Airtight envelope for image display panel, image display panel a

Details Airtight envelope for image display panel, image display panel a Airtight envelope for image display panel, image display panel a

1994-04-26

1997-02-04

O'Shea, Sandra L.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313422, 313634, 313292, H01J 2950

Patent

active

056002033

ABSTRACT:
An airtight envelope for an FED capable of ensuring formation of a gap or internal space therein with high accuracy and preventing leakage thereof and a decrease in display area. An anode substrate having a phosphor-deposited display pattern formed thereon and a cathode substrate having an electron emission source formed thereon are sealed joined to each other using a sealing material, to thereby provide an airtight envelope for an FED. The substrates are provided at a portion thereof joined together with particulate or bar-like elements which are kept unmelted or substantially unsoftened. Also, spacers are arranged at positions in a gap between the anode substrate and the cathode substrate which do not interfere with a display by the FED.

REFERENCES:
patent: 4037930 (1977-07-01), Matsuyama
patent: 4252414 (1981-02-01), Kinugawa et al.
patent: 4745332 (1988-05-01), Ticher
patent: 4841194 (1989-06-01), Kishino et al.
patent: 5032761 (1991-07-01), Itoh et al.
patent: 5157304 (1992-10-01), Kane et al.
patent: 5207607 (1993-05-01), Nagano et al.
patent: 5277946 (1994-01-01), Nagai et al.

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