Optical film and optical display device having the same
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United States of America Patent
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Issued Date -
May 5, 2005
app pub date -
Sep 21, 2004
filing date -
Sep 29, 2003
priority date (Note) -
Abandoned
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Abstract
The present invention provides an optical film and an optical display device which can suppress the occurrence of interference fringes. The optical film comprises a plurality of transparent layers. A first transparent layer and a second transparent layer, provided in contact with the first transparent layer, constituting the optical film are different from each other in refractive index of material constituting the layer. The contact interface between the first transparent layer and the second transparent layer is a light scattering interface, whereby the occurrence of interference fringes is suppressed. The optical display device comprises this optical film.
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