201234921 六、發明說明： 【發明所屬之技術領域】 本發明係有關一種有機EL面板者。 【先前技術】 有機EL面板於基板上配置有單個或複數個有機肛元 件，作為顯示器或照明光源等各種發光裝置利用。成為有 機EL面板上的1個發光要件之有機EL元件具有於丨對電極 之間層疊包含發光層之有機層之結構，丨對電極的其中一 方成為％極另方成為陰極，藉由從陽極側注入之電洞 和從陰極側注入之電子於有機層内再結合而放出光。 有機EL元件的電極結構依驅動方式等呈現各種形態。其 中，有將形成有機EL元件之丨對電極的至少一方按每個有 機EL元件設成獨立之電極圖案者。例如，在下述專利文獻 1記載之先前技術中，作為透明基板上的電極，具有形成 向-方向延伸之供電部，並且形成具有按每個有機el元件 獨立之圖案之透明電極，且藉由當流過過剩電流時具有遮 斷力月b之遮斷。p連接該供電部和透明電極之電極結構。 再者，一般被有效矩陣驅動之有機EL面板具有如下結 構·於具備TFT之基板上透過平坦化膜等形成具有按每個 有機Lit件獨立之圓案之畫素電極，該畫素電極被連接於 土板上的TFT _@_於⑦晝素電極與通用於複數個有機队元 件之通用電極之間被層疊有機層。 先行技術文獻 專利文獻 I58559.doc 201234921 專利文獻l :日本專利公開2001_19619〇號公報 【發明内容】 發明所欲解決之問題 如則述’於由按每個有機EL元件獨立之圖案形成有機 EL面板的電極者中，大致將該電極的一部份連接於供電配 線來進行對電極的信號供給（電壓外加）^此時，藉由具有 預定面積之電極和供電配線局部性地連接，產生電極面上 的連接部附近的電壓變化與遠離連接部之電極面上的電壓 邊化相比變大，電壓不會均勻地分佈在電極的整個面之問 題°若該種電極成為有機EL元件的陰極或陽極的至少一201234921 VI. Description of the Invention: [Technical Field to Be Invented by the Invention] The present invention relates to an organic EL panel. [Prior Art] The organic EL panel is provided with a single or a plurality of organic ances on a substrate, and is used as various light-emitting devices such as a display or an illumination source. An organic EL device which is one of the light-emitting elements on the organic EL panel has a structure in which an organic layer including a light-emitting layer is laminated between the counter electrodes, and one of the counter electrode is a cathode and a cathode is formed by the anode side. The injected holes and the electrons injected from the cathode side are recombined in the organic layer to emit light. The electrode structure of the organic EL element exhibits various forms depending on the driving method and the like. Among them, at least one of the counter electrode forming the organic EL element is provided as an independent electrode pattern for each of the organic EL elements. For example, in the prior art described in Patent Document 1 below, as an electrode on a transparent substrate, a power supply portion extending in the − direction is formed, and a transparent electrode having a pattern independent of each organic EL element is formed, and by When the excess current flows, it has the interruption of the breaking force month b. p connects the electrode structure of the power supply portion and the transparent electrode. Further, an organic EL panel which is generally driven by an effective matrix has a structure in which a pixel electrode having a circular shape independent for each organic Lit member is formed on a substrate having a TFT through a planarizing film or the like, and the pixel electrodes are connected. The organic layer is laminated between the TFT _@_7-cell electrode on the earth plate and the common electrode commonly used for a plurality of organic group elements. The prior art document patent document I58559.doc 201234921 Patent Document 1: Japanese Patent Laid-Open Publication No. 2001-19619 No. [Invention] The problem to be solved by the invention is as described in the case of forming an organic EL panel by a pattern independent of each organic EL element. In the electrode, a part of the electrode is connected to the power supply wiring to supply a signal to the counter electrode (voltage is applied). At this time, the electrode surface and the power supply wiring are locally connected to each other to generate an electrode surface. The voltage change in the vicinity of the connection portion becomes larger than the voltage edge on the electrode surface away from the connection portion, and the voltage is not uniformly distributed over the entire surface of the electrode. If the electrode becomes the cathode or anode of the organic EL element At least one
方’則產生於電極的連接部附近亮度變高，於1個有機EL 元件的發光面内發生亮度不均而無法得到均勻亮度的發光 面之問題。 再者’當將具有按每個有機EL元件獨立之圖案之電極的 部伤與供電配線連接時’可以考慮到被配置於有機EL面 板上之複數個有機EL元件中電極的連接部的位置有所不 Is] 此時，電極的連接部的位置於各有機EL元件中改變， 藉此能夠引起於複數個有機EL元件之間產生亮度的偏差之 情況°在該種情況下，產生無法於整個有機EL面板得到均 勻亮度的發光面之問題。 再者，於向一方向延伸之一根供電配線連接複數個具有 按每個有機EL元件獨立之圖案之電極，由一根供電配線驅 動複數個有機EL元件時’藉由基於供電配線的電阻之電壓 下降’產生被外加於遠離被連接於供電配線的端部之供電 158559.docIn the case where the brightness is high in the vicinity of the connection portion of the electrode, unevenness in luminance occurs in the light-emitting surface of one organic EL element, and a light-emitting surface having uniform brightness cannot be obtained. In addition, when the portion of the electrode having the pattern of each of the organic EL elements is connected to the power supply wiring, the position of the connection portion of the electrode among the plurality of organic EL elements disposed on the organic EL panel is considered. In this case, the position of the connection portion of the electrode is changed in each of the organic EL elements, whereby a variation in luminance between the plurality of organic EL elements can be caused. In this case, the entire generation cannot be caused. The organic EL panel has a problem of obtaining a light-emitting surface of uniform brightness. Furthermore, one of the power supply wirings extending in one direction is connected to a plurality of electrodes having a pattern independent of each organic EL element, and when a plurality of organic EL elements are driven by one power supply wiring, 'by the resistance based on the power supply wiring The voltage drop 'generates the power supplied to the end that is connected to the power supply wiring. 158559.doc
