WO2017110995A1 - 配線体、配線基板、及びタッチセンサ - Google Patents
配線体、配線基板、及びタッチセンサ Download PDFInfo
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- WO2017110995A1 WO2017110995A1 PCT/JP2016/088328 JP2016088328W WO2017110995A1 WO 2017110995 A1 WO2017110995 A1 WO 2017110995A1 JP 2016088328 W JP2016088328 W JP 2016088328W WO 2017110995 A1 WO2017110995 A1 WO 2017110995A1
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- wiring
- straight
- wiring body
- lead
- width
- Prior art date
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/047—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using sets of wires, e.g. crossed wires
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—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
Definitions
- the present invention relates to a wiring body, a wiring board, and a touch sensor.
- a wiring body for the designated countries that are permitted to be incorporated by reference, the contents described in Japanese Patent Application No. 2015-253194 filed in Japan on December 25, 2015 are incorporated herein by reference. Part of the description.
- Patent Documents 1 to 3 As a metal mesh conductive layer having a transparent electrode and an electrode lead wire, one in which both the transparent electrode and the electrode lead wire are composed of a fine metal mesh is known (see, for example, Patent Documents 1 to 3).
- the wiring width of the wiring extension portion of the wiring layer is set to be equal to the number of wiring layers arranged in parallel. What is formed so that it is large, so that there are few areas is known (for example, refer to patent documents 4).
- the wiring width of the wiring extension portion of the wiring layer is formed larger in the region where the number of wiring layers arranged in parallel is smaller. In the region where the wiring width of the portion is formed large, there is a problem that durability against bending is lowered and the flexibility of the wiring layer is lowered.
- the problem to be solved by the present invention is to suppress a decrease in the flexibility of the lead wires while suppressing variations in responsiveness among a plurality of electrodes, and to suppress a short circuit between the lead wires adjacent to each other.
- a wiring body, a wiring board, and a touch sensor are provided.
- a wiring body includes a first lead wiring connected to a first electrode, and a second lead wiring connected to a second electrode, and the first lead wiring Has a first connection portion connected to the first electrode and a first end portion to which the first connection portion is connected, and is bent from the first connection portion to form a first A first straight line portion extending in a direction, and the second lead wiring includes a second connection portion connected to the second electrode, and a second connection portion connected to the second connection portion. And a second straight portion bent from the second connecting portion and extending in parallel with the first straight portion, the first straight portion being A first portion located on the first end side with respect to the second end in the first direction, and the first end with respect to the second end in the first direction.
- W 1 is the width of the first straight portion in the first portion
- W 2 is the width of the first straight portion in the second portion.
- a 1 is the aperture ratio of the first linear portion in the first portion
- a 2 is the aperture ratio of the first linear portion in the second portion. is there.
- the first straight part includes a main line part, at least two branch line parts connected to the main line part, and a slit part interposed between the adjacent branch line parts, A branch portion that branches into a plurality of branch line portions from the main line portion, and the branch portion is arranged corresponding to the second end portion, and the second portion includes at least two You may be comprised by the said branch line part and the said slit part.
- a 3 is the aperture ratio of the second straight line portion in the portion adjacent to the second portion in the second direction orthogonal to the first direction.
- the first lead wiring is configured to be partially provided with a gap
- the second lead wiring is also configured to be partially provided with a gap. Also good.
- the wiring body further includes a third lead wire connected to a third electrode, and the third lead wire is a third connection connected to the third electrode. And a third straight portion having a third end connected to the third connecting portion, bent from the third connecting portion and extending in parallel with the first straight portion.
- the first straight line portion further includes a third portion located on the opposite side of the first electrode with respect to the third end portion in the first direction.
- W 3 is the width of the first straight portion in the third portion
- a 4 is the first portion in the third portion.
- the aperture ratio of the straight portion is the width of the first straight portion in the third portion.
- the wiring body further includes a third lead wire connected to a third electrode, and the third lead wire is connected to the third electrode. And a third straight portion having a third end connected to the third connecting portion, bent from the third connecting portion and extending in parallel with the first straight portion.
- the second straight line portion includes a fourth portion located on the second electrode side with respect to the third end portion in the first direction, and the second straight portion in the first direction. And a fifth portion located on the opposite side of the second electrode with respect to the end of the third portion, and may satisfy the following expressions (8) and (9).
- W 4 is the width of the second straight portion in the fourth portion
- W 5 is the width of the second straight portion in the fifth portion.
- a 5 is the aperture ratio of the second linear portion in the fourth portion
- a 6 is the aperture ratio of the second linear portion in the fifth portion. is there.
- a wiring board according to the present invention is a wiring board including the wiring body and a support body that supports the wiring body.
- a touch sensor according to the present invention is a touch sensor including the wiring board.
- the wiring body of the present invention since the above formulas (1) and (2) are established, a difference in electrical resistance can be suppressed between lead wires having different lengths, and a plurality of electrodes Variation in the responsiveness of the lead wires can be suppressed, and a decrease in the flexibility of the lead-out wiring can be suppressed.
- the adjacent lead wires in the second portion of the first straight portion adjacent to the second straight portion can be prevented from short-circuiting.
- FIG. 1 is a plan view showing a touch sensor according to a first embodiment of the present invention.
- FIG. 2 is an exploded perspective view showing the touch sensor according to the first embodiment of the present invention.
- FIG. 3 is a partially enlarged view of part III in FIG. 4A is a cross-sectional view taken along line IVa-IVa in FIG. 3, and
- FIG. 4B is a cross-sectional view taken along line IVb-Vb in FIG.
- FIG. 5 is a diagram for explaining the aperture ratio of the straight portion.
- FIG. 6 is a plan view showing a modification of the first straight line portion according to the first embodiment of the present invention.
- FIG. 7A to FIG. 7E are cross-sectional views for explaining the first wiring body manufacturing method according to the first embodiment of the present invention.
- FIG. 7A to FIG. 7E are cross-sectional views for explaining the first wiring body manufacturing method according to the first embodiment of the present invention.
- FIG. 8 is a plan view showing a first wiring body according to the second embodiment of the present invention.
- FIG. 9 is a partially enlarged view of a part IX in FIG. 10A is a cross-sectional view taken along line Xa-Xa in FIG. 8
- FIG. 10B is a cross-sectional view taken along line Xb-Xb in FIG. 9,
- FIG. 10 is a cross-sectional view taken along line Xc-Xc in FIG. 9.
- FIG. 11 is a plan view showing a first wiring body according to the third embodiment of the present invention, and is a partially enlarged view corresponding to a section III of FIG. FIG.
- FIG. 12 is a plan view showing a first wiring body according to the fourth embodiment of the present invention, and is a partially enlarged view corresponding to a section III of FIG.
- FIG. 13 is a diagram for explaining the density of the straight portion.
- FIGS. 14 (a) to 14 (c) are plan views showing modifications of the connecting portions of the portions in the straight line portion according to the embodiment of the present invention.
- FIG. 1 is a plan view showing a touch sensor according to the first embodiment of the present invention
- FIG. 2 is an exploded perspective view showing the touch sensor according to the first embodiment of the present invention.
- the touch sensor 1 including the first wiring body 3 of the present embodiment is a projected capacitive touch panel sensor, and has a function of detecting a touch position in combination with a display device (not shown), for example. It is used as an input device.
- the display device is not particularly limited, and a liquid crystal display, an organic EL display, electronic paper, or the like can be used.
- the touch sensor 1 has a detection electrode and a drive electrode (electrodes 411, 412 and an electrode 71, which will be described later) disposed so as to face each other, and an external circuit (not shown) is provided between the two electrodes. The predetermined voltage is periodically applied.
- a touch sensor 1 for example, when an operator's finger (external conductor) approaches the touch sensor 1, a capacitor (capacitance) is formed between the external conductor and the touch sensor 1, and two electrodes The electrical state between them changes.
- the touch sensor 1 can detect the operation position of the operator based on an electrical change between the two electrodes.
- the touch sensor 1 is composed of a wiring substrate including a base material 2, a first wiring body 3, and a second wiring body 6.
- the touch sensor 1 is configured to have transparency (translucency) as a whole in order to ensure the visibility of the display device.
- the “touch sensor 1” in the present embodiment corresponds to an example of “touch sensor” and “wiring board” in the present invention.
- the “first wiring body 3” and the “second wiring body 6” in the present embodiment correspond to an example of the “wiring body” in the present invention.
- the base material 2 is a transparent base material capable of transmitting visible light and supporting the first wiring body 3.
- the material constituting the substrate 2 include polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyimide resin (PI), polyetherimide resin (PEI), polycarbonate (PC), and polyetheretherketone (PEEK).
- Examples thereof include liquid crystal polymer (LCP), cycloolefin polymer (COP), silicone resin (SI), acrylic resin, phenol resin, epoxy resin, green sheet, and glass.
- An easy-adhesion layer and an optical adjustment layer may be formed on the substrate 2.
- the “base material 2” in the present embodiment corresponds to an example of the “support” in the present invention.
- the first wiring body 3 includes a conductor portion 4 and a resin portion 5.
- the conductor portion 4 includes detection first and second electrodes 411 and 412, first and second lead wires 42 and 43, and first and second terminals 451 and 452. .
