Touch sensor with high-density macro-feature design
DCFirst Claim
1. A touch position-sensing panel comprising:
- a sensing area comprising;
a substrate;
a plurality of first electrodes in a first layer on a first side of the substrate, the plurality of first electrodes comprising conductive mesh and arranged in a first direction, the plurality of first electrodes each being a quadrilateral electrode having a first length and a first width, wherein each of the plurality of first electrodes spans the sensing area in the first direction;
the first layer having a first plurality of gaps formed therein, each of the first plurality of gaps having a first length and a first width, the first width being greater than or equal to 5 micrometers and less than 20 micrometers, wherein each of the plurality of first electrodes are separated from at least one adjacent electrode of the plurality of first electrodes by one of the first plurality of gaps;
a plurality of second electrodes in a second layer on a second side of the substrate, the plurality of second electrodes comprising conductive mesh and arranged in a second direction, the plurality of second electrodes each being a quadrilateral electrode having a second length and a second width, wherein each of the plurality of second electrodes spans the sensing area in the second direction;
the second layer having a second plurality of gaps formed therein, each of the second plurality of gaps having a second length and a second width, the second width being greater than or equal to 5 micrometers and less than 20 micrometers, wherein each of the plurality of second electrodes are separated from at least one adjacent electrode of the plurality of second electrodes by one of the second plurality of gaps;
wherein the plurality of first electrodes and the plurality of second electrodes overlap to create a plurality of nodes;
wherein each of the first plurality of gaps and each of the second plurality of gaps runs in a generally straight line from one side of the sensing area to an opposing side of the sensing area;
wherein the first length of each of the plurality of first electrodes is approximately equal to the second length of each of the plurality of second electrodes;
wherein the first width of each of the plurality of first electrodes is approximately equal to the second width of each of the plurality of second electrodes;
wherein the first length of each of the first plurality of gaps is approximately equal to the second length of each of the second plurality of gaps;
wherein the first width of each of the first plurality of gaps is approximately equal to the second width of each of the second plurality of gaps,wherein the plurality of first electrodes are formed from a piece of conductive mesh by creating a plurality of cuts in the piece of conductive mesh, each of the plurality of cuts in the piece of conductive mesh being one of the plurality of gaps.
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Abstract
In one embodiment, a touch position-sensing panel comprises a sensing area comprising a substrate, a plurality of first electrodes in a first layer, the plurality of first electrodes comprising conductive mesh and arranged in a first direction, the first layer having a first plurality of gaps formed therein, a plurality of second electrodes in a second layer, the plurality of second electrodes comprising conductive mesh and arranged in a second direction, the second layer having a second plurality of gaps formed therein, wherein the plurality of first electrodes and the plurality of second electrodes overlap to create a plurality of nodes, and wherein each of the plurality of gaps runs in a generally straight line from one side of the sensing area to an opposing side of the sensing area.
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Citations
15 Claims
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1. A touch position-sensing panel comprising:
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a sensing area comprising; a substrate; a plurality of first electrodes in a first layer on a first side of the substrate, the plurality of first electrodes comprising conductive mesh and arranged in a first direction, the plurality of first electrodes each being a quadrilateral electrode having a first length and a first width, wherein each of the plurality of first electrodes spans the sensing area in the first direction; the first layer having a first plurality of gaps formed therein, each of the first plurality of gaps having a first length and a first width, the first width being greater than or equal to 5 micrometers and less than 20 micrometers, wherein each of the plurality of first electrodes are separated from at least one adjacent electrode of the plurality of first electrodes by one of the first plurality of gaps; a plurality of second electrodes in a second layer on a second side of the substrate, the plurality of second electrodes comprising conductive mesh and arranged in a second direction, the plurality of second electrodes each being a quadrilateral electrode having a second length and a second width, wherein each of the plurality of second electrodes spans the sensing area in the second direction; the second layer having a second plurality of gaps formed therein, each of the second plurality of gaps having a second length and a second width, the second width being greater than or equal to 5 micrometers and less than 20 micrometers, wherein each of the plurality of second electrodes are separated from at least one adjacent electrode of the plurality of second electrodes by one of the second plurality of gaps; wherein the plurality of first electrodes and the plurality of second electrodes overlap to create a plurality of nodes; wherein each of the first plurality of gaps and each of the second plurality of gaps runs in a generally straight line from one side of the sensing area to an opposing side of the sensing area; wherein the first length of each of the plurality of first electrodes is approximately equal to the second length of each of the plurality of second electrodes; wherein the first width of each of the plurality of first electrodes is approximately equal to the second width of each of the plurality of second electrodes; wherein the first length of each of the first plurality of gaps is approximately equal to the second length of each of the second plurality of gaps; wherein the first width of each of the first plurality of gaps is approximately equal to the second width of each of the second plurality of gaps, wherein the plurality of first electrodes are formed from a piece of conductive mesh by creating a plurality of cuts in the piece of conductive mesh, each of the plurality of cuts in the piece of conductive mesh being one of the plurality of gaps. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A touch position-sensing panel comprising:
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a sensing area comprising; a substrate; a plurality of first electrodes in a first layer on a first side of the substrate, the plurality of first electrodes comprising a conductive mesh and arranged in a first direction, each of the plurality of first electrodes spanning the sensing area in the first direction; the first layer having a first plurality of gaps formed in the mesh, at least one of the plurality of first electrodes separated from an adjacent electrode of the plurality of first electrodes by a gap of the first plurality of gaps, the gap of the first plurality of gaps separating the at least one electrode of the plurality of first electrodes and the adjacent electrode of the plurality of first electrodes from one side of the sensing area to an opposing side of the sensing area; a plurality of second electrodes in a second layer on a second side of the substrate, the plurality of second electrodes comprising a conductive mesh and arranged in a second direction, each of the plurality of second electrodes spanning the sensing area in the second direction; the second layer having a second plurality of gaps formed in the mesh, at least one of the plurality of second electrodes separated from an adjacent electrode of the plurality of second electrodes by a gap of the second plurality of gaps, the gap of the second plurality of gaps separating the at least one electrode of the plurality of second electrodes and the adjacent electrode of the plurality of second electrodes from one side of the sensing area to an opposing side of the sensing area; wherein the plurality of first electrodes and the plurality of second electrodes overlap to create a plurality of nodes; wherein each of the first plurality of gaps and each of the second plurality of gaps runs in a generally straight line from one side of the sensing area to an opposing side of the sensing area and has a width greater than or equal to 5 micrometers and less than 20 micrometers, wherein the plurality of first electrodes are formed from a piece of conductive mesh by creating a plurality of cuts in the piece of conductive mesh, each of the plurality of cuts in the piece of conductive mesh being one of the first plurality of gaps. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15)
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Specification