TWI650686B - Touch film and touch panel - Google Patents
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- TWI650686B TWI650686B TW106127392A TW106127392A TWI650686B TW I650686 B TWI650686 B TW I650686B TW 106127392 A TW106127392 A TW 106127392A TW 106127392 A TW106127392 A TW 106127392A TW I650686 B TWI650686 B TW I650686B
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/047—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using sets of wires, e.g. crossed wires
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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Abstract
本發明涉及一種觸控薄膜及觸控面板。所述觸控薄膜包括導電層，所述導電層包括複數節點及連接於所述複數節點之間的複數線路，所述複數線路及所述複數節點形成複數金屬網格，所述複數節點中至少一個節點包括連接部，所述連接部連接至少一段線路，所述連接部具有開口。所述觸控薄膜及採用所述觸控薄膜的觸控面板的目視效果較好。 The invention relates to a touch film and a touch panel. The touch film includes a conductive layer, and the conductive layer includes a plurality of nodes and a plurality of lines connected between the plurality of nodes, and the plurality of lines and the plurality of nodes form a plurality of metal grids. One node includes a connection portion that connects at least a section of a line, and the connection portion has an opening. The touch film and the touch panel using the touch film have better visual effects.
Description
本發明涉及一種觸控薄膜與觸控面板。 The invention relates to a touch film and a touch panel.
觸控技術已廣泛地應用於各種電子產品的顯示裝置中，以便於使用者利用觸控方式操控該電子產品的作動。觸控面板為了使其觸控區域的電極不易被視認，通常採用氧化銦錫(Indium Tin Oxides，ITO)來形成透明觸控電極。但隨著觸控面板的應用逐漸朝大尺寸方向發展，使用氧化銦錫透明電極的技術存在著電阻較大、觸控回應速度較慢，需多道工藝步驟以及製作成本較高等技術問題，故採用金屬網格(Metal Mesh)觸控電極是被發展以用於取代氧化銦錫的透明觸控電極的應用。 Touch technology has been widely used in display devices of various electronic products, so that users can use touch to control the actions of the electronic products. In order to make the electrodes in the touch area of the touch panel difficult to be recognized, indium tin oxide (ITO) is usually used to form the transparent touch electrodes. However, as the application of touch panels is gradually moving towards large dimensions, the technology using indium tin oxide transparent electrodes has technical problems such as large resistance, slow touch response speed, requiring multiple process steps, and high production costs. A metal mesh (Metal Mesh) touch electrode is an application developed to replace a transparent touch electrode of indium tin oxide.
具體來講，金屬網格的觸控電極包括複數條沿第一方向延伸的第一金屬導電微線、以及複數條沿第二方向延伸的第二金屬導電微線，其中複數條第一金屬導電微線與複數條二金屬導電微線是相交並連接形成複數節點及連接於節點之間的線路，可以理解，所述節點及所述線路還形成複數網格。然，所述具有金屬網格的觸控電極的觸控面板的導電微線及節點容易被人眼觀測到，從而導致所述觸控面板的目視效果較差，有必要改良。 Specifically, the touch electrode of the metal grid includes a plurality of first metal conductive microwires extending along the first direction, and a plurality of second metal conductive microwires extending along the second direction, wherein the plurality of first metal conductive The microwire and a plurality of two-metal conductive microwires intersect and are connected to form a plurality of nodes and lines connected between the nodes. It can be understood that the nodes and the lines also form a plurality of grids. However, the conductive microwires and nodes of the touch panel with a touch electrode with a metal grid are easily observed by human eyes, resulting in poor visual effects of the touch panel, and it is necessary to improve.
為改良習知技術中具有金屬網格的觸控電極目視效果較差的技術問題，有必要提供一種目視效果較佳的具有金屬網格的觸控電極的觸控薄膜與觸控面板。 In order to improve the technical problem of poor visual effect of a touch electrode with a metal grid in the conventional technology, it is necessary to provide a touch film and a touch panel with a metal grid touch electrode having better visual effects.
一種觸控薄膜，其包括導電層，所述導電層包括複數節點及連接於所述複數節點之間的複數線路，所述複數線路及所述複數節點形成複數金屬網格，所述複數節點中的至少部分節點包括連接部，所述連接部連接至少一段線路，所述連接部具有開口。 A touch film includes a conductive layer, the conductive layer includes a plurality of nodes and a plurality of lines connected between the plurality of nodes, and the plurality of lines and the plurality of nodes form a plurality of metal grids in the plurality of nodes At least part of the nodes include a connection portion that connects at least a section of a line, and the connection portion has an opening.
在一種實施方式中，所述開口的形狀為正方形、菱形、圓形或不規則形狀。 In one embodiment, the shape of the opening is a square, a diamond, a circle, or an irregular shape.
