TWI595388B - Touch display apparatus - Google Patents
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- TWI595388B TWI595388B TW102125562A TW102125562A TWI595388B TW I595388 B TWI595388 B TW I595388B TW 102125562 A TW102125562 A TW 102125562A TW 102125562 A TW102125562 A TW 102125562A TW I595388 B TWI595388 B TW I595388B
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Description
本發明係關於一種觸控顯示裝置。 The present invention relates to a touch display device.
隨著科技不斷的進步，使得各種資訊設備不斷地推陳出新，例如手機、平板電腦、超輕薄筆電、及衛星導航等。除了一般以鍵盤或滑鼠輸入或操控之外，利用觸控式技術來操控資訊設備是一種相當直覺且受歡迎的操控方式。其中，觸控顯示裝置具有人性化及直覺化的輸入操作介面，使得任何年齡層的使用者都可直接以手指或觸控筆選取或操控資訊設備。 With the continuous advancement of technology, various information devices are constantly being introduced, such as mobile phones, tablet computers, ultra-thin notebooks, and satellite navigation. In addition to keyboard or mouse input or manipulation, the use of touch technology to manipulate information devices is a fairly intuitive and popular way to manipulate. Among them, the touch display device has a user-friendly and intuitive input operation interface, so that users of any age can directly select or manipulate the information device with a finger or a stylus.
一般而言，觸控顯示裝置可分為兩種，一種是於顯示面板(例如液晶顯示面板)內設置一感測電極層，以成為一內嵌式觸控(in cell touch)顯示裝置，另一種是在顯示面板之上另設置一包含有感測電極層之觸控面板，以成為一外嵌式觸控(on cell touch)顯示裝置。 In general, a touch display device can be divided into two types. One is to provide a sensing electrode layer in a display panel (for example, a liquid crystal display panel) to be an in-cell touch display device. One is to further provide a touch panel including a sensing electrode layer on the display panel to form an on cell touch display device.
本發明之目的為提供一種新架構的觸控顯示裝置。 It is an object of the present invention to provide a touch display device of a new architecture.
本發明提出之觸控顯示裝置，係包括一顯示面板、一觸控面板、一功能膜以及一黏著件。觸控面板與顯示面板相對而設，觸控面板具有一第一表面，第一表面係面對顯示面板。功能膜設置於觸控面板之第一表面，功能膜具有一外側邊緣。黏著件設置於顯示面板及觸控面板之邊緣，黏著件黏合顯示面板及觸控面板，黏著件具有一內側邊緣，內側邊緣與功能膜之外側邊緣的最短距離係介於0至10毫米之間。 The touch display device of the present invention comprises a display panel, a touch panel, a functional film and an adhesive member. The touch panel is opposite to the display panel. The touch panel has a first surface, and the first surface faces the display panel. The functional film is disposed on the first surface of the touch panel, and the functional film has an outer edge. The adhesive member is disposed on the edge of the display panel and the touch panel, and the adhesive member is bonded to the display panel and the touch panel. The adhesive member has an inner edge, and the shortest distance between the inner edge and the outer edge of the functional film is between 0 and 10 mm. .
在一實施例中，黏著件之內側邊緣與功能膜之外側邊緣的最短距離係介於0.1至5毫米之間。 In one embodiment, the shortest distance between the inner edge of the adhesive and the outer edge of the functional film is between 0.1 and 5 millimeters.
在一實施例中，顯示面板具有一第一基板、一第二基板及一光學膜，第一基板與第二基板相對設置，光學膜設置於第二基板之表面， 第二基板之表面面對觸控面板。 In one embodiment, the display panel has a first substrate, a second substrate, and an optical film. The first substrate is disposed opposite to the second substrate, and the optical film is disposed on the surface of the second substrate. The surface of the second substrate faces the touch panel.
在一實施例中，功能膜與光學膜之間的最短距離係介於0至0.3毫米之間。 In one embodiment, the shortest distance between the functional film and the optical film is between 0 and 0.3 mm.
在一實施例中，功能膜係包含一第一絕緣層及一黏合層。 In one embodiment, the functional film comprises a first insulating layer and an adhesive layer.
在一實施例中，功能膜具有一防爆功能。 In an embodiment, the functional film has an explosion-proof function.
在一實施例中，功能膜之第一絕緣層的材料包含聚乙烯對苯二甲酸酯、三醋酸纖維、聚甲基丙烯酸甲酯或其組合。 In an embodiment, the material of the first insulating layer of the functional film comprises polyethylene terephthalate, triacetate, polymethyl methacrylate or a combination thereof.
在一實施例中，觸控顯示裝置更包括一導電層，導電層覆蓋功能膜之第一絕緣層。 In one embodiment, the touch display device further includes a conductive layer covering the first insulating layer of the functional film.
在一實施例中，導電層與一接地端電性連接。 In an embodiment, the conductive layer is electrically connected to a ground.
在一實施例中，觸控顯示裝置更包括一接地導電層，導電層藉由接地導電層與一接地端電性連接。 In one embodiment, the touch display device further includes a ground conductive layer, and the conductive layer is electrically connected to a ground through the ground conductive layer.
在一實施例中，接地導電層係透過一導電黏著材與導電層電性連接。 In one embodiment, the grounding conductive layer is electrically connected to the conductive layer through a conductive adhesive.
在一實施例中，導電黏著材設置於導電層之邊緣而與導電層接觸。 In one embodiment, the electrically conductive adhesive is disposed at an edge of the electrically conductive layer in contact with the electrically conductive layer.
在一實施例中，功能膜之第一絕緣層具有一通孔，導電黏著材由通孔延伸至導電層之表面。 In one embodiment, the first insulating layer of the functional film has a through hole, and the conductive adhesive extends from the through hole to the surface of the conductive layer.
在一實施例中，功能膜之第一絕緣層具有一通孔，導電層係透過通孔與接地導電層電性連接。 In one embodiment, the first insulating layer of the functional film has a through hole, and the conductive layer is electrically connected to the ground conductive layer through the through hole.
