National Taiwan Ocean University Institutional Repository:Item 987654321/32547
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题名: Vapor chamber in high power LEDs
作者: Jung-Chang Wang;Chun-Ling Huang
贡献者: 國立臺灣海洋大學:輪機工程學系
日期: 2010-10
上传时间: 2012-06-18T06:00:11Z
出版者: Microsystems Packaging Assembly and Circuits Technology Conference (IMPACT), 2010 5th International
摘要: Abstract:The vapor chamber has already been confirmed that its anti-gravity, high effective thermal conductivity and suited on the high heat flux of heat source as the integral heat spreader. This article describes how to evaluate the thermal-performance of LED vapor chamber-based plate with VCTM V1.0, which has existed in the thermal-module industry for a year or so especially in high power LEDs application. There are three kinds of LED based plates utilized to discuss the thermal performance and illumination. From the results, the thermal performance of the LED vapor chamber-based plate is many times than that of LED copper- and aluminum-based plate. And the LED vapor chamber-based plate works out hot-spot problem of 50 Watt high-power LEDs, successfully. The results are shown that the experimental thermal resistance values of LED copper- and vapor chamber-based plate respectively are 0.41°C/W and 0.38°C/W at 6 Watt. And the illumination of 6 Watt LED vapor chamber-based plate is larger 5 % than the 6 Watt. Thus, the LED vapor chamber-based plate has the best thermal performance above 5 Watt.
關聯: pp.1-4
URI: http://ntour.ntou.edu.tw/handle/987654321/32547
显示于类别:[輪機工程學系] 演講及研討會

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