S 201234921 部之有機EL元件之電壓變得低於被外加於靠近供電部之有 機EL元件之電壓之現象。藉此，容易於靠近供電部之—側 與遠離供電部之一側產生有機EL元件的發光亮度不均，♦ 供電配線的電阻較大時，存在無法於整個有機£乙面板得到 均勻亮度之問題。 本發明係將解決該種問題作為課題的一例者。亦即，如 以下等為本發明之目的：能夠於作為有機EL面板的發光要 件之有機EL元件的1個發光面内得到無亮度不均之均勻的 發光面；能夠於具備複數個有機EL元件之整個有機£匕面 板得到均勻亮度的發光面；當由丨個供電配線驅動複數個 有機EL元件時，能夠消除由基於供電配線的電阻之電壓下 降的影響引起之有機EL元件之間的亮度不均，從而於整個 有機EL面板得到均勻亮度的發光面。 解決問題之技術手段 為了實現該種目的，基於本發明之有機EL面板係至少具 備以下結構者》 〃 —種有機EL面板，其至少具有丨個發光面，其特徵為， 前述發光面由至少丨個有機肛元件構成，前述有機肛元件 具備於基板上層疊第丨電極、有機層及第2電極之結構，前 述第1電極具有按每個前述有機EL元件獨立之電極圖案， 该有機EL面板具備對第！電極進行電力供給之配線，並且 具備對該配線和前述P電極的外周彡進行絕緣包覆之絕 f膜，前述絕緣膜的前述第丨電極中的開口緣具有迂迴 部’前述迁迴部於將前述第！電極的一部份連接於前述配 I58559.doc 201234921 線之連接部附近向前述第丨電極的内侧迂迴。 【實施方式】 以下’參考附圖對本發明的實施方式進行說明。本發明 的實施方式包括圖示之内容，但並不僅限定於此。圖以系 表示本發明的一實施方式之有機EL面板的結構之說明圖 (該圖⑷係表示平面結構之說明圖，該圖⑻係χ_χ截面 圖）。 有機EL面板1具有至少發光面1〇〇。圖示之例子中具 有複數個發光面100，但發光面100亦可為單個。發光面 100由至少1個有機EL元件1Α構成。有機EL元件1Α為有機 EL面板1的單元發光要件，且具備有於基板10上層疊第1電 極11、有機層12(包含發光層12A)及第2電極13之結構。 第1電極11具有知：每個有機El元件獨立之電極圖案，有 機EL面板丨具備對第1電極u進行電力供給之配線14，並且 具備有對配線丨4和第丨電極U的外周邊進行絕緣包覆之絕 緣膜16。絕緣膜16的第1電極丨丨中的開口緣〗6A形成按每個 有機EL元件1A的發光面1〇〇的外周，具有於將第i電極“ 的一部份連接於配線14之連接部15的附近向第丨電極〗ι的 内側迁迴之迁迴部i 6 A1。 圖示之有機EL面板1中，配線14沿一方向具有條紋狀圖 案，沿該配線14形成複數個第丨電極u，第2電極13於與配 線14交又之方向上具有條紋狀圖案。該種有機面板^能 夠將第2電極13和配線14的其中一方設為掃描線且將另一 方設為資料線來進行無源矩陣驅動，但該有機EL面板i的 158559.doc 201234921 結構不限定於無源矩陣驅動。此時’被選擇之有機el元件 1A中’第1電極u與第2電極13之間被外加正向電壓（陽極 側成為正、陰極側成為負之電壓從陽極側注入之電洞 與從陰極側注入之電子於有機層12再結合而放出光。該有 機E L面板1係能夠成為使複數個有機e l元件丨A選擇性地發 光來顯示情報之顯示裝置、或使預定區域的有機El元件 1A同時發光之照明裝置、其他各種光學設備的光源等，其 用途並未特別限定。 圖2係表示有機EL面板1的作用之說明圖。第1電極I!的 一部份與配線14的一部份連接。具體而言，第1電極11的 一部份成為窄幅部11A ’被連接於作為配線14的一部份之 突出部份14P。圖示之例子中，窄幅部丨丨A具有窄於第i電 極11的一方向的寬度（沿配線14之縱寬L)之寬度S1。另 外，突出部份14P沿配線14具有寬於窄幅部ha的寬度S1之 寬度S2。並且，於突出部份14P的寬度内被形成有第}電極 11與配線14的連接部15。 第1電極11的一部份連接於配線14之有機EL面板1中，如 該圖（b)所示，當於絕緣膜16的第1電極上的開口緣16A 中無迂迴部16A1時，開口緣16A内的第1電極11上的電壓 分佈於更靠近連接部15處，電壓的變化變大。圖示之虛線 表示等電位線，於靠近連接部15之第1電極11上，等電位 線之間的距離變窄。該種狀態下，被形成於第1電極丨丨上 之有機EL元件1A於由開口緣16A包圍之發光面内產生亮度 不均，於更靠近連接部15處顯示出較高亮度，於遠離連接 158559.doc 201234921 部15處成為較低亮度，產生無法於發光面内得到均勻亮度 之問題。 與此相對，如該圖（a)所示’若於開口緣丨6A形成於連接 部15的附近向第1電極丨〖的内側迂迴之迂迴部丨6 a 1 ,則該 圖（b)所示之電壓變化較大之部位被絕緣膜16覆蓋，所以開 口緣16A内的第i電極n上成為比較均勻的電壓分佈，被形 成於第1電極Π上之有機EL元件丨八能夠於發光面内得到均 勻的亮度。 迂迴部16A1的形狀只要是如覆蓋第1電極^上的靠近連 接部15之部份之形狀，則無論其為何種形狀均可以得到適 當的效果。例如’如圖示，朝向第1電極i丨的内側呈凸狀 的形狀或圓弧形狀，藉此能夠更有效地僅覆蓋靠近連接部 1 5之部份。另外’迂迴部丨6A1沿該圖（b)的等電位線（當無 迂迴部16A1時於第1電極11上產生之電壓分佈的等電位線） 形成’藉此能夠更有效地消除電壓變化較大之部位。 圖3〜圖6係說明本發明的另一實施方式之有機el面板之 說明圖。該些方式係’有機EL面板1具有複數個發光面 100 ’且該發光面1 〇〇由複數個有機EL元件1A形成時的例子。 圖3所示之例子係，複數個發光面1 〇〇由不同形狀的第1 電極11形成時的例子。此處為，複數個有機EL元件1A 中，其中1個有機EL元件中的第1電極11(參考該圖（a))的縱 寬與橫寬之比相對另一有機EL元件中的第1電極11(參考該 圖（b))的縱寬與橫寬之比成為縱長之情況。此處的縱寬是 指第1電極11的沿配線14之寬度，橫寬是指第1電極11的與 158559.doc 201234921 配線14交叉之寬度。圖示之例子中，對被形成於丨個有機 EL面板上之2個第丨電極、u_2)的形狀進行比較， 兩者的橫寬Wi、W2大致相等（W1=W2)，但兩者的縱寬 LI、L2則成為L1>L2的關係。於該種形態例中，以其中i 個有機EL元件（該圖（a))中的迂迴部16A1的縱寬與橫寬之 比al/bl相對另一有機EL元件（該圖（b))中的迂迴部“幻的 縱寬與橫寬之比（a2/b2)成為橫長（較小值）的方式形成。 該種迂迴部16A1的形態例係，根據第1電極〗丨的形狀不 同時第1電極11上的等電位線呈不同形狀之情況者。如該 圖（a)所示，當為縱橫比（L1/W1)較大之第1電極 時，等電位線於橫向上變化變大，因此為了消除該變化而 形成縱橫比（al/bl)較小之形狀的迂迴部16A1。另外，如該 圖（b)所示，當為縱橫比（L2/W2)較小之第丨電極1ι(ιι_2) 時，等電位線於縱向上變化變大，因此為了消除該變化而 形成縱橫比（a2/b2)較大之形狀的迂迴部16A1。运迴部 16A1的形成實際上消減發光面1〇〇的面積，因此設定為發 光面積的減少量成為所需最小限為較佳。 圖4所示之例子係，複數個發光面1〇〇由相同形狀的第j 電極11形成，但連接部15相對第1電極丨丨之位置於複數個 發光面1〇〇申不同時的例子。此處為，複數個有機el元件 1A中，其中1個有機EL元件（該圖（a))中的第丨電極丨丨與配線 14的連接部15的位置相對另一有機EL元件（該圖（b))中的第 1電極11與配線14的連接部15的位置不同之情況。在該種 形態例中，其中1個有機EL元件（該圖（a))中的迂迴部l6Ai 158559.doc 201234921 的形狀相對另一有機EL元件（該圖（b))中的迂迴部16幻的 形狀’被形成為按照連接部15的位置的差異而不同。 s亥種迂迴部16A1的形態係，根據連接部15相對第i電極 11之位置不同時第i電極丨丨上的等電位線成為不同形狀之 情況者。如該圖（a)所示，當連接部15位於第丨電極丨丨的縱 位置中央時，圖示之與上下對稱之等電位線被形成於第i 電極11上，因此與此對應地形成圖示之與上下對稱之形狀 的迂迴部16A1為較佳。與此相對，如該圖（b)所示，當連 接部15位於從第1電極U的縱位置中央上下偏倚少許之位 置時，第1電極11上的等電位線並不呈上下對稱之形狀， 而是呈向上下一方偏倚之形狀，因此與此對應地形成如圖 示之非對稱之形狀的迂迴部16A1為較佳。 圖5所示之例子中’具備複數個形成發光面100之有機EL 元件1A，1個配線1 4上分別被連接有複數個有機jgL元件中 的第1電極11 (11 -1 a、11 -2a)，被連接於1個配線14之複數 個有機EL元件中，其中1個有機EL元件中的第1電極ιι(ιΐ-1 a)與配線14的連接部15(1 5b)的位置相對另一有機EL元件 中的第1電極11(11-2a)與配線14的連接部15(15b)的位置成 為不同位置。此時’各個第1電極11 (11 _ 1 a、丨i _2a)中的迂 迴部16A1的形狀被形成為按照連接部15(15a、15b)的位置 的差異而不同。 若相對第1電極ll(ll-la、ll-2a)改變連接部15(15a、 15b)的位置，則能夠調整由各第1電極uja)形 成之有機EL元件1A的發光亮度。另一方面，被連接於在 158559.doc 201234921 供電部20連接之1個配線14之有機EL元件1A中，存在受到 基於配線14的電阻之電壓下降的影響而驅動電壓按照從供 電部20的距離下降之問題。圖5所示之例子係，欲藉由改 變刖述之連接部15(15a、15b)的位置來調整，因該問題產 生之各有機EL元件1A的亮度不均者。藉.由適當調整連接 部15的位置’能夠使沿被連接於供電部2〇之其中1個配線 14之複數個有機EL元件1A的發光亮度均勻化。 圖6所示之例子係，於角部將有機el面板上的複數個第1 電極11連接於配線14來形成任意的供電路徑之例子。該圖 (a)所示之例子中，排列成一列之複數個第1電極丨丨中，由 配線14( 14a)連接每隔複數個的第1電極1丨（丨丨_丨b)而形成1個 供電路徑，由配線14(14b)連接另一第1電極（11_2b)而形成 另一供電路徑。於被連接配線14之第1電極丨丨的角部被形 成有圓弧狀的迂迴部16A1。該圖（b)所示之例子中，其中i 個第1電極11於其四角透過配線14與被配置於對角線上之 另一第1電極11連接。此處’於被連接配線14之第1電極i J 的四角亦被形成有圓弧狀的迂迴部16A1。 具有該種特徵之有機EL面板1中’絕緣膜16的第1電極11 中的開口緣16A具有迂迴部16A1，藉此能夠於作為有機£1^ 面板1的發光要件之有機EL元件1A的一個發光面内得到無 亮度不均之均勻的發光面。 再者’具備複數個有機EL元件1A之有機EL面板1中，藉 由調整各有機EL元件的驅動條件，能夠於整個面板得到均 句免度的發光面。當由丨個配線14驅動複數個有機El元件 158559.doc 201234921 1A時，能夠消除由基於配線14的電阻之電壓下降的影響引 起之有機EL元件之間的亮度不均，從而於整個有機EL面 板1得到均勻亮度的發光面。 以下，參考圖1對本發明的實施方式之有機EL面板的結 構例進行更具體的說明。 第1電極11和配線14由層疊第1電極u的一部份與配線14 的一部份之層疊部（連接部15)連接。該連接部15可以於第1 電極11的一部份上層疊有配線1 4的一部份，相反，亦可以 於配線14的一部份上層疊有第1電極丨丨的_部份。圖示之 例子中，配線14的一部份相對配線14的線幅向第1電極^ 側突出而形成，於該突出部份14P形成有連接部15。 連接部15附近的第1電極11的一部份具有因基於過剩電 流之加熱被分斷而從配線14斷開第1電極η之窄幅部UA。 此處的窄幅部11A為第1電極11的一部份，係當第1電極丄i 的圖案形成時與第1電極11的主體部同時形成者。第1電極 11的主體部係成為有機EL元件1A的陽極或陰極之部份。 窄幅部11A具有相對第1電極11的沿配線14之寬度較窄之寬 度’圖示之例子中’具有比向第1電極11側突出之配線14 的一部份（突出部份14P)的寬度更窄之寬度。 並且，有機EL面板1中，第1電極11的比電阻大於配線丄4 的比電阻。亦即，在連接部1 5中’被層疊之第1電極丨i的 一部份的比電阻大於配線14的一部份的比電阻。