Patent ID: 11914826
Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A touch display panel, comprising a plurality of touch units, the touch units comprising:
a plurality of first electrode sets, wherein the first electrode sets are arranged along a first direction and extending along a second direction, each of the first electrode sets comprises a plurality of first electrodes electrically connected to one another, the first electrodes extend along the first direction and the second direction, and the first electrode sets are formed in a grid pattern comprising a plurality of rectangular hollow regions arranged in an array;
a plurality of second electrode sets, wherein the second electrode sets are arranged along the second direction and extend along the first direction, each of the second electrode sets comprises a plurality of second electrodes electrically connected to one another, the second electrodes extend along the first direction and the second direction, the second electrodes are disposed insulatively from the first electrodes, the second electrode sets are disposed in the rectangular hollow regions of the grid respectively, and each of the second electrode sets is formed as a rectangular loop; and
dummy electrodes, wherein the dummy electrodes are disposed insulatively from the first electrodes and the second electrodes;
wherein the first electrode sets and the second electrode sets surround and form a plurality of rectangular dummy electrode regions corresponding to the rectangular hollow regions, and the dummy electrodes are disposed in the rectangular dummy electrode regions.