Touch apparatus and driving method thereof

1. An apparatus for sensing a stylus, comprising:

a stylus sensor that is disposed on a display area of a display device that drives a plurality of pixels according to a vertical synchronization signal and a horizontal synchronization signal, and includes a plurality of first electrodes configured to sense a stylus input in a first direction when the stylus is on the stylus sensor and a plurality of second electrode configured to sense a stylus input in a second direction when the stylus is on the stylus sensor; and

a driver/receiver configured to apply a driving signal to at least one of the plurality of first electrodes and the plurality of second electrodes during a first section

in synchronizing with at least one synchronization signal of the horizontal synchronization signal and the vertical synchronization signal, and receive a detection signal from at least one of the plurality of first electrodes and the plurality of second electrodes during a second section after the first section in synchronizing with at least one synchronization signal of the horizontal synchronization signal and the vertical synchronization signal.

2. The apparatus for sensing a stylus of claim 1 , wherein the driver/receiver is further configured to:

simultaneously apply the driving signal to at least one of the plurality of first electrodes and at least one of the plurality of second electrodes during the first section, and

receive a detection signal from at least one of the plurality of first electrodes and at least one of the plurality of second electrodes during the second section.

3. The apparatus for sensing a stylus of claim 1 , wherein the driving signal is synchronized with pulses of the horizontal synchronization signal of a predetermined cycle.

4. The apparatus for sensing a stylus of claim 1 , wherein the driving signal is synchronized with a pulse of the vertical synchronization signal for each frame of a predetermined cycle.

5. The apparatus for sensing a stylus of claim 1 , wherein the driver/receiver is further configured to receive the detection signal at a section determined corresponding to at least one synchronization signal of the horizontal synchronization signal and the vertical synchronization signal.

6. The apparatus for sensing a stylus of claim 5 , wherein the section is a section other than a period during which a data signal is written into at least some of the plurality of pixels.

7. The touch apparatus for sensing a stylus of claim 5 , wherein the section is a period during which a scan signal applied to the plurality of pixels is a disable level.

8. The apparatus for sensing a stylus of claim 5 , wherein the section is a period during which a data signal is applied to at least one of a plurality of data lines connected to the plurality of pixels.

9. The apparatus for sensing a stylus of claim 8 , wherein the section is a period during which a scan signal applied to the plurality of pixels is a disable level.

10. The apparatus for sensing a stylus of claim 1 , wherein the driver/receiver is further configured to apply the driving signal at a section determined corresponding to at least one synchronization signal of the horizontal synchronization sign and the vertical synchronization signal.

11. The apparatus for sensing a stylus of claim 10 , wherein the section is a section other than a period during which a data signal is written into at least some of the plurality of pixels.

12. The apparatus for sensing a stylus of claim 10 , wherein the section is a period during which a data signal is applied to at least one of a plurality of data lines connected to the plurality of pixels.

13. The apparatus for sensing a stylus of claim 1 , wherein the detection signal is a signal of which a resonance signal of the driving signal is transmitted to at least one of the plurality of first electrodes and the plurality of second electrodes.

14. The apparatus for sensing a stylus of claim 1 , wherein a thin film encapsulation layer is disposed on the plurality of pixels, the plurality of electrodes are disposed on the thin film encapsulation layer, and the thin film encapsulation has a thickness of 4 μm to 10 μm.

15. A driving method of an apparatus for sensing a stylus, comprising:

receiving a horizontal synchronization signal and a vertical synchronization signal from a signal controller of a display device;

applying a driving signal to at least one of a plurality of first electrodes for sensing a touch input in a first direction and a plurality of second touch electrodes for sensing a touch input in a second direction that crosses the first direction of a touch panel during a first section

in synchronizing with at least one synchronization signal of the horizontal synchronization signal and the vertical synchronization signal;

receiving a detection signal from at least one of the plurality of first electrodes and the plurality of second electrodes during a second section after the first section in synchronizing with at least one synchronization signal of the horizontal synchronization signal and the vertical synchronization signal; and

generating touch information by using the detection signal.

16. The driving method of an apparatus for sensing a stylus of claim 15 , wherein the applying of the driving signal comprises simultaneously applying the driving signal to at least one of the plurality of first electrodes and at least one of the plurality of second electrodes during the first section, and

the receiving of the detection signal comprises receiving a detection signal from at least one of the plurality of first electrodes and at least one of the plurality of second electrodes during the second section.

17. The driving method of an apparatus for sensing a stylus of claim 15 , wherein the driving signal is synchronized with a pulse of the vertical synchronization signal for each frame of a predetermined cycle.

18. The driving method of an apparatus for sensing a stylus of claim 15 , wherein the detection signal is received in a section determined to correspond to at least one synchronization signal of the horizontal synchronization signal and the vertical synchronization signal.

19. The driving method of an apparatus for sensing a stylus of claim 15 , wherein the driving signal is applied in a section determined to correspond to at least one synchronization signal of the horizontal synchronization signal and the vertical synchronization signal.

20. A display device comprising:

a display panel including a display area where a plurality of pixels are located;

a data driver configured to apply a data signal to data lines connected to the plurality of pixels;

a scan driver configured to apply a scan signal to scan lines connected to the plurality of pixels;

a signal controller configured to control the data driver and the scan driver according to a vertical synchronization signal and a horizontal synchronization signal;

a touch sensor including an active area that overlaps the display area and where a plurality of first electrodes for sensing a touch input in a first direction and a plurality of second electrodes for sensing a touch input in a second direction that crosses the first direction are located; and

a touch controller configured to drive the touch sensor to apply the driving signal to at least one of the plurality of first electrodes and at least one of the plurality of second electrodes during a first section, in synchronizing with at least one synchronization signal of the vertical synchronization signal and the horizontal synchronization signal, and receive a detection signal from at least one of the plurality of first electrodes and the plurality of second electrodes during a second section after the first section

in synchronizing with at least one synchronization signal of the vertical synchronization signal and the horizontal synchronization signal.