US Patent 7981489 Optical compensation sheet and liquid crystal display device
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Edits on 28 Nov, 2023
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Patent abstract
An optical compensation sheet, which contains a cellulose acylate film that contains 1 to 20 parts by mass of a retardation controlling agent, to 100 parts by mass of a cellulose acylate, wherein the retardation controlling agent comprises at least two compounds different in Re/Rth ratios each other; and a liquid crystal display device, which contains the optical compensation sheet.
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US Patent 07981489 Optical compensation sheet and liquid crystal display device US Patent 7981489 Optical compensation sheet and liquid crystal display device
Infobox
Patent Number
0798148900
Patent Number
798148900
Edits on 22 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079814890
Date of Patent
July 19, 2011
0Patent Application Number
118847540
Date Filed
February 22, 2006
0Patent Primary Examiner
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079814890
Date of Patent
July 19, 2011
0Patent Application Number
118847540
Date Filed
February 22, 2006
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
Edits made to:
Infobox (+7 properties)
US Patent 07981489 Optical compensation sheet and liquid crystal display device
Infobox
Is a
Patent jurisdiction
Patent number
07981489
Date of patent
July 19, 2011
Patent application number
11884754
Date Filed
February 22, 2006
Patent primary examiner
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