Compact mercury-free fluorescent lamp

Details Compact mercury-free fluorescent lamp Compact mercury-free fluorescent lamp

1984-09-04

1987-03-03

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

313637, 313638, 313643, H05B 4116, H05B 4124

Patent

active

046478213

ABSTRACT:
A compact fluorescent lamp has an outer envelope in which there is supported a capsule containing a mercury-free fill comprised of aluminum tribromide. The fill is energized to produce a plasma discharge which emits ultraviolet and visible radiation. Phosphor, in the form of a particulate layer or a gas, converts the ultraviolet into visible light. The lamp may contain electrodes or be electrodeless. In the electrodeless embodiment RF energy may be capacitively or inductively coupled to the fill.

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patent: 3484640 (1969-12-01), Johnson
patent: 3586898 (1971-06-01), Speros et al.
patent: 4266162 (1981-05-01), McNeill et al.
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patent: 4480213 (1984-10-01), Lapatovich et al.
patent: 4549109 (1985-10-01), Nighan et al.
Muck et al., "Quantitative Radiation Measurement of a Pure Aluminum-Chloride-Plasma", 11th I.C.P.I.G., Prague 1973.
Speros et al., "Thermodynamic and Kinetic Considerations Pertaining to Molecular Arcs", High Temperature Science, vol. 4, No. 2, 99-127 (1972).

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