TWI223713B - Method and system for testing driver circuits of AMOLED - Google Patents
Method and system for testing driver circuits of AMOLED Download PDFInfo
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- TWI223713B TWI223713B TW092107304A TW92107304A TWI223713B TW I223713 B TWI223713 B TW I223713B TW 092107304 A TW092107304 A TW 092107304A TW 92107304 A TW92107304 A TW 92107304A TW I223713 B TWI223713 B TW I223713B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
- G09G3/3241—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element the current through the light-emitting element being set using a data current provided by the data driver, e.g. by using a two-transistor current mirror
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- Electroluminescent Light Sources (AREA)
- Control Of El Displays (AREA)
Description
1223713 五、發明說明（l) 一、 【發明所屬之技術領域】 本發明係提供一種測試方法及系統，於鍍上有機發光 二極體前，測試一主動式有機發光顯示器之驅動電路。 二、 【先前技術】 隨著科技的進步，螢幕顯示技術也跟著日新月異。繼 發光一極體（L E D )顯示技術之後，市面上出現了 一種全新 的平面顯示技術，這種新技術稱為有機發光二極體 (organic light emitting diode)顯示技術，簡稱為 0 L E D。有機發光二極體需要一個驅動電路來驅動。以主動 式發光顯示技術（active matrix organic light emitting display，簡稱AMOLED)為例，驅動電路產生一 電流來驅動有機發光二極體發光的，發的光可為紅、綠、 藍等單色’甚至可以達到全彩的效果。有機發光二極體不 僅可以捲起來帶著走，還完全沒有視角問題。同時壽命長 達數千小時，而且耗電量非常低。由於有機發光二極體有 上述的優點，因此極有可能取代傳統的發光二極體，成為 下一代顯示技術的主流。 利用有機發光二極體製作一顯示器時，每一個畫素 (pixel)需要一個有機發光二極體，也就是每一個畫素需 要一個驅動電路。因此一個顯示器會有數以萬計甚至百萬 計的驅動，路。如何有效地測試這些驅動電路便是一個很 大工权。第一圖、第二圖和第三圖為目前較常使用的驅動
第5頁 1223713 五、發明說明（2) 電路。習知測試驅動電路的方法是在鑛上有機發光二極體 OLED後，由寫入掃描線（Wri te scan 1 ine)WSL各別致能單 一驅動電路，再由資料線（data line)DL輸入一電壓準 位。此電壓準位經由此一驅動電路轉換為一電流信號I， 此電流信號I驅動有機發光二極體〇LED而使OLED發光。測 試人員便依據輸入之電壓準位，目測有機發光二極體儿^ 之發光壳度是否正常，來判斷此驅動電路可否正常工作。 此習知之方法會因測試人員主觀認定的差異，而造成測試 結果不精確。更嚴重的問題是，若某一個驅動電路無法^ f工作’連帶鍍在該驅動電路之有機發光二極體儿⑽亦跟 著報廢，無法回收，而導致成本的提高。因此，便需要一 種測試方法，可於鍍上有機發光二極體〇LED之前， 準確地測試每一個驅動電路。 '' 【發明内容】 妒，本t η 1 一種方法及系、洗，於鍍上有機發光二極 之驅動電路，盆中主翻々古德於丄動式有機發先顯不器 r 動式有機發光顯示器包含-輸入襯墊 1 npu pad)、一寫入掃描線及一資料線。 本發明所提供之測試方 所有的驅動電路皆測試完畢 上之一資料信號。經由輸入 掃描線，以選擇下一個欲測 法如下：重複以下步驟，直到 、、二由輸入襯墊，設定資料線 概墊，輸入一電壓準位至寫入 試之一驅動電路。量測流經測 1223713 五、發明說明（3) 分析此一電流信號，以判斷此一驅 試元件之一電流信號 動電路可否正常工作 本發明所提供之測試系統包含一資料輸入器（data input dev ice) 像素選擇器（pixel selection evice)及里測 1 置（measurement device)。