JP2002132449A - Transparent touch panel and its manufacturing method - Google Patents
Transparent touch panel and its manufacturing methodInfo
- Publication number
- JP2002132449A JP2002132449A JP2000323678A JP2000323678A JP2002132449A JP 2002132449 A JP2002132449 A JP 2002132449A JP 2000323678 A JP2000323678 A JP 2000323678A JP 2000323678 A JP2000323678 A JP 2000323678A JP 2002132449 A JP2002132449 A JP 2002132449A
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- Japan
- Prior art keywords
- transparent
- electrode
- conductor layer
- substrate
- transparent conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Manufacture Of Switches (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Push-Button Switches (AREA)
- Position Input By Displaying (AREA)
Abstract
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】本発明は、電子機器の液晶表
示素子等の上に取り付けられて、表示内容と対応しなが
ら指先等で入力可能な透明タッチパネルおよびその製造
方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transparent touch panel which is mounted on a liquid crystal display element of an electronic device and can be inputted with a fingertip or the like while corresponding to display contents, and a method of manufacturing the same.
【０００２】[0002]
【従来の技術】電子機器に用いられる透明タッチパネル
およびその製造方法としては、特開平８−２０３３８２
号公報に示されたように、ドットスペーサを挟んで対向
する透明導電体層を形成した二枚の基板を指先等の押圧
により部分接触させ、上下各基板に印加された電圧の分
圧を測定することによって接触位置を検知するものがよ
く知られており、このような透明タッチパネルについて
図６、図７を用いて説明する。2. Description of the Related Art Japanese Patent Application Laid-Open No. 8-203382 discloses a transparent touch panel used for electronic equipment and a method for manufacturing the same.
As shown in the publication, two substrates having transparent conductor layers opposed to each other with a dot spacer interposed therebetween are brought into partial contact by pressing a fingertip or the like, and a partial pressure of a voltage applied to each of the upper and lower substrates is measured. It is well-known that the touch position is detected by performing the operation. Such a transparent touch panel will be described with reference to FIGS.
【０００３】図６は従来の透明タッチパネルの分解斜視
図であり、同図において、１は透明な可撓性絶縁基板か
らなる上基板で、この下面のほぼ全体に薄膜状の第一透
明導電体層３が形成され、２は透明な絶縁材料からなる
下基板で、この上面の周囲部を除く中央部分に薄膜状の
第二透明導電体層４が形成され、その表面の所定位置に
ドットスペーサ５（図７参照）が設けられている。FIG. 6 is an exploded perspective view of a conventional transparent touch panel. In FIG. 6, reference numeral 1 denotes an upper substrate made of a transparent flexible insulating substrate. A lower substrate 2 made of a transparent insulating material is provided with a second transparent conductor layer 4 in the form of a thin film at a central portion except a peripheral portion of the upper surface, and a dot spacer is formed at a predetermined position on the surface. 5 (see FIG. 7).
【０００４】そして、下基板２には、第二透明導電体層
４の平行する一方の端部の全長に接続して、第二透明導
電体層４に均一に電圧分布させるための第二給電電極６
Ａ，６Ｂが設けられ、第二引回し電極７Ａ，７Ｂによっ
て下基板２の一側部の導出部１０に導かれていると共
に、第二透明導電体層４の平行する他方の端部の近くに
は、絶縁間隔をあけて、第二透明導電体層４の端部の長
さにほぼ等しい細長の接続電極８Ａ，８Ｂが設けられ、
同様に第一引回し電極９Ａ，９Ｂによって下基板１の一
側部の導出部１０に導かれている。The lower substrate 2 is connected to the entire length of one parallel end of the second transparent conductor layer 4 to provide a second power supply for uniformly distributing a voltage to the second transparent conductor layer 4. Electrode 6
A and 6B are provided and guided to the lead-out portion 10 on one side of the lower substrate 2 by the second routing electrodes 7A and 7B, and near the other parallel end of the second transparent conductor layer 4. Are provided with elongated connection electrodes 8A and 8B which are substantially equal to the length of the end of the second transparent conductor layer 4 at an insulating interval.
Similarly, it is led to the lead-out portion 10 on one side of the lower substrate 1 by the first routing electrodes 9A and 9B.
【０００５】更に、第二引回し電極７Ａ，７Ｂと第一引
回し電極９Ａ，９Ｂの周囲および導出部１０の根元部上
に絶縁レジスト層１１が設けられると共に、その上部の
全周に亘り絶縁性接着層１２が設けられており、上記の
接続電極８Ａ，８Ｂはこの絶縁性接着層１２よりも少し
高くなるように設定されている。Further, an insulating resist layer 11 is provided around the second routing electrodes 7A, 7B and the first routing electrodes 9A, 9B and on the base of the lead-out portion 10, and is insulated all around the upper portion. An insulating adhesive layer 12 is provided, and the connection electrodes 8A and 8B are set to be slightly higher than the insulating adhesive layer 12.
【０００６】そして、このような構成の上基板１と下基
板２を、図７の正面断面図に示すように、第一透明導電
体層３と第二透明導電体層４が対向するように重ね合わ
せ、上基板１の上から加熱加圧することによって両者を
絶縁性接着層１２により貼り合わせると共に、接続電極
８Ａ，８Ｂを上基板１の第一透明導電体層３に接続させ
て、接続電極８Ａ，８Ｂが第一透明導電体層３の給電電
極としての役目をする透明タッチパネルとするものであ
った。Then, the upper substrate 1 and the lower substrate 2 having such a structure are placed such that the first transparent conductor layer 3 and the second transparent conductor layer 4 face each other as shown in the front sectional view of FIG. By overlapping and applying heat and pressure from above the upper substrate 1, the two are adhered to each other with the insulating adhesive layer 12, and the connection electrodes 8 A and 8 B are connected to the first transparent conductor layer 3 of the upper substrate 1. The transparent touch panels 8A and 8B serve as power supply electrodes for the first transparent conductive layer 3.
【０００７】なお、１３はこの透明タッチパネルを使用
機器の回路に電気接続するためのフレキシブル基板であ
る。Reference numeral 13 denotes a flexible substrate for electrically connecting the transparent touch panel to a circuit of a device to be used.
