Rear projection screen incorporating diffuser

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6519087
APP PUB NO 20020109916A1
SERIAL NO

08838579

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A rear projection screen including a plurality of refracting beads bound in optical contact with a substrate is disclosed. The beads are surrounded by an opaque matrix. A diffuser is positioned such that light traveling through the screen will pass through the diffuser after passing through the beads but before exiting the screen.

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First Claim

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY;MINNESOTA MINING AND MANUFACTURING COMPANY

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Moshrefzadeh, Robert S St. Paul, MN 52 3012

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