資料輸 ^裔與輸入概塾相連接，用來設定並輸入資料信號。像素 $擇器亦與輸入概塾相連接，用來輸入一選擇信號，以選 欲測試^驅動電路。量測裝置與一電源及輸入襯墊相連 用來里測流經測試元件之一電流信號，以判斷此驅動丨_ 電路可否正常工作。 四、【實施方式】 本發明提供一種在鍍上有機發光二極體之前，測試一 =動式有機發光顯示器之驅動電路的方法。假設此主動式 機發光顯示器具有複數個驅動電路，用來驅動複數個有 墊發光二極體。此主動式有機發光顯示器包含一輸入襯 上、一寫入掃描線及一資料線。輸入襯墊用來輸入一選擇 ^旒，以選擇欲測試之一驅動電路，及用來輸入一資料信 =有機發光二極體發光。寫入掃描線接收來自輸入襯 钟之選擇信號，用來致能（enable)或失能（disable)欲測 武之驅動電路。資料線接收來自輸入襯墊之資料信號，將 ^資料信號傳送至欲測試之驅動電路。第四圖為二用本 發明之方法測試之一驅動電路（尚未鍍上有機發光二極
!223713 五、發明說明（4) 體）。如第四圖所示，驅動電路包含—第_ 第二電晶體Μ43及一測試元件1〇〇。第一電曰$ ^ = Μ41、 電晶體Μ43各包含一源極（s〇urce)s、—體MU及第二 汲極（(1以111)0。其中，第一電晶體}^41之°=1：6炻及 接至主動式有機發光顯示器之資料線儿，/、二“或汲極）連 之閘極G連接至主動式有機發光顯示器之 電晶體M4 1 :二：晶體M43之汲極D(或源極)在鍍’機：描,:SL丄 Ϊ機發明之測試 = 體之別’先裝置一測試元件100於第二電晶 ^3之汲極D(或源極）’以形成一測試迴 二電晶體“43->測試元件〗〇〇_>接地）。 源VDD-〉弟 五圖ΐ:Γ:提^測試方法如第五圖所示。配合第四、 已 >=:二在步驟501時’檢查是否所有驅動電路都 定資料：DT卜右！.：則執行步驟5 〇 3，經由輸入襯墊，設 墊It 一 ίίΪ料信號。在步驟505時’經由輪入襯 一驅^電路。^位至寫入掃描線WSL，以選擇欲測試之 M41為一P通道薄膜驅動電路為例’由於第-電晶體 線WSL合傳送一'低堡 因此在步驟5〇5時，寫入掃描 驄私/傳 低準位電壓至第一電晶體M41之閘極G，以 ^ f 電晶體M41導通’使得在步驟5 0 3中已設定之資料 能輸入此&驅動電路。在步驟5〇7時，量測流經測試元 測試迴之路一串電/信號。由於欲擷取此電流信號需與上述之 <格甲％ ’而第二電晶體M43之汲極D(或源極）與測試
1223713 五、發明說明（5) 元件100之間，以及測試元件100與接地之間均已固定，無 法串聯一量測裝置102，故_聯此量測裝置102
與節間，以量測此電流信號。在步驟509時'，分析此 一電流信號，以判斷此一驅動電路可否正常工作；若判斷 結果能正常工作，則回到步驟5〇 1，繼續檢查是否所有的 驅動電路都已測試完畢。若尚有驅動電路未測試完畢，則 繼續執行步驟503、5〇5、5〇7及5〇9，測試下一個驅動電 路，直到所有的驅動電路都測試完畢為止，才會執行步驟 511，結束整個測試流程。而若是在步驟5〇9中測試發現此 一驅動電路無法正常工作，則將這一個驅動電路的位置紀 錄下來，之後同樣地回到步驟5 〇 1，繼續檢查是否 驅動電路都已測試完畢。 — 有的 裝設此測試元件1 〇〇的目的在於形成一測試迴 量測裝置1 0 2量測流經測試元件1 〇 〇之電流信號，因 供 可利用一電阻做為此測試元件丨〇〇。由於有機I 此吾人 在被驅動時的阻值約為丨0歐姆至i 〇 Κ歐姆間，^ 了一 j體 其工作，此電阻之阻值需遠大於有機發光二極體之f知響 例如1 K歐姆至1 ο 0M歐姆間。在選擇電阻之阻值時，且值， 有機發光二極體阻值的1 0 〇倍或以上。除了電阻以$ η義為 可使用一薄膜電晶體做為測試元件1 〇 〇。同樣地，* 1亦 其阻值至少為有機發光二極體阻值的1〇〇倍或以上而選擇 電阻和薄膜電晶體外，其他任何元件可達成上述之。除了 皆可做為測試元件1 〇 〇。 目的，
1223713 五、發明說明（6) 以第四圖 線WSL為〇V時， 月匕’資料信號 值，其範圍介 有機發光二極 工作，則量測 0 · 〇 〇 2 # A。此 個灰階。在執 中’選擇64個 所掏取之電流 信號之數值應 之驅動電路為例。電源VDD為1 2V，寫入掃描 第一電晶體M41導通，整個驅動電路被致 可輸入此驅動電路。資料信號係為一電壓 於7 V〜1 Ο V。此一範圍共分為6 4個灰階，可使 體產生64種不同的亮度。若驅動電路可正常 到之電流信號的範圍應介於20 # A〜 一範圍對應資料信號之範圍，同樣可分為6 4 行步驟50 3時，資料信號於7V至10V之範圍 灰階之任一灰階。在執行步驟509時，分析 信號。若此一驅動電路正常工作，則此電流 落在相對應之灰階内。 〇 0 0身料信號亦可為一電流信號，其範圍介於20 “ A〜 一 2 # A，此一範圍同樣地分為6 4個灰階，可使有機發光 則體產生6 4種不同的亮度。若驅動電路可正常工作，則 =到流經測試元件1〇〇之電流信號的範圍亦介於2〇 #a〜 • υυ2 // A。 