JPH0934626A - Coordinate input device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a coordinate input device capable of preventing the exposed part of a draw-out electrode from being peeled from a transparent resistance film when various kinds of heat treatment are applied to the coordinate input device. SOLUTION: A first transparent substrate 1 and a second transparent substrate 9 are arranged confronting with each other, and the transparent substrate 1 is provided with the transparent resistance film 2, a first transparent electrode 4 provided in a terminal area 3, a first draw-out electrode 5 connected to the transparent electrode 4, and a first insulating film 6 covering an area 3 edge part except for the exposed part 7 of the draw-out electrode 5 and including the draw-out electrode 5, and the second transparent substrate 9 is provided with the transparent resistance film 10, a second transparent electrode 12 provided in a terminal area 11 in a state intersecting orthogonally to the transparent electrode 4, a second draw-out electrode 13 connected to the transparent electrode 12, a third draw-out electrode 14 connected electrically to the draw-out electrode 5, and a second insulating film 15 covering an area 11 edge part except for the exposed part 16 of the draw-out electrode 14 confronting with the exposed part 7 and including the draw-out electrodes 13, 14, and a conductive transfer 8 is adhered by arranging between the exposed parts 7, 16, and the periphery of the exposed parts 13, 14 on which the transfer 8 is adhered are covered with the expansion parts of the insulating film 6, 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coordinate input device,
In particular, in a pen-input type coordinate input device that inputs data by operating the operation area with an input pen or a finger, etc., when a conductive transfer is adhesively arranged between exposed portions of the extraction electrode, the extraction electrode is exposed. The present invention relates to a coordinate input device including means for preventing a part from peeling off.

[0002]

2. Description of the Related Art Generally, a coordinate input device in which data is input by operating an operation area with an input pen or the like includes a first transparent substrate and a second transparent substrate each having an electrode formation surface on one side. The first transparent substrate has a configuration in which the formation surface is opposed to each other, and the first transparent substrate includes a first transparent electrode provided at an end portion of the operation area of the electrode formation surface and a first extraction electrode connected to the first transparent electrode. A first outer surface of the operation area is covered except for the exposed portion of the first extraction electrode including the first extraction electrode.
A second transparent substrate having an insulating film, and a second transparent substrate provided at an end portion of the operation area of the electrode formation surface so as to be substantially orthogonal to the first transparent electrode.
A transparent electrode, a second extraction electrode connected to the second transparent electrode, a third extraction electrode conductively connected to the first extraction electrode, and an exposed portion of the third extraction electrode facing the exposed portion of the first extraction electrode And a second insulating film that covers the peripheral portion of the operation region including the second and third extraction electrodes, and a conductive transfer is adhesively arranged between the exposed portions of the first and third extraction electrodes. It was done.

4 to 5 are configuration diagrams showing an example of such a known coordinate input device, and FIG. 4 (a) is a plan view of a first transparent substrate which is one of the components of the coordinate input device. 4 (b) is a plan view of a second transparent substrate which is also one of the constituent elements of the coordinate input device, and FIG. 5 (a) is a plan view of the coordinate input device shown in FIG. A in b)
FIG. 5B is a cross-sectional view taken along the line A ′, and FIG. 5B shows B- in FIGS. 4A and 4B when the coordinate input device is also configured.
It is a sectional view of a B'line portion.

First, in FIGS. 4 (a) and 4 (b), 41
Is a film substrate (first transparent substrate), 42 is an ITO film (transparent resistance film made of indium oxide), 43 is an operation area,
Reference numeral 44 is a Y-axis direction parallel electrode (first transparent electrode), 45 is a lead electrode (first lead electrode) of the parallel electrode 44, 46 is a first insulating film, 47 is an exposed portion of the lead electrode 45, and 48 is a conductive transfer. , 49 is a glass substrate (second transparent electrode), 50 is I
TO film (transparent resistance film made of indium oxide), 51 is an operation region, 52 is an X-axis direction parallel electrode (second transparent electrode),
53 is an extraction electrode (second extraction electrode) of the parallel electrode 52, 54
Is an extraction electrode (third extraction electrode) of the parallel electrode 44 on the glass substrate 49 side, 55 is an exposed portion of the extraction electrode 54, 56 is a second insulating film, and 57 is a terminal connection portion.

