Fluorescent discharge lamp with inner hollow tube offset from en

Details Fluorescent discharge lamp with inner hollow tube offset from en Fluorescent discharge lamp with inner hollow tube offset from en

1977-05-23

1979-02-27

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313204, 313490, 313493, H01J 6110, H01J 6130, H01J 6142

Patent

active

041421256

ABSTRACT:
A low-pressure gas discharge lamp having an inner tube in the discharge space limited by a lamp envelope the outer wall of which inner tube is provided with a luminescent coating, the portion which is provided with this luminescent coating facing away from the portion of the inner tube which is nearest to the wall of the lamp envelope.

REFERENCES:
patent: 2281579 (1942-05-01), Henninger, Jr. et al.
patent: 2561868 (1951-07-01), Jenkins et al.
patent: 3609436 (1971-09-01), Campbell
patent: 3898720 (1975-08-01), Morehead
"Bright Ideas Creates Bright Light", Article in Automation, Jun., 1976, p. 20.

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