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1. (WO2019032351) SENSOR ELECTRODE PATTERNS FOR INPUT DEVICES
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WHAT IS CLAIMED IS:

1. A sensing device comprising:

a plurality of sensor electrodes arranged within an array of rows and columns, the array defining an area having a top edge, a first side edge connected with the top edge, and a second side edge connected with the top edge;

a first plurality of vias arranged in a first direction, the first plurality of vias corresponding to a first column of the plurality of sensor electrodes adjacent to the first side edge;

a second plurality of vias arranged in a second direction different than the first direction, the second plurality of vias corresponding to a second column of the plurality of sensor electrodes adjacent to the second side edge; and

a plurality of routing traces, each of the plurality of sensor electrodes configured to be coupled to a respective one of the plurality of routing traces through a respective one of the first plurality of vias and the second plurality of vias,

wherein in a first row of the plurality of sensor electrodes, a first via of the first plurality of vias is a first distance from the first side edge, and a first via of the second plurality of vias is a second distance from the second side edge,

wherein in a second row of the plurality of sensor electrodes, a second via of the first plurality of vias is a third distance from the first side edge, and a second via of the second plurality of vias is a fourth distance from the second side edge,

wherein the first distance is greater than the third distance, the second distance is greater than the fourth distance.

2. The sensing device of claim 1, wherein a first sensor electrode of the first row of the plurality of sensor electrodes has a shape corresponding to a first curved corner feature and a second sensor electrode of the first pluralit of sensor electrodes has a shape corresponding to a second curved corner feature, and wherein the first via of the first plurality of vias is disposed within the first sensor electrode and the first via of the second pluralit of vias is disposed within the second sensor electrode.

3. The sensing device of claim 2, wherein the shape and a top surface area o the first sensor electrode of the first row of the sensor electrodes and the shape and

a top surface area of the second sensor electrode of the first row of the sensor electrodes differs from a shape and top surface area of a first sensor electrode of the second row of the sensor electrodes.

4. The sensing device of ciaim 3, wherein the top surface area of the first sensor electrode of the first row of the sensor electrodes and fhe top surface area of the first row of sensor electrodes is less than the top surface area of the first sensor electrode of the second row of the sensor electrodes,

5. The sensing device of ciaim 1 , 2, 3, or 4, wherein a third column adjacent to the first column corresponds to a third plurality of vias arranged in the second direction, and

wherein a fourth column adjacent to the second colum corresponds to a fourth plurality of vias arranged in the first direction.

8, The sensing device of ciaim 5S wherein in the first row of the plurality of sensor electrodes, a distance between the first via of th first pluraiity of vias and a first via of the third plurality of vias is less than a distance between the first via of the second plurality of vias and the first via of the third plurality of vias, a distance between the first via of the second plurality of vias and a first via of the fourth plurality of vias is less than a distance between the first via of the first plurality of vias and the first via of the fourth plurality of vias.

7. The sensing device of claim 1 , 2, 3,. or 4, wherein the area comprises an opening proximate to the top edge,

wherein a third column, adjacent to the opening on a first side, corresponds to a third plurality of vias arranged in the second direction, and

wherein a fourth column, adjacent to the opening on a second side, corresponds to a fourth pluraiit of vias arranged in the first direction.

8. The sensing device of claim 1, 2, 3, or 4, wherein the first plurality of vias and the second pluraiity of vias are symmet icai about a center line of the plurality of sensor electrodes.

9. The sensing device of claim 1 , 2, 3, or 4 further comprising a processing system configured to:

operate the sensor eiectrodes of the first column according to a first scan pattern corresponding to the first direction and the sensor electrodes of the second column according to a second scan pattern corresponding to the second direction,

i 0, The sensing device of claim 9, wherein the processing system comprises: a plurality of analog front-ends; and

a sensor module comprising a plurality of multiplexers, each multiplexer of the plurality of multiplexers configured to selectively couple respective sensor electrodes of the plurality of sensor electrodes to a respective analog front-end of the plurality of analog front-ends,

1 1. The sensing device of claim 10, wherein the sensor module further comprises: row control circuitry corresponding to a group of multiplexers of the plurality of multiplexers, the row control circuitry configured to:

receive a plurality of row control signals corresponding to a plurality of the rows; and

output the plurality of row control signals with an ordering selected based on a direction control signal.

