TW201411231A - Touch panel and manufacturing method - Google Patents
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本發明為一種之觸控面板，提供一種可整合於顯示器模組使具有觸控功能之觸控面板及其製造方法。 The invention provides a touch panel, and provides a touch panel that can be integrated into a display module to have a touch function and a manufacturing method thereof.
在現今各式消費性電子產品的市場中，個人數位助理(PDA)、行動電話(mobile Phone)、筆記型電腦(notebook)及平板電腦(tablet PC)等可攜式電子產品皆已廣泛的使用觸控式面板(touch panel)作為其資料溝通的界面工具。此外，由於目前電子產品的設計皆以輕、薄、短、小為方向，因此在產品上無足夠空間容納如鍵盤、滑鼠等傳統輸入裝置，尤其在講求人性化設計的平板電腦需求的帶動下，觸控式面板已經一躍成為關鍵的零組件之一。而且觸控式面板除了符合可作多層次選單設計要求外，亦能同時擁有鍵盤、滑鼠等的功能及手寫輸入等人性化的操作方式，尤其將輸入與輸出整合在同一介面(螢幕)的特質，更是其他傳統輸入裝置所不及之處。 In today's market for consumer electronics products, portable electronic products such as personal digital assistants (PDAs), mobile phones, notebooks, and tablet PCs have been widely used. A touch panel is used as an interface tool for data communication. In addition, since the design of electronic products is currently in the direction of light, thin, short and small, there is not enough space on the product to accommodate traditional input devices such as keyboards and mice, especially in the demand for tablet PCs that are designed with humanity in mind. Next, touch panels have become one of the key components. In addition to the multi-level menu design requirements, the touch panel can also have the functions of keyboard, mouse and other humanized operation modes, especially the integration of input and output in the same interface (screen). The traits are beyond the reach of other traditional input devices.
目前具有觸控功能的平面顯示器的製法及結構種類眾多。早期觸控面板係獨立生產，待完成後才與尺寸配合的液晶面板結合，因此如要製造具有觸控功能的平面顯示器；其中一種最直接的作法，即將一觸控面板透過結合手段，如塗佈一層黏貼層，將觸控面板貼附於該液晶顯示面板的前面板上端面，而該液晶顯示面板包括自上而下層疊設置之一上偏光片、一上玻璃板、一液晶層、一下玻璃板及一下偏光片。 該觸控面板藉由該黏貼層貼附於該液晶顯示面板之上偏光片之上側。 Currently, flat panel displays with touch functions have a wide variety of methods and structures. The early touch panels were independently produced, and only after they were completed, they were combined with the size-matched LCD panels. Therefore, if a flat panel display with touch function is to be manufactured, one of the most direct methods is to pass a touch panel through a bonding means, such as coating. a layer of adhesive layer is attached to the front surface of the front panel of the liquid crystal display panel, and the liquid crystal display panel comprises a top polarizer, an upper glass plate, a liquid crystal layer, and a lower layer. Glass plate and polarizer. The touch panel is attached to the upper side of the polarizer on the liquid crystal display panel by the adhesive layer.
然而，前述觸控式平面顯示器在發展過程中，會產生可視度過低的技術性問題，也就是說，由於觸控面板成為多層構造，光線通過液晶顯示面板，再通過多層觸控面板之構造，容易造成光線穿透率或視角補償性等光學特性不足，而限制了觸控式平面顯示器的可視度；並且在觸控面板的製造過程中，因為多層結構的貼附良率不易控制，導致增加生產成本。 However, in the development process of the above-mentioned touch-type flat panel display, there is a technical problem that the visibility is too low, that is, since the touch panel becomes a multi-layer structure, light passes through the liquid crystal display panel, and then through the structure of the multi-layer touch panel. It is easy to cause insufficient optical characteristics such as light transmittance or viewing angle compensation, and limits the visibility of the touch panel display; and in the manufacturing process of the touch panel, the adhesion yield of the multilayer structure is difficult to control, resulting in Increase production costs.
本發明為一種之觸控面板，提供一種可整合於顯示器模組使具有觸控功能之觸控面板及其製造方法。 The invention provides a touch panel, and provides a touch panel that can be integrated into a display module to have a touch function and a manufacturing method thereof.
為達成上述之目的，本發明之觸控面板包括：一液晶單元；一偏光片，設置於該液晶單元之上；一第一可撓式透明基材，設置於該偏光片與液晶單元之間；一圖案化遮光層，設置於該可撓式透明基材之下表面；以及一觸控感測結構，設置於該圖案化遮光層之下。 In order to achieve the above object, the touch panel of the present invention comprises: a liquid crystal cell; a polarizer disposed on the liquid crystal cell; and a first flexible transparent substrate disposed between the polarizer and the liquid crystal cell a patterned light shielding layer disposed on the lower surface of the flexible transparent substrate; and a touch sensing structure disposed under the patterned light shielding layer.
為達成上述之目的，本發明之觸控面板包括一觸控感測結構，其中，該觸控感測結構更包括複數上感測串列和複數上周邊線路，該複數上感測串列係設置於該可撓式透明基材之下；該複數上周邊線路係設置於圖案化遮光層之下。 To achieve the above objective, the touch panel of the present invention includes a touch sensing structure, wherein the touch sensing structure further includes a plurality of sensing series and a plurality of upper peripheral lines, and the plurality of sensing series systems And disposed under the flexible transparent substrate; the plurality of peripheral lines are disposed under the patterned light shielding layer.
