M348281 八、新型說明： 【新型所屬之技術領域】 本創作涉及-種罩蓋鏡>}結構’尤指—種具有觸控感應功能的罩 盍鏡片。 【先前技術】 許多電子產品，例如手機、照相機、PDA、手提電腦，通常會在 它們的顯示幕(LCD)刖没置一罩蓋鏡片（e〇ver iens)，用以保護該顯示幕 _表面避免刮傷或污損；另外，為了提訊號升輸入操作的便利性，所以 觸控板(touch panel)於目前已被廣泛搭配在各式電子產品的顯示幕前 使用，在實務上，大多將觸控板與罩蓋鏡片疊層組合後搭配於電子產 品的顯示幕前使用。以手機的設計為例，通常罩蓋鏡片是採用具有一 定強度的透明薄板，亦即其板體的厚度大約為OH 〇mm，而在罩蓋 鏡片的上表面會设置數層功能薄膜’例如，濾光片、偏光膜、耐刮膜， 其厚度約為0.15mm左右，此外以一般電容式觸控板為例，其構造包 ®含有X轴線跡感應層、Y軸線跡感應層、觸控基板以及若干絕緣層， 所以通常其厚度至少在1mm以上’又再加上二者疊層組合時使用的雙 面膠厚度約為0.15mm，因此罩蓋鏡片與觸控板的組合板體厚度至少 ，2.3mm以上；然而，通常超過L5mm以上厚度的組合板體，不僅會造 •成按裝結構及外觀設計上的困擾，更會嚴重減損鏡片的透光率，造成 顯示幕的影像模糊、影像色彩黯淡等不利的特徵。因此，業界為了避 免前述缺失’所以必須儘量將該組合板體薄型化，惟因該罩蓋鏡片部 分在使財需承受諸料界的衝擊力，故其不能採狀薄的板體，從 5 M348281 而只此要求該觸控板部分儘量地薄型化’而這結果導致觸控板的玻璃 基板或感應膜因為過於单溥’而容易在產製過程中發生破損，嚴重譽 響產品品質及功能’亦因此大幅提高生產成本。 【新型内容】 有鑑於此，本創作的主要是提供一種具有觸控感應功能的罩蓋鏡 片結構，其係於罩蓋鏡片的底表面直接設置一觸控感應結構，以減少 構件的疊合層數，降低組合板體的厚度，以達便於按裝使用以及保持 ♦高透光率的目的’另外，該罩蓋鏡片直接與觸控感應結構組合，亦可 簡化製造工序，降低生產成本以及提升產品良率。 為達成上述目的，本創作係在一罩蓋鏡片的板體底表面上設置電 容式觸控感應結構，以形成一具有觸控感應效能的薄型化罩蓋鏡片結 構；其中，該罩蓋鏡片的基板為-具有優良機械強度(Mechanieal Strength)的尚透光率的薄板材料，例如是各種玻璃、聚甲基丙烯酸甲 酯(polymethylmethacrylate , PMMA)、聚碳酸酯(P〇lycarb〇nate，pc)、 •聚醋(Polythylene terephthalate，PET)或環烯煙共聚合物(Cydic 〇lefm C〇P〇lymer ’ C0C)，可於該罩蓋鏡片基板的上方表面設置一表面層， 而該表面層係由-或多數功能薄臈組成，例如偏光膜、濾光膜、耐刮 -膜或硬膜層...等功能薄膜’據此使該罩蓋鏡ϋ上表面具有_、抗反 射、防污、防眩光以及耐姓等功能。 该電容式觸控感應結構至少包含一感應層及一絕緣跳接層，其 中’該感應層被佈設在前述罩蓋鏡片基板的絲面上，其為一層具有 良好導電特性的透明細’且其含有複數Χ軸線跡(X τ·)與γ軸線 6 M348281 跡(Y Trace)，並呈矩陣式交錯設置’且令在個別χ軸線跡上的各個感 應單元彼此相連接，而於個別γ轴線跡上的各個感應單元則彼此相間 隔排列，並且各個X軸線跡與γ軸線跡的前端分別設有接點；該絕緣 跳接層上設有複域_貫料，令各對貫穿關位錄可分別對應 於前述設在Υ軸線跡的各個二相鄰感應單元之上，此外，還分別於各 對貫穿孔之間的絲面跨設-跳接電導線，使該跳接電導線二端敞露 於為等貫穿孔之中而形成電接部；組成時，利用該絕緣跳接層覆設在 ♦該感應層絲面，以便絕緣覆蓋該感應層的χ轴線跡與γ轴線跡，且 使該絕緣跳接層上的各個跳接電導線之二端緣電接部通過該等貫穿孔 而分別電接於在賊應層上的Υ轴線狀各個二相贼鱗元上，據 此使在個別Υ軸線跡上的各個感應單元彼此電接連通而該感應層上 的各個X軸線跡與γ軸線跡的前端接點再分別電接於設置在面板邊緣 的銀導路，麟接至-訊號輸出排線，使該電容賴城應裝置的感 應訊號可經由該訊號輸出排線傳送到後續的訊號處理電路。 _ 前述絕緣跳接層，最好，是採用介電係數批恤出吻)約為2〜4 ’的高透光率絕緣性薄層材料，例如油墨或是高透光率之聚醋薄膜；而 该感應層及該絕緣跳接層上的跳接電導線則可選用透明性的導電薄 膜，例如是氧化銦錫(Indium Tin Oxide)或是聚乙撐二氧噻吩(PED〇T) 等有機導電材料。 本創作並非侷限於以上所述形式，报明顯地，就熟習此項技藝人 士而言’在參寺上述說明後，能有更多的改良與變化，是以，凡有在 相同之創作精神下所作錢本卿之贿修飾更，f仍應包括在 7 M348281 本創作意圖保護之範疇，併予陳明。 而緊接於後將以一具體實施例繼續說明，以進一步闡明本創作之 創新特徵。 【實施方式】 如第一至三圖所示為本創作之一較佳實施例，其主要係由一基 板、一表面層、一感應層與一絕緣跳接層所共同組成；其中： 該罩蓋鏡片的基板1是採用厚度約0 5mm以及透光率約95〇/〇的 馨PMMA薄板，設在該基板1的上表面的表面層12，乃為一厚度〇1腿 以下的硬膜層(hard coat layer)。 該感應層2是採用透明的氧化銦錫導電薄膜，而於該感應層 上含有多數沿X軸向等距佈置且彼此平行排列的透明χ軸線跡21， 以及多數沿γ轴向等距佈置且彼此平行排列的透明Y軸線跡22,且X 軸線跡21與Y轴線跡22係呈矩陣式交錯設置，最好，該等線跡21、 22的寬度被設定為約〇〇5〜5腿，而且，其中，在前述個別χ軸線跡 21上的各個感應單元(induction-spot) 21a是彼此相連通的，而個別γ 轴線跡22上的各個感應单元22a則彼此呈不連通的相間隔排列’又， 在X軸線跡21的一線端具有線跡接點24，在Y轴線跡22的一線端 具有線跡接點25 ’該等線跡接點24、25可分別電接於面板邊緣的銀 導路7a、7b ’並連接至該訊號輸出排線(未顯示於圖面），據此使該感 應層2上的x軸線跡21與γ軸線跡22之感應訊號可經由該訊號輪出 排線傳送到一後續訊號處理電路。 該絕緣層3是採用介電係數約為3的高透光率絕緣性油墨薄層， 8 M348281 在該絕緣層上設有複數成對的貫穿孔31，並令成對的貫穿孔31的位 置恰可分別對應於前述在γ軸線跡22的各個二相鄰感應單元22a之 上’且分別於各對貫穿孔31之間的絕緣層底表面跨設一跳接電導線 32 ’使該跳接電導線32二端緣敞露於該等貫穿孔31之中而形成電接 部32a，最好，該等接電導線32係選用透明的有機導電材料，例如 是聚乙擇二氧嗔吩。 再如第二、三圖所示，前述構件組成時，該感應層2薄膜係被直 接佈設在前述基板1的底表面之上，而該絕緣跳接層3則覆設於該感 應層2的下方表面，以便將該感應層上的X軸線跡21與γ軸線跡22 作絕緣覆蓋，且使該絕緣跳接層3上的各個跳接電導線32之二端緣電 接部32a通過該等貫穿孔31，而分別電接於在該感應層2上的γ軸線 跡之各個二相鄰感應單元22a上，使在個別γ軸線跡22上的各値感 應單元22a彼此電接連通’從而將X轴向與γ軸向的感應線跡被設置 在同一感應層平面上，且彼此互呈其盤格狀的垂直交叉佈置；於該感 應層2與該絕緣跳接層3組合後，可在X軸線跡21與銀導路7a之間 形成一個等效電容，在Y軸線跡22與銀導路7b之間亦存在一個等效 電谷’因此當手指或導體碰觸或輕滑過觸控板表面時，訊號處理電路 藉由電容的變化，即可判斷導體或手指的碰觸位置。 