Em processamento

Aguarde...

Configurações

Configurações

1. US20180217694 - Array substrate having an embedded touch structure and display panel

Nota: O texto foi obtido por processos automáticos de reconhecimento ótico de caracteres.
Para fins jurídicos, favor utilizar a versão PDF.

Claims

1. An array substrate having an embedded touch structure, comprising a common electrode layer and a touch wiring layer, wherein the common electrode layer is divided into multiple first electrodes and multiple second electrodes extending along directions perpendicular to each other and are isolated from each other; the touch wiring layer is disposed with multiple first electrode connecting lines and multiple second electrode connecting lines; and the array substrate comprises an effective display area and a first layout area, a second layout area, a third layout area and a fourth layout area surrounded outside the effective display area, wherein the first layout area has a driving integrated chip; the multiple first electrode connecting lines are extended from the first layout area to an area adjacent to the second layout area and the fourth layout area and connect the multiple first electrodes to the driving integrated chip one by one; the multiple second electrode connecting lines are extended from the first layout area, across the effective display area and toward the corresponding third layout area and connect the multiple second electrodes to the driving integrated chip one by one; and the multiple first electrodes and the multiple second electrodes time-sharing transmit a common voltage signal and a touch signal; wherein
a common voltage signal line and a first switching signal line are disposed in the second layout area, the third layout area and the fourth layout area, wherein in the second layout area and the fourth layout area, each of the first electrode connecting lines is connected to the common voltage signal line through a first switch; and in the third layout area, each of the second electrode connecting lines is connected to the common voltage signal line through a second switch;
in a display sequence, the first switching signal line controls the first switch and the second switch to turn on to respectively connect the first electrode connecting line and the second electrode connecting line to the common voltage signal line; and
in a touch sequence, the first switching signal line controls the first switch and the second switch to turn off to disconnect the first electrode connecting line and the second electrode connecting line and the common voltage signal line;
wherein the array substrate further comprises a data wiring layer having multiple parallel-arranged data lines; an extending direction of the second electrode is the same as that of the data line; and each of the second electrodes covers across the at least one data line; wherein
the third layout area at least comprises a second switching signal line and multiple third switches; each of the data line is connected to the second electrode connecting line corresponding to the second electrode covering the data line through one of the third switches;
in the touch sequence, the second switching signal line controls the third switch to turn on to connect the data line to the second electrode connecting line; and
in the display sequence, the second switching signal line controls the third switch to turn off to disconnect the data line and the second electrode connecting line.
2. The array substrate having the embedded touch structure according to claim 1, wherein the first switch and the second switch are thin film transistors, a gate of the first switch and a gate of the second switch are respectively connected to the first switching signal line, a source of the first switch and a source of the second switch are respectively connected to the common voltage signal line, a drain of the first switch is connected to the first electrode connecting line and a drain of the second switch is connected to the second electrode connecting line.
3. The array substrate having the embedded touch structure according to claim 1, wherein each of the first electrodes is elongated to a strip shape in the effective area and each of the second electrodes comprises multiple second sub-electrodes, wherein the second electrode connecting line corresponding to each of the second electrode sequentially connect the second sub-electrodes to each other.
4. The array substrate having the embedded touch structure according to claim 1, wherein the touch wiring layer is located above the data wiring layer relatively; an isolation layer is disposed between the touch wiring layer and the common electrode layer; and the first electrode connecting line and second electrode connecting line are respectively connected to the corresponding first electrode and corresponding second electrode through vias formed in the isolation layer.
5. The array substrate having the embedded touch structure according to claim 1, wherein the second switching signal line and the multiple third switches are further disposed in the first layout area; and in the first layout area, each of the data lines is connected to the second electrode connecting line corresponding to the second electrode covering the data line through one of the third switches.
6. The array substrate having the embedded touch structure according to claim 5, wherein in the first layout area, each of the first electrode connecting lines is connected to one of the data lines through one of the third switches.
7. The array substrate having the embedded touch structure according to claim 6, wherein the third switch is a thin film transistor; a gate of the third switch is connected to the second switching signal line; a source is connected to the data line; and a drain is connected to the corresponding first electrode connecting line or the corresponding second electrode connecting line.
