# US 11,310,909 B2 · Printed wiring line, electronic device, touch panel, gravure plate, printed wiring line formation method, touch panel production method, and electronic device production method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,310,909 B2 - Document ID: US11310909B2 - Status: Granted - Kind: B2 - Application number: 16/932,025 - Filed: 2020-07-17 - Published: 2020-11-05 - Granted: 2022-04-19 - Earliest claimed: 2015-12-01 - Assignees: Japan Aviation Electronics Industry, Limited - Applicants: Japan Aviation Electronics Industry, Limited - Inventors: Yutaro Kogawa; Mitsunori Sato; Yutaka Takezawa; Akitoshi Sakaue; Mitsutoshi Naito - Web page: https://patentgrep.com/patent/US11310909B2 ## CPC - H05K 1/0296: {Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295 (H05K1/11 takes precedence; lay-out adapted to mounted component configuration H05K1/18)} - G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means - G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads} - 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} - H05K 3/1275: {by other printing techniques, e.g. letterpress printing, intaglio printing, lithographic printing, offset printing} - G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices - 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 - H05K 2201/09263: Meander - H05K 2201/09272: Layout details of angles or corners - H05K 2201/09681: Mesh conductors, e.g. as a ground plane - H05K 2201/0969: Apertured conductors - H05K 2203/0143: Using a roller; Specific shape thereof; Providing locally adhesive portions thereon - 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) ## Abstract A printed wiring line formed on a substrate connects two different points on the substrate which are connectable by another printed wiring line with a shape of a straight-line segment and has a shape corresponding to at least one of: 1) a shape with no linear part parallel to the straight-line segment; 2) a shape with line segments connected in series, each line segment having a shape with no linear part parallel to the straight-line segment; 3) a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment, length of the part parallel to the straight-line segment being not more than length of the straight-line segment; and 4) a shape in which line segments are connected in series, each line segment having a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment. ## Claims ### Claim 1 A gravure plate for gravure offset printing, comprising: a surface to come into contact with a blanket used in the gravure offset printing; a recess on the surface to retain ink used in the gravure offset printing, the recess having a bottom surface and two side surfaces to define a volume of space inside the recess and the recess defining a pattern of a wiring line to be printed by the gravure offset printing; and projections on the bottom surface of the recess, the projections having a total volume of space that the projections occupy and the projections protruding inside the recess to reduce the volume of the recess by the total volume of the projections. ### Claim 2 (depends on 1) The gravure plate according to claim 1, wherein each of the projections has a top not protruding beyond the surface of the gravure plate. ### Claim 3 (depends on 1) The gravure plate according to claim 1, wherein the projections stand in a row in a longitudinal direction of the recess, and a number of the projections present in a width direction of the recess between the two side surfaces is one. ### Claim 4 (depends on 2) The gravure plate according to claim 2, wherein the projections stand in a row in a longitudinal direction of the recess, and a number of the projections present in a width direction of the recess between the two side surfaces is one. ### Claim 5 (depends on 1) The gravure plate according to claim 1, wherein at least part of the recess connects two different points on the surface of the gravure plate which are connectable by another recess with a shape of a straight-line segment, the at least part of the recess having a shape corresponding to at least one of: 1) a shape with no linear part parallel to the straight-line segment; 2) a shape in which line segments are connected in series, each line segment having a shape with no linear part parallel to the straight-line segment; 3) a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment, a length of the part parallel to the straight-line segment being not more than half of a length of the straight-line segment; and 4) a shape in which line segments are connected in series, each line segment having a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment. ### Claim 6 (depends on 2) The gravure plate according to claim 2, wherein at least part of the recess connects two different points on the surface of the gravure plate which are connectable by another recess with a shape of a straight-line segment, the at least part of the recess having a shape corresponding to at least one of: 1) a shape with no linear part parallel to the straight-line segment; 2) a shape in which line segments are connected in series, each line segment having a shape with no linear part parallel to the straight-line segment; 3) a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment, a length of the part parallel to the straight-line segment being not more than half of a length of the straight-line segment; and 4) a shape in which line segments are connected in series, each line segment having a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment. ### Claim 7 (depends on 3) The gravure plate according to claim 3, wherein at least part of the recess connects two different points on the surface of the gravure plate which are connectable by another recess with a shape of a straight-line segment, the at least part of the recess having a shape corresponding to at