TWI594169B - Touch panel assembly and portable electronic device - Google Patents
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- TWI594169B TWI594169B TW105103964A TW105103964A TWI594169B TW I594169 B TWI594169 B TW I594169B TW 105103964 A TW105103964 A TW 105103964A TW 105103964 A TW105103964 A TW 105103964A TW I594169 B TWI594169 B TW I594169B
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Description
本發明是有關於一種觸控面板總成及可攜式電子裝置，且特別是有關於一種電容式觸控面板總成及應用此電容式觸控面板總成的可攜式電子裝置。The present invention relates to a touch panel assembly and a portable electronic device, and more particularly to a capacitive touch panel assembly and a portable electronic device using the capacitive touch panel assembly.
近年來，隨著資訊技術、無線行動通訊和資訊家電的快速發展與應用，為了達到更便利、體積更輕巧化以及更人性化的目的，許多資訊產品已由傳統之鍵盤或滑鼠等輸入裝置，轉變為使用觸控面板（Touch Panel）作為輸入裝置。In recent years, with the rapid development and application of information technology, wireless mobile communication and information appliances, many information products have been input devices such as traditional keyboards or mice for the purpose of being more convenient, lighter and more humanized. , changed to use a touch panel (Touch Panel) as an input device.
觸控面板依照感測形式的不同可大致上區分為電阻式觸控面板、電容式觸控面板、光學式觸控面板、聲波式觸控面板以及電磁式觸控面板。由於電容式觸控面板相較於其他類型的觸控面板具有反應時間快、可靠度佳以及解析度高（high definition）等優點，因此被廣泛地應用於各類手持電子裝置上。一般而言，電容式觸控面板是藉由相互交錯的多個電極來構成感測陣列，以達成面的感測。如此，當使用者以手指接觸觸控面板時，觸控面板會依據感測陣列上的電容變化來判斷手指接觸的位置。The touch panel can be roughly classified into a resistive touch panel, a capacitive touch panel, an optical touch panel, an acoustic wave touch panel, and an electromagnetic touch panel according to different sensing forms. Capacitive touch panels are widely used in various types of handheld electronic devices because of their advantages of fast response time, good reliability, and high definition compared with other types of touch panels. In general, a capacitive touch panel constitutes a sensing array by a plurality of electrodes interdigitated to achieve surface sensing. Thus, when the user touches the touch panel with a finger, the touch panel determines the position of the finger contact according to the change in capacitance on the sensing array.
然而，觸控面板的周邊線路或是電極的連接線路會佔用觸控面板上的佈線空間。並且，觸控面板的外圍也須保留接合區，使外部線路(如：軟性電路板)透過接合區電性連接到感測陣列，以輸入驅動訊號或輸出感測訊號。此外，目前業界通常會在手持電子裝置的周邊裝飾區域設置實體按鍵（physical key）。據此，當使用者按下實體按鍵時便能迅速開啟對應的常用功能，但此實體按鍵的配置亦會占用觸控面板外圍的佈線空間。However, the peripheral lines of the touch panel or the connection lines of the electrodes occupy the wiring space on the touch panel. Moreover, the periphery of the touch panel must also retain the bonding area, so that an external circuit (such as a flexible circuit board) is electrically connected to the sensing array through the bonding area to input a driving signal or output a sensing signal. In addition, the industry usually sets physical keys in the peripheral decorative area of the handheld electronic device. Accordingly, when the user presses the physical button, the corresponding common function can be quickly turned on, but the configuration of the physical button also occupies the wiring space around the touch panel.
本發明提供一種觸控面板總成，其利用觸控面板外圍的佈線空間配置實體按鍵。The present invention provides a touch panel assembly that utilizes a wiring space on a periphery of a touch panel to configure a physical button.
本發明提供一種可攜式電子裝置，應用前述觸控面板總成，以縮小可攜式電子裝置的整體尺寸。The present invention provides a portable electronic device that uses the touch panel assembly to reduce the overall size of the portable electronic device.
本發明的觸控面板總成包括一觸控面板與一軟性電路板結構。觸控面板包括一感測陣列、多個接墊及多條連接線。感測陣列包括多個感測單元。接墊設置於觸控面板的一接合區。接合區位於感測陣列的一側邊。連接線設置於感測陣列之外並分別電性連接感測單元至接墊以致能感測單元。軟性電路板結構包括多個搭接部及至少一按鍵部。搭接部延伸並設置於接合區。各搭接部包括多個端子，分別電性連接相應的接墊。按鍵部包括一按鍵線路。按鍵部設置於任兩相鄰的搭接部之間，且搭接部以及按鍵部實質上沿平行於側邊的方向配置。The touch panel assembly of the present invention includes a touch panel and a flexible circuit board structure. The touch panel includes a sensing array, a plurality of pads, and a plurality of connecting lines. The sensing array includes a plurality of sensing units. The pad is disposed on a joint area of the touch panel. The land is located on one side of the sensing array. The connecting lines are disposed outside the sensing array and electrically connected to the sensing unit to the pads to enable the sensing unit. The flexible circuit board structure includes a plurality of overlapping portions and at least one button portion. The lap extends and is disposed in the lands. Each of the lap joints includes a plurality of terminals electrically connected to the corresponding pads. The button portion includes a button line. The button portion is disposed between any two adjacent lap portions, and the lap portion and the button portion are disposed substantially in a direction parallel to the side edges.
