TWI668613B - Touch sensing module - Google Patents
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- TWI668613B TWI668613B TW107121612A TW107121612A TWI668613B TW I668613 B TWI668613 B TW I668613B TW 107121612 A TW107121612 A TW 107121612A TW 107121612 A TW107121612 A TW 107121612A TW I668613 B TWI668613 B TW I668613B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
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Abstract
一種觸控感測模組,包括:一第一觸控電極層,該第一觸控電極層包括:多條相互絕緣的第一觸控通道,每個第一觸控通道由金屬網格構成,每個所述金屬網格由多條金屬線交錯形成;至少一第一邊界線,由導電材料形成,每一第一邊界線沿一條第一觸控通道的延伸方向設置,且與該第一觸控通道電性連接,第一觸控通道靠近該第一邊界線一側的金屬網格的頂點位於該第一邊界線上;以及多條輔助線,包括第一端和遠離第一端的第二端,每條輔助線的第一端與一第一邊界線電性連接,第二端與該第一端相鄰的一個金屬網格電性連接。 A touch sensing module includes a first touch electrode layer. The first touch electrode layer includes a plurality of first touch channels insulated from each other, and each first touch channel is formed of a metal grid. Each of the metal grids is formed by staggering a plurality of metal lines; at least one first boundary line is formed of a conductive material, and each first boundary line is disposed along an extension direction of a first touch channel, and is A touch channel is electrically connected, and a vertex of a metal grid on a side of the first touch channel near the first boundary line is located on the first boundary line; and a plurality of auxiliary lines including a first end and a distance from the first end At the second end, the first end of each auxiliary line is electrically connected to a first boundary line, and the second end is electrically connected to a metal grid adjacent to the first end.
Description
本發明涉及一種觸控感測模組,尤其涉及一種應用金屬網格(Metal Mesh)的觸控感測模組。 The present invention relates to a touch sensing module, and more particularly to a touch sensing module using a metal mesh.
觸控感測作為一種簡單的人機對話模式而廣泛的應用於各種電子設備中,如手機,IPAD等,尤其係電容式觸控感測,其在絕緣材料上下表面分別貼上一層金屬導電物質,當有導電物體(手指)觸碰時,人體的電流感應會進行工作,使得表面觸電處的表面電容改變,因此可以計測出觸摸點的位置,並且由於電容式觸控式螢幕反應靈敏而受到越來越多人的青睞。目前,絕緣材料上的金屬導電物質多採用金屬網格,該金屬網格由間隔設置的複數金屬網格塊構成,每個金屬網格塊均由多條金屬線,金屬網格(Metal Mesh)技術由於成本低、導電性能良好而備受青睞。 Touch sensing is widely used in various electronic devices as a simple human-computer dialogue mode, such as mobile phones, IPAD, etc., especially capacitive touch sensing, which is covered with a layer of metal conductive material on the upper and lower surfaces of the insulating material. When a conductive object (finger) touches, the current sensing of the human body will work, so that the surface capacitance at the surface of the electric shock changes, so the position of the touch point can be measured, and it is affected by the sensitive response of the capacitive touch screen. More and more people are favoring it. At present, metal conductive materials on insulating materials mostly use metal grids. The metal grid is composed of a plurality of metal grid blocks arranged at intervals, and each metal grid block is composed of multiple metal wires, metal meshes. Technology is popular because of its low cost and good electrical conductivity.
如圖6所示,係一種觸控感測模組6的局部放大示意圖。觸控感測模組6包括設置於顯示區AA的若干主觸控通道622以及設置於顯示區AA靠近非顯示區NA邊緣的邊緣觸控通道621,邊緣觸控通道621由單個金屬網格沿邊緣觸控通道621的延伸方向重複排列形成,對應的,沿垂直於邊緣觸控通道62延伸方向的任何區域僅存在一個金屬連接點620。可以理解的,一個金屬連接點620由兩條金屬線相交形成,當其中一條斷開時,僅剩一條金屬線使得整個邊緣觸控通道無法正常工作。 As shown in FIG. 6, it is a partially enlarged schematic diagram of a touch sensing module 6. The touch sensing module 6 includes a plurality of main touch channels 622 provided in the display area AA and an edge touch channel 621 provided in the display area AA near the edge of the non-display area NA. The edge touch channel 621 is formed by a single metal grid. The extending direction of the edge touch channel 621 is repeatedly arranged. Correspondingly, there is only one metal connection point 620 in any area perpendicular to the extending direction of the edge touch channel 62. It can be understood that one metal connection point 620 is formed by the intersection of two metal lines. When one of them is disconnected, only one metal line is left, so that the entire edge touch channel cannot work normally.
