200907771 九、發明說明： 【發明所屬之技術領域】 本發明係關於觸控面板之領域，i係關於一種電容式觸控發 幕用之感測裝置。 【先前技術】 、.傳統上，電子裝置之輸入係以鍵盤與滑鼠為之，而不能以人 類直覺的方式為之。之後’觸控面板已被廣用於各類大小型電子 装置中，此時使用者得以手或觸才空筆觸料上之榮幕的方式進行 ，點輸人，此時螢幕下方所設之感測裝置感測觸點輸人之位置， 猎以達成操作觸控電子裝置的目的。以感測觸點輸人之感測機制 分’觸控面板可分類為電阻式、電容式、表面聲波（SAW)式及紅 外線(IR)式等觸控面&，而觸控面板又包含觸控營幕及觸控板等 分類。 以電容式觸控面板而言，其感測裝置係藉感測觸點處之等效 電谷值改變的方式感測觸點位置，其示意說明如第一圖所示，其 中電容式觸控面板常錢用者手指為輸人媒介，—般不會使用觸 控筆。在第-圖中，該電容式觸控面板的感測裝置包含一印 刷電路板11’在該基板u上有包含諸多電極之電極圖帛12的設 置:’且6亥感測裝£ 10係設於觸控面板之一玻璃板（未顯示）之下， 且該等電極一般係分別沿觸控面板的x軸及γ軸而設(在此稱作 X軸及υ軸電極)’該玻璃板即為使用者之手指或觸控筆觸擊之 '此外°亥電極圖案12上連接有數條向外導線13 ,以供外部 輸入測量訊號以進行觸擊位置之感測用，以下將有說明。 200907771 ，雷搞：安Y軸電極在貫體上不相交’而係位於不同平面上。 ==與該玻璃板之間構成—電容，該電極圖案u之各 ;電容;二ί一虛擬地(未顯示)之間亦有電容效應的存在，且該 容二一、極圖# 12之每-電極而言皆聯合構成-等效電 觸點即對=者手彳日或觸控筆接觸該玻璃基板上之—點時，該接 值被改㈣來—電容效應，故該接觸點下方料效電容 此時藉外部透過該等向外導線13送人數電^(圖中 々电"“代表之)等訊號並感測該等電流工的改變，該經改 :值之處便可破測知’該電容值改變之處即為該觸點所在的位 呈。 二圖所示為第—圖之電容式觸控面板之感測裝置之雷極 圖案的部份放大干土 …200907771 IX. Description of the Invention: [Technical Field] The present invention relates to the field of touch panels, and relates to a sensing device for a capacitive touch screen. [Prior Art] Traditionally, the input of an electronic device is based on a keyboard and a mouse, and cannot be made in a human intuitive manner. After that, the touch panel has been widely used in all kinds of large and small electronic devices. At this time, the user can carry out the method of hand or touch the empty screen to touch the screen, and input the person. The measuring device senses the position of the contact input and hunts to achieve the purpose of operating the touch electronic device. The touch panel can be classified into resistive, capacitive, surface acoustic wave (SAW) and infrared (IR) touch surfaces andamps, and the touch panel includes Classification of touch screens and trackpads. In the case of a capacitive touch panel, the sensing device senses the position of the contact by means of a change in the equivalent electrical valley at the sensing contact, which is schematically illustrated as shown in the first figure, wherein the capacitive touch The panel often uses the user's finger as the input medium, and generally does not use the stylus. In the first embodiment, the sensing device of the capacitive touch panel comprises a printed circuit board 11' having a set of electrode patterns 12 including a plurality of electrodes on the substrate u: The electrodes are disposed under one of the glass panels (not shown) of the touch panel, and the electrodes are generally disposed along the x-axis and the γ-axis of the touch panel (referred to herein as X-axis and x-axis electrodes). The board is a user's finger or a stylus that strikes. In addition, a plurality of outward wires 13 are connected to the electrode pattern 12 for external input of measurement signals for sensing the touch position, as will be described below. 200907771, Lei: The Y-axis electrodes do not intersect on the body and are located on different planes. == constituting a capacitance between the glass plate, each of the electrode patterns u; a capacitance; a virtual capacitance (not shown) also has a capacitance effect, and the capacitance is one, the pole figure #12 Each electrode is combined to form an equivalent electrical contact, that is, when the hand is pressed or the stylus contacts the point on the glass substrate, the value is changed (4) to the capacitance