Patent ID: 7274143

Claim:
A plasma display panel, comprising: a pair of substrates placed opposite each other with a discharge space defined between the pair of substrates; electrodes formed on an inner face of one of the pair of substrates; a dielectric layer covering the electrodes; a discharge gas filling the discharge space; and a protective layer is formed in a monolayer on the dielectric layer, and includes a cesium complex-based oxide selected from the group consisting of Cs 2 SO 4 , Cs 2 Al 2 O 4 , Cs 2 SiO 3 , CsAlSiO 4 , CsAlSi 2 O 6 , CsLaSiO 4 , Cs 2 MoO 4 , CsNbO 3 , CsTaO 3 , Cs 2 WO 4 , Cs 2 ZrO 3 , Cs 2 CrO 4 , Cs 2 TiO 3 .