本發明的可攜式電子裝置包括一殼體、一顯示模組、一觸控面板以及一軟性電路板結構。殼體具有一開口。主機模組設置於殼體內。顯示模組設置於殼體內，且開口暴露出顯示模組的一顯示面。觸控面板配置於顯示面上。觸控面板包括一感測陣列、多個接墊以及多條連接線。感測陣列包括多個感測單元。接墊設置於觸控面板的一接合區，其中接合區位於感測陣列的一側邊。連接線設置於感測陣列之外，並分別電性連接相應的感測單元至相應的接墊，以致能感測單元。軟性電路板結構包括多個搭接部以及至少一按鍵部。搭接部延伸並設置於接合區，各搭接部包括多個端子，分別電性連接相應的接墊。按鍵部包括一按鍵線路。按鍵部設置於任兩相鄰的搭接部之間，且搭接部以及按鍵部實質上沿平行於側邊的方向配置。The portable electronic device of the present invention comprises a casing, a display module, a touch panel and a flexible circuit board structure. The housing has an opening. The host module is disposed in the housing. The display module is disposed in the housing, and the opening exposes a display surface of the display module. The touch panel is disposed on the display surface. The touch panel includes a sensing array, a plurality of pads, and a plurality of connecting lines. The sensing array includes a plurality of sensing units. The pad is disposed on a bonding area of the touch panel, wherein the bonding area is located at one side of the sensing array. The connecting lines are disposed outside the sensing array, and are respectively electrically connected to the corresponding sensing units to the corresponding pads, so as to enable the sensing unit. The flexible circuit board structure includes a plurality of laps and at least one button portion. The lap joint extends and is disposed in the joint region, and each lap portion includes a plurality of terminals electrically connected to the corresponding pads. The button portion includes a button line. The button portion is disposed between any two adjacent lap portions, and the lap portion and the button portion are disposed substantially in a direction parallel to the side edges.
在本發明的一實施例中，上述的至少一按鍵部的數量為多個，按鍵部與搭接部實質上沿平行於側邊的方向彼此交錯配置。In an embodiment of the invention, the number of the at least one button portion is plural, and the button portion and the overlapping portion are substantially staggered with each other in a direction parallel to the side.
在本發明的一實施例中，上述的按鍵線路包括一第一按鍵電極圖案以及一第二按鍵電極圖案。In an embodiment of the invention, the button circuit includes a first button electrode pattern and a second button electrode pattern.
在本發明的一實施例中，上述的軟性電路板結構包括一第一軟性電路板以及一第二軟性電路板，第一軟性電路板包括按鍵部，第二軟性電路板包括搭接部，第一軟性電路板疊設於第二軟性電路板上。In an embodiment of the invention, the flexible circuit board structure includes a first flexible circuit board and a second flexible circuit board. The first flexible circuit board includes a button portion, and the second flexible circuit board includes a lap portion. A flexible circuit board is stacked on the second flexible circuit board.
在本發明的一實施例中，上述的軟性電路板結構更包括一屏蔽金屬層，至少設置於第一軟性電路板與第二軟性電路板彼此重疊的部分之間。In an embodiment of the invention, the flexible circuit board structure further includes a shielding metal layer disposed between at least a portion where the first flexible circuit board and the second flexible circuit board overlap each other.
在本發明的一實施例中，上述的第一軟性電路板更包括連接按鍵部的一第一連接部，按鍵部突出於第一連接部而延伸至接合區，第二軟性電路板更包括連接搭接部的一第二連接部，搭接部突出於第二連接部而延伸至接合區，第一連接部疊設於第二連接部上，並以使至少一按鍵部位於任兩相鄰的搭接部之間。In an embodiment of the invention, the first flexible circuit board further includes a first connecting portion connecting the button portions, the button portion protrudes from the first connecting portion and extends to the joint region, and the second flexible circuit board further includes a connection. a second connecting portion of the lap portion, the lap portion protrudes from the second connecting portion and extends to the joint portion, and the first connecting portion is overlapped on the second connecting portion, so that at least one button portion is located at any two adjacent portions Between the laps.
在本發明的一實施例中，上述的軟性電路板結構更包括平行於側邊的一彎折軸線，搭接部與至少一按鍵部分別位於彎折軸線的相對兩側，軟性電路板結構沿著彎折軸線彎折而使至少一按鍵部疊設於搭接部上，並使至少一按鍵部位於任兩相鄰的搭接部之間。In an embodiment of the invention, the flexible circuit board structure further includes a bending axis parallel to the side edges, and the lap portion and the at least one button portion are respectively located on opposite sides of the bending axis, and the flexible circuit board structure is along The bending axis is bent such that at least one button portion is superposed on the overlapping portion, and at least one button portion is located between any two adjacent overlapping portions.
在本發明的一實施例中，上述的軟性電路板結構更包括一屏蔽金屬層，至少設置於軟性電路板結構因彎折而彼此重疊的部分之間。In an embodiment of the invention, the flexible circuit board structure further includes a shielding metal layer disposed at least between portions of the flexible circuit board structure that overlap each other due to bending.
在本發明的一實施例中，上述的軟性電路板結構更包括一第一介電層、一搭接線路層、一第二介電層、一按鍵線路層、一第三介電層、至少一第一開口以及多個第二開口，搭接線路層設置於第一介電層上，第二介電層設置於搭接線路層上，按鍵線路層設置於第二介電層上，第三介電層設置於按鍵線路層上，至少一第一開口暴露部分按鍵線路層，以形成按鍵部，第二開口暴露部分搭接線路層，以形成搭接部。In an embodiment of the invention, the flexible circuit board structure further includes a first dielectric layer, a lap line layer, a second dielectric layer, a button circuit layer, a third dielectric layer, and at least a first opening and a plurality of second openings, the overlapping circuit layer is disposed on the first dielectric layer, the second dielectric layer is disposed on the overlapping circuit layer, and the key circuit layer is disposed on the second dielectric layer, The three dielectric layers are disposed on the key circuit layer, at least one first opening exposes a portion of the key circuit layer to form a button portion, and the second opening exposes a portion of the overlapping circuit layer to form a lap portion.
在本發明的一實施例中，上述的軟性電路板結構更包括一屏蔽金屬層以及一第四介電層，屏蔽金屬層設置於第四介電層上並位於搭接線路層與按鍵線路層之間，第四介電層設置於屏蔽金屬層與搭接線路層之間，屏蔽金屬層以及第四介電層暴露搭接部。In an embodiment of the invention, the flexible circuit board structure further includes a shielding metal layer and a fourth dielectric layer. The shielding metal layer is disposed on the fourth dielectric layer and is located on the overlapping circuit layer and the key circuit layer. The fourth dielectric layer is disposed between the shielding metal layer and the overlapping circuit layer, and the shielding metal layer and the fourth dielectric layer expose the overlapping portion.
