JPH0728598A - Touch panel - Google Patents
Touch panelInfo
- Publication number
- JPH0728598A JPH0728598A JP17288293A JP17288293A JPH0728598A JP H0728598 A JPH0728598 A JP H0728598A JP 17288293 A JP17288293 A JP 17288293A JP 17288293 A JP17288293 A JP 17288293A JP H0728598 A JPH0728598 A JP H0728598A
- Authority
- JP
- Japan
- Prior art keywords
- film
- touch panel
- protective film
- transparent conductive
- touch
- 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.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、静電容量型のタッチパ
ネルに関する。タッチパネルは、例えば銀行などのＡＴ
Ｍ（自動窓口装置）において、ディスプレイ画面に表示
された選択肢を選択するための入力手段として広く利用
されている。また、操作が手軽であり且つキー数の制限
がなく入力情報の多様化が容易であることから、その用
途が急速に拡がりつつある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a capacitance type touch panel. The touch panel is, for example, an AT of a bank or the like.
In M (automatic teller machine), it is widely used as an input means for selecting an option displayed on a display screen. Further, since the operation is easy, the number of keys is not limited, and the input information can be easily diversified, the usage thereof is rapidly expanding.
【０００２】[0002]
【従来の技術】図５はタッチパネルＴＰの使用状態を示
す図である。図５（ａ）はタッチ面側からみた平面図で
あり、図５（ｂ）は図５（ａ）のＢ−Ｂ矢視断面図であ
る。2. Description of the Related Art FIG. 5 is a diagram showing a usage state of a touch panel TP. 5A is a plan view seen from the touch surface side, and FIG. 5B is a cross-sectional view taken along the line BB of FIG. 5A.
【０００３】一般に、タッチパネルＴＰは、ＡＴＭなど
の機器において、機器の外装ケースの上面部の内側に配
置される。なお、タッチパネルＴＰの下面側には、入力
画面を表示する図示しないＣＲＴなどのディスプレイ装
置が配置される。Generally, in a device such as an ATM, the touch panel TP is arranged inside the upper surface of the outer case of the device. A display device such as a CRT (not shown) that displays an input screen is arranged on the lower surface side of the touch panel TP.
【０００４】機器の外装ケースには、所定の大きさの開
口を有した額縁状の部分（エスカッション）６０が設け
られており、このエスカッション６０によってタッチパ
ネルＴＰの周囲が覆われる。つまり、タッチパネルＴＰ
では、エスカッション６０の内側の部分が、外部に露出
するタッチ領域ＥＴとなる。そして、タッチ領域ＥＴ内
の表層面がタッチ面となる。The exterior case of the device is provided with a frame-shaped portion (escussion) 60 having an opening of a predetermined size, and the periphery of the touch panel TP is covered with this escutcheon 60. That is, the touch panel TP
Then, the inner portion of the escutcheon 60 becomes the touch area ET exposed to the outside. Then, the surface layer surface in the touch area ET becomes the touch surface.
【０００５】なお、実際には、入力画面における選択肢
ボタンは、操作を容易とするためにタッチ領域ＥＴの周
縁の数ｍｍ〜１ｃｍ程度の幅の部分を避けて配置される
ので、入力の対象となる有効領域はタッチ領域ＥＴより
小さい。[0007] Actually, the option buttons on the input screen are arranged so as to avoid an area having a width of several mm to 1 cm around the periphery of the touch area ET in order to facilitate the operation. The effective area is smaller than the touch area ET.
【０００６】さて、静電容量型のタッチパネルは、ガラ
ス基板の全面に所定の面抵抗値をもつ透明導電膜を設け
ることによって構成される。透明導電膜の周縁部には一
定ピッチで電極端子が設けられ、この電極端子を介して
透明導電膜とタッチ位置検知回路とが接続される。A capacitive touch panel is constructed by providing a transparent conductive film having a predetermined surface resistance value on the entire surface of a glass substrate. Electrode terminals are provided at a constant pitch on the periphery of the transparent conductive film, and the transparent conductive film and the touch position detection circuit are connected via the electrode terminals.