依前述之辦實制’該罩之各構件敝合紐厚度可保 持在0.7mm以下，而這種輕薄的組合板體非常適合配置在小巧電子產 品的顯示幕(LCD)驗用，既可齡解錢絲保護顯轉，又可 利用該電容摘減應結構讓使用者可透過顯示幕畫面上的指示以手 9 M348281 指輕觸於破所需錄’即可便繼行輸人操作：狐，本創作將罩 蓋鏡片作為餘式難錢裝㈣設置級，使職容摘控感難 置-體組合於罩蓋鏡片的絲面上，因此可以減少疊合層數降低組 合板體的厚度’達便於按裝額錢_高透光率的目的另外，該 罩蓋鏡片直接與觸賊應n組合結構，亦可簡化製虹序，降低生產 成本以及提升產品良率。 【圖式簡單說明】M348281 VIII. New description: [New technical field] This creation involves a kind of cover mirror. The structure is especially a cover lens with touch sensing function. [Prior Art] Many electronic products, such as mobile phones, cameras, PDAs, and laptops, usually have a cover lens (e〇ver iens) on their display screen (LCD) to protect the display surface. Avoid scratches or stains; in addition, in order to facilitate the input operation of the signal, the touch panel has been widely used in front of the display screen of various electronic products. In practice, most of them will be used. The touchpad is combined with the cover lens stack and used in front of the display screen of the electronic product. Taking the design of the mobile phone as an example, the cover lens is usually a transparent thin plate having a certain strength, that is, the thickness of the plate body is about OH 〇 mm, and a plurality of functional films are disposed on the upper surface of the cover lens 'for example, The filter, the polarizing film, and the scratch-resistant film have a thickness of about 0.15 mm. In addition, a general capacitive touch panel is taken as an example, and the structure package® includes an X-axis tracking sensing layer, a Y-axis tracking sensing layer, and a touch. The substrate and the plurality of insulating layers, so usually have a thickness of at least 1 mm or more, and the thickness of the double-sided adhesive used when the two layers are combined is about 0.15 mm, so the combined thickness of the cover lens and the touch panel is at least , 2.3mm or more; however, the composite plate body, which usually exceeds the thickness of L5mm or more, not only will cause troubles in the installation structure and design, but also seriously reduce the light transmittance of the lens, resulting in blurred image and image of the display screen. Unfavorable features such as bleak colors. Therefore, in order to avoid the aforementioned defects, the industry must make the combination plate thin as much as possible. However, since the lens portion of the cover is required to withstand the impact of various materials, it is impossible to pick a thin plate body. M348281 only requires that the touchpad part be as thin as possible', which results in the glass substrate or the sensing film of the touchpad being too simple and easy to break during the production process, which is highly praised for product quality and function. 'Therefore, the production cost is greatly increased. [New content] In view of this, the main purpose of the present invention is to provide a cover lens structure with a touch sensing function, which is provided with a touch sensing structure directly on the bottom surface of the cover lens to reduce the overlapping layer of the component. The number of the composite plate is reduced to facilitate the use of the device and maintain the high light transmittance. In addition, the cover lens is directly combined