為達成上述之目的，本發明之觸控面板包括一可撓式透明基材，其中，更包括一第二可撓式透明基材設置於該第一可撓式透明基材之下，該第二可撓式透明基材具有複數下感測串列，該複數上感測串列與該下感測串列相互交錯。 In order to achieve the above object, the touch panel of the present invention comprises a flexible transparent substrate, and further comprising a second flexible transparent substrate disposed under the first flexible transparent substrate, the first The second flexible transparent substrate has a plurality of sensing series, and the plurality of sensing series and the lower sensing series are interlaced.
為達成上述之目的，該第一可撓式透明基材和該第二可撓式透明基材為低位相差材質。 To achieve the above object, the first flexible transparent substrate and the second flexible transparent substrate are low phase difference materials.
為達成上述之目的，本發明之觸控面板包括：一液晶單元；一偏光片，設置於該液晶單元之上；一圖案化遮光層，設置於該偏光片之下表面；以及一觸控感測結構，設置於該圖案化遮光層之下。 To achieve the above objective, the touch panel of the present invention comprises: a liquid crystal cell; a polarizer disposed on the liquid crystal cell; a patterned light shielding layer disposed on the lower surface of the polarizer; and a touch sense The structure is disposed under the patterned shading layer.
為達成上述之目的，本發明之觸控面板包括一觸控感測結構，其中，該觸控感測結構更包括複數上感測串列和複數上周邊線路，該複數上感測串列係設置於該偏光片之下，該複數上周邊線路係設置於圖案化遮光層之下。 To achieve the above objective, the touch panel of the present invention includes a touch sensing structure, wherein the touch sensing structure further includes a plurality of sensing series and a plurality of upper peripheral lines, and the plurality of sensing series systems The pixel is disposed under the polarizer, and the plurality of peripheral lines are disposed under the patterned light shielding layer.
為達成上述之目的，本發明之觸控面板包括一可撓式透明基材，其中，更包括一可撓式透明基材設置於該偏光片之下，該第二可撓式透明基材具有複數下感測串列，該複數上感測串列與該下感測串列相互交錯 In order to achieve the above object, the touch panel of the present invention comprises a flexible transparent substrate, wherein a flexible transparent substrate is disposed under the polarizer, and the second flexible transparent substrate has a plurality of sensing series, the complex sensing series and the lower sensing series interlaced
為達成上述之目的，該第一可撓式透明基材和該第二可撓式透明基材為低位相差材質。 To achieve the above object, the first flexible transparent substrate and the second flexible transparent substrate are low phase difference materials.
為達成上述之目的，本發明之觸控面板之製造方法，包括：提供一液晶單元；提供一偏光片，將該偏光片設置於該液晶單元之上；提供一第一可撓式基材，設置於該偏光片與液晶單元之間；提供一圖案化遮光層，設置於該第一可撓式透明基材之下表面；提供一觸控感測結構，設置於該圖案化遮光層之下；以捲對捲方式，貼合該偏光片和該第一可撓式透明基材；以及貼合該偏光片和該第一可撓式透明基材於該液晶單元之上。 The method for manufacturing the touch panel of the present invention comprises: providing a liquid crystal cell; providing a polarizer, the polarizer being disposed on the liquid crystal cell; and providing a first flexible substrate; Provided between the polarizer and the liquid crystal cell; providing a patterned light shielding layer disposed on the lower surface of the first flexible transparent substrate; providing a touch sensing structure disposed under the patterned light shielding layer And bonding the polarizer and the first flexible transparent substrate in a roll-to-roll manner; and bonding the polarizer and the first flexible transparent substrate to the liquid crystal cell.
為達成上述之目的，本發明之觸控面板之製造方法，其中，形成該觸控感測結構，更包括形成複數上感測串列和複數上周邊線路，該複數上感測串列形成於該第一可撓式基材之下，該複數上周邊線路形成於圖案化遮光層之下。 The method for manufacturing a touch panel according to the present invention, wherein the forming the touch sensing structure further comprises forming a plurality of upper sensing series and a plurality of upper peripheral lines, wherein the plurality of sensing series are formed on Under the first flexible substrate, the plurality of upper peripheral lines are formed under the patterned light shielding layer.
為達成上述之目的，本發明之觸控面板之製造方法，其中，更包括：提供一第二可撓式透明基材，設置於該第一可撓式透明基材之下，該第二可撓式透明基材具有複數下感測串列，使該複數上感測串列與該下感測串列相互交錯。 The method for manufacturing the touch panel of the present invention, further comprising: providing a second flexible transparent substrate disposed under the first flexible transparent substrate, the second The flexible transparent substrate has a plurality of sensing series, such that the plurality of sensing series and the lower sensing series are interlaced.
為達成上述之目的，本發明之觸控面板之製造方法，其中，形成該圖案化遮光層之方法為採用印刷法、光阻微影法或噴墨法。 In order to achieve the above object, a method of manufacturing a touch panel of the present invention, wherein the method of forming the patterned light-shielding layer is a printing method, a photoresist lithography method or an inkjet method.
