M353498 八、新型說明: 【新型所屬之技術領域】 本創作是有關於一種天線’且特別是有關於一種近場通釩 天線。 【先前技術】 近%通訊(Near Field Communication,NFC)技術是一種 近距離的無線通訊技術,其適合應用在電子錢包與悠遊卡等電 > 子商務上,以及門禁管制等身分識別上。 承上述,目前有些手機已具備近場通訊技術的功能,而能 提供電子錢包與悠遊卡等便利的電子商務服務。如此,使用者 在外出時只要攜帶這種手機,而不需要另外攜帶錢包,便可以 進行購物以及使用大眾運輸系統。 這種具備近場通訊技術的功能的手機,其内部通常裝設近 %通訊天線(NFC antenna)。習知近場通訊天線大多直接裳 设在手機的主機板(m〇ther board)上,而且會在主機板上佔 齡據很大的面積,以至於近場通訊天線會影響到在主機板上的多 個電子元件(例如電容、電感、電阻、二極體與電晶體等)的 擺設。因此,這種手機在電路設計方面會遇到很多困難。 【新型内容】 本創作是提供一種近場通訊天線,以解決習知近場通訊天 線在主機板上佔據很大的面積的問題。 本創作提出一種近場通訊天線,其設於一顯示面板上。近 %通訊天線包括一軟性基板與一天線線路。軟性基板配置於顯 M353498 不面板上、二而天線線路配置於軟性基板上,並包括一對電極以 及一連接這些電極的線圈組件。 且賴翔作一實施例所述之近場通訊天線,上述顯示面板 具有一第-表面以及一位於第一表面上的顯示區。線圈 繞顯示區。 ' 依照本創作—實_所叙近場軌天線,上述軟性基板 具有一開口,而顯示區位於開口内。 _ 舰本_ —實_所狀近場軌天線,上述線圈组件 與軟性基板皆位於第一表面上。 依照本創作—實施例所狀近場軌天線,上述顯示面板 更具有-位於第一表面的對面之第二表面,而這些電極位於 二表面上。 賴本_—纽靖狀近場軌天線,上軸示面板 更具有-連接於第—表面與第二表面之_側表面,而這些電 極從第一表面延伸至侧表面上。 I 條摘作—實㈣所i^之近場通訊天線,上述軟性基板 黏貼於顯示面板上。 依照本創作一實施例所述之近場通訊天線,上述軟性基板 與天線線路整合成一軟性電路板。 依照本創作一實施例所述之近場通訊天線,上述線圈組件 包括多個線圈。 依照本創作一實施例所述之近場通訊天線,其中—個線圈 圍繞另一個線圈。 M353498 依照本創作一實施例所述之近場通訊天線,這些線圈的形 狀為矩形。 依照本創作一實施例所述之近場通訊天線,上述顯示面 板為液晶顯示面板(Liquid Crystal Display pane卜 LCD panel) 或有機發光二極體面板(Organic Light-Emitting Diode panel, OLED panel)。 依照本創作一實施例所述之近場通訊天線,上述軟性基板 的材負為一 分子材料。 依照本創作一實施例所述之近場通訊天線,上述高分子材 料包括聚醯亞胺(p〇lyimide ’ pi )或聚乙烯對二曱酸酯 (polyethylene terephthalate,PET)。 依照本創作一實施例所述之近場通訊天線,其電性連接一 電路板’其中顯示面板配置於電路板與近場通訊天線之間。 本創作的近場通訊天線設於顯示面板上,而不會影響到在 電路板(例如手機或個人數位助理的主機板)上的多個電子元 •件的擺设。因此,本創作能降低手機在電路設計方面所遭遇的 困難。 為讓本創作之上述和其他目的、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。 【實施方式] 圖1是本創作一實施例之近場通訊天線的俯視示意圖。 請爹閱圖丨,本實施例的近場通訊天線100包括一軟性基板110 以及一天線線路120,其中天線線路120配置於軟性基板110 M353498 上,並且包括一對電極122以及一連接這些電極122的線圈組 件 124。 詳細而言’線圈組件124可包括多個線圈124a、124b, 其中線圈124a例如圍繞線圈124b。也就是說,線圈124b位 於線圈124a内。這些線圈124a、124b能感應電磁波訊號,其 例如是近場通訊訊號(NFC signal)或無線訊號,並且將此電 磁波訊號轉換成電訊號,其中上述近場通訊訊號的頻率例如是 13.56MHz。 承上述,這樣可以使得線圈組件124能接收及發送電磁波 訊號。此外,端視不同頻率的電磁波訊號或是不同的電路設 計,這些線圈124a、124b的形狀可以是矩形(如圖1所示)、 圓形或橢圓形等幾何形狀。 軟性基板11〇可以具有一開口 Η ’且軟性基板11〇可以與 天線線路120整合成一塊軟性電路板(Flexible Primed Circuit board ’ FPC board),其具有很薄的厚度。也就是說,近場通 訊天線100可以作成一塊厚度很薄的軟性電路板。軟性基板 110的材質可以為高分子材料,而此高分子材料包括聚醯亞胺 (PI)或聚乙烯對二曱酸酯(PET)。另外,近場通訊天線1〇〇 可以透過一般軟性電路板的製造方法來製成,例如近場通訊天 線100可以是透過增層法(buiid-up)來製成。 圖2A是圖1中的近場通訊天線在組裝於顯示面板之後 的立體示意圖,而圖2B是圖2A的爆炸示意圖。請參閱圖2A 與圖2B ’近場通訊天線1〇〇設於一顯示面板2〇〇上,而顯示 M353498 面板200可以是液晶顯示面板(LCD panel)或有機發光二極 體面板(OLED panel),其中近場通訊天線1〇〇與顯示面板 200可以裝没於手機或個人數位助理(pers〇nai DigitalM353498 VIII. New description: [New technical field] The present invention relates to an antenna' and in particular to a near-field vanadium antenna. [Prior Art] Near Field Communication (NFC) technology is a short-range wireless communication technology, which is suitable for application in e-wallet and leisure card, sub-commerce, and identity recognition such as access control. In view of the above, some mobile phones now have the function of near field communication technology, and can provide convenient e-commerce services such as e-wallet and leisure card. In this way, the user can carry the shopping and use the mass transit system by simply carrying the mobile phone while traveling without having to carry the wallet. Such a mobile phone with the function of near field communication technology usually has a near-negative communication antenna (NFC antenna) installed therein. Most of the conventional near field communication antennas are directly installed on the mobile phone's motherboard (m〇ther board), and will occupy a large area on the motherboard, so that the near field communication antenna will affect the motherboard. The