US Patent 7199848 Optical compensation sheet and liquid crystal display
Patent 7199848 was granted and assigned to Konica on April, 2007 by the United States Patent and Trademark Office.
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Patent abstract
An optical compensation film used for a liquid crystal display comprising a support and an optically anisotropic layer is disclosed. The optically anisotropic layer is a layer on which orientation of the liquid crystalline compound is fixed and the support is an optically biaxial cellulose ester film. A polarizing plate used for a liquid crystal display and a liquid crystal display employing the optical compensation film are also disclosed.
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US Patent 07199848 Optical compensation sheet and liquid crystal display US Patent 7199848 Optical compensation sheet and liquid crystal display
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Patent Number
0719984800
Patent Number
719984800
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
071998480
Date of Patent
April 3, 2007
0Patent Application Number
099078090
Date Filed
July 19, 2001
0Official Website
Patent Primary Examiner
Edits on 28 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
071998480
Date of Patent
April 3, 2007
0Patent Application Number
099078090
Date Filed
July 19, 2001
0Official Website
Patent Primary Examiner
Edits on 8 Jun, 2022
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US Patent 07199848 Optical compensation sheet and liquid crystal display
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07199848
Date of patent
April 3, 2007
Patent application number
09907809
Date Filed
July 19, 2001
Patent primary examiner
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