TW201102895A - Ultra-thin mutual capacitance touch panel and assembly-type ultra-thin touch panel - Google Patents

Ultra-thin mutual capacitance touch panel and assembly-type ultra-thin touch panel Download PDF

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TW201102895A
TW201102895A TW98123392A TW98123392A TW201102895A TW 201102895 A TW201102895 A TW 201102895A TW 98123392 A TW98123392 A TW 98123392A TW 98123392 A TW98123392 A TW 98123392A TW 201102895 A TW201102895 A TW 201102895A
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electrode
sensing
touch panel
driving
mutual
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TW98123392A
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Chinese (zh)
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Michael Mo
jing-kai Zhang
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Focaltech Systems Ltd
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Abstract

An ultra-thin mutual capacitance touch panel and the assembly-type ultra-thin touch panel formed therefrom are disclosed. The ultra-thin mutual capacitance touch panel comprises a driving electrode group electrically connected to the excitation signal source disposed external to the touch panel, and a sensing electrode group electrically connected to a sensing control module external to the touch panel. The driving electrode group comprises plate-shaped driving electrodes made of vitreous conducting materials, in which the driving electrodes are connected in serial and/or parallel. The sensing electrode group comprises plate-shaped sensing electrodes made of vitreous conducting materials, in which the sensing electrodes are connected in serial and/or parallel. Especially, at least one electrode produces a plate area of the inherent mutual electric field less than the plate area of the variable mutual electric field among any arbitrary pair of adjacent driving electrode and sensing electrode. The invention makes the touch panel thinner, and ensures a higher effective electric permittivity.

Description

201102895 六、發明說明: 【發明所屬之技術領域】 本發明係關於觸摸感應輸入裝置,特別是關於以互電 容作爲感應元件的觸摸輸入裝置。 【先前技術】 觸控板是現在被廣泛應用的一種觸摸傳感輸入裝置。 按觸摸感應原理,現有技術觸控板包括電阻式觸控板、電 容式觸控板、表面紅外觸控板等等。其中,電阻式觸控板 因爲其低成本、易實現、控制簡單等優點流行多年。近來, 電合式觸1$板以其透光率高、耐磨損、耐環境溫度變化、 耐壤境濕度變化、壽命長、可實現如多點觸摸的高級複雜 功能而受到大衆的歡迎。 利用電容變化作爲傳感原理由來已久。爲使觸控板有 效=作,需要一個透明的電容傳感陣列。當人體或者如手 寫筆的專用觸摸裝置接近觸控板的觸摸平面時,會改變傳 感控制電路檢測到的電容值的大小,根據觸摸區域内電容 值變化的分布,就可以判斷出人體或者專關摸裝置在觸 摸區域⑽_情况。按電舞朗H财技賴控 板^括自電#式觸控板和互電容式觸控板^自電容式觸控 板疋利用傳感電極與交流地或者直流電平電極形成的電容 ::變化作爲觸摸傳感的信號;互電容式觸控板是利用兩 ^間城的電容值的變化作爲觸摸傳感的信號 也把互電容稱爲投射電容。 丁 201102895 如第10圖所示,現有技術互電容式觸控板包括觸摸平 面1〇0',不在同一平面的驅動線210,和傳感線310',以及 夾在該驅動線210,和傳感線31〇,之間的介質平面91〇,。如 第10—1圖和第10 —2圖所示,所述各個驅動線21〇,互相 平行’所述各個傳感線310,互相平行,並且所述驅動線21〇, 與傳感線310’在空間垂直交叉。該驅動線21〇,電性連接激 勵信號,該傳感線310'電性連接傳感控制電路,從而在驅 動線210與傳感線31〇,間形成互電容。在該驅動線2,與 傳感線310'交叉之處形成的互電容c是傳感控制電路檢測 的主要電谷數據仏號。如第—3圖所示,該互電容匸包 括驅動線210'與傳感、線31〇'底部之間的電容CB和驅動線 與傳感線310'頂部之間的電容CT,即C = CB + CT。如 第ίο —4圖所示’當手指15〇,接觸觸摸平面1〇〇^並在觸摸 區域内時,該手指150,相當於在傳感線31〇,之上的一個電 極,改變了驅動線210,與傳感線31〇,頂部之間電場,這種 改1可以看作手指15〇’將驅動線21〇,到傳感線頂部電 場線吸走,從而使CT發生變化,導致該互電容c發生變 化。該傳感控制電路檢測觸摸平面1〇〇,的整個觸摸區域内 的互電容C變化情况,以確定觸摸區域内的被觸摸點的位 置和强度。透過合理設計傳感控制電路,該傳感控制電路 能夠 #同時檢測觸摸平面丨〇 〇'上發生的多點觸摸的分布情 况κ現傳感多點觸摸功能。該CT值的變化範圍在未發生 觸摸時的互電谷c中所占比例被稱爲有效電容率。 針對分層設置驅動線210'和傳感線31〇,的互電容式觸 201102895 控板,現有技術中存在'些提局有效電容率的方法和能夠 提高有效電容率的電極設置結構,但是,爲了確保取得最 佳的有效電容率,在該驅動線210'和傳感線310'各自所在 平面之間需要存在至少數百微米的空隙。也就是說,存在 所述空隙的分層結構是實現提高現有技術互電容觸控板的 有效電容率的前提條件。顯然,現有技術互電容式觸控板 的分層結構已經成爲觸控板向超薄方向發展的制約因素。 如果將現有技術中的驅動線210'和傳感線310'設置在同一 平面,即同一層,同時對驅動線210'和傳感線310'之間進 行必要的絕緣處理,.雖然可以適應觸控板向超薄方向發 展,但其有效電容率較低,需要配合複雜的外部控制電路。 而且,所述單層觸控板的電場分布與分層結構觸控板的電 場分布完全不同,現有技術中用於提高分層結構觸控板的 有效電容率的方法和結構已經不能用於單層的觸控板内, 需要設計新的方法和/或結構以解決在單層互電容觸控板 内有效提高有效電容率的問題。另外,分層結構觸控板的 製造技術複雜,對驅動線210'和傳感線310'的定位精度要 求高,對生産設備、材料、技術、程序都提出了較高的要 求,不僅增加了産品的成本,而且在一定程度上影響了成 品率。 【發明内容】 本發明要解決的技術問題在於避免現有技術的不足之 處而提出一種具有較高有效電容率的單層超薄型觸控板及 201102895 組合式觸控板。 本發明解決所述技術問題可以透過採用以下技術 來實現: x 設計、製造一種超薄型互電容觸控板,包括與該觸控 板外設的激勵信號源電性連接的驅動電極群和與該觸护板 外設的傳感控制模塊電性連接的傳感電極群;該驅動餘 群包括串聯和⑼並聯在—起以透㈣電材料形成 的驅動電極,該傳感電極群包括串聯和/或並聯在—起 明導電材料形成平板狀的傳感電極;尤其是,該驅動電極 群和傳感電極群設置在同-平面内,它們各自的連接線互 但不電接觸;而且,所述各驅動電極與各傳感電極 在該同-平面内互相間隔地布滿觸控板的整個觸摸區域. 在交叉相_義電極與傳感電極之間形成的電括不 會因外部導電電極影響而改變的固有互電場和能夠受 導電電極影響而改變的可變互電埸.左 电琢,在該觸控板任意一對 所述相鄰的驅動電極和傳感電極中,$小 τ 主夕有一個電極産生 所述固有互電場的極板面積^其産生可變互電場的極板 面積。 進-步,該驅動電極和/或傳感電極各自的極板内還可 以設置有至少一個鏤空的區域。 另外,該觸控板還=亞電植群,該亞電極群包括互 不電性連接錢明導電㈣形成_立的亞電極,各亞電 極設置在驅動電極與傳=極<間的間隔㉞區域、驅動 電極内的鏤空區域和感應電極内的鏤空區域中的至,i、一個 201102895 區域中。 爲進一步提高有效電容率,該觸控板還包括電懸空、 直接接地、或者與該觸控板外設的直流源電性連接以透明 導電材料形成的屏蔽電極,該屏蔽電極設置在驅動電極群 與傳感電極群所在平面底部的平面區域、驅動電極與彳專< 電極之間的間隔空隙區域、驅動電極内的鏤空區域和咸麻 電極内的鏤空區域中的至少一個區域中。 該驅動電極群和傳感電極群所在平面頂部設置… 明絕緣材料製成的護罩板;該驅動電極群和傳^極^ =平面底部直接安裝在外設的顯示屏頂部,或者設置有底 該驅動電極的形狀包括菱形、矩形和六邊形 電極的形狀也包括菱形、矩形和六邊形。 z感 本發明解決所述技術問題還可 段來實現: 狀抹用以下技術手 設計、製造一種組合式超薄型觸控板, ==觸摸面板,尤其是’還包括被該觸摸面板覆蓋緊 至少兩個互電容觸摸單元,該互電容觸摸單元二 組合式超薄型觸控板外設的對應於該互電 = 板外簡^ 及與該組合式超薄型觸控 極群;該驅動電極群包括串聯和/或並聯在-起 電材料形成平板狀的驅動電極,該傳感電極群包 201102895 括串聯和/或並聯在· 起以透明導電材料製成平板狀的傳 感電極,該驅動電極群和傳感電極群設置在同一平面内, 它們各自的連接線互相交叉但不電接觸;而且,所述各驅 動電極與各傳感電極在該同一平面内互相間隔地布滿觸控 板的整個觸摸區域;在交叉相鄰的驅動電極與傳感電極之 間形成的電場包括不會因外部導電電極影響而改變的固有 互電場和能夠受外部導電電極影響而改變的可變互電場; 在該觸控板任意一對所述相鄰的驅動電極和傳感電極中, 至少有一個電極産生所述固有互電場的極板面積小於其産 生可變互電場的極板面積。 進一步地,該驅動電極和/或傳感電極各自的極板内還 可以設置有至少一個鏤空的區域。 該互電容觸摸單元還包括亞電極群,該亞電極群包括 互不電性連接以透明導電材料形成獨立的亞電極,各亞電 極設置在驅動電極與傳感電極之間的間隔空隙區域、驅動 電極内的鏤空區域和感應電極内的鏤空區域中的至少一個 區域中。 該組合式超薄型觸控板還包括以透明導電材料製成的 屏蔽電極連接線,以及屏蔽電極引出導線;該互電容觸摸 單元還包括以透明導電材料形成的屏蔽電極,該屏蔽電極 設置在驅動電極群與傳感電極群所在平面底部的平面區 域、驅動電極與傳感電極之間的間隔空隙區域、驅動電極 内的鏤空區域和感應電極内的鏤空區域中的至少一個區域 中;該屏蔽電極電懸空;或者,借助該屏蔽電極連接線, 201102895 該互包a觸板單疋各自的屏蔽電極電性連接在—起,並透 過屏蔽電極引出導線接地或者與組合式超薄型互電容觸控 板外設的直流源電性連接;又或者,借助屏蔽電極引出導 線’該互電谷觸摸單元各自的屏蔽電極直接接地或者與組 合式互電容觸控板外設的直流源電性連接。 同現有技術相比較,本發明“超薄型互電容觸控板及 組合式超薄型觸控板”的技術效杲在於: 本發明使該觸控板採用單層結構,即將相當於現有技 術驅動線的驅動電極群和相當於現有技術傳感線的傳感電 極群設置於同一平面内,使本發明觸控板適應向超薄方向 發展的趨勢;並且本發明使該單層結構的觸控板的可變互 電場的强度加强,而使其固有互電場的强度減弱,增强了 主要受可變互電場影響的可變電容變化範圍在整個互電容 中占有比例’從而提高了觸控板中互電容的有效電容率; 該亞電極和屏蔽電極的加入更加强化了上述技術效果,從 而更進一步的提高了該單層觸控板的有效電容率,同時, 提高了觸控板的觸摸分辨率,使觸控板的投光率趨於一致。 【實施方式】 以下結合附圖所示各實施例作進一步詳述。 如前所述,現有技術觸控板的驅動線和傳感線相當於 形成一個電容的兩個相對電極板。當將驅動電極和傳感電 極設置在同一平面上時,驅動電極和傳感電極之間的互電 場已經完全不同於現有技術觸控板的相對電極之間的t 201102895 ΐι〇 和傳 場。如第9圖所示’所述在同一平面的驅動電極 板影響而 而改變 感電極210〃之間的互電場包括不會因外部導電略 改變的固有互電場FB和能夠受外部導電蝥& θ 电極影迦 的可變互電場FV ’由該兩電場各自相應形成驅動、人笑 感電極之間的固有電容CB和可變電容CV,那府和傳 和傳感電極之間的互電容c應當滿足: 效電容率應當是△(:¥/0本發明就是力圖使囡亡&’其有201102895 VI. Description of the Invention: [Technical Field] The present invention relates to a touch sensing input device, and more particularly to a touch input device using mutual capacitance as an inductive element. [Prior Art] A touch panel is a touch sensing input device that is now widely used. According to the principle of touch sensing, the prior art touch panel includes a resistive touch panel, a capacitive touch panel, a surface infrared touch panel, and the like. Among them, the resistive touch panel has been popular for many years because of its low cost, easy implementation, and simple control. Recently, the electro-mechanical touch 1$ plate has been popularly welcomed by the public for its high light transmittance, wear resistance, environmental temperature change resistance, change in soil moisture resistance, long life, and advanced complex functions such as multi-touch. The use of capacitance changes as a sensing principle has been around for a long time. In order for the touchpad to be effective, a transparent capacitive sensing array is required. When the human body or a special touch device such as a stylus approaches the touch plane of the touch panel, the magnitude of the capacitance detected by the sensing control circuit is changed, and according to the distribution of the capacitance value in the touch region, the human body or the specialized The touch device is in the touch area (10) _ case. According to the electric dance lang H financial technology control board ^ self-powered #-type touch panel and mutual capacitive touch panel ^ self-capacitive touch panel 疋 using the sensing electrode and AC ground or DC level electrode formed capacitor:: The change is used as the signal of the touch sensing; the mutual capacitive touch panel uses the