包括窄幅 部11A在内的第1電極11由大致均勻的材料形成，在從窄幅 部11A透過連接部15到達配線1 4時，比電阻階段性地變 •12- 158559.docThe voltage of the organic EL element of the S 201234921 portion becomes lower than the voltage applied to the organic EL element close to the power supply portion. Therefore, it is easy to cause unevenness in luminance of the organic EL element near the side of the power supply unit and from the side of the power supply unit. ♦ When the resistance of the power supply wiring is large, there is a problem that uniform brightness cannot be obtained for the entire organic panel. . The present invention has been made to solve such a problem as an example of a problem. In other words, it is an object of the present invention to obtain a uniform light-emitting surface having no unevenness in brightness in one light-emitting surface of an organic EL element which is a light-emitting element of an organic EL panel, and to have a plurality of organic EL elements. When the plurality of organic EL elements are driven by the power supply wiring, the brightness of the organic EL elements caused by the influence of the voltage drop due to the resistance of the power supply wiring can be eliminated. In order to obtain a uniform brightness of the entire organic EL panel. Means for Solving the Problems In order to achieve the object, an organic EL panel according to the present invention has at least one of the following embodiments: an organic EL panel having at least one light-emitting surface, wherein the light-emitting surface is at least The organic anal element is configured to have a structure in which a second electrode, an organic layer, and a second electrode are stacked on a substrate, and the first electrode has an electrode pattern independent of each of the organic EL elements, and the organic EL panel is provided Right! The electrode is provided with a wiring for supplying electric power, and includes an insulating film for insulating the outer circumference of the wiring and the P electrode, wherein an opening edge of the second electrode of the insulating film has a meandering portion The aforementioned! A portion of the electrode is connected to the inner side of the second electrode in the vicinity of the connection portion of the line I58559.doc 201234921. [Embodiment] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. Embodiments of the present invention include the contents of the drawings, but are not limited thereto. Fig. 4 is an explanatory view showing the structure of an organic EL panel according to an embodiment of the present invention (Fig. 4(4) is an explanatory view showing a planar structure, and Fig. 8 is a cross-sectional view of the 。_χ. The organic EL panel 1 has at least a light-emitting surface 1〇〇. The illustrated example has a plurality of light emitting surfaces 100, but the light emitting surface 100 can also be a single. The light-emitting surface 100 is composed of at least one organic EL element 1A. The organic EL element 1 is a unit light-emitting element of the organic EL panel 1, and has a structure in which the first electrode 11, the organic layer 12 (including the light-emitting layer 12A), and the second electrode 13 are laminated on the substrate 10. The first electrode 11 has an electrode pattern in which each of the organic EL elements is independent, and the organic EL panel 丨 includes a wiring 14 for supplying electric power to the first electrode u, and includes an outer periphery of the wiring unit 4 and the second electrode U. Insulating coated insulating film 16. The opening edge 6A of the first electrode 绝缘 of the insulating film 16 is formed on the outer periphery of the light-emitting surface 1A of each organic EL element 1A, and has a portion where the ith electrode " is connected to the connection portion of the wiring 14. In the organic EL panel 1 shown in the figure, the wiring 14 has a stripe pattern in one direction, and a plurality of second electrodes are formed along the wiring 14 in the vicinity of the first electrode 15 u, the second electrode 13 has a stripe pattern in a direction intersecting the wiring 14. This type of organic panel can set one of the second electrode 13 and the wiring 14 as a scanning line and the other as a data line. Passive matrix driving is performed, but the structure of the organic EL panel i 158559.doc 201234921 is not limited to the passive matrix driving. At this time, the 'selected organic el element 1A' is between the first electrode u and the second electrode 13 A forward voltage is applied (the anode side is positive, the cathode side is negative, the hole injected from the anode side, and the electron injected from the cathode side is recombined with the organic layer 12 to emit light. The organic EL panel 1 can be made plural. Organic EL elements 丨A selectively emit light The display device of the information, the illumination device that simultaneously emits the organic EL element 1A in the predetermined region, and the light source of the other various optical devices are not particularly limited. FIG. 2 is an explanatory view showing the operation of the organic EL panel 1. A portion of the first electrode I! is connected to a portion of the wiring 14. Specifically, a portion of the first electrode 11 becomes a narrow portion 11A' is connected to a protruding portion as a portion of the wiring 14. 