在一實施例中，觸控顯示裝置更包括一靜電防止層，其鄰設於接地導電層之邊緣，並與另一接地端電性連接。 In one embodiment, the touch display device further includes an antistatic layer disposed adjacent to the edge of the grounded conductive layer and electrically connected to the other ground.
在一實施例中，觸控面板更具有一第二絕緣層及一導電結構層。 In an embodiment, the touch panel further has a second insulating layer and a conductive structure layer.
在一實施例中，觸控顯示裝置更包括一靜電防止層，其鄰設於功能膜之邊緣，並與一接地端電性連接。 In one embodiment, the touch display device further includes an antistatic layer disposed adjacent to the edge of the functional film and electrically connected to a ground.
承上所述，於本發明之觸控顯示裝置中，功能膜設置於觸控面板之第一表面，而黏著件設置於顯示面板及觸控面板之邊緣，且黏著件黏合顯示面板及觸控面板。其中，黏著件具有一內側邊緣，內側邊緣與 功能膜之一外側邊緣的最短距離係介於0至10毫米之間。藉此，與習知相較，本發明係為一新架構的觸控顯示裝置。 As described above, in the touch display device of the present invention, the functional film is disposed on the first surface of the touch panel, and the adhesive member is disposed on the edge of the display panel and the touch panel, and the adhesive member is bonded to the display panel and the touch panel. Wherein the adhesive member has an inner edge and an inner edge The shortest distance of one of the outer edges of the functional film is between 0 and 10 mm. Accordingly, the present invention is a touch display device of a new architecture as compared with the prior art.
另外，在本發明之一實施例中，功能膜包含第一絕緣層及一黏合層，而第一絕緣層透過黏合層貼合於觸控面板之第一表面，且功能膜具有防爆功能，使觸控顯示裝置具有防爆的功能。另外，在本發明之另一實施例中，除了功能膜具有防爆功能之外，觸控顯示裝置更可包括一導電層，導電層覆蓋功能膜之第一絕緣層。因此，藉由功能膜與導電層的設置，可使觸控顯示裝置同時具有防止訊號干擾及防爆的功能。此外，在本發明之又一實施例中，觸控面板更具有一第二絕緣層及一導電結構層，且導電結構層設置於第二絕緣層與功能膜之間，使觸控顯示裝置同時具有防止訊號干擾及防爆的功能。 In addition, in an embodiment of the invention, the functional film comprises a first insulating layer and an adhesive layer, and the first insulating layer is adhered to the first surface of the touch panel through the adhesive layer, and the functional film has an explosion-proof function, so that The touch display device has an explosion-proof function. In addition, in another embodiment of the present invention, in addition to the explosion-proof function of the functional film, the touch display device may further include a conductive layer covering the first insulating layer of the functional film. Therefore, by the arrangement of the functional film and the conductive layer, the touch display device can simultaneously have the functions of preventing signal interference and explosion prevention. In addition, in another embodiment of the present invention, the touch panel further has a second insulating layer and a conductive structure layer, and the conductive structure layer is disposed between the second insulating layer and the functional film, so that the touch display device simultaneously It has the function of preventing signal interference and explosion protection.
1a~1c‧‧‧觸控顯示裝置 1a~1c‧‧‧Touch display device
11‧‧‧顯示面板 11‧‧‧ display panel
111‧‧‧第一基板 111‧‧‧First substrate
112‧‧‧第二基板 112‧‧‧second substrate
113、114‧‧‧光學膜 113, 114‧‧‧ optical film
12‧‧‧觸控面板 12‧‧‧Touch panel
121‧‧‧第一表面 121‧‧‧ first surface
122‧‧‧第二絕緣層 122‧‧‧Second insulation
123‧‧‧導電結構層 123‧‧‧Electrical structural layer
13‧‧‧功能膜 13‧‧‧ functional film
131‧‧‧外側邊緣 131‧‧‧Outer edge
132‧‧‧第一絕緣層 132‧‧‧First insulation
14‧‧‧黏著件 14‧‧‧Adhesive parts
141‧‧‧內側邊緣 141‧‧‧ inside edge
15‧‧‧電路連接板 15‧‧‧Circuit connection board
16‧‧‧導電黏著材 16‧‧‧Electrically conductive adhesive
17‧‧‧導電層 17‧‧‧ Conductive layer
18‧‧‧金屬層 18‧‧‧metal layer
19‧‧‧透明導電層 19‧‧‧Transparent conductive layer
A、B‧‧‧距離 A, B‧‧‧ distance
A-A‧‧‧直線 A-A‧‧‧ Straight line
AESD‧‧‧靜電防止層 AESD‧‧‧electrostatic prevention layer
C、P‧‧‧電性連接件 C, P‧‧‧ electrical connectors
H、O‧‧‧通孔 H, O‧‧‧ Through Hole
PS‧‧‧保護層 PS‧‧‧ protective layer
SR‧‧‧接地導電層 SR‧‧‧ Grounding Conductive Layer
T‧‧‧觸控面 T‧‧‧ touch surface
圖1A為本發明較佳實施例之一種觸控顯示裝置的剖視示意圖。 FIG. 1A is a cross-sectional view of a touch display device according to a preferred embodiment of the present invention.
圖1B至圖1C分別為本發明較佳實施例不同態樣之觸控顯示裝置的剖視示意圖。 1B to 1C are schematic cross-sectional views showing different aspects of a touch display device according to a preferred embodiment of the present invention.
圖2為本發明較佳實施例另一實施態樣之觸控顯示裝置之仰視示意圖。 2 is a bottom view of a touch display device according to another embodiment of the present invention.
圖3為本發明較佳實施例又一實施態樣之觸控顯示裝置之仰視示意圖。 FIG. 3 is a bottom view of a touch display device according to still another embodiment of the present invention.
圖4A至圖4D分別為圖3之直線A-A的不同態樣之剖視示意圖。 4A to 4D are schematic cross-sectional views showing different aspects of the line A-A of Fig. 3, respectively.
