Color display tube

Details Color display tube Color display tube

1980-05-30

1984-07-03

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313403, H01J 2907

Patent

active

044581742

ABSTRACT:
A color display tube comprises, in an evacuated envelope, means for generating a number of electron beams, a display screen comprising a large number of regions luminescing in different colors when struck by the beams, and color selection means for associating each electron beam with luminescent regions of one color. The color selection means includes a plurality of conductive strips and a metal plate having a plurality of parallel apertured rows. The plate, between the apertured rows, and the strips, in the sides facing the plate, have grooves extending in the longitudinal direction of the strips. The strips are accurately positioned between the rows by insulating carriers secured in respective grooves by adhesive materials. Each carrier engages its respective grooves in only two locations per groove. The adhesive material, at least in the grooves of the strips, is an electrically conductive adhesive.

REFERENCES:
patent: 2916649 (1959-12-01), Levin
patent: 4107569 (1978-08-01), Ronde
patent: 4121131 (1978-10-01), Esdonk et al.
patent: 4207490 (1980-06-01), Ven

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