TWI258318B - Active matrix organic electro-luminescence device array - Google Patents

Active matrix organic electro-luminescence device array Download PDF

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Publication number
TWI258318B
TWI258318B TW93130961A TW93130961A TWI258318B TW I258318 B TWI258318 B TW I258318B TW 93130961 A TW93130961 A TW 93130961A TW 93130961 A TW93130961 A TW 93130961A TW I258318 B TWI258318 B TW I258318B
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Taiwan
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light
organic electroluminescent
active organic
control unit
elements
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TW93130961A
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Chinese (zh)
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TW200612770A (en
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Chun-Hsiang Fang
Shih-Chang Chang
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Chunghwa Picture Tubes Ltd
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Abstract

An active matrix organic electro-luminescence device array comprising first sub-pixel regions and second sub-pixel regions defined by scan lines and data lines is provided. Each first sub-pixel region has a first light emitting device, a first control unit and a second control unit therein while each second sub-pixel region has a second light emitting device therein. The first control unit is electrically connected to the first light emitting device for driving the first light emitting device. The second control unit is electrically connected to the second light emitting device for driving the second light emitting device. The second light emitting device having poor light emitting efficiency per unit area is disposed in the second sub-pixel region for increasing its light emitting area so that the first and second light emitting devices may have uniform brightness when drive with the same driving current.

Description

12583 IS 80twf.d〇c/c 九、發明說明: 【發明所屬之技術領域】 本發明是有關於一種發光元件,且特別是有關於一種 主動式有機電致發光元件陣列。 【先前技術】 針對多媒體社會之急速進步,多半U於半導體元件 ,顯示裝置的飛躍性進步。就顯示器而言,有機電致發光 *、、'頁不器係具有自發光性(Emissive)元件的點陣式顧干器, 2加上有機電致發光顯示器具有無視角限制、低f造成 本、向應答速度(約為液晶的百倍以上)、省電、可使用於 I攜式機H的直流驅動、卫作溫度顧大叹 ==小型化及薄型化等優點,相當符合多媒體時代 下一二、、性要求。因此’有機電致發光顯示器可望成為 下一世代的新穎平面顯示器。 =機電致發光顯示器中,可視其發光元件之驅動方 ^厂、:’、、主動式(ACtlVe)與被動式(Passive)有機電致發光 :ί於被動式驅動元件的發光效率和使用壽命,會 =,、,、不s的尺寸和解析度的增加而大幅地降低,所以近 漸朝向高階社動式轉錢電致發光顯示器之方 機於致發細示器之發光元件岐由兩電極以及有 料所構成’而由於每—種有機發光材料的發光效 ,就目前相的有機發光材料來說,藍光有機 x才的發光效率係較綠光及紅光有機發光材料的發光 I2583Htwf.d〇c/c 效率為差。因此,在有機電致發光顯示器中,通常會以較 大的電流來驅動發光效率較差的有機發光材料(例如是藍 光有機發光材料以使顯示器具有均勻亮度。然而,此 種作法卻會導致不同發光效率之有機發光材料的老化 (aging)程度不一,進而景^響晝面品質。 、因此,習知提出一種解決上述問題的方法。圖丨繪示 為4知一種主動式有機電致發光元件陣列的部分上視示意 圖。請參照目1,主動式有機電致發光元件陣歹,】11〇係配 置於基板100上,其主要係由多條掃猫配線(sean line)i〇2、 多條資料配線(data line)1〇4、多個發光元件廳以及多個 才工制單元112所構成。其中,掃目苗配線1〇2係與資料配線 04在基板上區刀出多個次畫素(_恤叫區域⑽(圖1 僅、’、曰不出3個乂畫素區域1()8),且每—次畫素區域⑽ 内均配置有-發光凡件1()6與一控制單元112。這些控制 單元112係用以驅動這些發光元件1〇6,而發光元件ι〇6 =係由兩電極以及有機發光材料所構成。此外,每一控制 f元:12係接至—電源線114,其中電源線…係 以提供控制單元112驅動發光元件1〇6所需之電流。 ♦、黯、貝茶知圖1,在全彩化的顯示裝置中,主動式有 二&、綠光發光元件1G6g以及藍光發光元件 吏每一次晝素區域108具有相同的發光效 ί綠係將發光效率較佳的紅光發光元件麻 …Ί h件1G6g的發光面積縮小,以便於在以定電 12583 l&〇twf.d〇c/c 流驅動的情況下,使這此3 效率。然而,此種d:域108 *有相近的發光 率toe_*e 犧牲某些次晝素區域108的開口 羊(P )因此整體解析度(res〇luti〇n)盥哀声 (brightness)將會受到限制。 )’、儿又 為此,習知又提出另^ 列,以避免上述之問==動=幾電致發光元件陣 =發光元件陣列的部分上:意二式Ϊ 元件陣列210係設計右/、處在於主動式有機電致發光 次晝素區域' -個),而單位面積之===僅各綠示出 + M 先率較是的藍光發光元件10邰 置在I大的〜素區域脈内,以便於藉由增加直 毛光面積來提高其發光效率。如此一來 ;立 面積之發光效率較佳的次晝素區域(例如Μ 2 素區域208a與次晝素區域208b)之開口率。 一 —然而,若紅光發光元件106r、綠光發光元件1〇6 及監光發光元件祕是配置在具有不同面積的次晝素 域中且以三肖__料制時,則若是採用噴墨制^ 的方式來製作將會增加喷墨製程的複減。 衣主 【發明内容】 有鑑於此’本發明的目的就是在提供—種主動 ,致發光7G件陣列,其可在不影響顯示器之整體解析度盘 党度的情況下,改善顯示器之整體發光均勻度,並且可使 12583谈 〇twf.doc/c 陣列中之每—發光元件的老化程度較為一致。 本發明提出-種主動式有機電致發光元件 1 己胁一基板上。此主動式有機電致發光科陣列主剔ί t條掃猫配線、多條資料配線、多個第-發光元件、多 元戶tdt: ί個第二控制單元以及多個第二控制單 八,^些貧料配線係與這些掃瞄配線在基板 域多個第—次晝素區域與多個第二次晝素區 m:次晝素區域係與一第二次晝素區域相鄰。 ^,人旦素區域内均配置有一第一發光元件、一 第二控制單元,且第-發光元件係與第-:發,而Ξ。!—第二次晝素區域内係配置有-第 素=第 光元較佳實施例所述,此主動式有機電致發 ^金本車1更匕括多條共用電源線,分別配置於每一第--人旦素區域内。而且,在每一第一次苎 !=第二控制單元係電性連接至綱源線:在;: =電::機=:=;,線與 ΐ二素區域内’第-控制單元=連: 線。,、、第—控制早兀則係電性連接至第二電源 依照本發明的較佳實施例所述,這些第一發光元件與 12583 1^80twf.doc/c 這些第一發光70件例如是有機發光二極體(〇Le 合物有機發光二極體(PLED),且這些第二發光元件例如 是藍光發光7G件。在一實施例中,這些第二發光元件的發 光面積例如是大於這些第—發統件的發光面積。 依照本發明的較佳實施例所述,這些掃瞒配線盘這些 資料配線更於基板上區分好個第三次畫素區域,且每二 第三次晝素區域係與第—次晝素區域以及第二次晝素至少 ί:ΐ- = ::此主動式有機電致發光元件陣列更包括 夕個第二毛先70件以及多個第三控制單元。其中, 三發光元件與每-第三控鮮元係分賊置於三 第三控制單 素區域内。而且,在每一第三次畫素區域内,- 元係電性連接至第三發光元件。 依照本發明的較佳實施例所述,此主 光元件陣列更包括多條第三電源線,每=機电致务 置於上述之第三次晝素區域其中之-内,且::源:係? 畫素區軸,第三控制單元係電性連接至第 依照本發明的較佳實施例所述,這此 ,發光元件以及第三發光元件例如是:馬賽1光元件 i、條紋型或4晝素配置型之排列形式排列於基板上 依知、本發明的較佳實施例所述,上述之第:Μ :如是有機發光二極體(0LED)聚合物有體牛 (pled)。此外,在—實施例中,這些第二先-極體 光面積例如是大於上述之第三發光元件之發;面^件之發 型、三角 12583 l&otwf.doc/c 件配面積之發光效率較差的發光元 隹弟一-人畫素區域内,並且增加此發 其:發光元:在相同的驅動電流下能‘出 件陣列中的發光元::有機 為讓本發明之上述和其他目的、特徵和 =^文特舉較佳實施例’並配合所附圖式 【實施方式】 係將單位面積之發光效率較差的發光元件配置 :鄰域内,而此發光元件的控制單元則係配設在 域之門=内,以增加配置有發光元件的次晝素區 ==二以下將舉實施例加以說明,但其並非用以限 疋本Η,m技㈣可舰本發明之精神 施例稍做變化,惟其仍屬於本發明之範疇。 圖3綠示為本發明之一種主動式有機電致發光元件陣 °請參照®3 ’主動式有機電致發光 :P列310係配置於基板300上,且其主要係由多條掃 目田配,302、多條資料配線3()4、多個第一發光元件遍&、 多個第二發光元件306b、多個第一控制單元挪以及多 ^第二控制單元遍所構成。其中,掃目苗配線302係與 貝料配線304在基板300上區分出多個第一次晝素區域 12583 J^otwf.doc/c 308a與多個第二次畫素區域3〇8b,且較佳的是,第一次 晝素£域308a係與第^一次晝素區域308b大小相同。而且, 每一第一次晝素區域308a至少與一第二次晝素區域3〇8b 相鄰。在此,為了方便說明,圖3僅繪示出單一第一次書 素區域308a與單一第二次晝素區域3〇8b。 第二發光元件306b係分別配置在每一第二次書素區 域308b内。