Touch screen panel for display device and method of manufacturing the same
First Claim
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1. A touch screen panel comprising:
- a substrate having a first surface and a second surface at a side opposite to the first surface;
a first polymer layer on the first surface of the substrate;
a plurality of first electrodes extending in a first direction on the second surface of the substrate;
a second polymer layer on the plurality of first electrodes and the second surface of the substrate; and
a plurality of second electrodes extending in a second direction on the second polymer layer, changes in capacitance between the plurality of the second electrodes and the plurality of the first second electrodes detected for sensing touch on the first polymer layer.
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Abstract
A touch screen panel for a display device includes layers of polymer formed on both sides of a substrate for forming driving electrodes and sensing electrodes. The substrate may be made of materials such as polyethylene terephthalate (PET). Instead of bonding a window cover made of a heavy material, layers or polymer are formed on both sides of the substrate to afford rigidity to the touch screen panel. By removing the window cover, the weight and thickness of the touch screen panel can be reduced.
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Citations
20 Claims
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1. A touch screen panel comprising:
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a substrate having a first surface and a second surface at a side opposite to the first surface; a first polymer layer on the first surface of the substrate; a plurality of first electrodes extending in a first direction on the second surface of the substrate; a second polymer layer on the plurality of first electrodes and the second surface of the substrate; and a plurality of second electrodes extending in a second direction on the second polymer layer, changes in capacitance between the plurality of the second electrodes and the plurality of the first second electrodes detected for sensing touch on the first polymer layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 18, 19, 20)
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11. A method of manufacturing a touch screen panel, the method comprising:
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forming a first polymer layer on a first surface of a substrate; forming a plurality of first electrodes extending in a first direction on a second surface of the substrate; forming a second polymer layer on the plurality of first electrodes and the second surface of the substrate; forming a plurality of second electrodes extending in a second direction on the second polymer layer, changes in capacitance between the plurality of the second electrodes and the plurality of the first second electrodes detected for sensing touch on the first polymer layer. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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Specification