在一種實施方式中，所述開口為形成於所述連接部的中央區域的封閉式開口。 In one embodiment, the opening is a closed opening formed in a central region of the connection portion.
在一種實施方式中，所述開口為形成於所述連接部上的非封閉式開口。 In one embodiment, the opening is a non-closed opening formed on the connecting portion.
在一種實施方式中，所述開口的面積在4μm2至10μm2的範圍內。 In one embodiment, the area of the opening is in a range of 4 μm 2 to 10 μm 2 .
在一種實施方式中，所述連接部的面積在10μm2至50μm2的範圍內。 In one embodiment, an area of the connection portion is in a range of 10 μm 2 to 50 μm 2 .
在一種實施方式中，所述開口的寬度在2μm-5μm的範圍內。 In one embodiment, the width of the opening is in a range of 2 μm to 5 μm.
在一種實施方式中，所述導電層包括複數條沿第一方向延伸的第一導線及複數條沿第二方向延伸且與所述複數條第一導線相交並連接的第二導線，所述複數條第一導線與所述複數條第二導線相交構成位於相交位置的所述複數節點，任意相鄰兩個所述節點之間的部分第一導線或部分第二導線構成一段線路。 In one embodiment, the conductive layer includes a plurality of first wires extending along a first direction and a plurality of second wires extending along a second direction and intersecting and connecting with the plurality of first wires. The first wires and the plurality of second wires intersect to form the plurality of nodes at the intersection position, and a part of the first wire or a part of the second wires between any two adjacent nodes constitutes a section of line.
在一種實施方式中，所述導電層還形成複數條相互絕緣且沿第三方向延伸的觸控電極，其中每個觸控電極包括所述複數節點及連接於所述複數節點之間的複數線路。 In one embodiment, the conductive layer further forms a plurality of touch electrodes that are insulated from each other and extend along the third direction, wherein each touch electrode includes the plurality of nodes and a plurality of lines connected between the plurality of nodes. .
一種觸控面板，其包括觸控薄膜，所述觸控薄膜包括導電層，所述導電層包括複數節點及連接於所述複數節點之間的複數線路，所述複數線路及所述複數節點形成複數金屬網格，所述複數節點中的至少部分節點包括連接部，所述連接部連接至少一段線路，所述連接部具有開口。 A touch panel includes a touch film, the touch film includes a conductive layer, the conductive layer includes a plurality of nodes and a plurality of lines connected between the plurality of nodes, and the plurality of lines and the plurality of nodes form A plurality of metal grids, at least a part of the plurality of nodes including a connection portion, the connection portion being connected to at least a section of a line, and the connection portion having an opening.
相較於習知技術，本發明觸控薄膜及觸控面板中，所述複數節點中的至少部分節點的連接部具有開口，避免所述節點處的連接部尺寸過大，進而可以降低所述節點的可視性，提高的目視效果。 Compared with the conventional technology, in the touch film and the touch panel of the present invention, at least part of the nodes of the plurality of nodes have openings at the connection portions, which avoids the size of the connection portions at the nodes from being too large, thereby reducing the nodes Visibility and improved visual effects.
100、200‧‧‧觸控薄膜 100, 200‧‧‧ touch film
110、210、310‧‧‧承載基體 110, 210, 310‧‧‧bearing substrate
120、220‧‧‧導電層 120, 220‧‧‧ conductive layer
121、221‧‧‧第一導線 121, 221‧‧‧ first lead
122、222‧‧‧第二導線 122, 222‧‧‧ Second wire
123、223‧‧‧節點 123, 223‧‧‧node
124、224‧‧‧線路 124, 224‧‧‧ lines
125、225‧‧‧連接部 125, 225‧‧‧ Connection
126、226‧‧‧開口 126, 226‧‧‧ opening
229、329、339‧‧‧觸控電極 229, 329, 339‧‧‧ touch electrode
M‧‧‧金屬網格 M‧‧‧Metal grid
311‧‧‧第一表面 311‧‧‧first surface
320‧‧‧第一導電層 320‧‧‧ the first conductive layer
312‧‧‧第二表面 312‧‧‧Second Surface
330‧‧‧第二導電層 330‧‧‧Second conductive layer
400、500‧‧‧觸控面板 400, 500‧‧‧ touch panel
430、530‧‧‧基板 430, 530‧‧‧ substrate
410、510‧‧‧第一觸控薄膜 410, 510‧‧‧ first touch film
420、520‧‧‧第二觸控薄膜 420, 520‧‧‧‧Second touch film
401、501‧‧‧第一膠體層 401, 501‧‧‧ the first colloid layer
402、502‧‧‧第二膠體層 402, 502‧‧‧ second colloid layer
圖1是本發明第一實施方式之觸控薄膜的結構示意圖。 FIG. 1 is a schematic structural diagram of a touch film according to a first embodiment of the present invention.