change of the capacitance value of the two cities as the signal of the touch sensing, and also refers to the mutual capacitance as the projected capacitance. Ding 201102895 As shown in FIG. 10, the prior art mutual capacitive touch panel includes a touch plane 1〇0', a driving line 210 not in the same plane, and a sensing line 310', and is sandwiched by the driving line 210, and transmitted The sense line is 31 〇, and the medium plane is 91〇. As shown in FIGS. 10-1 and 10-2, the respective driving lines 21〇 are parallel to each other 'the respective sensing lines 310 are parallel to each other, and the driving lines 21〇 and the sensing lines 310 'Vertically intersect in space. The driving line 21 is electrically connected to the excitation signal, and the sensing line 310' is electrically connected to the sensing control circuit to form a mutual capacitance between the driving line 210 and the sensing line 31A. At the drive line 2, the mutual capacitance c formed at the intersection with the sense line 310' is the main electric valley data sigma detected by the sensing control circuit. As shown in FIG. 3, the mutual capacitance 匸 includes the capacitance CB between the driving line 210' and the sensing, the bottom of the line 31'' and the capacitance CT between the driving line and the top of the sensing line 310', that is, C = CB + CT. As shown in Fig. 4, when the finger 15 turns, touches the touch plane 1〇〇^ and is in the touch area, the finger 150, which corresponds to an electrode above the sensing line 31〇, changes the driving. Line 210, and the sensing line 31 〇, the electric field between the top, this change can be seen as the finger 15 〇 ' drive line 21 〇, the electric field line at the top of the sensing line is sucked away, so that the CT changes, resulting in The mutual capacitance c changes. The sensing control circuit detects a change in the mutual capacitance C in the entire touch area of the touch plane 1 , to determine the position and intensity of the touched point within the touch area. By reasonably designing the sensing control circuit, the sensing control circuit can simultaneously detect the distribution of multi-touch occurring on the touch plane κ ', and now sense the multi-touch function. The proportion of the variation of the CT value in the mutual electricity valley c when no touch occurs is referred to as the effective permittivity. For the mutual-capacitance touch 201102895 control board for layering the driving line 210' and the sensing line 31A, there are some methods for improving the effective permittivity and an electrode setting structure capable of increasing the effective permittivity in the prior art, however, In order to ensure an optimum effective permittivity, a gap of at least several hundred microns is required between the respective planes of the drive line 210' and the sense line 310'. That is to say, the existence of the layered structure of the voids is a prerequisite for improving the effective permittivity of the prior art mutual capacitance touch panel. Obviously, the layered structure of the prior art mutual capacitive touch panel has become a limiting factor for the development of the touch panel in the ultra-thin direction. If the driving line 210' and the sensing line 310' in the prior art are disposed on the same plane, that is, the same layer, and the necessary insulation treatment between the driving line 210' and the sensing line 310' is performed, although it can be adapted to touch The control board develops in the ultra-thin direction, but its effective capacitance rate is low, and it needs to cooperate with complicated external control circuits. Moreover, the electric field distribution of the single-layer touch panel is completely different from the electric field distribution of the layered touch panel. The method and structure for improving the effective permittivity of the layered touch panel in the prior art cannot be used for single In the layer of touchpad, new methods and/or structures need to be designed to solve the problem of effectively increasing the effective permittivity in a single-layer mutual-capacitance touch panel. In addition, the manufacturing technology of the layered touch panel is complicated, and the positioning precision of the driving line 210' and the sensing line 310' is high, and high requirements are imposed on production equipment, materials, technologies, and programs, which not only increases The cost of the product, and to some extent affect the yield. SUMMARY OF THE INVENTION The technical problem to be solved by the present invention is to avoid a disadvantage of the prior art and to provide a single-layer ultra-thin touch panel with a higher effective permittivity and a 201102895 combined touch panel. The technical problem of the present invention can be achieved by adopting the following technologies: x designing and manufacturing an ultra-thin mutual-capacitance touch panel, including a driving electrode group electrically connected to an excitation signal source of the touch panel peripheral a sensing electrode group electrically connected to the sensing control module of the touch panel peripheral; the driving residual group includes a series and (9) driving electrodes formed in parallel with the (four) electrical material, the sensing electrode group including the series and And/or in parallel, the conductive material forms a flat sensing electrode; in particular, the driving electrode group and the sensing electrode group are disposed in the same plane, and their respective connecting lines are not in electrical contact with each other; The driving electrodes and the sensing electrodes are spaced apart from each other in the same plane to cover the entire touch area of the touch panel. The electrical wiring formed between the cross-phase electrode and the sensing electrode is not caused by the external conductive electrode. The intrinsic mutual electric field that changes and changes and the variable mutual electric power that can be changed by the influence of the conductive electrode. The left electric cymbal, in any pair of the adjacent driving electrodes and sensing electrodes of the touch panel, $ small τ Main eve There is an electrode that produces the plate area of the intrinsic mutual electric field which produces a variable mutual electric field plate area. Further, at least one hollowed out region may be disposed in each of the driving electrodes and/or the sensing electrodes. In addition, the touch panel further includes a sub-electrode group, and the sub-electrode group includes a sub-electrode that is electrically connected to each other (4) to form a vertical electrode, and each sub-electrode is disposed at an interval between the driving electrode and the transmitting electrode. In the area of 34, the hollowed out area in the driving electrode and the hollowed out area in the sensing electrode, i, a 201102895 area. In order to further increase the effective permittivity, the touch panel further includes a floating electrode, a direct ground, or a shield electrode formed by electrically connecting a DC source of the touch panel peripheral with a transparent conductive material, and the shield electrode is disposed on the driving electrode group. At least one of a planar region at the bottom of the plane where the sensing electrode group is located, a gap region between the driving electrode and the electrode, a hollow region in the driving electrode, and a hollow region in the salt-bearing electrode. The top of the plane of the driving electrode group and the sensing electrode group is disposed... a shield plate made of a transparent insulating material; the driving electrode group and the bottom of the transmitting electrode are directly mounted on the top of the display screen of the peripheral device, or the bottom is provided The shapes of the drive electrodes including the shapes of the rhombic, rectangular, and