# US 11,907,456 B2 · Touch substrate, display panel, and touch display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,907,456 B2 - Document ID: US11907456B2 - Status: Granted - Kind: B2 - Application number: 17/917,990 - Filed: 2021-02-22 - Published: 2023-05-11 - Granted: 2024-02-20 - Earliest claimed: 2020-04-10 - Assignees: Chengdu Boe Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd.; BOE Technology Group Co., Ltd. - Inventors: Meng Li; Chao Zeng; Weiyun Huang - Web page: https://patentgrep.com/patent/US11907456B2 ## CPC - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads} - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G06F 3/0448: {Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality} - G06F 2203/04102: Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper - G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices - G06F 2203/04111: Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate - G06F 2203/04112: Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract Provided are a touch substrate, a display panel, and a touch display device. The touch substrate, including: a base substrate; a conductive layer on the base substrate, the conductive layer being a single-layer structure, and the conductive layer including a plurality of touch electrodes and a plurality of leads electrically connected with the plurality of touch electrodes; where: a first grid-like structure is formed between adjacent leads, and a first disconnection line is arranged between the adjacent leads in the first grid-like structure; the touch electrodes have a second grid-like structure, and the second grid-like structure includes a plurality of breakpoints; and a connection line between the plurality of breakpoints has a substantially same shape as the first disconnection line. ## Claims ### Claim 1 A touch substrate, comprising: a base substrate; a conductive layer on the base substrate, the conductive layer being a single-layer structure, and the conductive layer comprising a plurality of touch electrodes and a plurality of leads electrically connected with the plurality of touch electrodes; wherein: a first grid-like structure is formed between adjacent leads, and a first disconnection line is arranged between the adjacent leads in the first grid-like structure; the touch electrodes have a second grid-like structure, and the second grid-like structure comprises a plurality of breakpoints; and a connection line between the plurality of breakpoints has a substantially same shape as the first disconnection line; wherein the first disconnection line between the adjacent leads in the first grid-like structure is a first fold line; the connection line between the breakpoints in the second grid-like structure is a second fold line; and the first fold line and the second fold line have a substantially same shape. ### Claim 2 (depends on 1) The touch substrate of claim 1, wherein the second grid-like structure has a plurality of second fold lines; and a touch electrode between two adjacent second fold lines has a substantially same pattern as a lead between two adjacent first fold lines. ### Claim 3 (depends on 2) The touch substrate of claim 2, wherein the second grid-like structure has a plurality of mesh cells, each column of mesh cells have at least one first mesh cell, and each of the at least one first mesh cell has at most one breakpoint; and all first mesh cells are electrically connected, and a connection line between breakpoints of each column of mesh cells is the second fold line. ### Claim 4 (depends on 1) The touch substrate of claim 1, wherein the conductive layer further comprises a plurality of dummy leads located at gaps between the leads; the dummy leads are insulated respectively from the touch electrodes and the leads; a third grid-like structure is formed between adjacent dummy leads, a second disconnection line is arranged between the adjacent dummy leads in the third grid-like structure; and the second disconnection line has a substantially same shape as the first disconnection line. ### Claim 5 (depends on 4) The touch substrate of claim 4, wherein the first disconnection line between the adjacent leads in the first grid-like structure is a first straight line; the second disconnection line between the adjacent dummy leads in the third grid-like structure is a third straight line; and an extension direction of the third straight line is substantially parallel to an extension of the first straight line. ### Claim 6 (depends on 4) The touch substrate of claim 4, wherein the first disconnection line between the adjacent leads in the first grid-like structure is a first fold line; the second disconnection line between the adjacent dummy leads in the third grid-like structure is a third fold line; and the third fold line and the first fold line have a substantially same shape. ### Claim 7 (depends on 1) The touch substrate of claim 1, wherein a shape of each touch electrode is a block electrode arranged independently; a plurality of sawtooth structures are arranged at an edge of each touch electrode; and adjacent touch electrodes are meshed with each other. ### Claim 8 (depends on 1) The touch substrate of claim 1, wherein a material of the conductive layer is metal. ### Claim 9 (depends on 1) A display panel, comprising the touch substrate of claim 1. ### Claim 10 (depends on 9) A touch display device, comprising the display panel of claim 