Patent ID: 11880536
Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A touch panel comprising a touch layer and a functional chip, wherein the touch layer comprises:
a plurality of first electrode groups extending in a first direction and arranged in a second direction;
a plurality of second electrode groups extending in the second direction and arranged in the first direction, wherein the plurality of first electrode groups and the plurality of second electrode groups are electrically connected to the functional chip; and
a plurality of third electrode groups, wherein the first electrode groups, the second electrode groups, and the third electrode groups are disposed insulated from each other,
wherein the plurality of third electrode groups are connected to each other and electrically connected to a third peripheral wire to be electrically connected to the functional chip, or the plurality of third electrode groups are disposed insulated from each other and each of the third electrode groups is connected to a corresponding first wire to be electrically connected to the functional chip;
wherein each of the second electrode groups comprises a second stem electrode group extending in the second direction and a plurality of second branch electrodes connected to both sides of the second stem electrode group, and second openings are defined in some or all of the second branch electrodes;
wherein the plurality of third electrode groups extend in the first direction and are arranged in the second direction, each of the third electrode groups comprises a plurality of first electrode blocks corresponding to a plurality of the second openings arranged in the first direction, each of the first electrode blocks is located in a corresponding second opening, and the plurality of first electrode blocks in a same third electrode group are electrically connected;
wherein the plurality of first electrode groups and the plurality of second electrode groups intersect to form a plurality of touch cells, the plurality of touch cells are arranged in the first direction and the second direction, each of the touch cells comprises a first electrode, a second electrode, and a third electrode, the first electrode is disposed around the second electrode.