Touch sensitive structure and touch sensitive processing apparatus, method and electronic sytsem

Abstract

A touch structure includes: a touch area for detecting an external conductive object; and a plurality of touch buttons outside the touch area, each touch button including a first touch electrode, a second touch electrode, and a third touch electrode separated from each other, the third touch electrode being located above a portion of the first touch electrode and a portion of the second touch electrode, the shape and position of the first touch electrode corresponding to the second touch electrode, wherein the first touch electrode of the plurality of touch buttons is connected to a first wire, the second touch electrode of the plurality of touch buttons is each connected to a plurality of second wires, and the third touch electrode of the plurality of touch buttons is not connected to any wire.

Claims

1. A touch structure comprising: a touch area for detecting an external conductive object; and a plurality of touch buttons outside the touch area, each touch button comprising a first touch electrode, a second touch electrode, and a third touch electrode separated from each other, the third touch electrode being located above a portion of the first touch electrode and a portion of the second touch electrode, the shape and position of the first touch electrode corresponding to the second touch electrode, wherein the first touch electrode of the plurality of touch buttons is connected to a first wire, the second touch electrode of the plurality of touch buttons is each connected to a plurality of second wires, and the third touch electrode of the plurality of touch buttons is not connected to any wire, wherein one of the plurality of touch buttons includes one of the following structures corresponding to the third touch electrode: a rim; a protrusion; and a recess.

2. The touch structure as claimed in claim 1, wherein the third touch electrode is located in the second electrode layer, the first touch electrode and the second touch electrode are located in the first electrode layer, and the second electrode layer is closer to the external object than the first electrode layer.

3. The touch structure as claimed in claim 1, wherein the third touch electrode is located on the upper surface of an electrode layer, the first touch electrode and the second touch electrode are located on the lower surface of the electrode layer, and the third touch electrode is closer to an external object than the first touch electrode and the second touch electrode.

4. A touch processing device for controlling a touch structure as described in claim 1 to avoid interference from liquid on a plurality of touch buttons, comprising: a connection network for connecting the first wire and the plurality of second wires respectively; a drive circuit module for emitting a drive signal through the connection network, the first wire, and the first touch electrodes of the plurality of touch buttons; a sensing circuit module for sensing the drive signal through the connection network, the plurality of second wires, and the second button electrodes of the plurality of touch buttons; and a processor module for executing instructions stored in non-volatile memory to: generate touch events corresponding to the plurality of touch buttons when a plurality of differences between a plurality of sensed values ​​sensed by the sensing circuit module and a reference value exceed a range; and report the touch events to a host when the number of the touch events is one.

5. The touch processing apparatus as claimed in claim 4, wherein the processor module is further configured to: when the number of the touch events is greater than one, determine whether the plurality of touch events are adjacent based on the configuration relationship of the plurality of touch buttons; and when the plurality of touch events are not adjacent to each other, report the plurality of touch events to the host.

6. The touch processing device as claimed in claim 4, wherein the connection network is further used to connect a plurality of parallel first electrodes and a plurality of parallel second electrodes in the touch area respectively, the plurality of first electrodes and the plurality of second electrodes intersecting each other but not in contact, and the processor module further utilizes the driving circuit module and the sensing circuit module to connect the connection network so as to detect external conductive objects in the touch area.

7. An electronic device comprising a touch structure, a touch processing device, and a host as described in any one of claims 4 to 6.

8. A touch processing method for controlling a touch structure as described in claim 1 to avoid interference from liquid on a plurality of touch buttons, comprising: emitting a drive signal through a first wire and a first touch electrode of the plurality of touch buttons; sensing the drive signal through a plurality of second wires and a second button electrode of the plurality of touch buttons; generating touch events corresponding to the plurality of touch buttons when a plurality of differences between the sensed plurality of sensed values ​​and a reference value exceed a range; and reporting the touch events to a host computer when the number of the touch events is one.

9. The touch processing method as described in claim 8 further includes: when the number of touch events is greater than one, determining whether the plurality of touch events are adjacent based on the configuration relationship of the plurality of touch buttons; and when the plurality of touch events are not adjacent to each other, reporting the plurality of touch events to the host.

10. The touch processing method as claimed in claim 8 further includes: using a plurality of parallel first electrodes and a plurality of parallel second electrodes in the touch area to detect an external conductive object in the touch area, wherein the plurality of first electrodes and the plurality of second electrodes intersect each other but do not contact each other.

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