特別的是,第一發光元件3〇6a、第一控制單 元330a及第^一控制單元330b係分別配置在每一第一次圭 素區域308a内。其中,在每一第一次晝素區域3〇8a内,_ 第一控制單元330a係與第一發光元件306a電性連接,用 以驅動第一發光元件306a,而第二控制單元33〇b則係與 相鄰之第二次晝素區域308b内的第二發光元件3〇6b電性 連接’用以驅動弟二發光元件306b。這些第一控制單元 330a與第二控制單元330b則係分別藉由其所對應之掃瞄 配線302與資料配線304而驅動。 在一實施例中,第一控制單元330a例如是由兩個薄 膜電晶體(thin film transistor,TFT)332a、334a 以及一個 ⑩ 電谷器(capacitor)336a所構成。其中,薄膜電晶體332a 係作為開關電晶體,用以控制驅動訊號的進入與否。另一 溥膜電晶體334a係作為驅動電晶體,用以接收開關電晶 體332a所輸出之訊號,並藉此驅動第一發光元件3〇如。 同樣的,第二控制單元330b例如是由兩個薄膜電晶體 332b、334b以及一個電容器336b所構成。其中,薄膜電 12 12583 l&otwf.doc/c =332b,為開關電晶體,用以控制驅動訊號的進入 與否。另一薄膜電晶體遍係作為驅動電晶體,用以接 收開關電晶體332b所輸出之訊號,並藉此驅動第二發光 元件306b。 是有 此外,第-發光元件3〇6a與第二發光元件遍例如 機發光二極體(OLED)或是聚合物發光二極體 (^LED)。第-發光元件編與第二發光元件遍是電 型之發光元件,因此主動式有機電致發光元件陣列 二L更包括有多條用以提供每一第一發光元件綱a ”第-毛光兀件306b驅動電流的電源線(p。赠㈣,以 下將舉實施例說明之。 ,再參照® 3 ’在-實施例中,主動式有機電致發光 70件陣列310更包括多條共用電源線34()也 線340係分別配置在每一第一次晝素區域3〇8:内、,= -控制單元330a與第二控制單元现均電性連接至丘用 電源線340。以下將詳細說明第一控制單元3地與第、二 控制單元330b的電性連接關係,但由於第二控制單元现 的電性連接關係係與第-控制單元孤的電性連接關係 相似,因此下述僅以第一控制單幻術為代表來做說明, 沾習此技藝者可以依據下述說明及圖式而得知第二控制單 元330b的電性連接關係。 工 、第一控制單元330a之開關電晶體332a的閘極係電性 連接至掃猫配線302 ’而開關電晶體332a的源極與汲極 13 itwf.doc/c 則係分別搞接至資料配線304與電容器。另一方面,第一 f制單元330a之驅動電晶體334a的閘極係耦接至開關電 晶體332a之汲極,而驅動電晶體334a之汲極與源極則係 ,別耦接至第一發光元件3〇6a與共用電源線34〇。其中, 第發光元件之驅動電流即是從共用電源線34〇由 驅動電晶體334a之源極輸入至驅動電晶體334a中,再由 驅動電晶體334a之汲極輸出至第一發光元件3〇6a中,因 而致能第一發光元件306a。 圖4繪示為本發明之另一種主動式有機電致發光元件 陣列的部分上視示意圖。請參照圖4,本發明也可以在每 第一次畫素區域308a内配置一條第一電源線35〇與一 條第二電源線36〇,其中第一控制單元33〇a係電性連接 至第一電源線350,而第二控制單元33〇b則係電性連接 ^第一電源線36〇。由此可知,本發明並未限定第一控制 單330a與第二控制單元33〇b是否共用同一條電源線, 热習此技藝者可依照實際製程自行決定。 由上述實施例可知,每一第二次晝素區域3〇8b内僅 配置有一第二發光元件306b,所以可將第二發光元件3〇6b 的發光面積輯為大於第_發光元件3Q6a之發光面積, ^在一實例中,第二發光元件306b之發光面積與第二次 1素區域308b之總面積的比例例如是8〇%。在此,第二 發光兀件3G6b例如是單位面積之發光效率較差的發光元 件’但由於第二發光元件3_可具有較大之發光面積, 14 12583 J^SGtwf.doc/c 所以田以相同之(電流驅動第-發光元件3G6a與第二發 光元件306b時,太益 具有均勻之亮度。^之絲式錢電致發光陣列310 __二二#第—毛光7°件306b的單位面積之發光效率並 .^^ ^4. 右某些發先i置或顯示裝置對於某 L==要求’例如是希望某色光的亮度與其他色 差異者,亦可利用本發明來達成其所 個切化的有機電致發光顯示⑼言,通常係由三 用籌成一個晝素區域’這些次晝素區域係分別 誌来旅止、二兀色之發光元件’也就是紅光、綠光以及 *件’以使每-個4素區域均可發出全彩化的光 '亍=下將舉實施例說明本發明在全彩化有機電致發光顯 不為中的應用。 陣列^為本發明之另—種主動式有機電致發光元件 =:部分上視示意圖。值得注意的是,本實施例中的主 2機電致發光讀_大致上係與圖3所繪示之主動 電致發光元件陣列31〇相似,為使此說明書較為簡 ’以下將針對兩者間的相異處加以說明,而圖5中 述;^所示相同之元件係糾目同標號示之,這些聽已詳 、圖3的說明中,此處將不再贅述。 請參照圖5,在主動式有機電致發光元件陣列5〇〇中, 15 125S3 l^S80twf.doc/c 掃瞄配線302與資料配線304係在基板300上區分出多個 第一次畫素區域308a、多個第二次晝素區域3〇8b以及多 個第三次晝素區域308c (圖5僅繪示出第一次晝素區域 308a、第二次晝素區域308b與第三次畫素區域3〇8c各一 個),且較佳的是,第一次晝素區域3〇8a、第二次晝素 區域308b以及第三次晝素區域3〇8c的大小均相同。而且, 气第一_人晝素區域308c係與第一次晝素區域308a以及 第二次晝素區域308b至少其中之一相鄰。12583 IS 80twf.d〇c/c IX. Description of the Invention: [Technical Field] The present invention relates to a light-emitting element, and more particularly to an active organic electroluminescent element array. [Prior Art] For the rapid advancement of the multimedia society, most of the U is in semiconductor components, and the display device has made great progress. In terms of the display, the organic electroluminescence*, the 'page is a dot matrix type device with a self-luminous (Emissive) element, and the organic electroluminescent display has no viewing angle limitation, and the low f is the cause. The response speed (about 100 times or more of the liquid crystal), power saving, DC drive for the I-carrying machine H, the temperature of the servo-powered sigh == miniaturization and thinning, which is quite in line with the second era of the multimedia era. , sexual requirements. Therefore, organic electroluminescent displays are expected to be the next generation of novel flat panel displays. = In electro-luminous display, it can be seen as the driving side of its illuminating element: ', 'active, (ACtlVe) and passive (Passive) organic electroluminescence: ί, the luminous efficiency and service life of passive driving components, will = , ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, Because of the luminescence effect of each type of organic luminescent material, the luminescence efficiency of blue organic x is higher than that of green and red organic luminescent materials in the current organic luminescent material. I2583Htwf.d〇c/c The efficiency is poor. Therefore, in an organic electroluminescence display, an organic light-emitting material having a low luminous efficiency (for example, a blue organic light-emitting material such as a blue light organic light-emitting material) is usually driven with a large current. However, this method causes different light emission. The aging degree of the efficiency of the organic light-emitting material is different, and the quality of the surface is improved. Therefore, a method for solving the above problem is proposed. The figure shows that an active organic electroluminescent element is known as 4 A schematic view of a part of the array. Please refer to item 1, active organic electroluminescent device array, 11 〇 is arranged on the substrate 100, which is mainly composed of multiple sweeping lines (sean line) i 〇 2 A data line 1〇4, a plurality of light-emitting element halls, and a plurality of manufacturing units 112 are formed. Among them, the sweeping wire wiring 1〇2 and the data wiring 04 are cut in the substrate area multiple times. The pixel is called the area (10) (Fig. 1 only, ', can't find 3 乂 乂 区域 区域 1 () 8), and each time the pixel area (10) is equipped with - illuminate 1 () 6 And a control unit 112. These control units 112 are used The light-emitting