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TW201335803A - Touch panel and method for recognizing touch points - Google Patents

Touch panel and method for recognizing touch points Download PDF

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TW201335803A
TW201335803A TW101105066A TW101105066A TW201335803A TW 201335803 A TW201335803 A TW 201335803A TW 101105066 A TW101105066 A TW 101105066A TW 101105066 A TW101105066 A TW 101105066A TW 201335803 A TW201335803 A TW 201335803A
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electrode pattern
touch
touch panel
sensing
electrode
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TW101105066A
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TWI471777B (en
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Tzu-Hsuan Huang
Ru-Ji Hiseh
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Chunghwa Picture Tubes Ltd
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Abstract

A touch panel includes a transparent substrate; a plurality of electrode lines formed on the transparent substrate; and a plurality of sensing regions which each is electrically connected to the corresponding electrode line, and each includes first and second electrode patterns, wherein the area of the first electrode pattern is bigger than the area of the second electrode pattern. In addition, a method for recognizing touch points includes the following steps of: sening a touch signal by the first electrode pattern or/and the second electrode pattern of the corresponding sensing region when a position is touched, and then recognizing the touch position according to the position of the corresponding sensing region and the strength of the touch signal.

Description

觸控面板及其觸碰點分辨方法Touch panel and its touch point resolution method

本發明係有關於一種觸控面板,特別是有關於一種可單點或多點觸控的觸控面板。The present invention relates to a touch panel, and more particularly to a touch panel that can be single-point or multi-touch.

近年來觸控面板有關的技術突飛猛進,例如電阻式觸控面板、電容式觸控面板、音波式觸控面板、及光學式觸控面板,已被廣泛應用於通訊產品、電腦裝置及消費性電子產品上,藉以大幅增加所應用之電子產品的效能及使用上的便利性。In recent years, touch panel related technologies have advanced by leaps and bounds, such as resistive touch panels, capacitive touch panels, sonic touch panels, and optical touch panels, which have been widely used in communication products, computer devices, and consumer electronics. In terms of products, the efficiency and ease of use of the applied electronic products are greatly increased.

電容式觸控面板一般是在透明玻璃表面鍍上一層氧化銦錫薄膜之電極及一保護膜。當手指與觸控面板沒有接觸時,各種電極是同電位的,觸控面板沒有電流通過;當手指與觸控面板接觸時,人體內的靜電流入觸控面板而產生微弱電流通過,然後檢測電極依電流值變化,可以算出觸碰的位置。因此,電容式觸控面板可用手指進行輸入,具有輸入操作的便利,而其輸入操作不需經過觸壓,不會讓面板有承受反覆觸碰之應力、變形而導致損害的缺點,且該種觸控面板的組成構造簡單、元件少,產品良率高,適合大量生產以降低成本。The capacitive touch panel is generally provided with an electrode of an indium tin oxide film and a protective film on the surface of the transparent glass. When the finger is not in contact with the touch panel, the various electrodes are at the same potential, and no current flows through the touch panel; when the finger is in contact with the touch panel, static electricity in the human body flows into the touch panel to generate a weak current, and then the detection electrode The position of the touch can be calculated based on the change in current value. Therefore, the capacitive touch panel can be input by a finger, and has the convenience of input operation, and the input operation does not need to be touched, and the panel does not have the disadvantage of being subjected to stress and deformation caused by repeated touch, and the kind is damaged. The touch panel has a simple structure, few components, and high product yield, and is suitable for mass production to reduce costs.

台灣專利證書號I344615揭示了一種電容式單層觸控感測結構100,如圖1所示,在一導電層110上方形成複數個感應區塊120,每個感應區塊120內有複數段的溝槽(圖未示),以將感應區塊120分割成複數個電極,任兩相鄰間之電極可行成一平面電容結構,該感應區塊120其兩端電性連接電訊線路模組130,將感測訊號傳遞出去。該導電層110為導電高分子材料或者是透明導電氧化物。可以根據該感應區塊120上之電容變化,判斷出觸控位置,但只能用於單點觸控,一旦有兩個以上的觸碰點,將無法辨別出來。Taiwan Patent No. I344615 discloses a capacitive single-layer touch sensing structure 100. As shown in FIG. 1, a plurality of sensing blocks 120 are formed above a conductive layer 110, and each sensing block 120 has a plurality of segments. a trench (not shown) is used to divide the sensing block 120 into a plurality of electrodes, and any two adjacent electrodes may be formed into a planar capacitor structure. The sensing block 120 is electrically connected to the telecommunication line module 130 at both ends thereof. Pass the sensing signal out. The conductive layer 110 is a conductive polymer material or a transparent conductive oxide. The touch position can be determined according to the change of the capacitance on the sensing block 120, but it can only be used for single touch. Once there are more than two touch points, it will not be recognized.