圖2是圖1所示之觸控薄膜一種實施例的部分放大示意圖。 FIG. 2 is a partially enlarged schematic diagram of an embodiment of the touch film shown in FIG. 1.
圖3-圖5是圖2所示之觸控薄膜的三種變更實施例的部分放大示意圖。 3 to 5 are partially enlarged schematic diagrams of three modified embodiments of the touch film shown in FIG. 2.
圖6是本發明第二實施方式之觸控薄膜的結構示意圖。 FIG. 6 is a schematic structural diagram of a touch film according to a second embodiment of the present invention.
圖7是圖6所示之觸控薄膜一種實施例的部分放大示意圖。 FIG. 7 is a partially enlarged schematic diagram of an embodiment of the touch film shown in FIG. 6.
圖8-圖10是圖7所示之觸控薄膜的三種變更實施例的部分放大示意圖。 8-10 are partial enlarged schematic diagrams of three modified embodiments of the touch film shown in FIG. 7.
圖11是本發明第三實施方式之觸控薄膜的結構示意圖。 FIG. 11 is a schematic structural diagram of a touch film according to a third embodiment of the present invention.
圖12是本發明第一實施方式之觸控面板的結構示意圖。 FIG. 12 is a schematic structural diagram of a touch panel according to a first embodiment of the present invention.
圖13是本發明第二實施方式之觸控面板的結構示意圖。 FIG. 13 is a schematic structural diagram of a touch panel according to a second embodiment of the present invention.
請參閱圖1，圖1是本發明第一實施方式之觸控薄膜100的結構示意圖。所述觸控薄膜100可以直接用於或進一步進行刻蝕處理後再用於觸控面板中，其包括承載基體110及形成於承載基體上的導電層120。 Please refer to FIG. 1. FIG. 1 is a schematic structural diagram of a touch film 100 according to a first embodiment of the present invention. The touch film 100 can be used directly or after being further etched before being used in a touch panel. The touch film 100 includes a carrier substrate 110 and a conductive layer 120 formed on the carrier substrate.
所述導電層120包括複數條大致沿第一方向延伸的第一導線121及複數條大致沿第二方向延伸且與所述複數條第一導線121相交並連接的第二導線122，所述複數條第一導線121與所述複數條第二導線122相交構成位於相交位置的複數節點123，任意相鄰兩個所述節點123之間的部分第一導線121或部分第二導線122構成一段線路124。故，所述導電層120包括複數節點123及連接於所述複數節點123之間的複數線路124，所述複數線路124及所述複數節點形成複數金屬網格M。所述第一方向與所述第二方向可以基本垂直。 The conductive layer 120 includes a plurality of first conductive wires 121 extending substantially along a first direction and a plurality of second conductive wires 122 extending substantially along a second direction and intersects and connects with the plurality of first conductive wires 121. A plurality of first conductive lines 121 intersect with the plurality of second conductive lines 122 to form a plurality of nodes 123 at the intersection position. A portion of the first conductive lines 121 or a portion of the second conductive lines 122 between any two adjacent nodes 123 constitute a line. 124. Therefore, the conductive layer 120 includes a plurality of nodes 123 and a plurality of lines 124 connected between the plurality of nodes 123. The plurality of lines 124 and the plurality of nodes form a plurality of metal meshes M. The first direction and the second direction may be substantially perpendicular.
可以理解，所述承載基體110可以由透明的絕緣材料構成，例如玻璃、聚對苯二甲酸乙二醇酯(Polyethylene terephthalate,PET)等。所述第一導線121與所述第二導線122的材質可包括銀、納米銀或者銀的混合物等。每段線路124的線寬可以在0.5μm-5μm的範圍內，每段線路124的長度可以在200μm-500μm的範圍內。進一步地，可以理解，在一種變更實施方式中，所述觸控薄膜100也可以包括保護層，所述保護層可為透明樹脂層，其可以覆蓋於所述導電層120遠離所述承載基體110的表面，用於保護所述導電層120。 It can be understood that the carrier substrate 110 may be made of a transparent insulating material, such as glass, polyethylene terephthalate (PET), or the like. The material of the first conductive line 121 and the second conductive line 122 may include silver, nano-silver, or a mixture of silver. The line width of each segment of the line 124 may be in a range of 0.5 μm to 5 μm, and the length of each segment of the line 124 may be in a range of 200 μm to 500 μm. Further, it can be understood that, in a modified embodiment, the touch film 100 may also include a protective layer. The protective layer may be a transparent resin layer, which may cover the conductive layer 120 away from the carrier substrate 110. Surface for protecting the conductive layer 120.