elements 1〇6 are driven, and the light-emitting elements ι〇6= are composed of two electrodes and an organic light-emitting material. Further, each control element: 12 is connected to the power line 114, wherein the power line is provided The control unit 112 drives the current required for the light-emitting element 1〇6. ♦, 黯, 茶茶知图1, in the full-color display device, the active type has two & green light-emitting elements 1G6g and blue light-emitting elements 吏Each of the halogen regions 108 has the same luminous efficacy. The green system has a red light-emitting element with better luminous efficiency. Ί The light-emitting area of the 1G6g is reduced, so that the power is fixed at 12583 l & twf.d〇c In the case of the /c stream drive, this 3 efficiency is achieved. However, such d: field 108* has a similar luminosity toe_*e sacrificing the opening sheep (P) of some sub-tend region 108, thus the overall resolution ( Res〇luti〇n) The sorrow will be limited.) ', and for this reason, the other is proposed to avoid the above question == move = several electroluminescent elements array = light On the part of the array of elements: the second type of element 210 210 is designed to the right / in the main Organic electroluminescence sub-alkolic region '- a), and the unit area === only the green color shows that the M-precursor blue light-emitting element 10 is placed in the I-to-prime region pulse, so that The luminous efficiency is improved by increasing the area of straight hair. As a result, the aperture ratio of the sub-tenk region (e.g., the bismuth region 208a and the quaternary region 208b) having a better luminous efficiency of the vertical area. 1. However, if the red light-emitting element 106r, the green light-emitting element 1〇6, and the light-guiding light-emitting element are disposed in a sub-tend region having different areas and are made of three-dimensional materials, The way in which the ink is made will increase the reduction of the inkjet process. Owner [Invention] In view of the above, the object of the present invention is to provide an active, illuminating 7G device array, which can improve the overall illumination uniformity of the display without affecting the overall resolution of the display. Degree, and can make the aging degree of each of the light-emitting elements of the 12583 twf.doc/c array more consistent. The present invention proposes an active organic electroluminescent device 1 on a substrate. The active organic electroluminescence array is mainly used to scan the cat wiring, the plurality of data wiring, the plurality of first-light-emitting elements, the multi-unit tdt: the second control unit and the plurality of second control units, and The poor wiring wiring system and the scanning wiring are adjacent to the plurality of second-order halogen regions m and the second halogen region and the second secondary halogen region in the substrate region. ^, a first light-emitting element and a second control unit are disposed in the human-dual region, and the first-light-emitting element is coupled with the first-: ! - The second sub-regional region is configured with - the first element = the first photocell. The active organic electro-luminous device 1 further includes a plurality of shared power lines, respectively arranged in each One - in the human area. Moreover, at each first 苎!=The second control unit is electrically connected to the source line: in:: = electric:: machine =:=;, the line and the ΐ2 element area 'the first control unit= Even: Line. And controlling the early enthalpy to be electrically connected to the second power source. According to the preferred embodiment of the present invention, the first illuminating elements and 12583 1^80 twf.doc/c An organic light-emitting diode (PLED), and the second light-emitting elements are, for example, blue light-emitting 7G pieces. In an embodiment, the light-emitting areas of the second light-emitting elements are, for example, larger than these. The light-emitting area of the first hair piece. According to the preferred embodiment of the present invention, the data wirings of the broom wiring boards are further divided into a third pixel area on the substrate, and the second time is the third time. The region system and the first-order halogen region and the second halogen element at least ΐ: ΐ - = :: the active organic electroluminescent element array further comprises a second and a second control unit and a plurality of third control units. Wherein, the three light-emitting elements and each of the third-control fresh-spotted thieves are placed in the third and third control element regions, and, in each third pixel region, the --system is electrically connected to the third light-emitting layer. Element. According to a preferred embodiment of the invention, the primary light element The array further includes a plurality of third power lines, each of which is placed in the third of the above-mentioned pixel regions, and:: source: system? pixel area axis, third control unit is charged According to a preferred embodiment of the present invention, the light-emitting element and the third light-emitting element are, for example, arranged in a matrix of a Marseille 1 optical element