M393740 五、新型說明： 【新型所屬之技術領域】 本創作係提供一種電容式觸控感應器結構，尤指一種可提升 透光率均一性並且降低雜訊電容值的電容式觸控感應器結構改 良。 【先前技術】 k，電谷式觸控板係藉由使用者的手指或導體碰觸在面板上 魯的瞬間產生-個電容效應’然後可藉由電容值之變化確定手指或 導體之位置，據此達到訊號輸入之目的；因為電容式觸控板可用 手指進行輸入，具有輸入操作的便利性，而且其輸入操作不需經 過觸壓，不會讓面板有承受反覆應力、變形導致損害的缺點，又 其組成構造簡單、元件少’產品良率高，並且適合使用大量生產 以降低成本，所以已逐漸被廣泛使用在通訊、電腦以及消費類電 子產品等方面； 瞻的知難板的電容_減應器具有概χ軸感應線跡 (X-Trace)與Υ轴感應線跡(Y_Trace)，在χ、γ軸線跡上分別設有 多數彼此相連接的電容感應單元，該等χ軸線跡與丫軸線跡係彼 此交錯而絕緣設置，使χ、γ轴線跡上的各個電容感應單元略呈 矩陣狀排列而佈設在該觸控板的工作區域之内；通常X軸感應線 跡與Υ軸感應線跡係採用透明導電薄膜，例如氧化銦錫(Indium Τώ Oxide，ΙΤΟ)材料，利用蝕刻製程去除不要的部分，以劃分出各個 電容感應單’使X、Υ軸線跡上的各個電容感應單元彼此之間具 3 M393740 有適當寬度_隙’以達絕緣設置之目的；然而因為這些電容感 應單元設置部位和侧去除部位(亦即該導電薄膜的鏤空部位 有不同的透光率(T_nittance) ’所以造成穿透面板的光線折射不 均，這結果將會導致人嘯察時會有明__產生，尤其當配 置在顯示幕前使料，就會造成螢幕影像變形、模糊失真的困擾。 【新型内容】 ° 有鑑於此，本創作的主要是提供一種改進的電容式觸控感應 。„、、’。構其藉由在透明導電膜上形成精細的姓刻線以劃分出所需 的圖形(Patterning)，因此可大幅減少導電臈上的鐘空部分，以提升 該電容感測結構的她平整度錢透絲的均—性，改善在該觸 控板底部的齡幕之顯像_失真的困擾，另，亦設置_ 線以將j導電膜上的廢磁彳區(Waste etehing分割成不連續的 較小面積單元，以降低雜訊電容值。 為了達成上述創作目的，本創作所提供之電容式觸控感應器 結構包含第-滅應層、第二軸感應層以及—設置在第—與第二 軸感應層之_絕緣層；其巾，第—軸錢層係形成在第一基板 之-主表面上’在第-軸感應層上由侧線劃分出所需的圖形， 而^圖形具有複數彼此平行排列的第一轴感應線跡de)及廢蝕 刻區，且各個第-軸感應線跡具有多數彼此相連接的電容感應單 凡’而该等廢侧區則被分割成多數不連續的小面積單元；同樣 的’第二軸感應層係形成在第二基板之-主表面上，在第二軸感 層上由磁彳線劃分出所需的圖形而該圖形具有複數彼此平行 4 M393740 排列的第二軸感應線跡及廢_區，且各個第二軸感應線 多數彼此相連接的電容感應單元，而 >、·、、有 等廢__被分割成多 數不連續的小面積單元；前述第—軸感顧與第二軸感應声 隔者該絕緣層而疊合成—透明板體，並令所述第—轴感騎 跡與第二減應、翻^正交設置，’ 神欵愿綠跡與第二軸感 ^線跡上的各㈣賴應單元略呈轉狀排顺置；又前述各個M393740 V. New Description: [New Technology Field] This notebook provides a capacitive touch sensor structure, especially a capacitive touch sensor structure that can improve light transmittance uniformity and reduce noise capacitance. Improvement. [Prior Art] k, the electric valley type touch panel generates a capacitance effect by touching the finger or conductor of the user on the panel, and then the position of the finger or the conductor can be determined by the change of the capacitance value. According to this, the purpose of signal input is achieved; because the capacitive touch panel can be input by fingers, the input operation is convenient, and the input operation does not need to be touched, and the panel does not suffer from the stress caused by the reverse stress and deformation. Moreover, its composition is simple in structure, few components are high, the product yield is high, and it is suitable for mass production to reduce costs, so it has been widely used in communication, computer and consumer electronics, etc. The reducer has an X-Trace and a Y-Trace, and a plurality of capacitive sensing units connected to each other are arranged on the χ and γ-axis traces, respectively. The 丫-axis traces are staggered and insulated from each other, so that the respective capacitance sensing units on the χ and γ-axis traces are arranged in a matrix and are disposed in the working area of the touch panel; The X-axis inductive stitch and the x-axis sensing trace are made of a transparent conductive film, such as Indium Oxide (Indium Oxide) material, and the unnecessary portion is removed by an etching process to divide each capacitance sensing single 'X, Υ Each of the capacitance sensing units on the axis trace has 3 M393740 with a proper width_gap for the purpose of insulation setting; however, because these capacitance sensing unit is disposed and the side removal portion (that is, the hollow