Cathode ray tube having a curved display window and a color disp

Details Cathode ray tube having a curved display window and a color disp Cathode ray tube having a curved display window and a color disp

1991-01-15

1994-01-04

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Screen

313477R, H01J 2910

Patent

active

052763773

ABSTRACT:
A color cathode ray tube of the type having a color selection electrode arranged in front of the display screen, is characterized in that the inner surface of the screen exhibits a deviation from an arc shape along the long X axis such that, in operation, the effect of doming is reduced. Preferably, the deviation decreases as the distance to the long axis increases. In an embodiment, the inner surface also exhibits a deviation from an arc shape along the short y-axis.

REFERENCES:
patent: 4570101 (1986-02-01), Campbell
patent: 4777401 (1988-10-01), Hosokoshi et al.

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