Fluorescent lamp device having oval cross sectional tubes

Details Fluorescent lamp device having oval cross sectional tubes Fluorescent lamp device having oval cross sectional tubes

1986-09-26

1988-05-24

Moore, David K.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313634, H01J 6130, H01J 6188

Patent

active

047468351

ABSTRACT:
A fluorescent lamp device includes a main body having a base, and a fluorescent lamp supported by the main body and electrically connected to the base. The lamp has a plurality of U-shaped glass tubes which define a zigzagging discharge channel. Each glass tube is provided with a pair of straight portions, each of which has a flat cross section.

REFERENCES:
patent: 3899712 (1975-08-01), Witting
patent: 3953761 (1976-04-01), Giudice
patent: 4260931 (1981-04-01), Wesselink et al.
patent: 4335331 (1982-06-01), Watanabe et al.
patent: 4524301 (1985-06-01), Cohen et al.

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