14P. In the illustrated example, the narrow portion A has a width S1 which is narrower than the width of one direction of the i-th electrode 11 (along the width L of the wiring 14). Further, the protruding portion 14P has a width along the wiring 14. The width S1 of the width portion S1 of the narrow portion ha is formed. Further, the connection portion 15 of the first electrode 11 and the wiring 14 is formed in the width of the protruding portion 14P. A portion of the first electrode 11 is connected to the wiring 14 In the organic EL panel 1, as shown in FIG. 2(b), when the turn-around portion 16A1 is not provided in the opening edge 16A of the first electrode of the insulating film 16, the voltage on the first electrode 11 in the opening edge 16A is distributed. The change in voltage becomes larger as it is closer to the connection portion 15. The dotted line in the figure indicates the equipotential line The distance between the equipotential lines is narrowed on the first electrode 11 close to the connection portion 15. In this state, the organic EL element 1A formed on the first electrode 于 is illuminated by the opening edge 16A. Brightness unevenness is generated in the inside, and a higher brightness is displayed closer to the connecting portion 15, which is lower in brightness from the portion 15 of the connection 158559.doc 201234921, which causes a problem that uniform brightness cannot be obtained in the light emitting surface. As shown in the figure (a), if the opening edge 6A is formed in the vicinity of the connecting portion 15 and the meandering portion a6 a 1 is returned to the inner side of the first electrode 丨, the voltage change shown in the figure (b) is shown. Since the larger portion is covered by the insulating film 16, the ith electrode n in the opening edge 16A has a relatively uniform voltage distribution, and the organic EL element formed on the first electrode 丨 can be uniformly formed in the light-emitting surface. brightness. The shape of the meandering portion 16A1 is as long as it covers the portion of the first electrode 2 which is close to the connecting portion 15, and an appropriate effect can be obtained regardless of the shape. For example, as shown in the figure, the inner side of the first electrode i 呈 has a convex shape or an arc shape, whereby it is possible to more effectively cover only the portion close to the connecting portion 15 . Further, the 'turn-back portion 丨6A1 is formed along the equipotential line of the figure (b) (the equipotential line of the voltage distribution generated on the first electrode 11 when there is no turn-back portion 16A1), whereby the voltage change can be more effectively eliminated. Big part. 3 to 6 are explanatory views for explaining an organic el panel according to another embodiment of the present invention. These methods are examples in which the organic EL panel 1 has a plurality of light-emitting surfaces 100' and the light-emitting surface 1 is formed of a plurality of organic EL elements 1A. The example shown in Fig. 3 is an example in which a plurality of light-emitting surfaces 1 are formed of first electrodes 11 having different shapes. Here, among the plurality of organic EL elements 1A, the ratio of the width to the width of the first electrode 11 (refer to the figure (a)) of one of the organic EL elements is the first of the other organic EL elements. The ratio of the width to the width of the electrode 11 (refer to the figure (b)) is lengthwise. Here, the vertical width refers to the width of the first electrode 11 along the wiring 14, and the lateral width refers to the width of the first electrode 11 which intersects with the 158559.doc 201234921 wiring 14. In the example shown in the figure, the shapes of the two second electrodes and u_2) formed on one of the organic EL panels are compared, and the widths Wi and W2 of the two are substantially equal (W1=W2), but both The vertical widths LI and L2 are in the relationship of L1 > L2. In this embodiment, the ratio of the width to the width of the bypass portion 16A1 of the i organic EL elements (the diagram (a)) is equal to the ratio of the width to the other organic EL element (Fig. (b)). The meandering portion of the middle portion is formed such that the ratio of the vertical width to the lateral width (a2/b2) becomes a horizontal length (smaller value). The form of the roundabout portion 16A1 is different depending on the shape of the first electrode When the equipotential lines on the first electrode 11 have different shapes, as shown in the figure (a), when the first electrode having a large aspect ratio (L1/W1) is large, the equipotential lines vary in the lateral direction. Since the change is large, the detour portion 16A1 having a shape having a small aspect ratio (al/bl) is formed in order to eliminate the change. Further, as shown in the figure (b), the aspect ratio (L2/W2) is small. When the electrode 11 (ιι_2) is used, the equipotential line changes in the longitudinal direction, so that the detour portion 16A1 having a large aspect ratio (a2/b2) is formed in order to eliminate the change. The formation of the transport portion 16A1 is actually reduced. Since the area of the light-emitting surface is 1 ,, it is preferable to set the amount of decrease in the light-emitting area to the required minimum limit. The example shown in FIG. 4 is a plurality of hairs. The surface 1 is formed of the j-th electrode 11 having the same shape, but the position of the connecting portion 15 with respect to the first electrode 于 is different from that of the plurality of light-emitting surfaces 1. Here, a plurality of organic EL elements 1A Among the organic EL elements (the one (a)), the position of the connection portion 15 of the second electrode and the wiring 14 is opposite to the first electrode 11 of the other organic EL element (Fig. (b)). The position of the connection portion 15 of the wiring 14 is different. In this embodiment, the shape of the bypass portion l6Ai 158559.doc 201234921 in one organic EL element (Fig. (a)) is opposite to that of the other organic EL element. (The shape of the meandering portion 16 in the figure (b)) is formed to be different according to the difference in the position of the connecting portion 15. The form of the turn-around portion 16A1 is based on the connection portion 15 with respect to the i-th electrode 11 When the position is