Gridded spacer assembly for a field emission display

Details Gridded spacer assembly for a field emission display Gridded spacer assembly for a field emission display

1996-12-02

1999-01-26

Font, Frank G.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313238, 313281, 313292, H01J 162, H01J 6304, H01J 188, H01J 1942

Patent

active

058642056

ABSTRACT:
A gridded spacer assembly (130, 230) for a field emission display (100, 200) includes a plurality of spacers (135, 235), a focusing grid (132, 232) having a plurality of spacer apertures (133) in which the spacers (135, 235) are disposed and to which the spacers (135, 235) are affixed adjacent their lower end, a stabilization grid (138, 238) having a plurality of spacer apertures (137) in registration with the spacer apertures (133) of the focusing grid (132, 232), the spacers (135, 235) being disposed therein and affixed thereto adjacent their upper end, the focusing grid (132, 232) and the stabilization grid (138, 238) having a plurality of focusing apertures (139) for collimating and focusing a beam of electrons (150).

REFERENCES:
patent: 4341980 (1982-07-01), Noguchi et al.
patent: 5506467 (1996-04-01), Nishimura et al.
patent: 5589731 (1996-12-01), Fahlen et al.

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