Then, as shown in FIG. 4A, an ITO film 42 is formed on one surface (electrode forming surface) of the film substrate 41, and the central portion of the ITO film 42 is the operation area 43.
Is composed. Y-axis direction parallel electrodes 44 are formed along both longitudinal edges of the operation region 43, and extraction electrodes 45 connected to the parallel electrodes 44 are formed.
A first insulating film 46 is provided in the peripheral portion of the ITO film 42 excluding the operation region 43, and a lead electrode 45 is embedded in the first insulating film 46. A part of the extraction electrode 45 is exposed without being covered with the first insulating film 46, and an exposed portion 47 is formed.

Further, as shown in FIG. 4B, an ITO film 50 is formed on one surface (electrode forming surface) of the glass substrate 49, and the central portion of the ITO film 50 constitutes an operation area 51. . X along both lateral edges of the operation area 51
Axial parallel electrodes 52 are formed and these parallel electrodes 52 are
Extraction electrode 53 and other extraction electrode 5 connected to each
4 are formed respectively. ITO excluding the operation area 51
The second insulating film 56 is provided in the peripheral portion of the film 50, and the extraction electrode 53 and the other extraction electrode 54 are embedded in the second insulating film 56. A part of the other extraction electrode 54 is formed by the second insulating film 5.
6 is exposed without being covered, and an exposed portion 55 is formed there. A slightly protruding terminal connecting portion 57 is provided in the center of one circumferential edge of the glass substrate 49, and the lead electrode 53 and another lead electrode 54 are connected to the terminal connecting portion 57, respectively.

Next, in FIGS. 5A and 5B, 58
Is a spacer, and the same components as those shown in FIGS. 4A and 4B are denoted by the same reference numerals.

Then, as shown in FIG. 5A, the ITO film 42 is mounted on one surface (electrode formation surface) of the film substrate 41, and the Y-axis is formed on both longitudinal end edges of the operation area 43 of the ITO film 42. The direction parallel electrodes 44 are formed, and the first insulating film 46 is formed on the peripheral edge of the ITO film 42. The ITO film 50 is attached to one surface (electrode formation surface) of the glass substrate 49, the second insulating film 56 is formed on the peripheral edge of the ITO film 50, and the extraction electrode 54 is embedded in the second insulating film 56. In this case, a plurality of regularly arranged flexible spacers 58 are erected between the operation area 43 on the side of the film substrate 41 and the operation area 51 on the side of the glass substrate 49 to form a coordinate input device.

Further, as shown in FIG. 5B, when the coordinate input device is constructed, the exposed portion 47 of the extraction electrode 45 on the film substrate 41 side and the extraction electrode 54 on the glass substrate 49 side.
The conductive transfer 48 is arranged between the exposed portion 55 and the exposed portion 55 of the lead electrode 45, and the exposed portion 4 of the conductive transfer 48 and the extraction electrode 45 is disposed.
7, and the conductive transfer 48 and the extraction electrode 5
The adhesive between the exposed portion 55 of the lead electrode 45 and the exposed portion 55 of the lead electrode 45 is performed by the adhesive force when the conductive transfer 48 and the exposed portions 47 and 55 made of silver (Ag) are brought into contact with each other. The conductive connection with the exposed portion 55 of the extraction electrode 54 is achieved.

In the coordinate input device having the above structure, the surface of the operation area 43 on the side of the film substrate 41 is pressed by an input pen or a finger (not shown), and both ITO films are resisted against the plurality of flexible spacers 58. With 42 and 50 in contact,
When a desired character or figure is input, the coordinate position on the coordinate input device that accompanies the pressing movement of the input pen is sequentially detected, and the input character or figure can be recognized by the coordinate input device. Since the operation of this coordinate input device is obvious to those skilled in the art, the operation of such a known pen input type coordinate input device will not be described further.

[0011]

The known coordinate input device has a film substrate 41 as shown in FIG. 5 (b).
Between the exposed portion 47 of the lead-out electrode 45 on the side and the exposed portion 55 of the lead-out electrode 54 on the glass substrate 49 side.
When 8 is adhered and arranged, the heat shrinkage rate between the film substrate 41 and the exposed portion 55 of the extraction electrode 54 when the heat treatment for fixing the conductive transfer 48 is subsequently performed on the coordinate input device. Is very different,
A large displacement stress is applied to the interface between the film substrate 41 and the exposed portion 55 of the extraction electrode 54, and the large displacement stress causes shearing at the interface between the ITO film 42 and the exposed portion 55 of the extraction electrode 54, and finally the extraction electrode 54. Exposed part 55 of IT
There is a problem that it is separated from the O film 42.

