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Yoshino, Kyohei; Nagatomi, Takaharu; Morita, Yukihiro; Oue, Toshiyasu; Kosugi, Naoki; Nishitani, Mikihiko; Kitagawa, Masatoshi; Takai, Yoshizo

Improvement in Discharge Delay Time by Accumulating Positive Wall Charges on Cathode MgO Protective Layer Surface in Alternating-Current Plasma Display Panels

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  • Media type: E-Article
  • Title: Improvement in Discharge Delay Time by Accumulating Positive Wall Charges on Cathode MgO Protective Layer Surface in Alternating-Current Plasma Display Panels
  • Contributor: Yoshino, Kyohei; Nagatomi, Takaharu; Morita, Yukihiro; Oue, Toshiyasu; Kosugi, Naoki; Nishitani, Mikihiko; Kitagawa, Masatoshi; Takai, Yoshizo
  • Published: IOP Publishing, 2011
  • Published in: Japanese Journal of Applied Physics, 50 (2011) 2R, Seite 026201
  • Language: Not determined
  • DOI: 10.1143/jjap.50.026201
  • ISSN: 0021-4922; 1347-4065
  • Keywords: General Physics and Astronomy ; General Engineering
  • Origination:
  • Footnote:
  • Description: <jats:p>The improvement in discharge delay time by accumulating positive wall charges on a cathode MgO protective layer surface in plasma display panels (PDPs) was investigated. The number of exoelectrons emitted from the cathode MgO surface, which trigger the discharge, increases with the accumulation of positive wall charges on the cathode MgO surface, thereby reducing both the statistical and formative delay times,<jats:italic>t</jats:italic><jats:sub>s</jats:sub>and<jats:italic>t</jats:italic><jats:sub>f</jats:sub>, respectively, of the address discharge. The correlations between exoelectron emission and<jats:italic>t</jats:italic><jats:sub>s</jats:sub>and<jats:italic>t</jats:italic><jats:sub>f</jats:sub>were investigated, revealing that the address discharge is triggered by multiple exoelectrons. In addition, it is found that exoelectron emission plays an important role in wall charge leakage during the address period. The present results confirmed that the accumulation of positive wall charges on the cathode MgO protective layer surface is effective for improving the discharge delay times<jats:italic>t</jats:italic><jats:sub>s</jats:sub>and<jats:italic>t</jats:italic><jats:sub>f</jats:sub>in not only PDPs but also common dielectric barrier discharge.</jats:p>