五、發明說明（1) 【發明所屬之技術領域】 本發明係有關i 於利用以銅導線取2 ”種改良式觸控面板結構，特別有關 控面板。 彳習知銀漿線而製成無效邊寬更小的觸 【先别技術】 在鍵盤、滑鼠、击 售產品為求輪入侵 跡球、觸控面板相繼開發之後’卞 如鍵盤、滑9盥缸大都將多種輸入裝置整合在一起，例 控面板整合存’到現在將鍵盤、，鼠以及觸 著雷早甚ο < 1 田提鬲了輸入效率以及便利性。然而隨 朝向輕、薄、短'小、功能強桿發展， 法滿足此需求，再者，，種電子產品之設計 能同時擁有鍵盤、；而觸控面板由於上述需求，亦 作方α乳的功能以及手寫輸入等人性化的操 而，6ίi尤其將Input與0utput (Monltor)整合在同一介 .,^^ 更為其他傳統的輸入裝置所不及。因此觸控免 被=是幾種新式輸入裝置中’發展最為成熟穩定的介 、，也成為工業設計者在發展相關顯示器（Display)時， 運用在人機介面的最佳選擇，例如個人數位處理器 (PDA)—、 e-book 'Mobile Phone Handheld PC 、GPS 等新式 的顯示工具都選擇觸控面板作為其輸入裝置。 、’二 觸控面板依動作方式不同可分為：電阻式、電容式、 音波式、光導波式、荷重變化式· ··等，但其中又以電^阻 式最被廣泛運用，依各廒家設計不同又可區分為四線、五 線、六線等不同架構。 0632-8603TWF; AU91132 ; phoebe.ptd 第4頁 1225618 五、發明說明（2) 銦錫二 坡璃，18代表溥膜，12、14代表銦錫氧 /膜，1 6為在觸控面板四周形成的電極，2 0為 絕：材:、構成的隔層(dot spacer)，此外，一般觸控面板 四周形成的電極構成一邊緣線路區Q，而位於該邊緣線路 區之内的區域則為動作區P，如第3圖之習知觸控面板的上 視圖所示。觸控面板之技術原理是以上述透明導電玻璃 (ITO GlaSS)10 及透明導電薄膜（IT〇 Fiim)i2、14 各依χ，V. Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to the use of 2 "improved touch panel structures with copper wires, especially the control panel. 彳 Know the silver paste line to make an invalid edge width Smaller touch [Don't know the technology] After keyboards, mice, and hit products have been developed for the invasion of trackballs, and touch panels have been developed successively, such as keyboards and sliding 9 cylinders, many types of input devices are integrated together. The control panel is integrated with the keyboard, mouse, and touch Lei Zao has been so far. ≪ 1 Tian Tian has improved the input efficiency and convenience. However, with the development of light, thin, short, small, powerful functions, it can not meet This demand, and furthermore, the design of electronic products can have a keyboard at the same time; and because of the above requirements, the touch panel also functions as a alpha-numeric function and hand-written operations such as handwriting input. Monltor) is integrated in the same medium. ^^ is more inferior to other traditional input devices. Therefore, touch-free is the most mature and stable medium among several new types of input devices, and it has also become an industrial designer's development. When displaying related displays, the best choice to use in the human-machine interface, such as personal digital processors (PDAs), e-book 'Mobile Phone Handheld PC, GPS and other new display tools have chosen touch panels as their Input devices. The two touch panels can be divided into resistive, capacitive, sonic, light-guided, and load-varying types according to different action modes, but electrical resistance is the most widely used. It can be divided into four-wire, five-wire, six-wire and other architectures according to the design of each house. 0632-8603TWF; AU91132; phoebe.ptd Page 4 1225618 V. Description of the invention (2) Indium tin Erpo glass, 18 Represents rhenium film, 12 and 14 represent indium tin oxide / film, 16 are electrodes formed around the touch panel, 20 are insulation: material :, the spacer formed by (dot spacer), and generally around the touch panel The formed electrode forms an edge circuit area Q, and the area located within the edge circuit area is the action area P, as shown in the top view of the conventional touch panel in FIG. 3. The technical principle of the touch panel is The above-mentioned transparent conductive glass (ITO GlaSS) 10 and transparent The conductive thin films (IT0 Fiim) i2, 14 are each dependent on χ,