The present invention solves such a problem, and an object thereof is to prevent the exposed portion of the extraction electrode from peeling off from the transparent resistance film when various heat treatments are performed on the coordinate input device. It is to provide a coordinate input device.

[0013]

In order to achieve the above-mentioned object, the present invention provides a first transparent substrate and a second transparent substrate, one surface of which is an electrode forming surface, facing each other with the electrode forming surface inside. The first transparent substrate, a transparent resistance film formed on the one surface, a first transparent electrode provided in an end region of the transparent resistance film, a first extraction electrode connected to the first transparent electrode,
An electrode formation surface is configured by a first insulating film that covers the peripheral portion of the region including the first extraction electrode except the exposed portion of the first extraction electrode, and the second transparent substrate is formed on the one surface. The formed transparent resistance film, a second transparent electrode provided in an end region of the transparent resistance film so as to be substantially orthogonal to the first transparent electrode, and a second extraction electrode connected to the second transparent electrode. A third lead electrode that is conductively connected to the first lead electrode and an exposed portion of the third lead electrode that faces the exposed portion of the first lead electrode. An electrode forming surface is constituted by the second insulating film covering the three extraction electrodes, and a conductive transfer is arranged and bonded between the exposed portions of the first and third extraction electrodes, and the conductive transfer is bonded. Said first and / or third
A means for covering the periphery of the exposed portion of the extraction electrode with the expanded portion of the first and / or second insulating film is provided.

[0014]

According to the above means, when the conductive transfer is adhesively arranged between the exposed portion of the first extraction electrode and the exposed portion of the third extraction electrode, the exposed portion of the first extraction electrode and the conductive transfer are bonded together. The upper side of the non-adhesive region around the region is covered with the expanded portion of the first insulating film, and the upper side of the non-adhesive region around the adhesive region between the exposed portion of the third extraction electrode and the conductive transfer is covered with the second insulating film. When the coordinate input device is subjected to various heat treatments, the transparent resistance film and the exposed portion of the first extraction electrode and / or the transparent resistance film and the third extraction electrode are covered. As a result of the large difference in thermal shrinkage between the exposed portions of the transparent conductive film and the exposed portion of the first extraction electrode and / or between the transparent resistive film and the exposed portion of the third extraction electrode, a shift stress is generated. However, the displacement stress of the exposed portion of the first extraction electrode is It is suppressed by the extension portion of the first insulating film covering the upper side of the adhesion region and the extension portion of the second insulating film covering the non-adhesion region above the non-adhesion region of the exposed portion of the third extraction electrode. Shear does not occur between the exposed portion of the first extraction electrode and / or between the transparent resistance film and the exposed portion of the third extraction electrode, and the exposed portion of the first extraction electrode is separated from the transparent resistance film. Alternatively, the exposed portion of the third extraction electrode will not be peeled off from the transparent resistance film.

[0015]

Embodiments of the present invention will be described below in detail with reference to the drawings.

1 to 3 are block diagrams showing an embodiment of a coordinate input device according to the present invention, and FIG. 1 (a) is a first transparent substrate which is one of the components of the coordinate input device. FIG. 1 (b) is a plan view of a second transparent substrate which is also one of the constituent elements of the coordinate input device, and FIG. 2 (a) is a plan view of FIG. ) And (b) are cross-sectional views taken along the line CC ', and FIG. 2 (b) is a sectional view taken along line D- in FIG. 1 (a) and (b) when the coordinate input device is also configured.
FIG. 4A is a transverse cross-sectional view taken along line D ′ of FIG. 3A to FIG.
FIG. 6 is a configuration diagram showing various examples of an extraction electrode to which a conductive transfer is adhesively arranged in a coordinate input device.

