US Patent 7123410 Projection screen and projection system comprising the same
Patent 7123410 was granted and assigned to Dai Nippon Printing on October, 2006 by the United States Patent and Trademark Office.
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Patent Inventor Names
Masanori Umeya0
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Patent abstract
A projection screen includes a polarized-light selective reflection layer having a cholesteric liquid crystalline structure, capable of selectively reflecting a specific polarized-light component; and a substrate that supports the polarized-light selective reflection layer. In the cholesteric liquid crystalline structure of the polarized-light selective reflection layer, the helical pitch on the side farther from the imaging-light-incident side is longer than that on the side closer to the imaging-light-incident side.
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US Patent 07123410 Projection screen and projection system comprising the same US Patent 7123410 Projection screen and projection system comprising the same
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Patent Number
071234100
Patent Number
71234100
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Current Assignee
Patent Jurisdiction
Patent Number
071234100
Date of Patent
October 17, 2006
0Patent Application Number
109125660
Date Filed
August 6, 2004
0Official Website
Patent Primary Examiner
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US Patent 07123410 Projection screen and projection system comprising the same
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07123410
Date of patent
October 17, 2006
Patent application number
10912566
Date Filed
August 6, 2004
Patent primary examiner
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