CN103677367B - Touch panel - Google Patents

A touch panel comprises a substrate, a plurality of first electrode wires, a plurality of groups of electrode pads, a plurality of first connecting wires, a plurality of second connecting wires and a flexible circuit board. The substrate has a first surface and a bonding region. The first electrode lines are arranged on the first surface side by side along a first direction and extend along a second direction respectively, wherein the first direction is orthogonal to the second direction. Each group of electrode pads is arranged on one side of the corresponding first electrode wire along the second direction. The first connecting wires are respectively connected with the first electrode wires, the second connecting wires are respectively connected with the electrode pads, and the first connecting wires and the second connecting wires extend to the junction area along the second direction. The flexible circuit board is jointed to the jointing area, and a plurality of bridging circuits of the flexible circuit board are respectively connected with the second connecting wires, so that the corresponding electrode pads in the same first direction form a second electrode wire.

触控面板touch panel

技术领域technical field

本发明涉及一种触控面板，且特别涉及一种电容式触控面板。The present invention relates to a touch panel, and in particular to a capacitive touch panel.

背景技术Background technique

近年来，随着信息技术、无线移动通信和信息家电的快速发展与应用，为了达到更便利、体积更轻巧化以及更人性化的目的，许多信息产品已由传统的键盘或鼠标等输入装置，转变为使用触控面板(Touch Panel)作为输入装置。In recent years, with the rapid development and application of information technology, wireless mobile communications and information home appliances, many information products have been replaced by traditional input devices such as keyboards or mice in order to achieve more convenience, smaller size and more humanization. Change to using touch panel (Touch Panel) as input device.

触控面板依照感测形式的不同可大致上区分为电阻式触控面板、电容式触控面板、光学式触控面板、声波式触控面板以及电磁式触控面板。由于电容式触控面板相较于其他类型的触控面板具有反应时间快、可靠度佳以及解析度高(high definition)等优点，因此被广泛地应用于各类手持电子装置上。Touch panels can be roughly classified into resistive touch panels, capacitive touch panels, optical touch panels, acoustic wave touch panels, and electromagnetic touch panels according to different sensing modes. Compared with other types of touch panels, the capacitive touch panel has the advantages of fast response time, good reliability and high definition, so it is widely used in various handheld electronic devices.

电容式触控面板通过相互交错的多个线状电极来构成感测阵列，以达成面的感测。当使用者以手指接触触控面板时，触控面板会依据感测阵列上的电容变化来判断手指接触的位置。The capacitive touch panel forms a sensing array through a plurality of interlaced linear electrodes to achieve surface sensing. When the user touches the touch panel with a finger, the touch panel will determine the position of the finger contact according to the capacitance change on the sensing array.

已知触控面板的周边线路或是电极垫的连接线路会占用基板上的布线空间。当感测解析度增加时，复杂的走线会占用更大的边框区域或是对电极垫的设置造成限制。如此，不利于触控面板的结构与电性设计。It is known that the peripheral circuits of the touch panel or the connection circuits of the electrode pads occupy the wiring space on the substrate. When the sensing resolution increases, the complex wiring will occupy a larger frame area or limit the arrangement of the electrode pads. This is not conducive to the structure and electrical design of the touch panel.

发明内容Contents of the invention

本发明提供一种触控面板，其可有效利用基板上的布线空间，以增进结构与电性设计的余裕度(tolerance)。The invention provides a touch panel, which can effectively utilize the wiring space on the substrate, so as to improve the tolerance of structure and electrical design.

