Gas discharge display apparatus

Details Gas discharge display apparatus Gas discharge display apparatus

2007-03-28

2009-10-06

Patel, Vip (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C313S484000

Reexamination Certificate

active

07598664

ABSTRACT:
In a gas discharge display apparatus, a dielectric layer overlies the row electrode pairs provided between the opposing front and back glass substrates placed across the discharge space. A protective layer for the dielectric layer includes a crystalline MgO layer that has a property causing a cathode-luminescence emission having a peak within a wavelength range of 200 nm to 300 nm upon excitation by electron beams. A red phosphor layer generating visible light by being excited by vacuum ultraviolet light includes a mixed phosphor of a first phosphor of (Y, Gd)BO3:Eu or the like which is a borate-system red phosphor and a second phosphor of Y(V, P)O4:Eu which is a phos-vana system red phosphor.

REFERENCES:
patent: 2004/0090169 (2004-05-01), Choi
patent: 2005/0264206 (2005-12-01), Yoshinari et al.
patent: 1 517 349 (2005-03-01), None
patent: 1 536 448 (2005-06-01), None
patent: 1 612 193 (2006-01-01), None
patent: 1 638 127 (2006-03-01), None
Akio Nishida et al.; “Preparation and Properties of Magnesia Powder”; Vapor Phase Oxidation Process; Journal of The Society of Materials Science; Nov. 1987; pp. 1157-1161; vol. 36; No. 410; Japan.

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