- the “first electrode 411” in the present embodiment corresponds to an example of the “first electrode” in the present invention
- the “second electrode 412” in the present embodiment is an example of the “second electrode” in the present invention.
- the “first lead wiring 42” in the present embodiment corresponds to an example of the “first lead wiring” in the present invention
- the “second lead wiring 43” in the present embodiment corresponds to the “first lead wiring 43” in the present invention. This corresponds to an example of “second lead-out wiring”.
- the first and second electrodes 411 and 412 each have a mesh shape formed by intersecting thin lines extending linearly with each other. In this embodiment, translucency is provided because the electrodes are mesh-like.
- the plurality of electrodes 411 and 412 extend in the X direction in the drawing, and the plurality of electrodes 411 and 412 are arranged in order from the + Y side to the ⁇ Y side in the drawing.
- Lead wires 42 and 43 are connected to one end in the longitudinal direction of each of the first and second electrodes 411 and 412.
- first and second terminals 451 and 452 are connected to end portions on the opposite side to the first and second electrodes 411 and 412.
- the plurality of terminals 451 and 452 are collectively arranged at the center of the ⁇ Y side end of the touch panel 1.
- the first and second terminals 451 and 452 are electrically connected to an external circuit.
- a plurality of electrodes are arranged in a sensor region (not shown) that can be viewed from the outside in a plan view.
- a plurality of lead wires and a plurality of terminals are arranged in a frame region (not shown) that corresponds to the outer peripheral portion of the sensor region and is not visible from the outside.
- Such a conductor portion 4 is formed by applying and hardening a conductive paste.
- a conductive paste or metal salt may be exemplified by a conductive paste formed by mixing a binder resin, water or a solvent, and various additives. it can.
- Examples of conductive powders include metals such as silver, copper, nickel, tin, bismuth, zinc, indium, palladium, graphite, carbon black (furnace black, acetylene black, ketjen black), carbon nanotubes, carbon nanofibers, etc.
- a carbon-type material can be mentioned.
- Examples of the metal salt include salts of these metals.
- the first thin wires 423a and 423b are required to have a relatively small electric resistance below a certain level, it is preferable to use a material mainly composed of the above metal material as the conductive powder.
- a material mainly composed of the above metal material can be used as the conductive powder.
- a carbon-based material is preferable to use as the conductive powder from the viewpoint of improving the haze and total light reflectance of the mesh film.
- the electrodes 411 and 412 are formed in a mesh shape so as to impart light transmittance as in the present embodiment
- a conductive material constituting the electrodes 411 and 412 a metal material of silver, copper, nickel,
- An electroconductive material (such as an opaque metal material and an opaque carbon material) that has excellent conductivity but is opaque, such as the above-described carbon-based material, can be used.
- examples of the binder resin contained in the conductive paste include acrylic resin, polyester resin, epoxy resin, vinyl resin, urethane resin, phenol resin, polyimide resin, silicone resin, and fluorine resin.
- Examples of the solvent contained in the conductive paste include ⁇ -terpineol, butyl carbitol acetate, butyl carbitol, 1-decanol, butyl cellosolve, diethylene glycol monoethyl ether acetate, and tetradecane.
- FIG. 3 is a partially enlarged view of a portion III in FIG. 1
- FIG. 4 (a) is a sectional view taken along line IVa-Va in FIG. 3
- FIG. 4 (b) is a sectional view taken along line IVb-Vb in FIG.
- FIG. 5 is a view for explaining the aperture ratio of the straight portion
- FIG. 6 is a plan view showing a modification of the first straight portion according to the first embodiment of the present invention.
- the first lead-out wiring 42 is configured so that a gap 427 is partially provided.
- the first lead-out wiring 42 is configured by arranging a plurality of gaps 427 formed by crossing a plurality of first thin wires 423a and 423b in a mesh shape.
- Such first thin wires 423 a and 423 b are conductor portions in the first lead-out wiring 42 made of a conductive paste constituting the conductor portion 4.
- the gap 427 is a region where no conductor portion is formed in the first lead wiring 42.
- the first thin wire 423a extends linearly along a direction inclined by + 45 ° with respect to the X direction (hereinafter, also simply referred to as “third direction”).
- the plurality of first fine wire 423a are aligned in the third direction orthogonal to the direction (hereinafter, simply referred to as "fourth direction”.)
- pitches P 11 At equal pitches P 11.
- the first thin line 423b extends linearly along a fourth direction, the plurality of first fine wire 423b are arranged at equal pitches P 12 in the third direction.
- These first thin wires 423a and 423b are orthogonal to each other, so that the quadrangular gaps 427 are arranged in a mesh shape.
- the configuration of the first lead wiring 42 is not particularly limited to the above.
- the pitch P 11 of the first thin wires 423a may be different from the pitch P 12 of the first thin wires 423b (P 11 ⁇ P 12 ).
- the extending direction of the first thin wire 423a is inclined by + 45 ° with respect to the X direction, and the extending direction of the first thin wire 423b is set with respect to the extending direction of the first thin wire 423a.
- the present invention is not particularly limited to this, and the extending direction of the first thin wires 423a and 423b can be arbitrarily set.
- the shape of the gap 427 of the first lead-out wiring 42 may be the following geometric pattern. That is, the shape of the gap 427 may be a triangle such as a regular triangle, an isosceles triangle, a right triangle, or a quadrangle such as a parallelogram or a trapezoid. Further, the shape of the gap 427 may be an n-gon such as a hexagon, an octagon, a dodecagon, or an icosahedron, a circle, an ellipse, or a star. As described above, a geometric pattern obtained by repeating various graphic units can be used as the shape of the gap 427 of the first lead wiring 42 as the first lead wiring 42.
- the first thin wires 423a and 423b are linear, but are not particularly limited as long as they extend linearly. Alternatively, a zigzag line or the like may be used.
- the widths of the first thin wires 423a and 423b constituting the first portion 422b of the first straight portion 422 to be described later constitute the second portion 422c of the first straight portion 422. It is relatively small with respect to the width of the second thin wires 433a and 433b.
- the widths of the first thin lines 423a and 423b differ depending on whether they are the thin lines constituting the first part 422b or the second part 422c. However, as shown in FIG. 4A, they have substantially the same cross-sectional shape.
- the cross-sectional shape of the first fine wire will be described with reference to the first fine wire 423a.
- the first thin wire 423a has a contact surface 424, a top surface 425, and a side surface 426 in a cross section orthogonal to the third direction.
- the contact surface 424 is in close contact with a contact surface 521 (described later) that constitutes a protruding portion 52 (described later) of the resin portion 5.
- the top surface 425 is a surface located on the opposite side of the contact surface 424 in the first thin wire 423a. In the touch panel 1 of the present embodiment, the top surface 425 is located on the side operated by the operator.
- the side surfaces 426 are inclined so as to approach each other as the distance from the resin portion 5 increases.
- the side surface 426 is continuous with a side surface 522 (described later) that constitutes the protruding portion 52 of the resin portion 5 corresponding to each side surface 426.
- the width of the contact surface 424 is preferably 500 nm to 1000 ⁇ m, more preferably 1 ⁇ m to 150 ⁇ m, and even more preferably 5 ⁇ m to 10 ⁇ m.
- the width of the top surface 425 is preferably 500 nm to 1000 ⁇ m, more preferably 1 ⁇ m to 150 ⁇ m, and even more preferably 5 ⁇ m to 10 ⁇ m.
- the height of the first thin wire 423a is preferably 50 nm to 3000 ⁇ m, more preferably 500 nm to 450 ⁇ m, and further preferably 500 nm to 10 ⁇ m.
- the top surface 425 is formed substantially flat, and its flatness is 0.5 ⁇ m or less.
- the flatness can be defined by JIS (JIS B0621 (1984)).
- the flatness of the top surface 425 is obtained by a non-contact measurement method using laser light.
- the measurement object is irradiated with a belt-shaped laser beam, and the reflected light is imaged on an image sensor (for example, a two-dimensional CMOS) to measure the flatness.
- an image sensor for example, a two-dimensional CMOS
- a method for calculating the flatness a method (maximum deflection flatness) is used in which a plane passing through three points as far apart as possible is set in the target plane, and the maximum value of the deviation is calculated as the flatness.
- the flatness measurement method and calculation method are not particularly limited to those described above.
- the flatness measurement method may be a contact-type measurement method using a dial gauge or the like.
- a method of calculating a value of a gap formed when a target plane is sandwiched between parallel planes as the flatness (maximum inclination flatness) may be used.
- the contact surface 424 has an uneven shape composed of fine unevenness.
- the top surface 425 and the side surface 426 have a substantially flat shape.
- the contact surface 424 is formed on a relatively rough surface from the viewpoint of firmly fixing the lead wiring 42 (conductor portion 4) and the resin portion 5.
- the surface roughness Ra of the contact surface 424 is about 0.1 to 3.0 ⁇ m
- the surface roughness Ra of the top surface 425 is about 0.001 to 1.0 ⁇ m. It is more preferable that the surface roughness Ra of the top surface 425 is 0.001 to 0.3 ⁇ m.
- Such surface roughness can be measured by the JIS method (JIS B0601 (revised on March 21, 2013)).
- the 1st extraction wiring 42 of this embodiment is comprised by arranging the some clearance gap 427 formed by crossing 1st thin wire
- the gap 427 ⁇ / b> B may be formed by partially removing a part of the first lead wire 42 that is linear.
