Optical films of differing refractive indices
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United States of America Patent
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Issued Date -
Aug 17, 2006
app pub date -
Feb 11, 2005
filing date -
Feb 11, 2005
priority date (Note) -
Abandoned
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Abstract
An optical layer includes a first optical film having a first index of refraction (n.sub.1) and a second optical film having a second index of refraction (n.sub.2). The first index of refraction and the second index of refraction are not the same, and a plurality of optical features is disposed over each of the optical films. A light management film is also disclosed.
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