【０００８】[0008]
【発明が解決しようとする課題】しかしながら上記従来
の透明タッチパネルおよびその製造方法においては、接
続電極８Ａ，８Ｂの全体が絶縁性接着層１２よりも均等
に少し高くなるように形成すること、および上基板１と
下基板２を重ねて絶縁性接着層１２により貼り合わせた
後、上基板１の上から接続電極８Ａ，８Ｂを均一に加熱
加圧して、細長の接続電極８Ａ，８Ｂの全体を上基板１
の第一透明導電体層３に完全に接続させる加工が難し
く、検査も含めた管理に手間がかかるという課題があっ
た。However, in the above-mentioned conventional transparent touch panel and the method of manufacturing the same, the connection electrodes 8A and 8B are formed so as to be even slightly higher than the insulating adhesive layer 12. After the substrate 1 and the lower substrate 2 are overlaid and bonded by the insulating adhesive layer 12, the connection electrodes 8A and 8B are uniformly heated and pressed from above the upper substrate 1 so that the entire elongated connection electrodes 8A and 8B are raised. Substrate 1
However, there is a problem that it is difficult to completely connect the first transparent conductive layer 3 to the first transparent conductive layer 3, and it takes time and effort to perform management including inspection.
【０００９】本発明は、このような従来の課題を解決す
るものであり、接続電極部分の形成方法、および接続電
極を介して上基板の第一透明導電体層を下基板の第一引
回し電極に接続させる部分の加工が容易であると共に、
両者を確実に安定して接続させることができて、検査も
含めた管理に手間がかからない透明タッチパネルおよび
その製造方法を提供することを目的とする。SUMMARY OF THE INVENTION The present invention solves such a conventional problem. A method of forming a connection electrode portion, and a method of forming a first transparent conductor layer of an upper substrate on a first wiring of a lower substrate via the connection electrode. It is easy to process the part to be connected to the electrode,
An object of the present invention is to provide a transparent touch panel and a method of manufacturing the transparent touch panel, which can reliably and stably connect the two, and does not require any troublesome management including inspection.
【００１０】[0010]
【課題を解決するための手段】上記目的を達成するため
に本発明は、以下の構成を有するものである。To achieve the above object, the present invention has the following arrangement.
【００１１】本発明の請求項１に記載の発明は、透明な
可撓性絶縁基板の下面に第一透明導電体層を形成し、そ
の平行な端部に一対の細長い第一給電電極を設けた上基
板と、この上基板と対向した透明な絶縁基板の上面に、
第一透明導電体層と対向して第二透明導電体層、および
これと絶縁して上記第一給電電極と対向する一対の第一
引回し電極を形成すると共に、この第一引回し電極と略
直交する側の第二透明導電体層の平行な端部に一対の第
二給電電極およびこれと導通した第二引回し電極を設け
た下基板と、上基板の第一給電電極と下基板の第一引回
し電極の間を所定の位置でスポット的に接続する接続電
極と、この接続電極の周囲を小窓状に囲うと共に、第一
透明導電体層および第二透明導電体層の外周部を枠状に
囲うように接着する絶縁性接着層からなり、上基板の所
望の位置を押圧することにより第一透明導電体層と第二
透明導電体層が部分接触し、第一引回し電極および第二
引回し電極から接触位置を検出する信号が導出される透
明タッチパネルとしたものであり、接続電極を介して上
基板の第一透明導電体層を下基板の第一引回し電極に接
続させる部分の形成・加工が容易であると共に、両者を
確実に安定して接続させることができて、検査も含めた
管理に手間がかからない透明タッチパネルを実現できる
という作用効果が得られる。According to the first aspect of the present invention, a first transparent conductor layer is formed on a lower surface of a transparent flexible insulating substrate, and a pair of elongated first power supply electrodes are provided at parallel ends thereof. Upper substrate, and on the upper surface of a transparent insulating substrate facing the upper substrate,
A second transparent conductor layer opposed to the first transparent conductor layer, and a pair of first leading electrodes insulated therefrom and facing the first power supply electrode, and the first leading electrode and A lower substrate provided with a pair of second power supply electrodes and a second routing electrode that is electrically connected to the pair of second power supply electrodes at parallel ends of the second transparent conductor layer on a substantially orthogonal side, and a first power supply electrode and a lower substrate of an upper substrate A connection electrode that spot-connects between the first routing electrodes at a predetermined position, surrounding the connection electrode in a small window shape, and surrounding the first transparent conductor layer and the second transparent conductor layer. The first transparent conductor layer and the second transparent conductor layer are partially in contact with each other by pressing a desired position on the upper substrate, and the first wiring is formed. A transparent touch panel from which a signal for detecting a contact position is derived from the electrode and the second wiring electrode; It is easy to form and process the part that connects the first transparent conductor layer of the upper substrate to the first routing electrode of the lower substrate via the connection electrode, and to connect both parts reliably and stably. As a result, it is possible to obtain a transparent touch panel that does not require any troublesome management including inspection.
【００１２】本発明の請求項２に記載の発明は、請求項
１記載の発明において、特に、上基板の第一透明導電体
層と下基板の第二透明導電体層の間が絶縁性接着層によ
り密閉されているものであり、上基板が自重により下が
って、上下基板が部分的に接近することにより発生する
ニュートンリングを防止できるという作用効果が得られ
る。According to a second aspect of the present invention, in the first aspect of the present invention, in particular, an insulating adhesive is provided between the first transparent conductive layer of the upper substrate and the second transparent conductive layer of the lower substrate. The layer is hermetically sealed, and an operation and effect can be obtained in which the Newton ring generated when the upper substrate is lowered by its own weight and the upper and lower substrates partially approach can be prevented.
【００１３】本発明の請求項３に記載の発明は、請求項
１記載の発明において、特に、接続電極の断面積が所定
の大きさ以上であると共に、接続電極の断面形状および
その周囲を囲う絶縁性接着層の小窓上の空隙部の形状が
略長方形または長円形であって、その長辺を第一引回し
電極の長手方向に合わせたものであり、絶縁性接着層が
接続電極を囲う小窓状の空隙部の部分で、絶縁性接着層
の幅が広くなることを抑えて、透明タッチパネル全体の
面積が大きくなる度合を小さく抑えることができるとい
う作用効果が得られる。According to a third aspect of the present invention, in the first aspect of the invention, in particular, the cross-sectional area of the connection electrode is equal to or larger than a predetermined size, and the cross-sectional shape of the connection electrode and its periphery are surrounded. The shape of the void portion on the small window of the insulating adhesive layer is substantially rectangular or oval, and its long side is aligned with the longitudinal direction of the first routing electrode, and the insulating adhesive layer connects the connection electrode. The effect of suppressing the increase in the width of the insulating adhesive layer in the portion of the small window-shaped void portion surrounding it and suppressing the degree of increase in the area of the entire transparent touch panel can be obtained.
