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Subject

A Study on the 150W High-power Flood LED Lighting Engine using Heat Spreader
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히트 스프레더를 적용한 150W급 고출력 투광등용 LED 광학엔진 연구

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Type
Academic journal
Author
Min-Gyu Kang (Pukyong National University) In-Sung Her (Pukyong National University) Young Moon Yu (Pukyong National University) Hee-Lack Choi (Pukyong National University)
Journal
The Korean Institute of Illuminating and electrical Installation Engineers Journal of the Korean Institute of Illuminating and Electrical Installation Engineers Vol.31 No.1 KCI Accredited Journals
Published
2017.1
Pages
26 - 34 (9page)
DOI
10.5207/JIEIE.2017.31.1.026

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Result
A Study on the 150W High-power Flood LED Lighting Engine using Heat Spreader
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Abstract· Keywords

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In this paper, design and heat dissipation of the LED lighting engine using the heat spreader were investigated to reduce weight and improve heat dissipation of 150W LED light. LED optical light engine A with heat spreader was lighter 3.8kg than LED optical light engine B with fin type heat sink. As a result of heat dissipation analysis, the maximum and average temperatures of the LED package using LED lighting engine A were lowered 2.16℃ and 3.45℃, than those using LED lighting engine B, respectively. The surface temperatures of the PCB in LED lighting engine A were lower than those of LED lighting engine B. The temperature difference between LED package and PCB of LED lighting engine A and B were 2.76℃ and 2.88℃, respectively. The thermal resistances of LED lighting engine A and B were measured 0.418K/W, 0.411K/W and junction temperatures were measured to be 80.47℃, 85.58℃, respectively. CFD analysis showed that thermal dissipation performance of LED lighting engine A were improved than LED lighting engine B in terms of thermal image surface temperature distribution and thermal resistance. The weight of LED lighting engine A was reduced by 45% compared to the LED lighting engine B.

Contents

Abstract
1. 서론
2. 이론적 고찰
3. 실험방법
4. 실험 결과 및 분석
5. 결론
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UCI(KEPA) : I410-ECN-0101-2017-565-002023937