First, in FIGS. 1A and 1B, 1
Is a film substrate (first transparent substrate), 2 is an ITO film (transparent resistance film made of indium oxide), 3 is an operating region, 4 is a Y-axis direction parallel electrode (first transparent electrode), 5 is a parallel electrode 4 extraction Electrode (first extraction electrode), 6 is a first insulating film, 7 is an exposed portion of the extraction electrode 5, 8 is a conductive transfer, 9 is a glass substrate (second transparent substrate), 10 is an ITO film (transparent resistance film) , 11 is an operation area, 12 is a parallel electrode in the X-axis direction (second
Transparent electrode), 13 is an extraction electrode of the parallel electrode 12 (second extraction electrode), 14 is an extraction electrode of the parallel electrode 4 on the glass substrate 9 side (third extraction electrode), 15 is a second insulating film, 16 is an extraction electrode 14 Is an exposed portion, 17 is a dummy electrode, and 18 is a connection terminal portion.

As shown in FIG. 1A, the ITO film 2 is mounted on the entire one surface (electrode forming surface) of the film substrate 1, and the central portion of the ITO film 2 constitutes the operation area 3. There is. The Y-axis direction parallel electrodes 4 are formed along both longitudinal edges of the operation region 3, and the extraction electrodes 5 connected to the parallel electrodes 4 are formed. A first insulating film 6 is provided in the peripheral portion of the ITO film 2 excluding the operation area 3.
The extraction electrode 5 is embedded in the first insulating film 6. Extraction electrode 5
Is exposed without being covered with the first insulating film 6, and an exposed portion 7 is formed.

Further, as shown in FIG. 1B, the ITO film 10 is mounted on the entire one surface (electrode formation surface) of the glass substrate 9, and the central portion of the ITO film 10 constitutes the operation area 11. There is. X-axis direction parallel electrodes 12 are formed along both lateral edges of the operation area 11.
A lead electrode 13 connected to the parallel electrode 4, another lead electrode 14 conductively connected to the parallel electrode 4, and a dummy electrode 17 arranged orthogonal to the X-axis direction parallel electrode 12 are formed. A second insulating film 15 is provided in the peripheral portion of the ITO film 10 excluding the operation region 11, and the extraction electrode 13, another extraction electrode 14, and a dummy electrode 17 are embedded in the second insulating film 15. A part of the other extraction electrode 14 is exposed without being covered with the second insulating film 15, and an exposed portion 16 is formed. At this time, the arrangement position of the exposed portion 16 on the glass substrate 9 side is provided at a position opposite to the arrangement position of the exposed portion 7 on the film substrate 1 side when the film substrate 1 is overlaid on the glass substrate 9. As shown in (b), a conductive transfer 8 is adhesively arranged between the exposed portion 7 and the exposed portion 16. By providing the dummy electrodes 17, the left and right heights of the glass substrate 9 can be made the same.

Next, in FIGS. 2A and 2B, 19
Is a spacer, 20 is an extension of the first insulating film 6, and 21 is a second
It is an expanded portion of the insulating film 15, and in addition, FIG.
The same components as those shown in (b) are designated by the same reference numerals.

Then, as shown in FIG. 2A, an ITO film 2 is formed on one surface (electrode forming surface) of the film substrate 1, and the Y-axis direction parallel electrode 4 and the first insulating film are formed on the ITO film 2. 6 are formed respectively. Here, the Y-axis direction parallel electrode 4
Are formed on both side edges of the ITO film 2 in the vertical direction in the operation region 3, and the first insulating film 6 is formed on the periphery of the ITO film 2. On the other hand, ITO is formed on one surface (electrode formation surface) of the glass substrate 9.
The film 10 is formed, and the extraction electrodes 13 and 1 are formed on the ITO film 10.
4 and the second insulating film 15 are formed respectively. in this case,
The second insulating film 15 is formed around the ITO film 10, and the extraction electrodes 13 and 14 are embedded in the second insulating film 15. A plurality of regularly arranged flexible spacers 19 are erected between the operation area 2 on the side of the film substrate 1 and the operation area 11 on the side of the glass substrate 9 to form a coordinate input device as a whole. It

