Focus mesh structure and biasing technique for flat panel displa

Details Focus mesh structure and biasing technique for flat panel displa Focus mesh structure and biasing technique for flat panel displa

1981-01-30

1982-06-15

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

313422, H01J 2970, H01J 2972

Patent

active

043353320

ABSTRACT:
A flat panel display device includes means for focusing electron beams traveling from a beam guide structure towards a display screen. The means for focusing includes focus meshes which are parallel to and spaced from one another and from the electron beam propagation means.

REFERENCES:
patent: 2858464 (1958-10-01), Roberts
patent: 2879446 (1959-03-01), Aiken
patent: 3005127 (1961-10-01), Aiken
patent: 4031427 (1977-06-01), Stanley
patent: 4227117 (1980-10-01), Watanabe et al.
patent: 4234815 (1980-11-01), Credelle
patent: 4259612 (1981-03-01), Christiano et al.

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