TOUCH PROJECTION SCREEN AND PROJECTION SYSTEM USING THE SAME
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United States of America Patent
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Issued Date -
May 5, 2016
app pub date -
Jul 10, 2015
filing date -
Oct 30, 2014
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Abstract
A touch projection screen includes a capacitive touch sensing layer and a substrate. The capacitive touch sensing layer includes a first surface, a second surface opposite to the first surface, a plurality of first sensing wires, a plurality of second sensing wires and a circuit connection unit. The substrate covers on the first surface. Any two of the first sensing wires don't intersect with each other. Any two of the second sensing wires don't intersect with each other. The first and second sensing wires are alternatively arranged in grid to define a touch sensing area and an edge area is around at least part of the touch sensing area. Each of the first and second sensing wires includes a wire and an insulating layer covering the part of the wire located in the touch sensing area. The circuit connection unit is electrically connected to the wires in the edge area.
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