Plasma Display Panels (PDPs) are a popular technology for large size television displays. Screen inefficiencies, which result in significant localized heat generation, necessitate the use of advanced thermal management materials to reduce both the peak temperatures and the spatial temperature variations across the screen. In the current study, infrared thermography was used to obtain thermal maps of a typical, 42", high-definition PDP screen for different illumination patterns and for several configurations of externally controlled heaters, simulating PDP heat generation. The results were used to validate a 3-dimensional numerical thermal model of the PDP which was then used to predict the beneficial effects of anisotropic graphite heat spreaders on the temperature distribution of the PDP. In addition, a color analyzer was used to determine the spatial and temporal variations in luminosity across the PDP when operated continuously for 1750 hours with different illumination patterns. The thermal model and experimental luminosity characteristics are used to evaluate the deleterious effects of temperature on PDP performance.
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ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference
July 8–12, 2007
Vancouver, British Columbia, Canada
Conference Sponsors:
- Heat Transfer Division
ISBN:
0-7918-4276-2
PROCEEDINGS PAPER
Thermal Modeling and Luminosity Characterization of a Plasma Display Panel
Jeffry Kahn,
Jeffry Kahn
University of Maryland, College Park, MD
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Avram Bar-Cohen
Avram Bar-Cohen
University of Maryland, College Park, MD
Search for other works by this author on:
Jeffry Kahn
University of Maryland, College Park, MD
Avram Bar-Cohen
University of Maryland, College Park, MD
Paper No:
HT2007-32834, pp. 289-296; 8 pages
Published Online:
August 24, 2009
Citation
Kahn, J, & Bar-Cohen, A. "Thermal Modeling and Luminosity Characterization of a Plasma Display Panel." Proceedings of the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference. ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 3. Vancouver, British Columbia, Canada. July 8–12, 2007. pp. 289-296. ASME. https://doi.org/10.1115/HT2007-32834
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