portion of the conductive film is different) The light transmittance (T_nittance) 'so causes the light of the penetrating panel to be refracted unevenly. This will result in a clear __ when the person is whispering, especially when it is placed in front of the display screen, the screen image will be deformed. [Full content] ° In view of this, the main purpose of this creation is to provide an improved capacitive touch sensing. „,、'. By forming a fine surname on the transparent conductive film In order to divide the required pattern (Patterning), the clockwork on the conductive crucible can be greatly reduced to improve the flatness of the capacitive sensing structure. - Sexuality, improving the imaging of the age of the touchpad - distortion, and also set the _ line to divide the waste magnetic field on the j conductive film (Waste etehing is divided into discontinuous smaller area units In order to achieve the above-mentioned creative purpose, the capacitive touch sensor structure provided by the present invention comprises a first-corresponding layer, a second-axis sensing layer, and a first-and second-axis sensing layer. The insulating layer; the towel, the first-axis layer is formed on the main surface of the first substrate. 'The desired pattern is divided by the side line on the first-axis sensing layer, and the pattern has a plurality of parallel lines arranged in parallel with each other. The first axis senses the trace de) and the waste etched area, and each of the first-axis sense stitches has a plurality of capacitance sensing elements connected to each other and the waste side areas are divided into a plurality of discontinuous small area units The same 'second axis sensing layer is formed on the main surface of the second substrate, and the desired pattern is divided by the magnetic enthalpy line on the second axis sensing layer, and the pattern has a plurality of parallel lines arranged in parallel with each other 4 M393740 Two-axis induction stitch and waste_zone, and each The shaft sensing lines are mostly connected to each other by a capacitive sensing unit, and the >, ·, and the like are divided into a plurality of discontinuous small-area units; the first-axis sensing and the second-axis sensing sound are separated. The insulating layer is laminated to form a transparent plate body, and the first axis sense track is combined with the second subtraction and the turnover orthogonally, and each of the (4) on the traces of the gods and the second axis senses Lai Ying unit is slightly rotated and arranged;
第一軸感躲_第二佩躲跡的1齡難胁設在 感應層邊緣的訊料路，使電容感應喊可經由該峨導路傳送 到後續的訊號處理電路。 、 特別是，前述侧線係藉由餘刻製程在透明導電膜上加工带 成的，而祕刻製程可以採靴式爛製程，例如雷射侧、電 漿綱.··等；減是㈣濕式爛製程，例如_侧、黃光餘 刻、噴墨蝕刻…等技術手段。 特別是，前述第-域應層及第二域應料具有良好導電 特ϋ的透料電細’其㈣是選自於氧化轉、氧化銦辞、氧 ^鋅紹絲乙撑二氧輕(咖叫等，但實_㈣範圍不以 前述材料為限。 特別是，絕緣層係為透明的絕緣性黏曝層，例如是υν膠⑽ adhesive ’紫外線光硬化樹脂）' 光學膠(〇ptic御a咖她咖^， A) IR膠(異戊二埽橡膠，Is〇prene Rubber)…等。 特別是，蝕刻線具有約150ym以下的橫向寬度。 特別是，侧線軌置深度恰可將前述第—域應層或第二 5 M393740 軸感應層的導電膜完全觸，使導電膜被分隔出絕緣的二個部份。 此將於下文中進-步闡明本創作的其他功能及技術特徵，熟 習本技術者熟讀文中的說明後即可據以實現本創作。 【實施方式】 如第-至二圖所示係本創作之一較佳實施例，該電容式觸控 感應器結構係包含-底基板i與上面板2，在該底基板i及上面板 2之-表面上均各設有—電容感應層12、22,並藉由__膠合層3 將二板疊合黏接成-透明板體；其中，該底基板i及上面板2為籲 具有高透光率的材狂可為-平面核非平面式薄板，其材料是 選自於玻_板或其他各種可撓式薄板，例如：聚碳酸醋㈣、 聚脂(PET)、聚曱基丙烯酸曱酯(PMMA)或環婦烴共聚合物 (COC).·.