US Patent 7969541 Retardation film, method of manufacturing the same, and display
Patent 7969541 was granted and assigned to Sony on June, 2011 by the United States Patent and Trademark Office.
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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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Patent Inventor Names
Akito Kuriyama0
Hitoshi Katakura0
Jun Shimizu0
Junichi Inoue0
Kei Obata0
Kentaro Okuyama0
Mitsunari Hoshi0
Shinya Suzuki0
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US Patent 07969541 Retardation film, method of manufacturing the same, and display US Patent 7969541 Retardation film, method of manufacturing the same, and display
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Patent Number
079695410
Patent Number
79695410
Edits on 26 Sep, 2022
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
079695410
Date of Patent
June 28, 2011
0Patent Application Number
125645050
Date Filed
September 22, 2009
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
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Infobox (+8 properties)
US Patent 07969541 Retardation film, method of manufacturing the same, and display
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07969541
Date of patent
June 28, 2011
Patent application number
12564505
Date Filed
September 22, 2009
Patent primary examiner
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