一種觸控感測模組,包括:一第一觸控電極層,該第一觸控電極層包括:多條相互絕緣的第一觸控通道,每個第一觸控通道由金屬網格構成,每個所述金屬網格由多條金屬線交錯形成;至少一第一邊界線,由導電材料形成,每一第一邊界線沿一條第一觸控通道的延伸方向設置,且與該第一觸控通道電性連接,第一觸控通道靠近該第一邊界線一側的金屬網格的頂點位於該第一邊界線上;以及多條輔助線,包括第一端和遠離第一端的第二端,每條輔助線的第一端與一第一邊界線電性連接,第二端與該第一端相鄰的一個金屬網格電性連接。 A touch sensing module includes a first touch electrode layer. The first touch electrode layer includes a plurality of first touch channels insulated from each other, and each first touch channel is formed of a metal grid. Each of the metal grids is formed by staggering a plurality of metal lines; at least one first boundary line is formed of a conductive material, and each first boundary line is disposed along an extension direction of a first touch channel, and is A touch channel is electrically connected, and a vertex of a metal grid on a side of the first touch channel near the first boundary line is located on the first boundary line; and a plurality of auxiliary lines including a first end and a distance from the first end At the second end, the first end of each auxiliary line is electrically connected to a first boundary line, and the second end is electrically connected to a metal grid adjacent to the first end.
相較於習知的觸控感測模組,本發明所提供的觸控感測模組出現信號短路的概率較低,更耐用。 Compared with the conventional touch sensing module, the touch sensing module provided by the present invention has a lower probability of signal short circuit and is more durable.
1、6‧‧‧觸控感測模組 1, 6‧‧‧ touch sensing module
11‧‧‧基板 11‧‧‧ substrate
12‧‧‧第一觸控電極層 12‧‧‧first touch electrode layer
13‧‧‧第二觸控電極層 13‧‧‧Second touch electrode layer
15‧‧‧光學膠 15‧‧‧Optical glue
X‧‧‧第一方向 X‧‧‧ first direction
Y‧‧‧第二方向 Y‧‧‧ second direction
AA‧‧‧顯示區域 AA‧‧‧display area
NA‧‧‧非顯示區域 NA‧‧‧Non-display area
120‧‧‧第一觸控通道 120‧‧‧first touch channel
121‧‧‧第一邊緣觸控通道 121‧‧‧First edge touch channel
122‧‧‧第一主觸控通道 122‧‧‧The first main touch channel
123‧‧‧輔助線 123‧‧‧Auxiliary line
124‧‧‧第二邊界線 124‧‧‧ Second boundary
125‧‧‧第一邊界線 125‧‧‧ first boundary
126‧‧‧第二連接點 126‧‧‧Second connection point
128‧‧‧第一連接點 128‧‧‧ the first connection point
130‧‧‧第二觸控通道 130‧‧‧Second Touch Channel
131‧‧‧第二邊緣觸控通道 131‧‧‧Second edge touch channel
132‧‧‧第二主觸控通道 132‧‧‧Second main touch channel
134‧‧‧第四邊界線 134‧‧‧ Fourth border line
135‧‧‧第三邊界線 135‧‧‧ Third border line
621‧‧‧邊緣觸控通道 621‧‧‧Edge touch channel
622‧‧‧主觸控通道 622‧‧‧Main Touch Channel
620‧‧‧金屬連接點 620‧‧‧metal connection point
圖1為本發明的觸控感測模組的截面示意圖。 FIG. 1 is a schematic cross-sectional view of a touch sensing module according to the present invention.
圖2為本發明的觸控感測模組的第一觸控電極層的平面示意圖。 FIG. 2 is a schematic plan view of a first touch electrode layer of the touch sensing module of the present invention.