hexagonal electrodes also include diamonds, rectangles, and hexagons. The invention solves the technical problem and can also be implemented in segments: The following technology is used to design and manufacture a combined ultra-thin touch panel, == touch panel, especially 'also includes being covered by the touch panel tightly At least two mutual capacitance touch units, the mutual capacitance touch unit two combined ultra-thin touch panel peripherals corresponding to the mutual power = off-board and the combined ultra-thin touch pole group; the drive The electrode group includes driving electrodes that are formed in a flat shape in series and/or in parallel with the electrification material, and the sensing electrode group package 201102895 includes sensing electrodes that are connected in series and/or in parallel with a transparent conductive material. The driving electrode group and the sensing electrode group are disposed in the same plane, and their respective connecting lines cross each other but are not in electrical contact; further, the driving electrodes and the sensing electrodes are spaced apart from each other in the same plane. The entire touch area of the board; the electric field formed between the adjacent drive electrodes and the sense electrodes includes an intrinsic mutual electric field that does not change due to the influence of the external conductive electrodes and can be affected by the external conductive electrodes a variable mutual electric field that changes in response; wherein at least one of the pair of adjacent driving electrodes and sensing electrodes of the touch panel generates an area of the intrinsic mutual electric field that is smaller than a variable mutual The plate area of the electric field. Further, at least one hollowed out region may be disposed in each of the driving electrodes and/or the sensing electrodes. The mutual capacitance touch unit further includes a sub-electrode group including mutually non-electrical connections formed of transparent conductive materials to form independent sub-electrodes, each sub-electrode being disposed in a gap region between the driving electrode and the sensing electrode, driving At least one of a hollow region in the electrode and a hollow region in the sensing electrode. The combined ultra-thin touch panel further includes a shield electrode connection line made of a transparent conductive material, and a shield electrode lead-out wire; the mutual-capacitive touch unit further includes a shield electrode formed of a transparent conductive material, the shield electrode is disposed at The shielding electrode group and the planar region at the bottom of the plane where the sensing electrode group is located, the gap region between the driving electrode and the sensing electrode, the hollow region in the driving electrode, and the hollow region in the sensing electrode; the shielding The electrode is electrically suspended; or, by means of the shield electrode connection line, 201102895, the respective shield electrodes of the mutual contact a-plate are electrically connected, and the lead wire is grounded through the shield electrode or combined with the ultra-thin mutual capacitance contact The DC source of the control board peripheral is electrically connected; or, the shield lead is used to lead the lead wire. The shield electrodes of the mutual power touch unit are directly grounded or electrically connected to the DC source of the combined mutual capacitance touch panel peripheral. Compared with the prior art, the technical effect of the "ultra-thin mutual capacitance touch panel and the combined ultra-thin touch panel" of the present invention is as follows: The present invention makes the touch panel adopt a single layer structure, which is equivalent to the prior art. The driving electrode group of the driving line and the sensing electrode group corresponding to the prior art sensing line are disposed in the same plane, so that the touch panel of the present invention is adapted to the trend toward the ultra-thin direction; and the present invention makes the single-layer structure touch The strength of the variable mutual electric field of the control board is strengthened, and the intensity of the intrinsic mutual electric field is weakened, and the variable capacitance range mainly affected by the variable mutual electric field is increased in proportion to the entire mutual capacitance, thereby improving the touch panel. The effective permittivity of the mutual capacitance; the addition of the sub-electrode and the shielding electrode further enhances the above technical effects, thereby further improving the effective permittivity of the single-layer touch panel and improving the touch resolution of the touch panel. Rate, so that the light-emitting rate of the touchpad tends to be consistent. [Embodiment] Hereinafter, each embodiment shown in the drawings will be further described in detail. As previously mentioned, the drive and sense lines of prior art touch panels are equivalent to two opposing electrode plates that form a capacitor. When the driving electrode and the sensing electrode are disposed on the same plane, the mutual electric field between the driving electrode and the sensing electrode is completely different from the t 201102895 ΐι〇 and the field between the opposite electrodes of the prior art touch panel. As shown in FIG. 9 , the mutual electric field between the sensing electrodes 210 影响 affected by the driving electrodes in the same plane includes an intrinsic mutual electric field FB that does not slightly change due to external conduction and can be subjected to external conductive 蝥 & The variable mutual electric field FV ' of the θ electrode image is formed by the respective electric fields, the inherent capacitance CB between the human smile electrodes and the variable capacitance CV, and the mutual capacitance between the transfer and the sensing electrodes c should be satisfied: The effective capacitance rate should be △ (: ¥ / 0 The invention is trying to make the death &

丨足固有電容CB 減小,可變電容CV增大,即增强可變互電場Fv %污fv,而消弱 固有互電場FB。 本發明係關於一種超薄型互電容觸控板,包括與^歹觸 控板外設的激勵信號源800電性連接的驅動電極群1〇〇和 與該觸控板外設的傳感控制模塊900電性連接的傳感電極 群200 ;該驅動電極群1〇〇包括串聯和/或並聯在一起以透 明導電材料形成平板狀的驅動電極11〇,該傳感電極群2〇〇 包括串聯和/或並聯在一起以透明導電材料形成平板狀的 傳感電極210 ;尤其是,該驅動電極群1〇〇和傳感電極群 200设置在同一平面内,它們各自的連接線12〇、22〇互相 交叉但不電接觸;而且,所述各驅動電極nG與各傳感電 極210在該同—平面内互相間隔地布滿觸控板的整個觸摸 區Ί又又相鄰的驅動電極11G與傳感電極⑽之間形 ,的電場^括不會因外部導電電極影響而改變的固有互電 夠”卜部導電電極影響而改變的可變互電場 ⑽任意—對所述相鄰的驅動電極110和傳感 電極210中,至,丨、女 、 有—個電極產生所述固有互電場FB的極 201102895 板面積小於其産生可變互電場FV的極板面積。 一般情况下,在驅動電極110和傳感電極21〇互相靠 近的區域之間生成固有互電場FB,而在驅動電極11 〇和傳 感電極210其它區域之間生成可變互電場p>v。通常情况 下’固有互電場FB的强度大於其産生可變互電場fv,只 有在産生所述固有互電場FB的極板面積小於其産生可變 互電場FV的極板面積的情况下,才能使可變互電場FV的 强度大於或者等於固有互電場FB的强度,從而有效提高觸 控板的有效電容率。 该驅動電極110的形狀包括菱形、矩形和六邊形;該 傳感電極210的形狀也包括菱形、矩形和六邊形。電極的 形狀並不能體現出電極的種類,只有其連接的設備決定電 . 極的種類,即,與觸控板外設的激勵信號源800電性連接 的電極是驅動電極110;與該觸控板外設的傳感控制模塊 900電性連接的電極是傳感電極21〇。 該驅動電極連接線120和傳感電極連接線22〇互相交 叉但不電接觸可以透過以下方式實現:第一,該驅動電極 群1〇〇和傳感電極群200設置在同一平面内,且分別在極 薄的絕緣塑料膜的正反兩面上’從而它們各自的連接線互 相在空間交又,第二,在驅動電極連接線12〇和傳感電極 連接線220立相父叉之處設置絕緣片,令兩連接線ι2〇、22〇 ’互相絕緣。 另外,如第1圖、第5圖至第7圖所示,該觸控板還 應當包括以透明絕緣材料製成的護罩板5〇〇,設置在驅動電 201102895 極群100和傳感電極群200所在平面頂部,以保護驅動電 極群100和傳感電極群200,並爲使用者提供觸摸平面。而 該驅動電極群100和傳感電極群2〇〇所在平面底部可以直 接女裝在外s又的顯示屏600頂部,如第1圖所示;還可以 設置有底板700 ’如第5圖至第7圖所示。 在該觸控板任意一對所述相鄰的驅動電極11〇和傳感 電極210中,至少有一個電極産生該固有互電場的極板 面積小於其産生可變互電場FV的極板面積的結構有很 多,下面透過幾個實施例進一步說明各種結構: 第一種結構,單純使驅動電極11〇和傳感電極21〇各 自的極板面積產生差異,從而造成使産生該固有互電場FB 的極板面積小於其産生可變互電場Fv的極板面積。本發明 第一實施例,如第1一1圖所示,該驅動電極11〇和傳感電 極210的形狀都是矩形’驅動電極UQ採用長方形極板, 傳感電極㈣jE方形極板,而且傳感電極21()的極板面積 明顯大於驅動電極11G的極板面積。該第—實施例在沒有 觸拉和發生觸模時的電場分布情况分別如第丨_2圖和第! —3圖所不,由於極板面積存在差異,必然造成了産生該固 有互電場FB的極板面積小於其產生可變互電場fv的極板 面積,從而使可變互電場FV的强度增强,而使固有互電場 Μ的强度相對減弱,提高了觸控板的有效電容率。本發明 第二實施例’如第2圖所示’該驅動電極ug採用六邊形 極板,該傳感電極21〇採用菱形極板,而且傳感電極21〇 的極板面積明_大於驅動電極11G的極板面積。該第二實 12 201102895 施例的電場分布情况與第一實施例基本相同。本發明第三 實施例,如第3 — 1圖所示,該驅動電極110和傳感電極210 都採用正方形的極板,在該驅動電極110的極板内設置有 至少一個鏤空的區域,即驅動電極鏤空區域130,從而造成 驅動電極110和傳感電極210的極板面積差。