201115219 六、發明說明： 【發明所屬之技術領域】 本發明是有關於-種顯示裝置，且特別是有關於一種具觸 控面板之顯示裝置。 【先前技術】 者觸控技術的日显成熟’加上現代人對於產σ使 用上的人性化介面及體積輕薄化之要求下，觸栌 : 廣泛地應用於各種資訊產品上，如手持通訊輯、^ 數位助理、衛星導航裝置及筆記型電腦等。 現有之觸控面板，不論是藉由直接判斷接觸點之電 =式觸控面板或者是透過感應電容值變化判斷接觸點之 甩谷式觸控面板，大多是利用貼附之方式組裝至顯示裝 =士。由於此種組裝方式係將原本個別獨立之模組進行 σ組裝，如此將造成組裝後的觸控面板以及顯示裝置 層=結構過多，導致光線穿透率下降，且模組厚度以及 重量的增加亦不符電子產品輕薄之趨勢。 ^ 因此，如何整合觸控面板以及顯示裝置，使其利用 ^少之層組結構達到整體模組輕薄化之目的，即成為本 發明創作之目的。 【發明内容】 示梦因此+本發明的目的就是在提供一種具觸控面板之1 置，藉由整合觸控面板以及顯示裝置，簡化組裝名 ^組結構，以降低整體模組之厚度以及重量。201115219 VI. Description of the Invention: [Technical Field] The present invention relates to a display device, and more particularly to a display device having a touch panel. [Prior Art] The technology of touch technology is becoming more and more mature. In addition to the requirements of modern people for the user-friendly interface and thinness of the production of σ, touch: widely used in various information products, such as handheld communication series. , ^ digital assistants, satellite navigation devices and notebook computers. The existing touch panel, whether it is an electric touch panel that directly determines the contact point or a touch panel that judges the contact point through the change of the sensed capacitance value, is mostly assembled to the display device by means of attaching. =士. Since the assembly method is to perform σ assembly on the original independent modules, the assembled touch panel and the display device layer have too many structures, resulting in a decrease in light transmittance and an increase in thickness and weight of the module. Does not match the trend of thin electronic products. ^ Therefore, how to integrate the touch panel and the display device to make the overall module thin and light with a small layer structure is the object of the invention. SUMMARY OF THE INVENTION The purpose of the present invention is to provide a touch panel with a touch panel and a display device to simplify the assembly structure to reduce the thickness and weight of the overall module. .
根據本發明實施例之具觸控面板之顯示裝置，包含II 201115219 示單元以及觸控感測單元，其中顯示單元包含主動陣列 基板、彩色濾光基板以及顯示媒介層。主動陣列基板包 含第一基板以及由複數個主動元件形成的陣列層，其中 第一基板具有一第一面以及一第二面，且陣列層鄰近於 第一面且遠離第二面。彩色濾光基板與主動陣列基板平 行a又置且面對第一基板之第一面’而顯示媒介層係配置 於主動陣列基板以及彩色濾光基板之間。觸控感測單元 係整合於主動陣列基板，用以感測該顯示單元被一物件 所觸控的位置。 釀 依知、本發明具觸控面板之顯示裝置之一實施例，觸控 感測單元係為電阻式觸控面板或電容式觸控面板。 依照本發明具觸控面板之顯示裝置之一實施例，更包 含設於陣列層以及觸控感測單元之間之遮蔽層。 〇〇依照本發明具觸控面板之顯示裝置之一實施例，顯示 單凡係為液晶顯示器，且包含第一偏光層以及第二偏光 層，其中顯示媒介層係為液晶材料所組成。 如—依照本發明具觸控面板之顯示裝置之一實施例，顯示 •單&係為雙穩態顯示器，其中顯示媒介層係為電泳材料 所組成。 D。—依照本發明具觸控面板之顯示裝置之 一實施例，顯示 單兀係為電濕潤顯示器，其中顯示媒介層係為油墨以及 水所組成。 - ^ 上所述’本發明具觸控面板之顯示裝置中觸控感測單 =係整合於主動陣列基板上，且觸控感測單元可為電阻式觸 二面板+或電容式觸控面板，藉此利用最少之層組結構達到 正體核組輕薄化之目的，以降低整體模組之厚度以及重 201115219 量。 【貫施方式】 請參照第1圖，其係繪示本發明第一實施例之具觸 控面板之顯示裝置的結構示意圖。本發明第一實施例之具 觸控面板之顯示裝置包含一顯示單元110、一觸控感測單元 120、一第一偏光層13〇以及一第二偏光層14〇，其中顯示單 元110包含一彩色濾光基板111、一主動陣列基板丨14以及一 配置於彩色濾光基板111以及主動陣列基板丨14之間的顯示媒 介層119。觸控感測單元120係整合於主動陣列基板114上， 第一偏光層130係配置於觸控感測單元12〇上，且第二 偏光層140係配置於彩色濾光基板m上。 主動陣列基板114包含一第一基板115以及一設於第一 基板115上之陣列層116，其中陣列層116包含有複數 個主動元件（例如是薄膜電晶體TFT開關元件或是二極 體，關元件）、複數掃描線與資料線。第一基板115包含 第面117以及一第二面118 ’第一面117係鄰接於陣列 層116,而第二面118係遠離於陣列層116。彩色濾光基 板Π1包含一第二基板112以及一設於第二基板ip上 之彩色濾光膜113。 ―在ί實施例中，顯示媒介層119係為液晶材料所組成，| 由搭配第偏光層13〇以及第二偏光層刚以控制光線穿透 顯示單元110並不限定於液晶顯示器，其他需利月 0二16來控制晝素之顯像並利用彩色濾光片“ 二Ρ全衫化之顯示器均為本發明保護 ㈣示器及電濕潤顯示器等（未繪示）。在顯示單元1 201115219 為 2 穩…肩示。。（例如是 Eiectr〇ph〇retic Display，EPD ) 之實，例令，、顯示媒介層119係為電泳材料所組成；而在 h貝=單元110為電濕潤顯示器（Elec的we⑴ng Display) 之貝施例=，顯不媒介層119係為油墨以及水所組成。此 外’雙穩,4顯示器或電濕潤顯示器之實施例也因為顯示 媒::層119具有不同的光學機制，因此不包含偏光層。