placement of multiple electronic components (such as capacitors, inductors, resistors, diodes, and transistors). Therefore, this type of mobile phone will encounter many difficulties in circuit design. [New content] This creation provides a near field communication antenna to solve the problem that the conventional near field communication antenna occupies a large area on the motherboard. The present invention proposes a near field communication antenna which is disposed on a display panel. Nearly % communication antennas include a flexible substrate and an antenna line. The flexible substrate is disposed on the display panel of the M353498, and the antenna circuit is disposed on the flexible substrate, and includes a pair of electrodes and a coil assembly connecting the electrodes. In the near field communication antenna of the embodiment, the display panel has a first surface and a display area on the first surface. The coil wraps around the display area. According to the present invention, the flexible substrate has an opening, and the display area is located in the opening. _ Ship _ - Real _ near-field track antenna, the above coil assembly and the flexible substrate are located on the first surface. In accordance with the near field track antenna of the present invention, the display panel further has a second surface opposite the first surface, and the electrodes are located on the two surfaces. The Lai Ben _-Neujing-like near-field track antenna, the upper shaft display panel further has a side surface connected to the first surface and the second surface, and the electrodes extend from the first surface to the side surface. I is a close-up communication antenna of the real (4) i^, and the flexible substrate is adhered to the display panel. According to the near field communication antenna of the embodiment of the present invention, the flexible substrate and the antenna line are integrated into a flexible circuit board. According to the near field communication antenna of an embodiment of the present invention, the coil assembly includes a plurality of coils. A near field communication antenna according to an embodiment of the present invention, wherein one coil surrounds the other coil. M353498 A near field communication antenna according to an embodiment of the present invention, the coils being rectangular in shape. According to a near field communication antenna according to an embodiment of the present invention, the display panel is a liquid crystal display panel (LCD panel) or an organic light-emitting diode panel (OLED panel). According to the near field communication antenna of an embodiment of the present invention, the material of the flexible substrate is a molecular material. According to a near field communication antenna according to an embodiment of the present invention, the polymer material comprises polypimide ('pi) or polyethylene terephthalate (PET). The near field communication antenna according to an embodiment of the present invention is electrically connected to a circuit board, wherein the display panel is disposed between the circuit board and the near field communication antenna. The near field communication antenna of the present invention is disposed on the display panel without affecting the arrangement of a plurality of electronic components on a circuit board such as a mobile phone or a personal digital assistant's motherboard. Therefore, this creation can reduce the difficulties encountered