基於上述，本發明的可攜式電子裝置將其按鍵部設置於觸控面板總成的軟性電路板結構上，並且，軟性電路板結構的按鍵部與搭接部沿平行於觸控陣列的側邊的方向配置並連接至觸控面板的接合區，且按鍵部設置於任兩相鄰的搭接部之間。如上述之配置，本發明的可攜式電子裝置之按鍵部可與搭接部共同配置於觸控面板的配線區，因而可節省觸控面板的佈線空間。藉此，觸控面板的外圍佈線空間可有效地被利用。除此之外，本發明亦可提高應用此觸控面板總成的可攜式電子裝置的空間利用度，以縮小可攜式電子裝置的整體尺寸。Based on the above, the portable electronic device of the present invention has its button portion disposed on the flexible circuit board structure of the touch panel assembly, and the button portion and the lap portion of the flexible circuit board structure are parallel to the side of the touch array. The side direction is disposed and connected to the joint area of the touch panel, and the button portion is disposed between any two adjacent overlapping portions. As described above, the button portion of the portable electronic device of the present invention can be disposed in the wiring area of the touch panel together with the lap portion, thereby saving the wiring space of the touch panel. Thereby, the peripheral wiring space of the touch panel can be effectively utilized. In addition, the present invention can also improve the space utilization of the portable electronic device using the touch panel assembly to reduce the overall size of the portable electronic device.
為讓本發明的上述特徵和優點能更明顯易懂，下文特舉實施例，並配合所附圖式作詳細說明如下。The above described features and advantages of the invention will be apparent from the following description.
圖1是依照本發明的一實施例的一種可攜式電子裝置的立體示意圖。圖2是依照本發明的一實施例的一種觸控面板的上視圖。圖3是依照本發明的一實施例的一種觸控面板總成的局部上視示意圖。本實施例的可攜式電子裝置10可如圖1所示之為一智慧型手機(smart phone)，當然，本實施例僅用以舉例說明，在其他實施例中，本發明的可攜式電子裝置10亦可為平板電腦(tablet PC)或電子書(eBook)等具有觸控功能的可攜式電子裝置。請同時參照圖1至圖3，本實施例的可攜式電子裝置10包括殼體12、顯示模組14、透明蓋板16、軟性電路板結構100以及觸控面板200。殼體12如圖1所示之具有一開口12a。顯示模組14設置於殼體12內，且開口12a暴露出顯示模組14的一顯示面14a。如圖2所示之觸控面板100可配置於顯示面14a上，而軟性電路板結構100則適於受彎折以電性連接觸控面板200與可攜式電子裝置10的一主機模組。透明蓋板16配置於觸控面板200上，並覆蓋殼體12的開口12a。透明蓋板16具有至少一透光圖案16a，此透光圖案可作為可攜式電子裝置10的按鍵圖案。FIG. 1 is a perspective view of a portable electronic device according to an embodiment of the invention. 2 is a top view of a touch panel in accordance with an embodiment of the present invention. 3 is a partial top plan view of a touch panel assembly in accordance with an embodiment of the invention. The portable electronic device 10 of the present embodiment can be a smart phone as shown in FIG. 1. The embodiment is only for exemplification. In other embodiments, the portable device of the present invention. The electronic device 10 can also be a portable electronic device with a touch function such as a tablet PC or an eBook. Referring to FIG. 1 to FIG. 3 , the portable electronic device 10 of the present embodiment includes a housing 12 , a display module 14 , a transparent cover 16 , a flexible circuit board structure 100 , and a touch panel 200 . The housing 12 has an opening 12a as shown in FIG. The display module 14 is disposed in the housing 12, and the opening 12a exposes a display surface 14a of the display module 14. The touch panel 100 as shown in FIG. 2 can be disposed on the display surface 14a, and the flexible circuit board structure 100 is adapted to be flexibly connected to electrically connect the touch panel 200 and a host module of the portable electronic device 10. . The transparent cover 16 is disposed on the touch panel 200 and covers the opening 12 a of the housing 12 . The transparent cover 16 has at least one transparent pattern 16a, and the transparent pattern can be used as a button pattern of the portable electronic device 10.
在本實施例中，上述的軟性電路板結構100與上述的觸控面板200可組成如圖3所示的觸控面板總成50。觸控面板200如圖2所示包括一感測陣列210、多個接墊220及多條連接線230。感測陣列210包括多個感測單元212。感測單元212透過多條導線彼此串連而形成多條感測串列。如此，當使用者以手指接觸觸控面板200時，觸控面板200會在手指所接觸的位置上產生感測串列之間的電容改變，此電容上的改變會轉換為控制訊號傳送至外部電路，並經運算處理而輸出適當的指令以操作可攜式電子裝置10。接墊220設置於觸控面板200的一接合區R1，其中，接合區R1位於感測陣列210的一側邊S1。連接線230設置於感測陣列210之外，並分別電性連接感測單元212至接墊220以致能感測單元212。In the embodiment, the flexible circuit board structure 100 and the touch panel 200 described above may constitute the touch panel assembly 50 as shown in FIG. As shown in FIG. 2 , the touch panel 200 includes a sensing array 210 , a plurality of pads 220 , and a plurality of connecting lines 230 . The sensing array 210 includes a plurality of sensing units 212. The sensing unit 212 forms a plurality of sensing series by connecting a plurality of wires in series with each other. In this way, when the user touches the touch panel 200 with a finger, the touch panel 200 generates a capacitance change between the sensing series at a position where the finger touches, and the change in the capacitance is converted into a control signal and transmitted to the outside. The circuit is processed and output to execute the appropriate instructions to operate the portable electronic device 10. The pad 220 is disposed on a bonding area R1 of the touch panel 200 , wherein the bonding area R1 is located at one side S1 of the sensing array 210 . The connecting wires 230 are disposed outside the sensing array 210 and electrically connected to the sensing unit 212 to the pads 220 to enable the sensing unit 212.