請參閱圖2，圖2是圖1所示的觸控薄膜100一種實施例的部分放大示意圖。所述複數節點123中的至少部分節點123包括連接部125，所述連接部125連接至少一段線路124，本實施例中，每個節點123均包括連接部125，且每個節點123連接四段線路124，即所述連接部125連接四段線路124。進一步地，所述連接部125還具有開口126，其中，所述連接部125的面積在 10μm2至50μm2的範圍內，所述開口126的面積在4μm2至10μm2的範圍內，所述開口126的寬度在2μm-5μm的範圍內。 Please refer to FIG. 2, which is a partially enlarged schematic diagram of an embodiment of the touch film 100 shown in FIG. 1. At least a part of the plurality of nodes 123 includes a connection part 125, and the connection part 125 is connected to at least one section of line 124. In this embodiment, each node 123 includes a connection section 125, and each node 123 is connected to four sections. The circuit 124 is a four-section circuit 124 connected to the connecting portion 125. Further, the connecting portion 125 further has an opening 126, wherein an area of the connecting portion 125 is in a range of 10 μm 2 to 50 μm 2, and an area of the opening 126 is in a range of 4 μm 2 to 10 μm 2 . The width of the opening 126 is in a range of 2 μm to 5 μm.
進一步地，本實施例中，所述開口126為封閉式開口，其大致位於所述連接部125的中央區域，所述連接部125可為具有所述封閉式開口126的環狀結構。所述開口126的形狀可為菱形，具體地，可為正方形。對應地，所述連接部125的形狀可為菱形環狀，具體地，可以正方形環狀。 Further, in this embodiment, the opening 126 is a closed type opening, which is substantially located in a central region of the connecting portion 125. The connecting portion 125 may be a ring structure having the closed opening 126. The shape of the opening 126 may be a diamond shape, and specifically, may be a square shape. Correspondingly, the shape of the connecting portion 125 may be a diamond ring, specifically, a square ring.
但，可以理解，所述開口126也可為圓形或其他不規則形狀，所述連接部125的形狀也可為圓環狀或其他不規則環狀。請參閱圖3，圖3是圖1所示的觸控薄膜100第一種變更實施例的部分放大示意圖。所述變更實施例的觸控薄膜100與圖2所示的實施例基本相同，二者的主要差別在於：所述第一種變更實施例中，所述開口126為圓形，所述連接部125的形狀為圓環狀。 However, it can be understood that the opening 126 can also be circular or other irregular shapes, and the shape of the connecting portion 125 can also be circular or other irregular rings. Please refer to FIG. 3, which is a partially enlarged schematic diagram of a first modified embodiment of the touch film 100 shown in FIG. 1. The touch film 100 of the modified embodiment is basically the same as the embodiment shown in FIG. 2. The main difference between the two is that in the first modified embodiment, the opening 126 is circular, and the connecting portion The shape of 125 is circular.
但，所變更實施例中，所述開口126也可為非封閉式的開口，所述連接部125的形狀也可為具有所述非封閉開口126的部分環狀結構。請參閱圖4，圖4是圖1所示的觸控薄膜100第二種變更實施例的部分放大示意圖。所述變更實施例的觸控薄膜100與圖2所示的實施例基本相同，二者的主要差別在於：所述開口126為非封閉式的菱形開口(如正方形開口)，所述連接部125的形狀為具有所述非封閉式開口126的部分菱形環狀結構(如正方形環形結構)。 However, in the modified embodiment, the opening 126 may be a non-closed opening, and the shape of the connection portion 125 may be a partially annular structure having the non-closed opening 126. Please refer to FIG. 4, which is a partially enlarged schematic diagram of a second modified embodiment of the touch film 100 shown in FIG. 1. The touch film 100 of the modified embodiment is basically the same as the embodiment shown in FIG. 2. The main difference between the two is that the opening 126 is a non-closed diamond-shaped opening (such as a square opening), and the connecting portion 125 The shape is a partially rhombic ring structure (such as a square ring structure) having the non-closed opening 126.
請參閱圖5，圖5是圖1所示的觸控薄膜100第三種變更實施例的部分放大示意圖。所述變更實施例的觸控薄膜100與圖4所示的實施例基本相同，二者的主要差別在於：所述開口126為非封閉式的圓形開口，所述連接部125的形狀為具有所述非封閉式開口126的部分圓環狀結構。 Please refer to FIG. 5, which is a partially enlarged schematic diagram of a third modified embodiment of the touch film 100 shown in FIG. 1. The touch film 100 of the modified embodiment is basically the same as the embodiment shown in FIG. 4. The main difference between the two is that the opening 126 is a non-closed circular opening, and the shape of the connecting portion 125 is The non-closed opening 126 is a partially annular structure.