確it古^ t月之測试方法來測試AM0LED之驅動電路，可精 不；有：^整個測試流程。不會因為測試人員主觀的 门，而產生測試結果因人而異的缺點。 第六圖、第七圖中之雷 口 Y ^路亦為本發明之另一實施例 1223713 五、發明說明（7) ' —---- 二s第、四一圖中之驅動電路不同的是，第一電晶體M61、M71為 逼溥膜電晶體。因此欲致能第六圖、第七圖所示之驅 “路’寫入掃描線WSL上之資料信號需為高電壓準位。 此外’使用第七圖中之驅動電路的顯示器一 scaniine)EsL，用來在寫入-資料信= /肖除儲存於電容C71中之電壓。 表、> 在測試完成後，可正常工作之驅動電路便可鍍上有機 ^光一極體，並移走量測裝置1 〇 2。第八圖為第四圖之驅 一電路在錢上有機發光二極體後之電路圖。如第八圖所 :^此驅動電路中之有機發光二極體OLED與測試元件1〇〇 H ’但由於有機發光二極體OLED與測試元件1〇〇之阻值 々目、/〇〇倍以上，因此在鍍上有機發光二極體OLED後，流 試元件1〇〇之電流非常小，可忽略不計，故流經有機 I光一極體0LED之電流依然可以使其正常工作。 本發明之測試方法 圖所示之驅動電路，亦 不僅適用於第四圖、第六圖、第七 可適用於其他類似之驅動電路。 本發明同時揭霞一綠备妨 法。如望士 Fl仏 種糸統，用來執行上述之測試方 々弟九圖所示’此系統包一 選擇器23及一量測裝署1(1? 一3貝枓輸入益21、一像素 (C_eCW)31，、:輸置入襯塾：斗輸入器21透過-連接器 資料信號15。像幸選輸擇哭f二相連接’用來設定並輸入 豕常4擇益23亦透過連接器31，與輸入襯墊
1223713 五、發明說明
1 3相連接，用來輸入一選擇信號丨7， 電路1 1。量測裝置102亦透過連接器31，、奴測試之驅動 連接，且同時與一電源2 5相連接，用來量、襯墊1 3相 1 00之電流信號1 9，以判斷此特定驅動里路;机經測試元件 作。 動電路11可否正常工 ’不應以此做為限 圍所涵蓋之範_ 以上的敘述僅為說明本發明的精神 制。熟此技藝者可在不超越申請專利範 下，作適當的變化。
第12頁 1223713 圖式簡單說明 五、【圖示簡單說明】 第一圖為習知測試方法之第一驅動電路圖； 第二圖為習知測試方法之第二驅動電路圖； 第三圖為習知測試方法之第三驅動電路圖； 第四圖為利用本發明之方法測試之第一驅動電路圖； 第五圖為本發明測試方法之流程圖； 弟六圖為利用本發明之方法測試之弟二驅動電路圖， 第七圖為利用本發明之方法測試之第三驅動電路圖； 第八圖為鍍上有機發光二極體之驅動電路圖； 第九圖為本發明測試系統實施例之示意圖。 圖示元件符號說明 1主動式有機發光顯示器
11 驅動電路 1 5資料信號 1 9 電流信號 2 3像素選擇器 31連接器 1 0 2 量測裝置 1 3輸入襯墊 1 7選擇信號 2 1資料輸入器 25 電源 1 0 0 測試元件
第13頁
Claims (1)
1223713 六、申請專利範圍 一~ - 1. 一種鍍上一有機發光二極體（〇LED)之前測試一主動式 光顯示器UM0LED)之複數個驅動電路的方法，該主 輸^ 一,發光顯示器包含一輪入襯墊（input pad)，用以 sCa〜選擇信號及一資料信號；一寫入掃描線（write 略· 1 in e)’根據該選擇信號，致能欲測試之一驅動電 ’以及一資料線（data line)，用以將該資料信號傳送 中广碉試之該驅動電路，該驅動電路包含一測試元件，其 _剛試方法包含下列步驟：
檢查是否所有的驅動電路都已測試完畢，若否， 、執行步驟（b)，若是，則執行步驟（c); (b )經由該輸入襯墊，設定該資料信號，繼續執行步 ^ (d)； (c )結束測試工作； (d) 經由該輸入襯墊，設定該選擇信號，繼續執行步 騍（e); 、 (e) 量測流經該測試元件之一電流信號，繼續執行步 驟（η · w )，以及
否 （f )分析該電流信號，以判斷欲測試之該驅動電路可 正常工作，若是，則回到步驟（a )，繼續測試下一個驅 紀電路，直到所有的驅動電路都測試完畢為止，若否，則 、’、己錄該驅動電路的位置並回到步驟（a)，繼續測試下一個 驅動電路。 如申請專利範圍第1項所述之方法，其中該測試元件為
第14頁 1223713 六、申請專利範圍 一電阻。 3 ·如申請專利範圍第2項所述之方法，其中該電卩且之阻值 介於lk〜100M歐姆。 4.如申請專利範圍第1項所述之方法，其中該測試元件為 一薄膜電晶體（TFT)。 法，其中該設定該資料 電壓值，且範園介於 5 ·如申請專利範圍第1項所述之方 信號的步驟中，該資料信號係為一 7V〜10V 〇 6·如申請專利範圍第1項所述之方 信號的步驟中，該資料信號係為一 ’:其中該設定該資料 2〇 〜0· 〇〇2 。 电^值，且範園介於 7 ·如申請專利範圍第5項或第6項戶 斷欲測試之該驅動電路可否正常工述之方法，其中該判 信號之範圍介於2〇va〜0·0 0 2 /α8士作之步驟中，當該電流 路可正常工作。 ”即表示該特定驅動電 8 · 種链上一有機發光二極體之4 光=之複數個驅動電路的系統所主動式有機發 不益包s—輸人襯塾1以輸\〜選=動式有機發光顯
