Patent ID: 7358668

Claim:
A green phosphor for a Plasma Display Panel (PDP), the green phosphor comprising: a phosphor material selected from the group consisting of Zn 2 SiO 4 :Mn, (Zn,A) 2 SiO 4 :Mn (A is an alkaline earth metal), (Ba,Sr,Mg)O.aAl 2 O 3 :Mn (a is an integer in the range of 1 to 23), MgAlxOy:Mn (x is an integer in the range of 1 to 10, and y is an integer in the range of 1 to 30), LaMgAlxOy:Tb (x is an integer in the range of 1 to 14, and y is an integer in the range of 8 to 47), and ReBO 3 :Tb (Re is a rare earth element selected from the group consisting of Sc, Y, La, Ce, and Gd); and an oxide material coated on the surface of the phosphor material and including La 2 O 3 and SiO 2 , wherein the La 2 O 3 is present in an amount of less than 2500 ppm on the basis of the total amount of the phosphor material.