Further, as shown in FIG. 2B, when the coordinate input device is constructed, the exposed portion 7 of the extraction electrode 5 on the film substrate 1 side and the other extraction electrode 14 on the glass substrate 9 side are exposed. The conductive transfer 8 is bonded and arranged between the part 16 and the part 16. Then, the first insulating film 6 and the second insulating film 15 are formed with extended portions 20 and 21 that cover a part of the extraction electrode 5 of the exposed portion 7 and the extraction electrode 14 of the exposed portion 16, respectively. , 16 on which the conductive transfer 8 is placed and adhered. In this case, the area of the bonded portion between the conductive transfer 8 and the exposed portion 7 becomes smaller than the area of the exposed portion 7,
Moreover, the area of the bonded portion between the conductive transfer 8 and the exposed portion 16 becomes smaller than the area of the exposed portion 16, and when the conductive transfer 8 is bonded and arranged on the exposed portion 7 and the exposed portion 16, respectively, the conductive Forming a non-bonded region of the exposed portion 7 around the bonded portion between the conductive transfer 8 and the exposed portion 7, and forming a non-bonded region of the exposed portion 16 around the bonded portion between the conductive transfer 8 and the exposed portion 16. . The covering region of the first insulating film 6 is expanded to the upper side of the non-bonding region of the exposed portion 7
The expanded portion 20 of the insulating film 6 is formed, and the covering region of the second insulating film 15 is expanded to the upper side of the non-bonding region of the exposed portion 16 to form the second portion.
The expanded portion 21 of the insulating film 15 is formed. As a result, the extraction electrodes 5 and 6 are partially covered with the extension portions 20 and 21, and the conductive transfer 8 extension portions 20 and 21 and the exposed portions 7 and 16 are covered.
Adhered to.

Further, in FIGS. 3A, 3B, and 3C, 22 is a bonding area between the conductive transfer 8 and the exposed portions 7 and 16, and 23 is a non-bonding area between the exposed portions 7 and 16. In addition, the same components as those shown in FIGS. 1A and 1B are denoted by the same reference numerals.

3A shows an example in which the extraction electrodes 5 and 14 near the exposed portions 7 and 16 are formed in a + shape, and FIG. 3B shows the exposed portions 7 and 16 and their vicinity. 3C is an example in which the shape of the extraction electrodes 5 and 14 is formed in a triangular shape, and FIG. 3C illustrates an example in which the shapes of the extraction electrodes 5 and 14 near the exposed portions 7 and 16 are formed into a round shape. In any of the examples, the area of the adhesive area 22 between the conductive transfer 8 and the exposed areas 7 and 16 is smaller than the area of the exposed areas 7 and 16, and the area around the adhesive area 22 is small. The non-bonding area 23 is formed, and the first non-bonding area 23 is formed above the non-bonding area 23.
Extended portion 20 of insulating film 6 or extended portion 2 of second insulating film 15
1 is formed.

In the pen-input type coordinate input device of the present embodiment having the above-described structure, the operation for inputting coordinates using the input pen is the same as the operation for inputting coordinates in a known pen-input type coordinate input device. Since the operation is obvious to those skilled in the art as described above, the description of the coordinate input operation in the pen input type coordinate input device of the present embodiment will be omitted.

In this case, in the coordinate input device of this embodiment, when the conductive transfer 8 is bonded and arranged between the exposed portion 7 of the extraction electrode 5 and the exposed portion 16 of the extraction electrode 14, the exposed portion 7 and the conductive transfer 8 are arranged. The non-adhesive region 23 around the adhesive region 22 is covered with the expanded portion 20 of the first insulating film 6, and the upper side of the non-adhesive region 23 around the exposed region 16 and the adhesive region 22 of the conductive transfer 8 is covered. Since the second insulating film 15 is covered with the expanded portion 21, the ITO film 2 and the exposed portion 7 and / or the ITO film 10 and the exposed portion 16 are not exposed when various heat treatments are performed on the coordinate input device. Even if a displacement stress occurs between the ITO film 2 and the exposed portion 7 and / or between the ITO film 10 and the exposed portion 16 due to a large difference in heat shrinkage, the displacement stress is generated on the upper side of the exposed portion 7. First coating It is suppressed by the expanded portion 20 of the film 6 and the expanded portion 21 of the second insulating film 15 covering the upper side of the exposed portion 16, and the exposed portion 7 is separated from the ITO film 2 or the exposed portion 16 is formed by the ITO film. It does not peel off from 10.

Since the glass substrate 9 has a heat shrinkage smaller than that of the film substrate 1 due to the heat treatment, the above-mentioned expanded portion may be provided only on the film substrate 1 side.

