Thin film flat panel displays and method of manufacture

Details Thin film flat panel displays and method of manufacture Thin film flat panel displays and method of manufacture

1987-12-21

1991-10-22

O'Shea, Sandra L.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 43, 313509, H01J 926, H01J 9395

Patent

active

050591487

ABSTRACT:
A thin-film electroluminescent (TFEL) display panel and method of fabricating a TFEL display are disclosed. The present invention relates to a TFEL display panel shielded by a pair of glass substrates with a protective material disposed therebetween wherein a metal washer is permanently bonded over the substrate oil fill orifices(s) and interfaces the cover glass. This metal washer is prepared in advance by pretinning with a solder to ease reflow after backfill process is complete. This solder provides the seal medium to close the backfill orifice. One of the advantages of using a soldered hole seal according to the present invention is that oil contamination becomes minimized. The backfill hole sealing is accomplished quickly in dry atmosphere without the presence of adhesives of flammable solvents.

REFERENCES:
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patent: 3970363 (1976-07-01), Geyer et al.
patent: 4213074 (1980-07-01), Kawaguchi et al.
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patent: 4357557 (1982-11-01), Inohara et al.
patent: 4447757 (1984-05-01), Kawaguchi et al.
patent: 4810931 (1989-03-01), McKenna et al.
"Liquid Crystal Cell Filling", by Edmonds et al., IBM Technical Disclosure Bulleting, vol. 16, No. 2, Jul. 1973.
J. Addy et al., IBM Technical Dislcosure Bulletin, vol 23, No. 11 (Apr. 1981).

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