Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Makoto Koike0
Osamu Iwasaki0
Ryuichi Katsumoto0
Date of Patent
May 18, 2010
Patent Application Number
11812569
Date Filed
June 20, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides an optical sheet having one generally planar surface and composed of transmissive material, wherein on the other surface of the optical sheet, a concavo-convex pattern formed of a convex portion having a triangular top portion and a concave portion of a surface parallel to the one surface of the optical sheet is formed alternately in a generally parallel array.
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