Gas-discharge display panel

Details Gas-discharge display panel Gas-discharge display panel

1978-09-27

1981-02-03

Demeo, Palmer C.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For plural electrodes of discharge device

313346R, 313484, H01J 61067

Patent

active

042491053

ABSTRACT:
Disclosed is a gas-discharge display panel having plural discharge cells arranged in a matrix. Each of the discharge cells is provided with a hot cathode consisting of conductive material having a shape which provides a heat capacity and heat conductivity as small as possible. Each cathode is coated by an electron emissive material having a small work function. As a result, the hot cathode can be heated to a required working temperature solely by the bombardment of particles contained in a discharge current itself, without requiring any externally supplied heating power to obtain a highly efficient use of applied driving power.

REFERENCES:
patent: 2073885 (1937-03-01), Spanner et al.
patent: 2135707 (1938-11-01), Gaidies
patent: 2426255 (1947-08-01), Widmaier
patent: 2639399 (1953-05-01), Lafferty
patent: 3334269 (1967-08-01), L'Heureux
patent: 3630770 (1971-12-01), Favreau
patent: 3743879 (1973-07-01), Kupsky
patent: 3883760 (1975-05-01), Cunningham, Jr.
patent: 3890609 (1975-06-01), Sasaki et al.
patent: 3952221 (1976-04-01), Kamegaya et al.
patent: 4021695 (1977-05-01), Kamegaya et al.

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