當然,容易 想到,如第3 —2圖所示,還可以僅僅在傳感電極210的極 板内設置有至少一個鏤空的區域,即傳感電極鏤空區域 230;如第3 — 3圖所示,在該驅動電極110和傳感電極210 各自的極板内均設置有至少一個鏤空的區域,即驅動電極 鏤空區域130和傳感電極鏤空區域230。該第三實施例的電 場分布情况與第一實施例在原理上基本相同。從電極分布 結構的角度來說,該第一實施例至第三實施例的驅動電極 110和傳感電極210可以互換,即電極種類不受極板面積影 響。同理,從電極分布結構的角度來說,以下各實施例的 驅動電極110和傳感電極210都可以互換。 第二種結構,不僅使驅動電極110和傳感電極210各 自的極板面積産生差異,還在驅動電極110和傳感電極210 之間設置較大的間隙。本發明第四實施例,如第4圖所示, 該驅動電極110採用面積較小的正方形極板,該傳感電極 210採用面積較大的正方形極板,而且在驅動電極110和傳 感電極210之間設置了較寬的間隙。該第四實施例的電場 分布情况與第一實施例基本相同,由於該間隙的存在,拉 開驅動電極110和傳感電極210之間的極板距離,相對沒 有所述間隙的情况,不僅使産生該固有互電場FB的極板面 13 201102895 積變小,而且還進一步使固有互電場FB的强度減弱,從而 更佳提高觸控板的有效電容率。 第三種結構,僅透過加入亞電極,間接造成使産生該 固有互電場FB的極板面積小於其産生可變互電場FV的極 板面積。本發明該觸控板還包括亞電極群300,該亞電極群 包括互不電性連接以透明導電材料形成的獨立的亞電極 310。本發明第五實施例在第四實施例的基礎上,如第5—1 圖所示,將各亞電極310設置在驅動電極110與傳感電極 210之間的間隔空隙區域内。該亞電極310不僅可以改善觸 控板透光率的一致性,還有助於使産生該固有互電場FB的 極板面積小於其産生可變互電場FV的極板面積。加入亞電 極310後,在觸控板沒有被觸摸和被觸摸的情况下的電場 分布情况分別如第5 — 2圖和第5 — 3圖所示,由於加入所 述亞電極310,使驅動電極110發出的電場線中有更多的電 場線通過亞電極310到達傳感電極210。而通過亞電極310 到達傳感電極210的電場線穩定性差,很容易受外部電極 影響,因此所述因該亞電極310生成的電場應當是可變互 電場FV的一部分,該亞電極310的極板面積幾乎都用於形 成可變互電場FV,從而該亞電極310的加入使産生可變互 電場FV的極板面積更進一步的增加,進而增加了觸控板的 有效電容率。容易想到,該亞電極310還可以設置在觸控 板中的其它任何空隙區域,如驅動電極110内的鏤空區域 130和感應電極210内的鏤空區域230中的至少一個區域 中。如第5 —4圖所示,在本發明第三實施例的第3—1圖 14 201102895 戶斤示的電極77布結構基礎上,在驅動電極鏤空區域⑽内 設置有所述亞電極310。而在第三實施例的第3 —2圖和第 3 3圖所示的電極分布基礎上,在驅動電極鏤空區域13〇 和/或傳㉟电極鏤空區域230内設置該亞電才也是顯而 易見的。 第四種結構,僅透過加入屏蔽電極,間接造成使產生 該固有互電場FB的極板面積小於其産生可變互電場FV的 極板面積。本發明還包括電懸空、直接接地、或者與該觸 控板外δ又的直流源電性連接以透明導電材料形成的屏蔽電 極400。如第6圖所示,本發明第六實施例在第四實施例基 礎上,將屏蔽電極400設置在驅動電極群100與傳感電極 群200所在平面底部的平面區域。由於加入屏蔽電極400, 驅動電極110發出的部分電場線直接到達屏蔽電極4〇〇而 不能到達傳感電極210,進一步減小產生所述固有互電場 FB的極板面積,從而提高了觸控板的有效電容率。另外, 該屏蔽電極400還可以設置在其它任何空隙區域,如在本 發明第三實施例基礎上,將屏蔽電極4〇〇設置在驅動電極 110與傳感電極210之間的間隔空隙區域、驅動電極u〇 内的鏤空區域130和感應電極210内的鏤空區域230中的 至少一個區域中。 第五種結構’同時加入亞電極和屏蔽電極,間接造成 使產生該固有互電場FB的極板面積小於其産生可變互電 場FV的極板面積。本發明第七實施例以第四實施例爲基 礎’將各亞電極310設置在驅動電極no與傳感電極21〇 15 201102895 之間的間隔空隙區域内’同時將屏敝電極4 0 0設置在驅動 電極群100與傳感電極群200所在平面底部的平面區域。 本發明第七實施例的觸控板在沒有被觸摸時和在被觸摸時 的電場分別如第7—1圖和第7 —2圖所示,在該亞電極310 和屏蔽電極400的共同作用下,使産生可變互電場FV的極 板面積進一步擴大,使産生該固有互電場FB的極板面積進 一步擴大,從而令觸控板有更好的有效電容率。當然,如 第7 —3圖所示,以第三實施例的第3 —3圖所示電極分布 情况爲基礎,將亞電極310設置在驅動電極鏤空區域130 内’而將串聯和/或並聯在一起的屏故電極設置在傳感電極 鏤空區域230内,也可以獲得較高的有效電容率;另外, 將亞電極310設置在驅動電極鏤空區域130内,而將串聯 和/或並聯在一起的屏蔽電極設置在傳感電極鏤空區域230 内,都是屬於第五種結構顯而易見的情况。 當觸控板用於觸摸面積較大的場合時,單塊大面積的 觸控板容易因驅動電極連接線120和傳感電極連接線220 過長造成電極群的電阻過大,而影響觸控板的響應效果。 爲解決此問題,本發明還關於一種組合式超薄型觸控板, 包括以透明材料製成的觸摸面板2000,尤其是,還包括被 該觸摸面板覆蓋的緊密排布的至少兩個互電容觸摸單元 1000,該互電容觸摸單元1000 —起填充觸摸面板的觸摸區 域。所述一塊觸摸單元就相當於本發明上述一塊超薄型互 電容觸控板,因而,該互電容觸摸單元1000包括與該組合 式超薄型觸控板外設的對應於該互電容觸摸單元1000的激 16 201102895 勵信號源800電性連接的驅動電極群1〇〇和與唁組人。 薄型觸控板外設的對應於該互電容觸摸單元超 制模塊900電性連接的傳感電極群2〇〇;該驅動電極' = 包括串聯和/或並聯在一起以透明導電材料形成平 G 驅動電極110,該傳感電極群2〇〇包括串聯和/或並聯— 起以透明導電材料製成平板狀的傳感電極21();該驅動P電極 群100和傳感電極群200設置在同一平面内,它們各自的 連接線120、22G互相交叉但不電接觸;而且,該各驅動電 極110與各傳感電極210在該同一平面内互相間隔地布滿 觸控板的整個觸摸區域;在交又相鄰的驅動電極ιι〇與傳 感電極210之間形成的電場包括不會因外部導電電極影燮 而改變的固有互電場FB和能夠受外部導電電極影響而改 餐:的可變互電場FV;在該觸控板任意一對所述相鄰的驅動 電極110和傳感電極210中,至少有一個電極産生該固有 互電場FB的極板面積小於其産生可變互電場fv的極板面 積0 如上所述,該驅動電極110和/或傳感電極210各自的 極板内設置有至少一個鏤空的區域130、230。該互電容觸 摸單元1000還包括亞電極群300,該亞電極群300包括互 不電性連接的獨立的亞電極310,各亞電極310設置在驅動 電極110與傳感電極210之間的間隔空隙區域、驅動電極 内的鏤空區域130和感應電極内的鏤空區域230中的至少 一個區域中。 如第8圖所示,該組合式超薄型觸控板還包括以透明 17 201102895 製成的屏敗電極連接線·,以及屏蔽電極引出導 =該互電容觸摸單元咖還包括屏蔽電極40。,該 ,敝電極400設置在驅動電極群·與傳感電極群所 在千面底部的平面區域、驅動電極則與傳感電極21〇之 間的間隔空隙區域、驅動電極内的鏤空區域⑽和感應電 極内的鏤空區域230中的至少一個區域中. 〜一 _ ^個^域甲,該屏蔽電極400 '芯二;或者,借助該屏蔽電極連接線42〇,該互電容觸摸 ^ _各自的屏蔽電極電性連接在—起,並透過屏 蔽電極弓丨出導線430接地或者與組合式超薄型互電容觸控 板外設的直流源電性連接;又或者,借助屏蔽電極引出‘ 線430,該互電容觸摸單元1〇〇〇各自的屏蔽電極4⑼直接 接地或者與組合式互電容觸控板外設的直流源電性連接。 上述任一實施例的超薄型觸控板的電極分布結構都適 用於所述互電容觸摸單元1000,但不僅限於此。該互電容 觸摸單元1_都滿足在該觸控板任意一對所述相鄰的驅動 電極110和傳感電極210中’至少有一個電極産生所述固 有互電場FB的極板面積小於其産生可變互電場fv的極板 面積,從而獲得良好的有效電容率。 該形成驅動電極110、傳感電極210、亞電極31〇、屏 蔽電極400和屏蔽電極連接線的透明導電材料包括氧化銦 錫Indium Tin Oxide,簡稱IT0,以及銻摻雜氧化錫The intrinsic capacitance CB of the lameness is reduced, and the variable capacitance CV is increased, that is, the variable mutual electric field Fv% contamination fv is enhanced, and the intrinsic mutual electric field FB is weakened. The invention relates to an ultra-thin mutual-capacitance touch panel, comprising a driving electrode group 1 electrically connected to an excitation signal source 800 of a touch panel peripheral and a sensing control of the peripheral of the touch panel The sensing electrode group 200 electrically connected to the module 900; the driving electrode group 1A includes a driving electrode 11A formed in a flat shape by a transparent conductive material in series and/or in parallel, and the sensing electrode group 2 includes a series connection And/or connected in parallel to form a flat sensing electrode 210 with a transparent conductive material; in particular, the driving electrode group 1〇〇 and the sensing electrode group 200 are disposed in the same plane, and their respective connecting lines 12〇, 22 〇crossing each other but not in electrical contact; moreover, each of the driving electrodes nG and the sensing electrodes 210 are spaced apart from each other in the same plane to cover the entire touch area of the touch panel and the adjacent driving electrodes 11G and The electric field formed between the sensing electrodes (10) includes an independent mutual electric field (10) which is not changed by the influence of the external conductive electrode, and which is changed by the influence of the external conductive electrode. And sensing electrode 210 Towards, the electrodes 201102895 having the intrinsic mutual electric field FB have a plate area smaller than the plate area at which the variable mutual electric field FV is generated. In general, the driving electrode 110 and the sensing electrode 21 are mutually An intrinsic mutual electric field FB is generated between the adjacent regions, and a variable mutual electric field p>v is generated between the driving electrode 11A and other regions of the sensing electrode 210. In general, the intensity of the intrinsic mutual electric field FB is greater than that of the variable The mutual electric field fv can be such that the intensity of the variable mutual electric field FV is greater than or equal to the intrinsic mutual electric field FB only when the plate area of the intrinsic mutual electric field FB is smaller than the area of the plate in which the variable mutual electric field FV is generated. The strength, thereby effectively increasing the effective permittivity of the touch panel. The shape of the driving electrode 110 includes a diamond shape, a rectangle shape, and a hexagon shape; the shape of the sensing electrode 210 also includes a diamond shape, a rectangle shape, and a hexagon shape. The shape of the electrode does not Reflecting the type of the electrode, only the device to which it is connected determines the type of the pole, that is, the electrode electrically connected to the excitation signal source 800 of the touch panel peripheral is the driving electrode 110; The electrode electrically connected to the sensing control module 900 of the control board peripheral is the sensing electrode 21. The driving electrode connecting line 120 and the sensing electrode connecting line 22 are mutually crossed but not in electrical contact, and can be realized by: The driving electrode group 1〇〇 and the sensing electrode group 200 are disposed in the same plane, and respectively on the front and back sides of the extremely thin insulating plastic film, so that their respective connecting lines are in space with each other, secondly, An insulating sheet is disposed between the driving electrode connecting line 12A and the sensing electrode connecting line 220 at the center of the parent fork, so that the two connecting lines ι2〇, 22〇' are insulated from each other. In addition, as shown in FIG. 1 and FIG. 5 to FIG. As shown, the touch panel should also include a shield plate 5 made of a transparent insulating material disposed on the top of the plane of the driving electrode 201102895 pole group 100 and the sensing electrode group 200 to protect the driving electrode group 100 and The electrode group 200 is sensed and provides a touch plane for the