LIGHT REDIRECTING FILM AND DISPLAY SYSTEM INCORPORATING SAME
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United States of America Patent
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Issued Date -
Mar 28, 2019
app pub date -
Nov 9, 2018
filing date -
Nov 9, 2018
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Abstract
Optical films for redirecting light are described, and optical systems, such as display systems, incorporating such optical films are described. The optical film may include a first structured surface including a plurality of prismatic structures, and a second structured surface opposing the first structured surface and including a plurality of microstructures. An effective transmission of the optical film is not more than 1% less than a film with a comparable construction except for a smooth, non-structured second surface.
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