Touch panel, touch method of the same, and touch apparatus

1. A touch panel, comprising:

a touch layer comprising a plurality of touch areas;

a pre-touch detection module configured to detect, among the plurality of touch areas, a touch area opposite to a touch object, the touch object being at a distance from the touch layer, the distance being greater than 0; and

a pre-touch feedback module configured to generate a feedback signal based on the detected touch area,

wherein the feedback signals corresponding to the plurality of touch areas are different;

wherein the feedback signal comprises an optical signal; wherein the optical signals corresponding to the plurality of touch areas are light having different colors; and

wherein the pre-touch feedback module comprises a plurality of electroluminescent elements arranged at a side of the touch layer, the electroluminescent elements are in a one-to-one correspondence with the plurality of touch areas, an orthographic projection of each of the plurality of electroluminescent elements on the touch layer is within a corresponding one of the plurality of touch areas, and the plurality of electroluminescent elements emit light having different colors.

2. The touch panel of claim 1 , wherein the plurality of touch areas and the plurality of electroluminescent elements are provided in only a part of the touch panel.

3. The touch panel of claim 2 , wherein a number of the plurality of touch areas is four.

4. The touch panel of claim 1 , wherein the plurality of touch areas and the plurality of electroluminescent elements are provided throughout an entire of the touch panel.

5. The touch panel of claim 1 , wherein each of the plurality of touch areas has at least one self-capacitive electrode, each of the at least one self-capacitive electrode is electrically coupled with the pre-touch detection module, and

the pre-touch detection module is configured to detect the touch area opposite to the touch object based on a change in capacitance of each self-capacitive electrode.

6. The touch panel of claim 5 , wherein the pre-touch detection module comprises:

a detection sub-module configured to detect the touch object; and

a determination sub-module configured to determine, among the plurality of touch areas, a touch area to be touched by the touch object as the touch area opposite to the touch object, based on the change in capacitance of each self-capacitive electrode.

7. The touch panel of claim 1 , further comprising a display panel, wherein

the touch layer is arranged at a light exiting side of the display panel, and the plurality of electroluminescent elements are arranged between the display panel and the touch layer.

8. The touch panel of claim 7 , wherein the display panel is configured to have a plurality of display areas, the plurality of display areas are in a one-to-one correspondence with the plurality of touch areas and display respective contents after a system is initiated.

9. The touch panel of claim 1 , wherein the plurality of touch areas are arranged in rows and columns.

10. The touch panel of claim 1 , wherein among the plurality of touch areas, one touch area is arranged at a centre of the touch layer while the remaining touch areas are arranged to surround the one touch area.

11. The touch panel of claim 1 , wherein the pre-touch detection module comprises:

a detection sub-module configured to detect the touch object; and

a determination sub-module configured to determine, among the plurality of touch areas, a touch area to be touched by the touch object as the touch area opposite to the touch object.

12. A touch method of a touch panel, the touch panel comprising a touch layer having a plurality of touch areas, a pre-touch detection module and a pre-touch feedback module, the method comprising:

detecting, by using the pre-touch detection module, a touch area of the plurality of touch areas opposite to a touch object when the touch object is at a distance from the touch layer, the distance being greater than 0; and

controlling the pre-touch feedback module to generate a feedback signal based on the detected touch area,

wherein the feedback signals corresponding to the plurality of touch areas are different;

wherein the pre-touch feedback module comprises a plurality of electroluminescent elements arranged at a side of the touch layer, the electroluminescent elements are in a one-to-one correspondence with the plurality of touch areas, an orthographic projection of each of the plurality of electroluminescent elements on the touch layer is within a corresponding one of the plurality of touch areas, the plurality of electroluminescent elements emit light having different colors, and

the controlling the pre-touch feedback module to generate a feedback signal based on the detected touch area comprises controlling one of the plurality of electroluminescent elements corresponding to the detected touch area to emit light.

13. The touch method of claim 12 , wherein each of the plurality of touch areas has at least one self-capacitive electrode, each of the at least one self-capacitive electrode being electrically coupled with the pre-touch detection module, and

the detecting, by using the pre-touch detection module, a touch area of the plurality of touch areas opposite to a touch object comprises:

detecting whether or not a sum of changes in capacitance of the at least one self-capacitive electrode comprised in each touch area is within a predetermined variation range; and

determining one touch area as the touch area opposite to the touch object when only the sum of changes in capacitance corresponding to the one touch area is within the predetermined variation range; and determining one touch area corresponding to a maximum sum of changes in capacitance as the touch area opposite to the touch object when sums of changes in capacitance corresponding to a plurality of touch areas are respectively within the predetermined variation range.

14. A touch apparatus, comprising a touch panel,

wherein the touch panel comprises:

a touch layer comprising a plurality of touch areas;

a pre-touch detection module configured to detect, among the plurality of touch areas, a touch area opposite to a touch object, the touch object being at a distance from the touch layer, the distance being greater than 0; and

a pre-touch feedback module configured to generate a feedback signal based on the detected touch area,

wherein the feedback signals corresponding to the plurality of touch areas are different;

wherein the feedback signal comprises an optical signal; and the optical signals corresponding to the plurality of touch areas are light having different colors; and

wherein the pre-touch feedback module comprises a plurality of electroluminescent elements arranged at a side of the touch layer, the electroluminescent elements are in a one-to-one correspondence with the plurality of touch areas, an orthographic projection of each of the plurality of electroluminescent elements on the touch layer is within a corresponding one of the plurality of touch areas, and the plurality of electroluminescent elements emit light having different colors.