user. The bottom of the plane of the driving electrode group 100 and the sensing electrode group 2 can be directly on the top of the display screen 600, as shown in FIG. 1; and the bottom plate 700 can also be provided as shown in FIG. 5 to Figure 7 shows. In any one of the pair of the adjacent driving electrodes 11A and the sensing electrodes 210 of the touch panel, at least one of the electrodes generates an area of the intrinsic mutual electric field that is smaller than an area of the plate in which the variable mutual electric field FV is generated. There are many structures, and various structures are further explained below through several embodiments: The first structure simply makes a difference in the respective plate areas of the driving electrode 11A and the sensing electrode 21, thereby causing the inherent mutual electric field FB to be generated. The plate area is smaller than the plate area where it produces a variable mutual electric field Fv. According to the first embodiment of the present invention, as shown in FIG. 1 , the shape of the driving electrode 11 〇 and the sensing electrode 210 are both rectangular. The driving electrode UQ adopts a rectangular plate, a sensing electrode (four) jE square plate, and transmits The plate area of the sensing electrode 21 () is significantly larger than the plate area of the driving electrode 11G. The electric field distribution of the first embodiment in the absence of contact and the occurrence of a touch, respectively, is shown in Fig. 2-1 and the first! -3, if there is a difference in the area of the plates, it is inevitable that the plate area where the intrinsic mutual electric field FB is generated is smaller than the plate area where the variable mutual electric field fv is generated, so that the strength of the variable mutual electric field FV is enhanced. The intensity of the intrinsic mutual electric field 相对 is relatively weakened, and the effective permittivity of the touch panel is improved. According to a second embodiment of the present invention, as shown in FIG. 2, the driving electrode ug adopts a hexagonal plate, the sensing electrode 21A adopts a rhombic plate, and the sensing electrode 21 is substantially larger than the driving plate. The plate area of the electrode 11G. The electric field distribution of the second embodiment 12 201102895 is substantially the same as that of the first embodiment. In the third embodiment of the present invention, as shown in FIG. 3-1, the driving electrode 110 and the sensing electrode 210 both adopt a square plate, and at least one hollowed-out region is disposed in the electrode plate of the driving electrode 110, that is, The electrode hollow region 130 is driven to cause a difference in plate area between the drive electrode 110 and the sense electrode 210. Of course, it is easy to think that, as shown in FIG. 3-2, it is also possible to provide at least one hollowed-out region, that is, the sensing electrode hollow region 230, only in the plate of the sensing electrode 210; as shown in FIGS. 3-3 At least one hollowed out region, that is, the driving electrode hollow region 130 and the sensing electrode hollow region 230, is disposed in each of the driving electrodes 110 and the sensing electrodes 210. The electric field distribution of this third embodiment is substantially the same in principle as the first embodiment. From the viewpoint of the electrode distribution structure, the driving electrodes 110 and the sensing electrodes 210 of the first to third embodiments can be interchanged, that is, the electrode types are not affected by the plate area. Similarly, the drive electrode 110 and the sense electrode 210 of the following embodiments can be interchanged from the viewpoint of the electrode distribution structure. The second structure not only causes a difference in the respective plate areas of the driving electrodes 110 and the sensing electrodes 210, but also provides a large gap between the driving electrodes 110 and the sensing electrodes 210. According to a fourth embodiment of the present invention, as shown in FIG. 4, the driving electrode 110 is a square plate having a small area, and the sensing electrode 210 is a square plate having a larger area, and the driving electrode 110 and the sensing electrode are A wider gap is provided between 210. The electric field distribution of the fourth embodiment is substantially the same as that of the first embodiment. Due to the existence of the gap, the distance between the driving electrodes 110 and the sensing electrode 210 is pulled apart, and the relative gap is not present. The plate surface 13 201102895 which generates the intrinsic mutual electric field FB has a small product, and further weakens the intensity of the intrinsic mutual electric field FB, thereby improving the effective permittivity of the touch panel. The third structure, indirectly through the addition of the sub-electrodes, indirectly causes the area of the plates that produce the intrinsic mutual electric field FB to be smaller than the area of the plates on which the variable mutual electric field FV is generated. The touch panel of the present invention further includes a sub-electrode group 300 comprising separate sub-electrodes 310 electrically connected to each other and formed of a transparent conductive material. According to a fifth embodiment of the present invention, in addition to the fourth embodiment, each of the sub-electrodes 310 is disposed in a space between the driving electrodes 110 and the sensing electrodes 210 as shown in Fig. 5-1. The sub-electrode 310 not only improves the uniformity of the transmittance of the touch panel, but also contributes to making the plate area for generating the intrinsic mutual electric field FB smaller than the area of the plate for which the variable mutual electric field FV is generated. After the sub-electrode 310 is added, the electric field distribution in the case where the touch panel is not touched and touched is as shown in FIGS. 5-2 and 5-3, respectively, and the driving electrode is driven by the addition of the sub-electrode 310. More of the electric field lines emitted by 110 pass through sub-electrode 310 to sense electrode 210. The electric field line reaching the sensing electrode 210 through the sub-electrode 310 is poor in stability and is easily affected by the external electrode. Therefore, the electric field generated by the sub-electrode 310 should be a part of the variable mutual electric field FV, and the pole of the sub-electrode 310 The plate area is almost always used to form a variable mutual electric field FV, so that the addition of the sub-electrode 310 further increases the area of the plate generating the variable mutual electric field FV, thereby increasing the effective permittivity of the touch panel. It is readily contemplated that the sub-electrode 310 can also be disposed in any other void region in the touch panel, such as at least one of the hollow region 130 within the drive electrode 110 and the hollow region 230 within the sense electrode 210. As shown in Figs. 5 to 4, in addition to the electrode 77 cloth structure shown in Fig. 3 to Fig. 14 of the third embodiment of the present invention, the sub-electrode 310 is provided in the drive electrode hollow region (10). On the basis of the electrode distributions shown in Figures 3-2 and 3 of the third embodiment, it is obvious that the sub-electricity is set in the drive electrode hollow region 13A and/or the 35 electrode hollow region 230. of. The fourth structure, indirectly by the addition of the shield electrode, indirectly causes the area of the plate that produces the intrinsic mutual electric field FB to be smaller than the area of the plate on which the variable mutual electric field FV is generated. The present invention also includes a shielded electrode 400 that is electrically suspended, directly grounded, or electrically coupled