圖3為圖2的第一觸控電極層的局部放大示意圖。 FIG. 3 is a partially enlarged schematic diagram of the first touch electrode layer of FIG. 2.
圖4為本發明的觸控感測模組的第二觸控電極層的平面示意圖。 FIG. 4 is a schematic plan view of a second touch electrode layer of the touch sensing module of the present invention.
圖5為圖4的第二觸控電極層的局部放大示意圖。 FIG. 5 is a partially enlarged schematic diagram of the second touch electrode layer of FIG. 4.
圖6為習知結構的觸控感測模組的局部放大示意圖。 FIG. 6 is a partially enlarged schematic diagram of a touch sensing module with a conventional structure.
附圖中示出了本發明的實施例,本發明可以藉由多種不同形式實現,而並不應解釋為僅局限於這裡所闡述的實施例。相反,提供該等實施例係 為了使本發明更為全面和完整的公開,並使本領域的技術人員更充分地瞭解本發明的範圍。為了清晰可見,在圖中,層和區域的尺寸被放大了。 The drawings show embodiments of the present invention, and the present invention can be implemented in many different forms, and should not be construed as being limited to the embodiments set forth herein. Instead, the embodiments are provided In order to make the present disclosure more comprehensive and complete, and to enable those skilled in the art to more fully understand the scope of the present invention. For clarity, the dimensions of layers and regions have been exaggerated in the figure.
可以理解,儘管第一、第二等該等術語可以在這裡使用來描述各種元件、元件、區域、層和/或部分,然該等元件、元件、區域、層和/或部分不應僅限於該等術語。該等術語只係被用來區分元件、元件、區域、層和/或部分與另外的元件、元件、區域、層和/或部分。因此,只要不脫離本發明的教導,下面所討論的第一部分、元件、區域、層和/或部分可以被稱為第二元件、元件、區域、層和/或部分。 It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, elements, regions, layers and / or sections, such elements, elements, regions, layers and / or sections should not be limited to Those terms. These terms are only used to distinguish one element, element, region, layer and / or part from another element, element, region, layer and / or part. Accordingly, the first part, element, region, layer, and / or part discussed below can be referred to as the second element, element, region, layer, and / or part without departing from the teachings of the present invention.
這裡所用的專有名詞僅用於描述特定的實施例而並非意圖限定本發明。如這裡所用的,單數形式「一」、「一個」和「該」也意圖涵蓋複數形式,除非上下文清楚指明係其它情況。還應該理解,當在說明書中使用術語「包含」、「包括」時,指明了所述特徵、整體、步驟、操作、元件和/或部件的存在,然不排除一個或複數其它特徵、整體、步驟、操作、元件和/或部件的存在。 The proper nouns used herein are only used to describe specific embodiments and are not intended to limit the present invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that when the terms "comprising" and "including" are used in the specification, the presence of stated features, integers, steps, operations, elements and / or components is indicated, but one or more other features, integers, The presence of steps, operations, elements and / or components.
這裡參考剖面圖描述本發明的實施例,該等剖面圖係本發明理想化的實施例(和中間構造)的示意圖。因而,由於製造工藝和/或公差而導致的圖示的形狀不同係可以預見的。因此,本發明的實施例不應解釋為限於這裡圖示的區域的特定形狀,而應包括例如由於製造而產生的形狀的偏差。圖中所示的區域本身僅係示意性的,它們的形狀並非用於圖示裝置的實際形狀,並且並非用於限制本發明的範圍。 Embodiments of the present invention are described here with reference to cross-sectional views, which are schematic diagrams of idealized embodiments (and intermediate structures) of the present invention. Thus, variations in the shapes of the illustrations as a result of manufacturing processes and / or tolerances are to be expected. Therefore, the embodiments of the present invention should not be interpreted as being limited to the specific shape of the region illustrated here, but should include deviations in the shape due to, for example, manufacturing. The regions shown in the figures are only schematic, and their shapes are not intended to illustrate the actual shape of the device, and are not intended to limit the scope of the invention.