with the touch sensing structure, which simplifies the manufacturing process, reduces the production cost and improves Product yield. In order to achieve the above object, the present invention provides a capacitive touch sensing structure on a bottom surface of a cover lens to form a thin cover lens structure having touch sensing performance; wherein the cover lens is The substrate is a thin plate material having excellent mechanical strength (Mechanieal Strength), such as various glasses, polymethylmethacrylate (PMMA), polycarbonate (P〇lycarb〇nate, pc), • Polythylene terephthalate (PET) or Cyent 〇lefm C〇P〇lymer 'C0C), a surface layer may be disposed on the upper surface of the cover lens substrate, and the surface layer is - or a majority of functional thin layers, such as a polarizing film, a filter film, a scratch-resistant film or a hard film layer, etc., so that the upper surface of the cover mirror has _, anti-reflection, anti-fouling, Anti-glare and resistance to surnames. The capacitive touch sensing structure includes at least one sensing layer and an insulating jumper layer, wherein the sensing layer is disposed on the surface of the cover lens substrate, which is a transparent thin layer having good electrical conductivity and Containing a complex Χ axis trace (X τ·) and a γ axis 6 M348281 trace (Y Trace), and arranged in a matrix staggered 'and the individual sensing units on the individual χ axis trace are connected to each other, and the individual γ axis Each of the sensing units on the track is spaced apart from each other, and each X-axis trace and the front end of the γ-axis trace are respectively provided with a joint; the insulating jumper layer is provided with a complex field-through material, so that each pair passes through the closed position Corresponding to each of the two adjacent sensing units disposed on the Υ axis trace, and further, respectively, jumping across the wire between the pair of through holes to jump the electrical wires, so that the jumper electrical wires are terminated at both ends An electric junction is formed in the through hole; in the composition, the insulating layer is coated on the surface of the sensing layer to insulate the χ axis trace and the γ axis trace of the sensing layer And making each jumper on the insulation jumper layer The two end edge electrical connecting portions of the wire are respectively electrically connected to the two-phase thief scales on the 贼 应 axis layer on the thief layer, thereby making the respective sensing units on the individual Υ axis traces mutually Electrically connected to each other, the X-axis traces on the sensing layer and the front-end contacts of the γ-axis traces are electrically connected to the silver guides disposed at the edge of the panel, respectively, to the - signal output cable, so that the capacitor Laicheng should The sensing signal of the device can be transmitted to the subsequent signal processing circuit via the signal output cable. _ the above-mentioned insulating jumper layer, preferably, is a high transmittance insulating thin layer material of about 2~4', which is a dielectric or a high transmittance polyester film; The sensing layer and