different, the equipotential lines on the i-th electrode are in different shapes. As shown in the figure (a), when the connecting portion 15 is located at the center of the longitudinal position of the second electrode, the figure is shown A symmetrical equipotential line is formed on the i-th electrode 11, and thus an icon is formed corresponding thereto The turn-around portion 16A1 having a shape that is vertically symmetrical is preferable. As shown in the figure (b), when the connecting portion 15 is located at a position slightly inclined from the center of the longitudinal position of the first electrode U, the first electrode The equipotential lines on the eleventh are not vertically symmetrical, but have a shape that is biased upward and downward. Therefore, it is preferable to form the detour portion 16A1 having an asymmetrical shape as shown in Fig. 5. In the example, the organic EL element 1A having a plurality of light-emitting surfaces 100 is provided, and the first electrode 11 (11 -1 a, 11 -2a) of the plurality of organic jgL elements is connected to one wiring 14 Among the plurality of organic EL elements connected to one of the wirings 14, the position of the first electrode ι (ι - 1 a) of one of the organic EL elements and the connection portion 15 (15b) of the wiring 14 is opposite to the other organic EL The position of the first electrode 11 (11-2a) in the element and the connection portion 15 (15b) of the wiring 14 are different positions. At this time, the shape of the meandering portion 16A1 in each of the first electrodes 11 (11 _ 1 a, 丨i _2a) is formed to be different depending on the position of the connecting portions 15 (15a, 15b). When the position of the connecting portion 15 (15a, 15b) is changed with respect to the first electrode 11 (11-la, ll-2a), the light-emitting luminance of the organic EL element 1A formed by each of the first electrodes uja) can be adjusted. On the other hand, in the organic EL element 1A connected to one of the wirings 14 connected to the power supply unit 20 of 158559.doc 201234921, the driving voltage is in accordance with the distance from the power supply unit 20 due to the voltage drop due to the resistance of the wiring 14. The problem of decline. The example shown in Fig. 5 is intended to be adjusted by changing the position of the connecting portions 15 (15a, 15b) which are described later, and the brightness of each of the organic EL elements 1A caused by the problem is not uniform. By appropriately adjusting the position of the connecting portion 15, the luminance of the plurality of organic EL elements 1A connected to one of the wirings 14 connected to the power supply unit 2 can be made uniform. The example shown in Fig. 6 is an example in which a plurality of first electrodes 11 on the organic el panel are connected to the wiring 14 at the corner portions to form an arbitrary power supply path. In the example shown in the figure (a), among the plurality of first electrodes 排列 arranged in a line, the wiring 14 (14a) is connected to the plurality of first electrodes 1 (丨丨_丨b). One power supply path is connected to the other first electrode (11_2b) by the wiring 14 (14b) to form another power supply path. A roundabout portion 16A1 having an arc shape is formed at a corner portion of the first electrode 被 of the connected wiring 14. In the example shown in Fig. 2(b), the i first electrodes 11 are connected to the other first electrode 11 disposed on the diagonal line via the four-corner transmission wiring 14. Here, the rounded portion 16A1 having an arc shape is also formed at the four corners of the first electrode i J of the connected wiring 14. In the organic EL panel 1 having such a feature, the opening edge 16A of the first electrode 11 of the insulating film 16 has the meandering portion 16A1, whereby one of the organic EL elements 1A which is a light-emitting element of the organic panel 1 can be used. A uniform light-emitting surface having no unevenness in brightness is obtained in the light-emitting surface. Further, in the organic EL panel 1 including the plurality of organic EL elements 1A, by adjusting the driving conditions of the respective organic EL elements, it is possible to obtain a uniform light-emitting surface over the entire panel. When a plurality of organic EL elements 158559.doc 201234921 1A are driven by the plurality of wirings 14, it is possible to eliminate luminance unevenness between organic EL elements caused by the influence of voltage drop based on the resistance of the wiring 14, thereby forming the entire organic EL panel. 1 A light-emitting surface of uniform brightness is obtained. Hereinafter, a configuration example of an organic EL panel according to an embodiment of the present invention will be described more specifically with reference to Fig. 1 . The first electrode 11 and the wiring 14 are connected to a laminated portion (connecting portion 15) of a portion of the wiring 14 by a portion of the laminated first electrode u. The connecting portion 15 may have a portion of the wiring 14 laminated on a portion of the first electrode 11. Conversely, a portion of the first electrode 层叠 may be laminated on a portion of the wiring 14. In the illustrated example, a portion of the wiring 14 is formed to protrude toward the first electrode side with respect to the wire width of the wiring 14, and the connecting portion 15 is formed in the protruding portion 14P. A portion of the first electrode 11 in the vicinity of the connecting portion 15 has a narrow portion UA in which the first electrode