除非另外定義,這裡所使用的所有術語(包括技術和科學術語)具有與本發明所述領域的常規技術者所通常理解的含義相同的含義。還應當理解,比如在通用的辭典中所定義的那些的術語,應解釋為具有與它們在相關領域的環境中的含義相一致的含義,而不應以過度理想化或過度正式的含義來解釋,除非在本文中明確地定義。 Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be understood that terms such as those defined in the general dictionary should be interpreted to have meanings consistent with their meaning in the context of the relevant field, and should not be interpreted in an overideal or overly formal sense Unless explicitly defined in this article.
下面參照附圖,對本發明的具體實施方式作進一步的詳細描述。 Hereinafter, specific embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
請參閱圖1,圖1為本發明的觸控感測模組的截面示意圖。本發明的觸控感測模組1包括絕緣的基板11,以及設置於基板11相對兩側的第一觸控電極層12和第二觸控電極層13,第二觸控電極層13與第一觸控電極層12絕緣間隔設置。 Please refer to FIG. 1, which is a schematic cross-sectional view of a touch sensing module of the present invention. The touch sensing module 1 of the present invention includes an insulating substrate 11, and a first touch electrode layer 12 and a second touch electrode layer 13 provided on opposite sides of the substrate 11. The second touch electrode layer 13 and the first A touch electrode layer 12 is disposed at an insulating interval.
所述基板11可以為柔性材料或非柔性材料,在本實施例中,基板11為柔性材料,其具有可撓性,使所述觸控感測模組1可以適用於曲面顯示裝置或者柔性顯示裝置。於一實施例中,所述基板11的材料可以為有機物,如聚醯亞胺(Polyimide,PI)、聚萘二甲酸乙二醇酯(Polyethylene naphthalate two formic acid glycol ester,PEN)或聚對苯二甲酸乙二醇酯(polyethylene glycol terephthalate,PET)。在一實施例中,基板11可為非柔性材料,其具備一定的剛性,基板11可以為二氧化矽(SiO2)或聚碳酸酯(Polycarbonate,PC)。 The substrate 11 may be a flexible material or a non-flexible material. In this embodiment, the substrate 11 is a flexible material and has flexibility, so that the touch sensing module 1 can be applied to a curved display device or a flexible display. Device. In an embodiment, the material of the substrate 11 may be an organic substance, such as polyimide (PI), polyethylene naphthalate two formic acid glycol ester (PEN), or polyethylene terephthalate. Polyethylene glycol terephthalate (PET). In one embodiment, the substrate 11 may be a non-flexible material, which has a certain rigidity, and the substrate 11 may be silicon dioxide (SiO2) or polycarbonate (Polycarbonate, PC).
所述第一基板11一表面定義有顯示區AA及非顯示區NA,所述顯示區AA位於中央區域,所述非顯示區NA圍繞顯示區AA。所述第一觸控電極層12和所述第二觸控電極層13對應顯示區AA設置,使用者在顯示區AA所對應的區域進行操作,所述第一觸控電極層12和所述第二觸控電極層13相互配合構成一互容式的觸控感測結構以感測使用者的觸摸操作。 A display area AA and a non-display area NA are defined on a surface of the first substrate 11, the display area AA is located in a central area, and the non-display area NA surrounds the display area AA. The first touch electrode layer 12 and the second touch electrode layer 13 are disposed corresponding to the display area AA, and a user operates in an area corresponding to the display area AA. The first touch electrode layer 12 and the The second touch electrode layer 13 cooperates with each other to form a mutual-capacitive touch sensing structure to sense a user's touch operation.
請參一併考圖2及圖3,圖2為本發明的觸控感測模組1的第一觸控電極層12的平面示意圖,圖3為圖2的第一觸控電極層12的局部放大示意圖。所述第一觸控電極層12包括多條相互絕緣的第一觸控通道120及至少一第一邊界線125。每個第一觸控通道120由金屬網格(Metal Mesh)構成,每個所述金屬網格由多條金屬線兩兩相交形成。第一邊界線125由導電材料形成,每一第一邊界線125沿一條第一觸控通道120的延伸方向設置,且與該第一觸控通道120電性連 接,第一觸控通道120靠近該第一邊界線125一側的金屬網格的頂點位於該第一邊界線125上。 Please refer to FIG. 2 and FIG. 3 together. FIG. 2 is a schematic plan view of the first touch electrode layer 12 of the touch sensing module 1 of the present invention, and FIG. 3 is a schematic diagram of the first touch electrode layer 12 of FIG. 2. Partially enlarged schematic diagram. The first touch electrode layer 12 includes a plurality of mutually isolated first touch channels 120 and at least one first boundary line 125. Each first touch channel 120 is composed of a metal mesh, and each of the metal meshes is formed by a plurality of metal lines intersecting each other. The first boundary lines 125 are formed of a conductive material. Each first boundary line 125 is disposed along an extending direction of a first touch channel 120 and is electrically connected to the first touch channel 120. Then, the vertex of the metal grid on the side of the first touch channel 120 near the first boundary line 125 is located on the first boundary line 125.