等，但實施的材料範圍不以前述材料為限，各類軟性或硬 . 性薄板均適用；而該膠合層3則可選用具有絕緣特性的透明uv 膠UV膠、OCA膠或IR膠；再如第三至四圖所示，於該底基板1 的上表面設有下减應層12,下域應層12為—氧化鹏材冑的φ 透明導電薄膜，且藉由侧製程在透明導電膜上形成_線13以 劃分出所需的圖形’該侧製程可以採用乾式綱製程例如雷 射姓刻、電漿侧…等；亦或是賴濕式_製程，例如 刻、黃光侧、喷墨姓刻...等技術手段；而該透曰電膜上的圖 形係包含數道彼此平行排列的X軸感應線跡丨 久潑姓刻區 U2,各個X軸感應線跡121具有多數彼此相連接以及略呈菱形 電容感應單元121a，且令前述各X軸線跡121 乂 緣分別電接 6 於設在該底基板1邊緣的邙 .^ 11唬導路14，而該等廢蝕刻區122則被 分割成多數不連續的小面積單 、]被 '早122a，同樣的，如第六圖所示， 的底表面設有上方感應層22,上方感應層22為一氧 化姻锡材質的透明導電_，且藉由#射_製程在透明導= 上形成侧線23以劃分出所需_形，而刻形包含數道彼此平 打排列的Y轴感應線跡221及賴刻請，各個Y軸感應線跡 221具有多數彼此相連接以及略呈菱形的電容感應單元221a，且 令前述各Y軸感應線跡221之一端緣分別電接於設在該上面板2 邊緣的減導路24，而該等廢侧區222則被分割成多數不連續 的小面積單元222a，此外，在該上面板2的底表面與該上方感應 層22之間的罪近外周緣部位還設有金屬濺鑛形成的有色框罩 21，其恰可肋遮蔽設在上面板2與底基板丨邊緣軌號導線14、 24 ;如第五圖所*，前述钮刻線13、23具有約略15〇_以下的 橫向寬度，且其設置深度恰可將該透明導電膜完全截斷，使導電 膜可被77隔出絕緣的二個部份；組合時，前述上方感應層22與下 方感應層12之間隔著該絕緣性的膠合層3而疊置黏合成一透明板 體’並使Y軸感應線跡221與X軸線跡121之間呈正交設置，γ、 X軸感應線跡上的各個電容感應單元12ia、221a略呈矩陣狀排列 設置’而其上、下方感應層所觸發的感應訊號可經由該等訊號導 線14、24傳送到後續的訊號處理電路。 依上述說明所組成的電容式觸控感應器結構，可在X軸線跡 121與訊號導線Μ之間形成一個等效電容，以及在Y轴線跡122 _374〇 與訊號導線24之間贿在—個等效電容，目此#手減導體碰觸 或輕滑過馳板表面時，峨處理電賴由電容的變化，即可判 斷導體或手碰齡置；據此本創作之難板為—具有高透明 又的板體目此可配置在電子產品的顯示幕前讓使用者可透過 勞幕晝面上的指示財指蝴於面板所需位置，即可便利進行輸 入操作。 前述創作實施例之電容式觸域應器結構，藉由雷射侧製 程在透明導賴上直接贿麟精細㈣·丨所需的電容感應 單元部分’因此可大幅減少電容錢層12、22上之鏤空部分的比 例’以提升增進外躺平整度以及驗板的透光料勻度，改善 顯像模糊失真的缺失；X，利麟該等廢關區分割成不連續的 小面積單元，可有效降低雜訊電容值，達避免雜訊干擾之目的。 又如第八至十一圖所示者係為本創作第二實施例，其整體 結構略係與前述第-實施例相同，主要差異在於下方感應層12, 係設置在誠絲1’的下絲面，喃祕合層3，將上面板 2、上方感應層22’與底基板1，、下方感應層12，疊合黏接 成-透明板體(詳如第十-圖所示）；另外，其上、下方感應層22’、 12上所形成的圖形式樣不同，亦即於該絲板丨，底面的下方感 應層12’之钮刻線13’所劃出的圖形包含數道彼此平行排列的X 軸感應線跡121’及廢餘刻區⑵’，各個χ軸感應線跡121，的 電容感應單元係呈向X財向延伸_形面積，且各個χ轴線跡 121’之一端緣分別電接於設在該底基板丨，邊緣的訊號導路 M393740 14’ ，而該等廢蝕刻區122’則被分割成多數略呈細長矩形的小面 積單元122a’ ；又在該上面板2’底表面的上方感應層22’由蝕 刻線23’所劃出的圖形包含數道彼此平行排列的γ軸感應線跡 221’及廢蝕刻區222，，各個Y軸感應線跡221’的電容感應單 元係呈向Y軸方向延伸的細長矩形面積’且各個γ軸感應線跡 221’之一端緣分別電接於設在該上面板2，邊緣的訊號導路 24 ’而該等廢触刻區222’則被分割成多數略呈矩形的小面積單 元222a’ ；而此等在感應層上形成不同圖形式樣的變更設置亦能 達成與4揭第一實施例同一或類似之效能，故其它與前揭第一實 施例同一的部份在此不擬贅述。 【圖式簡單說明】 第一圖為本創作第一實施例之構件組合的平面圖； 第二圖為本創作第一實施例之構件組合的側面剖示圖； 第二圖為本創作第一實施例之底基板的平面圖； 第四圖為第三圖的A部放大的示意圖； 第五圖為第四圖的C—C截線的側面剖示圖； 第六圖為第四圖的D_D截線的側面剖示圖； 第七圖為本創作第一實施例之上面板的平面圖； 第八圖為本創作第二實施例之底基板的平面圖； 第九圖為本創作第二實施例之上面板的平面圖； 第十圖為本創作第二實施例之構件組合的平面圖·以及 苐十-圖為本創作第二實施例之構件組合的側面剖示圖。 9 M393740 【主要元件符號說明】 底基板1 X轴感應線跡121 廢蝕刻區122 蝕刻線13 上面板2 上方感應層22 電容感應單元221a 小面積單元222a 訊號導路24 底基板Γ X轴感應線跡121 小面積單元122a’ 訊號導路14’ 上方感應層22’ 廢蝕刻區222’ 蝕刻線23’ 膠合層3’ 下方感應層12 電容感應單元121a 小面積單元122a 訊號導路14 有色框罩21 Y軸感應線跡221 廢蝕刻區222 蝕刻線23 膠合層3 下方感應層12’ 廢蝕刻區122’ 蝕刻線13’ 上面板2’ Y軸感應線跡221’ 小面積單元222a’ 訊號導路24’The first axis is hidden. The second age is hidden at the edge of the sensing layer, so that the capacitive sensing can be transmitted to the subsequent signal processing circuit via the guiding path. In particular, the aforementioned side lines are processed by the engraved process on the transparent conductive film, and the secret engraving process can adopt a shoe-type rotten process, such as a laser side, a plasma class, etc.; Wet rotting process, such as _ side, yellow light engraving, inkjet etching, etc. In particular, the first-domain layer and the second domain are required to have a good electrical conductivity characteristic of the dielectric material, wherein the (four) is selected from the group consisting of oxidative conversion, indium oxide, and oxy-zinc-sand ethylene dioxane ( Coffee is called, but the actual _(4) range is not limited to