Patent ID: 11921963
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 19:
20. A touch structure, comprising:
a touch region and a peripheral region surrounding the touch region, wherein the touch region comprises a first edge and a second edge opposite to each other, and a third edge and a fourth edge opposite to each other;
a first touch electrode and a second touch electrode, which are mutually crossed with and insulated from each other, and located in the touch region; and
a first touch trace and a second touch trace, located in the peripheral region,
wherein the first touch trace is electrically connected with the first touch electrode at the first edge and the second edge, respectively; the second touch trace is electrically connected with the second touch electrode at the third edge and the fourth edge, respectively,
wherein both the first touch trace and the second touch trace comprise two layers of conductive traces, the two layers of conductive traces of the first touch trace overlap and are electrically connected with each other, and the two layers of conductive traces of the second touch trace overlap and are electrically connected with each other,
wherein the touch structure further comprises an interlayer dielectric layer located between the two layers of conductive traces of the first touch trace and located between the two layers of conductive traces of the second touch trace, wherein the interlayer dielectric layer comprises a plurality of first via holes, the two layers of conductive traces of the first touch trace are electrically connected through the first via holes, and the two layers of conductive traces of the second touch trace are electrically connected through the first via holes,
wherein the first touch electrode and the second touch electrode comprise mesh patterns in a touch mesh layer and a bridge line in a bridge layer, and the bridge line is configured to electrically connect the mesh patterns of the first touch electrode or the mesh patterns of the second touch electrode at an intersection of the first touch electrode and the second touch electrode,
one of the two layers of conductive traces of the first touch trace is located in the bridge layer, and the other is located in the touch mesh layer; one of the two layers of conductive traces of the second touch trace is located in the bridge layer, and the other is located in the touch mesh layer.