Drive device for image display device

Details Drive device for image display device Drive device for image display device

1994-06-24

1996-11-05

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345208, G09G 310

Patent

active

055722318

ABSTRACT:
A drive device for a field emission cathode capable of driving an image display device at a high speed while preventing leakage luminescence. A plurality of gate electrodes and cathode electrodes which are arranged in a matrix-like manner are scanned to drive an image display device. A leading edge of a drive pulse for driving the cathode electrodes in turn is defined to be a precharge period, during which a precharge pulse of a level V.sub.CH which does not permit emission of electrodes from emitter arrays is added. During the precharge, the gate electrodes are subject to blanking by a blanking pulse. This results the cathode electrodes being driven, followed by precharging, so that the cathodes may be driven at an increased speed while preventing leakage luminescence.

REFERENCES:
patent: 3889151 (1975-06-01), Hanak et al.
patent: 4665345 (1987-05-01), Shionoya et al.
patent: 4801920 (1989-01-01), Ohba et al.
patent: 4924148 (1990-05-01), Schwartz
patent: 5157309 (1992-10-01), Parker et al.
patent: 5231387 (1993-07-01), Clerc
patent: 5762698 (1993-11-01), Dunham

Affiliated with

Also associated with

Rating

Drive device for image display device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Drive device for image display device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drive device for image display device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2017902