由於顯 ΤΓ凡UG在本發明僅為實施例之說明敘述，在此僅以液晶顯 不””，明實施例之說明，並不用以限定本發明之範圍。 :多’、，、第2圖，其係繪示本發明第一實施例具觸控面板 岔顯不裝置中觸控感測單元120係為電阻式觸控面板之 貫施態樣。觸控感測單元120係設於第一基板115之第 二面m上，且包含一第一導電層⑹、 =及複，^ 反 上，弟一導電層162係設於第一偏光層13〇上， i複ί =Γ—163係配置於第一導電層161以及 弟一導電層162之間。 。月參知、弟3圖，其係繪示本發明第一眘 ;顯示裝置她感測單元12二第為電貫容：具 貫施®樣。觸㈣測單元12Q包含 ^ 美板172’其中第三導電，171係設於第-土板115之弟一面117上’且第四 一基板U5之第二面118Jl。其中一'7上係-於弟 ^四導電層⑺皆為圖案化的導電層二 甚至可以與第三導電層171整合為同一 ' 的掃描線或是資料線可以視：是二如^ 171 ’作為觸控單源的感測線路。 乐一導电層 201115219 凊參照第4圖以及第5圖，第4圖係繪示本發明第一實 施例具觸控面板之顯示裝置中觸控感測單元12〇係為電容 式觸控面板之另一實施態樣；第5圖係繪示第4圖中觸控 感測單元120之剖面方向示意圖。在本實施例中，第三 導電層171以及第四導電層172係設於第一基板115: 第二面118上，其中第三導電層171包含複數個第一感 測電極178以及複數個第二感測電極179。每兩相鄰的 第一感測電極178以及第二感測電極179之間設有一第A display device with a touch panel according to an embodiment of the invention includes an II 201115219 display unit and a touch sensing unit, wherein the display unit comprises an active array substrate, a color filter substrate and a display medium layer. The active array substrate includes a first substrate and an array layer formed by a plurality of active elements, wherein the first substrate has a first surface and a second surface, and the array layer is adjacent to the first surface and away from the second surface. The color filter substrate is parallel to the active array substrate and faces the first surface of the first substrate. The display medium layer is disposed between the active array substrate and the color filter substrate. The touch sensing unit is integrated on the active array substrate to sense a position where the display unit is touched by an object. According to one embodiment of the display device with a touch panel of the present invention, the touch sensing unit is a resistive touch panel or a capacitive touch panel. An embodiment of the display device with a touch panel according to the present invention further includes a shielding layer disposed between the array layer and the touch sensing unit. According to one embodiment of the display device with a touch panel according to the present invention, the display unit is a liquid crystal display, and includes a first polarizing layer and a second polarizing layer, wherein the display medium layer is composed of a liquid crystal material. For example, in accordance with an embodiment of the display device with a touch panel of the present invention, the display & single & is a bi-stable display wherein the display medium layer is comprised of an electrophoretic material. D. - In accordance with an embodiment of the display device with a touch panel of the present invention, the display unit is an electrowetting display wherein the display medium layer is comprised of ink and water. - ^ The touch sensing unit in the display device with the touch panel of the present invention is integrated on the active array substrate, and the touch sensing unit can be a resistive touch panel + capacitive touch panel Therefore, the use of the minimum layer structure to achieve the purpose of thinning the body core group to reduce the thickness of the overall module and the weight of 201115219. [Comment] Referring to Fig. 1, there is shown a schematic structural view of a display device with a touch panel according to a first embodiment of the present invention. The display device with a touch panel according to the first embodiment of the present invention includes a display unit 110, a touch sensing unit 120, a first polarizing layer 13A, and a second polarizing layer 14A, wherein