Cathode ray tube having a metal oxide film over a black matrix

Details Cathode ray tube having a metal oxide film over a black matrix Cathode ray tube having a metal oxide film over a black matrix

1994-11-30

1997-02-11

Horabik, Michael

Electric lamp and discharge devices

Cathode ray tube

Screen

313473, 445 52, H01J 2928, H01J 2910

Patent

active

056024428

ABSTRACT:
A color cathode ray tube includes a black matrix layer formed on the flat portion of a glass panel, a patterned metal oxide layer formed on the black matrix layer, a fluorescent layer formed on the patterned metal oxide layer and directly on the glass panel therebetween, and a metal reflection layer formed on the fluorescent layer on both the curved and flat portions of the glass panel, wherein the mean particle size of the metal oxide is larger than the mean particle size of the black matrix. The relative particle size of the metal oxide and the black matrix provides for increased adhesion of the reflective metal layer, and alleviates problems with out-gassing of the black matrix.

REFERENCES:
patent: 4717856 (1988-01-01), Kato
patent: 5141461 (1991-08-01), Nishimura et al.

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