為達成上述之目的，本發明之觸控面板之製造方法，其中，更包括，提供一液晶單元；提供一偏光片，將該偏光片設置於該液晶單元之上；提供一圖案化遮光層，設置於該偏光片之下表面；形成一觸控感測結構，於該圖案化遮光層之下；以及貼合該偏光片於該液晶單元。 The method for manufacturing the touch panel of the present invention further includes: providing a liquid crystal cell; providing a polarizer, the polarizer being disposed on the liquid crystal cell; and providing a patterned light shielding layer, And disposed on the lower surface of the polarizer; forming a touch sensing structure under the patterned light shielding layer; and bonding the polarizer to the liquid crystal cell.
為達成上述之目的，本發明之觸控面板之製造方法，其中，形成該觸控感測結構，更包括形成複數上感測串列和複數上周邊線路，該複數上感測串列形成於該偏光片之下，該複數上周邊線路形成於圖案化遮光層之下。 The method for manufacturing a touch panel according to the present invention, wherein the forming the touch sensing structure further comprises forming a plurality of upper sensing series and a plurality of upper peripheral lines, wherein the plurality of sensing series are formed on Below the polarizer, the plurality of peripheral lines are formed below the patterned shading layer.
為達成上述之目的，本發明之觸控面板之製造方法，其中，更包括：提供一第二可撓式透明基材，於該偏光片之下，該第二可撓式透明基材形成複數下感測串列，使該複數上感測串列與該下感測串列相互交錯。 The method for manufacturing a touch panel of the present invention, further comprising: providing a second flexible transparent substrate, wherein the second flexible transparent substrate forms a plurality of transparent substrates The lower sensing series causes the complex sensing series to be interlaced with the lower sensing series.
為達成上述之目的，本發明之觸控面板之製造方法，其中，形成該圖案化遮光層之方法為採用印刷法或光阻微影法。 In order to achieve the above object, a method for manufacturing a touch panel of the present invention, wherein the method of forming the patterned light shielding layer is a printing method or a photoresist lithography method.
如第一圖所示，係為本發明一實施例所提供之觸控面板之示意圖。本發明之觸控面板包括：液晶顯示單元10，偏光片20位於液晶顯示單元10之上，第一可撓式透明基材40位於液晶顯示單元10和偏光片20之間。其中第一可撓式透明基材40表面具有圖案化遮光層50。圖案化遮光層50可位於第一可撓式透明基材40之上表面或是下表面，圖案化遮光層50可為油墨、噴墨或是遮光材料，並可具有各種顏色和圖案之功能性外觀。觸控感測結構31，具有複數上感測串列33和複數上周邊線路61。複數上感測串列33位於第一可撓式透明基材40之下表面，複數周邊線路61位於圖案化遮光層50之下表面，複數上感測串列33和複數上周邊線路61彼此分別電性連接。於另一實施例(無圖示)，複數上感測串列33位於第一可撓式透明基材40之上表面，複數周邊線路61位於第一可撓式透明基材40之上表面，並位於圖案化遮光層50之下。複數上周邊線路61電性連接上部金手指，與FPC電性連接。觸控感測結構31可為電容式觸控感測結構或電阻式觸控感測結構。 As shown in the first figure, it is a schematic diagram of a touch panel provided by an embodiment of the present invention. The touch panel of the present invention comprises: a liquid crystal display unit 10, the polarizer 20 is located above the liquid crystal display unit 10, and the first flexible transparent substrate 40 is located between the liquid crystal display unit 10 and the polarizer 20. The surface of the first flexible transparent substrate 40 has a patterned light shielding layer 50. The patterned light shielding layer 50 may be located on the upper surface or the lower surface of the first flexible transparent substrate 40. The patterned light shielding layer 50 may be an ink, an inkjet or a light shielding material, and may have various colors and patterns of functionality. Exterior. The touch sensing structure 31 has a plurality of upper sensing series 33 and a plurality of upper peripheral lines 61. The plurality of sensing series 33 are located on the lower surface of the first flexible transparent substrate 40, and the plurality of peripheral lines 61 are located on the lower surface of the patterned light shielding layer 50. The plurality of sensing series 33 and the plurality of upper peripheral lines 61 are respectively separated from each other. Electrical connection. In another embodiment (not shown), the plurality of sensing series 33 are located on the upper surface of the first flexible transparent substrate 40, and the plurality of peripheral lines 61 are located on the upper surface of the first flexible transparent substrate 40. It is located below the patterned shading layer 50. The upper peripheral line 61 is electrically connected to the upper gold finger and electrically connected to the FPC. The touch sensing structure 31 can be a capacitive touch sensing structure or a resistive touch sensing structure.