請參閱圖6，圖6是本發明第二實施方式之觸控薄膜200的結構示意圖。所述觸控薄膜200可以直接用於觸控面板中，其包括承載基體210及形成於承載基體210上的導電層220。 Please refer to FIG. 6, which is a schematic structural diagram of a touch film 200 according to a second embodiment of the present invention. The touch film 200 can be directly used in a touch panel, and includes a carrier substrate 210 and a conductive layer 220 formed on the carrier substrate 210.
所述導電層220包括複數觸控電極229，每個觸控電極229包括複數條大致沿第一方向延伸的第一導線221及複數條大致沿第二方向延伸且與所述複數條第一導線221相交並連接的第二導線222，所述複數條第一導線221與所述複數條第二導線222相交構成位於相交位置的複數節點223，任意相鄰兩個所述節點223之間的部分第一導線221或部分第二導線222構成一段線路224。故，所述導電層220包括複數節點223及連接於所述複數節點223之間的複數線路224，所述複數線路224及所述複數節點223形成複數金屬網格M。所述複數觸控電極229均沿第三方向延伸，其中，所述第一方向、所述第二方向及所述第三方向的方向均不相同，且所述第一方向與所述第二方向可以垂直，所述第三方向與所述第一方向及所述第二方向的夾角可以基本相同。 The conductive layer 220 includes a plurality of touch electrodes 229. Each touch electrode 229 includes a plurality of first conductive lines 221 extending substantially along a first direction and a plurality of first conductive lines extending substantially along a second direction. 221 intersecting and connecting second wires 222, the plurality of first wires 221 and the plurality of second wires 222 intersect to form a plurality of nodes 223 located at intersections, and a portion between any two adjacent nodes 223 The first conductive line 221 or a part of the second conductive line 222 constitutes a section of the line 224. Therefore, the conductive layer 220 includes a plurality of nodes 223 and a plurality of lines 224 connected between the plurality of nodes 223. The plurality of lines 224 and the plurality of nodes 223 form a plurality of metal meshes M. The plurality of touch electrodes 229 all extend in a third direction, wherein the directions of the first direction, the second direction, and the third direction are all different, and the first direction is different from the second direction. The direction may be vertical, and the included angle between the third direction and the first direction and the second direction may be substantially the same.
可以理解，所述承載基體210可以由透明的絕緣材料構成，例如玻璃、聚對苯二甲酸乙二醇酯(Polyethylene terephthalate,PET)等。所述第一導線221與所述第二導線222的材質可包括銀、納米銀或者銀的混合物等。每段線路224的線寬可以在0.5μm-5μm的範圍內，每段線路224的長度可以在200μm-500μm的範圍內。進一步地，可以理解，在一種變更實施方式中，所述觸控薄膜200也可以包括保護層，所述保護層可為透明樹脂層，其可以覆蓋於所述導電層220遠離所述承載基體210的表面，用於保護所述導電層220。 It can be understood that the supporting substrate 210 may be made of a transparent insulating material, such as glass, polyethylene terephthalate (PET), and the like. The material of the first conductive wires 221 and the second conductive wires 222 may include silver, nano-silver, or a mixture of silver. The line width of each line 224 can be in the range of 0.5 μm to 5 μm, and the length of each line 224 can be in the range of 200 μm to 500 μm. Further, it can be understood that, in a modified embodiment, the touch film 200 may also include a protective layer, and the protective layer may be a transparent resin layer, which may cover the conductive layer 220 away from the carrier substrate 210. Surface for protecting the conductive layer 220.
其中，可以理解，所述第二實施方式中的觸控薄膜200可以藉由對第一實施方式之觸控薄膜100的導電層120進行刻蝕後獲得。如採用刻蝕的 方法在所述導電層120上形成複數開口區域，其中所述開口區域的節點與線路被去除，所述剩餘的導電層120的節點與線路形成所述沿第三方向延伸的複數觸控電極229。 It can be understood that the touch film 200 in the second embodiment can be obtained by etching the conductive layer 120 of the touch film 100 in the first embodiment. If etched The method forms a plurality of open areas on the conductive layer 120, wherein nodes and lines of the open area are removed, and the nodes and lines of the remaining conductive layer 120 form the plurality of touch electrodes 229 extending in the third direction. .
請參閱圖7，圖7是圖6所示的觸控薄膜200一種實施例的部分放大示意圖。所述複數節點223中的至少部分節點223包括連接部225，所述連接部225連接至少一段線路224，本實施例中，每個節點連接四段線路224，即所述連接部225連接四段線路224。進一步地，所述連接部225還具有開口226，其中，所述連接部225的面積在10μm2至50μm2的範圍內，所述開口226的面積在4μm2至10μm2的範圍內，所述開口226的寬度在2μm-5μm的範圍內。 Please refer to FIG. 7, which is a partially enlarged schematic diagram of an embodiment of the touch film 200 shown in FIG. 6. At least part of the plurality of nodes 223 includes a connection portion 225, and the connection portion 225 is connected to at least one section of line 224. In this embodiment, each node is connected to four sections of line 224, that is, the connection section 225 is connected to four sections Line 224. Further, the connecting portion 225 further has an opening 226, wherein an area of the connecting portion 225 is in a range of 10 μm 2 to 50 μm 2, and an area of the opening 226 is in a range of 4 μm 2 to 10 μm 2 . The width of the opening 226 is in a range of 2 μm to 5 μm.
