Patent ID: 7931948

Claim:
A plasma display panel comprising: a front plate including a display electrode, a dielectric layer, and a protective layer on a glass substrate; and a back plate including an address electrode, a barrier rib, and a phosphor layer on a substrate, wherein: the front plate is faced to the back plate, and a periphery of the front plate and the back plate is sealed with a sealing material to form discharge space, the sealing material contains, as a glass component, bismuth oxide and at least one of molybdenum oxide and tungsten oxide, the sealing material contains no lead, and the sealing material contains at least one of Ag 2 WO 4 , Ag 2 W 4 O 13 , Ag 2 MoO 4 , Ag 2 Mo 2 O 7 , and Ag 2 MO 4 O 13 , content of bismuth oxide in the glass component is between 75 and 85% inclusive, and glass softening point of the glass component including said content of bismuth oxide is 400° C. or higher.