i, a stripe type, or a 4-cell configuration. According to a preferred embodiment of the present invention, the foregoing: 如: if the organic light-emitting diode (OLED) polymer has a pled. Further, in the embodiment, the second precursor-polar light The area is, for example, greater than the hair of the third light-emitting element described above; the hair style of the face, the light-emitting efficiency of the triangle 12583 l & otwf.doc/c, and the light-emitting efficiency of the light-emitting element The illuminating element: the illuminating element in the output array at the same driving current: organic for the above and other objects, features and the preferred embodiment of the present invention [Embodiment] The light emitting efficiency per unit area is poor. Component configuration: in the neighborhood, and the control unit of the light-emitting element is disposed in the gate of the domain = to increase the sub-tend region where the light-emitting component is disposed ==2, which will be described below, but it is not used The invention is based on the invention, and the spirit of the invention is slightly changed, but it still belongs to the scope of the invention. Fig. 3 shows green as an active organic electroluminescent device array of the invention. 3 'Active organic electroluminescence: P column 310 is disposed on the substrate 300, and is mainly composed of a plurality of scanning fields, 302, a plurality of data wirings 3 () 4, a plurality of first light emitting elements throughout & And a plurality of second light-emitting elements 306b, a plurality of first control units, and a plurality of second control units. Wherein, the sweeping wire mesh 302 and the beading wire 304 distinguish a plurality of first-order halogen regions 12583 J^otwf.doc/c 308a and a plurality of second-order pixel regions 3〇8b on the substrate 300, and Preferably, the first time domain 308a is the same size as the first time pixel area 308b. Moreover, each of the first halogen regions 308a is adjacent to at least a second halogen region 3〇8b. Here, for convenience of explanation, Fig. 3 only shows a single first pixel region 308a and a single second pixel region 3〇8b. The second light-emitting elements 306b are disposed in each of the second pixel regions 308b, respectively. Specifically, the first light-emitting elements 3A, 6a, the first control unit 330a, and the first control unit 330b are disposed in each of the first-time regions 308a. The first control unit 330a is electrically connected to the first light-emitting element 306a for driving the first light-emitting element 306a, and the second control unit 33b is in each of the first pixel regions 3〇8a. Then, it is electrically connected to the second light-emitting element 3〇6b in the adjacent second halogen region 308b to drive the second light-emitting element 306b. The first control unit 330a and the second control unit 330b are respectively driven by the scan wiring 302 and the data wiring 304 corresponding thereto. In one embodiment, the first control unit 330a is comprised, for example, of two thin film transistors (TFTs) 332a, 334a and a 10 occator 336a. The thin film transistor 332a is used as a switching transistor to control the entry or exit of the driving signal. The other diaphragm transistor 334a serves as a driving transistor for receiving the signal output from the switching transistor 332a, and thereby driving the first illuminating element 3, for example. Similarly, the second control unit 330b is composed of, for example, two thin film transistors 332b, 334b and a capacitor 336b. Among them, the thin film electric 12 12583 l & otwf.doc / c = 332b, is a switching transistor to control the entry or not of the driving signal. Another thin film transistor is used as a driving transistor for receiving a signal output from the switching transistor 332b and thereby driving the second light emitting element 306b. Further, the first light-emitting element 3〇6a and the second light-emitting element are exemplified by a light-emitting diode (OLED) or a polymer light-emitting diode (LED). The first light-emitting element and the second light-emitting element are electrically-type light-emitting elements. Therefore, the active organic electroluminescent element array 2L further includes a plurality of strips for providing each of the first light-emitting elements. The device 306b drives the current line of the current (p. (4), which will be described below.) Referring again to the embodiment of the present invention, the active organic electroluminescent 70-piece array 310 further includes a plurality of shared power sources. The line 34() is also disposed in each of the first pixel regions 3〇8, respectively, and the control unit 330a and the second control unit are electrically connected to the power supply line 340. The electrical connection relationship between the first control unit 3 and the second and second control units 330b is described in detail, but since the electrical connection relationship between the second control unit and the first control unit is similar, the following Only the first control single illusion is used as a representative for description. Those skilled in the art can know the