# US 12,764,870 B2 · Detection device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,764,870 B2 - Document ID: US12764870B2 - Status: Granted - Kind: B2 - Application number: 19/007,808 - Filed: 2025-01-02 - Published: 2025-05-01 - Granted: 2026-10-13 - Earliest claimed: 2014-04-15 - Assignees: Magnolia White Corporation - Applicants: Magnolia White Corporation - Inventors: Koji Ishizaki; Daisuke Sonoda; Toshimasa Ishigaki - Web page: https://patentgrep.com/patent/US12764870B2 ## CPC - H05K 3/28: Applying non-metallic protective coatings {(H05K3/0091 takes precedence; methods for intermediate insulating layers for build-up multilayer circuits H05K3/4673)} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/044: by capacitive means - 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 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G02F 1/13338: {Input devices, e.g. touch panels} - G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices - H05K 1/11: Printed elements for providing electric connections to or between printed circuits - H05K 2201/09381: Shape of non-curved single flat metallic pad, land or exposed part thereof; Shape of electrode of leadless component - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - 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 A detection device is provided including first substrate including first region, second region and third region arranged in first direction, second region arranged between first and third regions; first detection electrode arranged on first substrate; second detection electrode arranged on first substrate and being adjacent to first detection electrode; first electrode coupled to first detection electrode and continuously formed from first to third regions; second electrode coupled to second detection electrode, and continuously formed from first to third regions, convex portions located between first electrode and second electrode in second region and spaced away from first and second electrodes; and protective layer formed on first and second electrodes in first region and not formed on first electrode and second electrode in third region, wherein at least one of convex portions is covered with protective layer, and at least another one of convex portions is not covered with protective layer. ## Claims ### Claim 1 A detection device comprising: a substrate; and a detection electrode including a lower layer portion and an upper layer portion which is on and in physical contact with the lower layer portion, the lower layer portion being between the substrate and the upper layer portion, wherein the upper layer portion has a first region and a second region which are located continuously, the first region overlaps the lower layer portion in a plan view, the second region protrudes from the first region, the detection electrode has a portion which is a part of the detection electrode and does not include the second region, the portion includes an entirety of the detection electrode in a thickness direction of the detection electrode, and the second region is located at both sides of the first region in a plan view. ### Claim 2 (depends on 1) The detection device according to claim 1, wherein the first region is in physical contact with the lower layer portion. ### Claim 3 (depends on 1) The detection device according to claim 1, wherein the second region is not in physical contact with any conductive member except for the first region. ### Claim 4 (depends on 1) The detection device according to claim 1, wherein the detection electrode has other regions which are not the second region, and the second region does not overlap the other regions. ### Claim 5 (depends on 1) The detection device according to claim 1, wherein the first and second regions are covered with a protective film. ### Claim 6 (depends on 1) The detection device according to claim 1, further comprising a flexible printed circuit with a terminal, wherein the terminal overlaps the lower layer portion and the upper layer portion in a plan view. ### Claim 7 (depends on 6) The detection device according to claim 6, wherein the upper layer portion has a third region that is a different region from the first and second regions, and the third region overlaps the terminal via an anisotropic conductive film. ### Claim 8 (depends on 7) The detection device according to claim 7, wherein the first and second regions are covered with a protective film, and the third region is not covered with the protective film. ### Claim 9 (depends on 1) The detection device according to claim 1, wherein the second region does not overlap the lower layer portion in a plan view and is not in physical contact with any conductive member in the thickness direction. ### Claim 10 A detection device comprising: a substrate; and a detection electrode including a lower layer portion and an upper layer portion which is on and in physical contact with the lower layer portion, the lower layer portion being between the substrate and the upper layer portion, wherein the upper layer portion has a first region, a second region, and a third region, the first and second regions being located continuously, the third region being a different region from the first and second regions, the first region overlaps the lower layer portion in a plan view, the second region protrudes from the first region, does not overlap the lower layer portion in a plan view, and is not in physical contact with any conductive member in the thickness direction, the first and second regions are covered with a protective film, and the third region is not covered with the protective film. ### Claim 11 (depends on 10) The detection device according to claim 10, wherein the first region is in physical contact with the lower layer portion. ### Claim 12 (depends on 10) The detection device according to claim 10, wherein the second region is a single layer. ### Claim 13 (depends on 10) The detection device according to claim 10, wherein a thickness of the second region is a thickness of an entirety of the detection electrode. ### Claim 14 (depends on 10) The detection device according to claim 10, wherein the second region is located at both sides of the first region in a plan view. ### Claim 15 (depends on 10) The detection device according to claim 10, further comprising a flexible printed circuit with a terminal, wherein the terminal overlaps the lower layer portion and the upper layer portion in a plan view. ### Claim 16 (depends on 15) The detection device according to claim 15, wherein the third region overlaps the terminal via an anisotropic conductive film. ### Claim 17 A detection device comprising: a substrate; a detection electrode including a lower layer portion and an upper layer portion which is on and in physical contact with the lower layer portion, the lower layer portion being between the substrate and the upper layer portion; and a flexible printed circuit with a terminal, wherein the upper layer portion has a first region and a second region which are located continuously, the first region overlaps the lower layer portion in a plan view, the second region protrudes from the first region, the detection electrode has a portion which is a part of the detection electrode and does not include the second region, the portion includes an entirety of the detection electrode in a thickness direction of the detection electrode, and the terminal overlaps the lower layer portion and the upper layer portion in a plan view. ### Claim 18 (depends on 17) The detection device according to claim 17, wherein the upper layer portion has a third region that is a different region from the first and second regions, and the third region overlaps the terminal via an anisotropic conductive film. ### Claim 19 (depends on 18) The detection device according to claim 18, wherein the first and second regions are covered with a protective film, and the third region is not covered with the protective film.