- the gaps may be regularly arranged or irregularly arranged.
- “partially provided with a gap” means that if the gap is provided in the extending direction of the first lead wiring 42 while the conduction of the first lead wiring 42 is ensured, There are no particular restrictions on the quantity, shape, and arrangement.
- the conductor portion of the lead-out wiring has the above-described “contact surface 424”, “top surface 425”, and “side surface 426”.
- the second lead wire 43 also has a plurality of gaps 437 formed by crossing a plurality of second thin wires 433a and 433b, as in the case of the first lead wire 42. It is configured by arranging in a mesh.
- the mode of the second lead wiring 43 (for example, the pitch of the second thin wires 433a and 433b and the shape of the gap 437) may be the same as or different from the first lead wiring 42. Also good.
- the shape (for example, cross-sectional shape, height, and width) of the second thin wires 433a and 433b may be the same as or different from the first thin wires 423a and 423b.
- the number, shape, and arrangement of the gaps 437 in the second lead wiring 43 are not particularly limited.
- the “gap 427” in the present embodiment corresponds to an example of the “gap” in the first lead wiring of the present invention
- the “gap 437” in the present embodiment is an example of the “gap” in the second lead wiring of the present invention. It corresponds to.
- the first lead wiring 42 includes a first connection portion 421 and a first straight portion 422.
- the “first connecting portion 421” in the present embodiment corresponds to an example of the “first connecting portion” in the present invention
- the “first straight portion 422” in the present embodiment is the “first straight line” in the present invention. This corresponds to an example of “part”.
- the first connection portion 421 is a portion connected to the first electrode 411 in the first lead wiring 42.
- the first connecting portion 421 extends in a direction different from the extending direction of the first straight portion 422 (hereinafter also referred to as “first direction”). Extending in a direction perpendicular to the direction (hereinafter also referred to as “second direction”).
- first direction the extending direction of the 1st connection part 421 differs from a 1st direction, it is not limited to a 2nd direction, It can set arbitrarily.
- the first straight portion 422 has a first end portion 422a to which the first connection portion 421 is connected, and the first end portion 422a is bent from the first connection portion 421 to be second. It extends in the direction of 1.
- the “first end 422a” in the present embodiment corresponds to an example of the “first end” in the present invention.
- the first electrode 411 is provided farther than the second electrode 412 with respect to the plurality of terminals provided at the end portion on the ⁇ Y side. Yes.
- the length of the first straight portion 422 is the length of the second straight portion 432 (described later) of the second lead wire 43. On the other hand, it is relatively long.
- Such a first straight portion 422 includes a first portion 422b and a second portion 422c as shown in FIG.
- the first and second portions 422b and 422c will be described in detail later.
- the “first portion 422b” in the present embodiment corresponds to an example of the “first portion” in the present invention
- the “second portion 422c” in the present embodiment is an example of the “second portion” in the present invention. It corresponds to.
- the second lead wiring 43 includes a second connection portion 431 and a second straight portion 432.
- the “second connecting portion 431” in the present embodiment corresponds to an example of the “second connecting portion” in the present invention
- the “second straight portion 432” in the present embodiment is the “second straight portion” in the present invention. This corresponds to an example of “part”.
- the second connection portion 431 is a portion connected to the second electrode 412 in the second lead-out wiring 43.
- the second connection portion 431 of the present embodiment extends in substantially the same direction as the first connection portion 421.
- the second straight portion 432 has a second end portion 432a to which the second connection portion 431 is connected, and the second end portion 432a is bent from the second connection portion 431 and is second. It extends in the direction of 1.
- the second straight line portion 432 is provided in parallel with the first straight line portion 422.
- the first and second linear portions 422 and 432 adjacent to each other are formed as a group.
- the distance between the centers of the first and second linear portions 422 and 432 adjacent to each other is relatively smaller than the distance between the centers of the corresponding first and second electrodes 411 and 412. .
- the second electrode 412 is closer to the first electrode 411 than the plurality of terminals provided at the end on the ⁇ Y side. Is provided. For this reason, in the second lead wiring 43 corresponding to the second electrode 412, the length of the second straight line portion 432 is relatively shorter than the length of the first straight line portion 422.
- the second straight portion 432 is formed while substantially maintaining a constant width W 14 over its extending direction. Further, that the electrical resistance increases from the viewpoint of suppressing at a second end 432a, and the width W 17 of the second connecting portion 431 and the width W 14 substantially identical to the second linear portion 432 .
- the first and second portions 422b and 422c in the first straight portion 422 are arranged in order from the first end portion 422a side in the first direction as shown in FIG. Yes.
- the first and second portions 422b and 422c are classified based on the relative positional relationship between the first straight portion 422 and the second straight portion 432 shorter than the first straight portion 422. ing.
- first portion 422b is located on the first end 422a side with respect to the second end 432a in the first direction.
- the second portion 422c is located on the opposite side of the first end 422a with respect to the second end 432a in the first direction.
- first straight line portion 422 “first end portion 422a side with respect to the second end portion 432a in the first direction” or “first direction with respect to the second end portion 432a in the first direction”.
- the “opposite side of the end portion 422a” is based on the point at which the second end portion 432a is projected on the first linear portion 422 along the second direction.
- the second portion 422c of the first straight portion 422 is arranged alongside the second straight portion 432 along the second direction.
- the width W 12 of the first straight portion 422 of the second portion 422c, and the width W 14 of the second linear portion 432 are substantially the same.
- FIG. 3 the width W 11 of the first straight portion 422 of the first portion 422b, the first of the second portion 422c relationship between the width W 12 of the straight portion 422 of the is set so as to satisfy the following equation (12). W 11 > W 12 (12)
- the widths of the first thin wires 423a and 423b constituting the first portion 422b of the first straight portion 422 are the same as those of the second portion 422c of the first straight portion 422. Is relatively small with respect to the width of the second thin wires 433a and 433b. Therefore, the opening ratio A 11 in the first linear portion 422 of the first portion 422b, the relationship between the opening ratio A 12 in the first linear portion 422 of the second portion 422c is, below (13) It is set to meet. A 11 > A 12 (13)
- the “aperture ratio” means an aperture ratio per predetermined length in a plan view, and will be described with reference to an example of a straight line portion of a lead-out wiring including a conductor portion and a non-conductor portion of the present embodiment. 5, the ratio of the area of the non-conductor portion 30 to the total area of the straight portion per predetermined length (the sum of the area of the conductor portion 20 and the area of the non-conductor portion 30) Say. Note that the non-conductor portion 30 refers to a portion in which no conductor portion is formed between both ends of the straight portion when the cross section obtained by cutting the straight portion along the second direction is viewed.
- the opening ratio A 11 in the large first portion 422b of a relatively wide, large relative aperture ratio A 12 of small width relatively second portion 422c is difficult to decrease.
- the electrical resistance in the first portion 422b is made smaller than the electrical resistance in the second portion 422c.
- the opening ratio A 11 and the opening ratio A 12 is preferably set so as to satisfy the following expression (14). 1.1 ⁇ A 11 / A 12 ⁇ 1.8 (14)
- the width of the first thin wire 423a (423b) constituting the first portion 422b is set to the width of the first thin wire 423a constituting the second portion 422c.
- the pitch of the first thin wires 423a (423b) constituting the first portion 422b is set to be the second portion 422c. You may make it relatively large with respect to the pitch of the 1st thin wire
- the relative relationship of the width of the first thin wire 423a (423b) and the relative relationship of the pitch of the first thin wire 423a (423b) may be combined.
- the relationship between the width of the first straight portion 422 and the aperture ratio of the first straight portion 422 is not particularly limited. However, when the width of the first straight portion 422 is less than 50 ⁇ m, The aperture ratio is preferably 12 to 20%. In addition, when the width of the first straight portion 422 is 50 ⁇ m or more and less than 100 ⁇ m, the opening ratio of the first straight portion 422 is preferably 15 to 22%. Further, when the width of the first straight portion is not less than 100 ⁇ m and less than 200 ⁇ m, the aperture ratio of the first straight portion 422 is preferably 16 to 24%.
- the opening ratio of the first straight portion 422 is preferably 20 to 32%.
- the aperture ratio of the 1st linear part 422 is 40% or less irrespective of the width
- the relationship between the width and the aperture ratio of the second straight portion 432 and the third straight portion 442 described later is not particularly limited, but the width of the first straight portion 422 and the first straight portion are described above. It is preferable that the same relationship as the relationship with the aperture ratio of 422 is satisfied.
- the first portion 422b extend from the viewpoint of reducing the electrical resistance of the first lead line 42, the first portion 422b while maintaining the substantially constant width W 11, until the first end 422a ing.
- the first lead wire 42 is prevented from increasing in electrical resistance from the viewpoint of the first end portion 422a.
- the width W 16 of the connecting portion 421 width W 11 and substantially in the first linear portion 422 at the first end 422a is the same.
- the width W 16 of the first connecting portion 421 the relationship between the width W 17 of the second connecting portion 431, and an opening ratio A 17 in the first connecting portion 421 opening in the second connecting portion 431
- the relationship with the rate A 18 is set so as to satisfy the following formulas (15) and (16). W 16 > W 17 (15) A 17 > A 18 (16)
- the width W 16 of the first connecting portion 421 is not particularly limited to the above. From the viewpoint of further reducing the electrical resistance of the first lead wire 42 and the width W 16 of the first connection portion 421 is larger than the width W 11 of the first linear portion 422 at the first end 422a Also good.