本发明提出一种触控面板包括一基板、多条第一电极线、多组电极垫、多条第一连接线、多条第二连接线以及一软性电路板。所述基板具有一第一表面，且第一表面外围具有一接合区。所述多条第一电极线沿一第一方向并排于第一表面上，且各第一电极线沿一第二方向延伸，其中第一方向与第二方向正交。所述多组电极垫位于第一表面上，并且分别对应于第一电极线设置，其中各组电极垫沿第二方向排列于相应的第一电极线的一侧。所述多条第一连接线，分别连接第一电极线，并且沿第二方向延伸至接合区。所述多条第二连接线，分别连接电极垫，并且沿第二方向延伸至接合区。所述软性电路板接合至接合区，其中软性电路板包括多个桥接线路，分别连接第二连接线，每一桥接电路通过相应的第二连接线电性连接同一第一方向上的相应电极垫，以形成一第二电极线。The present invention proposes a touch panel including a substrate, a plurality of first electrode lines, a plurality of sets of electrode pads, a plurality of first connection lines, a plurality of second connection lines and a flexible circuit board. The substrate has a first surface, and the periphery of the first surface has a bonding area. The plurality of first electrode lines are arranged side by side on the first surface along a first direction, and each first electrode line extends along a second direction, wherein the first direction is perpendicular to the second direction. The plurality of sets of electrode pads are located on the first surface and arranged corresponding to the first electrode lines respectively, wherein each set of electrode pads is arranged on one side of the corresponding first electrode lines along the second direction. The plurality of first connection lines are respectively connected to the first electrode lines and extend to the bonding area along the second direction. The plurality of second connection lines are respectively connected to the electrode pads and extend to the bonding area along the second direction. The flexible circuit board is bonded to the bonding area, wherein the flexible circuit board includes a plurality of bridging lines, which are respectively connected to the second connection lines, and each bridging circuit is electrically connected to corresponding electrode pads to form a second electrode line.

在本发明的一实施例中，所述各第一电极线具有对应于电极垫的多个缺口，且各电极垫的至少一部分位于相应的缺口内。In an embodiment of the present invention, each of the first electrode lines has a plurality of notches corresponding to the electrode pads, and at least a part of each electrode pad is located in the corresponding notches.

在本发明的一实施例中，所述各电极垫的形状与其相应的缺口的形状互补。In an embodiment of the present invention, the shape of each electrode pad is complementary to the shape of its corresponding notch.

在本发明的一实施例中，所述各电极垫与其相应的缺口为梳状。In an embodiment of the present invention, each electrode pad and its corresponding notch are comb-shaped.

在本发明的一实施例中，所述各第一电极线的缺口与其相应的一组电极垫分别形成一锯齿状结构。In an embodiment of the present invention, the notch of each first electrode line and its corresponding set of electrode pads respectively form a zigzag structure.

在本发明的一实施例中，所述第二连接线的材料包括导电透明材料。In an embodiment of the present invention, the material of the second connection line includes conductive transparent material.

在本发明的一实施例中，所述触控面板包括多个接点，设置于接合区内，且这些接点分别连接第一连接线与第二连接线，并与软性电路板上的多个引脚对应接合。In an embodiment of the present invention, the touch panel includes a plurality of contacts, which are arranged in the bonding area, and these contacts are respectively connected to the first connection line and the second connection line, and are connected to a plurality of contacts on the flexible circuit board. The pins are mated accordingly.

在本发明的一实施例中，所述触控面板还包括一控制芯片，配置在软性电路板上，并且经由软性电路板电性连接到第一连接线以及第二连接线。In an embodiment of the present invention, the touch panel further includes a control chip disposed on the flexible circuit board and electrically connected to the first connecting line and the second connecting line through the flexible circuit board.

在本发明的一实施例中，所述触控面板还包括一印刷电路板以及一控制芯片。印刷电路板电性连接于软性电路板。控制芯片配置于印刷电路板上，并且通过印刷电路板以及软性电路板电性连接到第一连接线以及第二连接线。In an embodiment of the present invention, the touch panel further includes a printed circuit board and a control chip. The printed circuit board is electrically connected to the flexible circuit board. The control chip is configured on the printed circuit board, and is electrically connected to the first connecting line and the second connecting line through the printed circuit board and the flexible circuit board.

在本发明的一实施例中，所述第一电极线为驱动线，而所述第二电极线为感测线。In an embodiment of the present invention, the first electrode lines are driving lines, and the second electrode lines are sensing lines.

