# US 12,001,630 B2 · Touch display panel and touch display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,001,630 B2 - Document ID: US12001630B2 - Status: Granted - Kind: B2 - Application number: 18/466,144 - Filed: 2023-09-13 - Published: 2023-12-28 - Granted: 2024-06-04 - Earliest claimed: 2021-12-13 - Assignees: Hefei Visionox Technology Co., Ltd. - Applicants: Hefei Visionox Technology Co., Ltd. - Inventors: Dandan Sun - Web page: https://patentgrep.com/patent/US12001630B2 ## CPC - G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - 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 2203/04107: Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A touch display panel and a touch display apparatus, including: a substrate; a shielding layer disposed on one side of the substrate and including a plurality of shielding units arranged in array; a touch function layer disposed on a side of the shielding layer facing away from the substrate and including a plurality of touch electrodes arranged in array; and a plurality of electrode wires in one-to-one correspondence to and electrically connected to the plurality of touch electrodes. The plurality of electrode wires include at least one first-type electrode wire including a first lead wire and a second lead wire electrically connected to the first lead wire. The first lead wire is in the same layer as the touch function layer. The second lead wire is in the same layer as the shielding layer and spaced apart and insulated from the shielding units. ## Claims ### Claim 1 A touch display panel, comprising: a substrate; a shielding layer disposed on a side of the substrate, the shielding layer comprising a plurality of shielding units arranged in array; a touch function layer disposed on a side of the shielding layer facing away from the substrate, the touch function layer comprising a plurality of touch electrodes arranged in array; and a plurality of electrode wires in one-to-one correspondence to and electrically connected to the plurality of touch electrodes; wherein the plurality of electrode wires comprise at least one first-type electrode wire comprising a first lead wire and a second lead wire electrically connected to the first lead wire, the first lead wire is in the same layer as the touch function layer, the second lead wire is in the same layer as the shielding layer, and the second lead wire is spaced apart and insulated from the shielding units. ### Claim 2 (depends on 1) The touch display panel according to claim 1, further comprising: an anode layer and a light-emitting layer group stacked on the side of the shielding layer facing away from the substrate, wherein the light-emitting layer group comprising a plurality of light-emitting units arranged in the same layer and spaced apart from each other, the plurality of light-emitting units are arranged in rows in a first direction and in columns in a second direction perpendicular to the first direction, and the anode layer comprising a plurality of anodes in one-to-one correspondence to and electrically connected to the plurality of light-emitting units. ### Claim 3 (depends on 2) The touch display panel according to claim 2, wherein the touch electrodes and the anodes are arranged in the same layer and spaced apart from each other. ### Claim 4 (depends on 3) The touch display panel according to claim 3, wherein each of the touch electrodes is disposed between two adjacent anodes in the first direction. ### Claim 5 (depends on 2) The touch display panel according to claim 2, wherein further comprising: a driving circuit layer arranged between the anode layer and the shielding layer. ### Claim 6 (depends on 1) The touch display panel according to claim 1, wherein the plurality of electrode wires further comprise at least one second-type electrode wire in the same layer as the touch function layer. ### Claim 7 (depends on 6) The touch display panel according to claim 6, wherein the second-type electrode wire comprises a third lead wire in the same layer as the touch function layer. ### Claim 8 (depends on 6) The touch display panel according to claim 6, wherein the plurality of electrode wires comprise a plurality of first-type electrode wires and a plurality of second-type electrode wires, and in one column of the touch electrodes, the touch electrodes electrically connected to the first-type electrode wires and the touch electrodes electrically connected to the second-type electrode wires are arranged alternately. ### Claim 9 (depends on 8) The touch display panel according to claim 8, wherein in two adjacent columns of the touch electrodes, the touch electrodes electrically connected to the first-type electrode wires and the touch electrodes electrically connected to the second-type electrode wires are arranged in a staggered manner. ### Claim 10 (depends on 1) The touch display panel according to claim 1, wherein the plurality of electrode wires are all first-type electrode wires. ### Claim 11 (depends on 1) The touch display panel according to claim 1, having a display area and a non-display area at least partially surrounding the display area; wherein the display area is provided with a contact hole extending in a direction perpendicular to the touch display panel, the first lead wire and the second lead wire are electrically connected through the contact hole. ### Claim 12 The touch display panel according to 11, wherein the first lead wire is disposed in both the display area and the non-display area, and the second lead wire is disposed only in the non-display area. ### Claim 13 The touch display panel according to 11, wherein a first end of the first lead wire extends to corresponding touch electrode in the display area, a first end of the second lead wire extends to a bonding area in the non-display area, and a second end of the first lead wire and a second end of the second lead wire are overlapped with each other in the non-display area or the display area in a direction perpendicular to the touch display panel. ### Claim 14 The touch display panel according to 11, wherein the electrode wire corresponding to the touch electrode proximal to the non-display area is the first-type electrode wire. ### Claim 15 The touch display panel according to 14, wherein the plurality of electrode wires further comprise at least one second-type electrode wire comprising a third lead wire in the same layer as the touch function layer, and the electrode wire corresponding to the touch electrode proximal to a center of the display area is the second-type electrode wire. ### Claim 16 (depends on 11) The touch display panel according to claim 11, further comprising: a bank structure arranged on the substrate and located in the non-display area; wherein the second lead wire passes through a side of the bank structure proximal to the substrate. ### Claim 17 (depends on 16) The touch display panel according to claim 16, wherein the non-display area comprises a bending area, and the electrode wires, after passing through the side of the bank structure proximal to the substrate, are transferred from the shielding layer to a wiring layer in the bending area and then transferred back to the shielding layer. ### Claim 18 (depends on 1) A touch display apparatus, comprising the touch display panel according to claim 1.