- connection portion of the first and second portions 422b and 422c has a side portion on the ⁇ X side of the first straight portion 422 in plan view. Are substantially continuous, and a step due to the difference in width between the first and second portions 422b and 422c is formed on the side of the first straight portion 422 on the + X side.
- the conductor portion 4 when the conductor portion 4 is formed by relatively reducing the width of the first straight portion 422 in the second portion 422c adjacent to the second straight portion 432.
- Resin portion 5 functions as, for example, an adhesive layer that holds conductor portion 4 on substrate 2.
- the resin portion 5 includes a flat portion 51 and a protruding portion 52 that protrudes from the flat portion 51.
- the flat part 51 has a substantially flat upper surface 511 and is provided with a substantially constant thickness so as to cover the main surface of the substrate 2.
- the thickness of the flat portion 51 is not particularly limited, but is set in the range of 5 ⁇ m to 100 ⁇ m.
- the protruding portion 52 protrudes toward the conductor portion 4 side (+ Z direction in the drawing) as compared with the flat portion 51 and is provided corresponding to the conductor portion 4.
- the protrusion 52 has a contact surface 521 and a side surface 522 in a cross section orthogonal to the extending direction of the first thin wire 423a, for example.
- the contact surface 521 is a surface (for example, the contact surface 424) which contacts the conductor part 4, and has an uneven shape.
- the contact surface 521 does not exist on the same plane as the upper surface 511 of the flat portion 51.
- the side surfaces 522 are formed to be substantially flat and are inclined so as to be separated from each other as the distance from the conductor portion 4 increases.
- the side surface 522 is continuous with the side surface 426.
- Examples of the material constituting the resin part 5 include epoxy resins, acrylic resins, polyester resins, urethane resins, vinyl resins, silicone resins, phenol resins, polyimide resins, and other UV curable resins, thermosetting resins, and thermoplastics. Resin etc. can be illustrated.
- the 2nd wiring body 6 is provided with the conductor part 7 and the resin part 8 as shown in FIG.1 and FIG.2.
- the conductor portion 7 includes a plurality of electrodes 71, a plurality of lead wires 72, and a plurality of terminals 73.
- the number of the electrodes 71 which comprise this 2nd wiring body 6 is not specifically limited, It can set arbitrarily. Further, the number of lead wires 72 and terminals 73 constituting the second wiring body 6 is set according to the number of electrodes 71.
- Each electrode 71 extends in a direction (Y direction in the figure) orthogonal to each electrode 411, 412 of the first wiring body 3, and the plurality of electrodes 71 are arranged in parallel in the X direction in the figure. Has been.
- One end of each lead wire 72 is connected to one end in the longitudinal direction of each electrode 71.
- a terminal 73 is connected to the other end of each lead-out wiring 72. This terminal 73 is electrically connected to an external circuit.
- the conductor portion 7 constituting the second wiring body 6 has the same basic structure as the conductor portion 4 constituting the first wiring body 3. Therefore, the detailed description of each structure of the conductor part 7 is abbreviate
- the resin part 8 is formed on the base material 2 so as to cover the first wiring body 3.
- the resin portion 8 also functions as an insulating portion that ensures insulation between the conductor portion 4 of the first wiring body 3 and the conductor portion 7 of the second wiring body 6.
- the resin portion 8 has a concave and convex shape corresponding to the conductor portion 4 of the first wiring body 3 on the lower surface, but the other basic structure is the same as the resin portion 5 of the first wiring body 3. It is. Therefore, the detailed description of each structure of the resin part 5 is abbreviate
- FIG. 7A to FIG. 7E are cross-sectional views for explaining the first wiring body manufacturing method according to the first embodiment of the present invention.
- the manufacturing method of the 1st wiring body 3 of this embodiment is the filling process S10 which fills the recessed part 111 of the intaglio 11 with the electroconductive material 12, and drying, heating, and irradiation of an energy ray with respect to the electroconductive material 12.
- the conductive material 12 is filled into the intaglio 11 in which the concave portion 111 having a shape corresponding to the shape of the conductor portion 4 is formed.
- the conductive material 12 filled in the concave portion 111 of the intaglio 11 the conductive paste as described above is used.
- the material constituting the intaglio 11 include glass such as silicon, nickel, and silicon dioxide, ceramics, organic silica, glassy carbon, thermoplastic resin, and photocurable resin.
- the cross-sectional shape of the recess 111 is a tapered shape whose width becomes narrower toward the bottom.
- a release layer (not shown) made of a graphite material, a silicone material, a fluorine material, a ceramic material, an aluminum material, or the like is previously formed on the surface of the recess 111 in order to improve releasability. It is preferable to do.
- Examples of the method of filling the conductive material 12 in the concave portion 111 of the intaglio 11 include a dispensing method, an ink jet method, and a screen printing method. Or, after coating by the slit coating method, bar coating method, blade coating method, dip coating method, spray coating method, spin coating method, the conductive material 12 coated other than the concave portion 111 is wiped off or scraped off, The method of sticking off, washing away, and blowing off can be mentioned. Depending on the composition of the conductive material 12, the shape of the intaglio 11 and the like, they can be properly used.
- the conductive material 12 filled in the recess 111 is dried or heated.
- Conditions for drying or heating the conductive material 12 can be appropriately set according to the composition of the conductive material 12 and the like.
- volumetric shrinkage occurs in the conductive material 12 due to the treatment of drying or heating.
- the bottom surface and side surfaces of the conductive material 12 become flat along the shape of the inner wall surface of the recess 111.
- the shape of the top surface of the conductive material 12 is not affected by the shape of the recess 111.
- a fine uneven shape is formed on the top surface of the conductive material 12.
- a resin material 13 for forming the resin part 5 is applied on the intaglio 11.
- the resin material mentioned above is used.
- the method for applying the resin material 13 on the intaglio 11 include a screen printing method, a spray coating method, a bar coating method, a dip method, and an ink jet method.
- the resin material 13 enters the recess 111.
- the base material 2 is placed on the layer of the resin material 13 applied on the intaglio 11. This step is preferably performed under vacuum in order to prevent bubbles from entering between the resin material 13 and the substrate 2.
- the material of the base material 2 can illustrate what was mentioned above.
- the resin material 13 is cured.
- the method for curing the resin material 13 include irradiation with energy rays such as ultraviolet rays and infrared laser beams, heating, heating and cooling, and drying.
- the base material 2 the resin material 13 and the conductive material 12 are released from the intaglio 11 so that the resin material 13 and the conductive material 12 follow the base material 2. Peel from the intaglio 11 (in this case, the resin material 13 and the conductive material 12 are peeled from the intaglio 11 integrally).
- the base material 2 is laminated
- the base material 2 is laminated on the intaglio 11 via the resin material 13 by placing on the intaglio 11 a resin material 13 previously applied to the main surface (the surface facing the intaglio) of the base 2. Also good.
- a transparent resin material constituting the resin portion 8 is applied so as to cover the first wiring body 3.
- the transparent resin material as described above is used.
- the viscosity of the transparent resin material constituting the resin portion 8 is preferably 1 mPa ⁇ s to 10,000 mPa ⁇ s from the viewpoint of ensuring sufficient fluidity during application. Further, the storage elastic modulus of the cured resin is preferably 10 6 Pa or more and 10 9 Pa or less from the viewpoint of durability of the conductor portion 7. Examples of the method for applying the resin material of the resin portion 8 include a screen printing method, a spray coating method, a bar coating method, a dip method, and an ink jet method.
- the touch sensor 1 of the present embodiment can be obtained by forming the conductor portion 7 on the resin portion 8.
- the conductor portion 7 can be formed by a method similar to the method for forming the conductor portion 4.
- the first wiring body 3, the wiring board, and the touch sensor 1 of the present embodiment have the following effects.
- the lengths of the lead wirings formed corresponding to the plurality of electrodes are formed to different lengths depending on the arrangement of the electrodes. . For this reason, electrical resistance is uneven among the plurality of lead-out wirings, and there is a risk that the responsiveness between the electrodes will vary.
- the width of the straight portion of the lead-out wiring formed corresponding to each electrode increases as the length of the straight portion increases.
- the flexibility of the lead-out wiring may be reduced in the region where the width of the straight line portion is large.
- a 12 is set so as to satisfy the above expression (14).
- the first lead wiring 42 is configured to be partially provided with a gap 427
- the second lead wiring 43 is also configured to be partially provided with a gap 437. ing.
- the electrodes 411 and 412 and the first and second lead wires 42 and 43 are formed in a lump, disconnection or the like hardly occurs between them.
- the manufacturing process of the first wiring body 3 can be simplified, and the first wiring The manufacturing cost of the body 3 can be reduced. If the gaps 427 and 437 are partially provided for the first and second lead wires 42 and 43, the electrical resistance in the lead wires is higher than when the lead wires are formed in a solid pattern.
- the cross-sectional area of the first connection portion 421 is relatively large with respect to the cross-sectional area of the second connection portion 431, the cross-section area is relatively large with respect to the second lead-out wiring 43.