[0028]

As described in detail above, according to the present invention, the exposed portion 7 of the first extraction electrode 5 and the third extraction electrode 14 are provided.
When the conductive transfer 8 is adhesively arranged between the exposed portions 16 of the
2 is covered with the expanded portion 20 of the first insulating film 6 around the non-bonded region 23, and the upper side of the non-bonded region 23 around the bonded region 22 between the exposed portion 16 and the conductive transfer 8 is covered with the second region. Since the expanded portion 21 of the insulating film 15 is covered, when various heat treatments are performed on this coordinate input device, the transparent resistance film 2 and the exposed portion 7 and / or the transparent resistance film 10 and the exposed portion 16 are exposed. Due to the large difference in heat shrinkage,
Even if a shear stress is generated between the transparent resistance film 2 and the exposed portion 7 and / or between the transparent resistance film 10 and the exposed portion 16, the shear stress is applied to the upper side of the exposed portion 7. It is suppressed by the expanded portion 20 of the insulating film 6 and the expanded portion 21 of the second insulating film 15 covering the upper side of the exposed portion 16,
No shearing occurs between the transparent resistance film 2 and the exposed portion 7 and / or between the transparent resistance film 10 and the exposed portion 16,
There is an effect that the exposed portion 7 does not peel off from the transparent resistance film 2 or the exposed portion 16 does not peel off from the transparent resistance film 10.

[Brief description of drawings]

FIG. 1 is a first example of an embodiment of a coordinate input device of the present invention.
It is a top view of a transparent substrate and a 2nd transparent substrate.

2 is a cross-sectional view of each part in one embodiment of the coordinate input device shown in FIG.

3A to 3C are configuration diagrams showing various examples of extraction electrodes to which a conductive transfer is adhesively arranged in the coordinate input device shown in FIG.

FIG. 4 is a plan view of a first transparent substrate and a second transparent substrate in an example of a known coordinate input device.

5 is a cross-sectional view of each part in the example of the known coordinate input device shown in FIG.

[Explanation of symbols]

1 film substrate (first transparent substrate) 2, 10 ITO film (transparent resistance film made of indium oxide) 3, 11 operation region 4 Y-axis direction parallel electrode (first transparent electrode) 5 extraction electrode of parallel electrode 4 (first) Extraction electrode) 6 First insulating film 7 Exposed portion of extraction electrode 5 8 Conductive transfer 9 Glass substrate (second transparent substrate) 12 X-axis direction parallel electrode (second transparent electrode) 13 Extraction electrode of parallel electrode 12 (second) Lead-out electrode) 14 Lead-out electrode of parallel electrode 4 on the substrate 9 side (third lead-out electrode) 15 Second insulating film 16 Exposed portion of lead-out electrode 14 Dummy electrode 18 Connection terminal portion 19 Spacer 20 Extended portion of first insulating film 6 21 Extended portion 22 of second insulating film 15 Adhesive area 23 Non-adhesive area

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masaki Ito 1-7 Yukiya Otsuka-cho, Ota-ku, Tokyo Alps Electric Co., Ltd. (72) Takashi Nishiyama 1-7 Yukiya Otsuka-cho, Ota-ku, Tokyo Alp Su Electric Co., Ltd.

Claims (3)

[Claims] 1. A first transparent substrate having one surface as an electrode formation surface and a second transparent substrate are arranged so as to face each other with the electrode formation surface as an inner side, and the first transparent substrate is a transparent resistance film formed on the one surface. A first transparent electrode provided in an end region of the transparent resistance film, and a first extraction electrode connected to the first transparent electrode,
An electrode formation surface is configured by a first insulating film that covers the peripheral portion of the region including the first extraction electrode except the exposed portion of the first extraction electrode, and the second transparent substrate is formed on the one surface. The formed transparent resistance film, a second transparent electrode provided in an end region of the transparent resistance film so as to be substantially orthogonal to the first transparent electrode, and a second extraction electrode connected to the second transparent electrode. A third lead electrode that is conductively connected to the first lead electrode and an exposed portion of the third lead electrode that faces the exposed portion of the first lead electrode. An electrode forming surface is constituted by the second insulating film covering the three extraction electrodes, and a conductive transfer is arranged and bonded between the exposed portions of the first and third extraction electrodes, and the conductive transfer is bonded. Said first and / or third
A coordinate input device characterized in that the periphery of the exposed portion of the extraction electrode is covered with the expanded portion of the first and / or second insulating film. 2. The coordinate input device according to claim 1, wherein the shape of each of the exposed portions of the first and third extraction electrodes is a round shape, a + shape, or a triangular shape. 3. The coordinate input device according to claim 1, wherein the first transparent substrate is a film substrate, and the second transparent substrate is a glass or film substrate.