electrical connection relationship of the second control unit 330b according to the following description and the drawings. The switching of the first control unit 330a The gate of the crystal 332a is electrically connected to The cat wiring 302' and the source of the switching transistor 332a and the drain 13 itwf.doc/c are respectively connected to the data wiring 304 and the capacitor. On the other hand, the gate of the driving transistor 334a of the first f-unit 330a The pole is coupled to the drain of the switching transistor 332a, and the drain and the source of the driving transistor 334a are coupled to the first light emitting element 3〇6a and the common power line 34〇. The driving current is input from the source of the driving transistor 334a to the driving transistor 334a from the common power source line 34, and is outputted to the first illuminating element 3?6a by the drain of the driving transistor 334a, thereby enabling The first light-emitting element 306a is shown in Figure 4. Figure 4 is a partial top view of another active organic electroluminescent device array of the present invention. Referring to Figure 4, the present invention can also be configured in every first pixel region 308a. A first power line 35〇 and a second power line 36〇, wherein the first control unit 33〇a is electrically connected to the first power line 350, and the second control unit 33〇b is electrically connected. A power cord 36. It can be seen that the present invention does not It is defined whether the first control unit 330a and the second control unit 33〇b share the same power line, and the skilled person can decide according to the actual process. As can be seen from the above embodiment, each second pixel region 3〇8b Only one second light-emitting element 306b is disposed, so that the light-emitting area of the second light-emitting element 3〇6b can be set to be larger than the light-emitting area of the first light-emitting element 3Q6a. In an example, the light-emitting area of the second light-emitting element 306b is The ratio of the total area of the second prime region 308b is, for example, 8%. Here, the second light-emitting element 3G6b is, for example, a light-emitting element having a relatively low luminous efficiency per unit area, but since the second light-emitting element 3_ may have The large light-emitting area, 14 12583 J^SGtwf.doc/c, is the same (currently driving the first-light-emitting element 3G6a and the second light-emitting element 306b, it has a uniform brightness. ^Silk money electroluminescent array 310 __二二#第光光7° piece 306b luminous efficiency per unit area and .^^ ^4. Some right first set or display device for a certain L= = Requirement 'For example, if the brightness of a certain color light is different from other colors, the present invention can also be used to achieve the cut organic electroluminescence display (9), usually by using three elements to form a halogen region. The sub-sinus region is the light-emitting element of the two colors, that is, red light, green light, and *pieces, so that each of the four prime areas can emit full-color light. The use of the examples illustrates the use of the present invention in the development of full color organic electroluminescence. Array ^ is another active organic electroluminescent device of the present invention =: partial top view. It should be noted that the main electroluminescence readout_ in the present embodiment is substantially similar to the active electroluminescent device array 31A illustrated in FIG. 3, so that the description is simplified. The differences between the parts are illustrated in FIG. 5, and the same components are denoted by the same reference numerals, and these descriptions have been omitted, and the description of FIG. 3 will not be repeated here. Referring to FIG. 5, in the active organic electroluminescent device array 5, the 15 125S3 lS80twf.doc/c scan wiring 302 and the data wiring 304 are separated on the substrate 300 to distinguish a plurality of first pixels. a region 308a, a plurality of second-order halogen regions 3〇8b, and a plurality of third-order halogen regions 308c (FIG. 5 only shows the first halogen region 308a, the second halogen region 308b, and the third time Each of the pixel regions 3〇8c), and preferably, the size of the first halogen region 3〇8a, the second halogen region 308b, and the third halogen region 3〇8c are the same. Further, the gas first-human adipose region 308c is adjacent to at least one of the first halogen region 308a and the second halogen region 308b.

請繼績參關5,與® 3所示之主械有機電致^ 凡件陣列310相較之下,主動式有機電致發光元件陣列% 更包括严個第二發光元件3〇6c以及多個第三控制單; 330c。第二發光凡件3〇6c例如是ο·或是卩⑽。斗 峨如與第三發光元件306c例㈣ =或:光發光元件’第二發光元件鳩則例如) 件。此外,在—實施例中,第-發光元件3〇6a.Please follow the record 5, compared with the main organic electro-luminous array 310 shown in the ® 3, the active organic electroluminescent device array % includes a strict second illuminating element 3 〇 6c and more a third control list; 330c. The second luminous element 3〇6c is, for example, ο· or 卩(10). For example, the third light-emitting element 306c (4) = or: the light-emitting element 'the second light-emitting element 例如, for example). Further, in the embodiment, the first light-emitting element 3〇6a.