基于上述，本发明的触控面板利用软性电路板的桥接线路将相应的第二连接线连接，可以简化触控面板的制程，提高生产良率并缩减触控面板的边框尺寸。Based on the above, the touch panel of the present invention uses the bridging lines of the flexible circuit board to connect the corresponding second connection lines, which can simplify the manufacturing process of the touch panel, improve the production yield and reduce the frame size of the touch panel.

为让本发明的上述特征和优点能更明显易懂，下文特举实施例，并配合附图作详细说明如下。In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings.

附图说明Description of drawings

图1是依照本发明的一实施例的一种触控面板的示意图。FIG. 1 is a schematic diagram of a touch panel according to an embodiment of the invention.

图2是依照本发明的另一实施例的一种触控面板的示意图。FIG. 2 is a schematic diagram of a touch panel according to another embodiment of the present invention.

图3是本发明的第一电极线以及电极垫的另一种实施方式的示意图。Fig. 3 is a schematic diagram of another embodiment of the first electrode line and electrode pad of the present invention.

图4是本发明的第一电极线以及电极垫的又一种实施方式的示意图。Fig. 4 is a schematic diagram of another embodiment of the first electrode line and the electrode pad of the present invention.

【主要元件符号说明】[Description of main component symbols]

100、200、300、400：触控面板100, 200, 300, 400: touch panel

110：基板110: Substrate

112：第一表面112: First Surface

112a：接合区112a: Engagement zone

114：接点114: contact

120、320、420：第一电极线120, 320, 420: first electrode wire

130、330、430：电极垫130, 330, 430: electrode pads

132：第二电极线132: Second electrode wire

140：第一连接线140: first connection line

150、450：第二连接线150, 450: the second connection line

160、260：软性电路板160, 260: flexible circuit board

162：桥接线路162: Bridged Line

164：引脚164: pin

170、270：控制芯片170, 270: control chip

280：印刷电路板280: printed circuit board

320a、420a：缺口320a, 420a: gaps

322、332：凸部322, 332: convex part

324、334：凹部324, 334: concave part

432：三角形图案432: Triangle Pattern

D1：第一方向D1: first direction

D2：第二方向D2: Second direction

具体实施方式detailed description

图1是依照本发明的一实施例的一种触控面板的示意图。请参考图1，触控面板100包括一基板110、多条第一电极线120、多组电极垫130、多条第一连接线140、多条第二连接线150以及一软性电路板160。前述的基板110，具有一第一表面112，且第一表面112外围具有一接合区112a。多条第一电极线120，沿一第一方向D1并排于第一表面112上，且各第一电极线120沿一第二方向D2延伸，其中第一方向D1与第二方向D2正交。FIG. 1 is a schematic diagram of a touch panel according to an embodiment of the invention. Please refer to FIG. 1, the touch panel 100 includes a substrate 110, a plurality of first electrode lines 120, a plurality of sets of electrode pads 130, a plurality of first connection lines 140, a plurality of second connection lines 150 and a flexible circuit board 160. . The aforementioned substrate 110 has a first surface 112 , and a bonding area 112 a is formed on the periphery of the first surface 112 . A plurality of first electrode lines 120 are arranged side by side on the first surface 112 along a first direction D1, and each first electrode line 120 extends along a second direction D2, wherein the first direction D1 is perpendicular to the second direction D2.