第一觸控通道120包括複數位於顯示區AA的第一主觸控通道122和位於顯示區AA邊緣且靠近非顯示區NA的至少一第一邊緣觸控通道121,所述第一主觸控通道122及第一邊緣觸控通道121沿第一方向X相互間隔平行排布。 The first touch channel 120 includes a plurality of first main touch channels 122 located in the display area AA and at least one first edge touch channel 121 located at an edge of the display area AA and close to the non-display area NA. The channels 122 and the first edge touch channels 121 are arranged parallel to each other along the first direction X.
請參考圖3,所述第一觸控電極層12包含複數由多條金屬線兩兩相交形成的金屬網格,任意相鄰的兩個金屬網格連接的連接點定義為第一連接點128。 Referring to FIG. 3, the first touch electrode layer 12 includes a plurality of metal grids formed by intersecting a plurality of metal lines. A connection point between any two adjacent metal grids is defined as a first connection point 128. .
第一觸控通道120還包括至少一第一主觸控通道122及至少一第二邊界線124,每一第二邊界線124與一條第一主觸控通道122電性連接或者與一條第一邊緣觸控通道121電性連接。 The first touch channel 120 further includes at least a first main touch channel 122 and at least a second boundary line 124. Each second boundary line 124 is electrically connected to a first main touch channel 122 or a first The edge touch channel 121 is electrically connected.
於一實施例中,第一觸控通道120包括位於顯示區AA的多條第一主觸控通道122,以及位於顯示區AA邊緣且靠近非顯示區NA的至少一條第一邊緣觸控通道121;在其他實施例中,第一邊緣觸控通道121的數量可以為兩條或者大於兩條。於一實施例中,每一第一主觸控通道122沿其延伸方向(第一方向X)的兩側各設置有一條第二邊界線124,第二邊界線124與第一主觸控通道122保持電性連接;在其他實施例中,每一第一主觸控通道122沿其延伸方向的兩側的其中一側設置一與其電性連接的第二邊界線124,或每一第一主觸控通道122沿其延伸方向的兩側不設置有第二邊界線124,或每一第一主觸控通道122的至少部分與第一邊界線125電性連接。於一實施例中,每一第一邊緣觸控通道121沿其延伸方向兩側設置有一條第一邊界線125及一條第二邊界線124,在其他實施例中,每一第一邊緣觸控通道121沿其延伸方向兩側分別設置有兩條第一邊界線125。於一實施例中,第一邊緣觸控通道121靠近第一邊界線125一側的金屬網 格的頂點位於第一邊界線125上,第一邊緣觸控通道121內沿垂直於其延伸方向(垂直於第一方向X的第二方向Y)上僅有一個第一連接點128。 In one embodiment, the first touch channel 120 includes a plurality of first main touch channels 122 located in the display area AA, and at least one first edge touch channel 121 located at the edge of the display area AA and close to the non-display area NA. In other embodiments, the number of the first edge touch channels 121 may be two or more. In an embodiment, a second boundary line 124 is provided on each side of each first main touch channel 122 along its extension direction (first direction X). The second boundary line 124 and the first main touch channel 122 maintains an electrical connection; in other embodiments, one of two sides of each first main touch channel 122 along its extending direction is provided with a second boundary line 124 electrically connected thereto, or each first There are no second boundary lines 124 on both sides of the main touch channel 122 along the extending direction, or at least part of each first main touch channel 122 is electrically connected to the first boundary line 125. In one embodiment, each first edge touch channel 121 is provided with a first boundary line 125 and a second boundary line 124 along both sides of the extending direction. In other embodiments, each first edge touch channel The channel 121 is provided with two first boundary lines 125 on both sides along the extending direction thereof. In an embodiment, the metal mesh on the side of the first edge touch channel 121 near the first boundary line 125 The vertex of the grid is located on the first boundary line 125, and there is only one first connection point 128 in the first edge touch channel 121 in a direction perpendicular to its extension direction (a second direction Y perpendicular to the first direction X).
