TW200951415A - Method for measuring junction temperature of light emitting diode (LED) - Google Patents

Method for measuring junction temperature of light emitting diode (LED)

Info

Publication number
TW200951415A
TW200951415A TW097121281A TW97121281A TW200951415A TW 200951415 A TW200951415 A TW 200951415A TW 097121281 A TW097121281 A TW 097121281A TW 97121281 A TW97121281 A TW 97121281A TW 200951415 A TW200951415 A TW 200951415A
Authority
TW
Taiwan
Prior art keywords
led
temperature
light emitting
emitting diode
junction temperature
Prior art date
Application number
TW097121281A
Other languages
English (en)
Inventor
Jyh-Chen Chen
Farn-Shiun Hwu
Gwo-Jiun Sheu
Kuan-Chieh Chen
feng-long Lin
Original Assignee
Univ Nat Central
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 Univ Nat Central filed Critical Univ Nat Central
Priority to TW097121281A priority Critical patent/TW200951415A/zh
Priority to US12/194,591 priority patent/US20090306912A1/en
Priority to JP2008233496A priority patent/JP2009294196A/ja
Publication of TW200951415A publication Critical patent/TW200951415A/zh

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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs

Landscapes

  • Led Devices (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
TW097121281A 2008-06-06 2008-06-06 Method for measuring junction temperature of light emitting diode (LED) TW200951415A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TW097121281A TW200951415A (en) 2008-06-06 2008-06-06 Method for measuring junction temperature of light emitting diode (LED)
US12/194,591 US20090306912A1 (en) 2008-06-06 2008-08-20 Method of measuring led junction temperature
JP2008233496A JP2009294196A (ja) 2008-06-06 2008-09-11 発光ダイオード接面温度の計測方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW097121281A TW200951415A (en) 2008-06-06 2008-06-06 Method for measuring junction temperature of light emitting diode (LED)

Publications (1)

Publication Number Publication Date
TW200951415A true TW200951415A (en) 2009-12-16

Family

ID=41401056

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097121281A TW200951415A (en) 2008-06-06 2008-06-06 Method for measuring junction temperature of light emitting diode (LED)

Country Status (3)

Country Link
US (1) US20090306912A1 (zh)
JP (1) JP2009294196A (zh)
TW (1) TW200951415A (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI355484B (en) * 2007-12-14 2012-01-01 Ind Tech Res Inst Apparatus and method for measuring character and c
US8358085B2 (en) 2009-01-13 2013-01-22 Terralux, Inc. Method and device for remote sensing and control of LED lights
US9326346B2 (en) 2009-01-13 2016-04-26 Terralux, Inc. Method and device for remote sensing and control of LED lights
US8628240B2 (en) * 2009-07-14 2014-01-14 Delta Design, Inc. Temperature measurement using a diode with saturation current cancellation
EP3032921A1 (en) 2009-11-17 2016-06-15 Terralux, Inc. Led power-supply detection and control
WO2012037436A1 (en) 2010-09-16 2012-03-22 Terralux, Inc. Communication with lighting units over a power bus
US9596738B2 (en) 2010-09-16 2017-03-14 Terralux, Inc. Communication with lighting units over a power bus
US9107250B2 (en) * 2010-09-23 2015-08-11 Diehl Ako Stiftung & Co. Kg Method of operating an LED lighting system
CN102226737A (zh) * 2011-03-23 2011-10-26 中国科学院上海技术物理研究所 一种检测半导体照明灯具一次与二次散热特性优劣方法
RU2473149C1 (ru) * 2011-11-23 2013-01-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный электротехнический университет "ЛЭТИ" им. В.И. Ульянова (Ленина)" Способ определения температуры активной области светодиода
US8896231B2 (en) 2011-12-16 2014-11-25 Terralux, Inc. Systems and methods of applying bleed circuits in LED lamps
US9265119B2 (en) 2013-06-17 2016-02-16 Terralux, Inc. Systems and methods for providing thermal fold-back to LED lights
CN104133997B (zh) * 2014-07-29 2017-03-15 桂林电子科技大学 基于分离式仿真分析的led灯具结温预测方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5401099A (en) * 1992-02-10 1995-03-28 Sumitomo Electric Industries, Ltd. Method of measuring junction temperature
US7052180B2 (en) * 2002-01-04 2006-05-30 Kelvin Shih LED junction temperature tester
US7444260B2 (en) * 2006-09-25 2008-10-28 Raad Peter E Thermography measurement system for conducting thermal characterization of integrated circuits

Also Published As

Publication number Publication date
US20090306912A1 (en) 2009-12-10
JP2009294196A (ja) 2009-12-17

Similar Documents

Publication Publication Date Title
TW200951415A (en) Method for measuring junction temperature of light emitting diode (LED)
GB2484442B (en) Process, voltage, and temperature sensor
IN2015DN00125A (zh)
MX337507B (es) Metodo de intra - prediccion, y codificador y decodificador que lo utilizan.
GB2515922A (en) Inspection method with barcode identification
MX2013011704A (es) Medicion y supervision submarina.
GB2464846A (en) Methods and systems for predicting equipment operation
FR2962568B1 (fr) Procede de controle de la qualite d'une soudure
MX344685B (es) Sistema y metodo para determinar diametro de alambre de soldadura.
GB2521290A (en) Device and method for predictive calibration
BR112014029464A8 (pt) método e aparelho para determinar um influxo em uma boca de poço
ATE406783T1 (de) Schaltung und verfahren zum überwachen der temperatur einer leuchtdiode
IN2014MU01927A (zh)
TR201903001T4 (tr) Dökme poliamidlerin üretilmesine yönelik yöntem.
GB2506322A (en) Automated and accelerated warm-up and stability check for laser trackers
CY1116568T1 (el) Μεθοδος για λειτουργια εγκαταστασης αιολικης ενεργειας
EA201400939A1 (ru) Способ получения медетомидина с использованием хлорацетона
MX2015014812A (es) Dispositivo suplementario para usar con un dispositivo de inyeccion, un metodo de funcionamiento del mismo y un programa informatico para controlar un dispositivo suplementario para realizar el metodo.
EA201490079A1 (ru) Способ безопасной и экономичной эксплуатации электролизера
BR112012024888A2 (pt) sistema de lavagem do tanque
MX2015010088A (es) Metodo para medir un parametro fisiologico tal como un ritmo biologico, en funcion de al menos dos sensores - dispositivo de medicion asociado.
WO2014043571A3 (en) Method and apparatus for led forward voltage measurement for optimum system efficiency
UA104171C2 (ru) Способ и устройство для изготовления полифосфорной кислоты
WO2011098471A3 (de) Energieversorgungssystem mit regenerativer stromquelle und verfahren zum betrieb eines energieversorgungssystems
SG166015A1 (en) Temperature compensated measurement method and system