Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shinya Suzuki0
Kei Obata0
Kentaro Okuyama0
Mitsunari Hoshi0
Akito Kuriyama0
Hitoshi Katakura0
Jun Shimizu0
Junichi Inoue0
Date of Patent
June 28, 2011
0Patent Application Number
125645050
Date Filed
September 22, 2009
0Patent Primary Examiner
Patent abstract
A retardation film which is manufacturable by a simple process, and being capable of preventing a decline in light use efficiency is provided. A retardation film includes: a substrate having a plurality of grooves extending in a specific direction on a surface thereof; and a retardation layer arranged in contact with the surface of the substrate, and including a liquid crystal material, the liquid crystal material being aligned along the extending direction of the plurality of grooves and being polymerized.
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