因此,便有需要提供一種觸控面板,能夠解決前述的問題。Therefore, there is a need to provide a touch panel that can solve the aforementioned problems.

本發明之一目的為利用一大一小的電極圖案為一組,以組為單位連接至相對應的電極線,達到觸控面板上的多點觸控的效果。One of the objects of the present invention is to use a large and small electrode pattern as a group, and connect to a corresponding electrode line in units of groups to achieve a multi-touch effect on the touch panel.

本發明提供一種觸控面板,包括:一透明基板;複數條電極線形成在透明基板上;以及複數個感應區塊,每一該感應區塊電性連接所對應的每一該電極線,並且每一該感應區塊包括一第一電極圖案以及一第二電極圖案,該第一電極圖案之面積大於該第二電極圖案之面積。The present invention provides a touch panel comprising: a transparent substrate; a plurality of electrode lines formed on the transparent substrate; and a plurality of sensing blocks, each of the sensing blocks being electrically connected to each of the electrode lines, and Each of the sensing blocks includes a first electrode pattern and a second electrode pattern, and the area of the first electrode pattern is larger than the area of the second electrode pattern.

本發明提供一種觸控面板之觸碰點分辨方法,該觸控面板包括複數條電極線以及複數個感應區塊,每一該感應區塊電性連接所對應的每一該電極線,並且每一該感應區塊包括一第一電極圖案以及一第二電極圖案,該第一電極圖案之面積大於該第二電極圖案之面積,該觸碰點分辨方法包括下列步驟:當該觸控面板有一個位置被觸碰到時,則相對應的該感應區塊之該第一電極圖案或/及第二電極圖案感應到一觸碰訊號,再依據感應到該觸碰訊號的該感應區塊的位置及訊號大小判斷出觸碰點。The invention provides a method for distinguishing touch points of a touch panel, the touch panel includes a plurality of electrode lines and a plurality of sensing blocks, each of the sensing blocks electrically connecting each of the electrode lines, and each The sensing block includes a first electrode pattern and a second electrode pattern. The area of the first electrode pattern is larger than the area of the second electrode pattern. The touch point resolution method includes the following steps: when the touch panel has When a position is touched, the first electrode pattern or/and the second electrode pattern of the corresponding sensing block senses a touch signal, and then according to the sensing block that senses the touch signal The location and signal size determine the touch point.

本發明提供另一種觸控面板之觸碰點分辨方法,該觸控面板包括複數條電極線以及複數個感應區塊,每一該感應區塊電性連接所對應的每一該電極線,並且每一該感應區塊包括一第一電極圖案以及一第二電極圖案,該第一電極圖案大於該第二電極圖案,該觸碰點分辨方法包括下列步驟:當該觸控面板有一個位置被觸碰到時,則相對應的該感應區塊之該第一電極圖案或該第二電極圖案感應到一觸碰訊號,以及其他相鄰之該感應區塊之該第一電極圖案及第二電極圖案未感應到一觸碰訊號,再依據感應到該觸碰訊號的該感應區塊的位置及訊號大小判斷出觸碰點。The touch panel includes a plurality of electrode lines and a plurality of sensing blocks, each of the sensing blocks electrically connecting each of the electrode lines, and Each of the sensing blocks includes a first electrode pattern and a second electrode pattern. The first electrode pattern is larger than the second electrode pattern. The touch point resolution method includes the following steps: when the touch panel has a position When touched, the first electrode pattern or the second electrode pattern of the corresponding sensing block senses a touch signal, and the first electrode pattern and the second adjacent one of the sensing blocks The electrode pattern does not sense a touch signal, and the touch point is determined according to the position and the signal size of the sensing block that senses the touch signal.

本發明提供另一種觸控面板之觸碰點分辨方法,該觸控面板包括複數條電極線以及複數個感應區塊,每一該感應區塊電性連接所對應的每一該電極線,並且每一該感應區塊包括一第一電極圖案以及一第二電極圖案,該第一電極圖案大於該第二電極圖案,該觸碰點分辨方法包括下列步驟:當該觸控面板有一個位置被觸碰到,且相鄰的兩感應區塊之其中一者的第一電極圖案感應到一觸碰訊號,以及相鄰的兩感應區塊之其中另一者的第二電極圖案亦感應到一觸碰訊號時,則該相鄰的兩感應區塊之間的位置為觸碰點。The touch panel includes a plurality of electrode lines and a plurality of sensing blocks, each of the sensing blocks electrically connecting each of the electrode lines, and Each of the sensing blocks includes a first electrode pattern and a second electrode pattern. The first electrode pattern is larger than the second electrode pattern. The touch point resolution method includes the following steps: when the touch panel has a position Touching, and the first electrode pattern of one of the two adjacent sensing blocks senses a touch signal, and the second electrode pattern of the other of the adjacent two sensing blocks senses When the signal is touched, the position between the adjacent two sensing blocks is a touch point.

