Image display device

Details Image display device Image display device

2006-11-14

2008-12-30

Patel, Vip (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

Reexamination Certificate

active

07471038

ABSTRACT:
An image display device is disclosed in which poor display resulting from deflection of electron bundles which occurs due to electrification of spacers and secondary electron emission can be positively prevented and a high-quality display can be therefore obtained. In the image display device, electron sources in the vicinity of the spacers are displaced with respect to arranging positions at equal pitches, by distances which allow drifts of the electron bundles from phosphors, which are brought about by the deflection of the electron bundles which occurs due to electrification of the spacers and secondary electron emission, to be cancelled.

REFERENCES:
patent: 4451761 (1984-05-01), Kay
patent: 5770918 (1998-06-01), Kawate et al.

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