【００１４】本発明の請求項４に記載の発明は、請求項
１記載の発明において、特に、接続電極の周囲を小窓状
に囲う絶縁性接着層の一部に、第一透明導電体層と第二
透明導電体層が対向する内側に向けて切欠き溝を設けた
ものであり、本発明による透明タッチパネルの製造工程
において、上基板と下基板を重ね合わせて上基板の上か
ら加熱加圧し、絶縁性接着層によって上基板と下基板を
貼り合わせて接続電極で第一給電電極と第一引回し電極
を接続する際に、絶縁性接着層に囲まれた接続電極の周
囲の小窓状の空隙部内の空気を、第一透明導電体層と第
二透明導電体層が対向する内側に、切欠き溝から逃がす
ことができると共に、この切欠き溝によって、絶縁性接
着層が第一透明導電体層および第二透明導電体層の外周
部を枠状に囲う部分の密閉性が損なわれないという作用
効果が得られる。According to a fourth aspect of the present invention, in the first aspect of the present invention, in particular, the first transparent conductor layer is provided on a part of the insulating adhesive layer surrounding the connection electrode in a small window shape. And a notch groove provided toward the inside where the second transparent conductor layer is opposed to the upper substrate. In the process of manufacturing the transparent touch panel according to the present invention, the upper substrate and the lower substrate are superimposed and heated from above the upper substrate. When the upper substrate and the lower substrate are bonded by the insulating adhesive layer and the first feeding electrode and the first routing electrode are connected by the connecting electrode, the small window around the connecting electrode surrounded by the insulating adhesive layer The air in the cavity can escape from the notch groove inside the first transparent conductor layer and the second transparent conductor layer facing each other, and the notch groove allows the insulating adhesive layer to move to the first side. A portion surrounding the outer periphery of the transparent conductor layer and the second transparent conductor layer in a frame shape Effect that sealability is not impaired can be obtained.
【００１５】本発明の請求項５に記載の発明は、透明な
可撓性絶縁基板の下面に第一透明導電体層および一対の
第一給電電極を形成して上基板を形成し、透明な絶縁基
板の上面に、第二透明導電体層、一対の第一引回し電
極、第二給電電極および第二引回し電極を形成した下基
板に対し、更に、一対の第二引回し電極の上面の所定位
置に、スポット状の接続電極を所定寸法よりも高く印刷
形成すると共に、各接続電極の位置に小窓状の空隙部を
有する絶縁層および絶縁性接着層を第二透明導電体層の
外周部に印刷形成し、次に、第一透明導電体層と第二透
明導電体層が対向するように上記上基板と上記下基板を
重ね合わせて上基板の上部から加熱加圧することによ
り、絶縁性接着層によって上記上基板と上記下基板を貼
り合わせると共に、接続電極で第一給電電極と第一引回
し電極を接続する請求項１記載の透明タッチパネルの製
造方法としたものであり、接続電極部分の形成方法、お
よび接続電極を介して上基板の第一透明導電体層を下基
板の第一引回し電極に接続させる加工が容易であると共
に、両者を確実に安定して接続させることができて、検
査も含めた管理に手間がかからない透明タッチパネルの
製造方法を実現できるという作用効果が得られる。According to a fifth aspect of the present invention, a first transparent conductor layer and a pair of first power supply electrodes are formed on a lower surface of a transparent flexible insulating substrate to form an upper substrate. On the upper surface of the insulating substrate, the lower substrate on which the second transparent conductor layer, the pair of first routing electrodes, the second feeding electrode and the second routing electrode are formed, and further the upper surface of the pair of second routing electrodes In a predetermined position, a spot-shaped connection electrode is printed and formed higher than a predetermined size, and an insulating layer having a small window-shaped gap at a position of each connection electrode and an insulating adhesive layer are formed on the second transparent conductor layer. By printing and forming on the outer peripheral portion, then, by heating and pressing from above the upper substrate by overlapping the upper substrate and the lower substrate so that the first transparent conductor layer and the second transparent conductor layer face each other, The upper substrate and the lower substrate are bonded by an insulating adhesive layer, and The method for manufacturing a transparent touch panel according to claim 1, wherein the first power supply electrode and the first routing electrode are connected by an electrode, the method for forming a connection electrode portion, and the first transparent substrate on the upper substrate via the connection electrode. A method for manufacturing a transparent touch panel that can easily connect the conductor layer to the first routing electrode of the lower substrate and can reliably and stably connect the two, so that management including inspection is not troublesome. Is obtained.
【００１６】[0016]
【発明の実施の形態】以下、本発明の実施の形態につい
て、図１〜図５を用いて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS.
【００１７】なお、構成を判り易くするために、各図面
は厚さ方向の寸法を拡大して表わしている。In addition, in order to make the configuration easy to understand, the drawings are enlarged in the thickness direction.
【００１８】（実施の形態）図１は本発明の一実施の形
態による透明タッチパネルの正面断面図、図２は同分解
斜視図である。(Embodiment) FIG. 1 is a front sectional view of a transparent touch panel according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of the same.
【００１９】同図において、２１はポリエチレンテレフ
タレート等の透明な可撓性絶縁基板からなる上基板で、
その下面には酸化インジューム・スズ（以下、ＩＴＯと
記載する）等からなる第一透明導電体層２３が印刷また
は蒸着等の方法で形成され、その平行な端部の全長に接
続して一対の細長い第一給電電極２５Ａ，２５Ｂが銀を
主成分とするペースト等により印刷形成されている。In FIG. 1, reference numeral 21 denotes an upper substrate made of a transparent flexible insulating substrate such as polyethylene terephthalate.
On the lower surface, a first transparent conductor layer 23 made of indium tin oxide (hereinafter referred to as ITO) or the like is formed by a method such as printing or vapor deposition, and is connected to the entire length of the parallel end to form a pair. Are formed by printing with a paste containing silver as a main component or the like.
【００２０】一方、上基板２１と対向して配設された２
２は、ガラスまたはポリカーボネート等の透明な剛体の
絶縁基板からなる下基板で、その上面には、第一透明導
電体層２３と対向してＩＴＯ等からなる第二透明導電体
層２４が印刷または蒸着等の方法で形成され、その表面
の所定位置にはエポキシ系樹脂からなる所定の大きさの
ドットスペーサ２６（図２には示さず）が設けられてい
ると共に、第二透明導電体層２４の側方には、絶縁層２
７の上部に、上基板２１の一対の第一給電電極２５Ａ，
２５Ｂと対向する一対の細長い第一引回し電極２８Ａ，
２８Ｂが銀を主成分とするペースト等で印刷形成され、
更に、これと直交する側の第二透明導電体層２４の平行
な端部の全長に接続して、一対の細長い第二給電電極２
９Ａ，２９Ｂおよびこれと導通した一対の第二引回し電
極３０Ａ，３０Ｂ（図１には示さず）が銀を主成分とす
るペースト等で印刷形成されている。On the other hand, the 2
Reference numeral 2 denotes a lower substrate made of a transparent rigid insulating substrate such as glass or polycarbonate, and a second transparent conductor layer 24 made of ITO or the like is printed on the upper surface thereof in opposition to the first transparent conductor layer 23. A dot spacer 26 (not shown in FIG. 2) of a predetermined size made of an epoxy resin is provided at a predetermined position on the surface of the second transparent conductor layer 24. On the side of the insulation layer 2
7, a pair of first power supply electrodes 25 </ b> A of the upper substrate 21,
25B, a pair of elongated first routing electrodes 28A facing each other,
28B is formed by printing with a paste or the like containing silver as a main component,
Further, a pair of elongated second power supply electrodes 2 are connected to the entire length of the parallel end of the second transparent conductor layer 24 on the side orthogonal to this.