【０００７】透明導電膜上の任意の点に指などを触れる
（タッチする）と、透明導電膜はタッチされた点で人体
の静電容量を介して接地され、各電極端子と接地ライン
との間の抵抗値に変化が生じる。この変化がタッチ位置
検知回路によって検知され、これによってディスプレイ
画面上の点（座標）が入力される。When a finger or the like is touched (touched) at any point on the transparent conductive film, the transparent conductive film is grounded through the electrostatic capacitance of the human body at the touched point, and the respective electrode terminals and the ground line are connected. A change occurs in the resistance value between them. This change is detected by the touch position detection circuit, and thereby a point (coordinate) on the display screen is input.
【０００８】図６は従来の静電容量型タッチパネル８の
構成を示す要部断面図である。タッチパネル８において
は、基体となるガラス基板１０の表面（図の上面）を一
様に覆うようにタッチ位置検出素子となる透明導電膜１
１が設けられ、ガラス基板１０の端部の透明導電膜１１
上に、検知回路を有したフレキシブルプリント基板３０
との電気的接続のための電極端子１８が形成されてい
る。FIG. 6 is a cross-sectional view of an essential part showing the structure of a conventional capacitive touch panel 8. In the touch panel 8, the transparent conductive film 1 serving as a touch position detection element so as to uniformly cover the surface (upper surface in the drawing) of the glass substrate 10 serving as a base
1 is provided and the transparent conductive film 11 at the end of the glass substrate 10 is provided.
Flexible printed circuit board 30 having a detection circuit thereon
Electrode terminals 18 for electrical connection with are formed.
【０００９】そして、電極端子１８の形成領域を除い
て、透明導電膜１１上に、絶縁膜１５、グレア防止膜
（防眩膜）１６、及び防湿膜１７が順に積層されてお
り、これら３つの膜が透明導電膜１１を機械的及び電気
的に保護する保護膜１４となっている。保護膜１４は透
明であるが、厚くなるにつれて透光性が低下する。この
ため、保護膜１４の厚さは数千Å〜１．５μｍ程度とさ
れている。An insulating film 15, an antiglare film (anti-glare film) 16, and a moisture-proof film 17 are sequentially laminated on the transparent conductive film 11 except for the area where the electrode terminals 18 are formed. The film serves as a protective film 14 that mechanically and electrically protects the transparent conductive film 11. Although the protective film 14 is transparent, the light-transmitting property decreases as the thickness increases. For this reason, the thickness of the protective film 14 is set to about several thousand Å to 1.5 μm.
【００１０】一方、ガラス基板１０の裏面には、ディス
プレイ装置からのノイズの影響を除くためのシールド電
極となる透明導電膜１２と、二酸化珪素からなる絶縁膜
１３とが積層されている。On the other hand, on the back surface of the glass substrate 10, a transparent conductive film 12 serving as a shield electrode for removing the influence of noise from the display device and an insulating film 13 made of silicon dioxide are laminated.
【００１１】[0011]
【発明が解決しようとする課題】タッチパネル８は素手
で操作されるので、保護膜１４上に汗や油成分が付着す
る。また、ＡＴＭは屋外と同様の風塵環境下に設置され
るので、塵埃や浮遊した砂がタッチパネル８のタッチ領
域ＥＴに堆積する。特に、エスカッション６０に近いタ
ッチ領域ＥＴの周縁部は塵埃の吹き溜まりとなる。この
ため、タッチパネル８の清掃が頻繁に行われる。Since the touch panel 8 is operated with bare hands, sweat and oil components adhere to the protective film 14. Further, since the ATM is installed in a dust environment similar to the outdoors, dust and floating sand accumulate on the touch area ET of the touch panel 8. In particular, the peripheral portion of the touch area ET near the escutcheon 60 becomes a dust trap. Therefore, the touch panel 8 is frequently cleaned.
【００１２】清掃に際しては、タッチ領域ＥＴの周縁部
の汚れを取り除くために、エスカッション６０の端縁に
沿って強く擦るように布などを移動させる拭き取りが行
われることが多い。[0012] At the time of cleaning, in order to remove dirt on the peripheral portion of the touch area ET, a cloth or the like is often wiped off so as to strongly rub along the edge of the escutcheon 60.