以下將參照相關圖式，說明依本發明較佳實施例之觸控顯示裝置，其中相同的元件將以相同的參照符號加以說明。另外，本發明所有實施態樣的圖示只是示意，不代表真實尺寸與比例。此外，以下內容所提到的尺寸或面積係代表由觸控面板之上往觸控顯示裝置俯視時所得到的面積。 The touch display device according to the preferred embodiment of the present invention will be described with reference to the accompanying drawings, wherein the same elements will be described with the same reference numerals. In addition, the illustrations of all the embodiments of the present invention are merely illustrative and do not represent true dimensions and proportions. In addition, the size or area mentioned in the following represents the area obtained from the top of the touch panel to the touch display device.
請參照圖1A所示，其為本發明較佳實施例之一種觸控顯示裝置1a的剖視示意圖。 Please refer to FIG. 1A , which is a cross-sectional view of a touch display device 1 a according to a preferred embodiment of the present invention.
觸控顯示裝置1a包括一顯示面板11、一觸控面板12、一功能膜13以及一黏著件14。 The touch display device 1a includes a display panel 11 , a touch panel 12 , a functional film 13 , and an adhesive member 14 .
顯示面板11具有一第一基板111、一第二基板112及一光學膜，第一基板111與第二基板112相對設置。其中，顯示面板11可為一液晶顯示面板(LCD)或一有機發光二極體顯示面板(OLED)。在本實施例中，顯示面板11係以一液晶顯示面板為例。顯示面板11之第一基板111、第二基板112及觸控面板12的材質可包含玻璃，且玻璃的材質可為相同或不相同。另外，本發明並不限定第一基板111與第二基板112的尺寸關係。換言之，第二基板112的面積可小於、等於或大於第一基板111的面積。於此，係以第二基板112側邊長度等於觸控面板12的側邊長度為例。 The display panel 11 has a first substrate 111, a second substrate 112, and an optical film. The first substrate 111 and the second substrate 112 are disposed opposite to each other. The display panel 11 can be a liquid crystal display panel (LCD) or an organic light emitting diode display panel (OLED). In the embodiment, the display panel 11 is exemplified by a liquid crystal display panel. The material of the first substrate 111, the second substrate 112, and the touch panel 12 of the display panel 11 may include glass, and the materials of the glass may be the same or different. In addition, the present invention does not limit the dimensional relationship between the first substrate 111 and the second substrate 112. In other words, the area of the second substrate 112 may be smaller than, equal to, or larger than the area of the first substrate 111. Here, the length of the side of the second substrate 112 is equal to the length of the side of the touch panel 12 as an example.
在本實施例中，第一基板111係為一薄膜電晶體基板，而第二基板112係為一彩色濾光基板為例，不過，在其它的實施態樣中，彩色濾光基板上的黑色矩陣層(black matrix)及濾光層也可分別設置於薄膜電晶體基板上，使得第一基板111成為一BOA(BM on array)基板，或成為一COA(color filter on array)基板。於此，均不加以限制。此外，顯示面板11更可具有一液晶層(圖未顯示)，液晶層係夾置於第一基板111與第二基板112之間。 In this embodiment, the first substrate 111 is a thin film transistor substrate, and the second substrate 112 is a color filter substrate. However, in other embodiments, the black color on the color filter substrate is used. The black matrix and the filter layer may also be respectively disposed on the thin film transistor substrate, so that the first substrate 111 becomes a BOA (BM on array) substrate or becomes a COA (color filter on array) substrate. There are no restrictions on this. In addition, the display panel 11 may further have a liquid crystal layer (not shown), and the liquid crystal layer is sandwiched between the first substrate 111 and the second substrate 112.
另外，光學膜設置於第二基板112之表面，而第二基板112之表面係面對觸控面板12。換言之，光學膜設置於第二基板112之表面上，並位於第二基板112與觸控面板12之間。本實施例之顯示面板11係以具有二光學膜113、114為例。於此，光學膜113為一下偏光板，而光學膜114為一上偏光板。其中，光學膜為113(下偏光板)設置於第一基板111遠離第二基板112之一側，光學膜114(上偏光板)設置於第二基板112與觸控面板12之間。於此，光學膜113位於第一基板111之下側表面，而光學膜114位於第二基板112之上側表面。不過，在其它的實施態樣中，若顯示面板11為一有機發光二極體顯示面板時，光學膜的數量只有一，並例如但不限於為1/4 λ的圓偏振片，且設置於第二基板112上，並位於第二基板112與觸控面板12之間。 In addition, the optical film is disposed on the surface of the second substrate 112 , and the surface of the second substrate 112 faces the touch panel 12 . In other words, the optical film is disposed on the surface of the second substrate 112 and located between the second substrate 112 and the touch panel 12 . The display panel 11 of the present embodiment is exemplified by having two optical films 113 and 114. Here, the optical film 113 is a lower polarizing plate, and the optical film 114 is an upper polarizing plate. The optical film 113 (lower polarizing plate) is disposed on one side of the first substrate 111 away from the second substrate 112, and the optical film 114 (upper polarizing plate) is disposed between the second substrate 112 and the touch panel 12. Here, the optical film 113 is located on the lower side surface of the first substrate 111, and the optical film 114 is located on the upper side surface of the second substrate 112. However, in other implementations, if the display panel 11 is an organic light emitting diode display panel, the number of optical films is only one, and is, for example but not limited to, a 1/4 λ circular polarizer, and is disposed on The second substrate 112 is located between the second substrate 112 and the touch panel 12 .
另外，光學膜113的面積小於第一基板111的面積，而光學膜114的面積小於第二基板112的面積。不過，在其它的實施態樣中，光學膜113的面積可等於第一基板111的面積，而光學膜114的面積也可等 於第二基板112的面積。 In addition, the area of the optical film 113 is smaller than the area of the first substrate 111, and the area of the optical film 114 is smaller than the area of the second substrate 112. However, in other embodiments, the area of the optical film 113 may be equal to the area of the first substrate 111, and the area of the optical film 114 may be equal. The area of the second substrate 112.