12. The sensing device of claim 1 , 2, 3, or 4, wherein a first sensor electrode of the plurality of sensor elecirodes is arranged in the first row of the plurality of sensor electrodes and in the first column of the plurality of columns, and a second sensor electrode of the plurality of sensor electrodes is arranged in the second row of the plurality of sensor electrodes and in a third column of the plurality of sensor electrodes, wherein the third column of the plurality of sensor eiectrodes is between the first column of the plurality of senso eiectrodes and the second column of the plurality of sensor eiectrodes, and wherein the first sensor electrode comprises: a top surface area that is smaller than a top surface area of th second sensor eiectrode; and

a center-of-mass relative to the top surface area of the first sensor electrode that is different than a center~of~mass of the second sensor eiectmde relative to the top surface area of the second sensor electrode.

13. A processing system comprising;

a sensor module configured to be coupled with a plurality of sensor electrodes arranged within an array of rows and columns, the array defining an area having a top edge, a first side edge connected with the top edge, and a second side edge connected with the top edge,

wherein each of the plurality of sensor electrodes disposed in a first column of the columns adjacent to the first side edge is coupled to a respective routing trace through a respective one of a first plurality of vias arranged in a first direction,

wherein each of the plurality of sensor electrodes disposed in a second column of the columns adjacent to the second side edge is coupled to a respective routing trace through a respective one of a second plurality of vias arranged in a second direction different than the first direction,

wherein in a first row of the rows, a first via of the first plurality of vias is a first distance from the first side edge, and a first via of the second plurality of vias is a second distance from the second side edge,

wherein in a second row of the rows, a second via of the first plurality of vias is a third distance from the first side edge, and a second via of the second plurality of vias is a fourth distance from the second side edge,

wherein the first distance is greater than the third distance, the second distance is greater than the fourth distance,, and

wherein the sensor module is further configured to acquire resulting signals by driving the plurality of sensor electrodes with sensing signals.

14, The processing system of claim 13, wherein the sensor module comprises; a plurality of analog front-ends; and

a plurality of multiplexers, each multiplexer of the plurality of multiplexers configured to selectively couple respective sensor electrodes of the plurality of sensor electrodes to one of the plurality of analog front-ends.

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15. The processing system of claim 14, wherein the sensor module further comprises:

row control circuitry corresponding to a group of multiplexers of the plurality of multiplexers, the row control circuitry configured to:

receive a plurality of row control signals corresponding to a plurality of the rows; and

output the plurality of row control signals with an ordering selected based on a direction control signal,

wherein the group of multiplexers is controlled based at least partly on the plurality of row control signals,

16. The processing system of claim 14 or 15, wherein each of the plurality of multiplexers Is coupled to a. different one of the plurality of analog front-ends,

17. The processing system of claim 14 or 15, wherein at least two of the plurality of multiplexers are coupled to a first one of the plurality of analog front ends.

18. The processing system of claim 13, 14, or 15, wherein th sensor module is further configured to drive the sensor electrodes of the first coiumn according to a first scan pattern corresponding to the first direction and the sensor eiectrodes of the second coiumn according to a second scan pattern corresponding to the second direction.

19. A method for operating a sensing device, the method comprising:

driving one or more of a plurality of sensor electrodes to acquire resulting signals from a plurality of sensor electrodes; and

determining positional information for an input object based at least in part on the resulting signals, wherein the plurality of sensor electrodes are arranged within an array of rows and columns, the array defining an area having a top edge, a first side edge connected with the top edge, and a second side edge connected with the top edge,

wherein each of the plurality of sensor eiectrodes disposed in a first column of the columns adjacent to the first side edge is coupled to a respective routing trace through a respective one of a first plurality of vias arranged in a first direction, wherein each of the plurality of sensor electrodes disposed in a second column of the columns adjacent to the second side edge is coupled to a respective routing trace through a respective one of a second plurality of vias arranged in a second direction different than the first direction,

wherein in a first row of the rows, a first via of the first plurality of vias is a first distance from the first side edge, and a first via of the second plurality of vias is a second distanc from the second side edge,

wherein in a second row of the rows, a second via of the first plurality of vias is a third distance from the first side edge, and a second via of the second plurality of vias is a fourth distance from the second side edge, and

wherein the first distance is greater than the third distance, the second distance is greater than the fourth distance.

20, The method of claim 19, further comprising:

applying a firs row control signal and a second row control signal to a first multiplexer to selectively coupling a first sensor electrode of the first row of the plurality of sensor electrodes and a second sensor electrode of the second row of the plurality of sensor electrodes with a first analog front end (AFE) via a first multiplexer,

21. The method of claim 20 further comprising altering an ordering of the first row control signal and the second row control signal based on a direction control signal, wherein the direction control signal corresponds to the first direction and the second direction.