本發明提供另一種觸控面板之觸碰點分辨方法,該觸控面板包括複數條電極線以及複數個感應區塊,每一該感應區塊電性連接所對應的每一該電極線,並且每一該感應區塊包括一第一電極圖案以及一第二電極圖案,該第一電極圖案大於該第二電極圖案,該觸碰點分辨方法包括下列步驟:當該觸控面板有兩個位置以上被觸碰到時,相對應的該些感應區塊之該第一電極圖案或/及第二電極圖案感應到兩個以上觸碰訊號,再依據感應到該些觸碰訊號的該些感應區塊的位置及訊號大小判斷出觸碰點。The touch panel includes a plurality of electrode lines and a plurality of sensing blocks, each of the sensing blocks electrically connecting each of the electrode lines, and Each of the sensing blocks includes a first electrode pattern and a second electrode pattern. The first electrode pattern is larger than the second electrode pattern. The touch point resolution method includes the following steps: when the touch panel has two positions When the above is touched, the first electrode pattern or/and the second electrode pattern of the corresponding sensing blocks sense two or more touch signals, and then according to the sensings that sense the touch signals. The location of the block and the size of the signal determine the touch point.

因此,本發明之觸控面板利用一大一小的電極圖案為一組,以組為單位連接至相對應的電極線,手指觸碰觸控面板時的覆蓋面積,所投影到的電極圖案之面積所產生相對應的訊號強度,如此可藉由訊號強度比例判斷手指在觸控面板上的觸碰位置。然後,再利用演算法運算出觸碰座標,就非常容易達到多點觸控的效果。Therefore, the touch panel of the present invention uses a large and small electrode pattern as a group, and is connected to the corresponding electrode line in units of groups, the coverage area when the finger touches the touch panel, and the projected electrode pattern. The corresponding signal strength generated by the area, so that the touch position of the finger on the touch panel can be determined by the signal intensity ratio. Then, using the algorithm to calculate the touch coordinates, it is very easy to achieve multi-touch effect.

另外,先前技術之觸控面板的每一電極圖案皆連接至相對應的電極線,而本發明之觸控面板利用一大一小的電極圖案為一組,以組為單位連接至相對應的電極線。相較於先前技術,本發明之觸控面板的電極線可減少一半的數量,仍能達到判斷手指在觸控面板上的多點觸碰位置。In addition, each electrode pattern of the touch panel of the prior art is connected to a corresponding electrode line, and the touch panel of the present invention uses a large and a small electrode pattern as a group, and is connected to the corresponding group in units of groups. Electrode wire. Compared with the prior art, the electrode line of the touch panel of the present invention can be reduced by half, and the multi-touch position of the finger on the touch panel can still be determined.

為了讓本發明之上述和其他目的、特徵、和優點能更明顯,下文將配合所附圖示,作詳細說明如下。The above and other objects, features, and advantages of the present invention will become more apparent from the accompanying drawings.

如圖2所示,為本發明之一實施例之觸控面板之電極線220及感應區塊310分佈圖。該觸控面板200包括一透明基板210以及在透明基板210上所形成之複數條電極線220。該電極線220為可傳遞電子訊號之導線,包括金屬導線222、透明導線221或上述兩種材料之組合。金屬導線222具有較佳的訊號傳導特性但不具透光性,而透明導線221則具有透光性但訊號傳導較差,因此在本發明實施例中將觸控面板200分成顯示區及非顯示區,透明導線221位在顯示區中;金屬導線222位在非顯示區中,但不以此為限。該電極線220之金屬導線222的形成方法可採用微影蝕刻法、噴墨印刷法及凹版印刷法。As shown in FIG. 2 , it is a distribution diagram of the electrode line 220 and the sensing block 310 of the touch panel according to an embodiment of the invention. The touch panel 200 includes a transparent substrate 210 and a plurality of electrode lines 220 formed on the transparent substrate 210. The electrode wire 220 is a wire capable of transmitting an electronic signal, and includes a metal wire 222, a transparent wire 221, or a combination of the above two materials. The metal wire 222 has a good signal-conducting property but is not translucent, and the transparent wire 221 has a light-transmitting property but a poor signal transmission. Therefore, in the embodiment of the invention, the touch panel 200 is divided into a display area and a non-display area. The transparent wire 221 is located in the display area; the metal wire 222 is located in the non-display area, but is not limited thereto. The method of forming the metal wires 222 of the electrode lines 220 may be a photolithography method, an inkjet printing method, or a gravure printing method.