γ轴佈線，在上下部透明電極設有隔層（d〇t space〇2〇以 隔離透明導電玻璃以及透明導電薄膜。當以手才旨、筆或1 ::;22對上部電極施加壓力時，上下部電極間接流通:、 f位I，上下線路交錯處即形成一開關（Switch)，按 ，即產生0N/0FF作用’ ON/〇FF信號再經由排線傳給控制： 處理，而計算施壓處的座標位置。 W 、然，，目前一般觸控面板位於周圍的邊緣線路區部 1中::二圖代所二圖係緣示第1圖中"分的放大圖， 黏著層，例如雙面膠，而26為作為電極的銀裝：膜上 漿線係以銀顆粒以及高分子膠材所製成，其具有高阻抗义 特性，而為了降低線路所需阻值，因此銀漿線之^ 一般為1.5麗，也就是第2圖中b所示，再加上形成銀漿線見 之位置=能緊連著上述IT0玻璃的邊界，必須留一小距 (:目：製程而言多為〇. 5 _ ) ’以避免銀漿線外： 外遝必須加上使後續形成之ΙΤ〇薄膜附著於隔層上 0632-8603TWF; AU91132 ; phoebe.ptd 第5頁 1225618 五、發明說明（3) - 黏著層2 8，一般係使用雙面膠，且其寬度較佳為超過該銀 r 聚線0 · 3 πι πι ’也就是總長為0 . 5 + 1. 5 + 0 . 3二2 . 3 m m，因此若 ' 以上述習知觸控面板的上視圖來看，如第3圖所示，位於 動作區P四周的邊緣線路區Q，也就是無效邊寬的寬度達2. 3 mm，如第2圖中c所示。換句話說，觸控面板之設計必須 考慮到邊緣線路區之無效邊寬最小值為2. 3 mm，因此觸控 面板的尺寸無法縮小。 【發明說明】 有鑑於此，本發明提供一種改良式觸控面板的結構， 以銅導線取代習知的銀漿線作為觸控面板的電極，可有效 φ 減少習知觸控面板無效邊寬的寬度（S 1 mm )，因而能夠 達到更小面積的觸控面板設計。 為了達成本發明，本發明之改良式觸控面板的結構包 括：一透明導電玻璃；一銅導線層，以距離該透明導電玻 璃邊緣一既定距離配置於該透明導電玻璃之周圍，該銅導 電層之寬度小於0. 2 mm ; —透明導電薄膜，相對於該透明 導電玻璃而配置；以及一隔層，位於該透明導電薄膜以及 該透明導電玻璃之間並覆蓋該銅導線層。 為了讓本發明之上述目的、特徵和優點更明顯易懂， 下文特舉出較佳實施例，並配合所附圖示，作詳細說明如 ·γ-axis wiring, with a separate layer (d0t space〇2〇) on the upper and lower transparent electrodes to isolate the transparent conductive glass and transparent conductive film. When pressure is applied to the upper electrode by hand, pen or 1 :: 22 , The upper and lower electrodes indirectly flow: f bit I, a switch is formed at the intersection of the upper and lower lines, and a 0N / 0FF action is generated, and the ON / 〇FF signal is transmitted to the control via the cable: processing, calculation Coordinate position of the pressure point. W, of course, the current general touch panel is located in the surrounding edge circuit area 1: the second figure represents the enlarged figure of the margin in the first figure, the adhesive layer For example, double-sided tape, and 26 is silver as the electrode: the film sizing line is made of silver particles and polymer glue, which has high impedance meaning, and in order to reduce the required resistance of the line, silver The ^ of the paste line is generally 1.5 li, which is shown in b in Figure 2, plus the position where the silver paste line is formed = can be closely connected to the boundary of the above IT0 glass, a small distance must be left (: mesh: manufacturing process In most cases, it is 0.5 _) 'to avoid the silver paste line: the outer shell must be added to make the subsequent formation of Τ〇 film is attached to the spacer 0632-8603TWF; AU91132; phoebe.ptd Page 5 1225618 V. Description of the invention (3)-Adhesive layer 28, usually using double-sided tape, and its width is preferably more than the silver r polyline 0 · 3 πι πι ', that is, the total length is 0.5 + 1. 5 + 0. 3 2 2. 