η is disconnected from the wiring 14 by being broken by heating by excess current. Here, the narrow portion 11A is a part of the first electrode 11, and is formed simultaneously with the main portion of the first electrode 11 when the pattern of the first electrode 丄i is formed. The main portion of the first electrode 11 is a part of the anode or the cathode of the organic EL element 1A. The narrow portion 11A has a width which is narrower than the width of the wiring 14 with respect to the first electrode 11. In the example of the illustration, the portion has a portion (the protruding portion 14P) which is larger than the wiring 14 which protrudes toward the first electrode 11 side. The width is narrower. Further, in the organic EL panel 1, the specific resistance of the first electrode 11 is larger than the specific resistance of the wiring bundle 4. That is, the specific resistance of a portion of the first electrode 丨i stacked in the connection portion 15 is larger than the specific resistance of a portion of the wiring 14. The first electrode 11 including the narrow portion 11A is formed of a substantially uniform material, and the specific resistance is changed stepwise when the narrow portion 11A passes through the connecting portion 15 to reach the wiring 14 • 12-158559.doc
S 201234921 低。 該種有機EL面板i具有如下㈣，亦即在特定的有機虹 元件1A中’當第！電極U與第2電極13之間發生短路時，藉 由從配線Η斷開該特定的有機EL元件1A中的第i電極u， 從而將短路的影響限制在最小限度。 在特定的有機EL元件1A中，當第！電極u與第2電極13 1存在短路。卩位時，若成為第丨電極丨丨與第2電極丨3之間 被外加電廢的狀態，則因經由短路部位之過剩電流，第i 電極11與第2電極13之間無法保持所希望的電位差，該有 元件IA亦成發光不良。在該狀態下經由短路部位而 流動之過剩電流朝向比電阻低於第】電極u之酉己線邮 動，但是朝向配線！4之電流均穿過作為第丨電極u的一部 ^之窄幅部11A，因此電流集中於此，使得於電阻值比較 Γ7之乍中田。|5 11八有效地產生焦耳熱。窄幅部11A因基於該 焦耳熱之加熱被分斷，且從配線14斷開短路部位所存在之 特疋有機EL元件ία中的第1電極η。 一此處的特徵之一在於，由與第丨電極丨丨相同之比電阻較 冋之材料形成有窄幅部！ 1Α。假設，若以電阻低於第^電極 11之材料的圖案結合第1電極丨丨和配線14，則由於電阻較 低之緣故無法在該結合部份得到有效的焦耳豸，過剩電流 繼續流動很長一段時間而有可能導致周邊的有機EL元件 1A的熱量損失。此外’不形成窄幅部11A而將配線14連接 於第1電極11的—邊時，由於沒有使電流局部性集中之部 匕"’、法有效地斷開第〖電極1 1和配線1 4。亦即，藉 I58559.doc 201234921 由形成窄幅部11A作為第丨電極丨丨的一部份，能夠在有機 EL元件1A的第1電極1丨與第2電極丨3之間發生短路時迅速 分斷窄幅部11A ’並從配線丨4斷開第1電極丨j。 此外’另一其他特徵在於，直接層疊第1電極丨丨的一部 份和配線14的一部份這一點。在有機el面板1中，直接層 疊電阻比較尚之第1電極i丨和電阻比較低之配線丨4，其間 不存在具有中間電阻之夾雜物。藉此，在層疊部15附近之 窄幅部11A中電流密度局部性變高，在此處產生積極的加 熱而窄幅部11A被分斷。藉此能夠更有效地從配線丨4斷開 已發生短路之第1電極11。 基板10由玻璃、塑膠、在表面上被形成有絕緣材料層之 金屬等能夠支承有機EL元件1A之基材形成。形成第1電極 11之透明導電膜層可採用IT〇(Indiurn Tin Oxide)、 IZO(Indium Zinc Oxide)、氧化鋅系透明導電膜、Sn〇2系 透明導電膜、二氧化鈦系透明導電膜等透明金屬氧化物， 配線14可採用低電阻金屬即銀（Ag)或銀合金、鋁（A1)或鋁 合金等。基板10上的第1電極U或配線14的圖案形成，能 夠在藉由濺射或蒸鍍成膜後，藉由光刻蝕製程等進行。 絕緣膜16為了確保被圖案形成之第1電極丨丨及配線14的 絕緣性而被設置’採用聚醯亞胺樹脂、丙烯系樹脂、氧化 石夕、氮化石夕等材料。絕緣膜16的形成係，在被形成有第丄 電極11及配線14之基板10上成膜後，進行在第1電極丨丨上 形成發光面100的開口之圖案形成。具體而言，藉由旋塗 法在被形成有第1電極11及配線14之基板1〇形成成為預定 •14· 158559.doc 3 201234921 塗佈厚度之膜’藉由利用曝光掩模實施曝光處理、顯影處 理’形成具有發光面100的開口圖案形狀之絕緣膜16的 層。該絕緣膜16以覆蓋配線14，並以填充第i電極i i的圖 案之間並局部覆蓋其側端部份之方式形成，被形成為格子 狀。藉此，使發光面100於第1電極11上開口，其區域藉由 絕緣膜16被絕緣劃分。 由於省略圖示之隔壁不利用掩模等而形成第2電極13的 圖案，或者將相鄰之第2電極13完全電絕緣，因此在與配 線14交叉之方向上被形成為條紋狀。具體而言，藉由旋塗 法等’將光敏性樹脂等絕緣材料以厚於形成有機EL元件 1A之有機層12和第2電極13的膜厚的總和之膜厚塗佈形成 於絕緣膜16上之後，於該光敏性樹脂膜上，透過具有與第 1電極11交叉之條紋狀圖案之光掩模照射紫外線等，利用 由於層的厚度方向的曝光量不同而產生之顯影速度之差， 形成具有側部朝下的錐面之隔壁。 有機層12具有包含發光層12A之發光功能層的層疊結 構，若將第1電極U和第2電極13的其中一方設為陽極將 另一方設為陰極，則從陽極側依次選擇性地形成電洞注入 層電/同傳輸層、發光層、電子傳輸層 '電子注入層等。 關於有機層12的成膜’採用真空蒸鍍法等作為乾式成膜， 採用塗佈或各種印刷法作為濕式成膜。 以下說明有機層12的形成例。例如，首先作為電洞傳輸 層，成臈 NPB(N，N-di(naphtalence)-N，N-dipheneyl_ benZidene)。該電洞傳輸層具有將從陽極注入之電洞傳輸 158559.doc 15 201234921 至發光層之功能。該電洞傳輸層可以係僅層釣層者，亦 可係層疊2層以上者。此外，電洞傳輸層不㈣由單__材 料進行成膜，可以藉由複數個材料形成】個層，亦可於電 荷傳輸能力較高之主體㈣上摻雜電荷供給（容納）性較高 之客體材料。 接著，於電洞傳輸層上成膜發光層。作為其中一例，藉 由電阻加熱蒸鍍法’利用分塗用掩模，將紅色(R)、心 ⑹、藍色（B)發光層成膜於各個成膜區域。作為紅色⑻， 採用DCMl(4-(二氰基亞甲基）_2_甲基_6 (4·二甲基氧基苯 乙烯基）-4H-。比喃）等苯乙烯色素等發出紅色光之有機材 料。作為綠色⑹，採用啥仙配合物（A1q3)等發出綠色光 之有機材料。作為藍色（B)，採用二苯乙烯衍生物、三唑 衍生物等發出藍色光之有機材料。當然，可以採用其他材 料，可以係主體-客體類的層結構，發光形態亦可以係可 採用螢光發光材料亦可採用磷光發光材料者。 被成膜於發光層上之電子傳輸層，藉由電阻加熱蒸鍍法 等各種成膜方法，採用例如喹啉鋁配合物（Alqj等各種材 料進行成膜。電子傳輸層具有將從陰極注入之電子傳輸至 發光層之功能。該電子傳輸層可以係僅層疊1層者，亦可 具有層疊2層以上之多層結構。此外，電子傳輸層不用藉 由單一材料進行成膜，可以藉由複數個材料形成1個層， 亦可於電荷傳輸能力較高之主體材料上摻雜電荷供給（容 納）性較高之客體材料而形成。 被形成於有機層12上之第2電極13，當這些為陰極時， I58559.doc •16· 201234921 能夠採用功函數小於陽極（例如4eV以下）的材料（金屬、金 屬氧化物、金屬氟化物、合金等）’具體而言，能夠使用 鋁（A1)、銦（In)、鎂（Mg)等金屬膜；被摻雜之聚苯胺或被 摻雜之聚苯撐乙烯等非晶質半導體；Cr2〇3、Ni〇、 等氧化物。作為結構，能夠採用基於金屬材料之單層結 構、LiOVAl等層疊結構等。 以上，參考附圖對本發明的實施方式進行了詳述，但具 體的結構係並不限於這些實施方式者，即使有不脫離本發 明宗旨之範圍内的設計變更等，#包含於本發明。在上述 各圖中示出之實施方式，只要其目的及結構等方面無特別 的矛盾或問題，即可組合相互的記載内容。此外，各圖的 «己載内谷係忐夠成為各自獨立之實施方式者’本發明的實 施方式並非係限於組合各圖t i個實施方式者。 【圖式簡單說明】 圖1係表示本發明的—實施方式之有機EL面板的結構之 說明圖（該圖（a)係表示平面結構之說明圖，該圖⑻係χχ 截面圖）； ()2(b)係表不本發明的_實施方式之有機此面板 的作用之說明圖； 圓3(a) 3(b)係說明本發明的另一實施方式之有機队面 板之說明圖； 圖4(a)、4(b)係說明本發明的另一實施方式之有機此面 之說明圖； 圓5係說明本發明的另 實施方式之有機EL面板之說明 158559.doc •17- 201234921 圖；及 6(a)、6(b)係說明本發明的另一實施方式之有機EL·面板 之說明圖。 【主要元件符號說明】 1 有機E L面板 1A 有機EL元件 10 基板 11 第1電極 11-1 第1電極 11-la 第1電極 11-lb 第1電極 11-2 第1電極 1 l-2a 第1電極 ll-2b 第1電極 11A 窄幅部 12 有機層 12A 發光層 13 第2電極 14 配線 14a 配線 14b 配線 14P 突出部份 15 連接部 15a 連接部 158559.doc • 18 -S 201234921 low. The organic EL panel i has the following (4), that is, in the specific organic rainbow element 1A' When a short circuit occurs between the electrode U and the second electrode 13, the i-th electrode u in the specific organic EL element 1A is disconnected from the wiring port, thereby limiting the influence of the short-circuit to a minimum. In the specific organic EL element 1A, when the first! The electrode u is short-circuited with the second electrode 13 1 . In the state of being clamped, when the second electrode 丨丨3 and the second electrode 丨3 are electrically discharged, the i-electrode 11 and the second electrode 13 cannot be held by the excess current passing through the short-circuited portion. The potential difference of the element IA is also poorly illuminated. In this state, the excess current flowing through the short-circuited portion is directed toward the lower limit than the first electrode u, but is directed toward the wiring! The current of 4 passes through a narrow portion 11A which is a portion of the second electrode u, so that the current is concentrated here so that the resistance value is compared with 乍7. |5 11 Eight effectively produces Joule heat. The narrow portion 11A is broken by the heating based on the Joule heat, and the first electrode η in the special organic EL element ία in which the short-circuited portion exists is disconnected from the wiring 14. One of the features here is that a narrow portion is formed from the same material as the second electrode of the second electrode! 