Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent
1996-12-04
1998-09-22
Oen, William L.
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
H01J 162, H01J 6304
Patent
active
058119256
ABSTRACT:
An integrally molded flat fluorescent lamp comprising a convoluted channel member (11) formed of vitreous glass with convoluted channel (14) fabricated by employing a combination of vacuum-assisted sag molding, press molding and blow molding techniques. While the part (11) is molten, a planar member (13) is fused to it by pressing the parts (11 and 13 at 15) together to form a closed glass envelope. The inside of the envelope is coated with a phosphor layer and preferably the external surface of the envelope is coated with a reflective layer. A pair of electron-emissive electrodes are fused to openings (12) in the envelope. They are sealed through glass flares at the two holes integral to the envelope. The envelope is evacuated and filled with a rare gas and mercury to a suitable pressure and sealed off to form a lamp.
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patent: 2555749 (1951-06-01), Krefft
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patent: 3646383 (1972-02-01), Jones et al.
patent: 5220249 (1993-06-01), Tsukada
Hicks et al.--13th DASC.AIAA/IEEE Digital Avionics System Conference, pp. 0-635, Oct. 30-Nov. 3, 1994.
Anandan Munisamy
Maya Jakob
Matsushita Electric Works Research and Development Laboratory, I
Oen William L.
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