本發明之一實施例所提供之觸控面板製造方法，先提供液晶顯示單元10，設置偏光片20於液晶顯示單元10之上，提供第一可撓式透明基材40於偏光片20和液晶顯示單元10之間。形成圖案化遮光層50於第一可撓式透明基材40下表 面，其中形成圖案化遮光層50之方法可為印刷法、BM光阻微影法或噴墨法。於第一可撓式透明基材40和圖案化遮光層50之下依序形成透明導電層(圖未示)和金屬層(圖未示)，其中形成透明導電層和金屬層之方式例如可為物理氣相沉積、化學氣相沉積、電鍍法、塗佈法或其他成膜方法。再施以兩道黃光製程，圖案化金屬層和透明導電層，形成複數上感測串列31和複數上周邊線路61分別相互電性連接，複數上感測串列31位於第一可撓式透明基材40之下表面，複數上周邊線路61位於圖案化遮光層50之下。於另一實施例，可於第一可撓式透明基材40之上依序形成透明導電層(圖未示)和金屬層(圖未示)，再施以兩道黃光製程，圖案化金屬層和透明導電層，形成複數上感測串列31和複數上周邊線路61分別相互電性連接，再形成圖案化遮光層50於複數上感測串列31和複數上周邊線路61之上，其中形成圖案化遮光層50之方法可為印刷法、BM光阻微影法或噴墨法。其中上述之鍍膜製程和黃光製程為採用捲對捲鍍膜製程和捲對捲黃光製程。最後捲對捲貼合偏光片20和載有觸控感測結構之第一可撓式透明基材40。貼合偏光片和可撓式透明基材於液晶顯示單元之上，而完成本發明之具清晰高光穿透和觸控功能之觸控面板。 A touch panel manufacturing method provided by an embodiment of the present invention first provides a liquid crystal display unit 10, and a polarizer 20 is disposed on the liquid crystal display unit 10 to provide a first flexible transparent substrate 40 on the polarizer 20 and liquid crystal. Between the display units 10. Forming the patterned light shielding layer 50 on the first flexible transparent substrate 40 The method in which the patterned light shielding layer 50 is formed may be a printing method, a BM photoresist lithography method, or an inkjet method. A transparent conductive layer (not shown) and a metal layer (not shown) are sequentially formed under the first flexible transparent substrate 40 and the patterned light shielding layer 50, wherein the transparent conductive layer and the metal layer are formed, for example, For physical vapor deposition, chemical vapor deposition, electroplating, coating or other film forming methods. Applying two yellow light processes, patterning the metal layer and the transparent conductive layer, forming a plurality of upper sensing series 31 and a plurality of upper peripheral lines 61 electrically connected to each other, and the plurality of sensing series 31 are located at the first flexible On the lower surface of the transparent substrate 40, a plurality of upper peripheral lines 61 are located under the patterned light shielding layer 50. In another embodiment, a transparent conductive layer (not shown) and a metal layer (not shown) may be sequentially formed on the first flexible transparent substrate 40, and then subjected to two yellow light processes to be patterned. The metal layer and the transparent conductive layer form a plurality of upper sensing series 31 and a plurality of upper peripheral lines 61 electrically connected to each other, and then form a patterned light shielding layer 50 on the plurality of sensing series 31 and the plurality of upper peripheral lines 61. The method of forming the patterned light shielding layer 50 may be a printing method, a BM photoresist lithography method, or an inkjet method. The coating process and the yellow light process described above adopt a roll-to-roll coating process and a roll-to-roll yellow process. Finally, the roll-to-roll polarizer 20 and the first flexible transparent substrate 40 carrying the touch sensing structure are attached. The polarizing plate and the flexible transparent substrate are attached to the liquid crystal display unit to complete the touch panel with clear high light penetration and touch function of the present invention.
如第二圖所示，係為本發明另一實施例所提供之觸控面板之示意圖。本發明之觸控面板包括：液晶顯示單元10，偏光片20位於液晶顯示單元10之上，第一可撓式透明基材40和第二可撓式透明基材41位於液晶顯示單元10和偏光片20之間。第一可撓式透明基材40下表面或下表面具有圖案化遮 光層50，第一可撓式透明基材40及第二可撓式透明基材41分別具有第一觸控感測結構31和第二觸控感測結構32。其中，第一觸控感測結構31更具有複數上感測串列33和複數上周邊線路61彼此分別電性連接。第二觸控感測結構32更具有複數下感測串列34和複數下周邊線路62彼此分別電性連接。複數上感測串列33及複數下感測串列34彼此電性絕緣且相互交錯。複數上周邊線路61電性連接上部金手指，複數下周邊線路62電性連接下部金手指，分別與FPC電性連接。觸控感測結構31可為電容式觸控感測結構或電阻式觸控感測結構。於另一實施例(無圖示)，複數上感測串列33位於第一可撓式透明基材40之上表面，複數周邊線路61位於第一可撓式透明基材40之上表面，並位於圖案化遮光層50之下。 As shown in the second figure, it is a schematic diagram of a touch panel provided by another embodiment of the present invention. The touch panel of the present invention comprises: a liquid crystal display unit 10, the polarizer 20 is located on the liquid crystal display unit 10, and the first flexible transparent substrate 40 and the second flexible transparent substrate 41 are located on the liquid crystal display unit 10 and polarized light. Between the sheets 20. The lower surface or the lower surface of the first flexible transparent substrate 40 has a patterned cover The first flexible touch substrate 40 and the second flexible transparent substrate 41 respectively have a first touch sensing structure 31 and a second touch sensing structure 32. The first touch sensing structure 31 further has a plurality of upper sensing series 33 and a plurality of upper peripheral lines 61 electrically connected to each other. The second touch sensing structure 32 further has a plurality of sensing series 34 and a plurality of lower peripheral lines 62 electrically connected to each other. The plurality of sensing series 33 and the plurality of sensing series 34 are electrically insulated from each other and interlaced with each other. The plurality of upper peripheral lines 61 are electrically connected to the upper gold fingers, and the plurality of lower peripheral lines 62 are electrically connected to the lower gold fingers, and are electrically connected to the FPC. The touch sensing structure 31 can be a capacitive touch sensing structure or a resistive touch sensing structure. In another embodiment (not shown), the plurality of sensing series 33 are located on the upper surface of the first flexible transparent substrate 40, and the plurality of peripheral lines 61 are located on the upper surface of the first flexible transparent substrate 40. It is located below the patterned shading layer 50.
