Gas discharge device

A plasma display panel comprising:

• (a) a first and a second dielectric substrate, said first and second substrates being spaced from each other and sealed, a discharge gas contained within said sealed substrates forming a discharge gas space, at least one of said substrates being transparent;
• (b) first and second electrodes mounted on said first and second substrates, respectively;
• (c) a first and a second dielectric film covering said first and said second electrodes, respectively, said films facing said discharge gas space;
• and
• (d) a surface reinforcing film only on one of said dielectric films, said reinforcing film having a major component made from an oxide of a rare earth element, said rare earth element being selected from the group consisting of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, eubium, thulium, ytterbium and lutetium.

A plasma display panel comprising:

• (a) a first and a second dielectric substrate, said first and second substrates being spaced from each other and sealed, a discharge gas contained within said sealed substrates forming a discharge gas space, at least one of said substrates being transparent;
• (b) first and second electrodes mounted on said first and second substrates, respectively;
• (c) a first and second dielectric film covering said first and second electrodes, respectively, said films facing said discharge gas space;
• and
• (d) a surface reinforcing film on at least one of said dielectric films, said reinforcing film having a major component made from an oxide of a rare earth element, said rare earth element being selected from the group consisting of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, eubium, thulium, ytterbium and lutetium.

A plasma display panel comprising:

• (a) a first and a second dielectric substrate, said first and second substrates being spaced from each other and sealed, a discharge gas contained within said sealed substrates forming a discharge gas space, at least one of said substrates being transparent;
• (b) first and second electrodes mounted on said first and second substrates, respectively;
• (c) a first and a second dielectric film covering said first and said second electrodes, respectively, said films facing said discharge gas space;
• and
• (d) a surface reinforcing film on at least one of said dielectric films, said reinforcing film having a major component made from an oxide of a rare earth element selected from the group consisting of CeO.sub.2 and La.sub.2 O.sub.3.

A plasma display panel comprising:

• (a) a first and a second dielectric substrate, said first and second substrates being spaced from each other and sealed, a discharge gas contained within said sealed substrates forming a discharge gas space, at least one of said substrates being transparent;
• (b) first and second electrodes mounted on said first and second substrates, respectively;
• (c) a first and a second dielectric film covering said first and said second electrodes, respectively, said films facing said discharge gas space;
• and
• (d) a surface reinforcing film on one of said dielectric films, said reinforcing film having a major component made from an oxide of a rare earth element selected from the group consisting of CeO.sub.2 and La.sub.2 O.sub.3.

A plasma display panel comprising:

• (a) a first and a second dielectric substrate, said first and second substrates being spaced from each other and sealed, a discharge gas contained within said sealed substrates forming a discharge gas space, at least one of said substrates being transparent;
• (b) first and second electrodes mounted on said first and second substrates, respectively;
• (c) a first and a second dielectric film covering said first and said second electrodes, respectively, said films facing said discharge gas space;
• and
• (d) a surface reinforcing film on one of said dielectric films, said reinforcing film having a major component made from an oxide of a rare earth element, said rare earth element being selected from the group consisting of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, eubium, thulium, ytterbium and lutetium.