to a DC source external to the touch panel to form a transparent conductive material. As shown in Fig. 6, in the sixth embodiment of the present invention, on the basis of the fourth embodiment, the shield electrode 400 is disposed in a planar region at the bottom of the plane where the driving electrode group 100 and the sensing electrode group 200 are located. Due to the addition of the shield electrode 400, part of the electric field lines emitted by the driving electrode 110 directly reach the shielding electrode 4〇〇 and cannot reach the sensing electrode 210, thereby further reducing the area of the plate generating the intrinsic mutual electric field FB, thereby improving the touch panel. Effective permittivity. In addition, the shield electrode 400 can also be disposed in any other void region. As in the third embodiment of the present invention, the shield electrode 4 is disposed in the gap region between the driving electrode 110 and the sensing electrode 210, and is driven. At least one of the hollow region 130 in the electrode u〇 and the hollow region 230 in the sensing electrode 210. The fifth structure' simultaneously adds the sub-electrode and the shield electrode, indirectly causing the plate area that produces the intrinsic mutual electric field FB to be smaller than the plate area at which the variable mutual electric field FV is generated. The seventh embodiment of the present invention is based on the fourth embodiment 'setting each sub-electrode 310 in the gap region between the drive electrode no and the sense electrode 21〇15 201102895' while setting the screen electrode 4 0 0 at The planar area of the bottom of the plane where the electrode group 100 and the sensing electrode group 200 are located is driven. The electric field of the touch panel of the seventh embodiment of the present invention when it is not touched and when it is touched is as shown in FIGS. 7-1 and 7-2, respectively, and the interaction between the sub-electrode 310 and the shield electrode 400 is performed. Then, the area of the plate which generates the variable mutual electric field FV is further enlarged, and the area of the plate which generates the intrinsic mutual electric field FB is further enlarged, so that the touch panel has a better effective permittivity. Of course, as shown in FIGS. 7-3, the sub-electrodes 310 are disposed in the drive electrode hollow region 130 based on the electrode distribution shown in FIGS. 3 to 3 of the third embodiment, and will be connected in series and/or in parallel. The common screen electrodes are disposed in the sensing electrode hollow region 230, and a higher effective permittivity can also be obtained. In addition, the sub-electrodes 310 are disposed in the driving electrode hollow region 130, and will be connected in series and/or in parallel. The shielding electrodes are disposed in the sensing electrode hollow region 230, which are all obvious cases belonging to the fifth structure. When the touch panel is used for a large touch area, the single large-area touch panel is likely to be too large due to the excessive length of the driving electrode connection line 120 and the sensing electrode connection line 220, thereby affecting the touch panel. The response effect. To solve this problem, the present invention is also directed to a combined ultra-thin touch panel comprising a touch panel 2000 made of a transparent material, and in particular, at least two mutual capacitors closely arranged by the touch panel. The touch unit 1000 is configured to fill a touch area of the touch panel. The touch unit is equivalent to the above-mentioned ultra-thin mutual-capacitance touch panel of the present invention. Therefore, the mutual-capacitive touch unit 1000 includes the mutual-capacitive touch unit corresponding to the combined ultra-thin touch panel peripheral. 1000 激 16 201102895 excitation signal source 800 electrically connected to the drive electrode group 1 〇〇 and with the 唁 group. The sensing electrode group 2 电 of the thin touch panel peripheral corresponding to the mutual capacitance touch unit super module 900; the driving electrode '= comprises series and/or parallel together to form a flat G with a transparent conductive material The driving electrode 110 includes a series and/or a parallel connection of a sensing electrode 21 (a) formed of a transparent conductive material; the driving P electrode group 100 and the sensing electrode group 200 are disposed at In the same plane, their respective connecting lines 120, 22G cross each other but are not in electrical contact; moreover, the driving electrodes 110 and the sensing electrodes 210 are spaced apart from each other in the same plane to cover the entire touch area of the touch panel; The electric field formed between the adjacent and adjacent driving electrodes ιι and the sensing electrode 210 includes an intrinsic mutual electric field FB that does not change due to the influence of the external conductive electrode, and a variable that can be changed by the external conductive electrode: a mutual electric field FV; at least one of the pair of the adjacent driving electrodes 110 and the sensing electrodes 210 of the touch panel generates at least one electrode having a plate area smaller than the variable mutual electric field fv Plate area 0 As described above, at least one hollowed out region 130, 230 is disposed in each of the driving electrodes 110 and/or the sensing electrodes 210. The mutual capacitance touch unit 1000 further includes a sub-electrode group 300 including independent sub-electrodes 310 electrically connected to each other, and each sub-electrode 310 is disposed at a space gap between the driving electrode 110 and the sensing electrode 210. At least one of the region, the hollow region 130 in the drive electrode, and the hollow region 230 in the sense electrode. As shown in FIG. 8, the combined ultra-thin touch panel further includes a screen electrode connection line made of transparent 17 201102895, and a shield electrode lead-out. The mutual-capacitance touch unit further includes a shield electrode 40. The germanium electrode 400 is disposed in a planar region of the driving electrode group and the bottom of the thousand surface of the sensing electrode group, a gap region between the driving electrode and the sensing electrode 21A, a hollow region (10) in the driving electrode, and an induction. In at least one of the hollow regions 230 in the electrode, the shield electrode 400' core 2; or, by the shield electrode connection line 42, the mutual capacitance touch ^ _ respective shield The electrode is electrically connected to the ground, and is grounded through the shield electrode to pull out the wire 430 or electrically connected to the DC source of the peripheral of the combined ultra-thin mutual-capacitance touch panel; or, by means of the shield electrode, the 'line 430 is extracted. The mutual capacitive touch unit 1 〇〇〇 each of the shielding electrodes 4 ( 9 ) is directly grounded or electrically connected to a DC source of the combined mutual capacitance touch panel peripheral. The electrode distribution structure of the ultrathin touch panel of any of the above embodiments is applicable to the mutual capacitance touch unit 1000, but is not limited thereto. The mutual capacitance touch unit 1_ satisfies that at least one of the adjacent ones of the adjacent driving electrodes 110 and the sensing electrodes 210 of the touch panel generates an area of the plate that produces the inherent mutual electric field FB less than The plate area of the variable mutual electric field fv is obtained, thereby obtaining a good effective permittivity. The transparent conductive material forming the driving electrode 110, the sensing electrode 210, the sub-electrode 31, the shielding electrode 400, and the shield electrode connecting line includes Indium Tin Oxide, referred to as IT0, and antimony doped tin oxide.