【００１３】従来では、タッチ領域ＥＴの周縁部におい
て、砂塵などの硬質粒子が付着している場合に、保護膜
１４とともに透明導電膜１１が削られ、誤動作の原因と
なるような損傷が生じ易いという問題があった。Conventionally, when hard particles such as dust adhere to the periphery of the touch area ET, the transparent conductive film 11 is scraped off together with the protective film 14, and damage that may cause malfunction is likely to occur. There was a problem.
【００１４】なお、タッチ領域ＥＴ上の塵埃を周縁部に
寄せ集めるように拭き取りを行ったときに、エスカッシ
ョン６０が障壁となって塵埃の移動が妨げられること
も、タッチ領域ＥＴの周縁部における損傷の発生の原因
となる。It should be noted that when the dust on the touch area ET is wiped so as to be gathered to the peripheral portion, the escutcheon 60 serves as a barrier to prevent the movement of the dust, and damage to the peripheral portion of the touch area ET is also caused. Cause the occurrence of.
【００１５】本発明は、上述の問題に鑑み、透明導電膜
の損傷を抑え、耐久性を高めることを目的としている。In view of the above problems, it is an object of the present invention to suppress damage to the transparent conductive film and improve durability.
【００１６】[0016]
【課題を解決するための手段】請求項１の発明に係るパ
ネルは、上述の課題を解決するため、図１に示すよう
に、透明基板１０のタッチ面側に透明導電膜１１が設け
られたタッチパネル１，２，３において、タッチ領域Ｅ
Ｔの全域にわたって前記透明導電膜１１を被覆する保護
膜１４と、前記タッチ領域ＥＴ内の周縁部のみについて
前記透明導電膜１１を被覆する部分保護膜１９，２０，
４０ａとを有して構成される。In order to solve the above-mentioned problems, the panel according to the invention of claim 1 is provided with a transparent conductive film 11 on the touch surface side of the transparent substrate 10 as shown in FIG. On the touch panels 1, 2 and 3, the touch area E
A protective film 14 that covers the transparent conductive film 11 over the entire area of T, and partial protective films 19 and 20 that cover the transparent conductive film 11 only on the peripheral portion in the touch region ET.
And 40a.
【００１７】請求項２の発明に係るパネルは、前記部分
保護膜１９が前記保護膜１４に比べて厚く形成されてな
る。請求項３の発明に係るパネルは、前記部分保護膜２
０が、前記保護膜１４に比べて硬い材質からなり、前記
保護膜１４上に設けられてなる。In the panel according to the second aspect of the present invention, the partial protective film 19 is formed thicker than the protective film 14. The panel according to the invention of claim 3 is the partial protective film 2
0 is made of a material harder than the protective film 14, and is provided on the protective film 14.
【００１８】請求項４の発明に係るパネルは、前記部分
保護膜４０ａが、前記保護膜１４に比べて厚い樹脂フィ
ルム４０からなり、前記保護膜１４上に設けられてな
る。請求項５の発明に係るパネルは、前記樹脂フィルム
４０が、前記タッチ領域ＥＴの外側に配置された電極端
子１８の周囲を被覆するように設けられてなる。In the panel according to the invention of claim 4, the partial protective film 40a is made of a resin film 40 thicker than the protective film 14, and is provided on the protective film 14. In the panel according to the invention of claim 5, the resin film 40 is provided so as to cover the periphery of the electrode terminal 18 arranged outside the touch region ET.
【００１９】[0019]
【作用】タッチパネル１においては、タッチ領域ＥＴの
周縁部において、部分保護膜１９，２０，４０ａによっ
て透明導電膜１１の機械的な保護が補強され、長期間に
わたって透明導電膜１１の損傷による誤動作が防止され
る。In the touch panel 1, mechanical protection of the transparent conductive film 11 is reinforced by the partial protective films 19, 20, 40a at the peripheral portion of the touch area ET, and malfunction due to damage of the transparent conductive film 11 is caused for a long period of time. To be prevented.