9. ### Claim 11 A touch substrate, comprising: a base substrate; a conductive layer on the base substrate, the conductive layer being a single-layer structure, and the conductive layer comprising a plurality of touch electrodes and a plurality of leads electrically connected with the plurality of touch electrodes; wherein: a first grid-like structure is formed between adjacent leads, and a first disconnection line is arranged between the adjacent leads in the first grid-like structure; the touch electrodes have a second grid-like structure, and the second grid-like structure comprises a plurality of breakpoints; and a connection line between the plurality of breakpoints has a substantially same shape as the first disconnection line; wherein the first disconnection line between the adjacent leads in the first grid-like structure is a first straight line; the connection line between the breakpoints in the second grid-like structure is a second straight line; and an extension direction of the first straight line is substantially parallel to an extension direction of the second straight line. ### Claim 12 (depends on 11) The touch substrate of claim 11, wherein the second grid-like structure has a plurality of second straight lines; and a touch electrode between two adjacent second straight lines has a substantially same pattern as a lead between two adjacent first straight lines. ### Claim 13 (depends on 12) The touch substrate of claim 12, wherein the second grid-like structure has a plurality of mesh cells, each column of mesh cells have at least one first mesh cell, and each of at least one first mesh cell has at most one breakpoint; and all first mesh cells are electrically connected, and a connection line between breakpoints of each column of mesh cells is the second straight line. ### Claim 14 (depends on 11) The touch substrate of claim 11, wherein the conductive layer further comprises a plurality of dummy leads located at gaps between the leads; the dummy leads are insulated respectively from the touch electrodes and the leads; a third grid-like structure is formed between adjacent dummy leads, a second disconnection line is arranged between the adjacent dummy leads in the third grid-like structure; and the second disconnection line has a substantially same shape as the first disconnection line. ### Claim 15 (depends on 14) The touch substrate of claim 14, wherein the first disconnection line between the adjacent leads in the first grid-like structure is a first straight line; the second disconnection line between the adjacent dummy leads in the third grid-like structure is a third straight line; and an extension direction of the third straight line is substantially parallel to an extension of the first straight line. ### Claim 16 (depends on 14) The touch substrate of claim 14, wherein the first disconnection line between the adjacent leads in the first grid-like structure is a first fold line; the second disconnection line between the adjacent dummy leads in the third grid-like structure is a third fold line; and the third fold line and the first fold line have a substantially same shape. ### Claim 17 A touch substrate, comprising: a base substrate; a conductive layer on the base substrate, the conductive layer being a single-layer structure, and the conductive layer comprising a plurality of touch electrodes and a plurality of leads electrically connected with the plurality of touch electrodes; wherein: a first grid-like structure is formed between adjacent leads, and a first disconnection line is arranged between the adjacent leads in the first grid-like structure; the touch electrodes have a second grid-like structure, and the second grid-like structure comprises a plurality of breakpoints; and a connection line between the plurality of breakpoints has a substantially same shape as the first disconnection line; wherein the conductive layer further comprises a plurality of dummy leads located at gaps between the leads; the dummy leads are insulated respectively from the touch electrodes and the leads; a third grid-like structure is formed between adjacent dummy leads, a second disconnection line is arranged between the adjacent dummy leads in the third grid-like structure; and the second disconnection line has a substantially same shape as the first disconnection line. ### Claim 18 (depends on 17) The touch substrate of claim 17, wherein the first disconnection line between the adjacent leads in the first grid-like structure is a first straight line; the second disconnection line between the adjacent dummy leads in the third grid-like structure is a third straight line; and an extension direction of the third straight line is substantially parallel to an extension of the first straight line. ### Claim 19 (depends on 17) The touch substrate of claim 17, wherein the first disconnection line between the adjacent leads in the first grid-like structure is a first fold line; the second disconnection line between the adjacent dummy leads in the third grid-like structure is a third fold line; and the third fold line and the first fold line have a substantially same shape. ### Claim 20 (depends on 17) The touch substrate of claim 17, wherein a shape of each touch electrode is a block electrode arranged independently; a plurality of sawtooth structures are arranged at an edge of each touch electrode; and adjacent touch electrodes are meshed with each other.