TWI476657B - Touch panel and touch-display panel using the same - Google Patents
Touch panel and touch-display panel using the same Download PDFInfo
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- TWI476657B TWI476657B TW101140861A TW101140861A TWI476657B TW I476657 B TWI476657 B TW I476657B TW 101140861 A TW101140861 A TW 101140861A TW 101140861 A TW101140861 A TW 101140861A TW I476657 B TWI476657 B TW I476657B
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Description
本發明是有關於一種觸控面板及應用其之觸控顯示面板,且特別是有關於一種具有突出結構之觸控面板及應用其之觸控顯示面板。The present invention relates to a touch panel and a touch display panel using the same, and more particularly to a touch panel having a protruding structure and a touch display panel using the same.
傳統觸控面板包含二導電基板,此二導電基板之間具有一間距,以容納間隔物(spacer)。然而,由於此間距值過大,在觸控導電基板過程中會感覺到有突起、浮動的不良現象。A conventional touch panel includes two conductive substrates with a spacing between the two conductive substrates to accommodate a spacer. However, since the pitch value is too large, a phenomenon of protrusion and floating may be felt during the process of touching the conductive substrate.
本發明係有關於一種觸控面板及應用其之觸控顯示面板,可改善觸控面板突起、浮動的不良現象。The present invention relates to a touch panel and a touch display panel using the same, which can improve the phenomenon of protrusion and floating of the touch panel.
根據本發明之一實施例,提出一種觸控面板。觸控面板包括一導電基板、一導電膜及一絕緣黏合件。導電膜具有一內表面,內表面包括一邊緣區及一觸控區,觸控區相對邊緣區往導電基板的方向突出。絕緣黏合件黏合導電基板與導電膜。According to an embodiment of the invention, a touch panel is proposed. The touch panel includes a conductive substrate, a conductive film, and an insulating adhesive. The conductive film has an inner surface, and the inner surface includes an edge region and a touch region, and the touch region protrudes from the edge region toward the conductive substrate. The insulating adhesive bonds the conductive substrate and the conductive film.
根據本發明之另一實施例,提出一種觸控顯示面板。觸控顯示面板包括一觸控面板及一顯示面板。觸控面板包括一導電基板、一導電膜及一絕緣黏合件。導電膜具有一內表面,內表面包括一邊緣區及一觸控區,觸控區相對邊 緣區往導電基板的方向突出。絕緣黏合件黏合導電基板與導電膜。顯示面板相對觸控面板配置。According to another embodiment of the present invention, a touch display panel is proposed. The touch display panel includes a touch panel and a display panel. The touch panel includes a conductive substrate, a conductive film, and an insulating adhesive. The conductive film has an inner surface, and the inner surface includes an edge region and a touch region, and the opposite sides of the touch region The edge region protrudes in the direction of the conductive substrate. The insulating adhesive bonds the conductive substrate and the conductive film. The display panel is relative to the touch panel configuration.
為了對本發明之上述及其他方面有更佳的瞭解,下文特舉實施例,並配合所附圖式,作詳細說明如下:In order to provide a better understanding of the above and other aspects of the present invention, the following detailed description of the embodiments and the accompanying drawings
請參照第1A圖,其繪示依照本發明一實施例之觸控面板的分解圖。觸控面板100包括導電膜110、導電基板120及絕緣黏合件130。觸控面板100以多點式電阻式觸控面板為例說明,然觸控面板100亦可為四線式、五線式、六線式、七線式、八線式或其它種類電阻式觸控面板。Please refer to FIG. 1A, which is an exploded view of a touch panel according to an embodiment of the invention. The touch panel 100 includes a conductive film 110 , a conductive substrate 120 , and an insulating adhesive 130 . The touch panel 100 is exemplified by a multi-point resistive touch panel. However, the touch panel 100 can also be a four-wire, five-wire, six-wire, seven-wire, eight-wire or other type of resistive touch. Control panel.