- the electrical resistance of the long first lead wiring 42 can be made relatively small, and the difference in electrical resistance between the first and second lead wirings 42 and 43 can be reduced.
- the first wiring body 3 including the first and second lead wirings 42 and 43 has been described.
- the first wiring body 3 further includes a third lead wiring 44. It may be.
- the first wiring body 3B includes the first to third lead wirings 42B, 43B, and 44 will be described.
- Second Embodiment 8 is a plan view showing the first wiring body according to the second embodiment of the present invention
- FIG. 9 is a partially enlarged view of the IX portion of FIG. 8
- FIG. 10A is along the Xa-Xa line of FIG. 10B is a cross-sectional view taken along line Xb-Xb in FIG. 9,
- FIG. 10C is a cross-sectional view taken along line Xc-Xc in FIG.
- the configuration of the conductor portion 4B is different from that of the conductor portion 4 of the first embodiment, but the other configurations are the same as those of the first embodiment.
- 1st Embodiment is demonstrated about the conductor part 4B in 2nd Embodiment, about the structure similar to 1st Embodiment, the same code
- the conductor portion 4B includes first to third electrodes 411, 412, 413, first to third lead wires 42B, 43B, 44, and first to third terminals 451, 452, 453.
- the plurality of electrodes 411, 412, and 413 are arranged at equal intervals in order from the + Y side to the ⁇ Y side in the drawing.
- first to third lead wires 42B, 43B, and 44 are connected to one end in the longitudinal direction of each of the first to third electrodes 411, 412, and 413. Further, first to third terminals 451, 452, 453 are connected to ends of the respective lead wirings 42 B, 43 B, 44 opposite to the first to third electrodes 411, 412, 413. The plurality of terminals 451, 452, and 453 are collectively arranged at the center of the ⁇ Y side end of the touch panel 1.
- the “third electrode 413” in the present embodiment corresponds to an example of the “third electrode” in the present invention
- the “first lead wiring 42B” in the present embodiment is the “first lead wiring” in the present invention
- the “second lead-out wiring 43B” in the present embodiment corresponds to an example of the “second lead-out wiring” in the present invention
- the “third lead-out wiring 44” in the present embodiment corresponds to the present invention. Corresponds to an example of “third extraction wiring”.
- the first and second lead wires 42B and 43B are configured by arranging a plurality of gaps formed by intersecting a plurality of fine lines in a mesh pattern.
- the third lead wiring 44 also has a plurality of gaps 447 formed by crossing a plurality of third thin wires 443a and 443b in a mesh pattern, like the first and second lead wirings 42B and 43B. It is composed of that.
- the mode of the third lead wiring 44 (for example, the pitch of the thin wires 443a and 443b and the shape of the gap 447) may be the same as or different from the other lead wiring.
- the shapes of the third thin wires 443a and 443b may be the same as or different from the shapes of the other thin wires.
- the widths of the first thin wires 423a and 423b constituting the first to third portions 422b, 422c, and 422d are the first to third portions 42b and 422c. , 422d, and the width of the first thin wires 423a, 423b is smaller in the portion closer to the first end 422a.
- the first straight portion 422B in the first lead wire 42B of the present embodiment includes a first portion 422b, a second portion 422c, and a third portion 422d.
- the second straight line portion 432B in the second lead wiring 43B of the present embodiment includes a fourth portion 432b and a fifth portion 432c.
- each part in the 1st and 2nd linear parts 422B and 432B is demonstrated in detail later.
- the “third portion 422d” in the present embodiment corresponds to an example of the “third portion” in the present invention
- the “fourth portion 432b” in the present embodiment is an example of the “fourth portion” in the present invention.
- the “fifth portion 432c” in the present embodiment corresponds to an example of the “fifth portion” in the present invention.
- the third lead wiring 44 includes a third connection portion 441 and a third straight portion 442.
- the “third connecting portion 441” in the present embodiment corresponds to an example of the “third connecting portion” in the present invention
- the “third straight portion 442” in the present embodiment is the “third straight line” in the present invention. This corresponds to an example of “part”.
- the third connection portion 441 is a portion connected to the third electrode 413 in the third lead wiring 44.
- the third connection portion 441 extends in substantially the same direction as the first and second connection portions 421 and 431.
- the third straight portion 442 has a third end portion 442a to which the third connection portion 441 is connected, and the third end portion 442a is bent from the third connection portion 441 to be second. 1 extends in the direction of 1, and is provided in parallel with the first and second linear portions 422B and 432B.
- the “third end portion 442a” in the present embodiment corresponds to an example of the “third end portion” in the present invention.
- the third electrode 413 is more than the first and second electrodes 411 and 412 with respect to a plurality of terminals provided at the end portion on the ⁇ Y side. Is also provided nearby. For this reason, the length of the third straight line portion 442 in the third lead wiring 44 corresponding to the third electrode 413 is equal to the straight line portion of the other lead wiring (specifically, the first and second straight lines). Part 422B, 432B) is relatively short.
- the third straight portion 442 is formed while maintaining a substantially constant width W 28 in the extending direction.
- the width W 29 of the third connection portion 441 is set to the first value.
- the width W 28 of the third straight portion 442 is substantially equal to or greater than the width W 28 .
- first to third portions 422b, 422c and 422d of the first straight portion 422B and the fourth and fifth portions 432b and 432c of the second straight portion 432B will be described in more detail.
- the first to third portions 422b, 422c, and 422d in the first linear portion 422B are arranged in order from the first end 422a side in the first direction as shown in FIG. It has been.
- the first to third portions 422b, 422c, and 422d are relative positions of the first straight portion 422B and the second and third straight portions 432B and 442 that are shorter than the first straight portion 422B. It is classified based on the relationship.
- first portion 422b is located in the same manner as in the first embodiment.
- the second portion 422c is located on the opposite side to the first end 422a with respect to the second end 432a in the first direction, and with respect to the third end 442a in the first direction. It is located on the first end 422a side.
- the third portion 422d is located on the opposite side of the first end 422a with respect to the third end 442a in the first direction.
- first linear portion 422B “the first end portion 422a side with respect to the third end portion 442a in the first direction” or “the first end portion with respect to the third end portion 442a in the first direction”.
- the “opposite side of the end portion 422a” is based on the point where the third end portion 442a is projected on the first straight portion 422B along the second direction.
- the fourth and fifth portions 432b and 432c in the second straight portion 432B are arranged in order from the second end portion 432a side along the first direction.
- the fourth and fifth portions 432b and 432c are divided based on the relative positional relationship between the second straight portion 432B and the third straight portion 442 shorter than the second straight portion 432B. Yes.
- the fourth portion 432b is located on the second end 432a side with respect to the third end 442a in the first direction.
- the fifth portion 432c is located on the opposite side to the second end 432a with respect to the third end 442a in the first direction.
- the second end portion 432a side with respect to the third end portion 442a in the first direction or the second end portion 442a with respect to the third end portion 442a in the first direction.
- the side opposite to the end portion 432a is based on a point where the third end portion 442a is projected onto the second straight portion 432B along the second direction.
- the second portion 422c of the first straight portion 422B and the fourth portion 432b of the second straight portion 432B are arranged side by side in the second direction. Yes. Further, the third portion 422d of the first straight portion 422B, the fifth portion 432c of the second straight portion 432B, and the third straight portion 442 are arranged side by side in the second direction. .
- the widths of the respective linear portions are set to be substantially the same in portions adjacent to each other.
- the width W 22 of the first straight portion 422B of the second portion 422c, and the width W 24 of the second linear portion 432B of the fourth portion 432b is substantially the same.
- the width W 23 of the first straight portion 422B in the third portion 422d, the width W 25 of the second straight portion 432B in the fifth portion 432c, and the width W 28 of the third straight portion 442 are as follows. It is substantially the same.
- the relationship between the widths W 21 and W 22 of the first straight portion 422B in the first and second portions 422b and 422c satisfies the same relationship as the above expression (12).
- the width W 22 of the first straight portion 422B in the second portion 422c and the third portion relationship between the first linear portion width W 23 of 422B in 422d is set so as to satisfy the following equation (17). W 22 > W 23 (17)
- the first straight portion 422B of the present embodiment has a different width in each of the first to third portions 422b, 422c, and 422d, and the portion closer to the first end portion 422a.
- the width of the first straight portion 422B is increased. For this reason, since a large conduction path is ensured in the first and second portions 422b and 422c, the electrical resistance of the relatively long first lead-out wiring 42B is reduced.
- the widths of the first thin wires 423a and 423b constituting the first to third portions 422b, 422c, and 422d are the first to the second portions. 3 portions 422b, 422c, and 422d, and the widths of the first thin wires 423a and 423b are smaller as the portion is closer to the first end 422a.
- the relationship between the first straight portion 422B of the opening ratio A 21 and the first linear opening rate A 22 of the 422B of the second portion 422c of the first portion 422b is, as described above (13)
- the relationship between the opening ratio A 22 of the first straight portion 422B in the second portion 422c and the opening ratio A 24 of the first straight portion 422B in the third portion 422d is expressed by the following equation (18). It is set to satisfy. A 22 > A 24 (18)
- the first and second portions 422b and 422c are bent at the first straight portion 422B even if the width of the first straight portion 422B is large. It is difficult to reduce the flexibility of the material.