本發明之一實施例所提供之觸控面板製造方法，先提供液晶顯示單元10，設置偏光片20於液晶顯示單元10之上，提供第一可撓式透明基材40於偏光片20和液晶顯示單元10之間。形成圖案化遮光層50於第一可撓式透明基材40下表面，其中形成圖案化遮光層50之方法可為印刷法、BM光阻微影法或噴墨法。於第一可撓式透明基材40和圖案化遮光層50之下依序形成透明導電層(圖未示)和金屬層(圖未示)，其中形成透明導電層和金屬層之方式例如可為物理氣相沉積、化學氣相沉積、電鍍法、塗佈法或其他成膜方法。再施以兩道黃光製程，圖案化金屬層和透明導電層，形成複數上感測串列31和複數上周邊線路61分別相互電性連接，複數上感測串列31位於第一可撓式透明基材40之下表面，複數上周 邊線路61位於圖案化遮光層50之下。提供第二可撓式透明基材41依序形成透明導電層(圖未示)和金屬層(圖未示)於其上。兩道黃光進行圖案化金屬層和透明導電層，形成複數下感測串列34和複數下周邊線路62，複數下感測串列31位於第二可撓式透明基材40之下表面，複數下周邊線路61位於圖案化遮光層50之下。藉由黏著層70以捲對捲方式貼合第一可撓式透明基材40和第二可撓式透明基材41。其中黏著層70為絕緣結構且電絕緣複數上感測串列33和複數下感測串列34，而上周邊線路61和下周邊線路62分別電性連接上感測串列33和下感測串列34，並且上周邊線路61和下周邊線路62於另一端分別電性連接上部金手指和下部金手指，而可供與FPC電性連接。其中上述之鍍膜製程和黃光製程為採用捲對捲鍍膜製程和捲對捲黃光製程。最後捲對捲貼合偏光片20、載有觸控感測結構之第一可撓式透明基材40及第二可撓式透明基材41。貼合偏光片和可撓式透明基材於液晶顯示單元之上，而完成本發明之具清晰高光穿透和觸控功能之觸控面板。 A touch panel manufacturing method provided by an embodiment of the present invention first provides a liquid crystal display unit 10, and a polarizer 20 is disposed on the liquid crystal display unit 10 to provide a first flexible transparent substrate 40 on the polarizer 20 and liquid crystal. Between the display units 10. The patterned light shielding layer 50 is formed on the lower surface of the first flexible transparent substrate 40, and the method of forming the patterned light shielding layer 50 may be a printing method, a BM photoresist lithography method or an inkjet method. A transparent conductive layer (not shown) and a metal layer (not shown) are sequentially formed under the first flexible transparent substrate 40 and the patterned light shielding layer 50, wherein the transparent conductive layer and the metal layer are formed, for example, For physical vapor deposition, chemical vapor deposition, electroplating, coating or other film forming methods. Applying two yellow light processes, patterning the metal layer and the transparent conductive layer, forming a plurality of upper sensing series 31 and a plurality of upper peripheral lines 61 electrically connected to each other, and the plurality of sensing series 31 are located at the first flexible The lower surface of the transparent substrate 40, the last week The edge line 61 is located below the patterned light shielding layer 50. A second flexible transparent substrate 41 is provided to sequentially form a transparent conductive layer (not shown) and a metal layer (not shown) thereon. The two yellow lights are patterned to form a metal layer and a transparent conductive layer to form a plurality of lower sensing series 34 and a plurality of lower peripheral lines 62. The plurality of sensing series 31 are located on the lower surface of the second flexible transparent substrate 40. The plurality of lower peripheral lines 61 are located below the patterned light shielding layer 50. The first flexible transparent substrate 40 and the second flexible transparent substrate 41 are bonded in a roll-to-roll manner by the adhesive layer 70. The adhesive layer 70 is an insulating structure and electrically insulates the plurality of sensing series 33 and the plurality of sensing series 34, and the upper peripheral line 61 and the lower peripheral line 62 are electrically connected to the sensing series 33 and the lower sensing respectively. The serial line 34, and the upper peripheral line 61 and the lower peripheral line 62 are electrically connected to the upper gold finger and the lower gold finger at the other end, respectively, and are electrically connected to the FPC. The coating process and the yellow light process described above adopt a roll-to-roll coating process and a roll-to-roll yellow process. Finally, the roll-to-roll polarizer 20, the first flexible transparent substrate 40 carrying the touch sensing structure, and the second flexible transparent substrate 41 are attached. The polarizing plate and the flexible transparent substrate are attached to the liquid crystal display unit to complete the touch panel with clear high light penetration and touch function of the present invention.