導電膜110包括透光膜111及第一導電層112。透光膜111的材料例如是聚碳酸酯(Polycarbonate,PC)、聚對苯二甲酸乙二酯(Polythylene terephthalate,PET)、聚甲基丙烯酸甲酯(Polymethylmethacrylate,PMMA)、環烯烴共聚合物(Cyclic Olefin Copolymer)或其它具備可撓性材料。The conductive film 110 includes a light transmissive film 111 and a first conductive layer 112. The material of the transparent film 111 is, for example, polycarbonate (PC), polyethylene terephthalate (PET), polymethylmethacrylate (PMMA), and cyclic olefin copolymer ( Cyclic Olefin Copolymer) or other flexible materials.
透光膜111具有相對之內表面110c與外表面110s。第一導電層112形成於透光膜111之內表面110c上,用以感應沿第一方向D1之觸控訊號。第一導電層112包括數個之第一電極1121及數條第一訊號線1122,其中第一電極1121彼此隔離,且沿第一方向D1延伸。內表面110c定義邊緣區110c1(第1B圖)及觸控區110c2(第1B圖),第一電極1121形成於觸控區110c2,而各第一訊號線1122形成於內表面110c之邊緣區110c1,且連接於對應之第一電極1121。The light transmissive film 111 has an opposite inner surface 110c and an outer surface 110s. The first conductive layer 112 is formed on the inner surface 110c of the transparent film 111 for sensing the touch signal in the first direction D1. The first conductive layer 112 includes a plurality of first electrodes 1121 and a plurality of first signal lines 1122, wherein the first electrodes 1121 are isolated from each other and extend along the first direction D1. The inner surface 110c defines an edge region 110c1 (FIG. 1B) and a touch region 110c2 (FIG. 1B). The first electrode 1121 is formed on the touch region 110c2, and each of the first signal lines 1122 is formed on the edge region 110c1 of the inner surface 110c. And connected to the corresponding first electrode 1121.
在製程上,可採用例如是塗佈技術形成第一電極材料於透光膜111之整個內表面110c上,然後再蝕刻此第一電極材料的邊緣,而露出內表面110c之邊緣區110c1(第1B圖)。此外,可採用例如是雷射切割,形成隔離溝槽1123,以形成數個彼此隔離的第一電極1121。In the process, the first electrode material may be formed on the entire inner surface 110c of the light transmissive film 111 by, for example, a coating technique, and then the edge of the first electrode material may be etched to expose the edge region 110c1 of the inner surface 110c (the first 1B picture). Further, isolation trenches 1123 may be formed using, for example, laser cutting to form a plurality of first electrodes 1121 that are isolated from each other.
第一電極1121的材料例如是透明導電材料(Transparent Conductive Oxide;TCO)或透明的有機導電材料,其中,透明導電材料如銦錫氧化物(Indium Tin Oxide,ITO)或銦鋅氧化物(indium zinc oxide,IZO),而透明的有機導電材料例如是聚乙撑二氧噻吩(PEDOT)。第一訊號線1122的材料例如是金屬,如銀,其可採用例如是微影製程及/或塗佈技術形成。The material of the first electrode 1121 is, for example, a Transparent Conductive Oxide (TCO) or a transparent organic conductive material, wherein the transparent conductive material such as Indium Tin Oxide (ITO) or Indium Zinc (Indium Zinc) Oxide, IZO), and the transparent organic conductive material is, for example, polyethylene dioxythiophene (PEDOT). The material of the first signal line 1122 is, for example, a metal such as silver, which may be formed using, for example, a lithography process and/or a coating technique.
導電基板120包括透光基板121及第二導電層122,其中透光基板121具有相對之內表面120c與外表面120s,而第二導電層122形成於透光基板121之內表面120c上,用以感應沿第二方向D2之觸控訊號。透光基板121的材料包括玻璃或相似於透光膜111的材料。The conductive substrate 120 includes a transparent substrate 121 and a second conductive layer 122. The transparent substrate 121 has an opposite inner surface 120c and an outer surface 120s, and the second conductive layer 122 is formed on the inner surface 120c of the transparent substrate 121. The touch signal in the second direction D2 is sensed. The material of the light-transmitting substrate 121 includes glass or a material similar to the light-transmissive film 111.