- the first to third portions 422b, 422c, and 422d of the first linear portion 422B are portions close to the first end portion 422a.
- the electrical resistance is getting smaller.
- the ratio (A 21 / A 24 ) between the aperture ratio A 21 and the aperture ratio A 24 is It is preferable to set so as to satisfy the following expression (19). 1.1 ⁇ A 21 / A 24 ⁇ 1.8 (19)
- the ratio (A 21 / A 22 ) between the aperture ratio A 21 and the aperture ratio A 22 of the first straight portion 422B in the second portion 422c is also the above (19). It is set within the same range as the range of the formula.
- the ratio (A 22 / A 24 ) between the aperture ratio A 22 and the aperture ratio A 24 is also set within the same range as the range of the above equation (19).
- the width of the first thin wires 423a and 423b constituting the second and third portions 422c and 422d may be changed to satisfy the above equation (18), or
- the above equation (18) may be established by changing the pitch of the first thin wires 423a and 423b constituting the second and third portions 422c and 422d.
- connection portion of the second and third portions 422c and 422d is a plane as in the connection portion of the first and second portions 422b and 422c.
- the ⁇ X side side portion of the first straight portion 422B is substantially continuous, while the second and third portions 422c, A step due to the difference in the width of 422d is formed.
- the width of the first straight part 422B changes in the connection part of the first and second parts 422b and 422c, and the connection of the second and third parts 422c and 422d. In the portion, the width of the first straight portion 422B further changes. As a result, in the first straight line portion 422B of the present embodiment, the width of the first straight line portion 422B increases stepwise along the first direction as it approaches the first end portion 422a.
- the width W 24 of the second straight portion 432B in the fourth portion 432b is set so as to satisfy the following expression (20). W 24 > W 25 (20)
- the relationship between the aperture ratio A 25 of the second straight portion 432B in the fourth portion 432b and the aperture ratio A 26 of the second straight portion 432B in the fifth portion 432c is as follows. Are set so as to satisfy the following equation (21). A 25 > A 26 (21)
- the first wiring body 3B in the present embodiment has the following effects.
- the first wiring body 3B in the present embodiment can also obtain the same operational effects as the first wiring body 3 described in the first embodiment.
- the difference in electrical resistance between the second and third lead wires 43B and 44B having different lengths can be suppressed, and the second and third Variation in responsiveness between the third electrodes 412 and 413 can be suppressed.
- variation in responsiveness between the first to third electrodes 411, 412 and 413 can be suppressed.
- the first lead wire 42B with respect to the width W 22 of the first straight portion 422B width W 23 of the first straight portion 422B of the third portion 422d of the second portion 422c (Ie, the above equation (17) is established). Accordingly, when the conductor portion 4B is formed, bleeding of the first lead wiring 42B in the third portion 422d is further suppressed, and the first lead wiring 42B is short-circuited with the adjacent second lead wiring 43B. Is more reliably suppressed.
- the width W 25 of the second straight portion 432B in the fifth portion 432c is set to be equal to the width W 24 of the second straight portion 432B in the fourth portion 432b. (Ie, the above equation (20) is established). Accordingly, when the conductor portion 4B is formed, bleeding of the second lead wiring 43B in the fourth portion 432b is suppressed, and the first and third lead wirings 42B, the second lead wiring 43B are adjacent to each other. Short-circuiting with 44B is suppressed.
- FIG. 11 is a plan view showing a first wiring body according to the third embodiment of the present invention, and is a partially enlarged view corresponding to a section III of FIG.
- the configuration of the first wiring body 3C is different from that of the first wiring body 3 of the first embodiment, but the other configuration is the same as that of the first embodiment.
- the differences from the first embodiment of the first lead wiring 42C in the third embodiment will be described, and portions having the same configurations as those in the first embodiment will be denoted by the same reference numerals. Omitted.
- the first straight line portion 422C of the first lead wiring 42C of the present embodiment includes a main line portion 4221, a plurality of branch line portions 4222, a slit portion 4223, and a branch portion 4224. It is out.
- the “main line part 4221” in the present embodiment corresponds to an example of the “main line part” in the present invention
- the “branch line part 4222” in the present embodiment corresponds to an example of the “branch line part” in the present invention.
- the “slit part 4223” in the embodiment corresponds to an example of the “slit part” in the present invention
- the “branch part 4224” in the present embodiment corresponds to an example of the “branch part” in the present invention.
- the main line portion 4221 is formed between the first terminal 451 and the branch portion 4224.
- a plurality of branch line parts 4222 are branched from the main line part 4221.
- a slit part 4223 is formed that is interposed between these adjacent branch line parts 4222 and insulates these adjacent branch line parts 4222.
- first connection portion 421C is divided into a plurality of portions in accordance with the number of branch line portions 4222.
- the plurality of first connection portions 421C are connected to the plurality of branch line portions 4222, respectively.
- the slit portion 4223 extends to between the adjacent first connection portions 421C.
- the width and pitch of the plurality of first thin wires 423a and 423b constituting the main line portion 4221 and the width and pitch of the plurality of first thin wires 423a and 423b constituting the branch line portion 4222 are substantially Are identical.
- the width and pitch of the plurality of first thin lines 423a and 423b constituting the main line portion 4221 and the width and pitch of the plurality of first thin lines 423a and 423b constituting the branch line portion 4222 And may be different from each other.
- the width of the main line portion 4221 and the width of the branch line portion 4222 are substantially the same from the viewpoint of stabilizing the shape of the first lead wiring 42C.
- the relative relationship between the width of the main line portion 4221 and the width of the branch line portion 4222 is not particularly limited to the above.
- the width of the main line portion 4221 may be relatively large with respect to the width of the branch line portion 4222, or the width of the main line portion 4221 may be relatively small with respect to the width of the branch line portion 4222. .
- the branching portion 4224 is arranged corresponding to a portion where the second end 432a is projected onto the first straight portion 422C.
- the second portion 422c of the first straight portion 422C is constituted by the main line portion 4221, a first portion 422b 1 of the first straight portion 422C, a plurality of branch line portions 4222 and a plurality of slits 4223.
- the first portion 422b 1 is composed of a plurality of branch line portions 4222 and a plurality of slit portions 4223, so that the width W of the first straight portion 422C in the first portion 422b 1 is achieved.
- 31 and the width W 32 of the first straight portion 422C in the second portion 422c are set so as to satisfy the following expression (22). W 31 > W 32 (22)
- the opening ratio A 1 of the first straight portion 422C in the first portion 422b 1 is set so as to satisfy the following equation (23).
- the first electrical resistance of the portion 422b 1 of the first straight portion 422B is smaller with respect to the electrical resistance of the second portion 422c .
- the first wiring body 3C of the present embodiment has the following effects.
- the slit portions are formed between the branch line portions 4222, so that the shapes of the first thin wires 423a and 423b constituting the first lead wiring 42C are formed.
- the aperture ratio A1 of the first straight portion 422C in the first portion 422b 1 is changed to the aperture ratio A2.
- Can be larger it is possible to achieve both suppression of variation in responsiveness between the plurality of electrodes 411 and 412 and suppression of decrease in flexibility of the first lead wiring 42C.
- the first portion 422b 1 includes a plurality of branch line portions 4222, even if one branch line portion 4222 is disconnected, the first lead wiring 42C is disconnected. Can be prevented.
- the shape of the first thin wires 423a and 423b constituting the first lead wire 42C is not changed between the first and second portions 422b and 422c, the first wiring body 3C is not changed. In the manufacturing process, the shape of the first lead wiring 42C can be stabilized.
- FIG. 12 is a plan view showing a first wiring body according to the fourth embodiment of the present invention, and is a partially enlarged view corresponding to a section III in FIG.
- the configuration of the second lead wiring 43D is different from the second lead wiring 43 of the first embodiment, but the other configurations are the same as those of the first embodiment. .
- the differences from the first embodiment of the second lead-out wiring 43D in the fourth embodiment will be described, and portions having the same configuration as in the first embodiment will be denoted by the same reference numerals. Omitted.
- the widths of the second thin wires 433a and 433b constituting the second straight line portion 432D in the portion adjacent to the second portion 422c are the second width. This is smaller than the width of the first thin wires 423a and 423b constituting the portion 422c.
- the second straight portion 432D in the portion adjacent to the second portion 422c is the second straight portion 422D of the second straight portion 432D along the second direction. When projected, it refers to a portion that overlaps with the projected second portion 422c.
- the aperture ratio A 42 of the first straight portion 422 in the second portion 422c and the aperture ratio A of the second straight portion 432D in the portion adjacent to the second portion 422c in the second direction. 43 is set so as to satisfy the following expression (24). A 42 > A 43 (24)
- the pitch of the second thin wires 433a and 433b constituting the second straight portion 432D is set to the first straight line in the second portion 422c in the same manner as the above-described embodiment.
- the pitch may be larger than the pitch of the first thin wires 423a and 423b constituting the part 422.
- the first wiring body 3D of the present embodiment has the following effects.
- 1st wiring body 3D in this embodiment can also obtain the same effect as the 1st wiring body 3 demonstrated in 1st Embodiment.
- the difference between the electrical resistances is further reduced between the first lead-out wiring 42 and the second lead-out wiring 43D by setting so as to satisfy the above expression (24). Therefore, variation in responsiveness between the plurality of electrodes 411 and 412 can be further suppressed.