the jumper electrical leads on the insulating jumper layer may be made of a transparent conductive film, such as indium tin oxide (Indium Tin Oxide) or polyethylene dioxythiophene (PED〇T). Conductive material. This creation is not limited to the above-mentioned forms. It is obvious that, in the case of those skilled in the art, 'there can be more improvements and changes after the above explanations in the temple, so that all are in the same creative spirit. The money made by Qian Benqing's bribes should be included in the scope of 7 M348281's intention to protect and be given to Chen Ming. The description will continue with a specific embodiment immediately to further clarify the innovative features of the creation. [Embodiment] As shown in the first to third figures, a preferred embodiment of the present invention is mainly composed of a substrate, a surface layer, a sensing layer and an insulating jumper layer; wherein: the cover The substrate 1 of the cover lens is a scented PMMA sheet having a thickness of about 0.05 mm and a light transmittance of about 95 Å/〇. The surface layer 12 provided on the upper surface of the substrate 1 is a hard coat layer having a thickness of less than 1 leg. (hard coat layer). The sensing layer 2 is a transparent indium tin oxide conductive film, and the sensing layer contains a plurality of transparent germanium axis traces 21 arranged equidistantly along the X-axis and arranged parallel to each other, and most of them are equidistantly arranged along the γ-axis and The transparent Y-axis traces 22 are arranged in parallel with each other, and the X-axis traces 21 and the Y-axis traces 22 are arranged in a matrix, and preferably, the widths of the traces 21, 22 are set to about 〇〇5 to 5 legs. And wherein, the respective induction-spots 21a on the aforementioned individual χ axis traces 21 are in communication with each other, and the respective sensing units 22a on the individual γ-axis traces 22 are spaced apart from each other. Arranged 'again, there is a stitch contact 24 at a line end of the X-axis trace 21, and a stitch contact 25 at a line end of the Y-axis trace 22'. The stitch contacts 24, 25 can be electrically connected to the panel, respectively. The edge silver guides 7a, 7b' are connected to the signal output cable (not shown), whereby the sensing signals of the x-axis trace 21 and the gamma axis trace 22 on the sensing layer 2 can pass through the signal. The turn-out cable is transmitted to a subsequent signal processing circuit. The insulating layer 3 is a thin layer of high transmittance insulating ink having a dielectric constant of about 3, and 8 M348281 is provided with a plurality of pairs of through holes 31 on the insulating layer, and the positions of the pair of through holes 31 are obtained. Corresponding to the foregoing, respectively, on the two adjacent sensing units 22a of the γ-axis track 22 and respectively forming a jumper electrical lead 32 ′ across the bottom surface of the insulating layer between each pair of through holes 31 to make the jumper The two ends of the electric wires 32 are exposed in the through holes 31 to form the electrical connecting portions 32a. Preferably, the