# US 11,907,481 B2 · Touch display panel, method for preparing the same, and display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,907,481 B2 - Document ID: US11907481B2 - Status: Granted - Kind: B2 - Application number: 17/827,185 - Filed: 2022-05-27 - Published: 2022-09-15 - Granted: 2024-02-20 - Earliest claimed: 2019-07-23 - Assignees: Boe Technology Group Co., Ltd. - Applicants: BOE Technology Group Co., Ltd. - Inventors: Qi Yao; Chuanxiang Xu - Web page: https://patentgrep.com/patent/US11907481B2 ## CPC - G06F 3/044: by capacitive means - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0412: {Digitisers structurally integrated in a display} - 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: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract The invention provides a touch display panel, a method for preparing the same, and a display device. The touch display panel includes a display module and a touch module that are arranged in a stack, the display module including two conductive layers, an intermediate insulation layer arranged between the two conductive layers and a planarization layer, and the touch module including at least two touch electrodes and a touch insulation layer between the at least two touch electrodes, in which the intermediate insulation layer, the touch insulation layer and the planarization layer are all made of an organic material. ## Claims ### Claim 1 A touch display panel, comprising a display module and a touch module that are arranged in a stack, wherein the display module comprises an active layer, a source-drain layer and an intermediate insulation layer arranged between the active layer and the source-drain layer, and the touch module comprises at least two touch electrodes and a touch insulation layer between the at least two touch electrodes; wherein a pixel unit in the display module comprises a red sub-pixel, a green sub-pixel, and a blue sub-pixel, and at least one of the red sub-pixel, the green sub-pixel and the blue sub-pixel are a polygon with N sides or circle, and the N is an odd integer greater than 4, wherein the display module comprises a planarization layer arranged on and is in direct contact with the source-drain layer, wherein the intermediate insulation layer, the touch insulation layer and the planarization layer are all made of an organic material, and a thickness of the planarization layer is equal or greater than 2.5 microns and less than 3 microns, wherein each pixel unit comprises one blue sub-pixel, one red sub-pixel, and two green sub-pixels that are arranged in sequence along a first direction, and two green sub-pixels are arranged along a second direction perpendicular to the first direction, wherein an area of one of the two green sub-pixels is less than an area of the blue sub-pixel, wherein the red sub-pixel, the green sub-pixels, and the blue sub-pixel of a first row and the red sub-pixel, the green sub-pixels, and the blue sub-pixel of a second row are arranged in an offset and ordered manner, and wherein the touch display panel further comprises a color filter, and the color filter is arranged on a side of the touch insulation layer away from the thin film encapsulation layer and reused as a circular polarizer. ### Claim 2 (depends on 1) The touch display panel of claim 1, wherein the organic material comprises at least one of silicone resin, acrylic resin, polyacrylic resin, and polyimide resin. ### Claim 3 (depends on 1) The touch display panel of claim 1, wherein a thickness of the intermediate insulation layer is in a range of 1 to 3 micrometers, and a thickness of the touch insulation layer is in a range of 1 to 3 micrometers. ### Claim 4 (depends on 1) The touch display panel of claim 1, wherein the touch display panel further comprises a thin film encapsulation layer, and the thin film encapsulation layer is arranged between the intermediate insulation layer and the touch insulation layer. ### Claim 5 (depends on 1) The touch display panel of claim 1, wherein the display module comprises an anode, and the planarization layer is arranged on a side of the anode away from the touch module for planarizing the anode. ### Claim 6 (depends on 1) A display device, comprising the touch display panel of claim 1. ### Claim 7 (depends on 6) The display device of claim 6, wherein the organic material comprises at least one of silicone resin, acrylic resin, polyacrylic resin, and polyimide resin. ### Claim 8 (depends on 6) The display device of claim 6, wherein a thickness of the intermediate insulation layer is in a range of 1 to 3 micrometers, and a thickness of the touch insulation layer is in a range of 1 to 3 micrometers. ### Claim 9 (depends on 6) The display device of claim 6, wherein the touch display panel further comprises a thin film encapsulation layer, and the thin film encapsulation layer is arranged between the intermediate insulation layer and the touch insulation layer. ### Claim 10 (depends on 6) The display device of claim 6, wherein the display module comprises an anode, and the planarization layer is arranged on a side of the anode away from the touch module for planarizing the anode. ### Claim 11 A method for preparing a touch display panel, comprising: forming a display module, the display module comprising an active layer, a source-drain layer and an intermediate insulation layer arranged between the active layer and the source-drain layer; and forming a touch module on the display module, the touch module comprising at least two touch electrodes and a touch insulation layer between the at least two touch electrodes; wherein a pixel unit in the display module comprises a red sub-pixel, a green sub-pixel, and a blue sub-pixel, and at least one of the red sub-pixel, the green sub-pixel and the blue sub-pixel are a polygon with N sides or circle, and the N is an odd integer greater than 4, wherein the display module comprises a planarization layer arranged on and is in direct contact with the source-drain layer, and a thickness of the planarization layer is equal or greater than 2.5 microns and less than 3 microns, wherein the intermediate insulation layer, the touch insulation layer and the planarization layer are all made of an organic material, wherein each pixel unit comprises one blue sub-pixel, one red sub-pixel, and two green sub-pixels that are arranged in sequence along a first direction, and two green sub-pixels are arranged along a second direction perpendicular to the first direction, wherein an area of one of the two green sub-pixels is less than an area of the blue sub-pixel, wherein the red sub-pixel, the green sub-pixels, and the blue sub-pixel of a first row and the red sub-pixel, the green sub-pixels, and the blue sub-pixel of a second row are arranged in an offset and ordered manner, and wherein the touch display panel further comprises a color filter, and the color filter is arranged on a side of the touch insulation layer away from the thin film encapsulation layer and reused as a circular polarizer. ### Claim 12 (depends on 11) The method of claim 11, wherein the method further comprises forming a thin film encapsulation layer for covering the display module before the forming the touch module on the display module; wherein the forming the touch module on the display module comprises forming the touch module on the thin film encapsulation layer; and wherein the method further comprises forming a color filter on the touch module after the forming the touch module on the display module. ### Claim 13 (depends on 11) The method of claim 11, wherein the organic material comprises at least one of silicone resin, acrylic resin, polyacrylic resin, and polyimide resin. ### Claim 14 (depends on 11) The method of claim 11, wherein a thickness of the intermediate insulation layer is in a range of 1 to 3 micrometers, and a thickness of the touch insulation layer is in a range of 1 to 3 micrometers. ### Claim 15 (depends on 11) The method of claim 11, wherein the touch display panel further comprises a thin film encapsulation layer, and the thin film encapsulation layer is arranged between the intermediate insulation layer and the touch insulation layer.