Plasma picture screen with red phosphor

摘要

A plasma picture screen fitted with a phosphor layer comprising a red phosphor activated by Eu3+shows an improved red color point (x>=0.64 and y<=0.35) and shorter decay times &tgr;1/10 as compared with the standard phosphor (Y,Gd)BO3. The phosphor according to the invention has a lattice in which the activator Eu3+occupies a location which has no inversion symmetry.