9A and 29B and a pair of second wiring electrodes 30A and 30B (not shown in FIG. 1) which are electrically connected to the electrodes 9A and 29B are formed by printing using a paste containing silver as a main component.
【００２１】そして、一対の第一引回し電極２８Ａ，２
８Ｂと一対の第二引回し電極３０Ａ，３０Ｂは、何れも
下基板２２の一側部の導出部３１に導かれて、使用機器
の回路に電気接続するためのフレキシブル基板３２に接
続されている。The pair of first routing electrodes 28A, 2A
8B and the pair of second routing electrodes 30A, 30B are both guided to the lead-out portion 31 on one side of the lower substrate 22, and are connected to a flexible substrate 32 for electrically connecting to a circuit of a device to be used. .
【００２２】更に、下基板２２の一対の細長い第一引回
し電極２８Ａ，２８Ｂ上には、それぞれ両端部近くと中
央付近に、銀と熱可塑性樹脂等からなる略正方形の接続
電極３３（３３Ａ〜３３Ｃおよび３３Ｄ〜３３Ｆ）がス
ポット的に印刷形成されて、上基板２１下面の一対の第
一給電電極２５Ａ，２５Ｂにそれぞれ接触していると共
に、下基板２２の第二透明導電体層２４の外周部を枠状
に囲うように絶縁層３５の上部に印刷形成された、アク
リル系樹脂を主成分とする粘着剤からなる絶縁性接着層
３４が、上基板２１の第一透明導電体層２３の外周部に
接着している。Further, on the pair of elongated first routing electrodes 28A and 28B of the lower substrate 22, near the both ends and near the center, respectively, a substantially square connection electrode 33 (33A to 33A) made of silver, thermoplastic resin, or the like. 33C and 33D to 33F) are formed by spot printing and are in contact with the pair of first power supply electrodes 25A and 25B on the lower surface of the upper substrate 21, respectively, and at the outer periphery of the second transparent conductor layer 24 of the lower substrate 22. An insulating adhesive layer 34 made of an adhesive containing an acrylic resin as a main component, which is printed and formed on the insulating layer 35 so as to surround the portion in a frame shape, is formed on the first transparent conductor layer 23 of the upper substrate 21. Adhered to the outer periphery.
【００２３】これにより、接続電極３３（３３Ａ〜３３
Ｆ）は自身の接着力に加えて、周囲を絶縁性接着層３４
で固定されることになり、下基板２２の一対の第一引回
し電極２８Ａ，２８Ｂと上基板２１下面の一対の第一給
電電極２５Ａ，２５Ｂの間を電気的に安定して接続する
ことができる。As a result, the connection electrodes 33 (33A to 33A)
F) has an insulating adhesive layer 34 around the periphery in addition to its own adhesive strength.
And the pair of first feeding electrodes 28A, 28B of the lower substrate 22 and the pair of first feeding electrodes 25A, 25B of the lower surface of the upper substrate 21 can be electrically stably connected. it can.
【００２４】そして、接続電極３３を絶縁性接着層３４
で接続固定させる部分の構成は、図３の接続電極部分を
拡大した外観斜視図に示すように、略正方形の接続電極
３３が、絶縁性接着層３４に小窓状に設けられた略正方
形の空隙部３６内に、周囲に所定の間隔をあけて、しか
も絶縁性接着層３４よりも少し高く形成されているの
で、接続電極３３の周囲を絶縁性接着層３４で接着する
ことによって、下基板２２の第一引回し電極２８Ａ，２
８Ｂと上基板２１下面の第一給電電極２５Ａ，２５Ｂの
間を、電気的に確実に接続することができる。Then, the connection electrode 33 is connected to the insulating adhesive layer 34.
As shown in an enlarged external perspective view of the connection electrode portion in FIG. 3, the connection electrode 33 has a substantially square connection electrode 33 provided in the insulating adhesive layer 34 in a small window shape. The lower substrate is formed by bonding the periphery of the connection electrode 33 with the insulating adhesive layer 34 because it is formed at a predetermined interval around the gap 36 and slightly higher than the insulating adhesive layer 34. 22 first routing electrodes 28A, 2
8B and the first power supply electrodes 25A and 25B on the lower surface of the upper substrate 21 can be electrically reliably connected.
【００２５】なお、空隙部３６から第一透明導電体層２
３と第二透明導電体層２４が対向する内側に向けて設け
られている細幅の切欠き溝３７は、絶縁性接着層３４で
上基板２１の第一透明導電体層２３と下基板２２の第二
透明導電体層２４の外周部を接着させる際に、空隙部３
６内の空気を逃がして、空隙部３６の周囲を確実に接着
させるためのものである。Note that the first transparent conductor layer 2
3 and the second transparent conductor layer 24 are provided toward the inside facing each other, and the narrow notch groove 37 is formed by the insulating adhesive layer 34 with the first transparent conductor layer 23 of the upper substrate 21 and the lower substrate 22. When the outer peripheral portion of the second transparent conductor layer 24 is bonded,
This is for releasing the air inside 6 and securely bonding the periphery of the gap 36.
【００２６】また、この接続電極３３の断面形状は必ず
しも正方形にする必要はなく、上基板２１と下基板２２
の間に所定の電流を通すために必要な面積以上であれば
よいものであり、従って、図４の接続電極部分の他の構
成の拡大した外観斜視図に示すように、接続電極３８を
細長の長方形または長円形とし、絶縁性接着層３９の小
窓状の空隙部４０も同様の形状として、その長辺を第一
引回し電極２８Ａ，２８Ｂの長手方向に合わせることに
よって、絶縁性接着層３９は勿論、第一給電電極２５
Ａ，２５Ｂや第一引回し電極２８Ａ，２８Ｂおよび絶縁
層３５等の透明タッチパネルの周囲部分の幅寸法すなわ
ち透明タッチパネル全体の面積が大きくなる度合いを小
さく抑えることができる。The cross-sectional shape of the connection electrode 33 does not necessarily have to be square, and the upper substrate 21 and the lower substrate 22 are not necessarily square.