【００２０】[0020]
【実施例】図１は本発明の第１実施例に係るタッチパネ
ル１の構成を示す要部断面図である。1 is a cross-sectional view of the essential parts showing the structure of a touch panel 1 according to a first embodiment of the present invention.
【００２１】タッチパネル１は、３又は４ｍｍ程度の厚
さのガラス基板１０、タッチ位置検出素子となる透明導
電膜１１、ガラス基板１０の端部の透明導電膜１１上に
設けられた電極端子１８、タッチ領域ＥＴの全域にわた
って透明導電膜１１を被覆する保護膜１４、タッチ領域
ＥＴ内の周縁部のみについて透明導電膜１１を被覆する
部分保護膜１９、シールド電極となる透明導電膜１２、
及び裏面側の絶縁膜１３とから構成されている。The touch panel 1 has a glass substrate 10 having a thickness of about 3 or 4 mm, a transparent conductive film 11 serving as a touch position detecting element, an electrode terminal 18 provided on the transparent conductive film 11 at an end of the glass substrate 10, A protective film 14 that covers the transparent conductive film 11 over the entire touch area ET, a partial protective film 19 that covers the transparent conductive film 11 only around the peripheral edge of the touch area ET, a transparent conductive film 12 that serves as a shield electrode,
And an insulating film 13 on the back surface side.
【００２２】透明導電膜１１，１２は、例えば主成分の
酸化インジウムと数％の酸化スズからなる４００Å程度
の厚さのＩＴＯ膜であり、蒸着又はスパッタリングによ
って形成されている。The transparent conductive films 11 and 12 are, for example, ITO films having a thickness of about 400 Å which are composed of indium oxide as a main component and tin oxide of several%, and are formed by vapor deposition or sputtering.
【００２３】保護膜１４は、二酸化珪素からなる数千Å
程度の厚さの絶縁膜１５、水ガラスからなる１μｍ程度
の厚さのグレア防止膜１６、及びフッ化マグネシウムか
らなる数千Å程度の厚さの防湿膜１７ａから構成されて
いる。なお、絶縁膜１５は、透明導電膜１１と外部とを
絶縁するとともに、グレア防止膜１６の焼成に際して透
明導電膜１１の変質を抑える機能を有している。また、
防湿膜１７ａは、グレア防止膜１６に続いて部分保護膜
１９を形成した後に、蒸着などによって形成されてい
る。The protective film 14 is made of silicon dioxide and has a thickness of several thousand Å.
The insulating film 15 has a thickness of about 1 μm, the antiglare film 16 made of water glass has a thickness of about 1 μm, and the moisture-proof film 17a made of magnesium fluoride having a thickness of about several thousand Å. The insulating film 15 has a function of insulating the transparent conductive film 11 from the outside and suppressing deterioration of the transparent conductive film 11 when the glare prevention film 16 is baked. Also,
The moisture-proof film 17a is formed by vapor deposition or the like after forming the partial protection film 19 subsequent to the glare prevention film 16.
【００２４】部分保護膜１９は、タッチ領域ＥＴの周縁
の３ｍｍ程度の幅の部分を覆うようにグレア防止膜１６
上に水ガラスを吹き付け、乾燥の後に焼成を行うことに
よって形成されており、その厚さは４μｍ程度である。The partial protective film 19 covers the peripheral portion of the touch area ET and has a width of about 3 mm so as to cover the glare prevention film 16.
It is formed by spraying water glass on top, drying and baking, and its thickness is about 4 μm.
【００２５】タッチパネル１においては、部分保護膜１
９が保護膜１４に比べて十分に厚いので、タッチ領域Ｅ
Ｔの周縁部の機械的な保護が補強される形となり、長期
間にわたって透明導電膜１１の損傷が生じない。In the touch panel 1, the partial protective film 1
9 is sufficiently thicker than the protective film 14, the touch area E
The mechanical protection of the peripheral portion of T is reinforced, and the transparent conductive film 11 is not damaged for a long period of time.
