TWO-SIDED MICROSTRUCTURE FORMING DEVICE AND METHOD FOR FORMING AN OPTICAL PLATE
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United States of America Patent
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app pub date -
Jul 25, 2012
filing date -
Aug 17, 2010
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Abandoned
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Abstract
A microstructure forming device for forming an optical plate includes: a roller unit including a pressing roller, and first and second embossing rollers that respectively have first and second micropatterned surfaces; an extrusion die for extruding a substrate material to a first nip between the first embossing roller and the pressing roller to form a lower microstructure; and a photosensitive resin-applying unit disposed immediately above the second embossing roller for directing a photosensitive resin onto the second embossing roller to form an upper microstructure that is opposite to the lower microstructure.
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