Image display device

Details Image display device Image display device

2006-07-04

2006-07-04

Patel, Vip (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S497000

Reexamination Certificate

active

07071608

ABSTRACT:
In an image display device, assuming the distance between electron sources and control electrodes is Lkg, the distance between the control electrodes and acceleration electrodes is L12, the thickness of opening holes formed in the control electrodes is Tgl and the short diameter of the opening holes formed in the control electrodes is FGI, the acceleration electrodes satisfy the relationship (Lkg+Tgl+L12/2)/FGI≧0.25; assuming the thickness of the opening holes formed in the acceleration electrodes is Tg2and the short diameter of the opening holes formed in the acceleration electrodes is FG2, the acceleration electrodes satisfy the relationship Tg2min≦Tg2≦Tg2max and the relationship Tg2min=2.98FG2−0.04; assuming FG2<0.109, the acceleration electrodes satisfy the relationship Tg2max=0.02/(0.115−FG2)−0.06; and assuming FG2≧0.109, the acceleration electrodes satisfy the relationship Tg2max=0.03/(FG2−0.1)+0.045. Due to such a constitution, light emission control can be easily performed and self-alignment of the electron sources and the control electrodes can be realized.

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