【００２６】図２は本発明の第２実施例に係るタッチパ
ネル２の構成を示す要部断面図である。図２において、
図１と同一の機能を有する構成要素には、形状及び他の
構成要素との配置関係の差異に係わらず同一の符号を付
してある。したがって、ここでは、タッチパネル２の構
成の説明を簡略化する。FIG. 2 is a cross-sectional view of an essential part showing the structure of the touch panel 2 according to the second embodiment of the present invention. In FIG.
Components having the same functions as those in FIG. 1 are designated by the same reference numerals regardless of the difference in shape and arrangement relationship with other components. Therefore, the description of the configuration of the touch panel 2 is simplified here.
【００２７】タッチパネル２は、保護膜１４の上に、タ
ッチ領域ＥＴ内の周縁部のみについて透明導電膜１１を
被覆する部分保護膜２０を有している。部分保護膜２０
は、アルミナ（Ａｌ2 Ｏ3 ）からなり、蒸着又はスパッ
タリングによって形成されている。部分保護膜２０の厚
さは５０００Å程度である。アルミナは、保護膜１４に
比べて硬いハードコート材料である。The touch panel 2 has, on the protective film 14, a partial protective film 20 that covers the transparent conductive film 11 only on the peripheral portion in the touch area ET. Partial protective film 20
Is made of alumina (Al 2 O 3 ) and is formed by vapor deposition or sputtering. The thickness of the partial protective film 20 is about 5000Å. Alumina is a hard coat material that is harder than the protective film 14.
【００２８】タッチパネル１においては、タッチ領域Ｅ
Ｔの周縁部に砂塵が付着した状態で拭き取り（清掃）を
行ったとしても削れが生じにくいことから、透明導電膜
１１の損傷が抑えられる。In the touch panel 1, the touch area E
Even if wiping (cleaning) is performed in a state where the dust is attached to the peripheral portion of T, scraping is unlikely to occur, so damage to the transparent conductive film 11 is suppressed.
【００２９】図３は本発明の第３実施例に係るタッチパ
ネル３の構成を示す要部断面図、図４は図３のタッチパ
ネル３の平面図である。これらの図において、タッチパ
ネル１は、基体となるガラス基板１０、透明導電膜１
１、半田バンプからなる電極端子１８、タッチ領域ＥＴ
の全域にわたって透明導電膜１１を被覆する保護膜１
４、保護膜１４上に貼り付けられた樹脂フィルム４０、
シールド電極となる透明導電膜１２、及び裏面側の絶縁
膜１３とから構成されている。FIG. 3 is a cross-sectional view of an essential part showing the structure of the touch panel 3 according to the third embodiment of the present invention, and FIG. 4 is a plan view of the touch panel 3 of FIG. In these figures, the touch panel 1 includes a glass substrate 10 serving as a base and a transparent conductive film 1.
1. Solder bump electrode terminal 18, touch area ET
Protective film 1 covering the transparent conductive film 11 over the entire area of
4, a resin film 40 attached on the protective film 14,
It is composed of a transparent conductive film 12 serving as a shield electrode, and an insulating film 13 on the back surface side.
【００３０】ガラス基板１０は、例えば２１０ｍｍ×２
８５ｍｍ程度の大きさを有しており、透明導電膜１１は
ガラス基板１０のタッチ面側のほぼ全面を被覆するよう
に設けられている。保護膜１４は、絶縁膜１５、グレア
防止膜１６、及び防湿膜１７ａからなり、その厚さは
１．５μｍ程度である。The glass substrate 10 is, for example, 210 mm × 2
The transparent conductive film 11 has a size of about 85 mm and is provided so as to cover almost the entire touch surface side of the glass substrate 10. The protective film 14 is composed of an insulating film 15, an antiglare film 16, and a moistureproof film 17a, and its thickness is about 1.5 μm.