the display unit 110 includes a The color filter substrate 111, an active array substrate 丨14, and a display medium layer 119 disposed between the color filter substrate 111 and the active array substrate 丨14. The touch sensing unit 120 is integrated on the active array substrate 114. The first polarizing layer 130 is disposed on the touch sensing unit 12A, and the second polarizing layer 140 is disposed on the color filter substrate m. The active array substrate 114 includes a first substrate 115 and an array layer 116 disposed on the first substrate 115. The array layer 116 includes a plurality of active components (for example, a thin film transistor TFT switching element or a diode). Component), multiple scan lines and data lines. The first substrate 115 includes a first surface 117 and a second surface 118'. The first surface 117 is adjacent to the array layer 116, and the second surface 118 is spaced away from the array layer 116. The color filter substrate 1 includes a second substrate 112 and a color filter film 113 disposed on the second substrate ip. In the embodiment, the display medium layer 119 is composed of a liquid crystal material, and the light-transmitting display unit 110 is controlled by the first polarizing layer 13 and the second polarizing layer, and is not limited to the liquid crystal display. On the 0th and 16th of the month, the display of the image of the element is controlled and the color filter is used. The display of the two-layer full-shirt is the protection (4) of the present invention and the electrowetting display (not shown). In the display unit 1 201115219 2 Stabilization... (for example, Eiectr〇ph〇retic Display, EPD), the case where the display medium layer 119 is composed of an electrophoretic material; and the h-cell = unit 110 is an electrowetting display (Elec) We(1)ng Display) Example: The medium layer 119 is composed of ink and water. In addition, the embodiment of the 'bistable, 4-display or electrowetting display is also because the display medium: layer 119 has different optical mechanisms. Therefore, the present invention is not limited to the description of the embodiments, and the description of the embodiments is not intended to limit the scope of the present invention. ',,, Figure 2 The touch sensing unit 120 is a resistive touch panel in the touch panel display device of the first embodiment of the present invention. The touch sensing unit 120 is first. On the second surface m of the substrate 115, and including a first conductive layer (6), = and complex, and vice versa, the first conductive layer 162 is disposed on the first polarizing layer 13〇, i ί Γ Γ 163 163 The first conductive layer 161 and the first conductive layer 162 are disposed between the first conductive layer 161 and the first conductive layer 162. The first part of the present invention is shown in the figure, and the display unit 12 is electrically connected to the display unit 12: The contact (four) measuring unit 12Q includes a US board 172' in which the third conductive portion, 171 is disposed on the younger side 117 of the first-floor board 115 and the second side 118J1 of the fourth substrate U5. '7上系- Yudi ^ four conductive layers (7) are patterned conductive layers 2 can even be integrated with the third conductive layer 171 as the same 'scanning line or data line can be seen: is two as ^ 171 'touch The sensing line of the single source is controlled. Le-conductive