# US 2016/0259443 A1 · Capacitive touch structure, in-cell touch panel, display device and scanning method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0259443 A1 - Document ID: US20160259443A1 - Status: Published application - Kind: A1 - Application number: 14/653,438 - Filed: 2014-09-20 - Published: 2016-09-08 - Earliest claimed: 2014-05-30 - Assignees: Boe Technology Group Co., Ltd.; Beijing Boe Optoelectronics Technology Co., Ltd. - Applicants: Boe Technology Group Co., Ltd.; Beijing Boe Optoelectronics Technology Co., Ltd. - Inventors: Shengji YANG; Xue DONG; Haisheng WANG - Web page: https://patentgrep.com/patent/US20160259443A1 ## CPC - G06F 3/0412: {Digitisers structurally integrated in a display} - G02F 1/1343: Electrodes {(reflective electrodes G02F1/133553)} - 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 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) - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS ## Abstract Disclosed are a capacitive touch structure, an in-cell touch panel, a display device and a scanning method thereof. The capacitive touch structure includes: a plurality of self-capacitance electrodes (10) disposed in a same layer and located in at least two regions contained in the layer surface where self-capacitance electrodes (10) are located; region electrodes (20) located in each of the regions and disposed in the same layer with the self-capacitance electrodes (10); first wires connected with the self-capacitance electrodes (10), wherein there is at least a plurality of first wires (41) that satisfy the following conditions: one of the first wire (41) is connected with at least two of the self-capacitance electrodes (10) located in different regions respectively; second wires connected with the region electrodes (20), wherein the region electrodes in respective regions are electrically connected with different second wires; and a touch sensing chip connected with the first wires (41) and the second wires. ## Claims ### Claim at position 1 1: A capacitive touch structure comprising: a plurality of self-capacitance electrodes arranged in a matrix in a same layer and insulated from each other, located in at least two regions contained in a layer surface where the self-capacitance electrodes are located; region electrodes in each of the regions, disposed in the same layer with the self-capacitance electrodes and insulated from the self-capacitance electrodes; a plurality of first wires electrically connected with the self-capacitance electrodes but not crossing each other, wherein there are at least a plurality of the first wires that satisfy the following conditions: one of the first wires is electrically connected with at least two of the self-capacitance electrodes, and the at least two self-capacitance electrodes are located in different regions respectively; a plurality of second wires electrically connected with the region electrodes but not crossing each other, wherein the region electrodes in respective regions are electrically connected with different second wires; and a touch sensing chip electrically connected with the first wires and the second wires and configured to determine a touch position. ### Claim at position 2 (depends on 1) 2: The capacitive touch structure of claim 1, wherein the self-capacitance electrodes are respectively located in at least two regions contained in the layer surface where the self-capacitance electrodes are located and divided along horizontal direction, the at least two self-capacitance electrodes electrically connected with the one of the first wires are located in a same column; or, the self-capacitance electrodes are respectively located in at least two regions contained in the layer surface where the self-capacitance electrodes are located and divided along the vertical direction, the at least two self-capacitance electrodes electrically connected with the one of the first wires are located in a same row. ### Claim at position 3 (depends on 1) 3: The capacitive touch structure of claim 1, wherein the region electrode in each of the regions includes a plurality of branches in a gap region between adjacent rows and/or columns of the self-capacitance electrodes. ### Claim at position 4 (depends on 3) 4: The capacitive touch structure of claim 3, wherein the first wires and the self-capacitance electrodes are disposed in different layers, and the second wires and the region electrodes are disposed in different layers; the first wires and the second wires are disposed in a same layer without crossing each other. ### Claim at position 5 (depends on 1) 5: The capacitive touch structure of claim 1, wherein opposite sides of adjacent two of the self-capacitance electrodes are both fold lines. ### Claim at position 6 (depends on 5) 6: The capacitive touch structure of claim 5, wherein the opposite sides of the adjacent two self-capacitance electrodes that are fold lines both have step-like structures which are consistent and matching each other in shape; and/or the opposite sides of the adjacent two self-capacitance electrodes that are fold lines both have concave-convex structures which are consistent and matching each other in shape. ### Claim at position 7 (depends on 1) 7: The capacitive touch structure of claim 1, wherein the first wires connecting with the self-capacitance electrodes extend to a border of the touch panel; and the second wires connecting with the region electrodes extend to a border of the touch panel; the touch panel further comprises periphery traces electrically connected with the first wires and the second wires at the border of the touch panel; and the touch sensing chip is electrically connected with the periphery traces via connection terminals. ### Claim at position 8 (depends on 7) 8: The capacitive touch structure of claim 7, wherein the self-capacitance electrodes are located in at least two regions contained in the layer surface where the self-capacitance electrodes are located and divided along a horizontal direction respectively, the at least two self-capacitance electrodes electrically connected with the one of the first wires are located in the same column; and the touch panel has a rectangle border, and extension directions of the first wires and second wires are consistent with a direction of a short side of the border. ### Claim at position 9 (depends on 7) 9: The capacitive touch structure of claim 7, wherein the self-capacitance electrodes are located in at least two regions contained in the layer surface where the self-capacitance electrodes are located and divided along a vertical direction respectively, the at least two self-capacitance electrodes electrically connected with the one of the first wires are located in the same row; and the touch panel has a rectangle border, and extension directions of the first wires and the second wires are consistent with a direction of a long side of the border. ### Claim at position 10 (depends on 1) 10: An in-cell touch panel comprising a top substrate and a bottom substrate oppositely disposed and the capacitive touch structure of claim 1; and the self-capacitance electrodes, the region electrodes, the first wires and the second wires are disposed on a side of the top substrate facing the bottom substrate or on a side of the bottom substrate facing the top substrate. ### Claim at position 11 (depends on 10) 11: The in-cell touch panel of claim 10, further comprising: a black matrix layer disposed on the side of the top substrate facing the bottom substrate or on the side of the bottom substrate facing the top substrate; wherein orthogonal projections of the self-capacitance electrodes, the region electrodes, the first wires and the second wires on the bottom substrate are within an orthogonal projection of the black matrix layer on the bottom substrate. ### Claim at position 12 (depends on 11) 12: The in-cell touch panel of claim 11, wherein the orthogonal projection of said the respective self-capacitance electrodes and the region electrodes on the bottom substrate has a pattern of mesh structure and locates within the orthogonal projection of the black matrix layer on the bottom substrate. ### Claim at position 13 (depends on 11) 13: The in-cell touch panel of claim 11, wherein the black matrix layer is located on the side of the top substrate facing the bottom substrate and the color filter layer is further disposed on the black matrix layer; the self-capacitance electrodes and the region electrodes disposed in the same layer are located between the black matrix layer and the color filter layer; the first wires and the second wires disposed in a same layer are located above the color filter layer, the first wires are electrically connected with corresponding self-capacitance electrodes through via holes in the color filter layer, and the second wires are electrically connected with corresponding region electrodes through via holes in the color filter layer. ### Claim at position 14 (depends on 10) 14: The in-cell touch panel of claim 10, wherein the self-capacitance electrodes, the region electrodes, the first wires and the second wires are disposed on a side of the bottom substrate facing the top substrate; and the self-capacitance electrodes and the region electrodes are used as a common electrode layer. ### Claim at position 15 (depends on 10) 15: A display device comprising the in-cell touch panel of claim 10. ### Claim at position 16 16-17. (canceled) ### Claim at position 17 (depends on 2) 18: The capacitive touch structure of claim 2, wherein the region electrode in each of the regions includes a plurality of branches in a gap region between adjacent rows and/or columns of the self-capacitance electrodes. ### Claim at position 18 (depends on 16) 19: The capacitive touch structure of claim 16, wherein the first wires and the self-capacitance electrodes are disposed in different layers, and the second wires and the region electrodes are disposed in different layers; the first wires and the second wires are disposed in a same layer without crossing each other. ### Claim at position 19 (depends on 2) 20: The capacitive touch structure of claim 2, wherein opposite sides of adjacent two of the self-capacitance electrodes are both fold lines. ### Claim at position 20 (depends on 3) 21: The capacitive touch structure of claim 3, wherein opposite sides of adjacent two of the self-capacitance electrodes are both fold lines. ### Claim at position 21 (depends on 4) 22: The capacitive touch structure of claim 4, wherein opposite sides of adjacent two of the self-capacitance electrodes are both fold lines.