Display apparatus, proximity detection method, and detection device

1. A display apparatus comprising:

a first substrate that has a display region having an outer periphery having part where a recess is formed;

a plurality of first electrodes provided in the display region;

a plurality of second electrodes provided facing the first electrodes in the display region; and

a wiring line,

wherein at least one of the first electrodes has a shape formed along an outer periphery of the recess in the display region,

wherein at least one of the second electrodes includes a first partial electrode and a second partial electrode provided in a manner separated from the first partial electrode with the recess interposed therebetween,

wherein the wiring line extends along the outer periphery of the recess to couple the first partial electrode and the second partial electrode,

wherein the second electrodes include a first one of the second electrodes and a second one of the second electrodes arranged next to the first one of the second electrode in a first direction,

wherein the first one of the second electrodes includes the first partial electrode and the second partial electrode,

wherein the second one of the second electrodes extends in a second direction intersecting the first direction, and

wherein a length of the second one of the second electrode in a second direction is longer than a length of the first partial electrode in the second direction.

2. The display apparatus according to claim 1 ,

wherein the wiring line is provided outside the display region.

3. The display apparatus according to claim 1 ,

wherein each of the second electrodes are composed of a plurality of metal lines, and

wherein a width of the wiring line is greater than a width of each of the metal lines.

4. The display apparatus according to claim 1 ,

wherein a width of the first partial electrode in a first direction is greater than a width of the wiring line, and

wherein the first partial electrode extends in a second direction intersecting the first direction.

5. The display apparatus according to claim 1 ,

wherein the first electrodes extend in a first direction and are arrayed in a second direction intersecting the first direction,

wherein each of the second electrodes includes a coupling portion provided at one end or both ends in the second direction and detection portions coupled to the coupling portion and extending from the coupling portion in the second direction, and

wherein the second electrodes are arrayed in the first direction.

6. The display apparatus according to claim 1 ,

wherein a width of the second one of the second electrodes is greater than a width of the first partial electrode in the first direction.

7. The display apparatus according to claim 1 ,

wherein a first one of the first electrodes overlaps the second one of the second electrodes in a plane view and includes a part arranged along the wiring line.

8. The display apparatus according to claim 7 ,

wherein the second one of the second electrodes outputs a first signal based on a detection drive signal provided to the first one of the first electrodes, and

wherein the first one of the second electrodes outputs a second signal based on the detection drive signal provided to the first one of the first electrodes.

9. The display apparatus according to claim 7 ,

wherein the first one of the first electrodes outputs a first signal based on a detection drive signal provided to the second one of the second electrodes, and

wherein the first one of the first electrodes outputs a second signal based on the detection drive signal provided to the first one of the second electrodes.

10. The display apparatus according to claim 1 , further comprising:

a detector configured to detect a first signal output from the second one of the second electrodes and a second signal output from the first one of the second electrodes.

11. The display apparatus according to claim 10 ,

wherein the detector is configured to detect proximity to the second one of the second electrodes by a conductor based on the first signal, and

wherein the detector is configured to detect proximity to the wiring line coupled to the first one of the second electrodes by a conductor based on the second signal.

12. The display apparatus according to claim 11 ,

wherein the detector is configured to determine whether a conductor is in proximity to the second one of the second electrodes based on whether the first signal is greater than a first predetermined threshold, and

wherein the detector is configured to determine whether a conductor is in proximity to the wiring line coupled to the first one of the second electrodes based on whether the second signal is greater than a second predetermined threshold different from the first predetermined threshold.

13. The display apparatus according to claim 1 ,

wherein the at least one of the second electrode further includes a third partial electrode and a fourth partial electrode provided in a manner separated from the third partial electrode with the recess interposed therebetween, and

wherein the wiring line couples the first partial electrode, the second partial electrode, the third partial electrode, and the fourth partial electrode.

14. The display device according to claim 13 ,

wherein the first partial electrode is arranged next to the third partial electrode in a first direction, and

wherein a length of the third partial electrode is longer than a length of the first partial electrode in a second direction intersecting the first direction.

15. The display device according to claim 1 , further comprising:

a first partial wiring line;

a second partial wiring line; and

a coupling line extends along the outer periphery of the recess to couple the first partial wiring line and the second partial wiring line outside the display region.

16. The display device according to claim 15 ,

wherein the first partial electrode is arranged next to the first partial wiring line in a first direction, and

wherein a width of the first partial wiring line is greater than a width of the first partial electrode in the first direction.

17. The display device according to claim 15 ,

wherein the first partial wiring line is provided with a fixed voltage.

18. A proximity detection method for detecting proximity to a display apparatus having a display region having an outer periphery with a recess,

wherein the display apparatus includes a plurality of first electrodes provided in the display region, a plurality of second electrodes provided facing the first electrodes in the display region, and a wiring line,

wherein at least one of the first electrodes has a shape formed along the recess in the display region, at least one of the second electrodes includes a first partial electrode and a second partial electrode provided in a manner separated from the first partial electrode with the recess interposed therebetween, and the wiring line extends along the recess to couple the first partial electrode and the second partial electrode, and

wherein the method comprises:

detecting a proximity to the display region based on an electric field generated between the first electrodes and the second electrodes; and

detecting a proximity to the recess based on an electric field generated between the first electrodes and the wiring line.

19. A detection device comprising:

a first substrate that has an outer periphery having part where a recess is formed;

a plurality of first electrodes provided on the first substrate;

a plurality of second electrodes provided facing the first electrodes; and

a wiring line,

wherein at least one of the first electrodes has a shape formed along an outer periphery of the recess,

wherein at least one of the second electrodes includes a first partial electrode and a second partial electrode provided in a manner separated from the first partial electrode with the recess interposed therebetween,

wherein the wiring line extends along the outer periphery of the recess to couple the first partial electrode and the second partial electrode,

wherein the second electrodes include a first one of the second electrodes and a second one of the second electrodes arranged next to the first one of the second electrode in a first direction,

wherein the first one of the second electrodes includes the first partial electrode and the second partial electrode,

wherein the second one of the second electrodes extends in a second direction intersecting the first direction, and

wherein a length of the second one of the second electrode in a second direction is longer than a length of the first partial electrode in the second direction.