effect, so the contact point At the moment, the material efficiency capacitors are externally transmitted through the external wires 13 to send a number of signals (in the figure, "representing" and "representing") and sense the changes of the current workers. Breaking the test knows that the change in the capacitance value is the position where the contact is located. The second figure shows the partial zoom of the lightning pattern of the sensing device of the capacitive touch panel of the first figure...
軸電極2 i及一二二弟？圖中:一電極圖案2 °之僅- X .由s t 一被择頁不以為說明用c如上戶只 Y轴電極21及：η * 土知丄 ^ ^ + 〜亚未々目父，且現假設Χ軸電極21係位於γ軸 ^ <之上。當—觸點落至近於該二電極^及22在不同平面 綠，目~之Μ ’僅X軸電極21可感測到該觸點造成的電容值改 :計：二:極22則不能’此時該觸點在γ軸上的座標值無法 ° t、。情此—問題，—般常將該二電極21及22在不同平 上相截之處的面積加以減小，以使一觸點不能為X & Y轴希 及22皆正確感測的問題減至最小，如第三圖所示。第三圖 二V4上：使用之電容式觸控面板之電極圖案的俯視示意圖。如 弟二圖所示’該電極圖案30被製作為諸多以細導線31連接的菱 形電極32，且兮笙έ， 逆接的曼 帝極32心4細—線31同樣係設於不同平面上，該等菱形 I Μ數X軸電極32’及¥轴電極32”，且該電極圖案 …田導線皆係設於一印刷電路板33上。當一觸點落於二 200907771 互為垂直之細導線31相跨處之上時，χ轴及γ軸電極32，及32” 對於该觸點造成之等效電容改變的同時感測能力便能大幅提升。 由於上述電極圖案32係設於不透明的印刷電路板33上，故 無法被用於觸控螢幕上，電極圖案32亦無法被設於如銦錫氧化 物(ιτ〇)及銦鋅氧化物(ΙΖ0)(未顯示）等透明底層33上，因該等細 導線31在銦錫氧化物底層及銦鋅氧化物底層％上仍顯阻抗太 大，故感測位置所須送入的訊號難被導通及測量。 口此右右人被用於電容式觸控螢幕上又須使感測觸點位置用 訊號易被量測’此時感測裝置3Q必須在銦錫氧化物底層上加以 不同的設計，轉決電容弍觸控面板領域上長期存在的問題。 此外，上述電極32在又軸及γ軸方向上的排列密度必須足 夠大’以避免較小觸點在相鄰X轴及γ轴電極32，及32，，之門益 法被有效感測的問題’但如此會有成本相對較高的問題。… 【發明内容】 乂 1. 鑑=述習知技術所存在的問題，本發明之—目的即在於提 出種⑭式觸控螢幕用之透明的感測裝置。 f置本:rr—目的在於提出-種電容式觸控螢幕用之感測 題。—之x軸及γ㈣標值無法被同時正確感測的問 本發明之另一@ k , g 在於以―種電容式魅«用之感測 I置其仔使—觸點在感須丨 測位置。 个而在本6又置的條件下被正確感 本發明之又另_一 B A/j — t 在提出一種電容式觸控螢幕用之感 200907771 測裝置’、其能僅藉由材料選擇與材料圖案設計並加人測量訊號達 成正確感測觸點位置的結果，並因此具有 本發明之電容式觸娜用之感測裂置低:::透明基板、 -透㈣傳導層、複數條凹溝及複數個第一電極及第二電極， 錢明基板具有-上表面’並實質上為矩形；該透明訊號傳導層 形成於該透明基板的上表面上，並具有二χ方向側及二y方向 側；該複數條凹溝延伸於該透明訊號層上之該二X方向側及二υ 方向側之-者上，並具有—相同之寬度、深度及走勢，且該等凹 透明基板的上表面，該等凹溝之走勢具有-虛擬 中心線，且該寺凹溝之走勢為相對於該走勢 該複數個第一電極及第二電極以—對一的關係設置於該透= 號傳導層與該等凹溝相同之二 月π 設置於該等凹溝之招鄰二者之方问側上，並係 第一及第二電極的每一者中’、’測里況唬被运八至該等 物件《電容式觸控螢幕上的::根據該測量訊號的改峨- 藉由使用本發明，k u ι 紅广挪a 一觸控螢幕上之觸擊輸入位置的x及γ 坐心值的偵測可在感測元件 材料圖案設計的條件下被達成«由#料選擇與 【貫施方式】 本發明為—種電容式 實施例配合所_式詳細說•下用之感測裝置’其將藉由較佳 的示=:::其為本發明之電容式觸控—置 該感·置40包含一透明基板41、—透 200907771 明訊號傳導層42、複數條凹溝43及複數個第-電極44,及第二 私極44 (總稱電極44) ’並係設於該電容式觸控螢幕的下方。节 透明基板具有—上表面（未顯示），並實質上為—矩形。該透^ 訊號傳導層42係同形形成於該透明基板41的上表面上，並具有 二X方向側及二w向側，並得以銅錫氧化物（ιτ〇)或銦辞氧化 物(IZO)等材料製成。該複數條凹溝43延伸於該透明訊號層u 上之該二X方向側或二γ方向側上，在圖式所示實施例中係位 於该二X方向側上。此外，該複數條凹溝43具有相同的寬度， 並具有相同的深度及走勢，且該等凹溝43的深度及於該透:基 板Λ的上表面44，該等凹溝43之走勢則具有—虛擬中心線： 且该寻凹溝43之走勢為相對於該走勢之虛擬巾心線對稱。舉例 而:，該複數條凹溝43之走勢可為三角波走# (圖中所示）' 弦 波走勢、半圓波走勢及方波走勢等。此外，該等凹溝43之形成 得以_之方式達成，成本低廉。此外，該等凹溝^之每相鄰 -者間的間距以不超過—最小可能人類手指寬度為原則，如 5咖’且關距可盡量大，以使所需設置的凹溝數if少’並使 :下降。不過，該等凹溝43的密度亦可選擇較大些，如此可使 最後計算得的觸點位置更準確。 該複數個第一電極44，及第二電極44”係以—對一的關係設 置於该透明訊號傳導層42與該等凹溝43相同之方向側或二 Υ方向側上，並以被設置於該等凹溝43之相鄰二者之間的一中 ^占上為更佳。此外，該等電極44之數量在該等凹溝43密度小 時亦少，此時元件的成本可下降。 一在實際操作時’該等第—及第二電極44的每—者皆被加以 測夏訊號，如電壓訊號及電流訊號等，在圖式中該測量訊號為 200907771 電流訊號Ι1〇，Ι11 ιη „ T1 ，…山 1，·..及 Iln 與 I20，l21，_..，lil,…及 I2n。由 於使用者手指等物件（未顯示）在^於觸控螢幕上時會造成該處電 容值的改變’故該等電流訊號110, In，…，m，·及ιΐη與12〇, 山，...风...及1211之與該物件位置相關者亦會有改變。此時， 只要找出有變化的電流訊號⑽，m，…，m”·.及Iln與120, 121”..山1’...及1211’該物件在觸控螢幕上的位置即可被求出。 該物件位置的判定將說明如下，並以該複數個第-電極44, 及弟二電極44”被設置於該等凹溝43之相鄰二者之間的一中央 點上時為例說明。當該複數個 ——— 第及弟二電極44係設.