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Effect of Impurity in Discharge Gas on High γ Properties of Newly Developed CeSrO Film for Novel Plasma Display Panel

Yasuhiro YAMAUCHI, Yusuke FUKUI, Yosuke HONDA, Michiko OKAFUJI, Masahiro SAKAI, Mikihiko NISHITANI, Yasushi YAMAUCHI

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Summary :

The discharge properties and chemical surface stability of CeO2 containing Sr (CeSrO) as the candidate for high-γ protective layer of noble plasma display panels (PDPs) are characterized. CeSrO films have superior chemical stability, because of the decrease in reactiveness on surface due to their fluorite structure. The discharge voltage is 50 V lower than that of MgO films for a pure discharge gas of Ne/Xe = 85/15 at 60 kPa. However the topmost surface, monolayer, of the CeSrO film relevant to the discharge property is hardly recovered from the damage by CO2 impurity in discharge gas. We can expect that by pumping down to a sufficiently low CO2 partial pressure (lower than 1 10-3 Pa), PDP panels with very high efficiency are realized with CeSrO protective layer.

Publication
IEICE TRANSACTIONS on Electronics Vol.E95-C No.11 pp.1761-1768
Publication Date
2012/11/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E95.C.1761
Type of Manuscript
Special Section INVITED PAPER (Special Section on Electronic Displays)
Category

Authors

Keyword

PDP,  γ,  protective layer,  discharge,  MgO