the above materials. In particular, the insulating layer is a transparent insulating adhesive layer, such as υν胶(10) adhesive 'UV light curing resin' optical glue (〇ptic 御A coffee her coffee ^, A) IR glue (isoprene rubber, Is〇prene Rubber)...etc. In particular, the etch line has a lateral width of less than about 150 μm. In particular, the side rail track depth can completely contact the conductive film of the aforementioned first domain layer or the second 5 M393740 axis sensing layer, so that the conductive film is separated from the two portions of the insulation. This will further clarify the other functions and technical features of the present work, which will be realized by those skilled in the art after reading the description in the text. [Embodiment] As shown in the first to second embodiments, the capacitive touch sensor structure includes a base substrate i and an upper panel 2, and the base substrate i and the upper panel 2 Each of the surfaces is provided with a capacitive sensing layer 12, 22, and the two boards are laminated and bonded into a transparent plate by the __ glue layer 3; wherein the base substrate i and the upper panel 2 are The high light transmittance material can be a flat nuclear non-planar sheet, the material of which is selected from the glass plate or other various flexible sheets, such as: polycarbonate (four), polyester (PET), polyfluorene. Ethyl acrylate (PMMA) or ring-whole hydrocarbon copolymer (COC).. etc., but the material range of the implementation is not limited to the above materials, all kinds of soft or hard sheets are applicable; and the glue layer 3 is A transparent uv glue UV glue, OCA glue or IR glue with insulating properties may be selected; as shown in the third to fourth figures, a lower subtractive layer 12 is provided on the upper surface of the base substrate 1, and the lower layer layer 12 is - oxidize the φ transparent conductive film of the 胄 , , and form a _ line 13 on the transparent conductive film by a side process to define the desired pattern 'The side process can be dried The formula process such as the laser surname, the plasma side, etc.; or the wet-type process, such as engraving, yellow side, inkjet surname... and other technical means; The graphic system includes a plurality of X-axis sensing stitches arranged in parallel with each other, and the X-axis sensing stitches 121 have a plurality of mutually connected and slightly diamond-shaped capacitive sensing units 121a, and the aforementioned X-axis tracking traces are provided. 121 乂 edge is respectively electrically connected to the 邙.11 11 唬 guide 14 disposed at the edge of the base substrate 1, and the waste etched regions 122 are divided into a plurality of discontinuous small area sheets, and are 'early 122a'. Similarly, as shown in the sixth figure, the bottom surface is provided with an upper sensing layer 22, and the upper sensing layer 22 is a transparent conductive material of a sulphur oxide material, and a side line is formed on the transparent guide by a #射_process. 23 to divide the desired _ shape, and the sculpt includes a plurality of Y-axis sensing stitches 221 arranged in a flat arrangement, and each Y-axis sensing stitch 221 has a plurality of capacitive sensing units connected to each other and slightly diamond-shaped. 