8. The array substrate having the embedded touch structure according to claim 1, wherein the data wiring layer is located below the common electrode layer relatively and an isolation layer is disposed between the data wiring layer and the common electrode layer.
9. A display panel, comprising two oppositely-disposed array substrate and color film substrate and a liquid crystal layer filled between the array substrate and the color film substrate, wherein the array substrate is an array substrate having an embedded touch structure and the array substrate having the embedded touch structure comprises a common electrode layer and a touch wiring layer, wherein the common electrode layer is divided into multiple first electrodes and multiple second electrodes extending along directions perpendicular to each other and are isolated from each other; the touch wiring layer is disposed with multiple first electrode connecting lines and multiple second electrode connecting lines; and the array substrate comprises an effective display area and a first layout area, a second layout area, a third layout area and a fourth layout area surrounded outside the effective display area, wherein the first layout area has a driving integrated chip; the multiple first electrode connecting lines are extended from the first layout area to an area adjacent to the second layout area and the fourth layout area and connect the multiple first electrodes to the driving integrated chip one by one; the multiple second electrode connecting lines are extended from the first layout area, across the effective display area and toward the corresponding third layout area and connect the multiple second electrodes to the driving integrated chip one by one; and the multiple first electrodes and the multiple second electrodes time-sharing transmit a common voltage signal and a touch signal; wherein
a common voltage signal line and a first switching signal line are disposed in the second layout area, the third layout area and the fourth layout area, wherein in the second layout area and the fourth layout area, each of the first electrode connecting lines is connected to the common voltage signal line through a first switch; and in the third layout area, each of the second electrode connecting lines is connected to the common voltage signal line through a second switch;
in a display sequence, the first switching signal line controls the first switch and the second switch to turn on to respectively connect the first electrode connecting line and the second electrode connecting line to the common voltage signal line; and
in a touch sequence, the first switching signal line controls the first switch and the second switch to turn off to disconnect the first electrode connecting line and the second electrode connecting line and the common voltage signal line;
wherein the array substrate further comprises a data wiring layer having multiple parallel-arranged data lines; an extending direction of the second electrode is the same as that of the data line; and each of the second electrodes covers across the at least one data line; wherein
the third layout area at least comprises a second switching signal line and multiple third switches; each of the data line is connected to the second electrode connecting line corresponding to the second electrode covering the data line through one of the third switches;
in the touch sequence, the second switching signal line controls the third switch to turn on to connect the data line to the second electrode connecting line; and
in the display sequence, the second switching signal line controls the third switch to turn off to disconnect the data line and the second electrode connecting line.
10. The display panel according to claim 9, wherein the first switch and the second switch are thin film transistors, a gate of the first switch and a gate of the second switch are respectively connected to the first switching signal line, a source of the first switch and a source of the second switch are respectively connected to the common voltage signal line, a drain of the first switch is connected to the first electrode connecting line and a drain of the second switch is connected to the second electrode connecting line.
11. The display panel according to claim 9, wherein each of the first electrodes is elongated to a strip shape in the effective area and each of the second electrodes comprises multiple second sub-electrodes, wherein the second electrode connecting line corresponding to each of the second electrode sequentially connect the second sub-electrodes to each other.
12. The display panel according to claim 9, wherein the touch wiring layer is located above the data wiring layer relatively; an isolation layer is disposed between the touch wiring layer and the common electrode layer; and the first electrode connecting line and the second electrode connecting line are respectively connected to the corresponding first electrode and the corresponding second electrode through vias formed in the isolation layer.
13. The display panel according to claim 9, wherein the second switching signal line and the multiple third switches are further disposed in the first layout area; and in the first layout area, each of the data lines is connected to the second electrode connecting line corresponding to the second electrode covering the data line through one of the third switches.
14. The display panel according to claim 13, wherein in the first layout area, each of the first electrode connecting lines is connected to one of the data lines through one of the third switches.
15. The display panel according to claim 14, wherein the third switch is a thin film transistor; a gate of the third switch is connected to the second switching signal line; a source is connected to the data line; and a drain is connected to the corresponding first electrode connecting line or the corresponding second electrode connecting line.
16. The display panel according to claim 9, wherein the data wiring layer is located below the common electrode layer relatively and an isolation layer is disposed between the data wiring layer and the common electrode layer.