觸控面板12設置於顯示面板11之上。於此，觸控面板12具有觸控基板及設置於觸控基板上之感測電極層(圖未顯示)，並不包含控制觸控面板12的控制IC。觸控面板12與顯示面板11係相對而設，並以膠合方式設置於顯示面板11之上。其中，觸控面板12具有一第一表面121，而第一表面121係面對顯示面板11。 The touch panel 12 is disposed on the display panel 11 . The touch panel 12 has a touch substrate and a sensing electrode layer (not shown) disposed on the touch substrate, and does not include a control IC for controlling the touch panel 12 . The touch panel 12 is disposed opposite to the display panel 11 and is disposed on the display panel 11 in a glued manner. The touch panel 12 has a first surface 121 , and the first surface 121 faces the display panel 11 .
在本實施例中，如圖1A所示，觸控面板12與光學膜114沒有直接接觸，而是藉由黏著件14設置於顯示面板11及觸控面板12之邊緣，以透過黏著件14黏合顯示面板11及觸控面板12。於此，觸控面板12及顯示面板11係透過口型連結(air bonding)的方式結合。可於第二基板112之上表面的四個側邊設置一圈黏著件14或只在部分側邊設置黏著件14，也可以點膠方式設置黏著件14，以將觸控面板12黏合於顯示面板11上，使得顯示面板11與觸控面板12之間形成一空隙。由於光學膜114的面積小於第二基板112的面積，故光學膜114係位於第二基板112與觸控面板12之間的空隙，而黏著件14位於光學膜114之外側周圍。於此，黏著件14具有一內側邊緣141。 In this embodiment, as shown in FIG. 1A, the touch panel 12 is not in direct contact with the optical film 114, but is disposed on the edge of the display panel 11 and the touch panel 12 by the adhesive member 14 to be bonded through the adhesive member 14. The display panel 11 and the touch panel 12 are provided. Here, the touch panel 12 and the display panel 11 are coupled by means of air bonding. The adhesive member 14 may be disposed on the four sides of the upper surface of the second substrate 112 or the adhesive member 14 may be disposed on only a part of the side, or the adhesive member 14 may be disposed on the adhesive layer to bond the touch panel 12 to the display. On the panel 11 , a gap is formed between the display panel 11 and the touch panel 12 . Since the area of the optical film 114 is smaller than the area of the second substrate 112, the optical film 114 is located in the gap between the second substrate 112 and the touch panel 12, and the adhesive 14 is located around the outer side of the optical film 114. Here, the adhesive member 14 has an inner side edge 141.
功能膜13係設置於觸控面板12之第一表面121，且功能膜13具有一外側邊緣131。在本實施例中，功能膜13係包含一第一絕緣層132及一黏合層(圖未顯示)。其中，功能膜13為一防爆膜(Anti scatterig film,ASF)層而具有防爆功能，且第一絕緣層132係透過黏合層貼合於觸控面板12之第一表面121上。本實施例之功能膜13之第一絕緣層132的材料可例如但不限於包含聚乙烯對苯二甲酸酯(Polyethylene Terephthalate,PET)、三醋酸纖維(Triacetyl Cellulose,TAC)、聚甲基丙烯酸甲酯(poly-methylmethacrylate,PMMA)，或其組合。由於觸控面板12之第一表面121具有一功能膜13(具防爆功能)，故當觸控面板12因故不慎破裂時，可防止破裂的玻璃飛出而傷害觸控顯示裝置1a的其它零件(例如觸控面板11或電路板)或使用者。 The functional film 13 is disposed on the first surface 121 of the touch panel 12, and the functional film 13 has an outer edge 131. In this embodiment, the functional film 13 includes a first insulating layer 132 and an adhesive layer (not shown). The functional film 13 is an anti-scatter film (ASF) layer and has an explosion-proof function, and the first insulating layer 132 is adhered to the first surface 121 of the touch panel 12 through the adhesive layer. The material of the first insulating layer 132 of the functional film 13 of the embodiment may be, for example but not limited to, Polyethylene Terephthalate (PET), Triacetyl Cellulose (TAC), polymethacrylic acid. Poly-methylmethacrylate (PMMA), or a combination thereof. Since the first surface 121 of the touch panel 12 has a functional film 13 (explosion-proof function), when the touch panel 12 is accidentally broken, the broken glass can be prevented from flying out and the other of the touch display device 1a is damaged. A part (such as a touch panel 11 or a circuit board) or a user.
另外，如圖1A所示，本發明之黏著件14的內側邊緣141與功能膜13之外側邊緣131的最短距離A係可介於0至10毫米之間。較 佳者，黏著件14之內側邊緣141與功能膜13之外側邊緣131的最短距離A係介於0.1至5毫米之間。另外，功能膜13與光學膜114之間的最短距離B係可介於0至0.3毫米之間。於此，若最短距離B為0毫米，係代表功能膜13與光學膜114連接。 Further, as shown in FIG. 1A, the shortest distance A of the inner side edge 141 of the adhesive member 14 of the present invention and the outer side edge 131 of the functional film 13 may be between 0 and 10 mm. More Preferably, the shortest distance A between the inner edge 141 of the adhesive member 14 and the outer side edge 131 of the functional film 13 is between 0.1 and 5 mm. In addition, the shortest distance B between the functional film 13 and the optical film 114 may be between 0 and 0.3 mm. Here, if the shortest distance B is 0 mm, the functional film 13 is connected to the optical film 114.
另外，請參照圖1B至圖1C所示，其分別為本發明較佳實施例不同態樣之觸控顯示裝置1b~1c的剖視示意圖。 1B to 1C are schematic cross-sectional views of touch display devices 1b to 1c according to different aspects of the preferred embodiment of the present invention.