如第三圖所示為本發明之第三實施例所提供之觸控面板之示意圖。本發明之觸控面板包括：提供液晶顯示單元10，提供偏光片20位於液晶顯示單元10之上。其中偏光片20之上表面或下表面具有圖案化遮光層50。圖案化遮光層50可為油墨、噴墨或是遮光材料，並可具有各種顏色和圖案之功能性外觀。觸控感測結構31，具有複數上感測串列33和複數上周邊線路61。複數上感測串列33位於偏光片20之下，複數周邊線路61位於圖案化遮光層50之下表面，複數上感 測串列33和複數上周邊線路61彼此分別電性連接。於另一實施例(無圖示)，複數上感測串列33位於偏光片20之上表面，複數周邊線路61位於偏光片20之上表面，並位於圖案化遮光層50之下。複數上周邊線路61電性連接上部金手指，與FPC電性連接。觸控感測結構31可為電容式觸控感測結構或電阻式觸控感測結構。 FIG. 3 is a schematic view showing a touch panel provided by a third embodiment of the present invention. The touch panel of the present invention includes: a liquid crystal display unit 10 is provided, and a polarizer 20 is provided on the liquid crystal display unit 10. The upper surface or the lower surface of the polarizer 20 has a patterned light shielding layer 50. The patterned light-shielding layer 50 can be an ink, an inkjet or a light-shielding material and can have a functional appearance of various colors and patterns. The touch sensing structure 31 has a plurality of upper sensing series 33 and a plurality of upper peripheral lines 61. The plurality of sensing series 33 are located below the polarizer 20, and the plurality of peripheral lines 61 are located on the lower surface of the patterned light shielding layer 50. The series 33 and the plurality of upper peripheral lines 61 are electrically connected to each other, respectively. In another embodiment (not shown), the plurality of sensing series 33 are located on the upper surface of the polarizer 20, and the plurality of peripheral lines 61 are located on the upper surface of the polarizer 20 and under the patterned light shielding layer 50. The upper peripheral line 61 is electrically connected to the upper gold finger and electrically connected to the FPC. The touch sensing structure 31 can be a capacitive touch sensing structure or a resistive touch sensing structure.
本發明之一實施例所提供之觸控面板製造方法，先提供液晶顯示單元10，設置偏光片20於液晶顯示單元10之上。形成圖案化遮光層50於偏光片20之下表面，其中形成圖案化遮光層50之方法可為印刷法、BM光阻微影法或噴墨法。於偏光片20和圖案化遮光層50之下依序形成透明導電層(圖未示)和金屬層(圖未示)，其中形成透明導電層和金屬層之方式例如可為物理氣相沉積、化學氣相沉積、電鍍法、塗佈法或其他成膜方法。再施以兩道黃光製程，圖案化金屬層和透明導電層，形成複數上感測串列31和複數上周邊線路61分別相互電性連接，複數上感測串列31位於偏光片20之下表面，複數上周邊線路61位於圖案化遮光層50之下。於另一實施例，可於偏光片20之上依序形成透明導電層(圖未示)和金屬層(圖未示)，再施以兩道黃光製程，圖案化金屬層和透明導電層，形成複數上感測串列31和複數上周邊線路61分別相互電性連接，再形成圖案化遮光層50於複數上感測串列31和複數上周邊線路61之上，其中形成圖案化遮光層50之方法可為印刷法、BM光阻微影法或噴墨法。其中上述之鍍膜製程和黃光製程為採用捲對捲鍍膜製程和捲對捲黃光製程。最後貼合偏光片20和可撓式透明基材於液晶顯示單元之 上，而完成本發明之具清晰高光穿透和觸控功能之觸控面板。 A touch panel manufacturing method according to an embodiment of the present invention provides a liquid crystal display unit 10 and a polarizer 20 disposed on the liquid crystal display unit 10. The patterned light shielding layer 50 is formed on the lower surface of the polarizer 20, and the method of forming the patterned light shielding layer 50 may be a printing method, a BM photoresist lithography method or an inkjet method. A transparent conductive layer (not shown) and a metal layer (not shown) are sequentially formed under the polarizer 20 and the patterned light shielding layer 50, wherein the transparent conductive layer and the metal layer are formed by physical vapor deposition, for example. Chemical vapor deposition, electroplating, coating or other film forming methods. Then, two yellow light processes are applied, and the metal layer and the transparent conductive layer are patterned to form a plurality of upper sensing series 31 and a plurality of upper peripheral lines 61 electrically connected to each other, and the plurality of sensing series 31 are located in the polarizing film 20 The lower surface, the plurality of upper peripheral lines 61 are located below the patterned light shielding layer 50. In another embodiment, a transparent conductive layer (not shown) and a metal layer (not shown) may be sequentially formed on the polarizer 20, and then two yellow light processes are applied to pattern the metal layer and the transparent conductive layer. The plurality of upper sensing lines 31 and the plurality of upper peripheral lines 61 are electrically connected to each other, and the patterned light shielding layer 50 is formed on the plurality of sensing series 31 and the plurality of upper peripheral lines 61, wherein patterned shading is formed. The method of layer 50 can be a printing process, a BM photoresist lithography process, or an ink jet process. The coating process and the yellow light process described above adopt a roll-to-roll coating process and a roll-to-roll yellow process. Finally, the polarizer 20 and the flexible transparent substrate are bonded to the liquid crystal display unit. In addition, the touch panel with clear high light penetration and touch function of the present invention is completed.
