Electrodeless fluorescent light source

Details Electrodeless fluorescent light source Electrodeless fluorescent light source

1981-10-01

1984-01-24

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

313637, 313638, 315 39, H05B 4116, H05B 4124

Patent

active

044279230

ABSTRACT:
An electrodeless fluorescent light source including an electrodeless lamp containing a metal iodide or iodine. A fluorescing material is disposed between the electrodeless lamp and an outer envelope. When the contents of the electrodeless lamp are excited by high frequency power, excited iodine atoms emit ultraviolet radiation. The ultraviolet radiation impinges on the fluorescing material causing it to emit visible light. The fluorescing material may be a solid phosphor material on the outer surface of the electrodeless lamp, a solid phosphor material on the inner surface of the outer envelope, a gaseous phosphor material in the space between the electrodeless lamp and the outer envelope, or some combination thereof.

REFERENCES:
patent: 3234421 (1966-02-01), Reiling
patent: 3319119 (1967-05-01), Rendina
patent: 3384774 (1968-05-01), English
patent: 3384775 (1968-05-01), Ishler et al.
patent: 3860854 (1975-01-01), Hollister
patent: 4001632 (1977-01-01), Haugesjaa et al.
patent: 4024431 (1977-05-01), Young
patent: 4185228 (1980-01-01), Regan
patent: 4266166 (1981-05-01), Proud et al.
patent: 4360758 (1982-11-01), Thornton, Jr. et al.

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