Gaseous discharge luminous device

Details Gaseous discharge luminous device Gaseous discharge luminous device

1976-01-30

1976-12-28

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313185, 313214, 313226, H01J 6106, H01J 6116, H01J 6144

Patent

active

040004368

ABSTRACT:
A luminous device includes a cell, electrodes having a discharge gap of from 0.1 to 3.0 mm, a phosphor and a gas at a pressure of 30 to 300 nm, the gas having discharge emission spectra below 200 nm. The phosphor is one of various cerium activated yttrium silicates or europium activated orthophosphates and is disposed in the cell for exposure to the emission discharge of the gas. The device gives off blue light with higher emission efficiency and chroma saturation.

REFERENCES:
patent: 1186993 (1916-06-01), Keyes
patent: 2207174 (1940-07-01), Jenkins
patent: 2357732 (1944-09-01), Ehrlich
patent: 2409769 (1946-10-01), Leyshon
patent: 2622221 (1952-12-01), Beese
patent: 3589789 (1971-06-01), Hubert et al.
patent: 3599028 (1971-08-01), Wanmaker et al.
patent: 3686686 (1969-12-01), Hall

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