connecting wires 32 are made of a transparent organic conductive material, such as polydioxy porphin. As shown in the second and third figures, when the foregoing components are formed, the film of the sensing layer 2 is directly disposed on the bottom surface of the substrate 1, and the insulating jumper layer 3 is disposed on the sensing layer 2. a lower surface for insulatingly covering the X-axis trace 21 and the γ-axis trace 22 on the sensing layer, and passing the two-end edge electrical connection portion 32a of each of the jumper electrical leads 32 on the insulating jumper layer 3 The through holes 31 are respectively electrically connected to the respective two adjacent sensing units 22a of the γ-axis traces on the sensing layer 2, so that the respective sensing units 22a on the individual γ-axis traces 22 are electrically connected to each other' The sensing traces of the X-axis and the γ-axis are disposed on the same sensing layer plane and are in a disc-shaped vertical cross arrangement with each other; after the sensing layer 2 is combined with the insulating jumper layer 3, An equivalent capacitance is formed between the X-axis trace 21 and the silver guide 7a, and there is also an equivalent electric valley between the Y-axis trace 22 and the silver guide 7b. Therefore, when the finger or the conductor touches or slides over the touch When the surface of the board is used, the signal processing circuit can judge the contact position of the conductor or the finger by the change of the capacitance. Set. According to the above, the thickness of each component of the cover can be kept below 0.7mm, and the thin and light composite plate is very suitable for display screen inspection of compact electronic products. The protection of the money wire can be turned on, and the capacitor can be used to reduce the structure. The user can use the finger on the display screen to touch the desired record. This creation will cover the lens as a residual type of money (four) set level, so that the sense of control is difficult to set - the body is combined on the surface of the cover lens, so the number of layers can be reduced to reduce the thickness of the composite plate 'To facilitate the loading of money _ high light transmittance. In addition, the cover lens directly combined with the touch thief should be n structure, can also simplify the rainbow sequence, reduce production costs and improve product yield. [Simple description of the map]
第一圖為本創作的構件分離立體圖； 第二圖為本__緣跳接層與麵雜合的部分正面圖；以及 第三圖係第二圖沿E.E截線之侧面剖示圖。 【主要元件符號說明】The first figure is a separate perspective view of the component of the present invention; the second figure is a front view of a part of the __edge jumper layer and the face; and the third figure is a side view of the second figure along the E.E. [Main component symbol description]
基板1 感應層2 感應單元21a 感應單元22a 線跡接點25 貫穿孔31 電接部32a 表面層12 X軸線跡21 Y軸線跡22 線跡接點24 絕緣跳接層3 跳接電導線32 銀導路7a、7bSubstrate 1 Inductive layer 2 Inductive unit 21a Inductive unit 22a Stitch contact 25 Through hole 31 Electrical connection 32a Surface layer 12 X-axis trace 21 Y-axis trace 22 Trace contact 24 Insulation jumper layer 3 Jumper electrical conductor 32 Silver Guides 7a, 7b