A Study on the Long-Term Stability of the Discharge Characteristics by the Small Addition of Nitrogen to Ne-Xe Gas Mixture in AC Plasma Display Panel

In this paper, the long-term stability of the discharge characteristics in a plasma display panel is investigated with the small addition of nitrogen to the conventional Ne-Xe gas mixture. It is found that the characteristics of temporal variation in discharge voltages and full black brightness are...

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Published inIEEE transactions on plasma science Vol. 38; no. 3; pp. 482 - 487
Main Authors Lee, Sang-Kook, Kim, Joong Kyun, Bae, Hyun Sook, Ryu, Jae-Hwa, Whang, Ki-Woong
Format Journal Article
LanguageEnglish
Published New York, NY IEEE 01.03.2010
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
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Summary:In this paper, the long-term stability of the discharge characteristics in a plasma display panel is investigated with the small addition of nitrogen to the conventional Ne-Xe gas mixture. It is found that the characteristics of temporal variation in discharge voltages and full black brightness are enhanced with nitrogen gas addition, which could result in the reduction of mis-writing probability and the enhancement of image quality. In the study of the temporal variation of discharge voltages via a Vt close curve, it is observed that nitrogen addition suppresses the changes in discharge voltages. Regarding discharge voltage variation, the change in elements on the surface of the phosphor layer and the temporal modification of the protecting layer are investigated with overfrequency discharge aging using secondary-ion mass spectrometry and a scanning electron microscope, respectively. A small change in elements on the surface of the phosphor layer is observed in the panel, with nitrogen being added to the gas mixture. The reduced ion energy with the addition of nitrogen gas is suggested as a potential reason to induce the different variation of MgO transfer characteristics and discharge voltage.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2009.2039497