Addressing device for microtip flat display screens

Details Addressing device for microtip flat display screens Addressing device for microtip flat display screens

1996-02-15

2000-02-01

Hjerpe, Richard A.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 76, 345208, 3151693, G09G 322

Patent

active

060208643

ABSTRACT:
A device for controlling an electrode of a flat display screen includes a first electrode constituting a microtip cathode, a second electrode constituting an anode provided with phosphor elements and a gate that is arranged in rows. At least one of the electrodes is arranged in columns. The device includes circuitry for individually addressing each column and for interrupting the biasing of a column as soon as its charge reaches a threshold voltage corresponding to a desired luminescence value.

REFERENCES:
patent: 4443741 (1984-04-01), Tanaka et al.
patent: 4837566 (1989-06-01), Channing et al.
patent: 5008657 (1991-04-01), Hanson et al.
patent: 5138308 (1992-08-01), Clerc et al.
patent: 5654729 (1997-08-01), Garcia

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