PATTERNED CONDUCTOR TOUCH SCREEN
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United States of America Patent
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Issued Date -
Aug 6, 2015
app pub date -
Aug 23, 2013
filing date -
Aug 28, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A touch screen and a method to manufacture a touch screen having a substrate and a patterned transparent conductor layer. The color difference between substrate areas with and without coverage by the transparent conductor layer with respect to both reflectance and transmittance is reduced by an intermediate layer stack (IL) disposed between the substrate and the transparent conductor layer. The intermediate layer stack includes a plurality of at least two alternating high refractive index and low refractive index materials. In a second embodiment of a touch screen and a method to manufacture a touch screen, a capping layer (CL) is situated on top of the patterned transparent conductor layer and the intermediate layer (IL) where it is not covered by the patterned transparent conductor layer.
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