- the opening ratios of the plurality of lead wires are different from each other, and the lead wire having a longer straight line portion is formed so that the opening ratio decreases. Thereby, the dispersion
- the height of the first thin wires 423a and 423b constituting the first portion 422b and the first thin wire 423a constituting the second portion 422c by varying a height of the 423b, and the density D 1 of the first linear portion 422C of the first portion 422b, the relationship between the density D 2 of the first linear portion 422C of the second portion 422c, below You may set so that (25) Formula may be satisfy
- the “density of the straight line portion” refers to a value represented by the following equation (26) (see FIG. 13).
- (Density) S / (h ⁇ w) (26)
- h is the height of the straight portion in the cross section along the second direction
- w is the width of the straight portion in the cross section along the second direction
- S is the second It is a cross-sectional area of the straight part in the cross section along the direction of
- the “cross-sectional area of the straight line portion” refers to the area of the cross section of the straight line portion in the second direction.
- the cross-sectional area of the straight portion includes the cross-sectional area of the conductor portion and does not include the cross-sectional area of the non-conductor portion.
- the cross-sectional area of one straight line portion is relatively larger than the cross-sectional area of the other straight line portion.
- An arbitrary cross section of a part includes a part having a cross-sectional area larger than the maximum value of the cross-sectional area of another straight part.
- the lead wiring is configured by combining the relative relationship of the width in the straight line portion described in the first and second embodiments and the relative relationship of the density in the straight line portion described in the third embodiment. Also good.
- the lead-out wiring is configured to be partially provided with a gap.
- the present invention is not limited to this, and the lead-out wiring may be formed with a solid pattern. Even in such a case, the present invention can be applied.
- the width of the first straight portion 422B is changed at the connection portion between the first and second portions 422b and 422c.
- the first portion 422b may be connected to the third portion 422d while maintaining the width of the first straight portion 422B in the first portion 422b. That is, in the first straight line portion, it is not necessary to change the width of the first straight line portion in all of the connection portions between the portions.
- the number of electrodes included in the wiring body is not particularly limited and can be arbitrarily set.
- the number of lead wires and the number of terminals that the wiring body has are set according to the number of electrodes.
- the present invention can be applied in relation to any two lead wires or any three lead wires.
- the width of the linear portion in each portion is set based on the following equation (27). be able to.
- W (N 1 / N 2 ) ⁇ Wmin (27)
- N 1 is the number of electrodes in the wiring body
- N 2 is parallel to the second direction in the region corresponding to the required portion.
- the number of straight line portions, and Wmin is the width of the straight line portion in a region where the straight line portions of the number of lead wires corresponding to the number of electrodes are adjacent to each other.
- Wmin is arbitrarily set such that the adjacent linear portions are most likely to be short-circuited so as to have a width such that they do not short-circuit, for example, 30 ⁇ m.
- the shape of the connecting portion between the portions having different widths in the linear portion is not particularly limited to that described in the first embodiment.
- the first portion 422b and the second portion 422c in the first embodiment will be described as an example, and the shapes of these connection portions will be described with reference to FIGS. 14 (a) to 14 (c).
- 14 (a) to 14 (c) are plan views showing modifications of the connecting portions of the portions in the linear portion according to the embodiment of the present invention.
- the center of the first portion 422b and the center of the second portion 422c may be aligned and connected in plan view.
- a step is formed on both sides of the first straight part 422 in plan view.
- the width of the first straight portion 422 in the first portion 422b may be gradually reduced toward the connecting portion of the first and second portions 422b and 422c.
- the first and second portions 422b and 422c are connected to the ⁇ X side of the first linear portion 422 so as to be substantially continuous on the side portion.
- the width of the first straight portion 422 in the first portion 422b may be gradually changed on the side of the first straight portion 422 on the + X side.
- the center of the first portion 422b and the center of the second portion 422c are aligned and connected to each other, and the both sides of the first straight portion 422 are connected.
- the width of the first straight portion 422 in the first portion 422b may be gradually changed.
- the base material 2 may be omitted from the touch sensor 1.
- a release sheet is provided on the lower surface of the resin portion 5, and the release sheet is peeled off at the time of mounting and adhered to a mounting target (film, surface glass, polarizing plate, display, etc.) and mounted.
- a wiring board may be configured.
- “resin portion 5” corresponds to an example of “resin portion” of the present invention
- “mounting object” corresponds to an example of “support” of the present invention.
- a wiring body or a wiring board may be configured as a form in which a resin portion that covers the first wiring body 3 is provided and the above-described mounting target is adhered and mounted via the resin portion.
- the touch sensor according to the above-described embodiment is a projected capacitive touch panel sensor including two conductor portions, but is not particularly limited thereto, and is a surface sensor (capacitor) including one conductor layer.
- the present invention can also be applied to a capacitive touch panel sensor.
- a mixture of a metal material and a carbon-based material may be used as the conductive powder of the conductor portion 4.
- a carbon-based material may be disposed on the top surface side of the conductor portion 4 and a metal-based material may be disposed on the contact surface side.
- a metal material may be disposed on the top surface side of the conductor portion 4 and a carbon material may be disposed on the contact surface side.
- the wiring body or the wiring board has been described as being used for a touch panel sensor in the above-described embodiment, the present invention is not particularly limited thereto.
- the wiring body may be used as a heater by energizing the wiring body and generating heat by resistance heating or the like.
- the mounting target on which the wiring body is mounted corresponds to an example of the “support” of the present invention.