如圖1B所示，與圖1A之觸控顯示裝置1a主要的不同在於，觸控顯示裝置1b更包括一導電層17，導電層17覆蓋功能膜13。於此，功能膜13及導電層17可依序設置於觸控面板12之第一表面121上。其中，導電層17可例如但不限於為一透明導電層或一金屬網格(metal grid)，並與一接地端電性連接(圖未顯示)。於此，接地端可位於觸控面板12上，或位於外部電路上。導電層17的材料例如但不限於為銦錫氧化物(indium-tin oxide,ITO)、銦鋅氧化物(indium-zinc oxide,IZO)、或金屬(例如奈米銀)。於此，導電層17係以一透明導電層，且其材料以銦錫氧化物為例。藉由功能膜13(具有防爆功能)與導電層17(具有訊號屏蔽功能)的設置，除了可使觸控顯示裝置1c具有防爆的功能之外，又同時具有防止訊號干擾觸控面板12的正常操作，避免觸控面板12的誤動作。此外，觸控顯示裝置1b其它元件的技術特徵可參照觸控顯示裝置1a之相同元件，不再贅述。 As shown in FIG. 1B , the main difference between the touch display device 1 and the touch display device 1 a is that the touch display device 1 b further includes a conductive layer 17 , and the conductive layer 17 covers the functional film 13 . The functional film 13 and the conductive layer 17 can be sequentially disposed on the first surface 121 of the touch panel 12 . The conductive layer 17 can be, for example but not limited to, a transparent conductive layer or a metal grid, and is electrically connected to a ground (not shown). Here, the ground terminal may be located on the touch panel 12 or on an external circuit. The material of the conductive layer 17 is, for example but not limited to, indium-tin oxide (ITO), indium-zinc oxide (IZO), or metal (for example, nano-silver). Here, the conductive layer 17 is a transparent conductive layer, and the material thereof is exemplified by indium tin oxide. The function of the functional film 13 (with explosion-proof function) and the conductive layer 17 (with signal shielding function) can not only prevent the touch display device 1c from having an explosion-proof function, but also prevent the signal from interfering with the normal operation of the touch panel 12. The operation avoids the malfunction of the touch panel 12. For the technical features of the other components of the touch display device 1b, reference may be made to the same components of the touch display device 1a, and details are not described herein.
另外，如圖1C所示，與圖1A之觸控顯示裝置1a主要的不同在於，觸控顯示裝置1c之觸控面板12更具有一第二絕緣層122及一導電結構層123。於此，導電結構層123位於第二絕緣層122與功能膜13之間。不過，第二絕緣層122及導電結構層123的位置也可互換。其中，當導電結構層123位於第二絕緣層122與功能膜13之間時，第二絕緣層122係為一鈍化層，而導電結構層123例如但不限於為一透明導電層。其中，導電結構層123的材料例如但不限於為銦錫氧化物(indium-tin oxide,ITO)或銦鋅氧化物(indium-zinc oxide,IZO)。於此，導電結構層123係以一透明導電層，且其材料以銦錫氧化物為例。因此，藉由導電結構層123的設置，使觸控面板12本身即具有防止訊號干擾的功能。另外，再搭配功能膜 13的設置，使觸控顯示裝置1c同時具有防止訊號干擾及防爆的功能。另外，當第二絕緣層122(例如鈍化層)位於導電結構層123(例如電極層)與功能膜13之間時，則觸控顯示裝置1c具有防爆的功能。此外，觸控顯示裝置1c其它元件的技術特徵可參照觸控顯示裝置1a之相同元件，不再贅述。 In addition, as shown in FIG. 1C , the main difference is that the touch panel 12 of the touch display device 1 c further has a second insulating layer 122 and a conductive structure layer 123 . Here, the conductive structure layer 123 is located between the second insulating layer 122 and the functional film 13. However, the positions of the second insulating layer 122 and the conductive structure layer 123 are also interchangeable. Wherein, when the conductive structure layer 123 is located between the second insulating layer 122 and the functional film 13, the second insulating layer 122 is a passivation layer, and the conductive structure layer 123 is, for example but not limited to, a transparent conductive layer. The material of the conductive structure layer 123 is, for example but not limited to, indium-tin oxide (ITO) or indium-zinc oxide (IZO). Herein, the conductive structure layer 123 is a transparent conductive layer, and the material thereof is exemplified by indium tin oxide. Therefore, the touch panel 12 itself has a function of preventing signal interference by the arrangement of the conductive structure layer 123. In addition, with the functional film The setting of 13 enables the touch display device 1c to simultaneously have a function of preventing signal interference and explosion prevention. In addition, when the second insulating layer 122 (for example, a passivation layer) is located between the conductive structure layer 123 (for example, an electrode layer) and the functional film 13, the touch display device 1c has an explosion-proof function. For the technical features of other components of the touch display device 1c, reference may be made to the same components of the touch display device 1a, and details are not described herein.
請參照圖2所示，其為本發明較佳實施例另一實施態樣之觸控顯示裝置之仰視示意圖。於此，圖2並未顯示顯示面板。另外，圖2之觸控顯示裝置的觸控面板12之第一表面121上依序具有功能膜13(包含第一絕緣層及黏合層)及導電層17(導電層17覆蓋功能膜13)。其中，功能膜13具有防爆功能，而導電層17係為一透明導電層，使觸控顯示裝置同時具有防止訊號干擾及防爆的功能。另外，觸控面板12之一觸控面T即為觸控面板12上可被觸控之區域(觸控面T與第一表面121相對)。 Please refer to FIG. 2 , which is a bottom view of a touch display device according to another embodiment of the preferred embodiment of the present invention. Here, FIG. 2 does not show the display panel. In addition, the first surface 121 of the touch panel 12 of the touch display device of FIG. 2 sequentially has a functional film 13 (including a first insulating layer and an adhesive layer) and a conductive layer 17 (the conductive layer 17 covers the functional film 13). The functional film 13 has an explosion-proof function, and the conductive layer 17 is a transparent conductive layer, so that the touch display device has the functions of preventing signal interference and explosion-proof at the same time. In addition, one touch surface T of the touch panel 12 is an area on the touch panel 12 that can be touched (the touch surface T is opposite to the first surface 121 ).
