Ion pumping of a flat microtip screen

Details Ion pumping of a flat microtip screen Ion pumping of a flat microtip screen

1998-06-25

2000-08-22

Vu, David

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

3151693, G09G 310

Patent

active

061077453

ABSTRACT:
A flat microtip display screen including a cathode provided with active areas of electron emission microtips; a cathodoluminescent anode provided, at least in front of the active microtip areas, with active areas of phosphor elements; a main grid of extraction of electrons emitted by the active microtips towards the phosphor elements; and on the cathode side, at least one sacrificial area of microtips adapted to being addressed, outside screen operation periods and independently from the active areas.

REFERENCES:
patent: 5578900 (1996-11-01), Peng et al.
patent: 5764004 (1998-06-01), Rabinowitz
patent: 5889372 (1999-03-01), Beeteson et al.
patent: 5903108 (1999-05-01), Mougin et al.

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