3 mm, so if' from the above view of the conventional touch panel, as shown in Figure 3 As shown, the edge circuit area Q around the action area P, that is, the width of the inactive edge width is 2.3 mm, as shown in c in Figure 2. In other words, the design of the touch panel must consider the edge circuit The minimum value of the invalid side width of the area is 2.3 mm, so the size of the touch panel cannot be reduced. [Explanation of the Invention] In view of this, the present invention provides an improved touch panel structure, which uses copper wires to replace the conventional silver. As the electrode of the touch panel, the pulp line can effectively reduce the width of the ineffective edge width (S 1 mm) of the conventional touch panel, so that the touch panel design with a smaller area can be achieved. In order to achieve the cost of the invention, the present invention is improved Structure of the touch panel includes: a transparent conductive glass; a copper wire Is arranged around the transparent conductive glass at a predetermined distance from the edge of the transparent conductive glass, and the width of the copper conductive layer is less than 0.2 mm; a transparent conductive film is disposed relative to the transparent conductive glass; and a barrier layer Is located between the transparent conductive film and the transparent conductive glass and covers the copper wire layer. In order to make the above-mentioned object, features and advantages of the present invention more obvious and easy to understand, the preferred embodiments are listed below with the accompanying drawings Display, for detailed explanations such as ·
示面 繪剖Display surface
0632-8603TWF; AU91132 ; phoebe.ptd 第6頁 1225618 五、發明說明（4) 首先’提供一塗佈有銦錫氧化物（丨T〇 )之透明絕緣基 板做為透明導電的觸控面板基板3 0 0，上述塗佈I TO之方法 可使用例如化學氣相沈積（CVD )法。接著，請參照第5 圖’第5圖係繪示本實施例之觸控面板邊緣部分的剖面 圖。在該I T 0玻璃基板3 〇 〇的周圍以距離邊緣a，的位置上形 成見度b’為0.2 mm的銅導電層260。上述銅導電層的形成 方法可使用例如貼附（丨am i )或電鍍（p 1 i ng)等。上 迷用以避免銅導線外露於透明導電基板的距離a，就現有技 術而言，大約為0. 5 mm。 然後’全面性以絕緣材料，例如高分子膠材形成隔層 3 2 0於該no玻璃基板3〇〇上，而覆蓋該銅導線26〇，該隔層 ^作用為係用以隔離IT0玻璃基板3〇〇以及後續形成的！T〇 薄膜。接著，形成一黏著層28〇於該絕緣層32〇上，該黏著 ^可使用例如雙面膠，其較佳寬度為〇 · 3 mm，因此無效邊 見總長為0· 2 +〇· 5 +0. 3 = 1. 〇mm。最後，形成一IT0薄膜 340覆蓋該黏著層28〇以及隔層32〇，而與上述17〇玻璃基板 3 〇 0以及夾在該丨τ〇薄膜與該丨τ〇玻璃基板之間的隔層及線 路形成一觸控面板。此時，位於該丨τ〇玻璃基板四周的邊 '、承線路區Q的操效寬度為1 m m，由第4圖所繪示之根據本 貫施例之觸控面板的上視圖可看出，邊緣線路區q，明顯減 小’因而使動作區P’增大，因而達成本發明之減少觸控面 板無效邊寬的目的。 根據本發明之改良式觸控面板結構，以銅導線取代習 知的銀漿線，可大幅減少所需線路的寬度，因而減小位於0632-8603TWF; AU91132; phoebe.ptd Page 6 1225618 5. Description of the invention (4) First, 'provide a transparent insulating substrate coated with indium tin oxide (丨 T〇) as a transparent conductive touch panel substrate 3 0 0. The above-mentioned method of applying I TO can be, for example, a chemical vapor deposition (CVD) method. Next, please refer to FIG. 5 and FIG. 5 is a cross-sectional view showing an edge portion of the touch panel of this embodiment. A copper conductive layer 260 having a visibility b 'of 0.2 mm was formed around the ITO glass substrate 300 at a distance from the edge a ,. The method for forming the above-mentioned copper conductive layer may be, for example, attaching (plating) or electroplating (p 1 i ng). 5 mm。 The distance a to avoid the copper wire exposed on the transparent conductive substrate, the distance a, as far as the prior art is concerned, about 0.5 mm. Then, a comprehensive layer 3 2 0 is formed on the no glass substrate 300 with an insulating material, such as a polymer glue, and the copper wire 26 0 is covered. The barrier layer is used to isolate the IT 0 glass substrate. 