在本實施例中，如圖2所示，觸控顯示裝置更可包括一電路連接板15，電路連接板15與觸控面板12電性連接。電路連接板15例如但不限於為軟式印刷電路(Flexible Print Circuit,FPC)板或軟硬結合板。其中，驅動觸控面板12之驅動電路(圖未顯示)可設置於電路連接板15，或透過電路連接板15與觸控面板12電性連接，使驅動電路可控制觸控面板12的作動。於此，電路連接板15係透過一電性連接件C與觸控面板12電性連接。另外，導電層17(透明導電層)係透過另一電性連接件P與電路連接板15電性連接，以將導電層17與電路連接板15之一接地端(圖未顯示)電性連接，藉此，使導電層17具有防止訊號干擾的功能。其中，電性連接件C及電路連接件P可分別包含一匯流排、一連接導線、一連接端子、導電銀膠或銲錫，或其組合，並不加以特別限定。或者，也可不必使用電路連接件P，而是直接將導電銀膠或銲錫，或其它導電材料設置於導電層17(透明導電層)與電路連接件C之間，使兩者電性連接。 In this embodiment, as shown in FIG. 2 , the touch display device further includes a circuit connecting board 15 , and the circuit connecting board 15 is electrically connected to the touch panel 12 . The circuit connection board 15 is, for example but not limited to, a Flexible Print Circuit (FPC) board or a soft and hard board. The driving circuit (not shown) for driving the touch panel 12 can be disposed on the circuit connecting board 15 or electrically connected to the touch panel 12 through the circuit connecting board 15 , so that the driving circuit can control the operation of the touch panel 12 . The circuit board 15 is electrically connected to the touch panel 12 through an electrical connector C. In addition, the conductive layer 17 (transparent conductive layer) is electrically connected to the circuit connecting board 15 through another electrical connecting member P to electrically connect the conductive layer 17 to one of the grounding ends of the circuit connecting board 15 (not shown). Thereby, the conductive layer 17 is provided with a function of preventing signal interference. The electrical connector C and the circuit connector P may respectively include a bus bar, a connecting wire, a connecting terminal, a conductive silver paste or a solder, or a combination thereof, and are not particularly limited. Alternatively, instead of using the circuit connector P, conductive silver paste or solder, or other conductive material may be directly disposed between the conductive layer 17 (transparent conductive layer) and the circuit connecting member C to electrically connect the two.
此外，本實施例之觸控顯示裝置更可包括一靜電防止(Anti-Electrostatic Discharge)層AESD，靜電防止層AESD係鄰設於功能膜13之邊緣，並與一接地端(圖未顯示)電性連接。其中，接地端可位於電路連接板15或其它位置。藉由靜電防止層AESD的設置，可防止外界的靜電破壞觸控顯示裝置。 In addition, the touch display device of the present embodiment may further include an anti-electrostatic discharge layer (AESD), and the antistatic layer AESD is disposed adjacent to the edge of the functional film 13 and electrically connected to a ground terminal (not shown). Sexual connection. The ground terminal may be located at the circuit connection board 15 or other locations. By the setting of the static electricity prevention layer AESD, it is possible to prevent external static electricity from damaging the touch display device.
另外，請分別參照圖3及圖4A至圖4D所示，其中，圖3為本發明較佳實施例又一實施態樣之觸控顯示裝置之仰視示意圖，而圖4A~圖4D分別為圖3之直線A-A的不同態樣之剖視示意圖。於此，圖3及圖4A至圖4D並未顯示顯示面板及黏著件。另外，為了與圖1C之觸控面板相互對應，圖4A至圖4D仍顯示功能膜13及導電層17位於觸控面板12之下方。其中，功能膜13包含第一絕緣層及黏合層，並具有防爆的功能，而導電層17仍為一透明導電層。此外，圖3並未顯示功能膜13。 3 and FIG. 4A to FIG. 4D, FIG. 3 is a bottom view of a touch display device according to another embodiment of the present invention, and FIG. 4A to FIG. A schematic cross-sectional view of a different aspect of the straight line AA of 3. Here, FIG. 3 and FIG. 4A to FIG. 4D do not show the display panel and the adhesive member. In addition, in order to correspond to the touch panel of FIG. 1C , FIGS. 4A to 4D still show that the functional film 13 and the conductive layer 17 are located below the touch panel 12 . The functional film 13 includes a first insulating layer and an adhesive layer and has an explosion-proof function, and the conductive layer 17 is still a transparent conductive layer. Further, the functional film 13 is not shown in FIG.
如圖3及圖4A所示，觸控顯示裝置更包括一接地導電層SR(shielding ring)。於此，接地導電層SR係鄰設於功能膜13之邊緣，且導電層17係藉由接地導電層SR與一接地端電性連接(其連接方式，以下會有詳細說明)。於此，該接地端係位於電路連接板15上。另外，除了接地導電層SR之外，本實施例之觸控顯示裝置更可包括一靜電防止層AESD，靜電防止層AESD係鄰設於功能膜13之邊緣，並位於接地導電層SR之外緣，且與另一接地端電性連接。其中，接地導電層SR與靜電防止層AESD的材料可分別包含金屬導電材料(例如金屬層)或包含透明導電材料(例如ITO或IZO)，並可為單層或多層的結構。在圖4A至圖4D中，接地導電層SR及靜電防止層AESD分別為一層金屬層18與一層透明導電層19之組合。當然，於其它的實施態樣中，接地導電層SR及靜電防止層AESD的層數及材料可為相同或不同，並可為相同或不相同的導電材料。其中，靜電防止層AESD可透過一低通濾波器(例如一電阻與一電容並聯所形成者，圖未顯示)與接地端電性連接。低通濾波器可濾除外界之高頻訊號，藉此，使觸控面板12具有防止外界靜電干擾的功能。不過，在其它的實施例中，也可使用一組背對背(back-to-back)的稽納二極體作為一靜電防止層，或除了上述之靜電防止層AESD之外，再加裝一組背對背的稽納二極體，以加強觸控顯示裝置的靜電防護功效。此外，接地導電層SR除了作為電連接至接地端之用外，其與靜電防止層AESD的功能不同。接地導電層SR主要作為訊號隔絕之用，並具有屏蔽外界的靜電放電而跳火到觸控面板12的線路之功能，或者屏蔽靜電防止層AESD的靜電放電而跳火到觸控面板12的線路之功能。 As shown in FIG. 3 and FIG. 4A , the touch display device further includes a grounding conductive layer SR. Herein, the grounding conductive layer SR is disposed adjacent to the edge of the functional film 13, and the conductive layer 17 is electrically connected to a ground via the grounding conductive layer SR (the manner of connection thereof will be described in detail below). Here, the ground terminal is located on the circuit connecting plate 15. In addition, the touch display device of the present embodiment may further include an antistatic layer AESD, and the antistatic layer AESD is disposed adjacent to the edge of the functional film 13 and located outside the ground conductive layer SR. And electrically connected to another ground. The material of the ground conductive layer SR and the static electricity prevention layer AESD may respectively comprise a metal conductive material (for example, a metal layer) or a transparent conductive material (such as ITO or IZO), and may be a single layer or a multilayer structure. In FIGS. 4A to 4D, the ground conductive layer SR and the static electricity prevention layer AESD are respectively a combination of a metal layer 18 and a transparent conductive layer 19. Of course, in other implementations, the number of layers and materials of the ground conductive layer SR and the static electricity prevention layer AESD may be the same or different, and may be the same or different conductive materials. The static electricity prevention layer AESD can be electrically connected to the ground through a low-pass filter (for example, a resistor is formed in parallel with a capacitor, not shown). The low-pass filter can filter the high-frequency signals of the excluded boundary, thereby making the touch panel 12 have a function of preventing external static interference. However, in other embodiments, a set of back-to-back arrester diodes may be used as an antistatic layer or, in addition to the above-described static electricity prevention layer AESD, The back-to-back Energizer diode enhances the electrostatic protection of the touch display device. Further, the ground conductive layer SR is different from the function of the static electricity prevention layer AESD except for being electrically connected to the ground terminal. The grounding conductive layer SR is mainly used for signal isolation, and has the function of shielding the external electrostatic discharge and jumping to the line of the touch panel 12, or shielding the electrostatic discharge of the static electricity prevention layer AESD and jumping to the line of the touch panel 12. The function.