多组电极垫130位于第一表面112上，并且分别对应于第一电极线120设置，其中各组电极垫130沿第二方向D2排列于相应的第一电极线120的一侧。多条第一连接线140分别连接第一电极线120，并且沿第二方向D2延伸至接合区112a。多条第二连接线150分别连接电极垫130，并且沿第二方向D2延伸至接合区112a。软性电路板160，例如以贴附的方式接合至接合区112a。其中软性电路板160包括多个桥接线路162，分别连接第二连接线150，每一桥接线路162通过相应的第二连接线150电性连接同一第一方向D1上的相应电极垫130，以形成一第二电极线132。A plurality of sets of electrode pads 130 are located on the first surface 112 and respectively corresponding to the first electrode lines 120 , wherein each set of electrode pads 130 is arranged on one side of the corresponding first electrode line 120 along the second direction D2 . The plurality of first connection lines 140 are respectively connected to the first electrode lines 120 and extend to the bonding area 112a along the second direction D2. The plurality of second connection lines 150 are respectively connected to the electrode pads 130 and extend to the bonding area 112a along the second direction D2. The flexible circuit board 160 is, for example, bonded to the bonding area 112 a in an adhesive manner. The flexible circuit board 160 includes a plurality of bridging lines 162 respectively connected to the second connection lines 150, and each bridging line 162 is electrically connected to the corresponding electrode pad 130 in the same first direction D1 through the corresponding second connection line 150, so as to A second electrode line 132 is formed.

在本实施例中，各第二连接线150是通过软性电路板160上的桥接线路162将相应的各个电极垫130串接成一第二电极线132，因此不需要在基板110上进行额外的桥接制程，所以可以简化触控面板100的制程，提高生产良率并且节省成本。此外，由于制作在软性电路板160上的桥接线路162中，各线路之间的间距(pitch)会小于直接制作在基板110上所能制作的线路间距，因此将桥接线路162制作在软性电路板160上更兼具缩小触控面板100的边框尺寸的优点。In this embodiment, each second connection line 150 connects the corresponding electrode pads 130 in series to form a second electrode line 132 through the bridging line 162 on the flexible printed circuit board 160, so no additional work on the substrate 110 is required. The bridging process can simplify the process of the touch panel 100 , improve the production yield and save the cost. In addition, since the pitch of each circuit in the bridge circuit 162 fabricated on the flexible circuit board 160 will be smaller than the pitch of the circuit that can be fabricated directly on the substrate 110, the bridge circuit 162 is fabricated on the flexible circuit board 160. The circuit board 160 also has the advantage of reducing the frame size of the touch panel 100 .

另外，在本实施例中，各第一电极线120是沿第二方向D2延伸，且各第二电极线132实质上是沿第一方向D1延伸，所以第一电极线120与第二电极线132实质上是交叉配置在基板110的第一表面112上，形成多行以及多列的阵列排列。通过交叉配置的第一电极线120以及第二电极线132，触控面板100可达成面的感测。当使用者以手指接触触控面板100时，触控面板100的第一电极线120与第二电极线132会在手指所接触的位置上产生一电容的改变。触控面板100便可由此电容上的改变而计算出接触点的坐标并传送至与其连接的电子装置。在本实施例中，第一电极线120为驱动线，而第二电极线132为感测线，利用两种不同的电极线来达到所需要的感测功能。In addition, in this embodiment, each first electrode line 120 extends along the second direction D2, and each second electrode line 132 substantially extends along the first direction D1, so the first electrode lines 120 and the second electrode lines 132 are substantially arranged crosswise on the first surface 112 of the substrate 110 to form an array arrangement of multiple rows and multiple columns. Through the intersecting first electrode lines 120 and second electrode lines 132 , the touch panel 100 can achieve surface sensing. When the user touches the touch panel 100 with a finger, the first electrode lines 120 and the second electrode lines 132 of the touch panel 100 will generate a capacitance change at the position touched by the finger. The touch panel 100 can calculate the coordinates of the contact point from the change in capacitance and transmit it to the electronic device connected thereto. In this embodiment, the first electrode lines 120 are driving lines, and the second electrode lines 132 are sensing lines. Two different electrode lines are used to achieve the required sensing function.