內表面120c包括邊緣區120c1及觸控區120c2。第二導電層122包括數個第二電極1221及數條第二訊號線1222,其中第二電極1221形成於觸控區120c2且沿第二方向D2延伸,而各第二訊號線1222形成於內表面120c之邊緣區120c1,且連接於對應之第二電極1221。此外,第二電極1221及第二訊號線1222的材料分別相似於第一電極1121及第一訊號線1122,容此不再贅述。第二電極1221的形成方法相似於第一電極1121,容此不再贅述。The inner surface 120c includes an edge region 120c1 and a touch region 120c2. The second conductive layer 122 includes a plurality of second electrodes 1221 and a plurality of second signal lines 1222. The second electrodes 1221 are formed in the touch area 120c2 and extend along the second direction D2, and the second signal lines 1222 are formed therein. The edge region 120c1 of the surface 120c is connected to the corresponding second electrode 1221. The materials of the second electrode 1221 and the second signal line 1222 are similar to the first electrode 1121 and the first signal line 1122, respectively, and are not described herein again. The second electrode 1221 is formed in a similar manner to the first electrode 1121, and will not be described again.
請參照第1B圖,其繪示第1A圖之觸控面板組裝後沿方向1B-1B’的剖視圖。透光膜111之觸控區110c2相對邊緣區110c1往導電基板120的方向突出而形成一突出結構114,如此可縮小導電膜110與導電基板120的間距S1,改善透光膜111突起、浮動的不良現象。本例中,透光膜111往導電基板120的方向突出所形成的突出結構114可進入第一訊號線1122與第一電極1121之間的段差空間,並讓第一電極1121的下表面及第二訊號線1222的下表面實質上對齊於絕緣黏合件130上。一實施例中,間距S1降低至約60微米。Please refer to FIG. 1B, which is a cross-sectional view of the touch panel of FIG. 1A taken along the direction 1B-1B'. The touch region 110c2 of the transparent film 111 protrudes from the edge region 110c1 toward the conductive substrate 120 to form a protruding structure 114. Thus, the distance S1 between the conductive film 110 and the conductive substrate 120 can be reduced, and the light-transmissive film 111 can be raised and floated. unpleasant sight. In this example, the protruding structure 114 formed by the light-transmissive film 111 protruding toward the conductive substrate 120 can enter the step space between the first signal line 1122 and the first electrode 1121, and let the lower surface of the first electrode 1121 and the first surface The lower surface of the second signal line 1222 is substantially aligned with the insulating adhesive member 130. In one embodiment, the spacing S1 is reduced to about 60 microns.
雖然第1B圖之第一電極1121從觸控區110c2延伸至邊緣區110c1;然另一例中,第一電極1121可不延伸至邊緣區110c1,而是第一訊號線1122從邊緣區110c1延伸至觸控區110c2,而與第一電極1121連接。Although the first electrode 1121 of FIG. 1B extends from the touch area 110c2 to the edge area 110c1; in another example, the first electrode 1121 may not extend to the edge area 110c1, but the first signal line 1122 extends from the edge area 110c1 to the touch. The control region 110c2 is connected to the first electrode 1121.
透光膜111之外表面110s包括邊緣區110s1及觸控區110s2,觸控區110s2相對邊緣區110s1往導電基板120的方向凹陷,而形成凹陷結構113。另一例中,亦可省略凹陷結構113,使透光膜111的整個外表面110s係共平面。The outer surface 110s of the transparent film 111 includes an edge region 110s1 and a touch region 110s2. The touch region 110s2 is recessed toward the conductive substrate 120 with respect to the edge region 110s1 to form a recess structure 113. In another example, the recessed structure 113 may be omitted to make the entire outer surface 110s of the light transmissive film 111 coplanar.
