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US 4,234,817 AGranted
Flat type fluorescent lamp
AssigneeStanley Electric Co., Ltd.
InventorsToru Teshima, Kazuo Ariga, Mitunari Yoshida
Life of this patent
Estimating the term…
Abstract
A flat type fluorescent lamp comprises a molded plate glass in the form of an upside down dished plate and a flat plate sealed to the dished plate along the peripheral portions thereof. A pair of electrodes are mounted on the flat plate glass, spaced from the flat plate glass, through stems or connector pins and are sealed in the fluorescent lamp body. The fluorescent lamp requires no base so that the overall length thereof may be reduced.
Claims4
A flat type fluorescent lamp comprising:
- a molded plate glass member in the shape of an upside-down dished generally rectangular plate and having a peripheral joining edge, said dished glass member having a dished light emitting surface;
- a generally rectangular flat plate glass member having a peripheral joining edge overlapping the peripheral joining edge of said dished glass member, said peripheral joining edges of said glass members being sealingly joined together with said flat glass member below said upside-down dished glass member to form a hollow flat type fluorescent lamp body, said flat glass member having a pair of holes extending generally perpendicularly through flat surface portions thereof, said holes being located at opposite ends of said hollow lamp body and spaced inwardly from said peripheral joining edge;
- a pair of electrodes mounted to said flat glass member in the vicinity of respective holes in said flat glass member and being spaced from said flat glass member in a direction substantially perpendicular to the surface of said flat glass member, said pair of electrodes being sealed in said fluorescent lamp body;
- and
- a respective pair of electrical conductors connected to and supporting each of said electrodes and passing through respective holes in said flat glass member to extend generally perpendicularly to said flat glass member and to electrically connect said electrodes to the outside of said lamp body.
2 more elements
Dependencies are inferred from the claim text.