詳細而言，請參照圖2，接墊220可包括多個第一接墊222、多個第二接墊224、多個第三接墊226及多個第四接墊228，皆設置於觸控面板200的接合區R1。連接線230可包括多條第一連接線232、多條第二連接線234、多條第三連接線236以及多條第四連接線238，其中，第一連接線232設置於觸控面板200的側邊S2，以將位於觸控面板200的下區塊210b內的感測單元212電性連接至對應的第一接墊222，第二連接線234則設置於觸控面板200的側邊S3，以將位於觸控面板200的上區塊210a內的感測單元212電性連接至對應的第二接墊224。如此，本實施例將感測單元212分為兩個區塊210a、210b，並透過位於兩側邊S2、S3的連接線232、234分別連接至對應的接墊222、224，可節省連接線230在觸控面板200上的佈線空間。相似地，第三連接線236及第四連接線238設置於觸控面板200的側邊S1，以將位於側邊S1的感測單元212分別電性連接至對應的第三接墊226及第四接墊228。In detail, referring to FIG. 2 , the pad 220 may include a plurality of first pads 222 , a plurality of second pads 224 , a plurality of third pads 226 , and a plurality of fourth pads 228 . The junction area R1 of the control panel 200. The connection line 230 can include a plurality of first connection lines 232 , a plurality of second connection lines 234 , a plurality of third connection lines 236 , and a plurality of fourth connection lines 238 . The first connection lines 232 are disposed on the touch panel 200 . The side S2 is electrically connected to the sensing unit 212 located in the lower block 210b of the touch panel 200 to the corresponding first pad 222, and the second connecting line 234 is disposed on the side of the touch panel 200. S3, the sensing unit 212 located in the upper block 210a of the touch panel 200 is electrically connected to the corresponding second pad 224. Thus, in this embodiment, the sensing unit 212 is divided into two blocks 210a and 210b, and connected to the corresponding pads 222 and 224 through the connecting lines 232 and 234 located at the two sides S2 and S3, respectively, thereby saving the connecting line. 230 wiring space on the touch panel 200. Similarly, the third connecting line 236 and the fourth connecting line 238 are disposed on the side S1 of the touch panel 200 to electrically connect the sensing unit 212 at the side S1 to the corresponding third pad 226 and the second Four pads 228.
請參照圖2以及圖3，軟性電路板結構100包括至少一按鍵部112以及多個搭接部122。搭接部122延伸並設置於觸控面板200的接合區R1。各搭接部122包括多個端子122a，以分別與接合區R1中相應的接墊220電性連接。按鍵部112設置於任兩相鄰的搭接部122之間，且搭接部122與按鍵部112實質上沿平行於側邊S1的方向配置。在本實施例中，上述的按鍵部112的數量可為多個（繪示為三個），且按鍵部112與搭接部122實質上沿平行於側邊S1的方向而彼此交錯配置。舉例而言，如圖3所示的三個按鍵部112可分別設置於如圖2所示的第一接墊222與第二接墊224之間、第二接墊224與第三接墊226之間以及第三接墊226與第四接墊228之間。當然，本實施例僅用以舉例說明，本發明並不限制按鍵部112的數量，只要按鍵部112設置於任兩相鄰的搭接部122之間，並與搭接部122共同沿平行於側邊S1的方向配置即可。此外，此按鍵部112將作為實體按鍵（physical key）。此按鍵部112不同於由顯示器所顯示的虛擬按鍵(Virtual key)。Referring to FIGS. 2 and 3 , the flexible circuit board structure 100 includes at least one button portion 112 and a plurality of overlapping portions 122 . The lap portion 122 extends and is disposed on the joint region R1 of the touch panel 200. Each of the laps 122 includes a plurality of terminals 122a to be electrically connected to corresponding pads 220 in the land R1. The button portion 112 is disposed between any two adjacent overlapping portions 122, and the overlapping portion 122 and the button portion 112 are disposed substantially in a direction parallel to the side S1. In this embodiment, the number of the button portions 112 may be plural (illustrated as three), and the button portion 112 and the overlapping portion 122 are substantially staggered with each other in a direction parallel to the side S1. For example, the three button portions 112 as shown in FIG. 3 can be respectively disposed between the first pad 222 and the second pad 224 as shown in FIG. 2, and the second pad 224 and the third pad 226. Between the third pad 226 and the fourth pad 228. Of course, the present embodiment is only for exemplification, and the present invention does not limit the number of the button portions 112 as long as the button portion 112 is disposed between any two adjacent lap portions 122 and is parallel with the lap portion 122. The direction of the side S1 can be configured. In addition, this button portion 112 will function as a physical key. This button portion 112 is different from the virtual key displayed by the display.
在這樣的結構配置下，本發明將按鍵部112設置於任兩相鄰的搭接部122之間，使可攜式電子裝置10的按鍵部112可配置於觸控面板200的配線區可節省連接線230在觸控面板200上的佈線空間。藉此，觸控面板200的外圍佈線空間可有效地被利用，使得觸控面板200的佈線更為緊密。此外，本發明更可提高應用此觸控面板總成50的可攜式電子裝置10的空間利用度，並有助於縮小可攜式電子裝置10的整體尺寸，且能提供由按鍵部112所構成的實體按鍵。In this configuration, the button portion 112 is disposed between any two adjacent overlapping portions 122, so that the button portion 112 of the portable electronic device 10 can be disposed in the wiring area of the touch panel 200. The wiring space of the connection line 230 on the touch panel 200. Thereby, the peripheral wiring space of the touch panel 200 can be effectively utilized, so that the wiring of the touch panel 200 is more compact. In addition, the present invention can improve the space utilization of the portable electronic device 10 using the touch panel assembly 50, and help to reduce the overall size of the portable electronic device 10, and can be provided by the button portion 112. The physical button that is formed.
具體而言，按鍵部112可包括一按鍵線路。在本實施例中，詳細來說，按鍵部112可作為智慧型手機的實體按鍵（physical key），其按鍵線路可包括一第一按鍵電極圖案112a以及一第二按鍵電極圖案112b，以在使用者以手指按壓按鍵部112時使第一按鍵電極圖案112a與第二按鍵電極圖案112b之間發生電容改變，並據此產生控制訊號。當然，在其他實施例中，按鍵部112亦可為光感應按鍵(light sensitive key)、應力感應按鍵(strength sensitive key)等，本發明並不限定按鍵部112的種類及其產生控制訊號的方法。按鍵部112可例如位於圖1所示的透光圖案16a的正下方，且各個按鍵部112可具有不同的功能，其例如為回到上一頁或回到主畫面功能，讓使用者可透過觸碰透光圖案16a而產生對應的控制訊號，以控制可攜式電子裝置10執行對應的功能。Specifically, the button portion 112 may include a button line. In this embodiment, in detail, the button portion 112 can be used as a physical key of the smart phone, and the button line can include a first button electrode pattern 112a and a second button electrode pattern 112b for use. When the button portion 112 is pressed by the finger, a capacitance change occurs between the first button electrode pattern 112a and the second button electrode pattern 112b, and a control signal is generated accordingly. In other embodiments, the button portion 112 may also be a light sensitive key, a strength sensitive key, or the like. The present invention does not limit the type of the button portion 112 and the method for generating the control signal. . The button portion 112 can be located, for example, directly below the light transmissive pattern 16a shown in FIG. 1, and each of the button portions 112 can have different functions, such as returning to the previous page or returning to the main screen function, so that the user can pass through The corresponding control signal is generated by touching the transparent pattern 16a to control the portable electronic device 10 to perform a corresponding function.