於該二γShaft electrode 2 i and one or two brothers? In the figure: an electrode pattern 2 ° only - X. From the page selected by st, it is not considered to be the same as the above-mentioned Y-axis electrode 21 and: η * 知知丄 ^ ^ + ~ 亚未々目父, and now It is assumed that the x-axis electrode 21 is located above the γ-axis ^ < When the contact falls close to the two electrodes ^ and 22 in different planes green, the target is only 'X-axis electrode 21 can sense the capacitance caused by the contact change: meter: two: pole 22 can not' At this time, the coordinate value of the contact on the γ axis cannot be ° t. In this case, the problem is that the area of the two electrodes 21 and 22 where the two electrodes 21 and 22 are intersected at different levels is generally reduced, so that a contact cannot be correctly sensed for the X & Y axis and 22 Minimize as shown in the third figure. The third figure is on the V4: a schematic top view of the electrode pattern of the capacitive touch panel used. As shown in the second figure, the electrode pattern 30 is formed as a plurality of rhombic electrodes 32 connected by thin wires 31, and the reversed Mandala 32 core 4 thin line 31 is also disposed on different planes. The diamond-shaped I-number X-axis electrode 32' and the ¥axis electrode 32", and the electrode pattern is connected to a printed circuit board 33. When a contact falls on two 200907771, the vertical wires are perpendicular to each other. When the 31-phase span is above, the x-axis and γ-axis electrodes 32, and 32" can greatly improve the sensing capacity of the contact caused by the equivalent capacitance change. Since the electrode pattern 32 is disposed on the opaque printed circuit board 33, it cannot be used on the touch screen, and the electrode pattern 32 cannot be disposed on, for example, indium tin oxide (ITO) and indium zinc oxide (ΙΖ0). ) (not shown), etc., on the transparent underlayer 33, since the thin wires 31 are still too dense in the indium tin oxide underlayer and the indium zinc oxide underlayer %, the signals to be sent at the sensing position are hard to be turned on. And measurement. The right-hander is used on the capacitive touch screen and the position of the sensing contact is easily measured by the signal. At this time, the sensing device 3Q must be designed differently on the indium tin oxide underlayer. Long-standing problems in the field of capacitors and touch panels. In addition, the arrangement density of the above-mentioned electrodes 32 in the direction of the axis and the γ-axis must be sufficiently large to avoid the smaller contacts being effectively sensed by the adjacent X-axis and γ-axis electrodes 32, and 32. The problem 'but there will be a relatively high cost problem. SUMMARY OF THE INVENTION The present invention is directed to a transparent sensing device for a 14-type touch screen. F-book: rr—The purpose is to propose a sensing problem for a capacitive touch screen. - The x-axis and gamma (four) values cannot be correctly sensed at the same time. Another @k, g of the present invention lies in the sense of "the type of capacitance" used by the sensor. position. And under the condition of this 6 again, the invention is correctly sensed. Another BA_j-t is proposed for a capacitive touch screen with a sense of 200907771 measuring device, which can only be selected by materials and materials. The pattern design and the addition of the measurement signal achieve the result of correct sensing of the contact position, and thus have the low sensitivity of the capacitive touch of