Vacuum fluorescent display tube having a built in driving semico

Details Vacuum fluorescent display tube having a built in driving semico Vacuum fluorescent display tube having a built in driving semico

1991-11-06

1994-06-28

Yusko, Donald J.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313483, 313495, 313497, H01J 3115

Patent

active

053250150

ABSTRACT:
A fluorescent display tube has a filament support integrally formed of a metal sheet with a shield for protecting a driving semiconductor element accommodated in the vacuum container. Shield connections for joining the filament support and the shield are in the form of a plurality of fine wires formed from the same metal sheet and extend from two opposing sides of the shield. Each shield connection is fitted into a sealing area between the cover glass and the anode substrate. These shield connections are designed so as to improve heat dissipation at the time of the getter flashing following vacuum-sealing of the fluorescent display tube.

REFERENCES:
patent: 4661743 (1987-04-01), Matsuoka et al.
patent: 4835445 (1989-05-01), Watanabe et al.

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