【００３１】電極端子１８は、透明導電膜１１の周縁部
（タッチ領域ＥＴの外側）に例えば２０ｍｍ程度のピッ
チで配置されている。電極端子１８によって、検知回路
を有したフレキシブルプリント基板３０と透明導電膜１
１とが電気的に接続される。The electrode terminals 18 are arranged on the peripheral portion of the transparent conductive film 11 (outside the touch area ET) at a pitch of, for example, about 20 mm. The flexible printed circuit board 30 having a detection circuit and the transparent conductive film 1 are formed by the electrode terminals 18.
And 1 are electrically connected.
【００３２】樹脂フィルム４０は、例えば５０μｍ程度
の厚さのポリエステルフィルムであり、その電極端子１
８を露出させるための開口４１を有した所定幅の枠状と
されている。The resin film 40 is a polyester film having a thickness of, for example, about 50 μm, and its electrode terminal 1
It has a frame shape with a predetermined width and has an opening 41 for exposing 8.
【００３３】タッチパネル３においては、保護膜１４に
比べて十分に厚い樹脂フィルム４０の内側の部分、すな
わちタッチパネル３の使用時にエスカッション６０に被
覆されない部分が、タッチ領域ＥＴ内の周縁部のみにつ
いて透明導電膜１１を被覆する部分保護膜４０ａとな
り、これによってタッチ領域ＥＴの周縁部の機械的な保
護が補強されている。In the touch panel 3, the inner portion of the resin film 40 which is sufficiently thicker than the protective film 14, that is, the portion which is not covered by the escutcheon 60 when the touch panel 3 is used, is transparently conductive only in the peripheral portion in the touch area ET. The partial protection film 40a that covers the film 11 is reinforced, thereby reinforcing the mechanical protection of the peripheral portion of the touch region ET.
【００３４】また、タッチパネル３においては、各電極
端子１８の周囲が樹脂フィルム４０によって被覆されて
いるので、保護膜１４とフレキシブルプリント基板３０
と間隙（図６参照）が埋まる形となり、この間隙へのタ
ッチ領域ＥＴからの水分の侵入が抑えられて電極端子１
８間の短絡が防止される。Further, in the touch panel 3, since the periphery of each electrode terminal 18 is covered with the resin film 40, the protective film 14 and the flexible printed circuit board 30.
And the gap (see FIG. 6) are filled, and the invasion of water from the touch area ET to the gap is suppressed, so that the electrode terminal 1
A short circuit between 8 is prevented.
【００３５】上述の図１の実施例によれば、部分保護膜
１９は、厚さが４μｍ程度であって同一材料からなるグ
レア防止膜１６（厚さは１μｍ程度）に比べて透光性が
低いものの、吹き付け法により形成されるので、端部の
境目が目立たない。このため、タッチパネル１の美観を
良好に保つことができる。According to the embodiment of FIG. 1 described above, the partial protective film 19 has a light transmissive property as compared with the anti-glare film 16 (having a thickness of about 1 μm) having a thickness of about 4 μm and made of the same material. Although it is low, since it is formed by the spraying method, the boundary between the end portions is inconspicuous. Therefore, the appearance of the touch panel 1 can be kept good.
【００３６】上述の図３の実施例によれば、水滴の侵入
による電極端子１８間の短絡が防止されるので、例えば
ドライブスルー形態のように屋外で使用される場合であ
っても、動作の信頼性を確保することができる。According to the embodiment of FIG. 3 described above, the short circuit between the electrode terminals 18 due to the intrusion of water droplets is prevented, so that the operation can be performed even when used outdoors, such as in the drive-through mode. The reliability can be secured.
【００３７】上述の実施例において、部分保護膜２０と
して、アルミナの蒸着膜に代えて、シリコン樹脂やメラ
ミン系又はアルキド系などの塗料を塗布して熱処理を加
えて硬化させるか、又は、多官能アクリレート系塗料に
紫外線を照射して硬化させることによって得られるハー
ドコート膜を設けてもよい。また、樹脂フィルム４０と
してポリエステル以外のフィルムを用いてもよい。In the above-mentioned embodiments, instead of the vapor deposition film of alumina, the partial protective film 20 is coated with a coating material such as a silicone resin or a melamine-based or alkyd-based material and then heat-treated to cure it, or a multifunctional material. A hard coat film obtained by irradiating an acrylate-based paint with ultraviolet rays to cure it may be provided. A film other than polyester may be used as the resin film 40.
