Colour selection electrode for colour display tube

Details Colour selection electrode for colour display tube Colour selection electrode for colour display tube

H - Electricity

01

J

313/35.16

H01J 29/07 (2006.01)

Patent

CA 1121857

PHN 8921 20.2.1978 ABSTRACT : By using in a colour display tube a colour selection electrode comprising a metal plate having a large number of rows of apertures which are separated from each other by bridges and are elongate in the direction of the rows, which rows extend in the direction of the phosphor lines on the display screen and in which the last aperture at the two ends of each row is at least as long as the penultimate aperture at the two ends of each row and the short sides of the last aperture of all rows situated at the extreme ends are situated on curved lines which follow the edge of the colour selection electrode, a smooth picture edge and also a good adhesion of the ends of the phosphor lines to the display window are obtained.

313787

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