此外，各第二连接线150是相接于各电极垫130的同一侧，并配置在一第一电极线120以及其所相接的电极垫130之间。这样的布局的方式，是将第二连接线150配置在各第一电极线120与电极垫130之间的空间，所以可达到缩减触控面板100的边框尺寸的功能。在本实施例中，各第二连接线150材料包括导电透明材料，例如为铟锡氧化物(Indium Tin Oxide，ITO)、铟锌氧化物(Indium Zinc Oxide，IZO)、氧化铝锌(Al doped zinc oxide，AZO)或氧化铟(Indium Oxide)或上述的任意组合等。In addition, each second connection line 150 is connected to the same side of each electrode pad 130 , and is arranged between a first electrode line 120 and the electrode pad 130 connected thereto. Such a layout method is to dispose the second connection lines 150 in the spaces between the first electrode lines 120 and the electrode pads 130 , so that the function of reducing the frame size of the touch panel 100 can be achieved. In this embodiment, the material of each second connection line 150 includes a conductive transparent material, such as indium tin oxide (Indium Tin Oxide, ITO), indium zinc oxide (Indium Zinc Oxide, IZO), aluminum zinc oxide (Al doped zinc oxide, AZO) or indium oxide (Indium Oxide) or any combination of the above, etc.

在本实施例中，第一电极线120以及电极垫130皆位于第一表面112上，可以减少触控面板100的厚度并增加穿透率。因此，当触控面板100与一显示面板整合为具有触控功能的显示器时，可以提供良好的显示效果。In this embodiment, both the first electrode lines 120 and the electrode pads 130 are located on the first surface 112 , which can reduce the thickness of the touch panel 100 and increase the penetration rate. Therefore, when the touch panel 100 is integrated with a display panel to form a display with a touch function, good display effect can be provided.

如图1所绘示，详细而言，触控面板100包括多个接点114，设置于接合区112a内。多个接点114分别连接各第一连接线140与各第二连接线150，并与软性电路板160上的多个引脚164对应接合。此外，触控面板100还包括一控制芯片170，配置在软性电路板160上，且控制芯片170电性连接于软性电路板160。控制芯片170经由软性电路板160电性连接到第一连接线140以及第二连接线150。控制芯片170可以通过第一连接线140以及第二连接线150传输与第一电极线120以及电极垫130中的输入信号以及输出信号。在本实施例中，控制芯片170是配置在软性电路板160上，换句话说，本实施例的控制芯片170是以薄膜覆晶封装(chip-on-film，COF)结构为例。当然，控制芯片170与第一连接线140以及第二连接线150电性连接的方式并不限于此。As shown in FIG. 1 , in detail, the touch panel 100 includes a plurality of contacts 114 disposed in the bonding area 112 a. The plurality of contacts 114 are respectively connected to each of the first connecting wires 140 and each of the second connecting wires 150 , and correspondingly bonded to a plurality of pins 164 on the flexible circuit board 160 . In addition, the touch panel 100 further includes a control chip 170 disposed on the flexible circuit board 160 , and the control chip 170 is electrically connected to the flexible circuit board 160 . The control chip 170 is electrically connected to the first connection line 140 and the second connection line 150 via the flexible circuit board 160 . The control chip 170 can transmit input signals and output signals to the first electrode lines 120 and the electrode pads 130 through the first connection line 140 and the second connection line 150 . In this embodiment, the control chip 170 is disposed on the flexible circuit board 160 . In other words, the control chip 170 in this embodiment is an example of a chip-on-film (COF) structure. Of course, the manner in which the control chip 170 is electrically connected to the first connection line 140 and the second connection line 150 is not limited thereto.

图2是依照本发明的另一实施例的一种触控面板的示意图。在此必须说明的是，图2沿用图1的元件标号与部分内容，其中采用相同的标号来表示相同或近似的元件，并且省略了相同技术内容的说明。关于省略部分的说明可参考前述实施例，在此不再重复赘述。FIG. 2 is a schematic diagram of a touch panel according to another embodiment of the present invention. It should be noted here that FIG. 2 continues to use the component numbers and parts of the content in FIG. 1 , wherein the same numbers are used to denote the same or similar components, and the description of the same technical content is omitted. For the description of the omitted part, reference may be made to the foregoing embodiments, and details are not repeated here.

