Passive cooling assembly for flat panel displays with integrated high power components

Passive cooling of flat panel display designs with integrated high power components is investigated with the help of recently available semi-empirical and CFD based heat transfer correlations. A heat-spreader-heat-sink assembly is proposed for effective external natural convection cooling of the dis...

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Bibliographic Details
Published in:IEEE transactions on consumer electronics 2009-08, Vol.55 (3), p.1707-1713
Main Author: Tari, I.
Format: Article
Language:English
Subjects:
Assembly
Computational fluid dynamics
Conversion
Cooling
Fans
Flat panel displays
Games
Heat sinks
Heat transfer
High definition video
Panels
Passive cooling
radiative heat transfer
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Summary:Passive cooling of flat panel display designs with integrated high power components is investigated with the help of recently available semi-empirical and CFD based heat transfer correlations. A heat-spreader-heat-sink assembly is proposed for effective external natural convection cooling of the display panel. A flat vertical surface and plate finned heat sinks with various fin heights are considered as heat sinks in the assembly. Heat dissipation limits for both types of heat sinks are determined for various panel dimensions. It is shown that for large panels, it is feasible to use passive cooling even when integrated computer components are used in panels for demanding applications such as video games, high definition video processing and 2- D to 3-D conversion.
ISSN:0098-3063
1558-4127
DOI:10.1109/TCE.2009.5278046