Gas discharge lamp and apparatus utilizing the same

Details Gas discharge lamp and apparatus utilizing the same Gas discharge lamp and apparatus utilizing the same

1987-12-01

1989-12-12

Griffin, Robert L.

Electric lamp and discharge devices

With gas or vapor

Having electrode exterior to envelope

313594, 313573, H01J 6178

Patent

active

048870021

ABSTRACT:
A gas discharge lamp has a discharge gas sealed in a light-transmissive, cylindrical tube in which an internal electrode is provided as a first receiving end. An external electrode having predetermined widths along the axis of the tube is provided on the outer surface of the tube as a second receiving end. A shielding film is also provided on the outer surface of the tube excluding where a slit with a predetermined width is formed. The widths of the external electrode can be changed in accordance with the luminance distribution of the gas discharge lamp. The internal and external electrodes are connected to a high frequency power source and are applied with high frequency power therefrom, thereby causing discharge within the tube.

REFERENCES:
patent: 4645979 (1987-02-01), Chow
Toshiba Review 1985, vol. 40, No. 12, pp. 1079 to 1082 "fluorescent Xenon Glow Lamp" Yoshiji Yoshiike.

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