如θ 3〇6b以及第二發光元件3〇6c之排列方式々 ' 1 (如圖6A所示)、三角型(如咖 所干):、2 (如圖6<:所7^及4晝素配置型(如圖6] 所不),且在圖6D中,第—饮, 有機發光轉G,m 5光704 3G6a例如是心 件b,而配置在第-Γ二” 3嶋例如是藍光發光^ 3〇6c有-^^7; Λ域施内的第三發光元卡 峥光發光元光元件R,-部份則例如力 、,朱先U疋件G。本發明並不限定主 16 12583 H〇c/c 件陣列中之發光元件的排列方式。 如圖5所示,這些第三發光元件306c與第三控制單 元330c係分別配置在每一第三次晝素區域308c内。而且, 在每一第三次畫素區域308c内,第三控制單元330c係與 第三發光元件306c電性連接,用以驅動第三發光元件 306c。在一實施例中,每一第三控制單元33〇c例如是同 樣由兩個薄膜電晶體與一個電容器所構成,且第三控制單 元330c係藉由其所對應之掃猫配線302與資料配線304 而驅動。 同樣地,本實施例之每 配置有條第二電源線370,其係電性連接至第三控制單 疋330c’用以提供第三發光元件3〇6c之驅動電流。此外, ^實施例之第-控制單元孤與第二控制單元3鳥可以 疋共同電性連接至共同電源線34G (如圖5所示),也可 以分別電性連接至第_雷、、盾媸1 圖7所示)。《&原線现與弟二電源線(如 電流:得:=Ϊ、’由於共用電源線340必須承載較高的 ^ ”、、避免共用電源線340因承載過多#恭、、ώ 電源線的材質均相同, ,右所有 ,_ „ 則共用電源線340的截面萨你u曰 大於第三電源線370或县J戰面積例如疋 二電源線360的截面^= 6所示之苐一電源線350與第 係數(resistivity)較小二之外,#然也可以選用電阻 . 之材質來製作共用電源線340。 12583 l&o twf.doc/c 12583 l&o twf.doc/c 不贫明具有下列優點 1. 本發明係將用以驅動第二發光元件的第二控 元配置在第-次晝素區域内,以使第二次 夠的空間。如此一來,即可將第二發光元相發光面3 加至約為弟二:欠晝素區域之總_的8G%,以充分利用 t次晝素區域之開口率。由此可知,本發縣增加第二 發光元件㈣光_,而_小其他發光元件的發光面 t因=本剌㈣知減之下,可具純佳之解 發光焭度。 2. 在本發明巾,可將單麵積之發光效率較差的發 ίΠΓ在第二:欠晝魏_,並且增城發光元件的 1Ϊ1,Γ其與其他發光元件在相同的驅動電流下能 1出免度相近的光線。因此,本糾之 光元件陣列中的發光元件具有較—致的工作壽命換ί =’若將本發明應詩有機電致發光顯示器巾,則此有^ 電致發光顯不器可具有較佳的顯示晝質。 、 3·本叙明可在具有大小相同之次書 有機電致發光元件陣列中,W 域的主動式 式而增二的:::因這些發光元件的排列方 雖然本發明已以較佳實施例揭露如上,缺 限定本發明’任何熟習此技藝者’在不脫離:發= 18 125831^: «Otwf.doc/c f鬥典 些权更動與潤都,因此本發明之保護 乾1U視伽之巾料鄕_界 … 【圖式簡單制】 為準。 圖1 %示為習知一種主動彳古4办 部分上視示意圖。 動式有機電致發光元件陣列的 的:=ΐΓ:另一種主動式有機電致發光元件陣列 列的==明之—種主動式有機電致發光元件陣 圖4至圖5分別纷示為本發明 式有機電致發光元件陣列的部分例中的主動 至圖6D分別繪示為本發明之不同實施例中的 動式有機電致發光元件陣_部分上視示意圖。 列福本發%之—社動料機1致發光元件陣 N的部分上視示意圖。 【主要元件符號說明】 1〇〇、300 :基板 102、302 :掃瞄配線 104、304 :資料配線 106 :發光元件 106r :紅光發光元件 l〇6g :綠光發光元件 l〇6b :藍光發光元件 l〇8、2〇8a、208b、208c:次晝素區域 19For example, θ 3 〇 6b and the second illuminating element 3 〇 6c are arranged in the manner of 々 ' 1 (as shown in FIG. 6A ) and triangular (as in the coffee): 2 (as shown in FIG. 6 <: 7 and 4) The configurable type (as shown in FIG. 6), and in FIG. 6D, the first drink, the organic luminescence to G, the m 5 light 704 3G6a is, for example, the core b, and is disposed in the first Γ 2" 3 嶋The blue light emitting ^ 3 〇 6c has - ^ ^ 7; the third illuminating element card in the 施 domain application 峥 light illuminating element optical element R, - part is for example, force, Zhu Xian U 疋 G. The invention is not limited The arrangement of the light-emitting elements in the main 16 12583 H〇c/c array. As shown in FIG. 5, the third light-emitting elements 306c and the third control unit 330c are respectively disposed in each of the third pixel regions 308c. Moreover, in each third pixel region 308c, the third control unit 330c is electrically connected to the third light emitting element 306c for driving the third light emitting element 306c. In an embodiment, each third The control unit 33〇c is, for example, also composed of two thin film transistors and one capacitor, and the third control unit 330c is connected to the cat wiring 302 and the data thereof. Similarly, each embodiment is provided with a second power line 370 electrically connected to the third control unit 330c' for providing the driving current of the third light-emitting element 3〇6c. The first control unit of the embodiment and the second control unit 3 can be electrically connected to the common power line 34G (as shown in FIG. 5), or can be electrically connected to the _th, Shield, respectively. 1 Figure 7). "& the original line and the second power line (such as current: get: = Ϊ, 'because the shared power line 340 must carry a higher ^", to avoid the shared power line 340 due to excessive load #恭,,ώ The material of the power cord is the same, right, _ „ The cross section of the shared power line 340 is larger than the third power line 370 or the area of the county J, such as the cross section of the power line 360 ^= In addition to the power supply line 350 and the second coefficient (resistivity) shown in Fig. 6, the material of the resistor can also be used to make the common power line 340. 12583 l&o twf.doc/c 12583 l&o Twf.doc/c is not poor and has the following advantages: 1. The present invention is to drive the second illuminating element The second control element is arranged in the first-order pixel region to make the second enough space. In this way, the second illuminating element phase illuminating surface 3 can be added to the total of the second dynasty: 8G% of _, in order to make full use of the aperture ratio of the pixel region of t times. It can be seen that the second light-emitting element (four) light_ is added to the county, and the light-emitting surface t of the other small light-emitting elements is reduced by Underneath, it can have a purely good luminosity. 2. In the towel of the present invention, the light-emitting efficiency of a single area can be reduced in the second: 昼Wei_, and the 发光1 of the Zengcheng illuminating element, Other illuminating elements can emit similarly illuminating light at the same driving current. Therefore, the light-emitting elements in the array of light-correcting elements have a relatively long working life. If the present invention is applied to an organic electroluminescent display, the electroluminescent display can be preferably provided. Shows enamel. 