请参考图2，本实施例与图1的实施例的主要差异在于控制芯片270的封装方式。在本实施例中，触控面板200包括一印刷电路板280以及一控制芯片270。印刷电路板电性280连接于软性电路板260，控制芯片270配置于印刷电路板280上，并且通过印刷电路板280以及软性电路板260电性连接到第一连接线140以及第二连接线150。控制芯片270通过第一连接线140以及第二连接线150传输第一电极线120以及电极垫130中的输入信号以及输出信号。由于本实施例的控制芯片270是配置在印刷电路板280上，故本实施例的控制芯片270是以晶粒-电路板封装结构(chip-on-board，COB)为例。此外，软性电路板260可上可配置一连接器，并经由连接器使软性电路板260与印刷电路板280连结。Please refer to FIG. 2 , the main difference between this embodiment and the embodiment shown in FIG. 1 lies in the packaging method of the control chip 270 . In this embodiment, the touch panel 200 includes a printed circuit board 280 and a control chip 270 . The printed circuit board 280 is electrically connected to the flexible circuit board 260, and the control chip 270 is disposed on the printed circuit board 280, and is electrically connected to the first connection line 140 and the second connection line 140 through the printed circuit board 280 and the flexible circuit board 260. Line 150. The control chip 270 transmits the input signal and the output signal in the first electrode line 120 and the electrode pad 130 through the first connection line 140 and the second connection line 150 . Since the control chip 270 of this embodiment is configured on the printed circuit board 280 , the control chip 270 of this embodiment is a chip-on-board (COB) package structure as an example. In addition, a connector can be disposed on the flexible circuit board 260 , and the flexible circuit board 260 can be connected with the printed circuit board 280 through the connector.

图3是本发明的第一电极线以及电极垫的另一种实施方式的示意图。由于触控面板是通过手指所接触的位置上产生一电容的改变，再通过此电容上的改变而计算出接触点的坐标并传送至与其连接的电子装置。因此，如何使第一电极线以及电极垫之间的耦合电容增加是设计上的要点之一。在本实施例中，各第一电极线320具有对应于电极垫330的多个缺口320a，且各电极垫330的至少一部分位于相应的缺口320a内。在本实施例中，电极垫330的形状与其相应的缺口320a的形状互补。举例而言，当电极垫330是凸状，则缺口320a则为凹状。在电极垫330的形状与其相应的缺口320a的形状为互补的情况下，各第一电极线320以及对应的电极垫330之间的电容可以有效地增加。Fig. 3 is a schematic diagram of another embodiment of the first electrode line and electrode pad of the present invention. Since the touch panel produces a change in capacitance at the position touched by the finger, and then calculates the coordinates of the touch point through the change in capacitance and transmits it to the electronic device connected thereto. Therefore, how to increase the coupling capacitance between the first electrode lines and the electrode pads is one of the design points. In this embodiment, each first electrode line 320 has a plurality of notches 320 a corresponding to the electrode pads 330 , and at least a part of each electrode pad 330 is located in the corresponding notch 320 a. In this embodiment, the shape of the electrode pad 330 is complementary to the shape of its corresponding notch 320a. For example, when the electrode pad 330 is convex, the notch 320a is concave. In the case that the shape of the electrode pad 330 is complementary to the shape of the corresponding notch 320a, the capacitance between each first electrode line 320 and the corresponding electrode pad 330 can be effectively increased.

承上所述，如图3所绘示，本实施例是以各电极垫330与其相应的缺口320a为梳状为例进行说明。各个梳状实质上是以多个凹部与凸部交错排列而形成，梳状电极垫330中的凸部332会延伸至梳状缺口320a的凹部324内，且梳状缺口320a的凸部322会延伸至梳状电极垫330的凹部334内。如此一来，可增加各第一电极线320与相应的电极垫330之间的电容量，提升触控面板300的操作灵敏度。Based on the above, as shown in FIG. 3 , in this embodiment, each electrode pad 330 and its corresponding notch 320 a are comb-shaped as an example for illustration. Each comb is substantially formed by a plurality of concave portions and convex portions alternately arranged, the convex portion 332 in the comb-shaped electrode pad 330 will extend into the concave portion 324 of the comb-shaped notch 320a, and the convex portion 322 of the comb-shaped notch 320a will extending into the concave portion 334 of the comb electrode pad 330 . In this way, the capacitance between each first electrode line 320 and the corresponding electrode pad 330 can be increased, and the operation sensitivity of the touch panel 300 can be improved.