在此須說明的是，本發明的軟性電路板結構100可包括多種不同的實施態樣，其皆可達到按鍵部112位於任兩相鄰的搭接部122之間並與搭接部122沿平行於側邊S1的方向配置的效果。以下將列舉其中三種實施態樣做詳細說明，但本發明的實施方式並不侷限於此。It should be noted that the flexible circuit board structure 100 of the present invention may include a plurality of different implementations, such that the button portion 112 is located between any two adjacent lap portions 122 and along the lap portion 122. The effect of being arranged parallel to the direction of the side S1. The three embodiments will be described in detail below, but the embodiments of the present invention are not limited thereto.
圖4是依照本發明的一實施例的一種軟性電路板結構的元件分解示意圖。在本實施例中，軟性電路板結構100可包括一第一軟性電路板110、一第二軟性電路板120以及一屏蔽金屬層，第一軟性電路板110包括前述的按鍵部112，而第二軟性電路板122則包括前述的搭接部122，第一軟性電路板110疊設於第二軟性電路板120上，以使按鍵部112設置於任兩相鄰的搭接部122之間，且搭接部122與按鍵部112實質上沿平行於側邊S1的方向配置。並且，屏蔽金屬層至少設置於第一軟性電路板110與第二軟性電路板120彼此重疊的部分之間，以降低第一軟性電路板110與第二軟性電路板120之間的電磁耦合效應。更詳細而言，屏蔽金屬層可以是第一軟性電路板110的一部分或是第二軟性電路板120的一部分。屏蔽金屬層也可以是獨立於第一軟性電路板110與第二軟性電路板120。4 is an exploded perspective view of a flexible circuit board structure in accordance with an embodiment of the present invention. In this embodiment, the flexible circuit board structure 100 can include a first flexible circuit board 110, a second flexible circuit board 120, and a shielding metal layer. The first flexible circuit board 110 includes the aforementioned button portion 112, and the second The flexible circuit board 122 includes the aforementioned lap portion 122. The first flexible circuit board 110 is stacked on the second flexible circuit board 120 such that the button portion 112 is disposed between any two adjacent lap portions 122, and The lap portion 122 and the button portion 112 are disposed substantially in a direction parallel to the side S1. Moreover, the shielding metal layer is disposed at least between the portions of the first flexible circuit board 110 and the second flexible circuit board 120 that overlap each other to reduce the electromagnetic coupling effect between the first flexible circuit board 110 and the second flexible circuit board 120. In more detail, the shielding metal layer may be part of the first flexible circuit board 110 or part of the second flexible circuit board 120. The shielding metal layer may also be independent of the first flexible circuit board 110 and the second flexible circuit board 120.
詳細而言，第一軟性電路板110更可包括連接按鍵部112的一第一連接部114，按鍵部112分別突出於第一連接部114而延伸至觸控面板200的接合區R1。相似地，第二軟性電路板120可包括連接搭接部122的一第二連接部124，搭接部122分別突出於第二連接部124而延伸至觸控面板200的接合區R1，第一連接部114疊設於第二連接部124上，以使按鍵部112位於任兩相鄰的搭接部122之間。也就是說，本實施例是將具有按鍵部112的第一軟性電路板110疊設於具有搭接部122的第二軟性電路板120上，以使按鍵部112位於任兩相鄰的搭接部122之間，且按鍵部112與搭接部122可共線地配置於觸控面板200的側邊S1而形成如圖3所示的軟性電路板結構100。In detail, the first flexible circuit board 110 further includes a first connecting portion 114 connecting the button portions 112 , and the button portions 112 respectively protrude from the first connecting portion 114 and extend to the joint region R1 of the touch panel 200 . Similarly, the second flexible circuit board 120 may include a second connecting portion 124 connecting the overlapping portions 122. The overlapping portions 122 respectively protrude from the second connecting portion 124 and extend to the joint region R1 of the touch panel 200. The connecting portion 114 is superposed on the second connecting portion 124 such that the button portion 112 is located between any two adjacent overlapping portions 122. That is, in this embodiment, the first flexible circuit board 110 having the button portion 112 is stacked on the second flexible circuit board 120 having the lap portion 122, so that the button portion 112 is located at any two adjacent laps. Between the portions 122, the button portion 112 and the lap portion 122 are collinearly disposed on the side S1 of the touch panel 200 to form the flexible circuit board structure 100 as shown in FIG.
此外，軟性電路板結構100的下方可如圖3所示具有一線路淨空區A1，天線模組設置於此線路淨空區A1，故此區域的線路須淨空，也就是軟性電路板結構100須繞過此區域，且此軟性電路板結構100或其他線路與天線模組至少維持一特定距離，以降低對天線模組造成電磁耦合的影響。因此，在本實施例中，軟性電路板結構100的配置需繞過此線路淨空區A1。In addition, the flexible circuit board structure 100 can have a line clearance area A1 as shown in FIG. 3, and the antenna module is disposed in the line clearance area A1. Therefore, the line in this area must be cleaned, that is, the flexible circuit board structure 100 must be bypassed. In this area, the flexible circuit board structure 100 or other lines are maintained at least a certain distance from the antenna module to reduce the electromagnetic coupling effect on the antenna module. Therefore, in the present embodiment, the configuration of the flexible circuit board structure 100 needs to bypass the line clearance area A1.