值得一提的是，在其它的實施態樣中，也可只於觸控顯示裝置上單獨設置靜電防止層AESD，而不設置接地導電層SR，或單獨設置接地導電層SR，而不設置靜電防止層AESD，本發明均不加以限定。 It should be noted that in other implementations, the static electricity prevention layer AESD may be separately disposed on the touch display device, and the ground conductive layer SR may not be disposed, or the ground conductive layer SR may be separately disposed without setting static electricity. The prevention layer AESD is not limited in the present invention.
此外，除了金屬層18及透明導電層19之外，觸控顯示裝置更包括一保護層PS(為一絕緣層)，而接地導電層SR、靜電防止層AESD及導電層17之間係藉由保護層PS而隔離。 In addition, in addition to the metal layer 18 and the transparent conductive layer 19, the touch display device further includes a protective layer PS (which is an insulating layer), and the ground conductive layer SR, the static electricity prevention layer AESD, and the conductive layer 17 are separated by The protection layer PS is isolated.
於圖4A中，功能膜13之第一絕緣層具有一通孔H，並透過於通孔H內填滿一導電黏著材16(例如銀膠或銲錫)，使導電層17可透過通孔H與接地導電層SR電性連接。由於接地導電層SR已與接地端電性連接，故導電層17可透過接地導電層SR與接地端電性連接，使導電層17具有防止訊號干擾的功能。 In FIG. 4A, the first insulating layer of the functional film 13 has a through hole H, and is filled with a conductive adhesive 16 (for example, silver paste or solder) through the through hole H, so that the conductive layer 17 can pass through the through hole H and The grounding conductive layer SR is electrically connected. Since the grounding conductive layer SR is electrically connected to the grounding end, the conductive layer 17 can be electrically connected to the ground through the grounding conductive layer SR, so that the conductive layer 17 has a function of preventing signal interference.
另外，如圖4B所示，與圖4A主要的不同在於，圖4B之導電層17具有另一通孔O，通孔O與通孔H對應，故除了於通孔H內填滿導電黏著材16之外，通孔O亦填滿導電黏著材16，使導電層17可透過位於通孔H、通孔O之導電黏著材16及接地導電層SR與接地端電性連接，使導電層17具有防止訊號干擾的功能。此外，圖4B其它元件的技術特徵可參照圖4A的相同元件，不再贅述。 In addition, as shown in FIG. 4B, the main difference from FIG. 4A is that the conductive layer 17 of FIG. 4B has another through hole O, and the through hole O corresponds to the through hole H, so that the conductive via 16 is filled in the through hole H. In addition, the via hole O is also filled with the conductive adhesive material 16, so that the conductive layer 17 can be electrically connected to the grounding end through the conductive adhesive material 16 and the ground conductive layer SR located in the through hole H and the through hole O, so that the conductive layer 17 has The function of preventing signal interference. In addition, the technical features of other components of FIG. 4B can refer to the same components of FIG. 4A, and details are not described herein again.
另外，如圖4C所示，與圖4B主要的不同在於，圖4C於通孔O及通孔H內填滿導電黏著材16之外，導電黏著材16由通孔H延伸至導電層17之表面，藉此，使導電層17與接地導電層SR電性連接時的阻值更低，以達到更好的電性連接(接地)效果。此外，圖4C其它元件的技術特徵可參照圖4B的相同元件，不再贅述。 In addition, as shown in FIG. 4C , the main difference from FIG. 4B is that the conductive adhesive 16 extends from the through hole H to the conductive layer 17 except that the through hole O and the through hole H are filled with the conductive adhesive 16 . The surface, whereby the resistance of the conductive layer 17 when electrically connected to the ground conductive layer SR is lower, to achieve a better electrical connection (grounding) effect. In addition, the technical features of other components of FIG. 4C may refer to the same components of FIG. 4B, and details are not described herein again.
另外，如圖4D所示，與圖4A主要的不同在於，圖4D之靜電防止層AESD上及靜電防止層AESD與接地導電層SR之間並沒有設置保護層PS及導電層17。另外，導電黏著材16只設置於導電層17之邊緣並延伸至導電層17之表面而與導電層17接觸，使導電層17與接地導電層SR電性連接。此外，圖4D其它元件的技術特徵可參照圖4A的相同元件，不再贅述。 Further, as shown in FIG. 4D, the main difference from FIG. 4A is that the protective layer PS and the conductive layer 17 are not provided on the static electricity prevention layer AESD of FIG. 4D and between the static electricity prevention layer AESD and the ground conductive layer SR. In addition, the conductive adhesive 16 is disposed only on the edge of the conductive layer 17 and extends to the surface of the conductive layer 17 to be in contact with the conductive layer 17, so that the conductive layer 17 is electrically connected to the ground conductive layer SR. In addition, the technical features of other components of FIG. 4D may refer to the same components of FIG. 4A, and details are not described herein again.
