US Patent 7482751 Plasma display panel

A plasma display panel includes: a first substrate; a second substrate facing the first substrate; barrier ribs disposed between the first and second substrates to partition a plurality of discharge cells; address electrodes formed on the first substrate to extend in a first direction corresponding to the discharge cells; display electrodes formed on the second substrate to extend in a second direction intersecting the first direction corresponding to the discharge cells; phosphor layers formed in inner portions of the discharge cells; and a dielectric layer formed on the second substrate to cover the display electrodes, wherein the dielectric layer is constructed with a plurality of layers having different refractive indexes.