圖5是依照本發明的另一實施例的一種軟性電路板結構彎折前的示意圖。圖6是圖5的軟性電路板結構彎折後的示意圖。在此必須說明的是，本實施例之軟性電路板結構100a與圖3及圖4之軟性電路板結構100相似，因此，本實施例沿用前述實施例的元件標號與部分內容，其中採用相同的標號來表示相同或近似的元件，並且省略了相同技術內容的說明。關於省略部分的說明可參考前述實施例，本實施例不再重複贅述。請同時參照圖5及圖6，以下將針對本實施例之軟性電路板結構100a與圖3及圖4之軟性電路板結構100的差異做說明。FIG. 5 is a schematic view of a flexible circuit board structure before being bent according to another embodiment of the present invention. Fig. 6 is a schematic view showing the flexible circuit board structure of Fig. 5 after being bent. It should be noted that the flexible circuit board structure 100a of the present embodiment is similar to the flexible circuit board structure 100 of FIGS. 3 and 4, and therefore, the present embodiment uses the component numbers and parts of the foregoing embodiments, wherein the same is used. The reference numerals are given to the same or similar elements, and the description of the same technical content is omitted. For the description of the omitted part, reference may be made to the foregoing embodiment, and the description is not repeated herein. Referring to FIG. 5 and FIG. 6, the difference between the flexible circuit board structure 100a of the present embodiment and the flexible circuit board structure 100 of FIGS. 3 and 4 will be described below.
在本實施例中，軟性電路板結構100a可為一體成型的結構，其包括平行於側邊S1的一彎折軸線L1，搭接部122與按鍵部112分別位於彎折軸線L1的相對兩側。軟性電路板結構100a沿著彎折軸線L1彎折而使按鍵部112位於任兩相鄰的搭接部122之間。也就是說，本實施例是將搭接部122與按鍵部112分別設置於軟性電路板結構100a的相對兩側，再將軟性電路板結構100a沿彎折軸線L1對折而使按鍵部112疊設於任兩相鄰的搭接部122之間。並且，軟性電路板結構100a更可包括一屏蔽金屬層，其至少設置於軟性電路板結構100a因彎折而彼此重疊的部分之間，以降低軟性電路板結構100a彼此重疊的部分之間的電磁耦合效應。In this embodiment, the flexible circuit board structure 100a may be an integrally formed structure including a bending axis L1 parallel to the side S1, and the overlapping portion 122 and the button portion 112 are respectively located on opposite sides of the bending axis L1. . The flexible circuit board structure 100a is bent along the bending axis L1 such that the button portion 112 is positioned between any two adjacent overlapping portions 122. That is, in this embodiment, the lap portion 122 and the button portion 112 are respectively disposed on opposite sides of the flexible circuit board structure 100a, and the flexible circuit board structure 100a is folded in the same direction along the bending axis L1 to overlap the button portion 112. Between any two adjacent laps 122. Moreover, the flexible circuit board structure 100a may further include a shielding metal layer disposed at least between the portions of the flexible circuit board structure 100a that overlap each other due to bending to reduce the electromagnetic between the portions of the flexible circuit board structure 100a that overlap each other. Coupling effect.
此外，軟性電路板結構100a更可包括一線路淨空區A1，天線模組設置於此線路淨空區A1，故線路淨空區A1內的線路須淨空。在本實施例中，線路淨空區A1可與軟性電路板結構100a部分重疊，在此情況下，軟性電路板結構100a上的線路須繞過此區域，也就是說，軟性電路板結構100a與線路淨空區A1彼此重疊的重疊區域A2的線路須淨空，並與天線模組至少維持一特定距離，以降低對天線模組的電磁耦合影響。In addition, the flexible circuit board structure 100a may further include a line clearance area A1, and the antenna module is disposed in the line clearance area A1, so the line in the line clearance area A1 shall be clear. In the present embodiment, the line clearance area A1 may partially overlap the flexible circuit board structure 100a. In this case, the line on the flexible circuit board structure 100a has to bypass this area, that is, the flexible circuit board structure 100a and the line. The lines of the overlapping area A2 in which the clearance areas A1 overlap each other must be cleaned and maintained at least a certain distance from the antenna module to reduce the electromagnetic coupling effect on the antenna module.
圖7是依照本發明的另一實施例的一種軟性電路板結構的上視示意圖。圖8是圖7的軟性電路板結構沿線I-I的局部剖面示意圖。在此必須說明的是，本實施例之軟性電路板結構100b與圖3及圖4之軟性電路板結構100相似，因此，本實施例沿用前述實施例的元件標號與部分內容，其中採用相同的標號來表示相同或近似的元件，並且省略了相同技術內容的說明。關於省略部分的說明可參考前述實施例，本實施例不再重複贅述。請同時參照圖7及圖8，以下將針對本實施例之軟性電路板結構100b與圖3及圖4之軟性電路板結構100的差異做說明。Figure 7 is a top plan view of a flexible circuit board structure in accordance with another embodiment of the present invention. Figure 8 is a partial cross-sectional view of the flexible circuit board structure of Figure 7 taken along line I-I. It should be noted that the flexible circuit board structure 100b of the present embodiment is similar to the flexible circuit board structure 100 of FIGS. 3 and 4, and therefore, the present embodiment follows the component numbers and parts of the foregoing embodiments, wherein the same is used. The reference numerals are given to the same or similar elements, and the description of the same technical content is omitted. For the description of the omitted part, reference may be made to the foregoing embodiment, and the description is not repeated herein. Referring to FIG. 7 and FIG. 8 together, the difference between the flexible circuit board structure 100b of the present embodiment and the flexible circuit board structure 100 of FIGS. 3 and 4 will be described below.