第一觸控電極層12還包括多條輔助線123,每條輔助線123包括第一端和遠離第一端的第二端,每條輔助線123的第一端與一第一邊界線125電性連接,第二端與該第一端相鄰的一個金屬網格電性連接,第一邊界線125及輔助線123的相較於第二邊界線124更粗。於一實施例中,輔助線123設置於第一邊緣觸控通道121中,每條輔助線123的第一端與一第一邊界線125電性連接,第二端與該第一端相鄰的一個金屬網格電性連接,具體為第二端與一金屬線連接,該連接點為第二連接點126。且,分別與任意相鄰的兩條輔助線123的第二端連接的兩條金屬線不相交,相交於每個第一連接點128的兩條金屬線的其中一條上還存在一第二連接點126。 The first touch electrode layer 12 further includes a plurality of auxiliary lines 123. Each auxiliary line 123 includes a first end and a second end far from the first end. The first end of each auxiliary line 123 and a first boundary line 125. The second end is electrically connected to a metal grid adjacent to the first end. The first boundary line 125 and the auxiliary line 123 are thicker than the second boundary line 124. In one embodiment, the auxiliary line 123 is disposed in the first edge touch channel 121. A first end of each auxiliary line 123 is electrically connected to a first boundary line 125, and a second end is adjacent to the first end. A metal grid is electrically connected, specifically, the second end is connected to a metal wire, and the connection point is a second connection point 126. Moreover, the two metal lines connected to the second ends of any two adjacent auxiliary lines 123 respectively do not intersect, and there is also a second connection on one of the two metal lines intersecting at each of the first connection points 128. Point 126.
於一實施例中,所述第一觸控電極層12可以為金屬,例如鋁(Al)、銀(Ag)、金(Au)、鈷(Co)、鉻(Cr)、銅(Cu)、銦(In)、錳(Mn)、鉬(Mo)、鎳(Ni)、釹(Nd)、(pd)鈀、鉑(Pt)、鈦(Ti)、鎢(W)、和鋅(Zn)中的至少一種,然不限於此,在本實施例中,所述第一觸控電極層12為銅。 In one embodiment, the first touch electrode layer 12 may be a metal, such as aluminum (Al), silver (Ag), gold (Au), cobalt (Co), chromium (Cr), copper (Cu), Indium (In), manganese (Mn), molybdenum (Mo), nickel (Ni), neodymium (Nd), (pd) palladium, platinum (Pt), titanium (Ti), tungsten (W), and zinc (Zn) At least one of them is not limited thereto. In this embodiment, the first touch electrode layer 12 is copper.
請參閱圖4,圖4為本發明的觸控感測模組的第二觸控電極層13的平面示意圖。所述第二觸控電極層13包括複數相互絕緣的第二觸控通道130,第二觸控電極層13包括多條相互絕緣的第二觸控通道130,第二觸控通道130的延伸方向與第一觸控通道120的延伸方向垂直。 Please refer to FIG. 4, which is a schematic plan view of the second touch electrode layer 13 of the touch sensing module of the present invention. The second touch electrode layer 13 includes a plurality of second touch channels 130 that are insulated from each other. The second touch electrode layer 13 includes a plurality of second touch channels 130 that are insulated from each other. It is perpendicular to the extending direction of the first touch channel 120.