It is sufficient if the area is larger than the area required to pass a predetermined current between the electrodes. Therefore, as shown in an enlarged external perspective view of another configuration of the connection electrode portion in FIG. And the small window-shaped void portion 40 of the insulating adhesive layer 39 has the same shape, and its long side is aligned with the longitudinal direction of the first routing electrodes 28A and 28B. 39 as well as the first feeding electrode 25
A, 25B, the first routing electrodes 28A, 28B, the insulating layer 35, and the like, the width dimension of the peripheral portion of the transparent touch panel, that is, the degree of increase in the area of the entire transparent touch panel can be suppressed to be small.
【００２７】そして、一般に使用される透明タッチパネ
ルにおいては、安定した高さの接続電極３３を印刷形成
することができる寸法以上の幅（例えば１ｍｍ以上）を
有する長方形または長円形とすれば、接続電極３３の電
流容量は充分である。In a commonly used transparent touch panel, if the connection electrode 33 is formed into a rectangle or an ellipse having a width (for example, 1 mm or more) larger than a dimension capable of printing and forming the connection electrode 33 having a stable height, The current capacity of 33 is sufficient.
【００２８】更に、絶縁性接着層３４により上基板２１
の第一透明導電体層２３と下基板２２の第二透明導電体
層２４の外周部は枠状に隙間なく囲われることによっ
て、第一透明導電体層２３と第二透明導電体層２４の間
は所定の間隔をあけて密閉されており、上基板２１が自
重により下がって、上下基板が部分的に接近することに
よるニュートンリングの発生を防ぐようになっている。Further, the upper substrate 21 is formed by the insulating adhesive layer 34.
The outer peripheral portions of the first transparent conductor layer 23 and the second transparent conductor layer 24 of the lower substrate 22 are surrounded by a frame without any gap, so that the first transparent conductor layer 23 and the second transparent conductor layer 24 The space is sealed at a predetermined interval, so that the upper substrate 21 is lowered by its own weight, and the generation of Newton rings due to the partial proximity of the upper and lower substrates is prevented.
【００２９】また、上記の説明では、下基板２２はガラ
スまたはポリカーボネート等の透明な剛体の絶縁基板か
らなるものとして説明したが、これは、透明な可撓性絶
縁基板を下基板として形成した透明タッチパネルを、透
明な剛体の絶縁基板または使用機器の剛体の表示部等の
上面に貼り付けるようにしてもよい。In the above description, the lower substrate 22 is described as being made of a transparent rigid insulating substrate such as glass or polycarbonate. However, this is because a transparent flexible insulating substrate is formed as the lower substrate. The touch panel may be attached to the upper surface of a transparent rigid insulating substrate or a rigid display unit of a device to be used.
【００３０】本実施の形態による透明タッチパネルは以
上のように構成されるものであり、次にその製造方法に
ついて説明する。The transparent touch panel according to the present embodiment is configured as described above. Next, a method for manufacturing the same will be described.
【００３１】図５は本実施の形態による透明タッチパネ
ルの製造方法を説明する分解斜視図である。FIG. 5 is an exploded perspective view for explaining a method of manufacturing the transparent touch panel according to the present embodiment.
【００３２】まず、ポリエチレンテレフタレート等の透
明な絶縁基板からなる上基板２１の下面全体に、ＩＴＯ
等を印刷または蒸着して第一透明導電体層２３を形成
し、その平行な端部のほぼ全長に接触して銀を主成分と
するペーストを印刷して、一対の細長い第一給電電極２
５Ａ，２５Ｂを形成しておく。First, the entire lower surface of the upper substrate 21 made of a transparent insulating substrate such as polyethylene terephthalate is covered with ITO.
The first transparent conductor layer 23 is formed by printing or vapor deposition, and a paste containing silver as a main component is printed in contact with substantially the entire length of the parallel end portion thereof to form a pair of elongated first power supply electrodes 2.
5A and 25B are formed in advance.
【００３３】次に、ガラスまたはポリカーボネート等の
透明な絶縁基板からなる下基板２２の上面全体に、ＩＴ
Ｏ等を印刷または蒸着して第二透明導電体層２４を形成
し、その表面の周囲部分を除く所定位置に、熱硬化性エ
ポキシ樹脂等を印刷・焼成して絶縁性のドットスペーサ
２６を形成する。Next, the entire upper surface of the lower substrate 22 made of a transparent insulating substrate such as glass or polycarbonate is covered with an IT
O or the like is printed or vapor-deposited to form the second transparent conductor layer 24, and a thermosetting epoxy resin or the like is printed and baked at a predetermined position except a peripheral portion of the surface to form an insulating dot spacer 26. I do.
【００３４】そして、第二透明導電体層２４の外周部を
囲むようにエポキシまたはポリエステル系の樹脂を印刷
して、図５に示すような、対向する二辺に細長いスリッ
ト部２７Ａ，２７Ｂを有する四角い枠状の絶縁層２７を
形成し、更にその上部から銀を主成分とするペーストを
印刷して、スリット部２７Ａ，２７Ｂ内に、第二透明導
電体層２４の平行な端部のほぼ全長に接続した一対の細
長い第二給電電極２９Ａ，２９Ｂを、また絶縁層２７の
上に、第二給電電極２９Ａ，２９Ｂと導通して導出部３
１まで導く第二引回し電極３０Ａ，３０Ｂを、それぞれ
形成すると共に、絶縁層２７のスリット部２７Ａ，２７
Ｂの無い側の対向する二つの辺２７Ｃ，２７Ｄ上に、上
基板２１下面の一対の第一給電電極２５Ａ，２５Ｂに対
応し、これを導出部３１まで導くための、第一引回し電
極２８Ａ，２８Ｂを形成する。Then, an epoxy or polyester resin is printed so as to surround the outer peripheral portion of the second transparent conductor layer 24, and has elongated slit portions 27A and 27B on two opposite sides as shown in FIG. A rectangular frame-shaped insulating layer 27 is formed, and a paste containing silver as a main component is printed from above the insulating layer 27, and substantially the entire length of a parallel end of the second transparent conductor layer 24 is formed in the slits 27A and 27B. A pair of elongated second power supply electrodes 29A and 29B connected to the second power supply electrodes 29A and 29B on the insulating layer 27.
1 and the second leading electrodes 30A, 30B are formed, and the slit portions 27A, 27A of the insulating layer 27 are formed.
A first routing electrode 28A corresponding to the pair of first power supply electrodes 25A and 25B on the lower surface of the upper substrate 21 on the two opposing sides 27C and 27D on the side without B, and leading the lead to the lead-out portion 31A. , 28B.
