Mutual capacitive touch panel
A mutual capacitive touch panel includes a first electrode layer and a second electrode layer. The first electrode layer includes a plurality of electrode groups and a plurality of electrode groups arranged in an array. The first electrode groups located at the same column are electrically connected to a form a first electrode series, and the second electrode groups located at the same column are electrically connected to form a second electrode series. The second electrode layer includes a plurality of electrode strip groups insulated from one another and sequentially arranged along a column direction of the array, wherein each of the electrode strip groups extends along a row direction of the array and overlaps, a perpendicular projection direction, electrode groups of two adjacent rows, and two adjacent of the electrode strip groups overlap, in the perpendicular projection direction, the electrode groups of the same row.
1. A mutual capacitive touch panel, for detecting a touch position of a touching object, comprising:
a first electrode layer, comprising a plurality of electrode groups arranged in an array, wherein the electrode groups comprise a plurality of first electrode groups and a plurality of second electrode groups, in each column of the array, the first electrode groups and the second electrode groups located in a same column are sequentially and alternatingly arranged, the first electrode groups located in the same column are electrically connected to form a first electrode series, and the second electrode groups located in the same column are electrically connected to form a second electrode series;
a second electrode layer, disposed on the first electrode layer, the second electrode layer comprising a plurality of electrode strip groups insulated from one another and sequentially arranged in a touch region along a column direction of the array, wherein each of the electrode strip groups extends along a row direction of the array and overlaps, in a perpendicular projection direction, the electrode groups of two adjacent rows, and two adjacent of the electrode strip groups overlap, in the perpendicular projection direction, the electrode groups of the same row; and
an insulation layer, provided between the first electrode layer and the second electrode layer;
wherein, in each column, a first side electrode is adjacent to each of a first-row electrode group and a second side electrode is adjacent to a last-row electrode group of the electrode groups and each of the electrode groups at least comprises two electrodes arranged along the column direction of the array, and two adjacent of the electrodes of each of the first electrode groups and two adjacent of the electrodes of each of the second electrode groups in each column are sequentially and alternatingly arranged along the column direction of the array.
2. The mutual capacitive touch panel according to claim 1 , wherein the two adjacent electrode strip groups respectively overlap, in the perpendicular projection direction, the electrodes of at least one of the electrode groups.
3. The mutual capacitive touch panel according to claim 2 , wherein the electrodes of each of the electrode groups are separated from one another, and each of the electrode groups further comprises an electrode connecting line segment connecting the electrodes of each of the electrode groups.
4. The mutual capacitive touch panel according to claim 2 , wherein the electrodes of each of the electrode groups are connected to each other.
5. The mutual capacitive touch panel according to claim 2 , wherein each of the electrode strip groups comprise a first electrode strip and a second electrode strip mutually electrically connected and extending along a row direction of the array, two adjacent first electrode strips respectively overlap, in the perpendicular projection direction, the electrodes of two adjacent rows of the first electrode groups of the same row, and two adjacent second electrode strips respectively overlap, in the perpendicular projection direction, the electrodes of two adjacent rows of the second electrode groups of the same row, wherein one row comprises one of the first electrode groups or one of the second electrode groups.
6. The mutual capacitive touch panel according to claim 5 , wherein each of the first electrode strips mutually capacitively couples with one corresponding of the overlapping electrodes to form a touch unit, and each of the second electrode strips mutually capacitively couples with one corresponding of the overlapping electrodes to form another touch unit.
7. The mutual capacitive touch panel according to claim 5 , wherein the first electrode strip and the second electrode strip of each of the electrode strip groups respectively overlap, in the perpendicular projection direction, the electrode groups of two adjacent rows.
8. The mutual capacitive touch panel according to claim 5 , wherein every two adjacent first electrode strips and every two adjacent second electrode strips are sequentially and alternatingly arranged in the column direction of the array.
9. The mutual capacitive touch panel according to claim 5 , further comprising:
a plurality of conductive lines, disposed in a border region, and respectively electrically connected to the first electrode strip and the second electrode strip.
10. The mutual capacitive touch panel according to claim 5 , wherein each of the first electrode strips and each of the second electrode strips respectively comprise a plurality of electrode portions, and each of the electrode portions overlaps one corresponding of the electrodes.
11. The mutual capacitive touch panel according to claim 10 , wherein each of the electrodes comprises an opening, and the openings substantially overlap the electrode portions.
12. The mutual capacitive touch panel according to claim 1 , wherein the first electrode layer further comprises a plurality of a first connecting line segments and a plurality of second connecting line segments, each of the first connecting line segments is connected between two adjacent first electrode groups of the same column, and each of the second connecting line segments is connected between two adjacent second electrode groups of the same column.
13. The mutual capacitive touch panel according to claim 1 , wherein the first electrode series and the second electrode series are respectively driving electrodes, and the electrode strip groups are respectively sensing electrodes.
14. The mutual capacitive touch panel according to claim 1 , wherein the first electrode series and the second electrode series are respectively sensing electrodes, and the electrode strip groups are respectively driving electrodes.
15. The mutual capacitive touch panel according to claim 1 , wherein the second electrode layer is closer to the touching object compared to the first conductive layer.
16. The mutual capacitive touch panel according to claim 1 , wherein the first electrode layer is closer to the touching object compared to the second electrode layer.