綜上所述，於本發明之觸控顯示裝置中，功能膜設置於觸 控面板之第一表面，而黏著件設置於顯示面板及觸控面板之邊緣，且黏著件黏合顯示面板及觸控面板。其中，黏著件具有一內側邊緣，內側邊緣與功能膜之一外側邊緣的最短距離係介於0至10毫米之間。藉此，與習知相較，本發明係為一新架構的觸控顯示裝置。 In summary, in the touch display device of the present invention, the functional film is placed on the touch The first surface of the control panel is disposed on the edge of the display panel and the touch panel, and the adhesive member is bonded to the display panel and the touch panel. Wherein the adhesive member has an inner edge, and the shortest distance between the inner edge and one of the outer edges of the functional film is between 0 and 10 mm. Accordingly, the present invention is a touch display device of a new architecture as compared with the prior art.
另外，在本發明之一實施例中，功能膜包含第一絕緣層及一黏合層，而第一絕緣層透過黏合層貼合於觸控面板之第一表面，且功能膜具有防爆功能，使觸控顯示裝置具有防爆的功能。另外，在本發明之另一實施例中，除了功能膜具有防爆功能之外，觸控顯示裝置更可包括一導電層，導電層覆蓋功能膜之第一絕緣層。因此，藉由功能膜與導電層的設置，可使觸控顯示裝置同時具有防止訊號干擾及防爆的功能。此外，在本發明之又一實施例中，觸控面板更具有一第二絕緣層及一導電結構層，且導電結構層設置於第二絕緣層與功能膜之間，使觸控顯示裝置同時具有防止訊號干擾及防爆的功能。 In addition, in an embodiment of the invention, the functional film comprises a first insulating layer and an adhesive layer, and the first insulating layer is adhered to the first surface of the touch panel through the adhesive layer, and the functional film has an explosion-proof function, so that The touch display device has an explosion-proof function. In addition, in another embodiment of the present invention, in addition to the explosion-proof function of the functional film, the touch display device may further include a conductive layer covering the first insulating layer of the functional film. Therefore, by the arrangement of the functional film and the conductive layer, the touch display device can simultaneously have the functions of preventing signal interference and explosion prevention. In addition, in another embodiment of the present invention, the touch panel further has a second insulating layer and a conductive structure layer, and the conductive structure layer is disposed between the second insulating layer and the functional film, so that the touch display device simultaneously It has the function of preventing signal interference and explosion protection.
以上所述僅為舉例性，而非為限制性者。任何未脫離本發明之精神與範疇，而對其進行之等效修改或變更，均應包含於後附之申請專利範圍中。 The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.
1a‧‧‧觸控顯示裝置 1a‧‧‧Touch display device
11‧‧‧顯示面板 11‧‧‧ display panel
111‧‧‧第一基板 111‧‧‧First substrate
112‧‧‧第二基板 112‧‧‧second substrate
113、114‧‧‧光學膜 113, 114‧‧‧ optical film
12‧‧‧觸控面板 12‧‧‧Touch panel
121‧‧‧第一表面 121‧‧‧ first surface
13‧‧‧功能膜 13‧‧‧ functional film
131‧‧‧外側邊緣 131‧‧‧Outer edge
132‧‧‧第一絕緣層 132‧‧‧First insulation
14‧‧‧黏著件 14‧‧‧Adhesive parts
141‧‧‧內側邊緣 141‧‧‧ inside edge
A、B‧‧‧距離 A, B‧‧‧ distance
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/222,079 US9411448B2 (en) | 2013-03-22 | 2014-03-21 | Touch display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361804475P | 2013-03-22 | 2013-03-22 |
Publications (2)
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| TW201437865A TW201437865A (en) | 2014-10-01 |
| TWI595388B true TWI595388B (en) | 2017-08-11 |
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| TW102125562A TWI595388B (en) | 2013-03-22 | 2013-07-17 | Touch display apparatus |
| TW102213499U TWM474190U (en) | 2013-03-22 | 2013-07-17 | Touch display apparatus |
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| Application Number | Title | Priority Date | Filing Date |
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| TW102213499U TWM474190U (en) | 2013-03-22 | 2013-07-17 | Touch display apparatus |
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| CN (2) | CN104063085B (en) |
| TW (2) | TWI595388B (en) |
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| TWI674523B (en) * | 2018-01-12 | 2019-10-11 | 大陸商寶宸（廈門）光學科技有限公司 | Touch display apparatus |
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| TWI501127B (en) * | 2013-08-15 | 2015-09-21 | Elan Microelectronics Corp | Touch device and lamination method for the touch device |
| CN103955312A (en) * | 2014-05-06 | 2014-07-30 | 山东华芯富创电子科技有限公司 | Anti-static structure and manufacturing method thereof for touch panel |
| JP6416668B2 (en) | 2014-08-20 | 2018-10-31 | 株式会社ジャパンディスプレイ | Display device |
| TW201624213A (en) * | 2014-12-19 | 2016-07-01 | 中華映管股份有限公司 | Touch display device and noise-shielding method of touch display device |
| US9285913B1 (en) | 2014-12-31 | 2016-03-15 | Lg Display Co., Ltd. | Display device and driving method thereof |
| EP3040823B1 (en) * | 2014-12-31 | 2017-09-27 | LG Display Co., Ltd. | Display device and driving method thereof |
| CN104679338B (en) * | 2015-03-18 | 2018-12-21 | 合肥鑫晟光电科技有限公司 | Explosion-proof membrane module, touch screen structure and display device |
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Also Published As
| Publication number | Publication date |
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| CN203386163U (en) | 2014-01-08 |
| TW201437865A (en) | 2014-10-01 |
| TWM474190U (en) | 2014-03-11 |
| CN104063085B (en) | 2017-08-25 |
| CN104063085A (en) | 2014-09-24 |
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