第二訊號線1222崁入絕緣黏合件130內。絕緣黏合件130例如是雙面膠,其側向地延伸至與突出結構114接觸,以黏合導電膜110與導電基板120。本例中,絕緣黏合件130直接接觸第一導電層112及第二導電層122。一例中,絕緣黏合件130與突出結構114接觸的長度L1約2至3毫米,即可達到導電膜110與導電基板120之間不錯的黏合效果,然此數值範圍非用以限制本發明實施例,其 它實施例中,長度L1亦可更短或更長。The second signal line 1222 is inserted into the insulating adhesive member 130. The insulating adhesive member 130 is, for example, a double-sided tape that laterally extends into contact with the protruding structure 114 to bond the conductive film 110 and the conductive substrate 120. In this example, the insulating adhesive member 130 directly contacts the first conductive layer 112 and the second conductive layer 122. In one example, the length L1 of the insulating adhesive member 130 in contact with the protruding structure 114 is about 2 to 3 mm, which can achieve a good bonding effect between the conductive film 110 and the conductive substrate 120. However, the numerical range is not limited to the embodiment of the present invention. ,its In its embodiment, the length L1 can also be shorter or longer.
雖然第1B圖之第二電極1221從觸控區120c2延伸至邊緣區120c1,然另一例中(圖未繪示),第二電極1221可不延伸至邊緣區120c1,而是第二訊號線1222從邊緣區120c1延伸至觸控區120c2而與第二電極1221連接。Although the second electrode 1221 of FIG. 1B extends from the touch area 120c2 to the edge area 120c1, in another example (not shown), the second electrode 1221 may not extend to the edge area 120c1, but the second signal line 1222 The edge region 120c1 extends to the touch region 120c2 to be connected to the second electrode 1221.
請參照第2圖,其繪示依照本發明另一實施例之觸控面板的剖視圖。觸控面板200包括導電膜210、導電基板220及絕緣黏合件130。Please refer to FIG. 2, which is a cross-sectional view of a touch panel according to another embodiment of the present invention. The touch panel 200 includes a conductive film 210 , a conductive substrate 220 , and an insulating adhesive 130 .
導電膜210包括透光膜111、第一導電層112及第一絕緣層215。第一導電層112包括數個之第一電極1121及數條第一訊號線1122(圖中繪示單個第一電極1121及單條第一訊號線1122),其中第一絕緣層215形成於第一電極1121之邊緣區,而第一訊號線1122形成於第一絕緣層215上。藉由第一絕緣層215隔離第一訊號線1122與第一電極1121,可避免一些第一訊號線1122透過第一電極1121彼此電性短路。The conductive film 210 includes a light transmissive film 111, a first conductive layer 112, and a first insulating layer 215. The first conductive layer 112 includes a plurality of first electrodes 1121 and a plurality of first signal lines 1122 (a single first electrode 1121 and a single first signal line 1122 are illustrated), wherein the first insulating layer 215 is formed in the first The edge region of the electrode 1121, and the first signal line 1122 is formed on the first insulating layer 215. The first signal line 1122 and the first electrode 1121 are isolated by the first insulating layer 215, so that some of the first signal lines 1122 are electrically short-circuited to each other through the first electrode 1121.
導電基板220包括透光基板121、第二導電層122及第二絕緣層223。第二導電層122包括數個第二電極1221及數條第二訊號線1222(圖中繪示單個第二電極1221及單條第二訊號線1222),其中第二絕緣層223形成於第二電極1221之邊緣區120c1,而第二訊號線1222形成於第二絕緣層223上。藉由第二絕緣層223隔離第二訊號線1222與第二電極1221,可避免一些第二訊號線1222透過第二電極1221彼此電性短路。另一例中,導電膜210與導電基板220之一者的結構可相似於第1B圖中對應之導電膜110 或導電基板120的結構。The conductive substrate 220 includes a transparent substrate 121, a second conductive layer 122, and a second insulating layer 223. The second conductive layer 122 includes a plurality of second electrodes 1221 and a plurality of second signal lines 1222 (a single second electrode 1221 and a single second signal line 1222 are illustrated), wherein the second insulating layer 223 is formed on the second electrode. The edge region 120c1 of 1221 and the second signal line 1222 are formed on the second insulating layer 223. The second signal line 1222 and the second electrode 1221 are separated by the second insulating layer 223, so that some of the second signal lines 1222 are electrically short-circuited to each other through the second electrode 1221. In another example, the structure of one of the conductive film 210 and the conductive substrate 220 may be similar to the corresponding conductive film 110 in FIG. 1B. Or the structure of the conductive substrate 120.
