OPTICAL FILM AND SURFACE LIGHT EMITTING BODY
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United States of America Patent
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Feb 11, 2016
app pub date -
Apr 3, 2014
filing date -
Apr 5, 2013
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Abstract
This optical film comprises: a recessed and projected structure layer that forms one surface of the optical film; and an adhesive layer that forms the other surface of the optical film. The recessed and projected structure layer contains 1-28% by mass of first fine light diffusing particles relative to the total mass of the recessed and projected structure layer, and the adhesive layer contains 1-40% by mass of second fine light diffusing particles relative to the total mass of the adhesive layer. This surface light emitting body comprises the above-described optical film.
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