least one of: 1) a shape with no linear part parallel to the straight-line segment; 2) a shape in which line segments are connected in series, each line segment having a shape with no linear part parallel to the straight-line segment; 3) a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment, a length of the part parallel to the straight-line segment being not more than half of a length of the straight-line segment; and 4) a shape in which line segments are connected in series, each line segment having a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment. ### Claim 8 (depends on 4) The gravure plate according to claim 4, wherein at least part of the recess connects two different points on the surface of the gravure plate which are connectable by another recess with a shape of a straight-line segment, the at least part of the recess having a shape corresponding to at least one of: 1) a shape with no linear part parallel to the straight-line segment; 2) a shape in which line segments are connected in series, each line segment having a shape with no linear part parallel to the straight-line segment; 3) a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment, a length of the part parallel to the straight-line segment being not more than half of a length of the straight-line segment; and 4) a shape in which line segments are connected in series, each line segment having a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment. ### Claim 9 (depends on 5) The gravure plate according to claim 5, wherein the at least part of the recess includes at least a group of corner parts which protrude toward one side of the straight-line segment, and one or more of the projections stand at each corner part included in the group of corner parts. ### Claim 10 (depends on 6) The gravure plate according to claim 6, wherein the at least part of the recess includes at least a group of corner parts which protrude toward one side of the straight-line segment, and one or more of the projections stand arc formed at each corner part included in the group of corner parts. ### Claim 11 An electronic device comprising: a substrate having a surface; and a patterned line of conductive ink cured on the surface of the substrate, wherein the patterned line is a gravure-offset printed line, the patterned line includes recesses each of which is surrounded by the conductive ink, the recesses line up in a row in a longitudinal direction of the patterned line and a number of the recesses present in a width direction of the patterned line is one, and the recesses are originated from projections that a gravure plate used in gravure offset printing for the gravure-offset printed line has, the gravure plate having a recess to retain the conductive ink used in the gravure offset printing and the projections being on at least part of a bottom surface of the recess. ### Claim 12 (depends on 11) The electronic device according to claim 11, wherein at least part of the patterned line connects two different points on the surface of the substrate which are connectable by another patterned line with a shape of a straight-line segment, the at least part of the patterned line having a shape corresponding to at least one of: 1) a shape with no linear part parallel to the straight-line segment; 2) a shape in which line segments are connected in series, each line segment having a shape with no linear part parallel to the straight-line segment; 3) a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment, a length of the part parallel to the straight-line segment being not more than half of a length of the straight-line segment; and 4) a shape in which line segments are connected in series, each line segment having a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment, and wherein the at least part of the patterned line includes the recesses or the at least part of the patterned line has the contour line. ### Claim 13 A method for producing a wiring line by gravure offset printing that uses a gravure plate and a blanket, the method comprising: transferring conductive ink for the wiring line onto the blanket using the gravure plate, wherein the gravure plate has: a surface to come into contact with the blanket a recess on the surface to retain the conductive ink used in the gravure offset printing, the recess having a bottom surface and the recess defining the wiring line; and projections on at least part of the bottom surface of the recess. ### Claim 14 A method for producing an electronic device which includes a substrate and a wiring line of conductive ink cured on the substrate gravure offset printing, the method comprising: printing the wiring line on the substrate by gravure offset printing that uses a gravure plate and a blanket, the printing of the wiring line including transferring the conductive ink for the wiring line onto the blanket using the gravure plate, wherein the gravure plate has: a surface to come into contact with the blanket a recess on the surface to retain the conductive ink used in the gravure offset printing, the recess having a bottom surface and the recess defining the wiring line; and projections on at least part of the bottom surface of the recess. ### Claim 15 An electronic device comprising: a substrate having a surface; and a patterned line of conductive ink cured on the surface of the substrate, wherein the patterned line is a gravure-offset printed line, the patterned line has a contour asymmetric with respect to the longitudinal direction of the patterned line, and the asymmetric contour of the patterned line is originated from projections that a gravure plate used in gravure offset printing for the gravure-offset printed line has, the gravure plate having a recess to retain the conductive ink used in the gravure offset printing and the projections being on at least part of a bottom surface of the recess.