# US 2020/0401255 A1 · Detection device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0401255 A1 - Document ID: US20200401255A1 - Status: Published application - Kind: A1 - Application number: 17/010,252 - Filed: 2020-09-02 - Published: 2020-12-24 - Earliest claimed: 2014-04-15 - Assignees: Japan Display Inc. - Applicants: Japan Display Inc. - Inventors: Koji ISHIZAKI; Daisuke SONODA; Toshimasa ISHIGAKI - Web page: https://patentgrep.com/patent/US20200401255A1 ## 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} - 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} - 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 first substrate including a first region, a second region and a third region arranged in a first direction, the second region arranged between the first region and the third region; a first detection electrode arranged on the first substrate; a second detection electrode arranged on the first substrate and being adjacent to the first detection electrode; a first electrode coupled to the first detection electrode and continuously formed from the first region to the third region on the first substrate; a second electrode coupled to the second detection electrode, and continuously formed from the first region to the third region on the first substrate, convex portions located between the first electrode and the second electrode in the second region and spaced away from the first electrode and the second electrode; and a protection layer formed on the first electrode and the second electrode in the first region and not formed on the first electrode and the second electrode in the third region, wherein at least one of the convex portions is covered with the protective layer, and at least another one of the convex portions is not covered with the protective layer. ### Claim 2 (depends on 1) The detection device according to claim 1, wherein the convex portions include a first convex portion and a second convex portion, the second convex portion is nearer to the third region than the first convex portion is, the first convex portion is covered with the protective layer, and the second convex portion is not covered with the protective layer. ### Claim 3 (depends on 1) The detection device according to claim 1, wherein some of the convex portions are covered with the protective layer, and others of the convex portions are not covered with the protective layer and are nearer to the third region than some of the convex portions are. ### Claim 4 (depends on 1) The detection device according to claim 1, wherein each of the convex portions runs in a second direction crossing to the first direction. ### Claim 5 (depends on 4) The detection device according to claim 4, wherein each of the convex portions arrange in the first direction. ### Claim 6 (depends on 4) The detection device according to claim 4, wherein the convex portions include third convex portions and fourth convex portions facing the third convex portions in the first direction, the third convex portions are arranged in the second direction and are covered with the protective layer, and the fourth convex portions are arranged in the second direction and are not covered with the protective layer. ### Claim 7 (depends on 1) The detection device according to claim 1, wherein each of the convex portions runs in the first direction. ### Claim 8 (depends on 7) The detection device according to claim 7, wherein each of the convex portions arrange in a second direction crossing to the first direction. ### Claim 9 (depends on 1) The detection device according to claim 1, wherein the convex portions are disposed in a staggered arrangement. ### Claim 10 (depends on 1) The detection device according to claim 1, wherein the protection layer is located at the first region and a part of the second region continuously. ### Claim 11 (depends on 1) The detection device according to claim 1, wherein the first and second electrodes are terminals connected with a flexible printed circuit. ### Claim 12 A detection device comprising: a first substrate including a first region, a second region and a third region arranged in a first direction, the second region arranged between the first region and the third region; a first detection electrode arranged on the first substrate; a second detection electrode arranged on the first substrate and being adjacent to the first detection electrode; a first electrode coupled to the first detection electrode and continuously formed from the first region to the third region on the first substrate; a second electrode coupled to the second detection electrode, and continuously formed from the first region to the third region on the first substrate, convex portions located between the first electrode and the second electrode in the second region and spaced away from the first electrode and the second electrode; and a protective layer formed on the first electrode and the second electrode in the first region and a first part of the second region continuously and not formed on the first electrode and the second electrode in the third region and a second part of the second region. ### Claim 13 (depends on 12) The detection device according to claim 12, wherein each of the convex portions runs in a second direction crossing to the first direction. ### Claim 14 (depends on 13) The detection device according to claim 13, wherein each of the convex portions arrange in the first direction. ### Claim 15 (depends on 13) The detection device according to claim 13, wherein the convex portions include third convex portions and fourth convex portions facing the third convex portions in the first direction, the third convex portions are arranged in the second direction and are covered with the protective layer, and the fourth convex portions are arranged in the second direction and are not covered with the protective layer. ### Claim 16 (depends on 12) The detection device according to claim 12, wherein each of the convex portions runs in the first direction. ### Claim 17 (depends on 16) The detection device according to claim 16, wherein each of the convex portions arrange in a second direction crossing to the first direction. ### Claim 18 (depends on 12) The detection device according to claim 12, wherein the convex portions are disposed in a staggered arrangement. ### Claim 19 (depends on 12) The detection device according to claim 12, wherein the first and second electrodes are terminals connected with a flexible printed circuit.