相似地,透光膜111之觸控區110c2相對邊緣區110c1往導電基板120的方向突出而形成一突出結構114。進一步地說,藉由觸控區110c2往導電基板120的方向突出,可縮小導電膜110與導電基板120的間距S1,改善透光膜111突起、浮動的不良現象。Similarly, the touch region 110c2 of the transparent film 111 protrudes toward the conductive substrate 120 with respect to the edge region 110c1 to form a protruding structure 114. Further, by the protrusion of the touch region 110c2 in the direction of the conductive substrate 120, the distance S1 between the conductive film 110 and the conductive substrate 120 can be reduced, and the problem of protrusion and floating of the transparent film 111 can be improved.
請參照第3圖,其繪示依照一實施例之觸控顯示面板的剖視圖。觸控顯示面板10例如是電泳式顯示器、膽固醇液晶顯示器、液晶顯示器、雙穩態顯示器、多穩態顯示器、有機發光二極體(Organic Light-Emitting Diode,OLED)顯示器、發光二極體(Light-Emitting Diode,LED)顯示器或其它種類顯示面板。Please refer to FIG. 3 , which is a cross-sectional view of the touch display panel according to an embodiment. The touch display panel 10 is, for example, an electrophoretic display, a cholesteric liquid crystal display, a liquid crystal display, a bi-stable display, a multi-stable display, an Organic Light-Emitting Diode (OLED) display, and a light emitting diode (Light). -Emitting Diode, LED) display or other type of display panel.
觸控顯示面板10包括顯示面板12、外框14及觸控面板100或200。顯示面板12及觸控面板100容置於外框14內,其中顯示面板12與觸控面板100相對配置。The touch display panel 10 includes a display panel 12 , an outer frame 14 , and a touch panel 100 or 200 . The display panel 12 and the touch panel 100 are received in the outer frame 14 , wherein the display panel 12 is disposed opposite to the touch panel 100 .
綜上所述,雖然本發明已以實施例揭露如上,然其並非用以限定本發明。本發明所屬技術領域中具有通常知識者,在不脫離本發明之精神和範圍內,當可作各種之更動與潤飾。因此,本發明之保護範圍當視後附之申請專利範圍所界定者為準。In conclusion, the present invention has been disclosed in the above embodiments, but it is not intended to limit the present invention. A person skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.
10‧‧‧觸控顯示面板10‧‧‧Touch display panel
12‧‧‧顯示面板12‧‧‧ display panel
14‧‧‧外框14‧‧‧Front frame
100、200‧‧‧觸控面板100,200‧‧‧ touch panel
110、210‧‧‧導電膜110, 210‧‧‧ conductive film
110c、120c‧‧‧內表面110c, 120c‧‧‧ inner surface
110c1、110s1、120c1‧‧‧邊緣區110c1, 110s1, 120c1‧‧‧ marginal zone
110c2、110s2、120c2‧‧‧觸控區110c2, 110s2, 120c2‧‧‧ touch area
110s、120s‧‧‧外表面110s, 120s‧‧‧ outer surface
111‧‧‧透光膜111‧‧‧Transparent film
112‧‧‧第一導電層112‧‧‧First conductive layer
1121‧‧‧第一電極1121‧‧‧First electrode
1122‧‧‧第一訊號線1122‧‧‧First signal line
1123‧‧‧隔離溝槽1123‧‧‧Isolation trench
113‧‧‧凹陷結構113‧‧‧ recessed structure
114‧‧‧突出結構114‧‧‧Outstanding structure
120、220‧‧‧導電基板120, 220‧‧‧ conductive substrate
121‧‧‧透光基板121‧‧‧Transparent substrate
122‧‧‧第二導電層122‧‧‧Second conductive layer
1221‧‧‧第二電極1221‧‧‧second electrode
1222‧‧‧第二訊號線1222‧‧‧second signal line
130‧‧‧絕緣黏合件130‧‧‧Insulating adhesive parts
215‧‧‧第一絕緣層215‧‧‧First insulation
223‧‧‧第二絕緣層223‧‧‧Second insulation
D1‧‧‧第一方向D1‧‧‧ first direction
D2‧‧‧第二方向D2‧‧‧ second direction
L1‧‧‧長度L1‧‧‧ length
S1‧‧‧間距S1‧‧‧ spacing
第1A圖繪示依照本發明一實施例之觸控面板的分解圖。FIG. 1A is an exploded view of a touch panel according to an embodiment of the invention.