該觸控面板200還包括在透明基板210上所形成之複數個感應區塊310,每一感應區塊310之面積只能容納2隻手指觸摸觸控面板200時的覆蓋面積,故在訊號處理上容易判別單指或雙指。每一感應區塊310都有對應一電極線220,並與該電極線220電性連接。每一感應區塊310包括一第一電極圖案320、一第二電極圖案330及一導線340。導線340用以將第一電極圖案320電性連接於第二電極圖案330,並且第一電極圖案320之面積大於該第二電極圖案330之面積。較佳地,第一電極圖案320之面積可約等於使用者的手指觸摸觸控面板200時的覆蓋面積,且第二電極圖案330之面積可約等於第一電極圖案320之面積的五分之一。The touch panel 200 further includes a plurality of sensing blocks 310 formed on the transparent substrate 210. The area of each sensing block 310 can only cover the coverage area when the two fingers touch the touch panel 200, so the signal processing is performed. It is easy to judge single or double fingers. Each of the sensing blocks 310 has a corresponding electrode line 220 and is electrically connected to the electrode line 220. Each sensing block 310 includes a first electrode pattern 320, a second electrode pattern 330, and a wire 340. The wire 340 is used to electrically connect the first electrode pattern 320 to the second electrode pattern 330, and the area of the first electrode pattern 320 is larger than the area of the second electrode pattern 330. Preferably, the area of the first electrode pattern 320 can be approximately equal to the coverage area when the user's finger touches the touch panel 200, and the area of the second electrode pattern 330 can be approximately equal to five-fifth of the area of the first electrode pattern 320. One.

透明導線221、第一電極圖案320、第二電極圖案330以及導線340可為透明導電氧化物(Transparent Conductive Oxides;TCO)、氧化銻錫(Antinomy Tin Oxide;ATO)、氧化鋅(Zinc Oxide;ZnO)或是氧化銦錫(Indium Tin Oxide;ITO)所製,並藉由同一製程而形成,但不以此為限。在本實施例中,透明導線221、第一電極圖案320、第二電極圖案330以及導線340為氧化銦錫材料所製。The transparent conductive line 221, the first electrode pattern 320, the second electrode pattern 330, and the wire 340 may be Transparent Conductive Oxides (TCO), AntiTung Oxide (ATO), and Zinc Oxide (ZnO). Or is made of Indium Tin Oxide (ITO) and formed by the same process, but not limited thereto. In the present embodiment, the transparent wiring 221, the first electrode pattern 320, the second electrode pattern 330, and the wires 340 are made of indium tin oxide material.

在本實施例中,在第一電極圖案320所相鄰之前後左右之電極圖案,為同一感應區塊310之第二電極圖案330以及其它相鄰的感應區塊310的第二電極圖案330。換言之,第一電極圖案320之四周被第二電極圖案330所包圍,且第二電極圖案330之四周被第一電極圖案320所包圍。In this embodiment, the electrode patterns before and after the first electrode pattern 320 are adjacent to the second electrode pattern 330 of the same sensing block 310 and the second electrode pattern 330 of the other adjacent sensing block 310. In other words, the periphery of the first electrode pattern 320 is surrounded by the second electrode pattern 330, and the periphery of the second electrode pattern 330 is surrounded by the first electrode pattern 320.

在本實施例中,如圖3所示,為使用者的手指觸摸觸控面板時的示意圖。第一電極圖案320可為十字形圖案,其圖案面積約使用者的手指410觸摸觸控面板200時的覆蓋面積。第二電極圖案330為一矩形圖案,其圖案面積約為第一電極圖案320面積的五分之一。在另一實施例中,第一電極圖案可為大圓形圖案(圖未示),第二電極圖案可為小圓形圖案(圖未示)。In this embodiment, as shown in FIG. 3, it is a schematic diagram when the user's finger touches the touch panel. The first electrode pattern 320 may be a cross-shaped pattern having a pattern area about a coverage area when the user's finger 410 touches the touch panel 200. The second electrode pattern 330 is a rectangular pattern having a pattern area of about one-fifth of the area of the first electrode pattern 320. In another embodiment, the first electrode pattern may be a large circular pattern (not shown), and the second electrode pattern may be a small circular pattern (not shown).

由於使用者的手指410觸摸觸控面板200時的覆蓋面積大小與該電極圖案感應到的觸碰訊號(例如電容值)大小成正比,因此依據不同電極線220上的訊號大小,就可判斷出不同的觸碰點。換言之,當該觸控面板200有一個位置被觸碰到時,則相對應的該感應區塊310之該第一電極圖案320或/及第二電極圖案330感應到一觸碰訊號,再依據感應到該觸碰訊號的該感應區塊310的位置及訊號大小判斷出觸碰點。Since the size of the coverage area of the user's finger 410 when touching the touch panel 200 is proportional to the size of the touch signal (for example, the capacitance value) sensed by the electrode pattern, the size of the signal on the electrode line 220 can be determined. Different touch points. In other words, when the touch panel 200 has a position touched, the corresponding first electrode pattern 320 or/and the second electrode pattern 330 of the sensing block 310 senses a touch signal, and then The position of the sensing block 310 and the signal size that sense the touch signal determine the touch point.