in the circuit design of mobile phones. The above and other objects, features and advantages of the present invention will become more apparent and understood. [Embodiment] FIG. 1 is a schematic plan view of a near field communication antenna according to an embodiment of the present invention. The near field communication antenna 100 of the present embodiment includes a flexible substrate 110 and an antenna line 120. The antenna line 120 is disposed on the flexible substrate 110 M353498 and includes a pair of electrodes 122 and a connecting electrode 122. Coil assembly 124. In detail, the coil assembly 124 can include a plurality of coils 124a, 124b, wherein the coil 124a surrounds, for example, the coil 124b. That is, the coil 124b is located within the coil 124a. The coils 124a, 124b can sense electromagnetic wave signals, such as a near field communication signal (NFC signal) or a wireless signal, and convert the electromagnetic wave signal into an electrical signal, wherein the frequency of the near field communication signal is, for example, 13.56 MHz. In view of the above, the coil assembly 124 can receive and transmit electromagnetic wave signals. In addition, depending on the electromagnetic signals of different frequencies or different circuit designs, the shapes of the coils 124a, 124b may be rectangular (as shown in Figure 1), circular or elliptical. The flexible substrate 11A may have an opening Η ' and the flexible substrate 11 〇 may be integrated with the antenna line 120 into a flexible circuit board (FPC board) having a very thin thickness. That is, the near field communication antenna 100 can be made into a thin flexible circuit board. The material of the flexible substrate 110 may be a polymer material, and the polymer material includes polyimide (PI) or polyethylene terephthalate (PET). In addition, the near field communication antenna 1 can be fabricated by a general flexible circuit board manufacturing method. For example, the near field communication antenna 100 can be formed by a buiid-up method. 2A is a perspective view of the near field communication antenna of FIG. 1 after being assembled to a display panel, and FIG. 2B is an exploded view of FIG. 2A. Referring to FIG. 2A and FIG. 2B, the near field communication antenna 1 is disposed on a display panel 2A, and the display M353498 panel 200 may be a liquid crystal display panel (LCD panel) or an organic light emitting diode panel (OLED panel). , wherein the near field communication antenna 1 and the display panel 200 can be mounted on a mobile phone or a personal digital assistant (pers〇nai Digital)
Assistant ’ PDA )等手持電子裝置(portable electronic apparatus ) 内。 具體而言,軟性基板110配置於顯示面板200上,而在本 實施例中’軟性基板110可以是黏貼於顯示面板2〇〇上,例如 軟性基板110可以透過雙面膠、樹脂或其他黏著劑來黏貼於顯 示面板200上。如此,線圈組件124與這些電極122皆固設 於顯示面板200上。 承上述,顯示面板200具有一第一表面201、一第二表面 202以及一顯示區204 ,其中第一表面201位於第二表面2〇2 的對面,而顯示區2〇4位於第一表面201上。顯示面板2〇〇所 顯示的影像會在顯示區204中呈現,所以顯示區2〇4可視為顯 示面板200的螢幕晝面。線圈組件124圍繞顯示區2〇4,而顯 示區204可以位於開口 η内。在本實施例中,線圈組件124 與軟性基板no皆可以位於第一表面施,即線圈組件124與 軟性基板110皆位在顯示面板2〇〇的同一表面上。 —這些電極122位於第二表面202上,而在本實施例中,顯 示面板200更具有一連接於第一表面2〇1與第二表面之間 的側表面206,其中這些電極122可以是從第二表面2〇2延伸 至侧表面206上。詳細而言,軟性基板u〇的一部份可以沿著 第一表面20卜側表面206與第二表面2〇2褶曲(f〇iding)a。 M353498 如此’這些電極122得以位於第二表面202上,而位於側表面 206與第二表面202之間的邊緣更可以將這些電極122褶曲, 進而讓這些電極122可以延伸至侧表面206上。 值得一提的是,在本實施例中,近場通訊天線1〇〇能電性 連接一電路板300。電路板300可以是手機或個人數位助理等 手持電子裝置的主機板,而近場通訊天線1〇〇可透過這些電極 122來電性連接電路板3〇〇,其中電路板3〇〇可以是一種硬性 電路板(rigid printed circuit board )。 承上述,顯示面板200配置於電路板300與近場通訊天線 100之間。