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The effective secondary electron emission coefficient of MgO protective layer in AC-PDP calculated by fitting breakdown voltage curves

Published online by Cambridge University Press:  18 August 2005

Bingang Guo*
Affiliation:
Key laboratory for Physical Electronics and Devices of the Ministry of Education of China, Xi'an Jiaotong University, P.R. China
Chunliang Liu
Affiliation:
Key laboratory for Physical Electronics and Devices of the Ministry of Education of China, Xi'an Jiaotong University, P.R. China
Zhongxiao Song
Affiliation:
Key laboratory for Physical Electronics and Devices of the Ministry of Education of China, Xi'an Jiaotong University, P.R. China
Yufeng Fan
Affiliation:
Key laboratory for Physical Electronics and Devices of the Ministry of Education of China, Xi'an Jiaotong University, P.R. China
Xing Xia
Affiliation:
Key laboratory for Physical Electronics and Devices of the Ministry of Education of China, Xi'an Jiaotong University, P.R. China
Liu Liu
Affiliation:
Key laboratory for Physical Electronics and Devices of the Ministry of Education of China, Xi'an Jiaotong University, P.R. China
Duowang Fan
Affiliation:
Key laboratory of Opto-Electronic Technology and Intelligent Control of Ministry of Education, Lanzhou Jiaotong University, P.R. China
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Abstract

A convenient way is given in this paper to calculate the effective secondary electron emission coefficient (γ$_{\it eff}$) of protective layers in AC-PDP by fitting breakdown voltage curves. Based on the analysis of chemical kinetics of gas discharging in Plasma Display Panels, we deduced an empirical equation of self-sustaining discharge condition for Penning gas mixture in terms of Townsend breakdown criteria. It was used to calculate the breakdown voltage curves of Ne-Xe/MgO, Ne-Ar/MgO, Ne/MgO, Ar/MgO and Xe/MgO in a testing macroscopic discharge cell of AC-PDP. The effective secondary electron emission coefficients were derived by comparing the breakdown voltage curves obtained from the empirical equation with the experimental data of breakdown voltages. The γ$_{\it eff}$ results showed a good conformity with the secondary electron emission coefficients in literatures. The empirical equation can be used as a convenient approach to research gas discharge characteristics and the effective secondary electron emission behaviors in plasma display panels.

Keywords

Type
Research Article
Copyright
© EDP Sciences, 2005

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