# US 10,768,753 B2 · Touch display panel, display device and touch panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,768,753 B2 - Document ID: US10768753B2 - Status: Granted - Kind: B2 - Application number: 15/750,643 - Filed: 2017-06-30 - Published: 2020-03-12 - Granted: 2020-09-08 - Earliest claimed: 2016-12-01 - Assignees: Boe Technology Group Co., Ltd.; Ordos Yuansheng Optoelectronics Co., Ltd. - Applicants: Boe Technology Group Co., Ltd.; Ordos Yuansheng Optoelectronics Co., Ltd. - Inventors: Jie Zhang - Web page: https://patentgrep.com/patent/US10768753B2 ## CPC - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0412: {Digitisers structurally integrated in a display} - 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, a display device and a touch panel are provided, the touch display panel includes a plurality of block touch electrodes spaced apart from each other and a conductive shielding layer, the shielding layer is insulated from the touch electrodes; and an orthographic projection of the shielding layer on the base substrate in the touch display panel is at least in a gap between orthographic projections of the touch electrodes on the base substrate. ## Claims ### Claim 1 A touch display panel, comprising: an array substrate and an opposite substrate, each including a base substrate; a plurality of block touch electrodes spaced apart from each other on the array substrate, or on the opposite substrate; and a conductive shielding layer insulated from the block touch electrodes, wherein the conductive shielding layer is at a side, away from the array substrate, of the opposite substrate, or at a side, away from the opposite substrate, of the array substrate and an orthographic projection of the conductive shielding layer on the base substrate is at least in a gap between orthographic projections of the block touch electrodes. ### Claim 2 (depends on 1) The touch display panel according to claim 1, wherein a material of the conductive shielding layer is a transparent conductive material. ### Claim 3 (depends on 1) The touch display panel according to claim 1, wherein a material of the conductive shielding layer is an opaque conductive material; and the touch display panel further comprises a black matrix, and the orthographic projection of the conductive shielding layer on the base substrate overlaps an orthographic projection of the black matrix on the base substrate. ### Claim 4 (depends on 1) The touch display panel according to claim 1, wherein an entirety of the orthographic projection of the conductive shielding layer on the base substrate is in the gap between the orthographic projections of the block touch electrodes on the base substrate. ### Claim 5 (depends on 1) The touch display panel according to claim 1, wherein an entirety of the orthographic projection of the conductive shielding layer on the base substrate is in the gap between the orthographic projections of the block touch electrodes on the base substrate; or the conductive shielding layer spreads to cover an entirety of a surface, away from the opposite substrate, of the array substrate, or cover an entirety of a surface, away from the array substrate, of the opposite array substrate. ### Claim 6 (depends on 1) The touch display panel according to claim 1, wherein the block touch electrodes are self-capacitance electrodes. ### Claim 7 (depends on 1) The touch display panel according to claim 1, wherein the orthographic projection of the conductive shielding layer on the base substrate partially overlaps the orthographic projections of the block touch electrodes on the base substrate. ### Claim 8 (depends on 7) The touch display panel according to claim 7, wherein a width of a region where the orthographic projection of the conductive shielding layer on the base substrate overlaps the orthographic projections of the block touch electrodes on the base substrate is smaller than 50 micrometers. ### Claim 9 A display device, comprising a touch display panel, and a circuit board; wherein the touch display panel comprises: an array substrate and an opposite substrate, each including a base substrate; a plurality of block touch electrodes spaced apart from each other on the array substrate, or on the opposite substrate; a conductive shielding layer insulated from the block touch electrodes; wherein the conductive shielding layer is at a side, away from the array substrate, of the opposite substrate, or at a side, away from the opposite substrate, of the array substrate; and an orthographic projection of the conductive shielding layer on the base substrate is at least in a gap between orthographic projections of the block touch electrodes; the conductive shielding layer is connected with a control circuit of the circuit board; and the control circuit is configured to: control the conductive shielding layer to be grounded during a display period; and apply a control signal to the conductive shielding layer during a touch period, to avoid an interference signal except a touch signal. ### Claim 10 (depends on 9) The display device according to claim 9, wherein in the touch period, the control signal applied by the control circuit to the conductive shielding layer is identical to the touch signal. ### Claim 11 A touch panel, comprising: an array substrate and an opposite substrate, each including a base substrate; a plurality of block touch electrodes spaced apart from each other on the array substrate, or on the opposite substrate, wherein the block touch electrodes are self-capacitance electrodes; and a conductive shielding layer on the base substrate, wherein the conductive shielding layer is insulated from the block touch electrodes, wherein the conductive shielding layer is at a side, away from the array substrate, of the opposite substrate, or at a side, away from the opposite substrate, of the array substrate, and an orthographic projection of the conductive shielding layer on the base substrate is at least in a gap between orthographic projections of the block touch electrodes. ### Claim 12 (depends on 2) The touch display panel according to claim 2, wherein the block touch electrodes are self-capacitance electrodes. ### Claim 13 (depends on 3) The touch display panel according to claim 3, wherein the block touch electrodes are self-capacitance electrodes. ### Claim 14 (depends on 4) The touch display panel according to claim 4, wherein the block touch electrodes are self-capacitance electrodes.