-Ru Lin Efficient light-emitting diode driver circuit with stable operating current
TWI366808B (en) * 2007-01-31 2012-06-21 Chimei Innolux Corp Liquid crystal display apparatus, back-light module and light source driving circuit thereof

Also Published As

Publication number Publication date
TWI387397B (enExample) 2013-02-21

Similar Documents

Publication Publication Date Title
TWI432078B (zh) 具有可控制電流源的光元件陣列及其操作方法
US6586890B2 (en) LED driver circuit with PWM output
JP2012520562A (ja) 白熱ランプの色温度挙動を有するｌｅｄ照明デバイス
US8466632B2 (en) LED device
CN107787606B (zh) Led照明装置
CN106195728B (zh) 发光二极管灯以及用于驱动发光二极管灯的方法
CN108029171A (zh) 用于多个led的照明控制电路和方法
JP2010055843A (ja) 照明点灯装置、照明装置及び照明器具
US8350491B2 (en) Self adjusting power supply apparatus and method
US20130147358A1 (en) Self-Power for Device Driver
JP2007123252A (ja) Ｌｅｄ照明装置
JP6482544B2 (ja) 照明要素用の駆動ユニットとその動作方法
KR101413878B1 (ko) 발광다이오드를 이용한 조명 시스템의 구동장치
US20160366732A1 (en) Driver arrangement
CN204681625U (zh) 输入前馈led驱动电路
JP2006206001A (ja) Ｌｅｄ駆動装置、照明装置、照明器具
CN113271700B (zh) 灯光系统
CN107743723B (zh) 用于车辆的照明装置的led灯光模块
CN211429572U (zh) 一种用于升压恒流调光电路的调光深度控制电路
TW201010509A (en) LED light bulb operable within wide voltage interval
US8933640B2 (en) Circuitry for current regulated, externally controlled LED driving
KR20110005550A (ko) 발광 다이오드 구동 장치 및 조명
TWI399128B (zh) 控制發光二極體之電荷泵驅動電路之方法及電路
TWI567445B (zh) 光源裝置
CN102149236B (zh) 能在宽幅电压区间运作的发光二极管灯泡

Legal Events

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