3. The present description can be added to the active structure of the W domain in an array of sub-book organic electroluminescent elements having the same size:: Because of the arrangement of these light-emitting elements, the present invention has been preferably implemented. For example, as described above, the invention is not limited to any one skilled in the art: it does not leave: hair = 18 125831^: «Otwf.doc/cf fighting the code to change the power and run the capital, so the protection of the present invention 1U gaze The towel 鄕_界... [Simple system] shall prevail. Figure 1 shows a schematic diagram of a part of the active and active 4th office. The array of the movable organic electroluminescent device: = ΐΓ: another active organic electroluminescent device array column = = Ming - an active organic electroluminescent device array, Figures 4 to 5 respectively show the present invention The active portion of the embodiment of the organic electroluminescent device array to FIG. 6D is a schematic top view of the dynamic organic electroluminescent device array in different embodiments of the present invention.约福本本发% - The dynamic plot of the light-emitting element array N of the social machine. [Main component symbol description] 1〇〇, 300: substrate 102, 302: scan wiring 104, 304: data wiring 106: light-emitting element 106r: red light-emitting element 10 6g: green light-emitting element 10 6b: blue light Element l〇8, 2〇8a, 208b, 208c: secondary halogen region 19

Otwf.doc/c 110、210、310、500 :主動式有機電致發光元件陣列 112 :控制單元 114 :電源線 306a :第一發光元件 306b :第二發光元件 306c ··第三發光元件 308a :第一次晝素區域 308b ··第二次晝素區域 308c :第三次晝素區域 330a :第一控制單元 330b :第二控制單元 330c :第三控制單元 332a、332b、334a、334b ··薄膜電晶體 336a、336b ··電容器 340 •共用電源線 350 :第一電源線 360 •第二電源線 370 :第三電源線 R ·· 紅光發光元件 G ·· 綠光發光元件 B : 藍光發光元件Otwf.doc/c 110, 210, 310, 500: active organic electroluminescent element array 112: control unit 114: power supply line 306a: first light emitting element 306b: second light emitting element 306c · · third light emitting element 308a: The first halogen region 308b··the second halogen region 308c: the third halogen region 330a: the first control unit 330b: the second control unit 330c: the third control unit 332a, 332b, 334a, 334b·· Thin film transistor 336a, 336b · Capacitor 340 • Common power supply line 350: First power supply line 360 • Second power supply line 370: Third power supply line R · Red light emitting element G · Green light emitting element B : Blue light emitting element

Claims (1)

12583 ^80twf.doc/c 十、申請專利範圍: h 有機電致發光元件陣列,配置 上,主動式有機電致發光元件_包括: 土板 夕數條掃瞄配線,配置於該基板上; 多數條資料配線,配置於該基板上 ==線在該基板上至少區分出多數個 二次晝素區域’其+每—該些第 素巧係與該些第二次晝素區域至少其中之-相鄰; 於該件’每―該些第―發私件係配置 Λ ~ ^ -人晝素區域其中之一内; ^個第二發統件’每—該些第二 於該第二:欠畫素區域其中之—内; 仟係配置 於控制單元’每一該些第一控制單元係配置 目苗配人1區域其中之—内’並藉由對應之該些掃 配線其中之一與該些資料配線其中之—而 二二苐一。人旦素區域内,該第一控制單元係電性連接至 邊弟一發光元件;以及 多數個第二控制單元,每一該些第二控制單元係配 ^亥些第—次4素區域其中H並藉由對應之該些掃 田配線其中之一與該些資料配線其中之一而驅動,且在每 /二弟-人晝素區域内,吕亥弟一控制單元係電性遠接牵 相鄰之該第二次晝素區域内之該第二發光連接至 _ 2.如申請專利範圍第1項所述之主動式有機電致發光 70件陣列,更包括多數條共用電源線,每一該些共用4源 21 125831篇 8〇twf.doc/c 線係配置於該些第一次晝素區域其中 ,… 些第-次晝素區域内’該第一控制單元與 ::该 係電性連接至該共用電源線。 第一控制早兀 3.如申請專利範圍第丨項所述之主動 疋件陣列,更包括多數 有機電致發光 線,每一料帛^條第電树以及多數條第二電源 母忒些苐一電源線與每一該些第二電源錄 J該些第-次晝素區域其中之—内,且在每第一 控制單元係電性連接至該第二電源 Μ第—控制早凡則係電性連接至該第二 元件範圍第1項所述之主動式有機電致發光 iJ: 極體(0LED)或是聚合物發光二極體 元件範圍第1項所述之主動式有機電致發光 域之大ϋ雜第—次晝素區域與該些第二次晝素區 元件it, ΐ專利範圍第1項所述之主動式有機電致發光 t列,/、中該些第二發光元件之發光面積係大於該些 弟—發光元件之發光面積。 一 元件^ 如申請專利範圍第1項所述之主動式有機電致發光 列,其中該些掃瞄配線與該些資料配線更於該基板 ϋ分出f數個第三次晝素區域,且每-該些第三次晝素 ^糸與4些第-次晝素區域以及該些第二次晝素至少其 之相鄰’而該主動式有機電致發光元件陣列更包括: 22 12583 1^80twf.doc/c 多數個第三發光元件,每一該些第三發光元件係配置 於該些第三次畫素區域其中之一内;以及 多數個第三控制單元,每一該些第三控制單元係配置 於該些第三次晝素區域其中之一内,並藉由對應之該些掃 瞄配線其中之一與該些資料配線其中之一而驅動,且在每 一該些第三次晝素區域内,該第三控制單元係電性連接至 該第三發光元件。 8. 如申請專利範圍第7項所述之主動式有機電致發光 元件陣列,更包括多數條第三電源線,每一該些第三電源 線係配置於該些第三次晝素區域其中之一内,且在每一該 些第三次畫素區域内,該第三控制單元係電性連接至該第 三電源線。 9. 如申請專利範圍第7項所述之主動式有機電致發光 元件陣列,其中該些第三發光元件為有機發光二極體 (OLED)或是聚合物發光二極體(PLED)。 10. 如申請專利範圍第7項所述之主動式有機電致發 光元件陣列,其中該些第三發光元件為紅光或綠光發光元 件。 11. 如申請專利範圍第7項所述之主動式有機電致發 光元件陣列,其中該些第二發光元件為藍光發光元件。 12. 如申請專利範圍第7項所述之主動式有機電致發 光元件陣列,其中該些第一發光元件為紅光或綠光發光元 件。 13. 如申請專利範圍第7項所述之主動式有機電致發 23 Otwf.doc/c 光元件陣列,其中該些第一次畫素區域、該些第二次畫素 區域以及該些第三次晝素區域之大小相同。 14.如申請專利範圍第7項所述之主動式有機電致發 光元件陣列,其中該些第二發光元件之發光面積係大於該 些第三發光元件之發光面積。 15·如申請專利範圍第7項所述之主動式有機電致發 光元件,其中該些第一發光元件、該些第二發光元件以及 該些第三發光元件之排列方式係呈馬賽克型、三角型、條 紋型或4畫素配置型。