Antimony Tin Oxide,簡稱 ΑΤΟ。 【圖式簡單說明】 201102895 第1圖是本發明第一實施例的示意圖,包括: 第1 — 1圖是第一實施例的電極分布結構示意圖; 第1一2圖是第一實施例在沒有被觸摸時的電場示意圖; 第1 — 3圖是第一實施例在被觸摸時的電場示意圖; 第2圖是本發明第二實施例的電極分布結構示意圖; 第3圖是本發明第三實施例的示意圖,包括: 第3 — 1圖是第三實施例在驅動電極110内設置驅動電極 鏤空區域130時的電極分布結構示意圖; 第3 — 2圖是第三實施例在傳感電極210内設置傳感電極 鏤空區域230時的電極分布結構示意圖; 第3 — 3圖是第三實施例同時在驅動電極110和傳感電極 210内分別設置各自的驅動電極鏤空區域130和 傳感電極鐘空區域2 3 0時的電極分布結構不意圖, 第4圖是本發明第四實施例的電極分布結構示意圖; 第5圖是本發明第五實施例的示意圖,包括: 第5—1圖是第五實施例的電極分布結構示意圖; 第5 —2圖是第五實施例在沒有被觸摸時的電場示意圖; 第5 — 3圖是第五實施例在被觸摸時的電場示意圖; 第5 — 4圖是在第圖3 — 1所不的電極分布結構基礎上加 入亞電極310的示意圖; 第6圖是本發明第六實施例的電場示意圖,包括: 第6—1圖是第六實施例在沒有被觸摸時的電場示意圖; 第6 —2圖是第六實施例在被觸摸時的電場示意圖; 第7圖是本發明第七實施例的示意圖,包括: 19 201102895 第7—1圖是第七實施例在沒有被觸摸時的電場示意圖; 第7 — 2圖是第七實施例在被觸摸時的電場示意圖; 第7 — 3圖是在第3 — 3圖所示的電極分布結構基礎上加 入亞電極310和屏蔽電極400的示意圖; 第8圖是本發明第八實施例的連接示意圖; 第9圖是現有技術驅動電極110〃與傳感電極210〃處於 同一平面時的電場示意圖; 第10圖是現有技術分層結構互電容觸控板的示意圖,包 括: 第1〇—1圖是觸控板的正投影主視示意圖; 第10 —2圖是第10—1圖的仰視剖面示意圖; 第10 — 3圖是沒有觸摸該觸控板時的電場分布示意圖; 第10 — 4圖是觸摸該觸控板時的電場分布示意圖。 【主要元件符號說明】 100 驅動電極群 100’ 觸摸平面 110 驅動電極 110” 驅動電極 120 連接線 130 鏤空的區域 150’ 手指 200 傳感電極群 200’ 驅動層 20 201102895 210 傳感電極 210’ 驅動線 210” 驅動電極 220 連接線 230 鏤空的區域 300 亞電極群 300, 傳感層 310 亞電極 310’ 傳感線 400 屏蔽電極 500 護罩板 600 顯示屏 700 底板 800 激勵信號源 900 傳感控制模塊 910’ 介質平面 1000 互電容觸摸單元 2000 觸摸面板 Fb 固有互電場 Fv 可變互電場 21Antimony Tin Oxide, referred to as ΑΤΟ. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a first embodiment of the present invention, including: FIG. 1 to FIG. 1 is a schematic diagram showing the electrode distribution structure of the first embodiment; and FIG. 1 to FIG. 2 is a first embodiment in the absence of the first embodiment. FIG. 1 is a schematic diagram of an electric field when the first embodiment is touched; FIG. 2 is a schematic diagram of an electrode distribution structure according to a second embodiment of the present invention; and FIG. 3 is a third embodiment of the present invention; The schematic diagram of the example includes: FIG. 3-1 is a schematic diagram of the electrode distribution structure when the driving electrode hollow region 130 is disposed in the driving electrode 110 in the third embodiment; FIG. 3-2 is the third embodiment in the sensing electrode 210. A schematic diagram of the electrode distribution structure when the sensing electrode hollow region 230 is disposed; FIG. 3-3 is a third embodiment in which the respective driving electrode hollow region 130 and the sensing electrode clock space are respectively disposed in the driving electrode 110 and the sensing electrode 210. The electrode distribution structure in the region 2300 is not intended, and FIG. 4 is a schematic diagram of the electrode distribution structure in the fourth embodiment of the present invention; FIG. 5 is a schematic view showing the fifth embodiment of the present invention, including: 1 is a schematic diagram of an electrode distribution structure of a fifth embodiment; FIGS. 5-2 are schematic diagrams of electric fields when the fifth embodiment is not touched; and FIGS. 5-3 are schematic diagrams of electric fields when the fifth embodiment is touched; 5 to 4 are schematic views showing the addition of the sub-electrode 310 based on the electrode distribution structure of Fig. 3-1; Fig. 6 is a schematic view of the electric field of the sixth embodiment of the present invention, including: Fig. 6-1 is the first 6 is a schematic diagram of an electric field when it is not touched; FIG. 6-2 is a schematic diagram of an electric field when the sixth embodiment is touched; FIG. 7 is a schematic diagram of a seventh embodiment of the present invention, including: 19 201102895 7th 1 is a schematic diagram of an electric field when the seventh embodiment is not touched; FIGS. 7-2 are schematic diagrams of electric fields when the seventh embodiment is touched; and FIGS. 7-3 are electrodes shown in FIGS. 3-3 A schematic diagram of the sub-electrode 310 and the shield electrode 400 is added on the basis of the distributed structure; FIG. 8 is a schematic diagram of the connection of the eighth embodiment of the present invention; and FIG. 9 is a view of the prior art driving electrode 110A and the sensing electrode 210〃 in the same plane. Electric field diagram; 10 is a schematic diagram of a prior art layered mutual capacitance touch panel, including: FIG. 1 is a front view of the front view of the touch panel; and FIG. 10-2 is a bottom cross-sectional view of the 10th-1 Figure 10-3 is a schematic diagram of the electric field distribution when the touch panel is not touched; Figure 10-4 is a schematic diagram of the electric field distribution when the touch panel is touched. [Description of main component symbols] 100 driving electrode group 100' touch plane 110 driving electrode 110" driving electrode 120 connecting line 130 hollowed out area 150' finger 200 sensing electrode group 200' driving layer 20 201102895 210 sensing electrode 210' driving line 210" drive electrode 220 connection line 230 hollowed out area 300 sub-electrode group 300, sensing layer 310 sub-electrode 310' sensing line 400 shielding electrode 500 shield plate 600 display 700 bottom plate 800 excitation signal source 900 sensing control module 910 'Media plane 1000 mutual capacitance touch unit 2000 touch panel Fb inherent mutual electric field Fv variable mutual electric field 21

Claims (1)

201102895 七、申請專利範圍: V? 互電痛控板,包括與朗控板外設的激勵信號 電#連接的_電極群(⑽)和與該觸控板外設 的傳感控制模塊(卿)電性連接的傳感電極群(則;該 驅動電極群(⑽)包括串聯和/或並聯在-起以透明導電材 枓形成平板狀的驅動電極(11〇),該傳感電極群(2〇〇)包 =串聯和/或並聯在-起以透明導電材料形成平板狀的傳感 電極(210);其特徵在於: 、,該驅動電極群(100)和傳感電極群(2〇〇)設置在同一 平面内b們各自的連接線(120、22〇)互相交叉但不電接 觸;而且,所述各驅動電極(110)與各傳感電極(210)在 «亥同平面内互相間隔地布滿觸控板的整個觸摸區域; 在交叉相鄰的驅動電極(110)與傳感電極(210)之間 形成的電場包括不會因外部導電電極影響而改變的固有互 電場(FB)和能夠受外部導電電極影響而改變的可變互電場 (FV),在所述觸控板任意一對所述相鄰的驅動電極(η。) 和傳感電極(210)中,至少有一個電極産生所述固有互電 % (FB)的極板面積小於其產生可變互電場(Fv)的極板 面積。 •如申請專利範圍第1項所述的超薄型互電容觸控板,其特徵 在於: 车 該驅動電極(110)和/或傳感電極(210)各自的極板内 設置有至少一個鏤空的區域(13〇、230)。 .如申請專利範圍第1項或第2項所述的超薄型互電容觸控 22 201102895 板’其特徵在於: 電材:;=1電極群(3°°),該亞電極群包括以透明導 了材_成互不電性連接獨立的 : (310)設置在驅動雷柘Γιιλ、t 叩谷亞電極 間尸允陶下托^ 0)與傳感電極(210)之間的 内二=_電極内的鏤空區域(13G)和感應電極 内的鏤空區域(230)中的至少一個區域中。 電極 4.如申請專利範圍第} 板,其特徵在於:2項所述的超薄型互電容觸控 直治包括f Μ、直接接地、或者與朗控板外設的 源電性連接以透明導電材料形成的屏蔽電極(侧),該 極Ο設置在驅動電極群(_與傳感電極群(200) 底部的平面區域、驅動電極與傳感電極之間的間隔 工障區域、驅動電極内的鏤命 鏤办e ()和感應電極内的 鏤二&域(230)中的至少一個區域中。 5^申請專利範圍第1項或第2項所述的超薄型互電容觸控 板’其特徵在於: “該驅動電極群⑽)和傳感電極群(200)所在平面頂 U有以透明絕緣材料製成的護罩板(則;該驅動電極 =Π00一)和傳感電極群(200)所在平面底部直接安裝在外 又的,4示屏(600)頂部,或者設置有底板(7〇〇)。 6.,申清專利範圍第!項或第2項所述的超薄型互電容觸控 板’其特徵在於: 、該驅動電極(UG)的形狀包括菱形、矩形和六邊形; 所述傳感電極(210)的形狀也包括菱形、矩形和六邊形。 23 201102895 \種組合式超薄型觸控板,包括以透㈣ (2000),其特徵在於: 又幻跼摈面扳 進一步包括被該觸摸面板覆蓋的緊密排布的至少兩個 啊、早^聊),該互電容觸摸單元(1 填充觸摸面板的觸摸區域; 起 所述互電容職單元(1_)包括與所述組合式超薄型 於該互電容觸摸單元(麵)的激勵信號 源(麵)電性連接的驅動電極群(⑽)和與該組 型觸控板外設的對應於該互電容觸摸單元(膽)的傳· 、 ^串如和/或並聯在一起以透明導電材料形成平 ,狀的驅動電極⑽),該傳感電極群(細)包括串聯和/ 在一起以透明導電材料製成平板狀的傳感電極 該驅動電極群(100)和傳感電極群(謂)設置在同— 平面内,它們各自的連接線(120、220)互相交叉但不電接 ,而且,所述各驅動電極(110)與各傳感電極(210)在 該同-平面内互相_地布滿觸控板的整個觸摸區域; …在交叉相鄰的驅動電極(110)與傳感電極⑺0)之間 形,的電場包括不會因外部導電電_響㈣㈣固有互 電场(FB)和能夠受外料電電極影響而改變的可變互電場 (FV) ’在所述觸控板任意—對所述相鄰的驅動電極(HQ) 和傳感電極(2Η))中’至少有—個電極産生該固有互電場 (剛的極板面積小於其產生可變互電場(FV)的極板面 24 201102895 8. ^請專利範圍第7項所述的组合式超薄型觸控板,其特徵 讲該驅動電極(110)和/或傳感電極(21〇)各自的極板内 »又置有至少一個鏤空的區域(。 9. 如申請專·㈣7項或第8項所賴組合式超薄 板,其特徵在於: 控 該互電容觸摸單元(1000)還包括亞電極群(3〇〇),該 =電極群(3GG)包括互不電性連接以透明導電材料形成獨 的亞電極(310),各亞電極⑶〇)設置在驅動電極(⑽ :傳感電極(210)之間的間隔空隙區域、驅動電極内的鏤 空區域(130)和感應電極内的鏤空區域(23〇)中的至小一 個區域中。 10·如申請專利範圍第7項或第8項所述的組合式超薄型 板’其特徵在於: & 蔽電極連接線 進一步包括以透明導電材料製成的屏 (420 )’以及屏蔽電極引出導線(430); 該互電容觸摸單元(1000)還包括以透明導電材料妒 成的屏蔽電極(400),該屏蔽電極(400)設置在驅動電極 群〇00)與傳感電極群(200)所在平面底部的平面區域、 驅動電極(110)與傳感電極(21〇)之_間隔空隙區域、 驅動電極内的鏤空區域〇30)和感應電極内的鏤空區域 (230)中的至少一個區域中; 該屏蔽電極(400)電懸空;或者,借助該屏蔽電極連 25 201102895 接線( 420),該互電容觸摸單元(1000)各自的屏蔽電極 ( 400)電性連接在一起,並透過屏蔽電極引出導線( 430) 接地或者與組合式超薄型互電容觸控板外設的直流源電性 連接;又或者,借助屏蔽電極引出導線(430),該互電容 觸摸單元(1000)各自的屏蔽電極(400)直接接地或者與 組合式互電容觸控板外設的直流源電性連接。 