Plasma display screen with blue-emitting phosphor

摘要

A plasma display screen comprising a carrier plate, a transparent front plate, a ribbed structure dividing the space between the carrier plate and the fmnt plate into plasma cells, which are filled with a gas, one or more electrodes arrays for generating corona discharges in the plasma cells, and a phosphor layer comprising a blue-emitting phosphor of the general formula (La1-x-yGdx)Si3N5:Cey, where 0<=x<1 and 0