Method of manufacturing directional backlight apparatus and directional structured optical film
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United States of America Patent
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Issued Date -
Feb 13, 2014
app pub date -
May 17, 2013
filing date -
Nov 19, 2010
priority date (Note) -
Abandoned
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Abstract
Disclosed is a manufacturing method for a stepped imaging directional backlight apparatus which may include a structured optical film and a tapered body. The structured optical film may include multiple optical functions and may be assembled by folding onto the tapered body, reducing cost and complexity of manufacture.
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