Method for stacking surface structured optical films
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United States of America Patent
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Jan 25, 2005
Grant Date -
Nov 18, 2004
app pub date -
May 16, 2003
filing date -
May 16, 2003
priority date (Note) -
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Abstract
A display includes an optical film that has a surface structure, such as a prismatically structured surface for increasing the brightness of the display. The structured surface is bonded to an opposing surface of a second film using a layer of adhesive, by penetrating the structured surface into the adhesive layer to a depth less than a feature height of the structured surface. The bonded film structure provides additional strength to the films and reduces the possibility of film damage during display assembly.
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