Display device background component composition and method

Details Display device background component composition and method Display device background component composition and method

1974-08-27

1976-07-27

Welsh, John D.

Compositions

Electrolytes for electrical devices

252 635, 106 48, 106 54, 350160LC, 346 74P, H01B 300, G02B 523

Patent

active

039717240

ABSTRACT:
A visual background layer for electro-optical display devices is provided having high dielectric quality and a black, deep matte surface based upon the black higher oxides of iron, cobalt, chromium and nickel in a film of high dielectric glass. A printing medium for such layers is provided which can be fired to form the layer in reducing atmospheres without reducing the oxides and deteriorating the dielectric quality.

REFERENCES:
parmelee, Ceramic Glazes, pp. 270-274 and 283, Industrial Publications, (1951).
Shaw, Ceramic Glazes, pp. 56, 59, 86, 87, Elsevier Pub., (1971).
Van Hippel, Dielectric Materials & Appln's, (1954), (p. 310).

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