在觸控面板200之單點觸控時,有下列四種情況及其分辨方法:In the single touch of the touch panel 200, there are the following four cases and their resolution methods:

第一情況:當使用者的手指410觸碰該觸控面板200時,若只有在相對應的第一電極圖案320感應到一觸碰訊號,而其他相鄰之該感應區塊310沒有感應到觸碰訊號,則表示使用者的手指410覆蓋觸控面板200的面積,所投影到的電極圖案只有第一電極圖案320,因此該感應區塊310能產生第一訊號強度,並傳到相對應的電極線220,就可得知觸碰點為第一電極圖案320的位置。The first case is that when the user's finger 410 touches the touch panel 200, if only the corresponding first electrode pattern 320 senses a touch signal, the other adjacent sensing blocks 310 are not sensed. The touch signal indicates that the user's finger 410 covers the area of the touch panel 200, and the projected electrode pattern has only the first electrode pattern 320. Therefore, the sensing block 310 can generate the first signal intensity and transmit the corresponding signal intensity. The electrode line 220 can be used to know the position of the touch point as the first electrode pattern 320.

第二情況:當使用者的手指410觸碰該觸控面板200時,若在相對應第二電極圖案330感應到一觸碰訊號,而其他相鄰之該感應區塊310未感應到一觸碰訊號,則表示使用者的手指410覆蓋觸控面板200的面積,所投影到的電極圖案只有第二電極圖案330,因此該感應區塊310產生第二訊號強度(第二訊號強度小於第一訊號強度),並傳到相對應的電極線220,就可得知觸碰點為第二電極圖案330的位置。The second case: when the user's finger 410 touches the touch panel 200, if a touch signal is detected in the corresponding second electrode pattern 330, the other adjacent sensing block 310 does not sense a touch. The touch signal indicates that the user's finger 410 covers the area of the touch panel 200, and the projected electrode pattern has only the second electrode pattern 330. Therefore, the sensing block 310 generates the second signal strength (the second signal strength is less than the first The signal intensity is transmitted to the corresponding electrode line 220, and the touch point is the position of the second electrode pattern 330.

第三情況:當使用者的手指410觸碰該觸控面板200時,若在相對應第二電極圖案330感應到一觸碰訊號,以及同一感應區塊310之第一電極圖案320感應到一觸碰訊號,則表示使用者的手指410覆蓋觸控面板200的面積,所投影到的電極圖案包括第一電極圖案320及第二電極圖案330,因此該感應區塊310產生的相對應的第三訊號強度(第三訊號強度介於第一及第二訊號強度之間),並傳到相對應的電極線220,就可得知觸碰點為同一感應區塊310之第一及第二電極圖案320、330之間的位置。The third case: when the user's finger 410 touches the touch panel 200, if a touch signal is detected in the corresponding second electrode pattern 330, and the first electrode pattern 320 of the same sensing block 310 senses one The touch signal indicates that the user's finger 410 covers the area of the touch panel 200. The projected electrode pattern includes the first electrode pattern 320 and the second electrode pattern 330. Therefore, the corresponding portion generated by the sensing block 310 is generated. The three signal strengths (the third signal strength is between the first and second signal strengths) are transmitted to the corresponding electrode lines 220, and the touch points are the first and second of the same sensing block 310. The position between the electrode patterns 320, 330.

第四情況:當使用者的手指410觸碰該觸控面板200時,若相鄰的兩感應區塊310之其中一者的第一電極圖案320感應到一觸碰訊號,以及相鄰的兩感應區塊310之其中另一者的第二電極圖案330亦感應到一觸碰訊號,則表示使用者的手指410覆蓋觸控面板200的面積,所投影到的電極圖案包括該相鄰的兩感應區塊310之第一電極圖案320及第二電極圖案330,因此該第一電極圖案320產生的相對應的第四訊號強度,以及第二電極圖案330產生的相對應的第五訊號強度,會傳到相對應的電極線220,再依據感應到觸碰訊號的感應區塊310位置及觸碰訊號的大小來判斷觸碰點,就可得知觸碰點為該相鄰的兩感應區塊310之間的位置。The fourth case: when the user's finger 410 touches the touch panel 200, if the first electrode pattern 320 of one of the adjacent two sensing blocks 310 senses a touch signal, and two adjacent ones The second electrode pattern 330 of the other of the sensing blocks 310 also senses a touch signal, indicating that the user's finger 410 covers the area of the touch panel 200, and the projected electrode pattern includes the adjacent two. The first electrode pattern 320 and the second electrode pattern 330 of the sensing block 310, and thus the corresponding fourth signal intensity generated by the first electrode pattern 320 and the corresponding fifth signal intensity generated by the second electrode pattern 330, It will pass to the corresponding electrode line 220, and then according to the position of the sensing block 310 sensing the touch signal and the size of the touch signal to determine the touch point, it can be known that the touch point is the adjacent two sensing areas. The location between blocks 310.

