Cold-cathode discharge device for emitting light

Details Cold-cathode discharge device for emitting light Cold-cathode discharge device for emitting light

1996-07-23

1999-05-18

Patidar, Jay M.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313345, 313346R, 313355, H01J61/00

Patent

active

059053348

ABSTRACT:
A cold-cathode discharge device for emitting light. The device has a fluorescent tube and electrodes containing R.sub.2 O.sub.3-z (where R is an atom or an atom group of rare earth elements, O is oxygen, and z is 0.0 to 1.0). The electrodes are made by oxidation of the rare earth elements under an atmosphere in which oxygen and/or oxygen-containing substance is 1% or less by volume, in order to control the stoichiometry of the oxide.

REFERENCES:
patent: 4136227 (1979-01-01), Saito et al.
patent: 4864191 (1989-09-01), Van De Weijer et al.
patent: 5111108 (1992-05-01), Goodman et al.

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