在本實施例中，軟性電路板結構100b可為一多層板結構，其可如圖8所示之包括一第一介電層122b、一搭接線路層122a、一第二介電層112c、一按鍵線路層112a/112b以及一第三介電層140。進一步而言，軟性電路板結構100b更可包括一屏蔽疊構層130，其包括一第四介電層134及一屏蔽金屬層132並夾設於按鍵線路層112a/112b與搭接線路層122a之間。詳細來說，搭接線路層122a疊設於第一介電層112b上，第四介電層134則設置於搭接線路層122a上，屏蔽金屬層132再設置於第四介電層134上，以使屏蔽金屬層132位於搭接線路層122a與按鍵線路層112a/112b之間。第二介電層112c疊設於屏蔽金屬層132上，而按鍵線路層112a/112b則設置於第二介電層112c上，第三介電層140再設置於按鍵線路層112a/112b上。並且，軟性電路板結構100b更可包括至少一第一開口160以及多個第二開口150。第一開口160暴露部分按鍵線路層112a/112b，以形成按鍵部112，而第二開口150則暴露部分搭接線路層122a，以形成搭接部122。In this embodiment, the flexible circuit board structure 100b can be a multi-layer board structure, which can include a first dielectric layer 122b, a lap line layer 122a, and a second dielectric layer 112c as shown in FIG. a button circuit layer 112a/112b and a third dielectric layer 140. Further, the flexible circuit board structure 100b further includes a shielding layer 130 including a fourth dielectric layer 134 and a shielding metal layer 132 and sandwiched between the key circuit layers 112a/112b and the overlapping circuit layer 122a. between. In detail, the lap line layer 122a is stacked on the first dielectric layer 112b, the fourth dielectric layer 134 is disposed on the lap line layer 122a, and the shield metal layer 132 is disposed on the fourth dielectric layer 134. So that the shielding metal layer 132 is located between the overlapping wiring layer 122a and the key wiring layers 112a/112b. The second dielectric layer 112c is disposed on the shielding metal layer 132, and the key circuit layer 112a/112b is disposed on the second dielectric layer 112c, and the third dielectric layer 140 is disposed on the key circuit layer 112a/112b. Moreover, the flexible circuit board structure 100b may further include at least one first opening 160 and a plurality of second openings 150. The first opening 160 exposes a portion of the button wiring layer 112a/112b to form the button portion 112, and the second opening 150 exposes the portion of the overlapping wiring layer 122a to form the lap portion 122.
簡單來說，本實施例的軟性電路板結構100b為包括按鍵線路層112a/112b與搭接線路層122a的多層板結構，其透過第一開口160與第二開口150分別暴露部分的按鍵線路層112a/112b與搭接線路層122a，以形成暴露於外的按鍵部112與搭接部122，且第一開口160位於任兩相鄰的第二開口150之間，以使按鍵部112位於任兩相鄰的搭接部122之間，且按鍵部112與搭接部122沿平行於觸控面板200的側邊S1的方向配置而形成如圖7所示的軟性電路板結構100b。In brief, the flexible circuit board structure 100b of the present embodiment is a multi-layer board structure including a key line layer 112a/112b and a lap line layer 122a, which exposes a part of the key circuit layer through the first opening 160 and the second opening 150, respectively. 112a/112b and the overlapping circuit layer 122a to form the exposed button portion 112 and the overlapping portion 122, and the first opening 160 is located between any two adjacent second openings 150, so that the button portion 112 is located Between the two adjacent lap portions 122, and the button portion 112 and the lap portion 122 are arranged in a direction parallel to the side S1 of the touch panel 200 to form a flexible circuit board structure 100b as shown in FIG.
此外，本實施例的軟性電路板結構100b的下方亦可如圖7所示具有一線路淨空區A1，天線模組設置於此線路淨空區A1，故此區域的線路須淨空，也就是軟性電路板結構100b須繞過此區域，且軟性電路板結構100b與天線模組至少維持一特定距離，以降低對天線模組的電磁耦合影響。因此，在本實施例中，軟性電路板結構100b的配置需繞過此線路淨空區A1。In addition, the flexible circuit board structure 100b of the present embodiment may also have a line clearance area A1 as shown in FIG. 7, and the antenna module is disposed in the line clearance area A1, so the line in this area shall be cleaned, that is, a flexible circuit board. The structure 100b must bypass this area, and the flexible circuit board structure 100b and the antenna module maintain at least a certain distance to reduce the electromagnetic coupling effect on the antenna module. Therefore, in the present embodiment, the configuration of the flexible circuit board structure 100b needs to bypass the line clearance area A1.
綜上所述，本發明將可攜式電子裝置的按鍵部設置於觸控面板總成的軟性電路板結構上，軟性電路板結構的按鍵部與搭接部沿平行於觸控陣列的側邊的方向配置並連接至觸控面板的接合區，且按鍵部設置於任兩相鄰的搭接部之間。如此，本發明的可攜式電子裝置的按鍵部可與搭接部共同配置於觸控面板的配線區，因而可節省觸控面板的佈線空間。藉此，觸控面板的外圍佈線空間可有效地被利用，使得觸控面板的佈線更為緊密。此外，本發明更可提高應用此觸控面板總成的可攜式電子裝置的空間利用度，並有助於縮小可攜式電子裝置的整體尺寸，且具有由按鍵部所構成的實體按鍵。In summary, the present invention sets the button portion of the portable electronic device on the flexible circuit board structure of the touch panel assembly, and the button portion and the lap portion of the flexible circuit board structure are parallel to the side of the touch array. The direction is configured and connected to the joint area of the touch panel, and the button portion is disposed between any two adjacent overlapping portions. In this way, the button portion of the portable electronic device of the present invention can be disposed in the wiring area of the touch panel together with the lap portion, thereby saving the wiring space of the touch panel. Thereby, the peripheral wiring space of the touch panel can be effectively utilized, so that the wiring of the touch panel is more compact. In addition, the present invention can improve the space utilization of the portable electronic device using the touch panel assembly, and help to reduce the overall size of the portable electronic device, and has a physical button formed by the button portion.
雖然本發明已以實施例揭露如上，然其並非用以限定本發明，任何所屬技術領域中具有通常知識者，在不脫離本發明的精神和範圍內，當可作些許的更動與潤飾，故本發明的保護範圍當視後附的申請專利範圍所界定者為準。Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.
