Touch display panel with auxiliary structure for improving uniformity of wiring distribution and electronic terminal
View Patent ↗A touch display panel and an electronic terminal are disclosed in the present application, including a first conductive layer and a second conductive layer of different layers, and an insulation layer is arranged between the first conductive layer and the second conductive layer. The first conductive layer includes a plurality of touch electrodes arranged along a first direction and a second direction. The second conductive layer includes a first touch lead and a first auxiliary structure both overlapped with a first touch electrode in the plurality of touch electrodes. The first auxiliary structure is located on at least one side of the first touch lead.
1. A touch display panel, comprising:
a first conductive layer comprising a plurality of touch electrodes arranged along a first direction and a second direction, the first direction being different from the second direction, and the plurality of touch electrodes comprising a first touch electrode;
a second conductive layer arranged on one side of the first conductive layer; and
an insulation layer arranged between the first conductive layer and the second conductive layer;
wherein the second conductive layer comprises a first touch lead and a first auxiliary structure both overlapped with the first touch electrode, and the first auxiliary structure is located on at least one side of the first touch lead;
the first conductive layer further comprises a second touch electrode arranged along the first direction with the first touch electrode, and the first touch lead extends to overlap with and electrically connect to the second touch electrode;
the second conductive layer further comprises a second auxiliary structure overlapped with the second touch electrode, and the second auxiliary structure is located on at least one side of the first touch lead;
the second conductive layer further comprises a second touch lead overlapped with and electrically connected to the first touch electrode, and the second touch lead extends to overlap with the second touch electrode; and
an overlapping area of the second auxiliary structure and the second touch electrode is equal to an overlapping area of the first touch electrode and the first auxiliary structure.
2. The touch display panel as claimed in claim 1 , further comprising a touch chip located at one side of the first conductive layer;
the plurality of touch electrodes arranged along the first direction form a touch electrode set; and
the second conductive layer comprises a touch lead set and an auxiliary structure set both corresponding to the touch electrode set; the touch lead set comprises a plurality of touch leads corresponding to the plurality of touch electrodes in a one-to-one correspondence, and the auxiliary structure set comprises a plurality of auxiliary structures corresponding to the plurality of touch electrodes in a one-to-one correspondence; the touch electrodes are electrically connected to the touch chip through the corresponding touch leads, and the touch leads and corresponding ones of the auxiliary structures are overlapped in the corresponding touch electrodes; and
wherein the auxiliary structure set is located on one side of each of the touch leads in the touch lead set.
3. The touch display panel as claimed in claim 2 , wherein in the touch lead set, each of the touch leads extends from the corresponding touch electrode to overlap with a remaining plurality of touch electrodes in the touch electrode set, so as to electrically connect to the touch chip.
4. The touch display panel as claimed in claim 3 , wherein in the auxiliary structure set, areas of the plurality of auxiliary structures are equal.
5. The touch display panel as claimed in claim 3 , wherein the touch lead set is arranged opposite to a middle portion of the touch electrode set, and the touch electrode set comprises a third side and a fourth side both arranged opposite to the touch lead set; and
wherein in the auxiliary structure set, each of the auxiliary structures comprises a first sub auxiliary structure extending from the corresponding touch lead set to the the third side corresponding to the touch lead set and a second sub auxiliary structure extending from the corresponding touch lead set to the fourth side corresponding to the touch lead set.
6. The touch display panel as claimed in claim 5 , wherein the first sub auxiliary structure, the second sub auxiliary structure, and the touch leads are all electrically connected to the corresponding touch electrodes, so that the auxiliary structure is electrically connected to the corresponding touch leads.
7. The touch display panel as claimed in claim 1 , wherein both the first auxiliary structure and the second auxiliary structure are located on a same side of the first touch lead.
8. An electronic terminal, wherein the electronic terminal comprises the touch display panel as claimed in claim 1 .
9. A touch display panel, comprising:
a first conductive layer comprising a plurality of touch electrodes arranged along a first direction and a second direction, the first direction being different from the second direction, and the plurality of touch electrodes comprising a first touch electrode;
a second conductive layer arranged on one side of the first conductive layer; and
an insulation layer arranged between the first conductive layer and the second conductive layer;
wherein the second conductive layer comprises a first touch lead and a first auxiliary structure both overlapped with the first touch electrode, and the first auxiliary structure is located on at least one side of the first touch lead; the first conductive layer further comprises a second touch electrode arranged along the first direction with the first touch electrode, and the first touch lead extends to overlap with and electrically connect to the second touch electrode;
the second conductive layer further comprises a second auxiliary structure overlapped with the second touch electrode, and the second auxiliary structure is located on at least one side of the first touch lead; the second conductive layer further comprises a second touch lead overlapped with and electrically connected to the first touch electrode;
an overlapping area of the second auxiliary structure and the second touch electrode is greater than an overlapping area of the first touch electrode and the first auxiliary structure;
the touch display panel further comprising a touch chip located at one side of the first conductive layer;
the plurality of touch electrodes arranged along the first direction form a touch electrode set;
the second conductive layer comprises a touch lead set and an auxiliary structure set both corresponding to the touch electrode set; the touch lead set comprises a plurality of touch leads corresponding to the plurality of touch electrodes in a one-to-one correspondence, and the auxiliary structure set comprises a plurality of auxiliary structures corresponding to the plurality of touch electrodes in a one-to-one correspondence; the touch electrodes are electrically connected to the touch chip through the corresponding touch leads, and the touch leads and corresponding ones of the auxiliary structures are overlapped in the corresponding touch electrodes; and
the auxiliary structure set is located on one side of each of the touch leads in the touch lead set;
wherein the auxiliary structure is electrically connected to the corresponding touch leads through vias in the insulation layer.
10. The touch display panel as claimed in claim 9 , wherein in the touch lead set, in the plurality of touch leads other than a touch lead closest to the touch chip, each of the touch leads extends from a corresponding touch electrode to overlap with a plurality of touch electrodes closer to the touch chip than the corresponding touch electrode in the touch electrode set, so as to be electrically connected to the touch chip;
wherein the auxiliary structure corresponding to each of the touch leads is at least located on one side of the touch lead away from the touch chip.
11. The touch display panel as claimed in claim 10 , wherein in the auxiliary structure set, overlapping areas of the plurality of auxiliary structures in the one-to-one correspondence to the plurality of touch electrodes successively close the touch chip in the touch electrode set and corresponding ones of the touch electrodes decrease in sequence.
12. The touch display panel as claimed in claim 10 , wherein the touch lead set is arranged close to a first side of the touch electrode set;
wherein in the auxiliary structure set, each auxiliary structure extends from the corresponding touch lead to a second side away from the first side in the touch electrode set.
13. The touch display panel as claimed in claim 9 , wherein the plurality of touch leads in the touch lead set are arranged along the second direction; and
the auxiliary structure comprises a plurality of first sub auxiliary lines arranged along the second direction; and
wherein an interval between adjacent two first sub auxiliary lines is equal to an interval between adjacent two touch leads.