- 1st fine wire 424 ... Contact surface 425 ... Top surface 426 ... Side surface 427, 427B ... Crevice 43, 43B, 43D ... 2nd drawer Wiring 431, 431D ... 2nd connection part 432, 432B, 432D ... 2nd direct Line part 432a ... 2nd edge part 432b ... 4th part 432c ... 5th part 433a, 433b ... 2nd thin wire 437 ... Crevice 44 ... 3rd extraction wiring 441 ... 3rd connection part 442 ... 3rd Straight line portion 442a ... Third end portions 443a, 443b ... Third fine wire 447 ... Clearance 451 to 453 ... First to third terminals 5 ...
- Resin portion 51 Flat portion 511 ... Upper surface 52 ... Projection portion 521 ... Contact Surface 522 ... Side surface 6 ... Second wiring body 7 ... Conductor portion 71 ... Electrode 72 ... Lead-out wiring 73 ... Terminal 8 ... Resin portion 11 ... Intaglio 111 ... Recess 12 ... Conductive material 13 ... Resin material
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Abstract
Description
文献の参照による組み込みが認められる指定国については、2015年12月25日に日本国に出願された特願2015-253194号に記載された内容を参照により本明細書に組み込み、本明細書の記載の一部とする。
W1>W2 … (1)
A1>A2 … (2)
但し、上記(1)式において、W1は、前記第1の部分における前記第1の直線部の幅であり、W2は、前記第2の部分における前記第1の直線部の幅であり、上記(2)式において、A1は、前記第1の部分における前記第1の直線部の開口率であり、A2は、前記第2の部分における前記第1の直線部の開口率である。
1.1≦A1/A2≦1.8 … (3)
A2>A3 … (4)
但し、上記(4)式において、A3は、前記第1の方向に直交する第2の方向において、前記第2の部分と隣り合う部分における前記第2の直線部の開口率である。
D1>D2 … (5)
但し、上記(5)式において、D1は、前記第1の部分における前記第1の直線部の密度であり、D2は、前記第2の部分における前記第1の直線部の密度である。
W2>W3 … (6)
A2>A4 … (7)
但し、上記(6)式において、W3は、前記第3の部分における前記第1の直線部の幅であり、上記(7)式において、A4は、前記第3の部分における前記第1の直線部の開口率である。
W4>W5 … (8)
A5>A6 … (9)
但し、上記(8)式において、W4は、前記第4の部分における前記第2の直線部の幅であり、W5は、前記第5の部分における前記第2の直線部の幅であり、上記(9)式において、A5は、前記第4の部分における前記第2の直線部の開口率であり、A6は、前記第5の部分における前記第2の直線部の開口率である。
W6>W7 … (10)
A7>A8 … (11)
但し、上記(10)式において、W6は、前記第1の接続部の直線部の幅であり、W7は、前記第2の接続部の幅であり、上記(11)式において、A7は、前記第1の接続部の開口率であり、A8は、前記第2の接続部の開口率である。
図1は本発明の第1実施形態に係るタッチセンサを示す平面図、図2は本発明の第1実施形態に係るタッチセンサを示す分解斜視図である。
W11>W12 … (12)
A11>A12 … (13)
1.1≦A11/A12≦1.8 … (14)
W16>W17 … (15)
A17>A18 … (16)
図8は本発明の第2実施形態に係る第1の配線体を示す平面図、図9は図8のIX部の部分拡大図、図10(a)は図9のXa-Xa線に沿った断面図、図10(b)は図9のXb-Xb線に沿った断面図、図10(c)は図9のXc-Xc線に沿った断面図である。
W22>W23 … (17)
A22>A24 … (18)
1.1≦A21/A24≦1.8 … (19)
W24>W25 … (20)
A25>A26 … (21)
図11は本発明の第3実施形態に係る第1の配線体を示す平面図であり、図1のIII部に相当する部分拡大図である。
W31>W32 … (22)
A31>A32 … (23)
図12は本発明の第4実施形態に係る第1の配線体を示す平面図であり、図1のIII部に相当する部分拡大図である。
A42>A43 … (24)
D1>D2 … (25)
(密度)=S/(h×w) … (26)
但し、上記(26)式において、hは第2の方向に沿った断面における直線部の高さであり、wは第2の方向に沿った断面における直線部の幅であり、Sは第2の方向に沿った断面における直線部の断面積である。
W=(N1/N2)×Wmin … (27)
但し、上記(27)式において、Wは求める部分における直線部の幅であり、N1は配線体における電極の数であり、N2は求める部分に対応する領域において第2の方向に並列する直線部の数であり、Wminは電極の数に対応した数の引出配線の直線部同士が相互に隣り合う領域における当該直線部の幅である。なお、Wminは、相互に隣り合う直線部同士が最も短絡し易い領域において、これらが短絡しない程度の幅となるように任意に設定されるものであり、たとえば30μmである。
2 … 基材
3,3B,3C,3D … 第1の配線体
4,4B … 導体部
411~413 … 第1~第3の電極
42,42B,42C … 第1の引出配線
421,421C … 第1の接続部
422,422B,422C … 第1の直線部
4221 … 主線部
4222 … 枝線部
4223 … スリット部
4224 … 分岐部
422a … 第1の端部
422b、422b1 … 第1の部分
422c … 第2の部分
422d … 第3の部分
423a,423b … 第1の細線
424 … 接触面
425 … 頂面
426 … 側面
427,427B … 隙間
43,43B,43D … 第2の引出配線
431,431D … 第2の接続部
432,432B,432D … 第2の直線部
432a … 第2の端部
432b … 第4の部分
432c … 第5の部分
433a、433b … 第2の細線
437 … 隙間
44 … 第3の引出配線
441 … 第3の接続部
442 … 第3の直線部
442a … 第3の端部
443a,443b … 第3の細線
447 … 隙間
451~453 … 第1~第3の端子
5 … 樹脂部
51 … 平坦部
511 … 上面
52 … 突出部
521 … 接触面
522 … 側面
6 … 第2の配線体
7 … 導体部
71 … 電極
72 … 引出配線
73 … 端子
8 … 樹脂部
11 … 凹版
111 … 凹部
12 … 導電性材料
13 … 樹脂材料
Claims (12)
- 第1の電極に接続された第1の引出配線と、
第2の電極に接続された第2の引出配線と、を備え、
前記第1の引出配線は、
前記第1の電極に接続された第1の接続部と、
前記第1の接続部が接続された第1の端部を有し、前記第1の接続部から屈曲して第1の方向に延在する第1の直線部と、を含み、
前記第2の引出配線は、
前記第2の電極に接続された第2の接続部と、
前記第2の接続部が接続された第2の端部を有し、前記第2の接続部から屈曲して前記第1の直線部と並列に延在する第2の直線部と、を含む配線体であって、
前記第1の直線部は、
前記第1の方向において前記第2の端部に対して前記第1の端部側に位置する第1の部分と、
前記第1の方向において前記第2の端部に対して前記第1の端部とは反対側に位置する第2の部分と、を含み、
下記(1)式及び(2)式を満たす配線体。
W1>W2 … (1)
A1>A2 … (2)
但し、上記(1)式において、W1は、前記第1の部分における前記第1の直線部の幅であり、W2は、前記第2の部分における前記第1の直線部の幅であり、上記(2)式において、A1は、前記第1の部分における前記第1の直線部の開口率であり、A2は、前記第2の部分における前記第1の直線部の開口率である。 - 請求項1に記載の配線体であって、
下記(3)式を満たす配線体。
1.1≦A1/A2≦1.8 … (3) - 請求項1又は2に記載の配線体であって、
前記第1の直線部の開口率は、40%以下である配線体。 - 請求項1~3のいずれか一項に記載の配線体であって、
前記第1の直線部は、
主線部と、
前記主線部と接続された少なくとも2つの枝線部と、
隣り合う前記枝線部同士の間に介在するスリット部と、
前記主線部から複数の前記枝線部に分岐する分岐部と、を含み、
前記分岐部は、前記第2の端部に対応して配されており、
前記第2の部分は、少なくとも2つの前記枝線部と前記スリット部とにより構成されている配線体。 - 請求項1~4のいずれか一項に記載の配線体であって、
下記(4)式を満たす配線体。
A2>A3 … (4)
但し、上記(4)式において、A3は、前記第1の方向に直交する第2の方向において、前記第2の部分と隣り合う部分における前記第2の直線部の開口率である。 - 請求項1~5のいずれか一項に記載の配線体であって、
前記第1の引出配線は、部分的に隙間が設けられるように構成されており、
前記第2の引出配線も、部分的に隙間が設けられるように構成されている配線体。 - 請求項1~6のいずれか一項に記載の配線体であって、
下記(5)式を満たす配線体。
D1>D2 … (5)
但し、上記(5)式において、D1は、前記第1の部分における前記第1の直線部の密度であり、D2は、前記第2の部分における前記第1の直線部の密度である。 - 請求項1~7のいずれか一項に記載の配線体であって、
前記配線体は、第3の電極に接続された第3の引出配線をさらに備え、
前記第3の引出配線は、
前記第3の電極に接続された第3の接続部と、
前記第3の接続部に接続された第3の端部を有し、前記第3の接続部から屈曲して前記第1の直線部と並列に延在する第3の直線部と、を含み、
前記第1の直線部は、前記第1の方向において前記第3の端部に対して前記第1の電極とは反対側に位置する第3の部分をさらに含み、
下記(6)式及び(7)式を満たす配線体。
W2>W3 … (6)
A2>A4 … (7)
但し、上記(6)式において、W3は、前記第3の部分における前記第1の直線部の幅であり、上記(7)式において、A4は、前記第3の部分における前記第1の直線部の開口率である。 - 請求項1~7のいずれか一項に記載の配線体であって、
前記配線体は、第3の電極に接続された第3の引出配線をさらに備え、
前記第3の引出配線は、
前記第3の電極に接続された第3の接続部と、
前記第3の接続部に接続された第3の端部を有し、前記第3の接続部から屈曲して前記第1の直線部と並列に延在する第3の直線部と、を含み、
前記第2の直線部は、
前記第1の方向において前記第3の端部に対して前記第2の電極側に位置する第4の部分と、
前記第1の方向において前記第3の端部に対して前記第2の電極とは反対側に位置する第5の部分と、を含み、
下記(8)式及び(9)式を満たす配線体。
W4>W5 … (8)
A5>A6 … (9)
但し、上記(8)式において、W4は、前記第4の部分における前記第2の直線部の幅であり、W5は、前記第5の部分における前記第2の直線部の幅であり、上記(9)式において、A5は、前記第4の部分における前記第2の直線部の開口率であり、A6は、前記第5の部分における前記第2の直線部の開口率である。 - 請求項1~9のいずれか一項に記載の配線体であって、
下記(10)式及び(11)式を満たす配線体。
W6>W7 … (10)
A7>A8 … (11)
但し、上記(10)式において、W6は、前記第1の接続部の直線部の幅であり、W7は、前記第2の接続部の幅であり、上記(11)式において、A7は、前記第1の接続部の開口率であり、A8は、前記第2の接続部の開口率である。 - 請求項1~10のいずれか一項に記載の配線体と、
前記配線体を支持する支持体と、を備える配線基板。 - 請求項11に記載の配線基板を備えるタッチセンサ。
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EP16878882.6A EP3396500A4 (en) | 2015-12-25 | 2016-12-22 | WIRING BODY, WIRING SUBSTRATE, AND TOUCH SENSOR |
US16/066,030 US20190018524A1 (en) | 2015-12-25 | 2016-12-22 | Wiring body, wiring board, and touch sensor |
JP2017513273A JP6271811B2 (ja) | 2015-12-25 | 2016-12-22 | 配線体、配線基板、及びタッチセンサ |
CN201680056494.2A CN108139826A (zh) | 2015-12-25 | 2016-12-22 | 配线体、配线基板以及触碰传感器 |
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JP2015-253194 | 2015-12-25 | ||
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EP (1) | EP3396500A4 (ja) |
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- 2016-12-22 CN CN201680056494.2A patent/CN108139826A/zh not_active Withdrawn
- 2016-12-22 WO PCT/JP2016/088328 patent/WO2017110995A1/ja active Application Filing
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US11301105B2 (en) | 2018-09-12 | 2022-04-12 | Samsung Display Co., Ltd. | Display devices |
US11635866B2 (en) | 2018-09-12 | 2023-04-25 | Samsung Display Co., Ltd. | Display devices |
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JP2022030138A (ja) * | 2020-08-06 | 2022-02-18 | グンゼ株式会社 | 静電容量式タッチパネル |
Also Published As
Publication number | Publication date |
---|---|
JPWO2017110995A1 (ja) | 2017-12-21 |
EP3396500A4 (en) | 2019-05-08 |
TWI625995B (zh) | 2018-06-01 |
TW201737770A (zh) | 2017-10-16 |
EP3396500A1 (en) | 2018-10-31 |
JP6271811B2 (ja) | 2018-01-31 |
US20190018524A1 (en) | 2019-01-17 |
CN108139826A (zh) | 2018-06-08 |
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