the present invention:: transparent substrate, - (four) conductive layer, a plurality of grooves And a plurality of first electrodes and second electrodes, the Qianming substrate has an upper surface and is substantially rectangular; the transparent signal conducting layer is formed on the upper surface of the transparent substrate and has two sides and two y directions a plurality of recesses extending over the two X-direction sides and the second-direction side of the transparent signal layer, and having the same width, depth, and trend, and upper surfaces of the concave transparent substrates The trend of the grooves has a virtual center line, and the trend of the temple groove is relative to the trend, and the plurality of first electrodes and the second electrodes are disposed in a one-to-one relationship between the transparent layer and the conductive layer These grooves are the same as the February π set The other side of the groove is adjacent to the side of the question, and in each of the first and second electrodes, the ', ' measured condition is transported to the objects on the capacitive touch screen: : According to the improvement of the measurement signal - by using the invention, the detection of the x and γ of the touch input position on a touch screen can be detected in the material design of the sensing element Under the conditions, the material is selected and the method of the invention is the same as that of the capacitive device. The present invention is a combination of the above-mentioned sensing device, which will be described by the preferred method:::: The capacitive touch-sensitive device 40 of the present invention includes a transparent substrate 41, a transparent transmission layer 42, a plurality of concave grooves 43 and a plurality of first electrodes 44, and a second private electrode 44. (collectively referred to as electrode 44) 'and is located below the capacitive touch screen. The transparent substrate has an upper surface (not shown) and is substantially rectangular. The transmissive signal conducting layer 42 is formed on the upper surface of the transparent substrate 41 and has two X-direction sides and two w-direction sides, and is made of copper tin oxide or indium oxide (IZO). Made of other materials. The plurality of grooves 43 extend on the two X-direction sides or the two-γ-direction sides of the transparent signal layer u, and are located on the two X-direction sides in the embodiment shown in the figure. In addition, the plurality of grooves 43 have the same width and have the same depth and trend, and the depth of the grooves 43 and the upper surface 44 of the substrate ,, the grooves 43 have a trend - Virtual centerline: and the trend of the groove 43 is symmetrical with respect to the virtual line of the trend. For example, the trend of the plurality of grooves 43 can be a triangle wave walking # (shown in the figure), a string wave trend, a semi-circular wave trend, and a square wave trend. In addition, the formation of the grooves 43 can be achieved in a manner that is inexpensive. In addition, the spacing between each adjacent groove is not more than the minimum possible human finger width, such as 5 coffee' and the closing distance can be as large as possible, so that the number of required grooves is less. 