Eur. Phys. J. Appl. Phys.
Volume 31, Number 3, September 2005
|Page(s)||185 - 190|
|Section||Plasma, Discharges and Processes|
|Published online||18 August 2005|
The effective secondary electron emission coefficient of MgO protective layer in AC-PDP calculated by fitting breakdown voltage curves
Key laboratory for Physical Electronics and Devices of the Ministry of
Education of China, Xi'an Jiaotong University, P.R. China
2 Key laboratory of Opto-Electronic Technology and Intelligent Control of Ministry of Education, Lanzhou Jiaotong University, P.R. China
Corresponding author: firstname.lastname@example.org
Revised: 11 March 2005
Accepted: 15 April 2005
Published online: 18 August 2005
A convenient way is given in this paper to calculate the effective secondary electron emission coefficient (γ ) 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 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.
PACS: 52.80. Sm – Magnetoactive discharges (e.g., Penning discharges) / 51.50.+v – Electrical properties (ionization, breakdown, electron and ion mobility, etc.)
© EDP Sciences, 2005
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