Phosphor geometry for color displays from a multiple gaseous dis

Details Phosphor geometry for color displays from a multiple gaseous dis Phosphor geometry for color displays from a multiple gaseous dis

1970-12-16

1977-05-31

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313220, 313224, 313493, H01J 6116, H01J 6130, H01J 6144

Patent

active

040271919

ABSTRACT:
There is disclosed a multiple gaseous discharge display/memory panel having an electrical memory and capable of producing a visual color display, the panel being characterized by an ionizable gaseous medium in a gas chamber formed by a pair of opposed dielectric material charge storage members which are respectively backed by a series of parallel-like conductor (electrode) members, the conductor members behind each dielectric material member being transversely oriented with respect to the conductor members behind the opposing dielectric material member so as to define a plurality of discrete discharge volumes each of which constitutes a discharge unit, at least one dielectric material member containing a photoluminescent phosphor geometrically adjacent to at least one discharge unit, such that the phosphor is excited with ultraviolet radiation emitted from the gaseous discharge of such unit and such that the UV excited phosphor emits visible light of a brightness and intensity sufficient for visual display. In one preferred embodiment, the UV has a wavelength of about 500 to about 2500 angstrom units.

REFERENCES:
patent: 2207174 (1940-07-01), Jenkins
patent: 2622221 (1952-12-01), Beese
patent: 2644113 (1953-06-01), Etzkorn
patent: 3374381 (1968-03-01), Albinak et al.
patent: 3504819 (1970-04-01), Veres
patent: 3509407 (1970-04-01), Cullis, Jr.
patent: 3559190 (1971-01-01), Bitzer et al.
patent: 3562737 (1971-02-01), Wiederhorn et al.

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