'And let: fall. However, the density of the grooves 43 can also be chosen to be larger, so that the last calculated contact position is more accurate. The plurality of first electrodes 44 and the second electrodes 44" are disposed in a one-to-one relationship on the same direction side or the second direction side of the transparent signal conducting layer 42 as the grooves 43 and are set It is preferable to occupy a middle portion between the adjacent grooves 43. Further, the number of the electrodes 44 is small in the density of the grooves 43 at this time, and the cost of the element can be lowered. In the actual operation, each of the first and second electrodes 44 is subjected to a summer signal, such as a voltage signal and a current signal. In the figure, the measurement signal is 200907771. The current signal is 〇1〇, Ι11 ιη „ T1 ,...山1,·.. and Iln and I20,l21,_..,lil,...and I2n. Since the user's finger or the like (not shown) causes a change in the capacitance value when it is on the touch screen, the current signals 110, In, ..., m, ·, and ιΐη and 12〇, Shan,. .. wind...and 1211 will also change the position of the object. At this point, just find the changing current signal (10), m,...,m"·. and Iln and 120, 121"..山1'...and 1211' the position of the object on the touch screen It is found. The determination of the position of the object will be described as an example in which the plurality of first electrodes 44 and the second electrodes 44" are disposed at a central point between the adjacent ones of the grooves 43 as an example. When the plurality of --- the second and the second electrode 44 are set, the two γ
方向側時’該物件位置座標（X 幻由广列方程式決定之： Δ Ιι=Δ Ili+Δ I2i ⑴， (2)， (3) 及 (4) ， 極44 △ 121分別為該複數個第 Δχΐ=(ΔΙ2ί-ΔΙ1ΐ)/ΔΙί Χ^ΣχΐΔ Ii/ΣΔ Ii Y=lyili/I A Ii 其中i為整數，Alii及 …叫咕儍要文個第一及第二 上的電流變化，；X及γ為該物件 和44 v 4 牛在該电各式觸控螢幕40上的x 軸及Y軸座標值，4為該物件 上的X 杜 亥電谷式觸控螢幕40上命； 值上的X方向座標值，yi為該複數個第 ：座“ 訊號傳導層42上的Y座標值；且 ％在该透明 當該複數個第一及第二電極44 物件位置座標(χ，γ)由下列方裎式決定之：°亥-X方向側時，該 ΔΙΐ=ΔΙ1ΐ+ΔΙ2ΐ . ⑴， γι=(ΔΙ2ΐ-ΔΙ1ί)/ΔΙΐ (2), Χ=ΣχϊΔ Ii/ΣΔ Ii (3)，及 10 (4)， 200907771 Y=IyiA Ii/ΣΔ Ii 其中1為整數’ △⑴及Ai2i分別為該複數個第一及第_電極上 的電流變化，Χ及Y為該物#+ + 夂弟一電極上 ± Μ 件在錢容式觸控螢幕上的X軸及γ 轴座軚值，xi為該複數個第一 “ r螢r::=: Y方向座標值。 丛知值上的On the direction side, the object position coordinate (X illusion is determined by the broad equation: Δ Ιι=Δ Ili+Δ I2i (1), (2), (3) and (4), and the pole 44 △ 121 are the plural Δχΐ=(ΔΙ2ί-ΔΙ1ΐ)/ΔΙί Χ^ΣχΐΔ Ii/ΣΔ Ii Y=lyili/IA Ii where i is an integer, and Alii and... are called the first and second current changes, X and γ For the object and 44 v 4 cattle on the x-axis and Y-axis coordinate values of the various touch screen 40, 4 is the X Duhai electric valley touch screen 40 on the object; The direction coordinate value, yi is the Y coordinate of the plurality of: "signal conduction layer 42; and % is transparent. When the plurality of first and second electrodes 44 object position coordinates (χ, γ) are: The formula determines: ΔΙΐ=ΔΙ1ΐ+ΔΙ2ΐ. (1), γι=(ΔΙ2ΐ-ΔΙ1ί)/ΔΙΐ (2), Χ=ΣχϊΔ Ii/ΣΔ Ii (3), and 10 (4) ), 200907771 Y=IyiA Ii/ΣΔ Ii where 1 is an integer ' △ (1) and Ai2i are the current changes on the first plurality of first and _ electrodes, respectively, and Y is the object #+ + Μ Pieces in money The X-axis and γ-axis 軚 values on the capacitive touch screen, xi is the number of the first “r firefly r::=: Y direction coordinate values.