layer 201115219 凊 Referring to FIG. 4 and FIG. 5, FIG. 4 is a diagram showing a touch panel according to a first embodiment of the present invention. The touch sensing unit 12 in the display device is another embodiment of the capacitive touch panel; and FIG. 5 is a schematic cross-sectional view of the touch sensing unit 120 in the fourth embodiment. The third conductive layer 171 and the fourth conductive layer 172 are disposed on the first substrate 115: the second surface 118. The third conductive layer 171 includes a plurality of first sensing electrodes 178 and a plurality of second sensing electrodes 179. Between each two adjacent first sensing electrodes 178 and second sensing electrodes 179
=橋接電S 173 (由第四導電層構成）將兩個感測電極 相互電性連接。 睛參照第6圖’其鱗示本發明第—實施例具觸控面板 ，顯示裝置中觸控感測單元120係為電容式觸控面板之 另一貫施態樣。觸控感測單元12〇包含一第一咆 ”4、第三導電層171以及第四導電層172 ‘ ^則設於第-基板115之第二面…I: 係Γ第一偏光層130上，且第-絕緣層m 第：：弟二V電層m以及第四導電層172之間。並中， 層171與第四導電層172皆為圖案化的導電層。 = ^其係繪示本發明第—實施例具觸控二 置中觸控感測單元12G係為電容式觸控 四；：； = ;在本實施例中，第三導電層ηΓ以及第 中設於第一基板115之第-面"7上，豆 數個：：含複數個第—感測電極Π8以及複 致個弟二感測電極179。其中， 以及稷 極178以及第二感測電極Π9之間設有=第—感測電 175(由第四導電層構成）將兩—極相^^生接連電接極 201115219 請參照第8圖，其係繪示本發明第一實施例具觸控面板 之顯不裝置中觸控感測單元12G係為電容式觸控面板之 另-實施態樣。觸控感測單元12〇包含一第二絕緣層 176、第三導電層171以及第四導電層172，其中第三導 電層171係設於主動陣列基板114之陣列層h6上，第 四導電層172係設於主動陣列基板114之第一基板115 上，且第二絕緣層176係設於第三導電層171以及第四 導電層172之間。其中’第三導電4 171與第四導電層 1 7 2皆為圖案化的導電層。 鲁一此1 在上述觸控感測單元120為電容式觸控面板 之貫施態樣中，為避免觸控訊號與來自顯示單元的顯示 驅動訊號間的相互干擾，可在觸控感測單元12〇與陣列 層116間配置一遮蔽層（未繪示），以減少因訊號干擾所 造成的誤感應動作。 凊簽照第9圖，其係繪示本發明第二實施例之具觸 控面板之顯不裝置的結構示意圖。本發明第二實施例之具 觸控面板之顯示裝置包含一顯示單元21〇、一 φ 22一第-偏光層230以及一第二偏光層24〇觸其二= Φ元21〇包含-第二基板212、一彩色遽光膜 基板214以及一顯示媒介層219。 彩色濾光膜211係配置於主動陣列基板214上，且顯 示媒介層219係配置於彩色濾光膜211以及第二基板212 之間。觸控感測單元220係整合於主動陣列基板214上，第 一偏光層230係配置於觸控感測單元22〇 第_ 光層係配置於第二基板212上。 且^偏 本發明第二實施例與第一實施例之具觸控面板之顯 201115219 示裝置差異處僅在於，第二實施例具觸控面板之顯示裝置中 彩色濾光膜211係藉由COA(Color filter On Array)製程整合於 主動陣列基板214上，因此第二實施例中的彩色濾光膜211 不需另一獨立基板供其配置，透過減少基板之數量以提高光穿 透率。此外請參照第10圖至第15圖，其中觸控感測單元220 亦可如第一實施例包含電阻式觸控面板以及電容式觸控面 板，由於觸控感測單元220之配置均同第一實施例，請容此不 多作敛述。 由上述本發明兩實施例可知，本發明具觸控面板之顯 φ 示裝置中觸控感測單元120(220)係整合於主動陣列基板 114(214)上，且觸控感測單元120(220)可為電阻式觸控面板 或電容式觸控面板，藉此利用最少之層組結構達到整體模 組輕薄化之目的，以降低整體模組之厚度以及重量。 雖然本發明已以數實施例揭露如上，然其並非用以 限定本發明，任何熟習此技藝者，在不脫離本發明之精 神和範圍内，當可作各種之更動與潤飾，因此本發明之 .保護範圍當視後附之申請專利範圍所界定者為準。 【圖式簡單說明】 為讓本發明之上述和其他目的、特徵、優點與實施 例能更明顯易懂，所附圖式之詳細說明如下： 第1圖係本發明第一實施例之具觸控面板之顯示裝置 的結構示意圖。 第2圖係本發明第一實施例具觸控面板之顯示裝置中 觸控感測單元係為電阻式觸控面板之實施態樣。 201115219 觸π二ί #=明第"~實施例具觸控面板之顯示裝置中 im電容式觸控面板之實施態樣。 觸# i"明第一貫施例具觸控面板之顯示裝置中 第5圖係第4圖;=之板:另-實施態樣。 元之AA剖面方向示意^板之顯示教置中觸控感測單 ，6，#、本發明第—實施例 觸控第感容/觸控面板之另-= 觸ϋ:列單元传一實施例具觸控面板之顯示裝置中 觸控感測早讀'為電容式觸控面板 第8圖係本發明第一竇另貫Μ樣。 觸控感測單元係為電容式觸匕面;、觸控面板之顯示裝置中 第9圖係本發板之另-實施態樣。 的結構示意圖。 e《具觸控面板之顯不裝置 第10圖係本發明第二實施 觸控感測單元係為電阻式觸:觸控面板之顯不裝置中 第11圖式面板之實施態樣。 觸控戍測單元^實施例具觸控面板之顯示裝置中 式觸控面板之實施態樣。 觸π 4測i元# ^ 2 一貫施例具觸控面板之顯示裝置中 第Γ圖 觸控感測單元係為電ί 觸控面板之顯示裝置中 第Μ圖係本另—實施態樣。 觸控感測單元係為m ，、觸控面板之顯不裝置中 第15圖二 觸控面板之另-實施態樣。 觸控感測單元料==$例具觸控面板之顯示裝置中 冤合式觸控面板之另-實施態樣。 201115219 【主要元件符號說明】 110、210 :顯示單元 111 :彩色濾光基板 112、 212 :第二基板 113、 211 :彩色濾光膜 114、 214 :主動陣列基板 1 15、215 :第一基板 1 16、216 :陣列層 117、217 :第一面 " 118、218 :第二面 119、 219 :顯示媒介層 120、 220 :觸控感測單元 130、230 :第一偏光層 140、240 :第二偏光層 161、 261 :第一導電層 162、 262 :第二導電層 '^ 163、263 :間隙子 171、271 :第三導電層 1 72、272 :第四導電層 173、273 :第一橋接電極 1 74、274 :第一絕緣層 175、275 :第二橋接電極 1 76、276 :第二絕緣層 1 78、278 :第一感測電極 179、279 :第二感測電極= Bridge power S 173 (consisting of the fourth conductive layer) electrically connects the two sensing electrodes to each other. The touch sensing panel 120 of the display device is a consistent