Discharge lamp having convoluted discharge path

Details Discharge lamp having convoluted discharge path Discharge lamp having convoluted discharge path

1981-11-10

1984-10-02

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313610, H01J 6110, H01J 6188

Patent

active

044750587

ABSTRACT:
A discharge lamp having a discharge path-defining member which so defines the discharge path in the bulb that it runs in a convoluted manner with interlinked passages running between the top and the bottom of the bulb, wherein the top portion of the discharge path-defining member is provided with a top plate which permits one of the curved passage-interlinking portions at the bulb top to pass along the upper surface thereof, such that the shadow of the discharge path-defining member is eliminated from the bulb top and that the shape of the bulb can be freely selected, also enabling the lamp to be designed such that it is not easily broken, the discharge path-defining member can be easily and intimately fitted, and that the output of light is not reduced in the bulb top region.

REFERENCES:
patent: 2121333 (1938-06-01), Barclay
patent: 3849689 (1974-11-01), Campbell
patent: 4208618 (1980-06-01), Heine
patent: 4281271 (1981-07-01), Young et al.
patent: 4401914 (1983-08-01), Wesselink et al.
"A Compact Partition Fluorescent Lamp", R. G. Young and E. W. Morton, Lighting Design & Application, May 1980, pp. 38-42.

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