221a, and one end edge of each of the Y-axis sensing stitches 221 is electrically connected to the upper panel 2 The edge reduction path 24, and the waste side regions 222 are divided into a plurality of discontinuous small area units 222a, and further, a near outer periphery between the bottom surface of the upper panel 2 and the upper sensing layer 22. The part is also provided with a colored frame cover 21 formed by metal splashing, which can be shielded from the upper plate 2 and the bottom substrate 丨 edge track wires 14, 24; as shown in the fifth figure, the aforementioned button scribe lines 13, 23 Having a lateral width of about 15 〇 _ or less, and the depth of the setting is sufficient to completely cut off the transparent conductive film, so that the conductive film can be separated from the two portions of the insulation by 77; when combined, the upper sensing layer 22 and the lower sensing The layer 12 is laminated and bonded to the insulating glue layer 3 to form a transparent plate body 'and the Y-axis sensing stitch 221 and the X-axis track 121 are arranged orthogonally, and the γ and X-axis sensing stitches are arranged. The respective capacitive sensing units 12ia and 221a are arranged in a matrix arrangement, and the sensing signals triggered by the upper and lower sensing layers can be transmitted to the subsequent signal processing circuits via the signal conductors 14, 24. According to the above description, the capacitive touch sensor structure can form an equivalent capacitance between the X-axis trace 121 and the signal conductor ,, and bribe between the Y-axis trace 122 _374 〇 and the signal conductor 24 - An equivalent capacitor, if the hand touches the conductor or gently slides over the surface of the board, the 峨 processing power depends on the change of the capacitance, then the conductor or the hand can be judged; The board with high transparency can be arranged in front of the display screen of the electronic product, so that the user can easily input the operation through the indication position of the panel on the face of the screen. The capacitive touch-talker structure of the foregoing creative embodiment can directly reduce the capacitance sensing unit portion required by the laser-side process on the transparent guide. Therefore, the capacitance layer 12, 22 can be greatly reduced. The proportion of the hollowed out part is used to improve the flatness of the lie and the uniformity of the light-transmitting material of the inspection board, and to improve the lack of development blur distortion; X, Lilin divides the waste-off area into discrete small-area units, Effectively reduce the noise capacitor value to avoid noise interference. Further, as shown in the eighth to eleventh drawings, the second embodiment of the present invention is the same as the foregoing first embodiment, and the main difference is that the lower sensing layer 12 is disposed under the silk 1'. a silk surface, a secret layer 3, the upper panel 2, the upper sensing layer 22' and the bottom substrate 1, and the lower sensing layer 12 are laminated and bonded into a transparent plate body (detailed as shown in the tenth-figure); In