26201102895 VII, the scope of application for patents: V? Mutual pain control board, including the _ electrode group ((10)) connected with the excitation signal of the remote control board peripherals and the sensing control module with the touchpad peripherals (Qing An electrically connected sensing electrode group (then; the driving electrode group ((10)) includes a driving electrode (11〇) formed in a plate shape by a transparent conductive material in series and/or in parallel, the sensing electrode group ( 2〇〇) package=series and/or parallel-connected sensing electrodes (210) formed of a transparent conductive material; characterized by: , the driving electrode group (100) and the sensing electrode group (2〇 〇) disposed in the same plane, b respective connecting lines (120, 22 〇) cross each other but not in electrical contact; moreover, each of the driving electrodes (110) and each sensing electrode (210) are in the same plane The entire touch area of the touch panel is overlapped with each other; the electric field formed between the adjacent drive electrodes (110) and the sensing electrodes (210) includes an intrinsic mutual electric field that does not change due to the influence of the external conductive electrodes ( FB) and variable that can be changed by the influence of external conductive electrodes An electric field (FV) in which at least one of the pair of adjacent driving electrodes (n.) and sensing electrodes (210) of the touch panel generates the pole of the intrinsic mutual power % (FB) The board area is smaller than the area of the board in which the variable mutual electric field (Fv) is generated. • The ultra-thin mutual-capacitance touch panel according to claim 1 is characterized in that: the driving electrode (110) and/or Or at least one hollowed-out region (13〇, 230) is disposed in each of the electrodes of the sensing electrode (210). The ultra-thin mutual-capacitance touch 22 as described in claim 1 or 2 201102895 The board 'is characterized by: electric material:; = 1 electrode group (3 ° °), the sub-electrode group includes transparent conductive materials _ into each other non-electrical connection independent: (310) set to drive Thunder ιιλ, t At least one of the hollow area (13G) in the inner two = _ electrode and the hollow area (230) in the sensing electrode between the 叩 亚 亚 亚 ^ ^ ^ 0 0 0 传感in. The electrode 4. The invention is characterized in that: the ultra-thin mutual capacitance touch treatment according to the two items includes f Μ, direct grounding, or electrical connection with the source of the remote control board peripheral to transparently conduct electricity. a shield electrode (side) formed of a material, the pole is disposed in a planar region of the driving electrode group (_ and the bottom of the sensing electrode group (200), a spacer barrier region between the driving electrode and the sensing electrode, and a driving barrier electrode镂 镂 e e e e e e e 和 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少 至少'It is characterized in that: the driving electrode group (10) and the plane top U of the sensing electrode group (200) have a shield plate made of a transparent insulating material (then; the driving electrode = Π001) and the sensing electrode group (200) The bottom of the plane is directly installed outside, the top of the 4 screen (600), or the bottom plate (7〇〇). 6. The ultra-thin type described in the scope of the patent or the second item The mutual capacitance touch panel is characterized by: the shape of the drive electrode (UG) Diamond, rectangle and hexagon; the shape of the sensing electrode (210) also includes diamond, rectangle and hexagon. 23 201102895 \A combination of ultra-thin touchpad, including (4) (2000), The feature layer is that: the illusion panel further comprises at least two closely arranged by the touch panel, and the mutual capacitance touch unit (1 fills the touch area of the touch panel; The capacitor unit (1_) includes a driving electrode group ((10)) electrically connected to the combined ultra-thin excitation source (face) of the mutual capacitance touch unit (face) and outside the group touch panel Corresponding to the mutual capacitance of the mutual-capacitive touch unit (birth), such as, and/or in parallel, forming a flat, driving electrode (10) with a transparent conductive material, the sensing electrode group (thin) including series and / Together with a transparent conductive material to form a flat sensing electrode, the driving electrode group (100) and the sensing electrode group (that is, said) are disposed in the same plane, and their respective connecting lines (120, 220) cross each other but Not electrically connected, and, Each of the driving electrodes (110) and the sensing electrodes (210) are arranged in the same plane with each other across the entire touch area of the touch panel; ... the driving electrodes (110) and the sensing electrodes (7) 0 adjacent to each other The shape of the electric field includes a variable mutual electric field (FV) that is not changed by the external conductive electric_four (4) (four) inherent mutual electric field (FB) and can be affected by the external electric electrode. The at least one of the adjacent drive electrodes (HQ) and the sensing electrodes (2Η) generates the intrinsic mutual electric field (the plate area of the rigid plate is smaller than the plate for which the variable mutual electric field (FV) is generated) No. 24 201102895 8. The combined ultra-thin touch panel described in claim 7 is characterized in that the driving electrodes (110) and/or the sensing electrodes (21〇) are respectively in the plate. There is at least one hollowed out area (. 9. If the application of (4) 7 or 8 depends on the combined ultra-thin board, the feature is: controlling the mutual capacitance touch unit (1000) further includes a sub-electrode group (3〇〇), the = electrode group (3GG a non-electrical connection comprising a transparent conductive material forming a separate sub-electrode (310), each sub-electrode (3) being disposed in a gap region between the drive electrode ((10): the sensing electrode (210), within the drive electrode) The hollowed out area (130) and the hollowed out area (23〇) in the sensing electrode are in a small area. 10. The combined ultra-thin board according to claim 7 or 8 is characterized in that The & shield electrode connection line further includes a screen (420)' made of a transparent conductive material and a shield electrode lead-out wire (430); the mutual-capacitive touch unit (1000) further includes a shield electrode formed of a transparent conductive material ( 400), the shielding electrode (400) is disposed in a planar region of the bottom of the plane where the driving electrode group 〇00) and the sensing electrode group (200) are located, and a gap region between the driving electrode (110) and the sensing electrode (21〇) , the hollow area in the drive electrode 〇 30) In at least one of the hollow regions (230) in the sensing electrode; the shielding electrode (400) is electrically suspended; or, by means of the shielding electrode 25 201102895 wiring (420), the mutual shielding touch unit (1000) is shielded The electrodes (400) are electrically connected together and grounded through the shield electrode lead wires (430) or electrically connected to a DC source of the peripheral of the combined ultra-thin mutual-capacitance touch panel; or, the lead wires are led out by the shield electrodes ( 430), the respective shielding electrodes (400) of the mutual capacitance touch unit (1000) are directly grounded or electrically connected to a DC source of the combined mutual capacitance touch panel peripheral. 26
TW98123392A 2009-07-10 2009-07-10 Ultra-thin mutual capacitance touch panel and assembly-type ultra-thin touch panel TW201102895A (en)

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