3〇〇 and subsequent formation! T〇 Film. Next, an adhesive layer 28 is formed on the insulating layer 32. The adhesive ^ can be, for example, double-sided tape, and its preferred width is 0.3 mm, so the total length of the inactive edge is 0. 2 + 0. 5 + 0. . 3 = 1.0 mm. Finally, an ITO film 340 is formed to cover the adhesive layer 28 and the spacer layer 32, and the ITO film 340 and the 170 glass substrate 300 and the spacer layer sandwiched between the ττ film and the ττ glass substrate and The circuit forms a touch panel. At this time, the edge located around the ττ glass substrate and the operating width of the supporting circuit area Q is 1 mm, which can be seen from the top view of the touch panel according to the embodiment shown in FIG. 4. The edge circuit area q is significantly reduced, thereby increasing the action area P, thereby achieving the purpose of reducing the invalid edge width of the touch panel according to the present invention. According to the improved touch panel structure of the present invention, the copper wire is used to replace the conventional silver paste wire, which can greatly reduce the width of the required circuit, thereby reducing the
〇632-_TWF;臟 132 ; phQebe ptd 第7頁 1225618 五、發明說明（5) 觸控面板四周的邊緣線路區無效線寬的大小，所以在觸控 面板的尺寸設計上可更為縮小。 雖然本發明已以較佳實施例揭露如上，然其並非用以 限定本發明，任何熟習此技藝者，在不脫離本發明之精神 和範圍内，當可作些許之更動與潤飾，因此本發明之保護 範圍當視後附之申請專利範圍所界定者為準。〇632-_TWF; dirty 132; phQebe ptd page 7 1225618 V. Description of the invention (5) The size of the invalid line width of the edge circuit area around the touch panel, so the size of the touch panel can be further reduced. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications and retouching without departing from the spirit and scope of the present invention. The scope of protection shall be determined by the scope of the attached patent application.
0632-8603TWF; AU91132 ; phoebe.ptd 第8頁 1225618 圖式簡單說明 第1圖係顯示一般觸控面板的剖面圖。 第2圖係顯示第1圖中A部分的放大剖面圖。 第3圖係顯示習知一般觸控面板的上視圖。 第4圖係顯示本發明之實施例的改良式觸控面板結構 整體的上視圖。 第5圖係顯示本發明之實施例的改良式觸控面板結構 中邊緣線路區的剖面圖。 [符號說明] 10、18〜ITO玻璃； 12、14〜ITO薄膜； 1 6〜電極； 2 0〜隔層； 22〜介質； 2 6〜銀漿線； 28、280〜黏著層； 30、300〜透明導電玻璃； 3 2、3 2 0〜絕緣層； 34、340〜透明導電薄膜； 2 6 0〜銅導線； p、P’〜動作區； Q、Q 〜邊緣線路區。0632-8603TWF; AU91132; phoebe.ptd Page 8 1225618 Brief description of drawings Figure 1 is a cross-sectional view of a general touch panel. Fig. 2 is an enlarged cross-sectional view showing part A in Fig. 1. FIG. 3 is a top view of a conventional touch panel. FIG. 4 is a top view showing the entire structure of an improved touch panel according to an embodiment of the present invention. FIG. 5 is a cross-sectional view of an edge circuit region in an improved touch panel structure according to an embodiment of the present invention. [Symbol description] 10, 18 ~ ITO glass; 12, 14 ~ ITO thin film; 16 ~ electrode; 20 ~ interlayer; 22 ~ medium; 26 ~ silver paste line; 28,280 ~ adhesive layer; 30,300 ~ Transparent conductive glass; 3 2, 3 2 0 ~ insulating layer; 34, 340 ~ transparent conductive film; 2 60 ~ copper wire; p, P '~ action area; Q, Q ~ edge circuit area.
0632-8603TWF; AU91132 ; phoebe.ptd 第9頁0632-8603TWF; AU91132; phoebe.ptd p. 9