图4是本发明的第一电极线以及电极垫的又一种实施方式的示意图。本实施例实质上与图3的实施例相似，两者的差别主要在于第一电极线420的缺口420a与其相应的电极垫430的形状。请参考图4，在本实施例中，各第一电极线420的缺口420a与其所相应的电极垫430分别形成一锯齿状(jagged)结构。在此，第一电极线420的缺口420a所形成的锯齿状结构与相应的电极垫430所形成的锯齿状结构是相对排列。Fig. 4 is a schematic diagram of another embodiment of the first electrode line and the electrode pad of the present invention. This embodiment is substantially similar to the embodiment of FIG. 3 , the difference between the two mainly lies in the shape of the notch 420 a of the first electrode line 420 and the corresponding electrode pad 430 . Please refer to FIG. 4 , in this embodiment, the notch 420 a of each first electrode line 420 and the corresponding electrode pad 430 respectively form a jagged structure. Here, the zigzag structure formed by the gap 420 a of the first electrode line 420 is arranged opposite to the zigzag structure formed by the corresponding electrode pad 430 .

此外，第一电极线420的缺口420a所形成的锯齿状结构以及电极垫430的锯齿状结构是由多个三角形图案所构成。本实施例中，电极垫430的锯齿状结构是由两个三角形图案432所组成，此两个三角形图案432共用一条第二连接线450，但本发明并不限制构成锯齿状结构的三角形图案432的数量。另外，如图4中所绘示，在本实施例中，电极垫430的每个三角形图案432都是位于相应的锯齿状的缺口420a内。同样地，上述的图案设计方式可以增加各第一电极线420与相应的电极垫430之间的电容量，提升触控面板400的操作灵敏度。In addition, the zigzag structure formed by the gap 420 a of the first electrode line 420 and the zigzag structure of the electrode pad 430 are composed of a plurality of triangular patterns. In this embodiment, the zigzag structure of the electrode pad 430 is composed of two triangular patterns 432, and the two triangular patterns 432 share a second connection line 450, but the present invention is not limited to the triangular patterns 432 forming the zigzag structure quantity. In addition, as shown in FIG. 4 , in this embodiment, each triangular pattern 432 of the electrode pad 430 is located in a corresponding sawtooth-shaped notch 420 a. Likewise, the above-mentioned pattern design method can increase the capacitance between each first electrode line 420 and the corresponding electrode pad 430 , and improve the operation sensitivity of the touch panel 400 .

综上所述，本发明的触控面板利用软性电路板的桥接线路将相应的第二连接线连接，可以简化触控面板的制程，提高生产良率，且并缩减触控面板的边框尺寸。此外，在本发明的触控面板的图案设计中，将各电极垫配置在相应的各第一电极线的缺口内，可增加第一电极线与电极垫之间的耦合电容值，提升触控面板的操作灵敏度。To sum up, the touch panel of the present invention uses the bridging lines of the flexible circuit board to connect the corresponding second connection lines, which can simplify the manufacturing process of the touch panel, improve the production yield, and reduce the frame size of the touch panel . In addition, in the pattern design of the touch panel of the present invention, each electrode pad is arranged in the gap of each first electrode line, which can increase the coupling capacitance value between the first electrode line and the electrode pad, and improve the touch control. The operating sensitivity of the panel.

虽然本发明已以实施例公开如上，然其并非用以限定本发明，本领域技术人员在不脱离本发明的精神和范围内，当可作些许的更动与润饰，故本发明的保护范围当视所附权利要求书所界定者为准。Although the present invention has been disclosed as above with the embodiments, it is not intended to limit the present invention. Those skilled in the art can make some changes and modifications without departing from the spirit and scope of the present invention, so the protection scope of the present invention When depending on what is defined in the appended claims shall prevail.