embodiment of the capacitive touch panel. The touch sensing unit 12A includes a first 咆4, a third conductive layer 171, and a fourth conductive layer 172'. The second surface of the first substrate 115 is disposed on the first surface of the first substrate 115. And the first insulating layer m is: between the second electric layer m and the fourth conductive layer 172. In the middle, both the layer 171 and the fourth conductive layer 172 are patterned conductive layers. In the first embodiment of the present invention, the touch sensing unit 12G is a capacitive touch sensor; in the present embodiment, the third conductive layer η is disposed on the first substrate 115. On the first-face "7, the number of beans: includes a plurality of first-sensing electrodes Π8 and a second sensing electrode 179. Among them, and between the drain 178 and the second sensing electrode Π9 </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> <RTIgt; The touch sensing unit 12G is another embodiment of the capacitive touch panel. The touch sensing unit 12 includes a second insulating layer 176 and a third conductive layer 1 71 and the fourth conductive layer 172, wherein the third conductive layer 171 is disposed on the array layer h6 of the active array substrate 114, and the fourth conductive layer 172 is disposed on the first substrate 115 of the active array substrate 114, and the second insulation The layer 176 is disposed between the third conductive layer 171 and the fourth conductive layer 172. The third conductive layer 171 and the fourth conductive layer 172 are both patterned conductive layers. The sensing unit 120 is configured as a capacitive touch panel. In order to avoid mutual interference between the touch signal and the display driving signal from the display unit, the sensing unit 120 can be disposed between the touch sensing unit 12 and the array layer 116. An occlusion layer (not shown) is used to reduce the erroneous sensing action caused by the signal interference. The ninth signing diagram is a schematic structural diagram of the display device with the touch panel according to the second embodiment of the present invention. A display device with a touch panel according to a second embodiment of the present invention includes a display unit 21A, a φ22-first polarizing layer 230, and a second polarizing layer 24, and a second Φ element 21 〇 Two substrates 212, a color light film substrate 214, and a display medium The color filter film 211 is disposed on the active array substrate 214, and the display medium layer 219 is disposed between the color filter film 211 and the second substrate 212. The touch sensing unit 220 is integrated on the active array substrate. 214, the first polarizing layer 230 is disposed on the touch sensing unit 22, and the optical layer is disposed on the second substrate 212. The second embodiment of the present invention and the touch panel of the first embodiment The difference between the display device and the device is only that the color filter film 211 is integrated into the active array substrate 214 by a COA (Color Filter On Array) process, so the second implementation The color filter film 211 in the example does not require another independent substrate for its configuration, and reduces the number of substrates to increase the light transmittance. In addition, please refer to FIG. 10 to FIG. 15 , wherein the touch sensing unit 220 can also