Capacitive touch screen
First Claim
Patent Images
1. A capacitive touch screen comprising:
- a display device comprising a functional display element attached to a substantially transparent substrate;
a first plurality of electrodes attached to the substantially transparent substrate, wherein the first plurality of electrodes are substantially parallel in a first direction and are aperiodically spaced from each other; and
a second plurality of electrodes, wherein each of the second plurality of electrodes crosses each of the plurality of first electrodes and each of the second plurality of electrodes is configured to capacitively couple with each of the first plurality of electrodes.
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Abstract
An embodiment of a capacitive touch screen may comprise a display device comprising a substantially transparent substrate, a first plurality of electrodes attached to the substantially transparent substrate, wherein the first plurality of electrodes are substantially parallel in a first direction, and a second plurality of electrodes, wherein each of the second plurality of electrodes is capacitively coupled with each of the first plurality of electrodes.
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Citations
20 Claims
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1. A capacitive touch screen comprising:
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a display device comprising a functional display element attached to a substantially transparent substrate; a first plurality of electrodes attached to the substantially transparent substrate, wherein the first plurality of electrodes are substantially parallel in a first direction and are aperiodically spaced from each other; and a second plurality of electrodes, wherein each of the second plurality of electrodes crosses each of the plurality of first electrodes and each of the second plurality of electrodes is configured to capacitively couple with each of the first plurality of electrodes. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A capacitive touch screen comprising:
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a display device; a functional display element attached to a substantially transparent substrate overlaying a viewable area of the display device; a first plurality of electrodes attached to a side of the substantially transparent substrate opposite the display device, wherein the plurality of electrodes are substantially parallel in a first direction and are aperiodically spaced from each other; and a second plurality of electrodes, wherein each of the electrodes of the second plurality of electrodes crosses each of the electrodes of the first plurality of electrodes and each of the electrodes of the second plurality of electrodes is configured to capacitively couple with each electrode of the first plurality of electrodes. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method of forming a capacitive touch screen, comprising:
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depositing a first conductive material layer over a substantially transparent substrate of a display device, wherein a functional display element is attached to at least one side of the substantially transparent substrate; patterning the first conductive material layer to form a first plurality of electrodes, wherein the first plurality of electrodes are substantially parallel and are aperiodically spaced from each other; and constructing a second plurality of electrodes coupled with the display device, wherein each electrode of the second plurality of electrodes crosses each electrode of the plurality of first electrodes and each electrode of the second plurality of electrodes is configured to capacitively couple with each electrode of the first plurality of electrodes. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification