# US 9,519,383 B2 · ITO pattern for capacitive touchscreen applications > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,519,383 B2 - Document ID: US9519383B2 - Status: Granted - Kind: B2 - Application number: 13/567,855 - Filed: 2012-08-06 - Published: 2014-02-06 - Granted: 2016-12-13 - Earliest claimed: 2012-08-06 - Assignees: STMicroelectronics Asia Pacific Pte Ltd - Applicants: Mythreyi Nagarajan; Kusuma Adi Ningrat - Inventors: Mythreyi Nagarajan; Kusuma Adi Ningrat - Web page: https://patentgrep.com/patent/US9519383B2 ## CPC - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer} - G06F 3/0447: {Position sensing using the local deformation of sensor cells} - 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 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A capacitive sensing structure is formed from first electrically conductive sensor structures electrically coupled to each other in a first direction, and second electrically conductive sensor structures electrically coupled to each other in a second direction. Each first electrically conductive sensor structure includes a first diamond-shaped central region with electrically coupled first finger structures extending away therefrom. Each second electrically conductive sensor structure includes a second diamond-shaped central region with electrically conducting second finger structures extending away therefrom. Each second finger structure extends between two adjacent ones of the first finger structures. Floating structures may be included within an opening formed in the first diamond shaped central region. Floating structures may further be included between the first and second finger structures. ## Claims ### Claim 1 A capacitive sensing structure, comprising: a plurality of first electrically conductive sensor structures electrically coupled to each other in a first direction; a plurality of second electrically conductive sensor structures electrically coupled to each other in a second direction; wherein each of the first electrically conductive sensor structures comprises: a central diamond-shaped region having a peripheral edge; and a plurality of first finger structures electrically coupled to the central diamond-shaped region, each first finger structure extending away from the peripheral edge terminating at a distal end; wherein the central diamond-shaped region has a first bisecting dimension parallel to the first direction and a second bisecting dimension parallel to the second direction; wherein each of the plurality of first finger structures extend away from the peripheral edge perpendicularly to the first direction and parallel to the second direction. ### Claim 2 (depends on 1) The structure of claim 1, wherein said second bisecting dimension is smaller than the first bisecting dimension. ### Claim 3 (depends on 2) The structure of claim 2, wherein a ratio of the second bisecting dimension to the first bisecting dimension is in the range of 1:3 to 3:4. ### Claim 4 (depends on 3) The structure of claim 3, wherein the ratio is approximately 1:2. ### Claim 5 (depends on 1) The structure of claim 1, wherein the central diamond-shaped region includes a central diamond shaped opening. ### Claim 6 (depends on 5) The structure of claim 5, further including a single electrically conductive structure located within the central diamond shaped opening, said electrically conductive structure being electrically floating with respect to the plurality of first electrically conductive sensor structures and plurality of second electrically conductive sensor structures. ### Claim 7 (depends on 5) The structure of claim 5, further including a plurality of electrically conductive structures located within the central diamond shaped opening, said electrically conductive structures being electrically floating with respect to each other and the plurality of first electrically conductive sensor structures and plurality of second electrically conductive sensor structures. ### Claim 8 (depends on 7) The structure of claim 7, wherein the plurality of electrically conductive structures are arranged in a tiled manner. ### Claim 9 (depends on 1) The structure of claim 1, wherein the first and second directions are orthogonal. ### Claim 10 (depends on 1) The structure of claim 1, further including at least one electrically conductive structure located between adjacent ones of the plurality of first finger structures, said at least one electrically conductive structure being electrically floating with respect to the plurality of first electrically conductive sensor structures and plurality of second electrically conductive sensor structures. ### Claim 11 (depends on 1) The structure of claim 1, further including a plurality of electrically conductive structures located between adjacent ones of the plurality of first finger structures, said plurality of electrically conductive structures being electrically floating with respect to each other and the plurality of first electrically conductive sensor structures and plurality of second electrically conductive sensor structures. ### Claim 12 (depends on 11) The structure of claim 11, wherein the plurality of electrically conductive structures are arranged in a tiled manner. ### Claim 13 (depends on 1) The structure of claim 1, wherein each of the second electrically conductive sensor structures comprises: a plurality of second finger structures, each second finger structure extending between adjacent ones of the plurality of first finger structures and terminating at a second distal end adjacent the peripheral edge. ### Claim 14 (depends on 13) The structure of claim 13, further including at least one electrically conductive structure located between one of the plurality of first finger structures and one of the plurality of second finger structures, said at least one electrically conductive structure being electrically floating with respect to the plurality of first electrically conductive sensor structures and plurality of second electrically conductive sensor structures. ### Claim 15 (depends on 13) The structure of claim 13, further including a plurality of