12583 ^80twf.doc/c X. Patent application scope: h Organic electroluminescent device array, configuration, active organic electroluminescent device _ includes: earth plate scanning wire, arranged on the substrate; Strip data is arranged on the substrate. The == line distinguishes at least a plurality of secondary halogen regions on the substrate, and each of the first and second halogen regions is at least - Adjacent; in the 'per-these----------------------------------------------------------------------------------------------------------------------------------- The nucleus is disposed in the control unit, and each of the first control units is configured to be within the area of the target 1 and is corresponding to one of the sweep wires. These data are wired to one of them - and two. In the region of the human element, the first control unit is electrically connected to the light-emitting element of the brother-in-law; and a plurality of second control units, each of the second control units is equipped with the first-fourth-level region. H is driven by one of the corresponding sweeping wirings and one of the data wirings, and in each/two-personal-human area, the Lu Haidi control unit is electrically connected. The second illuminating light in the second arsenal region is connected to _ 2. The active organic electroluminescent 70-piece array according to claim 1, further comprising a plurality of common power lines, each of which These shared 4 sources 21 125831 articles 8 〇 twf.doc / c line system is arranged in the first halogen region, ... in the first - secondary pixel region 'the first control unit and :: the system Connect to the shared power cord. The first control is as early as 3. The active element array as described in the scope of the patent application, further includes a plurality of organic electroluminescent lines, each of which is an electric tree and a plurality of second power sources. a power line and each of the second power sources are recorded in the first-order sub-regions, and each of the first control units is electrically connected to the second power source. The active organic electroluminescence iJ: the polar body (0LED) or the active organic electroluminescence described in the first item of the polymer light-emitting diode element range 1 is electrically connected to the second component range. a large doped first-secondary region of the domain and the second element of the halogen region, it is an active organic electroluminescence t column according to item 1 of the patent scope, /, and the second light-emitting elements The light-emitting area is larger than the light-emitting area of the light-emitting elements. An active organic electroluminescent column according to claim 1, wherein the scanning wires and the data wires divide the f-number of third-order halogen regions from the substrate, and Each of the third-order halogen elements and the four first-order halogen regions and the second-order halogen elements are adjacent to each other, and the active organic electroluminescent element array further comprises: 22 12583 1 ^80twf.doc/c a plurality of third illuminating elements, each of the third illuminating elements being disposed in one of the third pixel regions; and a plurality of third control units, each of the The three control units are disposed in one of the third sub-division regions, and are driven by one of the scan wires and one of the data wires, and in each of the In the tertiary halogen region, the third control unit is electrically connected to the third light emitting element. 8. The active organic electroluminescent device array of claim 7, further comprising a plurality of third power lines, each of the third power lines being disposed in the third pixel regions In one of the third pixel regions, the third control unit is electrically connected to the third power line. 9. The array of active organic electroluminescent elements according to claim 7, wherein the third illuminating elements are organic light emitting diodes (OLEDs) or polymer light emitting diodes (PLEDs). 10. The active organic electroluminescent device array of claim 7, wherein the third illuminating elements are red or green illuminating elements. 11. The active organic electroluminescent device array of claim 7, wherein the second illuminating elements are blue illuminating elements. 12. The active organic electroluminescent device array of claim 7, wherein the first illuminating elements are red or green illuminating elements. 13. The active organic electroluminescent 23 Otwf.doc/c optical element array according to claim 7, wherein the first pixel regions, the second pixel regions, and the first The size of the cubic element area is the same. The active organic electroluminescent device array of claim 7, wherein the second illuminating elements have a illuminating area greater than a illuminating area of the third illuminating elements. The active organic electroluminescent device of claim 7, wherein the first illuminating elements, the second illuminating elements, and the third illuminating elements are arranged in a mosaic or triangle. Type, stripe or 4-pixel configuration. 24twenty four
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TWI474752B (en) * 2008-03-23 2015-02-21 Sony Corp EL display panel and an electronic device with an EL display panel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI474752B (en) * 2008-03-23 2015-02-21 Sony Corp EL display panel and an electronic device with an EL display panel

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