Electroluminescent panels and method of manufacture

Details Electroluminescent panels and method of manufacture Electroluminescent panels and method of manufacture

1983-03-22

1985-01-29

Morgenstern, Norman

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

4271261, 427157, 4272552, 4274197, B05D 506, B05D 512

Patent

active

044966105

ABSTRACT:
A method in which a phosphor film of manganese doped zinc chalcogenide is produced by chemical vapor deposition from alkyl zinc vapor and the gaseous hydride of the chalcogen. The manganese dopant is introduced uniformly during deposition by decomposition of tricarbonyl alkylcyclopentadienyl manganese: ##STR1## where here R denotes the alkyl radical. Preferably dimethyl zinc and tricarbonyl methylcyclopentadienyl manganese are used.
The phosphor produced may be one of the following manganese doped compounds: zinc sulphide, zinc selenide, zinc sulphur selenide, zinc oxy-sulphide, zinc oxy-selenide or zinc cadmium sulphide.

REFERENCES:
patent: 4181753 (1980-01-01), Fischer
Alder et al.: "An Investigation of the Electrical and Optical Properties of DC Electroluminescent ZnS:Mn, Cu-Powder Panels, IEEE Transactions on Electron Devices, vol. ED-28, No. 6, Jun. 1981, pp. 680-688.
Yang et al.: "Studies of Temperature Effects in AC Thin-Film EL Devices," IEEE Trans. on Elec. Dev., vol. Ed-28, No. 6, Jun. 1981, pp. 703-707.
Okamoto et al.: "Low-Threshold-Voltage Thin-Film Electroluminescent Devices," IEEE Trans. on Elec. Dev., vol. Ed-28, No. 6, Jun. 1981, pp. 698-701.

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