Abstract

Recent work on luminescent materials suitable for high field AC operated thin film devices is reviewed. Yellow emitting ZnS:Mn 2+, still the best EL material known, is used in commercial flat panels. The need for full-color devices has led to the development of lanthanoid doped zinc and alkaline earth sulfide thin films emitting blue, green and red light. Of these new phosphors, the green emitting ZnS:TbF3 is closest to commercial application.

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