__ 彳5旎及—資料信 1223713 六、申請專利範圍 號；一寫入掃描線，根據該選擇信號，致能欲測試之一驅 動電路；以及一資料線，用以將該資料信號傳送至欲測試 之該驅動電路，該驅動電路包含一測試元件，其中該系統 至少包含： 一資料輸入器（data input device)，連接至該輸入 襯墊，用以設定該資料信號； 一像素選擇器（pixel selection device)，連接至該 輸入襯墊，用以設定該選擇信號；以及 一量測裝置（measurement device)，連接至該輸入襯 墊，用以量測流經該測試元件之一電流信號。 9. 如申請專利範圍第8項所述之系統，其中該測試元件為 一電阻。 10. 如申請專利範圍第9項所述之系統，其中該電阻之阻 值介於lk〜100M歐姆。 11. 如申請專利範圍第8項所述之系統，其中該測試元件 為一薄膜電晶體。 12. 如申請專利範圍第8項所述之系統，其中該資料輸入 器可產生一電壓值，且範圍介於7V〜10V。 13.如申請專利範圍第8項所述之系統，其中該資料輸入
第16頁 1223713
第17頁
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| TW092107304A TWI223713B (en) | 2003-03-31 | 2003-03-31 | Method and system for testing driver circuits of AMOLED |
| US10/460,196 US7116295B2 (en) | 2003-03-31 | 2003-06-13 | Method and system for testing driver circuits of amoled |
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| TW092107304A TWI223713B (en) | 2003-03-31 | 2003-03-31 | Method and system for testing driver circuits of AMOLED |
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| TW578001B (en) * | 2002-10-25 | 2004-03-01 | Toppoly Optoelectronics Corp | Method and system for testing driver circuits of AMOLED |
| TWI223097B (en) * | 2003-04-14 | 2004-11-01 | Toppoly Optoelectronics Corp | Method and apparatus for testing OLED pixels |
| GB0400216D0 (en) * | 2004-01-07 | 2004-02-11 | Koninkl Philips Electronics Nv | Electroluminescent display devices |
| JP2006139079A (ja) * | 2004-11-12 | 2006-06-01 | Eastman Kodak Co | 発光パネル用基板、発光パネル用基板の検査方法及び発光パネル |
| US20070126728A1 (en) * | 2005-12-05 | 2007-06-07 | Toppoly Optoelectronics Corp. | Power circuit for display and fabrication method thereof |
| EP2387021A1 (en) | 2010-05-12 | 2011-11-16 | Dialog Semiconductor GmbH | Driver chip based oled module connectivity test |
| CN106782312B (zh) | 2017-03-08 | 2019-01-29 | 合肥鑫晟光电科技有限公司 | 一种像素电路及其驱动方法、显示装置 |
| US11373566B2 (en) * | 2018-12-18 | 2022-06-28 | Innolux Corporation | Electronic device and manufacturing process thereof |
| CN111341799A (zh) * | 2018-12-18 | 2020-06-26 | 群创光电股份有限公司 | 电子装置及其制作流程 |
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| EP0238867B1 (en) * | 1986-02-21 | 1994-12-14 | Canon Kabushiki Kaisha | Display apparatus |
