Panel for color cathode-ray tube

Details Panel for color cathode-ray tube Panel for color cathode-ray tube

1992-05-21

1995-01-31

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313477R, H01J 2986

Patent

active

053861744

ABSTRACT:
Disclosed is a front panel capable of accommondating a shadow-mask high-quality color cathode-ray tube. By using the panel in combination with a shadow mask employing non-deforming steel having a small coefficient of expansion, a panel which is well-balanced and easy to view is obtained. The front panel consists of a transparent glass material and has an outer surface and an inner surface formed to be curved surfaces. The radius of curvature in one direction of the curved surface forming the outer surface of the front panel is greater than the radius of curvature in a direction perpendicular to the first-mentioned direction.

REFERENCES:
patent: 4537322 (1985-08-01), Okada et al.
patent: 4570101 (1986-02-01), Campbell
patent: 4943754 (1990-07-01), Hirai et al.

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