include a resistive touch panel and a capacitive touch panel as the first embodiment, and the touch sensing unit 220 has the same configuration. In an embodiment, please do not mention more. According to the two embodiments of the present invention, the touch sensing unit 120 (220) of the display device of the present invention is integrated on the active array substrate 114 (214), and the touch sensing unit 120 ( 220) It can be a resistive touch panel or a capacitive touch panel, thereby minimizing the thickness of the overall module by using a minimum layer structure to reduce the thickness and weight of the overall module. The present invention has been disclosed in the above embodiments, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application. BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, advantages and embodiments of the present invention will become more <RTIgt; Schematic diagram of the display device of the control panel. 2 is a view showing a touch sensing unit in a display device with a touch panel according to a first embodiment of the present invention. 201115219 Touch π 二ί #=明第"~ Embodiments The display device with a touch panel is implemented in an im capacitive touch panel. Touch # i" Ming first embodiment of the display device with touch panel Figure 5 is the fourth picture; = board: another - implementation. The direction of the AA section of the element indicates the display of the touch panel in the display panel, 6, #, the first embodiment of the present invention touches the touch sensory/touch panel another -= touch: column unit pass one implementation The touch sensing early reading in the display device with the touch panel is the first sinus of the present invention. The touch sensing unit is a capacitive touch panel; and the display device of the touch panel is the other embodiment of the present invention. Schematic diagram of the structure. e "display device with touch panel" FIG. 10 is a second embodiment of the present invention. The touch sensing unit is a resistive touch: an implementation of the 11th panel in the display device of the touch panel. Touch sensing unit ^ embodiment of a touch panel display device in a touch panel implementation. Touch π 4 to measure i yuan # ^ 2 Consistently apply the display device with touch panel. The first touch control unit is the display device of the touch panel. The second picture is the other way. The touch sensing unit is m, and the display device of the touch panel is the other embodiment of the touch panel. Touch sensing unit material ==$ Another embodiment of the composite touch panel in a display device with a touch panel. 201115219 [Description of main component symbols] 110, 210: display unit 111: color filter substrate 112, 212: second substrate 113, 211: color filter film 114, 214: active array substrate 1 15, 215: first substrate 1 16, 216: array layer 117, 217: first side " 118, 218: second side 119, 219: display medium layer 120, 220: touch sensing unit 130, 230: first polarizing layer 140, 240: Second polarizing layers 161, 261: first conductive layers 162, 262: second conductive layers ' 163, 263: spacers 171, 271: third conductive layers 1 72, 272: fourth conductive layers 173, 273: a bridge electrode 1 74, 274: a first insulating layer 175, 275: a second bridge electrode 1 76, 276: a second insulating layer 1 78, 278: a first sensing electrode 179, 279: a second sensing electrode