1Α. It is assumed that if the first electrode 丨丨 and the wiring 14 are bonded in a pattern having a lower electric resistance than the material of the first electrode 11, the effective Joule cannot be obtained in the bonded portion due to the low electric resistance, and the excess current continues to flow for a long time. There is a possibility of causing heat loss of the peripheral organic EL element 1A for a while. In addition, when the wiring 14 is connected to the side of the first electrode 11 without forming the narrow portion 11A, the portion 匕"', which is not locally concentrated, is effectively turned off, and the electrode 1 1 and the wiring 1 are effectively disconnected. 4. In other words, by forming the narrow portion 11A as a part of the second electrode I by I58559.doc 201234921, it is possible to quickly divide the short circuit between the first electrode 1 丨 and the second electrode 丨 3 of the organic EL element 1A. The narrow portion 11A' is broken and the first electrode 丨j is disconnected from the wiring cassette 4. Further, another feature is that a part of the first electrode 和 and a part of the wiring 14 are directly laminated. In the organic el panel 1, the direct lamination resistance is compared with the first electrode i 丨 and the wiring 丨 4 having a relatively low resistance, and there is no inclusion having an intermediate resistance therebetween. Thereby, the current density locally becomes higher in the narrow portion 11A in the vicinity of the laminated portion 15, where positive heating occurs and the narrow portion 11A is broken. Thereby, the first electrode 11 in which the short circuit has occurred can be disconnected more effectively from the wiring port 4. The substrate 10 is formed of a base material capable of supporting the organic EL element 1A, such as glass, plastic, or a metal having an insulating material layer formed on its surface. The transparent conductive film layer forming the first electrode 11 may be a transparent metal such as an IT (Indiurn Tin Oxide), an IZO (Indium Zinc Oxide), a zinc oxide based transparent conductive film, a Sn 2 -based transparent conductive film, or a titania-based transparent conductive film. As the oxide, the wiring 14 may be a low-resistance metal, that is, silver (Ag) or a silver alloy, aluminum (A1), or an aluminum alloy. The pattern of the first electrode U or the wiring 14 on the substrate 10 can be formed by sputtering or vapor deposition, followed by a photolithography process or the like. The insulating film 16 is provided to ensure the insulation of the first electrode 丨丨 and the wiring 14 which are patterned, and is made of a material such as a polyimide resin, a propylene resin, an oxidized stone, or a nitride. The formation of the insulating film 16 is formed by forming a film on the substrate 10 on which the second electrode 11 and the wiring 14 are formed, and then forming an opening in which the light-emitting surface 100 is formed on the first electrode. Specifically, a film of a coating thickness of a predetermined thickness is formed on the substrate 1 on which the first electrode 11 and the wiring 14 are formed by a spin coating method. The exposure process is performed by using an exposure mask. And development processing 'forming a layer of the insulating film 16 having the shape of the opening pattern of the light-emitting surface 100. The insulating film 16 is formed so as to cover the wiring 14 and to fill the pattern of the i-th electrode i i and partially cover the side end portions thereof, and is formed in a lattice shape. Thereby, the light-emitting surface 100 is opened on the first electrode 11, and the region thereof is divided by insulation by the insulating film 16. Since the partition wall (not shown) forms the pattern of the second electrode 13 without using a mask or the like, or completely electrically insulates the adjacent second electrode 13, it is formed in a stripe shape in a direction crossing the line 14. Specifically, an insulating material such as a photosensitive resin is applied to the insulating film 16 by a film thickness thicker than the sum of the film thicknesses of the organic layer 12 and the second electrode 13 forming the organic EL element 1A by a spin coating method or the like. After that, the photosensitive resin film is irradiated with ultraviolet rays or the like through a photomask having a stripe pattern intersecting the first electrode 11, and is formed by a difference in development speed due to a difference in exposure amount in the thickness direction of the layer. a partition wall having a tapered side that faces downward. The organic layer 12 has a laminated structure including a light-emitting function layer of the light-emitting layer 12A. When one of the first electrode U and the second electrode 13 is an anode and the other is a cathode, electricity is selectively