【００３８】上述の実施例において、部分保護膜１９，
２０，４０ａの幅及び厚さは、タッチ領域ＥＴの大きさ
やエスカッション６０の断面形状などに応じて、適宜選
定することができる。In the above embodiment, the partial protective film 19,
The width and thickness of 20, 40a can be appropriately selected according to the size of the touch area ET, the cross-sectional shape of the escutcheon 60, and the like.
【００３９】[0039]
【発明の効果】本発明によれば、透明導電膜の損傷を抑
えて耐久性を高めることができる。請求項４の発明によ
れば、電極端子間の短絡による誤動作を防止し、信頼性
を高めることができる。According to the present invention, damage to the transparent conductive film can be suppressed and durability can be improved. According to the invention of claim 4, malfunction due to short circuit between the electrode terminals can be prevented and reliability can be improved.
【図１】本発明の第１実施例に係るタッチパネルの構成
を示す要部断面図である。FIG. 1 is a sectional view of an essential part showing the configuration of a touch panel according to a first embodiment of the present invention.
【図２】本発明の第２実施例に係るタッチパネルの構成
を示す要部断面図である。FIG. 2 is a cross-sectional view of main parts showing the configuration of a touch panel according to a second embodiment of the present invention.
【図３】本発明の第３実施例に係るタッチパネルの構成
を示す要部断面図である。FIG. 3 is a cross-sectional view of essential parts showing the configuration of a touch panel according to a third embodiment of the present invention.
【図４】図３のタッチパネルの平面図である。FIG. 4 is a plan view of the touch panel of FIG.
【図５】タッチパネルの使用状態を示す図である。FIG. 5 is a diagram showing a usage state of a touch panel.
【図６】従来のタッチパネルの構成を示す要部断面図で
ある。FIG. 6 is a cross-sectional view of an essential part showing the configuration of a conventional touch panel.
１，２，３ タッチパネル １０ ガラス基板（透明基板） １１ 透明導電膜 １４ 保護膜 １８ 電極端子 １９，２０ 部分保護膜 ４０ 樹脂フィルム ４０ａ 部分保護膜 ＥＴ タッチ領域 1, 2 and 3 touch panel 10 glass substrate (transparent substrate) 11 transparent conductive film 14 protective film 18 electrode terminal 19, 20 partial protective film 40 resin film 40a partial protective film ET touch area
Claims (5)
膜（１１）が設けられたタッチパネル（１，２，３）に
おいて、 タッチ領域（ＥＴ）の全域にわたって前記透明導電膜
（１１）を被覆する保護膜（１４）と、前記タッチ領域
（ＥＴ）内の周縁部のみについて前記透明導電膜（１
１）を被覆する部分保護膜（１９，２０，４０ａ）とを
有してなることを特徴とするタッチパネル。1. A touch panel (1, 2, 3) in which a transparent conductive film (11) is provided on the touch surface side of a transparent substrate (10), wherein the transparent conductive film (11) covers the entire touch area (ET). The protective film (14) for covering the transparent conductive film (1) and the transparent conductive film (1) only for the peripheral portion in the touch area (ET).
A touch panel comprising a partial protective film (19, 20, 40a) covering 1).
（１４）に比べて厚く形成されてなることを特徴とする
請求項１記載のタッチパネル。2. The touch panel according to claim 1, wherein the partial protective film (19) is formed thicker than the protective film (14).
（１４）に比べて硬い材質からなり、前記保護膜（１
４）上に設けられてなることを特徴とする請求項１記載
のタッチパネル。3. The partial protective film (20) is made of a material harder than the protective film (14),
4) The touch panel according to claim 1, which is provided on the touch panel.
（１４）に比べて厚い樹脂フィルム（４０）からなり、
前記保護膜（１４）上に設けられてなることを特徴とす
る請求項１記載のタッチパネル。4. The partial protective film (40a) is made of a resin film (40) thicker than the protective film (14),
The touch panel according to claim 1, wherein the touch panel is provided on the protective film (14).
