Patent ID: 6753645
Filing Date: 2004-06-22
Classification: H01J

Abstract:
A plasma display panel comprising plural kinds of phosphor layers emitting different colors of fluorescent light,wherein a green phosphor layer is formed of a mixed green phosphor obtained by mixing a manganese activated zinc silicate phosphor represented by the general formula Zn2SiO4:Mn and having a surface potential with a negative polarity and a terbium activated rare earth borate green phosphor represented by the general formula ReBO3:Tb, wherein Re denotes one rare earth element or a solid solution of plural kinds of rare earth elements selected from the group consisting of Sc, Y, La, Ce and Gd, having a surface potential with a positive polarity, and wherein the mixing ratio of the terbium activated rare earth borate green phosphor to the whole composition in the mixed phosphor is 10 to 75 weight %.