進一步地，本實施例中，所述開口226為封閉式開口，其大致位於所述連接部225的中央區域，所述連接部225可為具有所述封閉式開口226的環狀結構。所述開口226的形狀可為菱形，具體地，可為正方形。對應地，所述連接部225的形狀可為菱形環狀，具體地，可以正方形環狀。 Further, in this embodiment, the opening 226 is a closed type opening, which is substantially located in a central region of the connection portion 225, and the connection portion 225 may be a ring structure having the closed type opening 226. The shape of the opening 226 may be a diamond shape, and specifically, may be a square shape. Correspondingly, the shape of the connecting portion 225 may be a diamond ring, specifically, a square ring.
但，可以理解，所述開口226也可為圓形或其他不規則形狀，所述連接部225的形狀也可為圓環狀或其他不規則環狀。請參閱圖8，圖8是圖7所示的觸控薄膜200第一種變更實施例的部分放大示意圖。所述變更實施例的觸控薄膜200與圖7所示的實施例基本相同，二者的主要差別在於：所述第一種變更實施例中，所述開口226為圓形，所述連接部225的形狀為圓環狀。 However, it can be understood that the opening 226 can also be circular or other irregular shapes, and the shape of the connecting portion 225 can also be circular or other irregular rings. Please refer to FIG. 8, which is a partially enlarged schematic diagram of a first modified embodiment of the touch film 200 shown in FIG. 7. The touch film 200 of the modified embodiment is basically the same as the embodiment shown in FIG. 7. The main difference between the two is that in the first modified embodiment, the opening 226 is circular, and the connecting portion The shape of 225 is circular.
但，可以理解，所變更實施例中，所述開口226也可為非封閉式的開口，所述連接部225的形狀也可為具有所述非封閉開口226的部分環狀結構。請參閱圖9，圖9是圖7所示的觸控薄膜200第二種變更實施例的部分放大示意圖。所述變更實施例的觸控薄膜200與圖2所示的實施例基本相同， 二者的主要差別在於：所述開口226為非封閉式的菱形開口(如正方形開口)，所述連接部225的形狀為具有所述非封閉式開口226的部分菱形環狀結構(如正方形環形結構)。 However, it can be understood that, in the modified embodiment, the opening 226 may also be a non-closed opening, and the shape of the connection portion 225 may also be a partially annular structure having the non-closed opening 226. Please refer to FIG. 9, which is a partially enlarged schematic diagram of a second modified embodiment of the touch film 200 shown in FIG. 7. The touch film 200 of the modified embodiment is basically the same as the embodiment shown in FIG. 2. The main difference between the two is that the opening 226 is a non-closed diamond-shaped opening (such as a square opening), and the shape of the connection portion 225 is a partially diamond-shaped ring structure (such as a square ring) structure).
請參閱圖10，圖10是圖7所示的觸控薄膜200第三種變更實施例的部分放大示意圖。所述變更實施例的觸控薄膜200與圖9所示的實施例基本相同，二者的主要差別在於：所述開口226為非封閉式的圓形開口，所述連接部225的形狀為具有所述非封閉式開口226的部分圓環狀結構。 Please refer to FIG. 10, which is a partially enlarged schematic diagram of a third modified embodiment of the touch film 200 shown in FIG. 7. The touch film 200 of the modified embodiment is basically the same as the embodiment shown in FIG. 9. The main difference between the two is that the opening 226 is a non-closed circular opening, and the shape of the connecting portion 225 is A part of the annular structure of the non-closed opening 226.
請參閱圖11，圖11是本發明第三實施方式之觸控薄膜300的結構示意圖。所述觸控薄膜300包括承載基體310、形成與所述承載基體310第一表面311的第一導電層320及形成於所述承載基體310與第一表面311相反的第二表面312的第二導電層330。 Please refer to FIG. 11, which is a schematic structural diagram of a touch film 300 according to a third embodiment of the present invention. The touch film 300 includes a carrier substrate 310, a first conductive layer 320 formed on the carrier substrate 310 and a first surface 311, and a second substrate 312 formed on a second surface 312 of the carrier substrate 310 opposite to the first surface 311. Conductive layer 330.