所述第二觸控電極層13包括多條相互絕緣的第二觸控通道130及至少一第三邊界線135。每個第二觸控通道130由金屬網格(Metal Mesh)構成,每個所述金屬網格由多條金屬線兩兩相交形成。第三邊界線135由導電材料形成,每一第三邊界線135沿一條第二觸控通道130的延伸方向設置,且與該第二觸控 通道130電性連接,第二觸控通道130靠近該第三邊界線135一側的金屬網格的頂點位於該第三邊界線135上。 The second touch electrode layer 13 includes a plurality of insulated second touch channels 130 and at least one third boundary line 135. Each second touch channel 130 is composed of a metal mesh, and each of the metal meshes is formed by a plurality of metal lines crossing each other. The third boundary lines 135 are formed of a conductive material, and each third boundary line 135 is disposed along an extension direction of a second touch channel 130 and is in contact with the second touch channel. The channel 130 is electrically connected, and the vertex of the metal grid on the side of the second touch channel 130 near the third boundary line 135 is located on the third boundary line 135.
第二觸控通道130包括複數位於顯示區AA的第二主觸控通道132和位於顯示區AA邊緣且靠近非顯示區NA的至少一第二邊緣觸控通道131,所述第二主觸控通道132及第二邊緣觸控通道131沿第二方向Y相互間隔平行排布。 The second touch channel 130 includes a plurality of second main touch channels 132 located in the display area AA and at least one second edge touch channel 131 located at the edge of the display area AA and close to the non-display area NA. The channels 132 and the second edge touch channels 131 are arranged in parallel with each other along the second direction Y.
請參考圖5,圖5為圖4的第二觸控電極層13的局部放大示意圖,所述第二觸控電極層13包含複數由多條金屬線兩兩相交形成的金屬網格,任意相鄰的兩個金屬網格連接的連接點為第一連接點128。 Please refer to FIG. 5. FIG. 5 is a partially enlarged schematic diagram of the second touch electrode layer 13 of FIG. 4. The second touch electrode layer 13 includes a plurality of metal grids formed by intersecting a plurality of metal lines. The connection point connected by two adjacent metal grids is the first connection point 128.
第二觸控通道130還包括至少一第二主觸控通道132及至少一第四邊界線134,每一第四邊界線134與一條第二主觸控通道132電性連接或者與一條第二邊緣觸控通道131電性連接。 The second touch channel 130 further includes at least a second main touch channel 132 and at least a fourth boundary line 134. Each fourth boundary line 134 is electrically connected to a second main touch channel 132 or a second The edge touch channel 131 is electrically connected.
於一實施例中,第二觸控通道130包括位於顯示區AA的多條第二主觸控通道132,以及位於顯示區AA邊緣且靠近非顯示區NA的至少一條第二邊緣觸控通道131;在其他實施例中,第二邊緣觸控通道131的數量可以為兩條或者大於兩條。於一實施例中,每一第二主觸控通道132沿其延伸方向(第二方向Y)的兩側各設置有一條第四邊界線134,第四邊界線134與第二主觸控通道132保持電性連接;在其他實施例中,每一第二主觸控通道132沿其延伸方向的兩側的其中一側設置一與其電性連接的第四邊界線134,或每一第二主觸控通道132沿其延伸方向的兩側不設置有第四邊界線134。於一實施例中,每一第二邊緣觸控通道131沿其延伸方向兩側設置有一條第三邊界線135及一條第四邊界線134,在其他實施例中,每一第二邊緣觸控通道131沿其延伸方向兩側分別設置有兩條第三邊界線135。於一實施例中,第二邊緣觸控通道131靠近第三邊界線135一側的金屬網格的頂點位於第三邊界線135上,第二邊緣觸控通道131內沿垂直於其延伸方向(垂直於第二方向Y的第一方向X)上僅有一個第一連接點128。 In one embodiment, the second touch channel 130 includes a plurality of second main touch channels 132 located in the display area AA, and at least one second edge touch channel 131 located at the edge of the display area AA and close to the non-display area NA. In other embodiments, the number of the second edge touch channels 131 may be two or more. In an embodiment, a fourth boundary line 134 is provided on each side of each second main touch channel 132 along its extension direction (second direction Y). The fourth boundary line 134 and the second main touch channel 132 maintains an electrical connection; in other embodiments, one of two sides of each of the second main touch channels 132 along the extending direction is provided with a fourth boundary line 134 electrically connected thereto, or each second A fourth boundary line 134 is not provided on both sides of the main touch channel 132 along its extending direction. In one embodiment, each second edge touch channel 131 is provided with a third boundary line 135 and a fourth boundary line 134 along both sides of the extending direction. In other embodiments, each second edge touch channel The channel 131 is provided with two third boundary lines 135 on both sides along the extending direction thereof. In an embodiment, the vertex of the metal grid on the side of the second edge touch channel 131 near the third boundary line 135 is located on the third boundary line 135, and the inner edge of the second edge touch channel 131 is perpendicular to the extending direction ( There is only one first connection point 128 in a first direction X) perpendicular to the second direction Y.