也就是說,電路板3〇〇與近場通訊天線1〇〇分別位 於顯示面板200的第二表面202與第一表面20丨上,即電路板 300與近場通訊天線1 〇〇分別位於顯示面板2〇〇的相對二面上。 由此可知,近場通訊天線100與電路板3〇〇之間還隔著顯 示面板200。因此,當位在電路板3〇〇上的多個電子元件(未 繪示)運作時’這些電子元件所產生的電磁干擾 (Electromagnetic Interference ’ EMI)較不會影響到近場通訊 天線100的運作,進而確保電磁波訊號接收及發送的品質。 綜上所述’本創作的近場通訊天線能固設於手機的顯示面 板上,且不會在電路板(例如手機或個人數位助理的主機板) 上佔據很大的面積。因此,本創作的近場通訊天線不會影響到 在電路板上的多個電子元件的擺設。如此,本創作能降低手機 在電路設計方面所遭遇的困難。 其次,現今的手機與個人數位助理等手持電子裝置都是朝 M353498 向體積小、厚度薄與重量輕的趨勢來發展,而本創作的近場通 訊天線可以做成一塊厚度很薄的軟性電路板。也就是說,本創 作的近場通訊天線具有厚度薄,且不會佔據太多手持電子裝置 内部的空間的優點。因此,本創作更能讓手持電子裝置有利於 朝向體積小、厚度薄與重量輕的趨勢發展。 再者,本創作的近場通訊天線不必直接裝設在電路板(例 如手機或個人數位助理的主機板)上,且近場通訊天線與電路 鲁板之間還隔著顯示面板。相較於習知技術而言,本創作能降低 來自電路板的電磁干擾對近場通訊天線的影響,以維持電磁波 訊號接收及發送的品質。 雖然本創作已以實施例揭露如上,然其並非用以限定本創 作,任何熟習本創作所屬領域之具有通常知識者,在不脫離本 創作之精神和範圍内,當可作些許之更動與潤飾,因此本創作 之保護範圍當視後附之申請專利範圍所界定者為準。 Φ 【圖式簡單說明】 圖1是本創作一實施例之近場通訊天線的俯視示意圖。 圖2A是圖1中的近場通訊天線在組裝於顯示面板之後的立 體示意圖。 圖是圖2A的爆炸示意圖。 【主要元件符號說明】 近場通訊天線 110 軟性基板 11 M353498 120 天線線路 122 電極 124 線圈組件 124a、 124b線圈 200 顯不面板 201 第一表面 202 第二表面 204 顯TF區 206 側表面 300 電路板Inside the portable electronic apparatus such as Assistant 'PDA'. Specifically, the flexible substrate 110 is disposed on the display panel 200. In the embodiment, the flexible substrate 110 may be adhered to the display panel 2, for example, the flexible substrate 110 may be permeable to double-sided tape, resin or other adhesive. To adhere to the display panel 200. Thus, the coil assembly 124 and the electrodes 122 are fixed to the display panel 200. In the above, the display panel 200 has a first surface 201, a second surface 202, and a display area 204, wherein the first surface 201 is located opposite the second surface 2〇2, and the display area 2〇4 is located on the first surface 201. on. The image displayed on the display panel 2 is displayed in the display area 204, so the display area 2〇4 can be regarded as the screen surface of the display panel 200. The coil assembly 124 surrounds the display area 2〇4, and the display area 204 can be located within the opening η. In this embodiment, both the coil component 124 and the flexible substrate no can be located on the first surface, that is, the coil component 124 and the flexible substrate 110 are all located on the same surface of the display panel 2A. The electrodes 122 are located on the second surface 202. In this embodiment, the display panel 200 further has a side surface 206 connected between the first surface 210 and the second surface, wherein the electrodes 122 can be The second surface 2〇2 extends onto the side surface 206. In detail, a portion of the flexible substrate u〇 may be folded along the first surface 20 side surface 206 and the second surface 2〇2. M353498 is such that the electrodes 122 are located on the second surface 202, and the edge between the side surface 206 and the second surface 202 more folds the electrodes 122, thereby allowing the electrodes 122 to extend onto the side surface 206. It is worth mentioning that in this embodiment, the near field communication antenna 1 can be electrically connected to a circuit board 300. The circuit board 300 can be a motherboard of a handheld electronic device such as a mobile phone or a personal digital assistant, and the near field communication antenna 1 can be electrically connected to the circuit board 3 through the electrodes 122, wherein the circuit board 3 can be a rigid A rigid printed circuit board. In view of the above, the display panel 200 is disposed between the circuit board 300 and the near field communication antenna 100. That is, the circuit board 3 〇〇 