Compact mercury-free fluorescent lamp

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

1982-07-26

1984-10-30

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315267, 313637, 313638, H05B 4116, H05B 4124

Patent

active

044802137

ABSTRACT:
A compact fluorescent lamp has an outer envelope in which there is supported a capsule containing a mercury-free fill comprised of aluminum trichloride. 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.

REFERENCES:
patent: 2135718 (1938-11-01), Krefft et al.
patent: 3484640 (1969-12-01), Johnson
patent: 3586898 (1971-06-01), Speros et al.
patent: 4296350 (1981-10-01), Maya
Muck et al., Quantatative Radiation Measurement of a Pure Aluminum Chloride Plasma, 11th IcPIG Prague, 1973.
Speros et al., Thermodynamic and Kinetic Considerations Pertaining to Molecular Arcs, High Temperature Science vol. 4, No. 2, Apr. 1972.

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