Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1991-03-29
1992-06-23
Seidleck, James J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
313512, 313506, 428690, 428917, H01J 170
Patent
active
051242044
ABSTRACT:
Disclosed is a thin film EL panel having a high reliability. The thin film El panel is thin, light, and is made at a low cost. The present invention provides in a thin film electroluminescent (EL) panel comprising a light permeable base plate, a thin film EL element formed on the base plate and a moisture-proof sheet covered thereon, an improvement residing in that a moisture-absorption sheet is placed between said thin film EL element and said moisture-proof sheet, and said moisture-absorption sheet comprises an organic polymer sheet with silica gel powder dispersed therein at a certain surface density. The present invention also provides in a thin film electroluminescent (EL) panel comprising a light permeable base plate, a thin film EL element formed on the base plate and a moisture-proof sheet covered thereon, an improvement residing in that a moisture-absorption layer is formed on the inside surface of the moisture-proof sheet by coating powder thereon having moisture absorption properties.
REFERENCES:
patent: 3182209 (1965-05-01), Fruin et al.
patent: 4104555 (1978-08-01), Fleming
patent: 4336523 (1982-06-01), Jaggi
patent: 4357557 (1982-11-01), Inohara et al.
patent: 4767674 (1988-08-01), Kawachi
Murakami Yoshiki
Nakajima Shigeo
Uno Keiichi
Yamashita Takuo
Yoshida Masaru
Seidleck James J.
Sharp Kabushiki Kaisha
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