addition, the patterns formed on the upper and lower sensing layers 22', 12 are different, that is, in the silk plate, the pattern drawn by the button line 13' of the lower sensing layer 12' of the bottom surface contains several lines of each other. The parallel-arranged X-axis sensing stitches 121' and the waste-remaining area (2)', the capacitive sensing units of the respective x-axis sensing stitches 121 are extended to the X-dimensional area, and each of the χ-axis lines 121' The one end edge is electrically connected to the signal guiding path M393740 14' disposed at the edge of the bottom substrate, and the waste etching area 122' is divided into a plurality of slightly elongated rectangular small area units 122a'; The pattern drawn by the etched line 23' of the upper sensing layer 22' of the bottom surface of the panel 2' contains several tracks of each other The row-arranged γ-axis sensing traces 221 ′ and the waste etched regions 222 , the capacitive sensing units of the respective Y-axis sensing traces 221 ′ are elongated rectangular areas extending in the Y-axis direction and the respective γ-axis sensing stitches 221 ′′ One end edge is electrically connected to the signal guide 24' disposed at the edge of the upper panel 2, and the waste contact regions 222' are divided into a plurality of slightly rectangular small-area units 222a'; The same or similar performance as that of the first embodiment can be achieved by forming a change arrangement of different patterns on the layer. Therefore, other parts that are the same as those of the first embodiment are not described herein. BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is a plan view of the component combination of the first embodiment of the creation; the second drawing is a side sectional view of the component combination of the first embodiment of the creation; A plan view of a bottom substrate of the example; the fourth figure is an enlarged schematic view of the A portion of the third figure; the fifth figure is a side cross-sectional view of the C-C line of the fourth figure; and the sixth figure is the D_D of the fourth figure. 7 is a plan view of the upper panel of the first embodiment of the present invention; FIG. 8 is a plan view of the base substrate of the second embodiment of the present invention; A plan view of the upper panel of the second embodiment of the present invention, and a side cross-sectional view of the component combination of the second embodiment of the present invention. 9 M393740 [Description of main component symbols] Base substrate 1 X-axis sensing stitch 121 Waste etching area 122 Etching line 13 Upper panel 2 Upper sensing layer 22 Capacitive sensing unit 221a Small area unit 222a Signal guiding path 24 Base substrate Γ X-axis sensing line Trace 121 small area unit 122a' signal path 14' upper sensing layer 22' waste etched area 222' etched line 23' glued layer 3' lower sensing layer 12 capacitive sensing unit 121a small area unit 122a signal path 14 colored frame cover 21 Y-axis sensing stitch 221 waste etching area 222 etching line 23 bonding layer 3 lower sensing layer 12' waste etching area 122' etching line 13' upper panel 2' Y-axis sensing stitch 221' small area unit 222a' signal guiding path 24 '