Conductive sheet, touch sensor, and method for manufacturing touch sensor

A method for manufacturing a touch sensor, the method comprising:

• sequentially forming a first blackened film layer, a metal film layer, and a second blackened film layer on opposite surfaces of a transparent substrate;
• and
• simultaneously forming, on a first surface of the transparent substrate, a plurality of first electrodes each including a first conductive pattern, a plurality of first connectors on ends of the plurality of first electrodes, a first terminal connectable to external wiring, and first routing wiring connecting the plurality of first connectors and the first terminal, and, on a second surface of the transparent substrate, a plurality of second electrodes each including a second conductive pattern, a plurality of second connectors on ends of the plurality of second electrodes, a second terminal connectable to external wiring, and second routing wiring connecting the plurality of second connectors and the second terminal,
• the first conductive pattern including a plurality of first thin metal wires extending in a first direction and a plurality of second thin metal wires extending in a second direction, the plurality of second thin metal wires intersecting with the plurality of first thin metal wires, to form a plurality of first intersections, each first intersection forming a first obtuse angle,
• the second conductive pattern including a plurality of third thin metal wires extending in the first direction without overlapping the plurality of first thin metal wires and a plurality of fourth thin metal wires extending in the second direction, the plurality of fourth thin metal wires intersecting with the plurality of third thin metal wires without overlapping the plurality of second thin metal wires, to form a plurality of second intersections, each second intersection forming a second obtuse angle,
• the first conductive pattern further including a plurality of first bent wires, at least one first bent wire connecting at least one first thin metal wire and at least one second thin metal wire, the first thin metal wire, the first bent wire, and the second metal wire forming a first connection, the first connection comprising a first pair of two obtuse angles,
• at least one of the plurality of first bent wires connecting two facing first obtuse angles formed by two of the plurality of first intersections,
• the second conductive pattern further including a plurality of second bent wires, at least one second bent wire connecting at least one third thin metal wire and at least one fourth thin metal wire, the third thin metal wire, the second bent wire, and the fourth metal wire forming a second connection, the second connection comprising a second pair of two obtuse angles, and
• at least one of the plurality of second bent wires connecting two facing second obtuse angles formed by two of the plurality of second intersections,
• each of the plurality of first thin metal wires and
• each of the plurality of second thin metal wires
• having a same length of 300 μm to 1300 μm,
• each of the plurality of first bent wires is parallel to at least one other of the plurality of first bent wires and each of the first bent wires having a length of 8 μm to 20 μm, and
• the plurality of first thin metal wires, the plurality of second thin metal wires, and the plurality of first bent wires comprising a mesh comprising first openings, at least a plurality of the first openings (i) having the same shape as one another and (ii) being arranged consecutively in the first direction and the second direction.

A conductive sheet, comprising:

• a transparent substrate;
• a first conductive pattern on a surface of the transparent substrate, the first conductive pattern including a plurality of first thin metal wires extending in a first direction and a plurality of second thin metal wires extending in a second direction and intersecting with the plurality of first thin metal wires, the plurality of first thin metal wires and the plurality of second thin metal wires being in a mesh with a plurality of first openings arranged consecutively in the first direction and the second direction;
• and
• a second conductive pattern on another surface of the transparent substrate, the second conductive pattern including a plurality of third thin metal wires extending in the first direction without overlapping the plurality of first thin metal wires and a plurality of fourth thin metal wires extending in the second direction and intersecting with the plurality of third thin metal wires without overlapping the plurality of second thin metal wires, the plurality of third thin metal wires and the plurality of fourth thin metal wires being in a mesh with a plurality of second openings arranged consecutively in the first direction and the second direction,
• the plurality of first thin metal wires and the plurality of second thin metal wires commonly including a plurality of first bent wires at intersections of the plurality of first thin metal wires and the plurality of second thin metal wires,
• the plurality of first bent wires connecting facing first obtuse angles formed by the plurality of first thin metal wires and the plurality of second thin metal wires,
• each of the plurality of first thin metal wires includes a first metal side extending from the first bent wire to a first adjacent first bent wire of the plurality of first bent wires,
• each of the plurality of second thin metal wires includes a second metal side extending from the first bent wire to a second adjacent first bent wire of the plurality of first bent wires,
• the plurality of third thin metal wires and the plurality of fourth thin metal wires commonly including a plurality of second bent wires at intersections of the plurality of third thin metal wires and the plurality of fourth thin metal wires,
• the plurality of second bent wires connecting facing obtuse angles formed by the plurality of third thin metal wires and the plurality of fourth thin metal wires,
• each of the plurality of third thin metal wires includes a third metal side extending from the second bent wire to a first adjacent second bent wire of the plurality of second bent wires,
• each of the plurality of fourth thin metal wires includes a fourth metal side extending from the second bent wire to a second adjacent second bent wire of the plurality of second bent wires,
• each of the plurality of second thin metal wires including a plurality of first disconnected portions, each first disconnected portion including no thin metal wire between a first bent wire and an adjacent first bent wire of the plurality of first bent wires,
• each of the plurality of second thin metal wires includes a plurality of the second metal sides and the plurality of first disconnected portions arranged alternately,
• each of the plurality of third thin metal wires including a plurality of second disconnected portions, each second disconnected portion including no thin metal wire between a second bent wire and an adjacent second bent wire of the plurality of second bent wires, and
• the plurality of first disconnected portions having no intersection with the plurality of second disconnected portions.