US Patent 12001097 Edge-lit back light unit with improved efficiency
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US Patent 12001097 Edge-lit back light unit with improved efficiency
Article
Patent abstract
An edge-lit back light unit for a backlit display includes a reflector, an edge-lit light guide film, a diffuser film, and a pair of crossed brightness enhancement films with increased efficiency. The diffuser film has an angular light distribution output that is matched to light acceptance angles of the pair of crossed brightness enhancement films to provide increased on-axis brightness without having to increase power to the edge-lit back light unit.
Infobox
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Patent Jurisdiction
Patent Number
Patent Inventor Names
Bing Shen0
Kenneth L. Walker0
Matthew K. Pope0
Date of Patent
June 4, 2024
0Patent Application Number
183108770
Date Filed
May 2, 2023
0Patent Citations
Patent Primary Examiner
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