如第四圖所示，係為本發明第四實施例所提供之觸控面板之示意圖。本發明之觸控面板包括：液晶顯示單元10，偏光片20位於液晶顯示單元10之上，第二可撓式透明基材40位於液晶顯示單元10和偏光片20之間。偏光片20下表面或下表面具有圖案化遮光層50，偏光片20及第二可撓式透明基材41分別具有第一觸控感測結構31和第二觸控感測結構32。其中，第一觸控感測結構31更具有複數上感測串列33和複數上周邊線路61彼此分別電性連接。第二觸控感測結構32更具有複數下感測串列34和複數下周邊線路62彼此分別電性連接。複數上感測串列33及複數下感測串列34彼此電性絕緣且相互交錯。複數上周邊線路61電性連接上部金手指，複數下周邊線路62電性連接下部金手指，分別與FPC電性連接。觸控感測結構31可為電容式觸控感測結構或電阻式觸控感測結構。於另一實施例(無圖示)，複數上感測串列33位於偏光片20之上表面，複數周邊線路61位於偏光片20之上表面，並位於圖案化遮光層50之下。 As shown in the fourth figure, it is a schematic diagram of a touch panel provided by the fourth embodiment of the present invention. The touch panel of the present invention comprises: a liquid crystal display unit 10, the polarizer 20 is located above the liquid crystal display unit 10, and the second flexible transparent substrate 40 is located between the liquid crystal display unit 10 and the polarizer 20. The lower surface or the lower surface of the polarizer 20 has a patterned light shielding layer 50. The polarizer 20 and the second flexible transparent substrate 41 respectively have a first touch sensing structure 31 and a second touch sensing structure 32. The first touch sensing structure 31 further has a plurality of upper sensing series 33 and a plurality of upper peripheral lines 61 electrically connected to each other. The second touch sensing structure 32 further has a plurality of sensing series 34 and a plurality of lower peripheral lines 62 electrically connected to each other. The plurality of sensing series 33 and the plurality of sensing series 34 are electrically insulated from each other and interlaced with each other. The plurality of upper peripheral lines 61 are electrically connected to the upper gold fingers, and the plurality of lower peripheral lines 62 are electrically connected to the lower gold fingers, and are electrically connected to the FPC. The touch sensing structure 31 can be a capacitive touch sensing structure or a resistive touch sensing structure. In another embodiment (not shown), the plurality of sensing series 33 are located on the upper surface of the polarizer 20, and the plurality of peripheral lines 61 are located on the upper surface of the polarizer 20 and under the patterned light shielding layer 50.
本發明之一實施例所提供之觸控面板製造方法，先提供液晶顯示單元10，設置偏光片20於液晶顯示單元10之上。形成圖案化遮光層50於偏光片20之下表面，其中形成圖案化遮光層50之方法可為印刷法、BM光阻微影法或噴墨法。依序形成透明導電層(圖未示)和金屬層(圖未示)，其中形成透明導電層和金屬層之方式例如可為物理氣相沉積、化學氣相沉積。再施以黃光製程依序圖案化金屬層和透明導電層，形成上感測串列31和上周邊線路61分別相互電性連接。提 供第二可撓式透明基材40依序形成透明導電層(圖未示)和金屬層(圖未示)，進行兩道黃光製程圖案化金屬層和透明導電層形成複數下感測串列34和複數下周邊線路62分別相互電性連接。複數上感測串列31位於偏光片20之下表面，複數上周邊線路61位於圖案化遮光層50之下。藉由黏著層70以捲對捲方式貼合偏光片20和第二可撓式透明基材41。其中黏著層70為絕緣結構且電絕緣複數上感測串列33和複數下感測串列34，而複數上周邊線路61和複數下周邊線路62分別電性連接複數上感測串列33和複數下感測串列34，並且複數上周邊線路61和複數下周邊線路62於另一端分別電性連接上部金手指和下部金手指，而可供與FPC電性連接。其中上述之鍍膜製程和黃光製程為採用捲對捲鍍膜製程和捲對捲黃光製程。最後將載有觸控感測結構之偏光片20及第二可撓式透明基材40以捲對捲方式貼合。以及貼合該偏光片和及第二可撓式透明基材40和該可撓式透明基材於該液晶單元之上，而完成本發明之具清晰高光穿透和觸控功能之觸控面板。 A touch panel manufacturing method according to an embodiment of the present invention provides a liquid crystal display unit 10 and a polarizer 20 disposed on the liquid crystal display unit 10. The patterned light shielding layer 50 is formed on the lower surface of the polarizer 20, and the method of forming the patterned light shielding layer 50 may be a printing method, a BM photoresist lithography method or an inkjet method. A transparent conductive layer (not shown) and a metal layer (not shown) are sequentially formed, and the transparent conductive layer and the metal layer are formed by physical vapor deposition or chemical vapor deposition, for example. Then, the metal layer and the transparent conductive layer are sequentially patterned by a yellow light process, and the upper sensing series 31 and the upper peripheral line 61 are electrically connected to each other. mention The second flexible transparent substrate 40 is sequentially formed with a transparent conductive layer (not shown) and a metal layer (not shown), and two yellow light-processed patterned metal layers and transparent conductive layers are formed to form a plurality of sensing strings. The column 34 and the plurality of lower peripheral lines 62 are electrically connected to each other. The plurality of sensing series 31 are located on the lower surface of the polarizer 20, and the plurality of upper peripheral lines 61 are located below the patterned light shielding layer 50. The polarizer 20 and the second flexible transparent substrate 41 are bonded in a roll-to-roll manner by the adhesive layer 70. The adhesive layer 70 is an insulating structure and electrically insulates the plurality of sensing series 33 and the plurality of sensing series 34, and the plurality of upper peripheral lines 61 and the plurality of lower peripheral lines 62 are electrically connected to the plurality of sensing series 33 and The series 34 is sensed, and the upper peripheral line 61 and the plurality of lower peripheral lines 62 are electrically connected to the upper gold finger and the lower gold finger at the other end, respectively, and are electrically connected to the FPC. The coating process and the yellow light process described above adopt a roll-to-roll coating process and a roll-to-roll yellow process. Finally, the polarizer 20 and the second flexible transparent substrate 40 carrying the touch sensing structure are attached in a roll-to-roll manner. And bonding the polarizer and the second flexible transparent substrate 40 and the flexible transparent substrate to the liquid crystal unit to complete the touch panel with clear high light penetration and touch function of the invention .