除了上述所揭露的單點觸碰點分辨方法之外,本發明還包括多點觸碰點分辨功能。當該觸控面板200有兩個位置以上被觸碰到時,相對應的該些感應區塊310之該第一電極圖案320或/及第二電極圖案330感應到兩個以上觸碰訊號,再依據感應到該些觸碰訊號的該些感應區塊310的位置及訊號大小判斷出觸碰點。換言之,當該觸控面板200有兩個以上的位置被觸碰時,每個位置會有上述單點觸控時的四種情況,在此不予贅述。因此,在相對應的感應區塊310產生觸碰訊號,並傳到相對應的電極線220。再依據感應到觸碰訊號的感應區塊310位置及訊號大小,由上述的四種情況的其中之一種分辨方法或一種以上的分辨方法就可判斷出兩個以上的觸碰點。In addition to the single point touch point resolution method disclosed above, the present invention also includes a multi-touch point resolution function. When the touch panel 200 is touched by two or more positions, the first electrode patterns 320 or/and the second electrode patterns 330 of the corresponding sensing blocks 310 sense two or more touch signals. Then, according to the position and the signal size of the sensing blocks 310 that sense the touch signals, the touch points are determined. In other words, when there are more than two positions of the touch panel 200 being touched, each of the four positions in the single touch operation may be omitted. Therefore, a touch signal is generated at the corresponding sensing block 310 and transmitted to the corresponding electrode line 220. Further, according to the position and signal size of the sensing block 310 sensing the touch signal, two or more touch points can be determined by one of the above four cases or one or more resolution methods.

因此,本發明之觸控面板利用一大一小的電極圖案為一組,以組為單位連接至相對應的電極線,手指觸碰觸控面板時的覆蓋面積所投影到的電極圖案之面積,可產生相對應的訊號強度,如此可藉由訊號強度比例判斷手指在觸控面板上的觸碰位置。然後,再利用演算法運算出觸碰座標,就非常容易達到多點觸控的效果。Therefore, the touch panel of the present invention uses a large and small electrode pattern as a group, and is connected to the corresponding electrode line in units of groups, and the area of the electrode pattern projected by the coverage area when the finger touches the touch panel The corresponding signal strength can be generated, so that the touch position of the finger on the touch panel can be determined by the signal intensity ratio. Then, using the algorithm to calculate the touch coordinates, it is very easy to achieve multi-touch effect.

另外,先前技術之觸控面板的每一電極圖案皆連接至相對應的電極線,而本發明之觸控面板利用一大一小的電極圖案為一組,以組為單位連接至相對應的電極線。相較於先前技術,本發明之觸控面板的電極線可減少一半的數量,仍能達到判斷手指在觸控面板上的多點觸碰位置。In addition, each electrode pattern of the touch panel of the prior art is connected to a corresponding electrode line, and the touch panel of the present invention uses a large and a small electrode pattern as a group, and is connected to the corresponding group in units of groups. Electrode wire. Compared with the prior art, the electrode line of the touch panel of the present invention can be reduced by half, and the multi-touch position of the finger on the touch panel can still be determined.

綜上所述,乃僅記載本發明為呈現解決問題所採用的技術手段之實施方式或實施例而已,並非用來限定本發明專利實施之範圍。即凡與本發明專利申請範圍文義相符,或依本發明專利範圍所做的均等變化與修飾,皆為本發明專利範圍所涵蓋。In the above, it is merely described that the present invention is an embodiment or an embodiment of the technical means for solving the problem, and is not intended to limit the scope of implementation of the present invention. That is, the equivalent changes and modifications made in accordance with the scope of the patent application of the present invention or the scope of the invention are covered by the scope of the invention.

100...電容式單層觸控感測結構100. . . Capacitive single-layer touch sensing structure

110...導電層110. . . Conductive layer

120...感應區塊120. . . Sensing block

130...電訊線路模組130. . . Telecommunications line module

200...觸控面板200. . . Touch panel

210...透明基板210. . . Transparent substrate

220...電極線220. . . Electrode line

221...透明導線221. . . Transparent wire

222...金屬導線222. . . Metal wire

310...感應區塊310. . . Sensing block

320...第一電極圖案320. . . First electrode pattern

330...第二電極圖案330. . . Second electrode pattern

340...導線340. . . wire

410...手指410. . . finger

圖1為先前技術之電容式單層觸控感測結構平面圖;1 is a plan view of a prior art capacitive single layer touch sensing structure;

圖2為本發明之一實施例之觸控面板之電極線及感應區塊分佈圖;以及2 is a distribution diagram of electrode lines and sensing blocks of a touch panel according to an embodiment of the present invention;

圖3為使用者的手指觸摸觸控面板時的示意圖。FIG. 3 is a schematic diagram of a user's finger touching the touch panel.