and the near field communication antenna 1 〇〇 are respectively located on the second surface 202 of the display panel 200 and the first surface 20 ,, that is, the circuit board 300 and the near field communication antenna 1 位于 are respectively displayed. The opposite sides of the panel 2〇〇. From this, it is understood that the display panel 200 is interposed between the near field communication antenna 100 and the circuit board 3A. Therefore, when a plurality of electronic components (not shown) located on the circuit board 3 are operated, the electromagnetic interference generated by the electronic components (Electromagnetic Interference 'EMI) does not affect the operation of the near field communication antenna 100. In order to ensure the quality of electromagnetic wave signal reception and transmission. In summary, the near field communication antenna of the present invention can be fixed on the display panel of the mobile phone, and does not occupy a large area on a circuit board (such as a mobile phone or a personal digital assistant's motherboard). Therefore, the near field communication antenna of the present invention does not affect the arrangement of a plurality of electronic components on the circuit board. In this way, this creation can reduce the difficulties encountered in the circuit design of mobile phones. Secondly, today's handheld electronic devices such as mobile phones and personal digital assistants are developing towards the M353498 in a small size, thin thickness and light weight. The near field communication antenna of this creation can be made into a thin flexible circuit board. . That is to say, the near field communication antenna of the present invention has the advantage of being thin and does not occupy too much space inside the handheld electronic device. Therefore, this creation makes the handheld electronic device more advantageous for the trend toward small size, thin thickness and light weight. Furthermore, the near field communication antenna of the present invention does not have to be directly mounted on a circuit board (such as a mobile phone or a personal digital assistant's motherboard), and a display panel is interposed between the near field communication antenna and the circuit board. Compared with the prior art, this creation can reduce the influence of electromagnetic interference from the circuit board on the near field communication antenna to maintain the quality of electromagnetic wave signal reception and transmission. Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone who is familiar with the art in the field of the present invention can make some changes and refinements without departing from the spirit and scope of the present creation. Therefore, the scope of protection of this creation is subject to the definition of the scope of the patent application attached. Φ [Simple Description of the Drawings] Fig. 1 is a top plan view of a near field communication antenna according to an embodiment of the present invention. 2A is a schematic perspective view of the near field communication antenna of FIG. 1 after being assembled to a display panel. The figure is a schematic view of the explosion of Figure 2A. [Main component symbol description] Near field communication antenna 110 Flexible substrate 11 M353498 120 Antenna line 122 Electrode 124 Coil assembly 124a, 124b Coil 200 Display panel 201 First surface 202 Second surface 204 Display TF area 206 Side surface 300 Circuit board