領域（ＥＴ）の外側に配置された電極端子（１８）の周
囲を被覆するように設けられてなることを特徴とする請
求項４記載のタッチパネル。5. The resin film (40) is provided so as to cover the periphery of the electrode terminal (18) arranged outside the touch area (ET). Touch panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17288293A JP3386518B2 (en) | 1993-07-13 | 1993-07-13 | Touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17288293A JP3386518B2 (en) | 1993-07-13 | 1993-07-13 | Touch panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0728598A true JPH0728598A (en) | 1995-01-31 |
| JP3386518B2 JP3386518B2 (en) | 2003-03-17 |
Family
ID=15950072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17288293A Expired - Fee Related JP3386518B2 (en) | 1993-07-13 | 1993-07-13 | Touch panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3386518B2 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6896981B2 (en) * | 2001-07-24 | 2005-05-24 | Bridgestone Corporation | Transparent conductive film and touch panel |
| JP2006251927A (en) * | 2005-03-08 | 2006-09-21 | Sony Corp | Input device, touch panel and electronic device |
| JP2008083491A (en) * | 2006-09-28 | 2008-04-10 | Epson Imaging Devices Corp | Electro-optical device and electronic equipment |
| JP2009104612A (en) * | 2008-11-04 | 2009-05-14 | Sony Corp | Device |
| JP2010086498A (en) * | 2008-10-03 | 2010-04-15 | Hitachi Displays Ltd | Display device |
| JP2010113498A (en) * | 2008-11-06 | 2010-05-20 | Hitachi Displays Ltd | Display device |
| JP2010165332A (en) * | 2009-01-16 | 2010-07-29 | Samsung Mobile Display Co Ltd | Touch screen panel and method for manufacturing the same |
| US9927646B2 (en) | 2014-07-14 | 2018-03-27 | Japan Display Inc. | Display device having an adhesive layer |
| US10228688B2 (en) | 2015-09-04 | 2019-03-12 | YooJung Hong | Drone controller |
| US10915098B2 (en) | 2016-02-24 | 2021-02-09 | YooJung Hong | Object controller |
-
1993
- 1993-07-13 JP JP17288293A patent/JP3386518B2/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6896981B2 (en) * | 2001-07-24 | 2005-05-24 | Bridgestone Corporation | Transparent conductive film and touch panel |
| JP2006251927A (en) * | 2005-03-08 | 2006-09-21 | Sony Corp | Input device, touch panel and electronic device |
| JP2008083491A (en) * | 2006-09-28 | 2008-04-10 | Epson Imaging Devices Corp | Electro-optical device and electronic equipment |
| JP2010086498A (en) * | 2008-10-03 | 2010-04-15 | Hitachi Displays Ltd | Display device |
| JP2009104612A (en) * | 2008-11-04 | 2009-05-14 | Sony Corp | Device |
| JP2010113498A (en) * | 2008-11-06 | 2010-05-20 | Hitachi Displays Ltd | Display device |
| JP2010165332A (en) * | 2009-01-16 | 2010-07-29 | Samsung Mobile Display Co Ltd | Touch screen panel and method for manufacturing the same |
| US8345021B2 (en) | 2009-01-16 | 2013-01-01 | Samsung Display Co., Ltd. | Touch screen panel and method for fabricating the same |
| US9927646B2 (en) | 2014-07-14 | 2018-03-27 | Japan Display Inc. | Display device having an adhesive layer |
| US10036913B2 (en) | 2014-07-14 | 2018-07-31 | Japan Display Inc. | Display device |
| US10228688B2 (en) | 2015-09-04 | 2019-03-12 | YooJung Hong | Drone controller |
| US11009866B2 (en) | 2015-09-04 | 2021-05-18 | This Is Engineering Inc. | Drone controller |
| US10915098B2 (en) | 2016-02-24 | 2021-02-09 | YooJung Hong | Object controller |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3386518B2 (en) | 2003-03-17 |
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