formed in order from the anode side. Hole injection layer electricity / same transport layer, light-emitting layer, electron transport layer 'electron injection layer, and the like. The film formation of the organic layer 12 is performed by a vacuum deposition method or the like as a dry film formation, and is applied as a wet film by coating or various printing methods. An example of formation of the organic layer 12 will be described below. For example, first as a hole transport layer, 臈 NPB (N, N-di (naphtalence)-N, N-dipheneyl_ benZidene). The hole transport layer has a function of transferring 158559.doc 15 201234921 from the hole injected into the anode to the light-emitting layer. The hole transport layer may be a layer of only one layer, or a layer of two or more layers. In addition, the hole transport layer is not (4) formed by a single __ material, and may be formed by a plurality of materials, or may be doped with a higher charge supply (accommodation) on a body (four) having a higher charge transfer capability. Object material. Next, a light-emitting layer is formed on the hole transport layer. As an example, a red (R), a core (6), and a blue (B) light-emitting layer are formed in each film formation region by a resistance heating vapor deposition method using a mask for dispensing. As red (8), red light is emitted by using styrene pigment such as DCM1 (4-(dicyanomethylidene)_2-methyl_6 (4. dimethyloxystyryl)-4H-. Organic material. As green (6), an organic material that emits green light, such as a cockroach complex (A1q3), is used. As the blue (B), an organic material which emits blue light such as a stilbene derivative or a triazole derivative is used. Of course, other materials may be used, which may be a layer structure of a host-guest type, and a light-emitting form may be a fluorescent material or a phosphorescent material. The electron transport layer formed on the light-emitting layer is formed by various methods such as a resistance heating deposition method, and is formed by, for example, a quinoline aluminum complex (a material such as Alqj). The electron transport layer has an injection from the cathode. The function of electron transport to the light-emitting layer. The electron transport layer may be laminated on only one layer, or may have a multilayer structure in which two or more layers are stacked. Further, the electron transport layer may be formed by a single material without being formed by a single material. The material is formed into one layer, and may be formed by doping a host material having a high charge supply (accommodation) on a host material having a high charge transport capability. The second electrode 13 formed on the organic layer 12 is At the time of cathode, I58559.doc •16· 201234921 It is possible to use materials (metals, metal oxides, metal fluorides, alloys, etc.) whose work function is smaller than the anode (for example, 4 eV or less). Specifically, aluminum (A1) and indium can be used. a metal film such as (In) or magnesium (Mg); an amorphous semiconductor such as polyaniline doped or doped polyphenylene ethylene; an oxide such as Cr 2 〇 3, Ni 〇, or the like. The single layer structure of a metal material, a laminated structure such as LiOVAl, etc. The embodiments of the present invention have been described in detail above with reference to the drawings, but the specific structures are not limited to the embodiments, even if they do not deviate from the gist of the present invention. The design changes and the like in the range are included in the present invention. The embodiments shown in the above respective drawings may be combined with each other as long as there is no particular contradiction or problem in terms of purpose, structure, and the like. The embodiment of the present invention is not limited to the combination of the embodiments of the drawings. [Simplified Schematic] FIG. 1 shows an embodiment of the present invention. An explanatory view of the structure of the organic EL panel (the figure (a) is an explanatory view of a planar structure, and the figure (8) is a cross-sectional view); (2) is not an organic embodiment of the present invention. Description of the function of the panel; Circle 3(a) 3(b) is an explanatory view illustrating an organic team panel according to another embodiment of the present invention; and FIGS. 4(a) and 4(b) illustrate another embodiment of the present invention. Organic of implementation BRIEF DESCRIPTION OF THE DRAWINGS FIG. 5 is a diagram illustrating an organic EL panel according to another embodiment of the present invention. 158559.doc • 17-201234921; and 6(a) and 6(b) illustrate another embodiment of the present invention. (Description of main element symbols) 1 Organic EL panel 1A Organic EL element 10 Substrate 11 First electrode 11-1 First electrode 11-la First electrode 11-lb First electrode 11-2 First electrode 1 l-2a First electrode 11-2b First electrode 11A Narrow portion 12 Organic layer 12A Light-emitting layer 13 Second electrode 14 Wiring 14a Wiring 14b Wiring 14P Projection 15 Connection portion 15a Connection portion 158559.doc • 18 -
S 201234921 15b 連接部 16 絕緣膜 16A 開_口緣 16A1 迂迴部 20 供電部 100 發光面 al 縱寬 a2 縱寬 bl 橫寬 b2 橫寬 L 縱寬 LI 縱寬 L2 縱寬 SI 寬度 S2 寬度 W1 橫寬 W2 橫寬 158559.docS 201234921 15b Connection part 16 Insulation film 16A Opening_Broken edge 16A1 Detour part 20 Power supply part 100 Light-emitting surface a1 Vertical width a2 Vertical width bl Horizontal width b2 Horizontal width L Vertical width L2 Vertical width SI Width S2 Width W1 Width W2 horizontal width 158559.doc