第1B圖繪示第1A圖之觸控面板組裝後沿方向1B-1B’ 的剖視圖。FIG. 1B illustrates the direction 1B-1B' of the touch panel assembled in FIG. 1A. Cutaway view.
第2圖繪示依照本發明另一實施例之觸控面板的剖視圖。2 is a cross-sectional view of a touch panel in accordance with another embodiment of the present invention.
第3圖繪示依照一實施例之觸控顯示面板的剖視圖。FIG. 3 is a cross-sectional view of the touch display panel according to an embodiment.
100‧‧‧觸控面板100‧‧‧ touch panel
110‧‧‧導電膜110‧‧‧Electrical film
110c1‧‧‧邊緣區110c1‧‧‧Edge area
110c2‧‧‧觸控區110c2‧‧‧ touch area
110s‧‧‧外表面110s‧‧‧ outer surface
110s1‧‧‧邊緣區110s1‧‧‧Edge area
110s2‧‧‧觸控區110s2‧‧‧ touch area
111‧‧‧透光膜111‧‧‧Transparent film
112‧‧‧第一導電層112‧‧‧First conductive layer
1121‧‧‧第一電極1121‧‧‧First electrode
1122‧‧‧第一訊號線1122‧‧‧First signal line
113‧‧‧凹陷結構113‧‧‧ recessed structure
114‧‧‧突出結構114‧‧‧Outstanding structure
120‧‧‧導電基板120‧‧‧Electrical substrate
120c1‧‧‧邊緣區120c1‧‧‧Edge area
120c2‧‧‧觸控區120c2‧‧‧ touch area
121‧‧‧透光基板121‧‧‧Transparent substrate
122‧‧‧第二導電層122‧‧‧Second conductive layer
1221‧‧‧第二電極1221‧‧‧second electrode
1222‧‧‧第二訊號線1222‧‧‧second signal line
130‧‧‧絕緣黏合件130‧‧‧Insulating adhesive parts
L1‧‧‧長度L1‧‧‧ length
S1‧‧‧間距S1‧‧‧ spacing
Claims (10)
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TW101140861A TWI476657B (en) | 2012-11-02 | 2012-11-02 | Touch panel and touch-display panel using the same |
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TW101140861A TWI476657B (en) | 2012-11-02 | 2012-11-02 | Touch panel and touch-display panel using the same |
Publications (2)
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TW201419059A TW201419059A (en) | 2014-05-16 |
TWI476657B true TWI476657B (en) | 2015-03-11 |
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TW101140861A TWI476657B (en) | 2012-11-02 | 2012-11-02 | Touch panel and touch-display panel using the same |
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TWI520026B (en) | 2013-04-23 | 2016-02-01 | 財團法人工業技術研究院 | Touch panel and manufacturing method thereof and touch display panel |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWM240642U (en) * | 2003-04-11 | 2004-08-11 | Toppoly Optoelectronics Corp | Touch panel |
US20120154302A1 (en) * | 2010-12-15 | 2012-06-21 | Sun-Haeng Cho | Flat panel display device with touch screen |
TW201239695A (en) * | 2011-03-24 | 2012-10-01 | Hannstar Display Corp | Touch display device |
TW201241693A (en) * | 2011-04-11 | 2012-10-16 | Gunze Kk | Touch panel device |
-
2012
- 2012-11-02 TW TW101140861A patent/TWI476657B/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWM240642U (en) * | 2003-04-11 | 2004-08-11 | Toppoly Optoelectronics Corp | Touch panel |
US20120154302A1 (en) * | 2010-12-15 | 2012-06-21 | Sun-Haeng Cho | Flat panel display device with touch screen |
TW201239695A (en) * | 2011-03-24 | 2012-10-01 | Hannstar Display Corp | Touch display device |
TW201241693A (en) * | 2011-04-11 | 2012-10-16 | Gunze Kk | Touch panel device |
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TW201419059A (en) | 2014-05-16 |
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