Patterned adhesives for reflectors
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United States of America Patent
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Oct 28, 2014
Grant Date -
Mar 18, 2010
app pub date -
Aug 26, 2009
filing date -
Sep 17, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A reflector laminate, and backlights and displays incorporating such reflector laminates are disclosed. The reflector laminate includes a substrate and a reflector that are adhered together by a plurality of adhesive protrusions. The adhesive protrusions provide for a plurality of voids between the reflector and the substrate, so that a free reflector surface is adjacent to an air gap between the reflector and substrate. The reflector can include a multilayer interference reflector, and the presence of the air gap ensures high reflectivity for the laminate. The reflector can be adhered to a solid lightguide, a frame enclosing a portion of a backlight, a frame enclosing a hollow lightguide cavity, or an optical sheet positioned at the output surface of a backlight.
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