所述第一導電層320與第二實施方式中的導電層220的結構基本相同，此處就不再贅述。所述第二導電層330與第二實施方式之導電層220的結構也基本相同，但所述第二導電層330的複數觸控電極339的延伸方向與所述第一導電層320的複數觸控電極329的延伸方向可以不同，具體地，所述第二導電層330的複數觸控電極339的延伸方向與第一導電層的320的複數觸控電極329的延伸方向可以垂直。 The structures of the first conductive layer 320 and the conductive layer 220 in the second embodiment are basically the same, and details are not described herein again. The structures of the second conductive layer 330 and the conductive layer 220 of the second embodiment are also basically the same, but the extending direction of the plurality of touch electrodes 339 of the second conductive layer 330 is the same as that of the first conductive layer 320. The extension direction of the control electrode 329 may be different. Specifically, the extension direction of the plurality of touch electrodes 339 of the second conductive layer 330 and the extension direction of the plurality of touch electrodes 329 of the first conductive layer 320 may be perpendicular.
進一步地，所述觸控薄膜300也可以包括第一保護層與第二保護層，所述第一保護層可以形成於所述第一導電層320遠離所述承載基體310的表面，所述第二保護層可以形成於所述第二導電層330遠離所述承載基體310的表面，且所述第一保護層與所述第二保護層可以均為透明樹脂材料。其中，所述觸控薄膜300可以直接應用於一觸控面板中，進而所述觸控面板藉由所述延伸方向不同的複數觸控電極偵測施加到所述觸控面板的觸控動作的位置。 Further, the touch film 300 may also include a first protective layer and a second protective layer. The first protective layer may be formed on a surface of the first conductive layer 320 away from the carrier substrate 310. The first Two protective layers may be formed on the surface of the second conductive layer 330 away from the carrier substrate 310, and the first protective layer and the second protective layer may both be transparent resin materials. Wherein, the touch film 300 can be directly applied to a touch panel, and the touch panel detects a touch action applied to the touch panel by the plurality of touch electrodes having different extending directions. position.
請參閱圖12，圖12是本發明第一實施方式之觸控面板400的結構示意圖。所述觸控面板400包括基板430、第一觸控薄膜410及第二觸控薄膜420。 Please refer to FIG. 12, which is a schematic structural diagram of a touch panel 400 according to a first embodiment of the present invention. The touch panel 400 includes a substrate 430, a first touch film 410 and a second touch film 420.
所述第一觸控薄膜410可以藉由第一膠體層401粘接於所述基板430的表面上，所述第二觸控薄膜420可以藉由第二膠體層402粘接於所述第一觸控薄膜410遠離所述基板430的表面。所述第一觸控薄膜410與所述第二觸控薄膜420均可以採用第二實施方式中的觸控薄膜200，且所述第一觸控薄膜410的導電層的複數觸控電極的延伸方向與所述第二觸控薄膜420的導電層的複數觸控電極的延伸方向可以不同，具體地，所述第一觸控薄膜410的導電層的複數觸控電極的延伸方向與所述第二觸控薄膜420的導電層的複數觸控電極的延伸方向可以垂直。其中，所述觸控面板400藉由所述延伸方向不同的複數觸控電極偵測施加到所述觸控面板400的觸控動作的位置。 The first touch film 410 may be adhered to the surface of the substrate 430 through a first colloid layer 401, and the second touch film 420 may be adhered to the first through a second colloid layer 402. The touch film 410 is far from the surface of the substrate 430. Both the first touch film 410 and the second touch film 420 may use the touch film 200 in the second embodiment, and the plurality of touch electrodes of the conductive layer of the first touch film 410 are extended. The direction and the extending direction of the plurality of touch electrodes of the conductive layer of the second touch film 420 may be different. Specifically, the extending direction of the plurality of touch electrodes of the conductive layer of the first touch film 410 is different from that of the first touch film. The extending directions of the plurality of touch electrodes of the conductive layers of the two touch films 420 may be vertical. Wherein, the touch panel 400 detects a position of a touch action applied to the touch panel 400 through the plurality of touch electrodes having different extending directions.
請參閱圖13，圖13是本發明第二實施方式之觸控面板500的結構示意圖。所述觸控面板500包括基板530、第一觸控薄膜510及第二觸控薄膜520。 Please refer to FIG. 13, which is a schematic structural diagram of a touch panel 500 according to a second embodiment of the present invention. The touch panel 500 includes a substrate 530, a first touch film 510, and a second touch film 520.
