NDLI: Pulse thermography measurements of heat dissipation from high power LED

Content Provider	IEEE Xplore Digital Library
Author	Swiatczak, T. Olbrycht, R. Apolinarzak, J. Wiecek, B. De Mey, G.
Copyright Year	2009
Description	Author affiliation: Department of Electronics and Information Systems, University of Ghent, Belgium (De Mey, G.) \|\| Institute of Electronics, Technical University of Lodz, Poland (Swiatczak, T.; Olbrycht, R.; Apolinarzak, J.; Wiecek, B.)
Abstract	In the article authors focused on the research of heat dissipation problem in electronic devices. For this purpose, a series of thermovision measurements were carried out, and the object of the research was a high-power LED diode attached to a radiator. During the research, diode cooling conditions were to change as a result of changing the properties of contact to the radiator. Authors found out the dependence between the thermal response of the set-up and diode cooling conditions, that were affected by a quality of diode-radiator contact and additionally the convection between the radiator and ambience. Thermal response time characteristics of the set-up during normal diode operation were determined. Next, using FFT transform, the response in frequency domain was calculated. Gained data consisting of amplitude and phase values of the thermal response of the diode-radiator set-up during work allowed authors to estimate its cooling conditions, with particular interest set to the quality of thermal connection between the diode and radiator.
Starting Page	375
Ending Page	377
File Size	164414
Page Count	3
File Format	PDF
ISBN	9781424447985
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-25
Publisher Place	Poland
Access Restriction	Subscribed
Rights Holder	Tech Univ of Lodz
Subject Keyword	LED diode Pulse measurements Electronics cooling thermovision measurements Light emitting diodes Pulse circuits thermal response thermal resistance Silver Power measurement Thermal resistance Phase estimation radiator Production Integrated circuit measurements convection cooling
Content Type	Text
Resource Type	Article

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