【００３５】更に、下基板２２上の一対の第一引回し電
極２８Ａ，２８Ｂ上の所定位置である両端部近くと中央
付近に、銀と熱可塑性樹脂を混ぜ合わせたペーストを用
いて、所定高さの接続電極３３（３３Ａ〜３３Ｃおよび
３３Ｄ〜３３Ｆ）をそれぞれ印刷形成すると共に、各接
続電極３３Ａ〜３３Ｆの周囲を所定の間隔をあけて小窓
状に囲う空隙部３５Ａ〜３５Ｆを有する絶縁層３５を、
エポキシまたはポリエステル系の樹脂を用いて、第二透
明導電体層２４の外周部を枠状に囲うように印刷形成
し、更に、その上部に重ねて、同様の小窓状の空隙部３
６Ａ〜３６Ｆを有する略同形状の絶縁性接着層３４を、
アクリル系樹脂を主成分とする粘着剤により印刷形成す
る。Further, a predetermined height of the pair of first routing electrodes 28A, 28B on the lower substrate 22 is set near predetermined positions near both ends and near the center by using a paste obtained by mixing silver and a thermoplastic resin. Insulating layers having voids 35A to 35F surrounding each of the connection electrodes 33A to 33F in a small window shape at predetermined intervals while printing the connection electrodes 33 (33A to 33C and 33D to 33F). 35,
Using an epoxy or polyester resin, a print is formed so as to surround the outer peripheral portion of the second transparent conductor layer 24 in a frame shape.
The insulating adhesive layer 34 having substantially the same shape having 6A to 36F,
It is formed by printing with an adhesive mainly composed of an acrylic resin.
【００３６】なお、各接続電極３３（３３Ａ〜３３Ｆ）
の高さは、この絶縁層３５と絶縁性接着層３４の厚さを
合わせた寸法よりも少し高くなるように形成するのであ
るが、前記のように、各接続電極３３が所定の幅（例え
ば１ｍｍ以上）であれば、安定した高さ寸法に形成する
ことができる。The connection electrodes 33 (33A to 33F)
Is formed to be slightly higher than the sum of the thicknesses of the insulating layer 35 and the insulating adhesive layer 34. As described above, each connection electrode 33 has a predetermined width (for example, If it is 1 mm or more), it can be formed in a stable height dimension.
【００３７】また、絶縁性接着層３４の各接続電極３３
Ａ〜３３Ｆを小窓状に囲う空隙部３６Ａ〜３６Ｆには、
第二透明導電体層２４側である内側に細幅の切欠き溝３
７Ａ〜３７Ｆを設ける。Each connection electrode 33 of the insulating adhesive layer 34
In the voids 36A to 36F surrounding the A to 33F like small windows,
The notch groove 3 having a narrow width inside the second transparent conductor layer 24 side.
7A to 37F are provided.
【００３８】次に、以上のようにして上面に各層を印刷
形成した下基板２２に対し、前記の下面に第一透明導電
体層２３と一対の第一給電電極２５Ａ，２５Ｂを形成し
た上基板２１を、第一透明導電体層２３と第二透明導電
体層２４が対向し、第一給電電極２５Ａ，２５Ｂに対し
て接続電極３３Ａ〜３３Ｃ、３３Ｄ〜３３Ｆの上端が接
触するように重ね合わせて、上基板２１の上面から加熱
加圧することにより、下基板２２の絶縁性接着層３４を
上基板２１の第一透明導電体層２３の外周部に接着させ
ると共に、各接続電極３３Ａ〜３３Ｆをスポット的に第
一給電電極２５Ａ，２５Ｂに接続させる。Next, on the lower substrate 22 on which the respective layers are printed on the upper surface as described above, the upper substrate on which the first transparent conductor layer 23 and the pair of first power supply electrodes 25A and 25B are formed on the lower surface. 21 are overlapped such that the first transparent conductor layer 23 and the second transparent conductor layer 24 face each other, and the upper ends of the connection electrodes 33A to 33C and 33D to 33F contact the first power supply electrodes 25A and 25B. Then, by applying heat and pressure from the upper surface of the upper substrate 21, the insulating adhesive layer 34 of the lower substrate 22 is adhered to the outer peripheral portion of the first transparent conductor layer 23 of the upper substrate 21, and the connection electrodes 33 A to 33 F are connected. The first power supply electrodes 25A and 25B are connected in a spot manner.
【００３９】これによって、上基板２１と下基板２２は
完全に貼り合わされ、最後に、使用機器の回路に接続す
るためのフレキシブル基板３２を下基板２２の導出部３
１に接続すると、図１に示したような透明タッチパネル
として完成する。As a result, the upper substrate 21 and the lower substrate 22 are completely bonded, and finally, the flexible substrate 32 for connecting to the circuit of the equipment to be used is connected to the lead portion 3 of the lower substrate 22.
1, the touch panel is completed as shown in FIG.
【００４０】なお、上基板２１の上部から加熱加圧して
絶縁性接着層３４で接着させて、上基板２１を下基板２
２に貼り合わせる際に、各接続電極３３Ａ〜３３Ｆの周
囲の絶縁性接着層３４の小窓状の各空隙部３６Ａ〜３６
Ｆ内の空気は、各空隙部３６Ａ〜３６Ｆに設けられた細
幅の切欠き部３７Ａ〜３７Ｆを通って、第一透明導電体
層２３と第二透明導電体層２４が対向する内側に逃がさ
れると共に、各切欠き部３７Ａ〜３７Ｆは細幅であるの
でこの部分で接着力が弱くなることは殆どなく、各接続
電極３３Ａ〜３３Ｆを囲む各空隙部３６Ａ〜３６Ｆの周
囲は確実に接着される。It is to be noted that the upper substrate 21 is heated and pressurized from above and adhered by the insulating adhesive layer 34 so that the upper substrate 21 is
2, the small window-shaped gaps 36A-36 of the insulating adhesive layer 34 around the connection electrodes 33A-33F.
The air inside F passes through the narrow notches 37A to 37F provided in each of the gaps 36A to 36F and escapes to the inside where the first transparent conductor layer 23 and the second transparent conductor layer 24 face each other. At the same time, since the notches 37A to 37F have a narrow width, the adhesive force hardly weakens at this portion, and the periphery of each of the gaps 36A to 36F surrounding the connection electrodes 33A to 33F is securely bonded. You.
【００４１】また、各空隙部３６Ａ〜３６Ｆの切欠き溝
３７Ａ〜３７Ｆは内側に向けられていて、外側は密閉さ
れているので、切欠き溝３７Ａ〜３７Ｆによって第一透
明導電体層２３と第二透明導電体層２４が対向する部分
の密閉性が損なわれることはない。Further, the notch grooves 37A to 37F of each of the gaps 36A to 36F are directed to the inside and the outside is sealed, so that the first transparent conductive layer 23 and the first The hermeticity of the portion where the two transparent conductor layers 24 face is not impaired.