所述第一觸控薄膜510可以藉由第一膠體層501粘接於所述基板530的第一表面上，所述第二觸控薄膜520可以藉由第二膠體層502粘接於所述基板530遠離所述第一觸控薄膜510的第二表面上。所述第一觸控薄膜510與所述第二觸控薄膜520均可以採用第二實施方式中的觸控薄膜200，且所述第一觸控薄膜510的導電層的複數觸控電極的延伸方向與所述第二觸控薄膜520的導電層的複數觸控電極的延伸方向可以不同，具體地，所述第一觸控薄膜510的導電層的複數觸控電極的延伸方向與所述第二觸控薄膜520的導電層的複數觸控電極的延伸方向可以垂直。其中，所述觸控面板500 藉由所述延伸方向不同的複數觸控電極偵測施加到所述觸控面板500的觸控動作的位置。 The first touch film 510 may be adhered to the first surface of the substrate 530 through a first colloid layer 501, and the second touch film 520 may be adhered to the first surface through a second colloid layer 502. The substrate 530 is far from the second surface of the first touch film 510. Both the first touch film 510 and the second touch film 520 may use the touch film 200 in the second embodiment, and the plurality of touch electrodes of the conductive layer of the first touch film 510 are extended. The direction may be different from the extending direction of the plurality of touch electrodes of the conductive layer of the second touch film 520. Specifically, the extending direction of the plurality of touch electrodes of the conductive layer of the first touch film 510 is different from that of the first touch film. The extending direction of the plurality of touch electrodes of the conductive layers of the two touch films 520 may be vertical. Wherein, the touch panel 500 A position of a touch action applied to the touch panel 500 is detected by the plurality of touch electrodes having different extending directions.
可以理解，在圖12與圖13所示的觸控面板400、500的一種變更實施方式中，所述第一觸控薄膜410、510及第二觸控薄膜420、520可以其中一個觸控薄膜採用第二實施方式中的觸控薄膜200，另外一個觸控薄膜採用具有複數透明導電材料的觸控電極的觸控薄膜，但所述觸控面板400、500的兩個觸控薄膜的複數觸控電極的延伸方向可以不同(如相互垂直)，從而所述觸控面板400、500藉由所述延伸方向不同的複數觸控電極偵測施加到所述觸控面板400、500的觸控動作的位置。 It can be understood that, in a modified embodiment of the touch panels 400 and 500 shown in FIGS. 12 and 13, the first touch films 410 and 510 and the second touch films 420 and 520 may be one of the touch films. The touch film 200 in the second embodiment is adopted, and the other touch film is a touch film with a plurality of transparent conductive material touch electrodes, but the plurality of touch films of the touch panels 400 and 500 have a plurality of touch films. The extension directions of the control electrodes may be different (such as perpendicular to each other), so that the touch panels 400 and 500 detect touch actions applied to the touch panels 400 and 500 through the plurality of touch electrodes having different extension directions. s position.
相較於習知技術，本發明觸控薄膜100、200、300及觸控面板400、500中，所述複數節點123、223中的至少部分節點123、223的連接部125、225具有開口126、226，避免所述節點123、223處的連接部125、225尺寸過大，進而可以降低所述節點123、223的可視性，提高的目視效果。 Compared with the conventional technology, in the touch films 100, 200, 300 and the touch panels 400, 500 of the present invention, at least a part of the nodes 123, 223 of the plurality of nodes 123, 223 has a connection portion 125, 225 with an opening 126 , 226, avoiding that the sizes of the connecting portions 125, 225 at the nodes 123, 223 are too large, thereby reducing the visibility of the nodes 123, 223 and improving the visual effect.
當然，本發明並不局限於上述公開的實施例，本發明還可以是對上述實施例進行各種變更。本技術領域人員可以理解，只要在本發明的實質精神範圍之內，對以上實施例所作的適當改變和變化都落在本發明要求保護的範圍之內。 Of course, the present invention is not limited to the above-disclosed embodiments, and the present invention may also be variously modified to the above-mentioned embodiments. Those skilled in the art can understand that, as long as it is within the scope of the essential spirit of the present invention, appropriate changes and modifications made to the above embodiments fall within the scope of protection of the present invention.
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| CN112513797A (en) * | 2018-07-17 | 2021-03-16 | 深圳市柔宇科技股份有限公司 | Conductive film, preparation method thereof, touch panel and display device |
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2017
- 2017-07-25 CN CN201710613320.8A patent/CN107390965A/en active Pending
- 2017-08-11 TW TW106127392A patent/TWI650686B/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201423534A (en) * | 2012-12-07 | 2014-06-16 | Wintek Corp | Touch panel |
| TW201432799A (en) * | 2013-02-05 | 2014-08-16 | Nanchang O Film Tech Co Ltd | Patterned transparent conductive film |
| US20160093644A1 (en) * | 2014-09-30 | 2016-03-31 | Lg Display Co., Ltd. | Flexible display device with divided power lines and manufacturing method for the same |
| CN204440346U (en) * | 2014-12-29 | 2015-07-01 | 京东方科技集团股份有限公司 | Touch base plate and contactor control device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201908940A (en) | 2019-03-01 |
| CN107390965A (en) | 2017-11-24 |
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| MM4A | Annulment or lapse of patent due to non-payment of fees |