10‧‧‧可攜式電子裝置
12‧‧‧殼體
12a‧‧‧開口
14‧‧‧顯示模組
14a‧‧‧顯示面
16‧‧‧透明蓋板
16a‧‧‧透光圖案
50‧‧‧觸控面板總成
100、100a、100b‧‧‧軟性電路板結構
110‧‧‧第一軟性電路板
112‧‧‧按鍵部
112a‧‧‧第一按鍵電極圖案、按鍵線路層
112b‧‧‧第二按鍵電極圖案、按鍵線路層
112c‧‧‧第二介電層
114‧‧‧第一連接部
120‧‧‧第二軟性電路板
122‧‧‧搭接部
122a‧‧‧端子、搭接線路層
122b‧‧‧第一介電層
124‧‧‧第二連接部
130‧‧‧屏蔽疊構層130
132‧‧‧屏蔽金屬層
134‧‧‧第四介電層
140‧‧‧第三介電層
150‧‧‧第二開口
160‧‧‧第一開口
200‧‧‧觸控面板
210‧‧‧感測陣列
210a‧‧‧上區塊
210b‧‧‧下區塊
212‧‧‧感測單元
220‧‧‧接墊
222‧‧‧第一接墊
224‧‧‧第二接墊
226‧‧‧第三接墊
228‧‧‧第四接墊
230‧‧‧連接線
232‧‧‧第一連接線
234‧‧‧第二連接線
236‧‧‧第三連接線
238‧‧‧第四連接線
A1‧‧‧線路淨空區
A2‧‧‧重疊區域
L1‧‧‧彎折軸線
R1‧‧‧接合區
S1、S2、S3‧‧‧側邊10‧‧‧Portable electronic devices
12‧‧‧ housing
12a‧‧‧ openings
14‧‧‧Display module
14a‧‧‧ Display surface
16‧‧‧Transparent cover
16a‧‧‧Light pattern
50‧‧‧Touch panel assembly
100, 100a, 100b‧‧‧ flexible circuit board structure
110‧‧‧First flexible circuit board
112‧‧‧Keys
112a‧‧‧First button electrode pattern, button circuit layer
112b‧‧‧Second button electrode pattern, button circuit layer
112c‧‧‧Second dielectric layer
114‧‧‧First connection
120‧‧‧Second flexible circuit board
122‧‧‧ lap joint
122a‧‧‧terminal, lap line layer
122b‧‧‧First dielectric layer
124‧‧‧Second connection
130‧‧‧Shielding layer 130
132‧‧‧Shield metal layer
134‧‧‧fourth dielectric layer
140‧‧‧ Third dielectric layer
150‧‧‧second opening
160‧‧‧ first opening
200‧‧‧ touch panel
210‧‧‧Sensor array
210a‧‧‧Upper block
210b‧‧‧ Lower Block
212‧‧‧Sensor unit
220‧‧‧ pads
222‧‧‧first mat
224‧‧‧second mat
226‧‧‧3rd pad
228‧‧‧fourth pad
230‧‧‧Connecting line
232‧‧‧first cable
234‧‧‧second cable
236‧‧‧ third connection line
238‧‧‧fourth connection line
A1‧‧‧ line clearance area
A2‧‧‧ overlapping area
L1‧‧‧ bending axis
R1‧‧‧ junction area
S1, S2, S3‧‧‧ side
圖1是依照本發明的一實施例的一種可攜式電子裝置的立體示意圖。 圖2是依照本發明的一實施例的一種觸控面板的上視圖。 圖3是依照本發明的一實施例的一種觸控面板總成的局部上視示意圖。 圖4是依照本發明的一實施例的一種軟性電路板結構的元件分解示意圖。 圖5是依照本發明的另一實施例的一種軟性電路板結構彎折前的示意圖。 圖6是圖5的軟性電路板結構彎折後的示意圖。 圖7是依照本發明的另一實施例的一種軟性電路板結構的上視示意圖。 圖8是圖7的軟性電路板結構沿線I-I的局部剖面示意圖。FIG. 1 is a perspective view of a portable electronic device according to an embodiment of the invention. 2 is a top view of a touch panel in accordance with an embodiment of the present invention. 3 is a partial top plan view of a touch panel assembly in accordance with an embodiment of the invention. 4 is an exploded perspective view of a flexible circuit board structure in accordance with an embodiment of the present invention. FIG. 5 is a schematic view of a flexible circuit board structure before being bent according to another embodiment of the present invention. Fig. 6 is a schematic view showing the flexible circuit board structure of Fig. 5 after being bent. Figure 7 is a top plan view of a flexible circuit board structure in accordance with another embodiment of the present invention. Figure 8 is a partial cross-sectional view of the flexible circuit board structure of Figure 7 taken along line I-I.
50‧‧‧觸控面板總成 50‧‧‧Touch panel assembly
100‧‧‧軟性電路板結構 100‧‧‧Soft circuit board structure
110‧‧‧第一軟性電路板 110‧‧‧First flexible circuit board
112‧‧‧按鍵部 112‧‧‧Keys
112a‧‧‧第一按鍵電極圖案、按鍵線路層 112a‧‧‧First button electrode pattern, button circuit layer
112b‧‧‧第二按鍵電極圖案、按鍵線路層 112b‧‧‧Second button electrode pattern, button circuit layer
120‧‧‧第二軟性電路板 120‧‧‧Second flexible circuit board
122‧‧‧搭接部 122‧‧‧ lap joint
122a‧‧‧端子、搭接線路層 122a‧‧‧terminal, lap line layer
200‧‧‧觸控面板 200‧‧‧ touch panel
A1‧‧‧線路淨空區 A1‧‧‧ line clearance area
Claims (20)
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| TW105103964A TWI594169B (en) | 2016-02-05 | 2016-02-05 | Touch panel assembly and portable electronic device |
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| TW105103964A TWI594169B (en) | 2016-02-05 | 2016-02-05 | Touch panel assembly and portable electronic device |
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| TWI594169B true TWI594169B (en) | 2017-08-01 |
| TW201729060A TW201729060A (en) | 2017-08-16 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201140388A (en) * | 2010-05-03 | 2011-11-16 | Htc Corp | Touch-controlled electronic apparatus and related assembly method |
| CN103984452A (en) * | 2013-02-07 | 2014-08-13 | 宏达国际电子股份有限公司 | Touch panel assembly and electronic apparatus |
| TW201514787A (en) * | 2013-10-01 | 2015-04-16 | Htc Corp | Touch panel assembly and electronic device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201140388A (en) * | 2010-05-03 | 2011-11-16 | Htc Corp | Touch-controlled electronic apparatus and related assembly method |
| CN103984452A (en) * | 2013-02-07 | 2014-08-13 | 宏达国际电子股份有限公司 | Touch panel assembly and electronic apparatus |
| TW201432518A (en) * | 2013-02-07 | 2014-08-16 | Htc Corp | Touch panel assembly and electronic apparatus |
| TW201514787A (en) * | 2013-10-01 | 2015-04-16 | Htc Corp | Touch panel assembly and electronic device |
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