200...觸控面板200. . . Touch panel

210...透明基板210. . . Transparent substrate

220...電極線220. . . Electrode line

221...透明導線221. . . Transparent wire

222...金屬導線222. . . Metal wire

310...感應區塊310. . . Sensing block

320...第一電極圖案320. . . First electrode pattern

330...第二電極圖案330. . . Second electrode pattern

340...導線340. . . wire

Claims (12)

一種觸控面板,包括:一透明基板;複數條電極線,形成在該透明基板上;以及複數個感應區塊,每一該感應區塊電性連接所對應的每一該電極線,並且每一該感應區塊包括一第一電極圖案以及一第二電極圖案,該第一電極圖案之面積大於該第二電極圖案之面積。A touch panel includes: a transparent substrate; a plurality of electrode lines formed on the transparent substrate; and a plurality of sensing blocks, each of the sensing blocks being electrically connected to each of the electrode lines, and each The sensing block includes a first electrode pattern and a second electrode pattern, and the area of the first electrode pattern is larger than the area of the second electrode pattern. 如申請專利第1項所述之觸控面板,其中該感應區塊包括一導線,用以將該第一電極圖案電性連接於該第二電極圖案。The touch panel of claim 1, wherein the sensing block comprises a wire for electrically connecting the first electrode pattern to the second electrode pattern. 如申請專利第1項所述之觸控面板,其中每一該第一電極圖案所相鄰之前後左右之電極圖案,為同一該感應區塊之該第二電極圖案以及相鄰之感應區塊之該第二電極圖案。The touch panel of claim 1, wherein the electrode pattern adjacent to the front and rear of each of the first electrode patterns is the second electrode pattern of the same sensing block and the adjacent sensing block. The second electrode pattern. 如申請專利第1項所述之觸控面板,其中該第一電極圖案為十字形圖案,且該第二電極圖案為矩形圖案。The touch panel of claim 1, wherein the first electrode pattern is a cross-shaped pattern, and the second electrode pattern is a rectangular pattern. 如申請專利第1項所述之觸控面板,其中該第一電極圖案之面積等於手指觸摸觸控面板時的覆蓋面積,該第二電極圖案之面積等於該第一電極圖案之面積的五分之一。The touch panel of claim 1, wherein an area of the first electrode pattern is equal to a coverage area when the finger touches the touch panel, and an area of the second electrode pattern is equal to five points of an area of the first electrode pattern. one. 一種觸控面板之觸碰點分辨方法,該觸控面板包括複數條電極線以及複數個感應區塊,每一該感應區塊電性連接所對應的每一該電極線,並且每一該感應區塊包括一第一電極圖案以及一第二電極圖案,該第一電極圖案之面積大於該第二電極圖案之面積,該觸碰點分辨方法包括下列步驟:當該觸控面板有一個位置被觸碰到時,則相對應的該感應區塊之該第一電極圖案或/及第二電極圖案感應到一觸碰訊號,再依據感應到該觸碰訊號的該感應區塊的位置及訊號大小判斷出觸碰點。A touch panel distinguishing method for a touch panel, the touch panel includes a plurality of electrode lines and a plurality of sensing blocks, each of the sensing blocks electrically connecting each of the electrode lines, and each of the sensing electrodes The block includes a first electrode pattern and a second electrode pattern. The area of the first electrode pattern is larger than the area of the second electrode pattern. The touch point resolution method includes the following steps: when the touch panel has a position When touched, the first electrode pattern or/and the second electrode pattern of the corresponding sensing block senses a touch signal, and then according to the position and signal of the sensing block sensing the touch signal The size determines the touch point. 如申請專利第6項所述之觸控面板之觸碰點分辨方法,該觸碰點分辨方法更包括下列步驟:當該第二電極圖案感應到一觸碰訊號,以及同一感應區塊之第一電極圖案感應到一觸碰訊號,則該第一電極圖案以及該第二電極圖案之間為觸碰點。The method for distinguishing touch points of a touch panel according to claim 6, wherein the touch point resolution method further comprises the following steps: when the second electrode pattern senses a touch signal and the same sensing block When an electrode pattern senses a touch signal, the first electrode pattern and the second electrode pattern are touch points. 一種觸控面板之觸碰點分辨方法,該觸控面板包括複數條電極線以及複數個感應區塊,每一該感應區塊電性連接所對應的每一該電極線,並且每一該感應區塊包括一第一電極圖案以及一第二電極圖案,該第一電極圖案之面積大於該第二電極圖案之面積,該觸碰點分辨方法包括下列步驟:當該觸控面板有一個位置被觸碰到時,則相對應的該感應區塊之該第一電極圖案或該第二電極圖案感應到一觸碰訊號,以及其他相鄰之該感應區塊之該第一電極圖案及第二電極圖案未感應到一觸碰訊號,再依據感應到該觸碰訊號的該感應區塊的位置及訊號大小判斷出觸碰點。