Coating processes – Electrical product produced – Fluorescent or phosphorescent base coating
Patent
1979-01-30
1980-12-30
Hoffman, James R.
Coating processes
Electrical product produced
Fluorescent or phosphorescent base coating
427157, H01J 9227
Patent
active
042423724
ABSTRACT:
Luminescent materials are adhered to TV color picture screens or image display device screens by coating the inner surface of a glass screen substrate with a conductive or non-conductive C.sub.1 to C.sub.4 alcoholic or carboxylic solution containing oxygen-rich organic materials selected from the group consisting of silicon salts of relative low molecular weight carboxylic acids, tin salts of relatively low molecular weight carboxylic acids (which can be optionally doped to render them conductive, if desired) or mixtures thereof or a doped tin compound, at least partially drying such coating, as at a temperature of about 150.degree. C., applying a select pattern of luminescent materials onto such partially dried coating and curing or tempering the resultant structure, as at a temperature of about 500.degree. C. so that the luminescent material is firmly embedded within the conductive
on-conductive coating.
REFERENCES:
patent: 3582389 (1971-06-01), Saulnier
patent: 3832211 (1974-08-01), Cook
patent: 3940508 (1976-02-01), Wilcox
patent: 4020191 (1977-04-01), Nagashiro
Kobale Manfred
Wengert Rolf
Hoffman James R.
Siemens Aktiengesellschaft
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