electrically conductive structures located between one of the plurality of first finger structures and one of the plurality of second finger structures, said plurality of electrically conductive structures being electrically floating with respect to each other and the plurality of first electrically conductive sensor structures and plurality of second electrically conductive sensor structures. ### Claim 16 (depends on 15) The structure of claim 15, wherein the plurality of electrically conductive structures are arranged in a tiled manner. ### Claim 17 (depends on 15) The structure of claim 15, wherein the plurality of electrically conductive structures include a linear segment structure positioned between one of the plurality of first finger structures and one of the plurality of second finger structures. ### Claim 18 (depends on 15) The structure of claim 15, wherein the plurality of electrically conductive structures include a linear segment structure positioned between the second distal end of one of the plurality of second finger structures and the peripheral edge of the central diamond-shaped region. ### Claim 19 (depends on 15) The structure of claim 15, wherein the plurality of electrically conductive structures include a curved segment structure wrapping around the first distal end of one of the plurality of first finger structures. ### Claim 20 A capacitive sensing structure, comprising: a plurality of first electrically conductive sensor structures electrically coupled to each other in a first direction, each of the first electrically conductive sensor structures comprising: a first central region; and a plurality of first finger structures electrically coupled to the first central region, each first finger extending away from the first central region and terminating at a first distal end; wherein the first central region has a first bisecting dimension parallel to the first direction and a second bisecting dimension parallel to the second direction; wherein each of the plurality of first finger structures extends perpendicularly to the first direction and parallel to the second direction; and a plurality of second electrically conductive sensor structures electrically coupled to each other in a second direction, each of the second electrically conductive sensor structures comprising: a second central region; and a plurality of second finger structures electrically coupled to the second central region, each second finger structure extending away from the second central region and terminating at a second distal end; wherein the second central region has a first bisecting dimension parallel to the first direction and a second bisecting dimension parallel to the second direction; wherein each of the plurality of second finger structures extends away from the peripheral edge perpendicularly to the first direction and parallel to the second direction; wherein each second finger structure extends between adjacent first finger structures. ### Claim 21 (depends on 20) The structure of claim 20, wherein the first and second finger structures are oriented to extend parallel to each other. ### Claim 22 (depends on 20) The structure of claim 20, wherein the first central region is diamond-shaped. ### Claim 23 (depends on 22) The structure of claim 22, wherein the diamond-shaped first central region has a first bisecting dimension parallel to the first direction and a second bisecting dimension parallel to the second direction, said second bisecting dimension being smaller than the first bisecting dimension. ### Claim 24 (depends on 20) The structure of claim 20, wherein the first central region includes a central opening. ### Claim 25 (depends on 24) The structure of claim 24, further including at least one electrically conductive structure located within the central opening, said at least one electrically conductive structure being electrically floating with respect to the plurality of first electrically conductive sensor structures and plurality of second electrically conductive sensor structures. ### Claim 26 (depends on 20) The structure of claim 20, further including at least one electrically conductive structure located between one first finger structure and one second finger structure adjacent to the one first finger structure, said at least one electrically conductive structure being electrically floating with respect to the plurality of first electrically conductive sensor structures and plurality of second electrically conductive sensor structures. ### Claim 27 A capacitive sensing structure, comprising: a plurality of electrically conductive sensor structures electrically coupled to each other in a first direction, each electrically conductive sensor structure comprising: a diamond-shaped central region; and a plurality of finger structures electrically coupled to the diamond-shaped central region, each finger structure extending away from the diamond-shaped central region towards a second direction and terminating at a distal end; wherein the central diamond-shaped region has a first bisecting dimension parallel to the first direction and a second bisecting dimension parallel to the second direction; wherein each of the plurality of first finger structures extend perpendicularly to the first direction and parallel to the second direction. ### Claim 28 (depends on 27) The structure of claim 27, wherein the diamond-shaped central region includes a diamond shaped central opening. ### Claim 29 (depends on 28) The structure of claim 28, further including at least one electrically conductive structure located within the diamond shaped central opening, said at least one electrically conductive structure being electrically floating with respect to the diamond-shaped central region and plurality of finger structures. ### Claim 30 (depends on 27) The structure of claim 27, further including at least one electrically conductive structure located between adjacent ones of the plurality of finger structures, said at least one electrically conductive structure being electrically floating with respect to the diamond-shaped central region and plurality of finger structures.