The invention refers to an enamel composition for producing reflecting
dielectric layers in plasma display panels, comprising as layer forming
constituents 70 to 97% by wt. of a glass frit composition and 3 to 30% by
wt. of a particulate whitening material. The whitening material comprises
one or more thermally deactivated white pigments, which have been made by
a process comprising heating of at least one white pigment in the absence
or presence of a glass frit having a softening temperature of less than
600.degree. C. at a temperature of 600 to 1000.degree. C. for 0,1 to 10
hours.
The invention further refers to a method for improving the wettability of
white pigments by the above said thermal treatment.
The enamel is used for producing a reflecting white dielectric layer in
plasma display panels.
