Touch panel, a touch device, and a method for determining a location of a touch point
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United States of America Patent
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Jul 7, 2015
Grant Date -
Nov 14, 2013
app pub date -
May 7, 2013
filing date -
May 10, 2012
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Abstract
A touch panel includes a substrate, first and second electrode units, and an auxiliary electrode unit. The substrate has first and second touch areas. The first electrode unit includes a plurality of first electrodes arranged spacedly in one of rows and columns, and disposed on the substrate to span the first and second touch areas. The second electrode unit includes a plurality of second electrodes arranged spacedly in the other of rows and columns to intersect without contacting the first electrodes. The auxiliary electrode unit is disposed proximate to and without contacting the second electrode unit such that the second electrode unit is able to detect a signal passing through the auxiliary electrode unit.
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