Touch device and fabrication method thereof
First Claim
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1. A touch device, having a sensing area and a peripheral area surrounding the sensing area, the touch device comprising:
- a substrate;
a touch-sensing layer disposed on a bottom surface of the substrate, wherein the touch-sensing layer comprises at least one sensing electrode and at least one signal conveying trace, a major part of the sensing electrode is disposed at the sensing area, and the signal conveying trace is electrically insulated from the shielding layer by the insulating layer, and a major part of the signal conveying trace is disposed at the peripheral area, and the signal conveying trace is electrically connected with the sensing electrode;
a shielding layer disposed on the bottom surface of the substrate and substantially formed at the peripheral area, wherein the shielding layer has a shape surrounding the touch-sensing layer; and
an insulating layer disposed on the bottom surface of the substrate and between the touch-sensing layer and the shielding layer, wherein the shielding layer comprises an induced layer and a conductive layer, a gap is defined between a side portion of the induced layer and a side portion of the sensing electrode, the insulating layer is filled into the gap and covers a portion of a bottom surface of the induced layer, and the conductive layer is disposed on an uncovered portion of the bottom surface of the induced layer to electrically connect with the induced layer.
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Abstract
A touch device is provided. The touch device, having a sensing area and a peripheral area, includes a touch-sensing layer, a shielding layer disposed at the peripheral area of and separated from the touch-sensing layer, and an insulating layer disposed between the touch-sensing layer and the shielding layer. Moreover, a fabrication method of a touch device is provided.
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Citations
25 Claims
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1. A touch device, having a sensing area and a peripheral area surrounding the sensing area, the touch device comprising:
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a substrate; a touch-sensing layer disposed on a bottom surface of the substrate, wherein the touch-sensing layer comprises at least one sensing electrode and at least one signal conveying trace, a major part of the sensing electrode is disposed at the sensing area, and the signal conveying trace is electrically insulated from the shielding layer by the insulating layer, and a major part of the signal conveying trace is disposed at the peripheral area, and the signal conveying trace is electrically connected with the sensing electrode; a shielding layer disposed on the bottom surface of the substrate and substantially formed at the peripheral area, wherein the shielding layer has a shape surrounding the touch-sensing layer; and an insulating layer disposed on the bottom surface of the substrate and between the touch-sensing layer and the shielding layer, wherein the shielding layer comprises an induced layer and a conductive layer, a gap is defined between a side portion of the induced layer and a side portion of the sensing electrode, the insulating layer is filled into the gap and covers a portion of a bottom surface of the induced layer, and the conductive layer is disposed on an uncovered portion of the bottom surface of the induced layer to electrically connect with the induced layer. - View Dependent Claims (2, 3)
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4. A touch device, having a sensing area and a peripheral area surrounding the sensing area, the touch device comprising:
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a substrate; a sensing electrode disposed on a bottom surface of the substrate and at the sensing area; a mask layer disposed on the bottom surface of the substrate and at the peripheral area; a signal conveying trace electrically connected to the sensing electrode and covered by the mask layer; a shielding layer disposed on the bottom surface of the substrate and substantially formed at the peripheral area, wherein the shielding layer has a shape surrounding the touch-sensing layer, and the shielding layer comprises an induced layer and a conductive layer;
whereinthe induced layer is covered by the mask layer, and the conductive layer is electrically connected with the induced layer; and an insulating layer disposed on the bottom surface of the substrate, wherein the insulating layer is located between the induced layer and the signal conveying trace and between the induced layer and the sensing electrode, wherein a gap is defined between a side portion of the induced layer and a side portion of the sensing electrode, the insulating layer is filled into the gap and covers a portion of a bottom surface of the induced layer, and the conductive layer is disposed on a uncovered portion of the bottom surface of the induced layer to electrically connect with the induced layer. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11)
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12. A method for fabricating a touch device, wherein the touch device has a sensing area and a peripheral area surrounding the sensing area, comprising:
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forming a touch-sensing layer on a bottom surface of a substrate, wherein the touch-sensing layer comprises at least one sensing electrode and at least one signal conveying trace; forming a shielding layer on the bottom surface of the substrate and substantially at the peripheral area, wherein the shielding layer has a shape surrounding the touch-sensing layer and is separated from the touch-sensing layer; and forming an insulating layer on the bottom surface of the substrate and between the touch-sensing layer and the shielding layer, wherein the shielding layer comprises an induced layer and a conductive layer, a gap is defined between a side portion of the induced layer and a side portion of the sensing electrode, the insulating layer is filled into the gap and covers a portion of a bottom surface of the induced layer, and the conductive layer is disposed on a uncovered portion of the bottom surface of the induced layer to electrically connect with the induced layer. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification