Optical assembly and the method to make the same
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United States of America Patent
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Dec 12, 2017
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Apr 8, 2016
filing date -
Mar 1, 2016
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Abstract
The present invention discloses an optical assembly. The optical assembly comprises: a first optical film comprising a first surface; an adhesive disposed on the first surface of the first optical film; and a second optical film comprising a second surface, wherein the second surface of the second optical film comprises a plurality of microstructures, wherein the plurality of microstructures are bonded to the adhesive; wherein the adhesive is made of a first material and the plurality of microstructures are made of a second material, wherein the hydrophilic/hydrophobic characteristic of the first material is configured with respect to the hydrophilic/hydrophobic characteristic of the second material such that the adhesive force between the adhesive and the plurality of microstructures of the second optical film is larger than 100 g/25 mm and the optical gain of the optical assembly is larger than 1.5.
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