# US 2021/0278918 A9 · Touch substrate, display panel 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 2021/0278918 A9 - Document ID: US20210278918A9 - Status: Published application - Kind: A9 - Application number: 15/779,699 - Filed: 2017-07-28 - Published: 2021-09-09 - Earliest claimed: 2016-08-11 - Assignees: Boe Technology Group Co., Ltd.; Hefei Xinsheng Optoelectronics Technology Co., Ltd. - Applicants: Boe Technology Group Co., Ltd.; Hefei Xinsheng Optoelectronics Technology Co., Ltd. - Inventors: Qingpu WANG; Lei ZHANG; Tsung Chieh KUO; Wei ZHANG; Bisheng LI; Baoran LI; Qin ZENG - Web page: https://patentgrep.com/patent/US20210278918A9 ## CPC - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer} - G06F 3/0448: {Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality} - G06F 2203/04112: 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 The present disclosure relates to a touch substrate, a display panel, and a display device. The touch substrate includes a substrate and an electrode layer disposed on the substrate. The electrode layer includes at least two electrodes. Each electrode includes at least one sub-electrode. The sub-electrode includes an electrode unit array having at least two columns of electrode units, wherein any two columns in the electrode unit array do not intersect, each column in the electrode unit array includes at least two electrode units connected in series, and the any two adjacent columns in the electrode unit array are connected in parallel by a connection component. ## Claims ### Claim 1 A touch substrate comprising: a substrate; an electrode layer on the substrate, wherein the electrode layer comprises at least two electrodes, and wherein each of the electrodes comprises at least one sub-electrode having an electrode unit array, the electrode unit array comprising at least two columns of electrode units, wherein any two columns in the electrode unit array do not intersect with each other, each column in the electrode unit array comprises at least two electrode units connected in series, and any two adjacent columns in the electrode unit array are connected in parallel through a connection component. ### Claim 2 (depends on 1) The touch substrate according to claim 1, wherein the electrode units of each column in the electrode unit array form a curved shape. ### Claim 3 (depends on 2) The touch substrate according to claim 2, wherein the curved shape comprises one of a curved shape formed by straight lines and a curved shape formed by a curved line. ### Claim 4 (depends on 1) The touch substrate according to claim 1, wherein the at least two electrodes are arranged in a longitudinal direction, and wherein adjacent ones of the at least two electrodes have complementary shapes. ### Claim 5 (depends on 4) The touch substrate of claim 4, wherein the sub-electrode has one of a triangular and diamond shape. ### Claim 6 (depends on 5) The touch substrate according to claim 5, wherein the sub-electrode has at least one of the following shapes: a first shape being a triangular shape; a second shape being a shape consisting of a first triangle and a second triangle, wherein the first triangle and the second triangle have a first common vertex, and wherein an angle bisector of the first triangle passing through the first common vertex is centrosymmetric with an angle bisector of the second triangle passing through the first common vertex; a third shape being a diamond shape; and a fourth shape being a shape composed of a third triangle and a fourth triangle, wherein the third triangle and the fourth triangle have a second common vertex, and wherein a side of the third triangle passing through the second common vertex is on the same straight line as a side of the fourth triangle passing through the second common vertex, and wherein the third triangle and the fourth triangle are located on the same side of the straight line. ### Claim 7 (depends on 6) The touch substrate of claim 6, wherein the at least two electrodes comprise a first electrode, a second electrode, and a third electrode that are sequentially disposed in a longitudinal direction and are spaced apart from one another, and wherein, the first electrode comprises at least one first sub-electrode having the first shape; the second electrode comprises at least one second sub-electrode having the second shape; and the third electrode comprises at least one third sub-electrode having the first shape. ### Claim 8 (depends on 7) The touch substrate of claim 7, wherein the at least two electrodes further comprise at least one repeating unit disposed between the first electrode and the second electrode, wherein the repeating unit comprises at least one first repeating unit portion and at least one second repeating unit portion, wherein the first repeating unit portion has the second shape, and wherein the second repeating unit portion has the third shape. ### Claim 9 (depends on 8) The touch substrate according to claim 8, wherein, the first electrode comprises a plurality of the first sub-electrodes disposed in a lateral direction; the second electrode comprises a plurality of the second sub-electrodes disposed in a lateral direction; the third electrode comprises a plurality of the third sub-electrodes disposed in the lateral direction; and the repeating unit comprises a plurality of the first repeating unit portions disposed in the lateral direction and a plurality of the second repeating unit portions disposed in the lateral direction. ### Claim 10 (depends on 6) The touch substrate of claim 6, wherein the at least two electrodes comprise a first electrode and a fourth electrode that are sequentially disposed in the longitudinal direction and are spaced apart from each other, wherein the first electrode comprises at least one first sub-electrode having the first shape, and wherein the fourth electrode comprises at least one fourth sub-electrode having the fourth shape. ### Claim 11 (depends on 10) The touch substrate according to claim 10, wherein the at least two electrodes further comprise at least one repeating unit disposed between the first electrode and the fourth electrode, wherein the repeating unit comprises at least one first repeating unit portion and at least one second repeating unit portion, wherein the first repeating unit portion has the second shape, and wherein the second repeating unit portion has the third shape. ### Claim 12 (depends on 11) The touch substrate according to claim 11, wherein, the first electrode comprises a plurality of the first sub-electrodes disposed in the lateral direction; the fourth electrode comprises a plurality of the fourth sub-electrodes disposed in the lateral direction; and the repeating unit comprises a plurality of the first repeating unit portions disposed in the lateral direction and a plurality of the second repeating unit portions disposed in the lateral direction. ### Claim 13 (depends on 11) The touch substrate according to claim 11, wherein an area ratio of the first electrode, the first repeating unit portion, the second repeating unit portion, and the fourth electrode is about 57:61:57:19. ### Claim 14 (depends on 5) The touch substrate according to claim 5, wherein an acute angle in each of the interior angles of the triangle and the diamond of the sub-electrode ranges from about 5° to 45°. ### Claim 15 (depends on 1) A display panel, wherein the display panel comprises the touch substrate according to claim 1. ### Claim 16 (depends on 15) A display device, wherein the display device comprises the display panel according to claim 15. ### Claim 17 (depends on 2) A display panel, wherein the display panel comprises the touch substrate according to claim 2. ### Claim 18 (depends on 3) A display panel, wherein the display panel comprises the touch substrate according to claim 3. ### Claim 19 (depends on 4) A display panel, wherein the display panel comprises the touch substrate according to claim 4. ### Claim 20 (depends on 5) A display panel, wherein the display panel comprises the touch substrate according to claim 5.