【００４２】以上のようにして形成された本実施の形態
による透明タッチパネルを電子機器の液晶表示素子等の
上に取り付けて、上基板２１の上面を指先等で押すと、
押された位置の第一透明導電体層２３と第二透明導電体
層２４が部分接触し、その接触位置の電圧の分圧が、第
一給電電極２５Ａ，２５Ｂと第一引回し電極２８Ａ，２
８Ｂおよび第二給電電極２９Ａ，２９Ｂと第二引回し電
極３０Ａ，３０Ｂを経て、導出部３１からフレキシブル
基板３２に導出されることは、従来の透明タッチパネル
と同様であるので、詳細な説明は省略する。When the transparent touch panel according to the present embodiment formed as described above is mounted on a liquid crystal display element or the like of an electronic device and the upper surface of the upper substrate 21 is pressed with a fingertip or the like,
The first transparent conductor layer 23 and the second transparent conductor layer 24 at the pressed position are in partial contact with each other, and the voltage division at the contact position is caused by the first power supply electrodes 25A, 25B and the first routing electrodes 28A, 2
8B, the second feeding electrodes 29A and 29B, and the second routing electrodes 30A and 30B, and being led out from the lead-out portion 31 to the flexible substrate 32 are the same as the conventional transparent touch panel. I do.
【００４３】以上のように、本実施の形態による透明タ
ッチパネルは、接続電極３３を介して上基板の第一透明
導電体層２３を下基板の一対の第一引回し電極２８Ａ，
２８Ｂに接続させる部分の形成・加工が容易であると共
に、両者を確実に安定して接続させることができて、検
査も含めた管理に手間がかからない透明タッチパネルを
実現するものである。As described above, in the transparent touch panel according to the present embodiment, the first transparent conductor layer 23 on the upper substrate is connected to the pair of first leading electrodes 28A,
It is possible to form and process a portion to be connected to 28B easily, and to reliably and stably connect the two, thereby realizing a transparent touch panel that does not require labor for management including inspection.
【００４４】[0044]
【発明の効果】以上のように本発明によれば、接続電極
部分の形成方法、および接続電極を介して上基板の第一
透明導電体層を下基板の第一引回し電極に接続させる部
分の加工が容易であると共に、両者を確実に安定して接
続させることができて、検査も含めた管理に手間がかか
らない透明タッチパネルおよびその製造方法を実現でき
るという有利な効果が得られる。As described above, according to the present invention, a method for forming a connection electrode portion and a portion for connecting the first transparent conductor layer of the upper substrate to the first routing electrode of the lower substrate via the connection electrode. In addition, the transparent touch panel can be easily and stably connected, and the transparent touch panel and the manufacturing method thereof can be realized in which the management including inspection is not troublesome, and the manufacturing method thereof is obtained.
【図１】本発明の一実施の形態による透明タッチパネル
の正面断面図FIG. 1 is a front sectional view of a transparent touch panel according to an embodiment of the present invention.
【図２】同分解斜視図FIG. 2 is an exploded perspective view of the same.
【図３】同接続電極部分の外観斜視図FIG. 3 is an external perspective view of the connection electrode portion.
【図４】同接続電極部分の他の構成の外観斜視図FIG. 4 is an external perspective view of another configuration of the connection electrode portion.
【図５】同製造方法を説明する分解斜視図FIG. 5 is an exploded perspective view illustrating the manufacturing method.
【図６】従来の透明タッチパネルの分解斜視図FIG. 6 is an exploded perspective view of a conventional transparent touch panel.
【図７】同正面断面図FIG. 7 is a front sectional view of the same.
【符号の説明】 ２１ 上基板 ２２ 下基板 ２３ 第一透明導電体層 ２４ 第二透明導電体層 ２５Ａ，２５Ｂ 第一給電電極 ２６ ドットスペーサ ２７，３５ 絶縁層 ２７Ａ，２７Ｂ スリット部 ２７Ｃ，２７Ｄ 辺 ２８Ａ，２８Ｂ 第一引回し電極 ２９Ａ，２９Ｂ 第二給電電極 ３０Ａ，３０Ｂ 第二引回し電極 ３１ 導出部 ３２ フレキシブル基板 ３３，３３Ａ〜３３Ｆ，３８ 接続電極 ３４，３９ 絶縁性接着層 ３５Ａ〜３５Ｆ，３６，３６Ａ〜３６Ｆ，４０ 空隙部 ３７，３７Ａ〜３７Ｆ 切欠き溝DESCRIPTION OF SYMBOLS 21 Upper substrate 22 Lower substrate 23 First transparent conductive layer 24 Second transparent conductive layer 25A, 25B First power supply electrode 26 Dot spacer 27, 35 Insulating layer 27A, 27B Slit portion 27C, 27D side 28A , 28B First wiring electrode 29A, 29B Second power supply electrode 30A, 30B Second wiring electrode 31 Outgoing part 32 Flexible board 33, 33A to 33F, 38 Connection electrode 34, 39 Insulating adhesive layer 35A to 35F, 36, 36A-36F, 40 Void portion 37, 37A-37F Notch groove
───────────────────────────────────────────────────── フロントページの続き (72)発明者 山上 修凡 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 Ｆターム(参考） 5B087 AA00 CC12 CC16 CC36 5G006 AA01 FB17 FB31 JB05 LB01 5G023 CA14 CA19 CA30 CA50 5G046 AA11 AB02 AD02 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Shunori Yamagami 1006 Kazuma Kadoma, Kazuma-shi, Osaka Matsushita Electric Industrial Co., Ltd. F-term (reference) 5B087 AA00 CC12 CC16 CC36 5G006 AA01 FB17 FB31 JB05 LB01 5G023 CA14 CA19 CA30 CA50 5G046 AA11 AB02 AD02
Claims (5)
導電体層を形成し、その平行な端部に一対の細長い第一
給電電極を設けた上基板と、この上基板と対向した透明
な絶縁基板の上面に、上記第一透明導電体層と対向して
表面に所定のドットスペーサを有する第二透明導電体
層、およびこれと絶縁して上記第一給電電極と対向する
一対の第一引回し電極を形成すると共に、この第一引回
し電極と略直交する側の上記第二透明導電体層の平行な
端部に一対の第二給電電極およびこれと導通した第二引
回し電極を設けた下基板と、上記上基板の第一給電電極
と下基板の第一引回し電極の間を所定の位置でスポット
的に接続するように配設された接続電極と、この接続電
極の周囲を所定の間隔をあけて小窓状に囲うと共に、上
記第一透明導電体層および第二透明導電体層の外周部を
枠状に囲うように接着する絶縁性接着層からなり、上記
上基板の所望の位置を押圧することにより上記第一透明
導電体層と上記第二透明導電体層が部分接触し、上記第
一引回し電極および上記第二引回し電極から接触位置を
検出する信号が導出される透明タッチパネル。1. An upper substrate having a first transparent conductive layer formed on a lower surface of a transparent flexible insulating substrate and a pair of elongated first power supply electrodes provided at parallel ends thereof, and an upper substrate facing the upper substrate. On the upper surface of the transparent insulating substrate, a second transparent conductor layer having a predetermined dot spacer on the surface facing the first transparent conductor layer, and a pair of insulating layers facing the first power supply electrode. And a pair of second power supply electrodes and a second power supply electrode connected to the second power supply electrode at a parallel end of the second transparent conductor layer on a side substantially orthogonal to the first power supply electrode. A lower substrate provided with a turning electrode, a connection electrode disposed so as to spot-connect at a predetermined position between the first feeding electrode of the upper substrate and the first drawing electrode of the lower substrate, and this connection; The electrode is surrounded by small windows at predetermined intervals, and the first transparent conductor layer and the And an insulating adhesive layer that adheres so as to surround the outer peripheral portion of the second transparent conductor layer in a frame shape. The first transparent conductor layer and the second transparent conductor layer are pressed by pressing a desired position of the upper substrate. A transparent touch panel in which a conductor layer partially contacts and a signal for detecting a contact position is derived from the first routing electrode and the second routing electrode.