藉由使用本發明，一觸控螢暮卜夕總數ABy using the present invention, a touch 暮 暮 总数 total number A
赏奉上之觸擊輸入位置的X 轴座標值的偵測可在感測元件 該等凹溝之設置較密隼時可“置的條件下完成，雖然 丁又山本日T可達成較南的解析度。此外，本發 冪真正形成電極即可達糾恭六上 x 八感測的目的，其僅籍由材料 (即透明訊號傳導層之护崎Λ| η ,十〜序 ¥曰之材A與#料圖案設計（即透明訊號傳導展 上加以對稱凹溝）即可遠忐詰,职，，丄 曰 u J J達成輞秘兔知技術之X及Y軸電極相跨而 完全準確測量出觸擊位置之X及Y座標的目的’除加 =測量訊„的電極外不s真正形成電極，故其成本相對較低 ，。此外’由於本發明之感測裝置為透明者，故能被成功應用於 電容式觸控螢幕上。 、 本發明已n由特定實施例說明如上，熟習該項技術者可藉由 該等實施例之原理而推衍出其它可能實施例，如此推衍出之實施 J白屬方、本發明的精神㈣，故本發明之實際範圍當由後附之申 請專利範圍定義之。 【圖式簡單說明】 本毛月之較佳實施例的說明係透過下列圖式而為，其中： 第一圖為—傳統電容式觸控螢幕用之感測裝置的示意圖； 11 200907771 第二圖為第一圖之感測裝置之一電極圖圖案的部份放大示 意圖； 第三圖為另一傳統電容式觸控螢幕用之感測裝置之電極圖 案的部份示意圖；及 第四圖為本發明之電容式觸控螢幕用之感測裝置的示意圖。 【主要元件符號說明】 10 感測裝置 11 基板 12 訊號 電極圖案 13 向外導線 20 電極圖案 21 X軸電極 22 Y軸電極 30 電極圖案 31 細導線 32 菱形電極 32, X轴電極 32，， Y轴電極 33 印刷電路板 40 感測裝置 41 透明基板 42 透明訊號傳導層 12 200907771 43 複數條凹溝 44 電極 44, 第一電極 44” 第二電極 13The detection of the X-axis coordinate value of the tapping input position can be completed under the condition that the setting of the grooves of the sensing element is relatively tight, although Dingshan can reach a southerly T. In addition, the power of this power can form the electrode to achieve the purpose of the six-six sensing, which is only based on the material (that is, the transparent signal conduction layer of the rugged | η, ten ~ order ¥ 曰 material A and # material pattern design (that is, the transparent signal transmission on the transparent signal transmission exhibition) can be far away, job, 丄曰u JJ reached the X and Y axis electrode cross-section of the secret rabbit technology and completely accurately measured The purpose of the X and Y coordinates of the touch position is that the electrode is not formed except for the electrode of the addition measurement channel, so the cost is relatively low. In addition, since the sensing device of the present invention is transparent, it can be The invention has been successfully applied to a capacitive touch screen. The present invention has been described above by way of specific embodiments, and those skilled in the art can derive other possible embodiments by the principles of the embodiments, and thus The implementation of J Baifangfang, the spirit of the present invention (4), the actual scope of the present invention It is defined by the scope of the appended patent application. [Simplified description of the drawings] The description of the preferred embodiment of the present invention is made by the following figures, wherein: The first figure is for a conventional capacitive touch screen. Schematic diagram of the sensing device; 11 200907771 The second figure is a partial enlarged view of the electrode pattern of one of the sensing devices of the first figure; the third figure is the electrode pattern of the sensing device for another conventional capacitive touch screen 4 is a schematic diagram of a sensing device for a capacitive touch screen of the present invention. [Main component symbol description] 10 sensing device 11 substrate 12 signal electrode pattern 13 outward wire 20 electrode pattern 21 X-axis electrode 22 Y-axis electrode 30 Electrode pattern 31 Thin wire 32 Diamond electrode 32, X-axis electrode 32, Y-axis electrode 33 Printed circuit board 40 Sensing device 41 Transparent substrate 42 Transparent signal conducting layer 12 200907771 43 Multiple grooves 44 electrode 44, first electrode 44" second electrode 13