US Patent 11181776 Back light unit for backlit displays
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Patent abstract
A back light unit includes an array of light emitting diodes, at least two optical films positioned above the array of light emitting diodes, and a pair of brightness enhancement films positioned above the at least two optical films. A majority of the optical films are light splitting optical films having a plurality of light splitting microstructures on at least one surface thereof.
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Patent Jurisdiction
Patent Number
111817760
Date of Patent
November 23, 2021
0Patent Application Number
170157800
Date Filed
September 9, 2020
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
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Patent Jurisdiction
Patent Number
111817760
Date of Patent
November 23, 2021
0Patent Application Number
170157800
Date Filed
September 9, 2020
0Official Website
Patent Primary Examiner
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US Patent 11181776 Back light unit for backlit displays
Infobox
Is a
Patent jurisdiction
Patent number
11181776
Date of patent
November 23, 2021
Patent application number
17015780
Date Filed
September 9, 2020
Patent primary examiner
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