二透明導電体層の間が絶縁性接着層により密閉されてい
る請求項１記載の透明タッチパネル。2. The transparent touch panel according to claim 1, wherein a space between the first transparent conductive layer of the upper substrate and the second transparent conductive layer of the lower substrate is sealed by an insulating adhesive layer.
めに必要な大きさ以上であると共に、接続電極の断面形
状およびその周囲を囲う絶縁性接着層の小窓上の空隙部
の形状が略長方形または長円形であって、その長辺を第
一引回し電極の長手方向に合わせた請求項１記載の透明
タッチパネル。3. The cross-sectional area of the connection electrode is not less than a size necessary for passing a predetermined current, and the cross-sectional shape of the connection electrode and the shape of the void on the small window of the insulating adhesive layer surrounding the periphery of the connection electrode. 2. The transparent touch panel according to claim 1, wherein the transparent touch panel has a substantially rectangular shape or an oval shape, and its long side is aligned with the longitudinal direction of the first routing electrode.
着層の一部に、第一透明導電体層と第二透明導電体層が
対向する内側に向けて切欠き溝を設けた請求項１記載の
透明タッチパネル。4. A notch groove is provided in a part of the insulating adhesive layer surrounding the connection electrode in a small window shape toward the inside where the first transparent conductor layer and the second transparent conductor layer face each other. The transparent touch panel according to claim 1.
導電体層および一対の第一給電電極を形成して上基板を
形成し、透明な絶縁基板の上面に、表面にドットスペー
サを有する第二透明導電体層、一対の第一引回し電極、
第二給電電極および第二引回し電極を形成した下基板に
対し、更に、上記一対の第一引回し電極それぞれの上面
の所定位置に、スポット状の接続電極を所定寸法よりも
高く印刷形成すると共に、各接続電極の位置に小窓状の
空隙部を有する絶縁層および絶縁性接着層を上記第二透
明導電体層の外周部に印刷形成し、次に、上記第一透明
導電体層と上記第二透明導電体層が対向するように上記
上基板と上記下基板を重ね合わせて上記上基板の上部か
ら加熱加圧することにより、上記絶縁性接着層によって
上記上基板と上記下基板を貼り合わせると共に、上記接
続電極で上記第一給電電極と上記第一引回し電極を接続
する請求項１記載の透明タッチパネルの製造方法。5. An upper substrate formed by forming a first transparent conductor layer and a pair of first power supply electrodes on a lower surface of a transparent flexible insulating substrate, and forming a dot spacer on the upper surface of the transparent insulating substrate. A second transparent conductor layer having a pair of first routing electrodes,
On the lower substrate on which the second power supply electrode and the second routing electrode are formed, a spot-like connection electrode is further printed at a predetermined position on the upper surface of each of the pair of first routing electrodes so as to be higher than a predetermined dimension. Along with forming the insulating layer and the insulating adhesive layer having a small window-shaped void at the position of each connection electrode on the outer periphery of the second transparent conductor layer, and then, with the first transparent conductor layer, By laminating the upper substrate and the lower substrate so that the second transparent conductor layer faces each other and applying heat and pressure from above the upper substrate, the upper substrate and the lower substrate are bonded by the insulating adhesive layer. The method for manufacturing a transparent touch panel according to claim 1, wherein the first power supply electrode and the first routing electrode are connected together with the connection electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000323678A JP3965899B2 (en) | 2000-10-24 | 2000-10-24 | Transparent touch panel and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000323678A JP3965899B2 (en) | 2000-10-24 | 2000-10-24 | Transparent touch panel and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002132449A true JP2002132449A (en) | 2002-05-10 |
| JP3965899B2 JP3965899B2 (en) | 2007-08-29 |
Family
ID=18801318
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000323678A Expired - Fee Related JP3965899B2 (en) | 2000-10-24 | 2000-10-24 | Transparent touch panel and manufacturing method thereof |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006201575A (en) * | 2005-01-21 | 2006-08-03 | Toshiba Matsushita Display Technology Co Ltd | Liquid crystal display |
| WO2006095684A1 (en) * | 2005-03-08 | 2006-09-14 | Nissha Printing Co., Ltd. | Touch panel unit |
| JP2007286996A (en) * | 2006-04-19 | 2007-11-01 | Matsushita Electric Ind Co Ltd | Touch panel |
-
2000
- 2000-10-24 JP JP2000323678A patent/JP3965899B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006201575A (en) * | 2005-01-21 | 2006-08-03 | Toshiba Matsushita Display Technology Co Ltd | Liquid crystal display |
| WO2006095684A1 (en) * | 2005-03-08 | 2006-09-14 | Nissha Printing Co., Ltd. | Touch panel unit |
| US7911455B2 (en) | 2005-03-08 | 2011-03-22 | Nissha Printing Co., Ltd. | Touch panel unit |
| TWI395120B (en) * | 2005-03-08 | 2013-05-01 | Nissha Printing | Integrally molded touch panel unit |
| JP2007286996A (en) * | 2006-04-19 | 2007-11-01 | Matsushita Electric Ind Co Ltd | Touch panel |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3965899B2 (en) | 2007-08-29 |
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