A touch panel distinguishing method for a touch panel, the touch panel includes a plurality of electrode lines and a plurality of sensing blocks, each of the sensing blocks electrically connecting each of the electrode lines, and each of the sensing electrodes The block includes a first electrode pattern and a second electrode pattern. The area of the first electrode pattern is larger than the area of the second electrode pattern. The touch point resolution method includes the following steps: when the touch panel has a position When touched, the first electrode pattern or the second electrode pattern of the corresponding sensing block senses a touch signal, and the first electrode pattern and the second adjacent one of the sensing blocks The electrode pattern does not sense a touch signal, and the touch point is determined according to the position and the signal size of the sensing block that senses the touch signal. 如申請專利第8項所述之觸控面板之觸碰點分辨方法,該觸碰點分辨方法更包括下列步驟:當該第一電極圖案感應到一觸碰訊號,以及其他相鄰之該感應區塊之電極圖案未感應到該觸碰訊號時,則該第一電極圖案為觸碰點。The method for distinguishing touch points of a touch panel according to claim 8, wherein the touch point resolution method further comprises the steps of: sensing a touch signal when the first electrode pattern, and other adjacent ones of the touch patterns; When the electrode pattern of the block does not sense the touch signal, the first electrode pattern is a touch point. 如申請專利第8項所述之觸控面板之觸碰點分辨方法,該觸碰點分辨方法更包括下列步驟:當該第二電極圖案感應到一觸碰訊號,以及其它相鄰之該感應區塊之電極圖案未感應到該觸碰訊號時,則該第二電極圖案為觸碰點。The method for distinguishing touch points of a touch panel according to claim 8, wherein the touch point resolution method further comprises the steps of: sensing a touch signal when the second electrode pattern, and other adjacent ones of the touch patterns; When the electrode pattern of the block does not sense the touch signal, the second electrode pattern is a touch point. 一種觸控面板之觸碰點分辨方法,該觸控面板包括複數條電極線以及複數個感應區塊,每一該感應區塊電性連接所對應的每一該電極線,並且每一該感應區塊包括一第一電極圖案以及一第二電極圖案,該第一電極圖案之面積大於該第二電極圖案之面積,該觸碰點分辨方法包括下列步驟:當該觸控面板有一個位置被觸碰到,且相鄰的兩感應區塊之其中一者的第一電極圖案感應到一觸碰訊號,以及相鄰的兩感應區塊之其中另一者的第二電極圖案亦感應到一觸碰訊號時,則該相鄰的兩感應區塊之間的位置為觸碰點。A touch panel distinguishing method for a touch panel, the touch panel includes a plurality of electrode lines and a plurality of sensing blocks, each of the sensing blocks electrically connecting each of the electrode lines, and each of the sensing electrodes The block includes a first electrode pattern and a second electrode pattern. The area of the first electrode pattern is larger than the area of the second electrode pattern. The touch point resolution method includes the following steps: when the touch panel has a position Touching, and the first electrode pattern of one of the two adjacent sensing blocks senses a touch signal, and the second electrode pattern of the other of the adjacent two sensing blocks senses When the signal is touched, the position between the adjacent two sensing blocks is a touch point. 一種觸控面板之觸碰點分辨方法,該觸控面板包括複數條電極線以及複數個感應區塊,每一該感應區塊電性連接所對應的每一該電極線,並且每一該感應區塊包括一第一電極圖案以及一第二電極圖案,該第一電極圖案之面積大於該第二電極圖案之面積,該觸碰點分辨方法包括下列步驟:當該觸控面板有兩個位置以上被觸碰到時,相對應的該些感應區塊之該第一電極圖案或/及第二電極圖案感應到兩個以上觸碰訊號,再依據感應到該些觸碰訊號的該些感應區塊的位置及訊號大小判斷出觸碰點。A touch panel distinguishing method for a touch panel, the touch panel includes a plurality of electrode lines and a plurality of sensing blocks, each of the sensing blocks electrically connecting each of the electrode lines, and each of the sensing electrodes The block includes a first electrode pattern and a second electrode pattern. The area of the first electrode pattern is larger than the area of the second electrode pattern. The touch point resolution method includes the following steps: when the touch panel has two positions When the above is touched, the first electrode pattern or/and the second electrode pattern of the corresponding sensing blocks sense two or more touch signals, and then according to the sensings that sense the touch signals. The location of the block and the size of the signal determine the touch point.
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