High-Performance Heat Sink for Solid-State Lighting

被引：0
|
作者：
Vetrovec, John [1 ]
Litt, Amardeep [1 ]
机构：
[1] Aqwest LLC, Larkspur, CO USA
来源：
LIGHT-EMITTING DIODES: MATERIALS, DEVICES, AND APPLICATIONS FOR SOLID STATE LIGHTING XIII | 2009年 / 7231卷
关键词：
Light emitting diodes; LED; junction temperature; solid-state lighting; thermal management; heat sink;
D O I：
10.1117/12.808662
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We report on a novel high-performance active heat sink (AHS) offering unparalleled capacity in high-heat flux handling, heat spreading, and temperature control. AHS couples directly to standard high-brightness light emitting diodes (LED) packages. It efficiently removes high-flux waste heat from the LED slug and transfers it to ambient air. AHS has variable thermal conductance that can be electronically adjusted to compensate for changes in ambient temperatures or to adjust the light color. This paper presents AHS physics, engineering design, and results from numerical simulations. Applications to screw-in replacements for the R30 lamp are discussed.
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页数：9
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