Three-component gas mixture for fluorescent gas-discharge color

Details Three-component gas mixture for fluorescent gas-discharge color Three-component gas mixture for fluorescent gas-discharge color

1988-02-18

1990-05-15

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

313484, 313485, 313637, 313643, G09G 310, H01J 162, H01J 6304, H01J 1720

Patent

active

049260952

ABSTRACT:
A fluorescent gas-discharge color display panel, in which a fluorescent material is excited by a gas-discharge therein, contains a three-component gas mixture of neon, argon and xenon as the discharge gas. Typically, the argon gas component is in the range of from approximately 5 percent to approximately 80 percent, and that of the xenon gas from a minimum sufficient to maintain the Penning effect up to approximately 10 percent. The argon gas component contributes to the gas mixture producing a pure and high peak of green light spectrum and reduces the orange light spectrum emitted directly by the neon gas discharges. Other characteristics, such as operating voltages, brightness, luminous efficacy, and the panel operating life, are satisfactorily maintained. The improved color purity is advantageous for both single and multiple color display by the excited fluorescent material or materials.

REFERENCES:
patent: 3903446 (1975-09-01), Fein et al.
patent: 3914635 (1975-10-01), Bode et al.
patent: 4081712 (1978-03-01), Bode et al.
patent: 4549109 (1985-10-01), Nighan et al.
patent: 4723093 (1988-02-01), Nolan
patent: 4731560 (1988-03-01), Ernsthausen
patent: 4737687 (1988-04-01), Shinoda et al.

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