| US5731803A (en) * | 1995-12-21 | 1998-03-24 | Xerox Corporation | Array with light active units sized to eliminate artifact from size difference |
| US5952789A (en) * | 1997-04-14 | 1999-09-14 | Sarnoff Corporation | Active matrix organic light emitting diode (amoled) display pixel structure and data load/illuminate circuit therefor |
| US6897855B1 (en) * | 1998-02-17 | 2005-05-24 | Sarnoff Corporation | Tiled electronic display structure |
| US6498592B1 (en) * | 1999-02-16 | 2002-12-24 | Sarnoff Corp. | Display tile structure using organic light emitting materials |
| US6504524B1 (en) * | 2000-03-08 | 2003-01-07 | E Ink Corporation | Addressing methods for displays having zero time-average field |
| WO2001054107A1 (en) * | 2000-01-21 | 2001-07-26 | Emagin Corporation | Gray scale pixel driver for electronic display and method of operation therefor |
| US6762735B2 (en) * | 2000-05-12 | 2004-07-13 | Semiconductor Energy Laboratory Co., Ltd. | Electro luminescence display device and method of testing the same |
| JP4196531B2 (ja) * | 2000-09-08 | 2008-12-17 | 富士ゼロックス株式会社 | 表示媒体の駆動方法 |
| KR100551589B1 (ko) * | 2000-10-19 | 2006-02-13 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 잔상측정 방법 |
| US6580657B2 (en) * | 2001-01-04 | 2003-06-17 | International Business Machines Corporation | Low-power organic light emitting diode pixel circuit |
| US7330162B2 (en) * | 2002-02-28 | 2008-02-12 | Semiconductor Energy Laboratory Co., Ltd. | Method of driving a light emitting device and electronic equipment |
| JP3989756B2 (ja) * | 2002-03-18 | 2007-10-10 | シャープ株式会社 | 表示装置およびその走査回路検査方法 |
| US7067867B2 (en) * | 2002-09-30 | 2006-06-27 | Nanosys, Inc. | Large-area nonenabled macroelectronic substrates and uses therefor |
| TW578001B (en) * | 2002-10-25 | 2004-03-01 | Toppoly Optoelectronics Corp | Method and system for testing driver circuits of AMOLED |
| TWI223097B (en) * | 2003-04-14 | 2004-11-01 | Toppoly Optoelectronics Corp | Method and apparatus for testing OLED pixels |
| EP2698784B1 (en) * | 2003-08-19 | 2017-11-01 | E Ink Corporation | Electro-optic display |
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