如第一圖~第四圖所示之實施例，其中可撓式透明基材之材質可為PET、TAC、玻璃、PMMA、ARTON；其中，圖案化遮光層之形成方式可為採用印刷法、光阻微影法或噴墨法；其中，製作觸控感測結構中之透明感測串列及周邊線路製程可為捲對捲黃光製程、或是印刷技藝。 As shown in the first to fourth embodiments, the material of the flexible transparent substrate can be PET, TAC, glass, PMMA, ARTON; wherein the patterned light shielding layer can be formed by using a printing method, The photoresist lithography method or the inkjet method; wherein the transparent sensing series and the peripheral circuit process in the touch sensing structure can be a roll-to-roll yellow process or a printing technique.
再者，上述之可撓式透明基材為低位相差材質，例如可以為PET、TAC、玻璃、PMMA、ARTON，可進一步提升整體液晶面板之清晰度；而該偏光片之上具有一保護層，該保護層 之材質例如可為玻璃、強化玻璃、PC、PMMA或PC與PMMA的複合材，作為液晶面板外層之保護層(cover lens)。 Furthermore, the flexible transparent substrate is a low phase difference material, for example, PET, TAC, glass, PMMA, ARTON, which can further improve the definition of the overall liquid crystal panel; and the polarizer has a protective layer thereon. Protective layer The material may be, for example, glass, tempered glass, PC, PMMA, or a composite of PC and PMMA, as a cover lens of the outer layer of the liquid crystal panel.
雖然本發明已以實施例揭露如上，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內，當可作些許之更動與潤飾，因此本發明之保護範圍當視申請專利範圍所界定者為準。 Although the present invention has been disclosed above by way of example, it is not intended to limit the invention. The scope of the present invention is defined by the scope of the claims, and the scope of the invention is intended to be limited by the scope of the invention.
10‧‧‧液晶顯示單元 10‧‧‧LCD unit
20‧‧‧偏光片 20‧‧‧ polarizer
30‧‧‧觸控感測結構 30‧‧‧Touch sensing structure
31‧‧‧第一觸控感測結構 31‧‧‧First touch sensing structure
32‧‧‧第一觸控感測結構 32‧‧‧First touch sensing structure
33‧‧‧複數上感測串列 33‧‧‧Multiple sense series
34‧‧‧複數下透明感測串列 34‧‧‧Multiple transparent sensing series
40‧‧‧第一可撓性透明基材 40‧‧‧First flexible transparent substrate
41‧‧‧第二可撓性透明基材 41‧‧‧Second flexible transparent substrate
50‧‧‧圖案化遮光層 50‧‧‧ patterned shade layer
61‧‧‧複數上周邊線路 61‧‧‧Multiple peripheral lines
62‧‧‧複數下周邊線路 62‧‧‧Multiple peripheral lines
70‧‧‧黏著層 70‧‧‧Adhesive layer
第一圖所示為本發明中觸控面板之第一實施例結構示意圖。 The first figure shows the structure of the first embodiment of the touch panel of the present invention.
第二圖所示為本發明中觸控面板之第二實施例結構示意圖。 The second figure shows a schematic structural view of a second embodiment of the touch panel of the present invention.
第三圖所示為本發明中觸控面板之第三實施例結構示意圖。 The third figure shows a schematic structural view of a third embodiment of the touch panel of the present invention.
第四圖所示為本發明中觸控面板之第四實施例結構示意圖。 The fourth figure shows a schematic structural view of a fourth embodiment of the touch panel of the present invention.
10‧‧‧液晶單元 10‧‧‧Liquid Crystal Unit
20‧‧‧偏光片 20‧‧‧ polarizer
31‧‧‧第一觸控感測結構 31‧‧‧First touch sensing structure
33‧‧‧上透明感測串列 33‧‧‧Transparent sensing series
40‧‧‧第一可撓性透明基材 40‧‧‧First flexible transparent substrate
50‧‧‧圖案化遮光層 50‧‧‧ patterned shade layer
61‧‧‧上周邊線路 61‧‧‧Upper perimeter lines
70‧‧‧黏著層 70‧‧‧Adhesive layer
Claims (16)
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| CN108061985A (en) * | 2017-11-17 | 2018-05-22 | 昆山龙腾光电有限公司 | Color membrane substrates and preparation method thereof and touching display screen |
| CN112652240A (en) | 2019-10-11 | 2021-04-13 | 群创光电股份有限公司 | Flexible display device and method for manufacturing flexible display device |
| CN113970981A (en) * | 2021-09-26 | 2022-01-25 | 深圳市三利谱光电科技股份有限公司 | Touch polarizer, processing technology and optical display device |
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| JP4730443B2 (en) * | 2009-02-04 | 2011-07-20 | ソニー株式会社 | Display device |
| CN101833184A (en) * | 2009-03-13 | 2010-09-15 | 宸鸿光电科技股份有限公司 | Integrated structure of capacitive touch pad and liquid crystal display panel |
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