Inter-channel isolation scheme for compact, folded discharge lam

Details Inter-channel isolation scheme for compact, folded discharge lam Inter-channel isolation scheme for compact, folded discharge lam

1982-01-18

1984-06-12

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

H01J 6130, H01J 6142

Patent

active

044544480

ABSTRACT:
In a folded discharge fluorescent lighting device, inter-channel isolation means are provided by proper selection of the length and diameter of a secondary path. The diameter of this path, in particular, is chosen to be small to increase the electrical resistance along this path and to thereby cause the arc discharge to follow the main current pathway. The small diameter promotes rapid recombination of ion pairs, thus acting to increase the resistance of this secondary path. Likewise, in another embodiment of the present invention, a volume between the main channels is filled with an ion recombination enhancement material such as glass fibers or glass wool. The present invention may be configured in the approximate shape of a conventional incandescent lamp or may even take the form or a flat fluorescent panel.

REFERENCES:
patent: 4093893 (1978-06-01), Anderson
patent: 4095135 (1978-06-01), Yamazaki et al.
patent: 4173730 (1979-11-01), Young et al.
patent: 4182975 (1980-01-01), Young
patent: 4184101 (1980-01-01), Young
patent: 4185221 (1980-01-01), Young
patent: 4196374 (1980-04-01), Witting
patent: 4311943 (1982-01-01), Gross et al.

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