第二觸控電極層13還設置有多條輔助線123,每條輔助線123包括第一端和遠離第一端的第二端,每條輔助線123的第一端與一第三邊界線135電性連接,第二端與該第一端相鄰的一個金屬網格電性連接,第三邊界線135及輔助線123的相較於第四邊界線134更粗。於一實施例中,輔助線123設置於第二邊緣觸控通道131中,每條輔助線123的第一端與一第三邊界線135電性連接,第二端與該第一端相鄰的一個金屬網格電性連接,具體為第二端與一金屬線連接,該連接點為第二連接點126。且,分別與任意相鄰的兩條輔助線123的第二端連接的兩條金屬線不相交,相交於每個第一連接點128的兩條金屬線的其中一條上還存在一第二連接點126。 The second touch electrode layer 13 is also provided with a plurality of auxiliary lines 123. Each auxiliary line 123 includes a first end and a second end far from the first end. The first end of each auxiliary line 123 and a third boundary line. 135 is electrically connected, the second end is electrically connected to a metal grid adjacent to the first end, and the third boundary line 135 and the auxiliary line 123 are thicker than the fourth boundary line 134. In one embodiment, the auxiliary line 123 is disposed in the second edge touch channel 131. The first end of each auxiliary line 123 is electrically connected to a third boundary line 135, and the second end is adjacent to the first end. A metal grid is electrically connected, specifically, the second end is connected to a metal wire, and the connection point is a second connection point 126. Moreover, the two metal lines connected to the second ends of any two adjacent auxiliary lines 123 respectively do not intersect, and there is also a second connection on one of the two metal lines intersecting at each of the first connection points 128. Point 126.
所述第二觸控電極層13可以為金屬,例如鋁(Al)、銀(Ag)、金(Au)、鈷(Co)、鉻(Cr)、銅(Cu)、銦(In)、錳(Mn)、鉬(Mo)、鎳(Ni)、釹(Nd)、(pd)鈀、鉑(Pt)、鈦(Ti)、鎢(W)、和鋅(Zn)中的至少一種,然不限於此,在本實施例中,所述第二觸控電極層13為銅。 The second touch electrode layer 13 may be a metal, such as aluminum (Al), silver (Ag), gold (Au), cobalt (Co), chromium (Cr), copper (Cu), indium (In), and manganese. (Mn), molybdenum (Mo), nickel (Ni), neodymium (Nd), (pd) palladium, platinum (Pt), titanium (Ti), tungsten (W), and zinc (Zn), then Not limited to this, in this embodiment, the second touch electrode layer 13 is copper.
輔助線123可以為直線、曲線或者不規則線。 The auxiliary line 123 may be a straight line, a curved line, or an irregular line.
所述觸控感測模組還包括光學膠15,所述光學膠15分別覆蓋相對設置的第一觸控電極層12及第二觸控電極層13。 The touch sensing module further includes an optical adhesive 15, which covers the first touch electrode layer 12 and the second touch electrode layer 13 which are oppositely disposed.
上文中,參照附圖描述了本發明的具體實施方式。然,本領域中的常規技術者能夠理解,在不偏離本發明的精神和範圍的情況下,亦可對本發明的具體實施方式作各種變更和替換。該等變更和替換都落在本發明申請專利範圍所限定的範圍內。 Hereinabove, specific embodiments of the present invention have been described with reference to the drawings. However, those skilled in the art can understand that, without departing from the spirit and scope of the present invention, various changes and substitutions can be made to the specific embodiments of the present invention. Such changes and substitutions fall within the scope limited by the scope of patent application of the present invention.
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KR20160130603A (en) * | 2015-05-04 | 2016-11-14 | 엘지이노텍 주식회사 | Touch panel |
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