A process for making an electroluminescent cell using a ZnS host

Details A process for making an electroluminescent cell using a ZnS host A process for making an electroluminescent cell using a ZnS host

1992-08-07

1994-02-15

Cooper, Jack

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

313503, 313509, 427 70, B05D 512

Patent

active

052865177

ABSTRACT:
A flat panel display utilizes an array of eletroluminescent cells in which the active layer is of polycrystalline zinc sulfide that is the host for molecules of a ternary europium fluoride compound, advantageously lithium europium tetrafluoride. Each cell includes a pair of electrodes between which are a silicon dioxide barrier layer, sufficiently thin for electrons to tunnel therethrough, the active layer, and a capacitive dielectric layer. Other ternary europium tetrafluoride compounds are described for use as the active layer.

REFERENCES:
patent: 3113040 (1963-12-01), Winston
Miura et al. "Proceeding at 1988 Fall Meeting of Japan Applied Physical Society", Paper No. 6 p-D-6.

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