TWI231042B - Method and device to promote the yield rate and uniformity of AMOLED panel - Google Patents

A method and device to promote the yield rate and uniformity of AMOLED panel is disclosed, which is mainly to add a ballast resistor between the drive transistor in each pixel and OLED. The ballast resistor can prevent the phenomenon that the voltage will not directly short-circuit with the common electrode when the driving transistor in the pixel is short-circuited or over current occurs, and when the OLED is short-circuited, so as to promote the yield rate and uniformity of panel.

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五、發明說明（1) 【發明所屬之技術領域】 本發明係有關一插# ^ + e i ^ # # , ,± / /# " ^(ΑΜΟί 動式有機發光二極體的陣（、，主要疋針對傳統主 能力及微小粒子（pa，tij ay)面板中，若有因製程 電曰^ cles)的影響，導致晝素内之驅動V. Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to a plug # ^ + ei ^ # #,, ± / / # " ^ (ΑΜΟί array of movable organic light emitting diodes (,,, It is mainly aimed at the traditional main power and fine particle (pa, tij ay) panels.

加於有拖路Z正#短路或電流過大現象，而使電壓源直接 D) ' ^ 、、/ 一極體（0LED)，這會使有機發光二極體（0LE )，，或者易被擊穿而短路，而〇LED短路會致使電壓源 直，加於共同電極處，而令整個面板（pane〇不能工作； 又若或者疋因製程能力及微小粒子（pa r t i c 1 e s )的影響， 畫素内同時驅動電晶體與0LED短路使畫素内的叽⑽元件無 法發光而產生缺陷；又或是因製程能力及微小粒子（parti cles)的影響，畫素内的〇led元件短路會讓〇led元件無法 發光而產生缺陷，為了解決此以上問題，本發明於驅動電 晶體與有機發光二極體間增加一平衡元件，並且提出並聯 多組（redundant)含驅動電晶體、平衡元件、0LED或者多 組含平衡元件與〇 L E D的備援串接架構，以抑止上述現象， 如此可提高面板（p a n e 1)的良率，同時也能增加面板顯示 的均勻性。 【先前技術】 已知，目前主動式有機發光二極體陣列面板所使用之 畫素架構，如第1圖及美國專利第6 1 573 56號之專利案， 在這兩案之畫素單元1 0包括有：一開關電晶體1 、一驅 動電晶體2、一儲存電容3及一有機發光二極體（〇LED) 5Added to the phenomenon that the positive path of the trailing circuit Z is short-circuited or the current is too large, and the voltage source is directly D) '^ ,, / one-pole (0LED), which will make the organic light-emitting diode (0LE), or easy to be broken down And short circuit, 〇LED short circuit will cause the voltage source to be straight and add to the common electrode, so that the entire panel (pane 〇 can not work; or if due to the process capability and the impact of small particles (par 1 es), pixels At the same time, the short circuit of the driving transistor and the 0LED makes the plutonium element in the pixel unable to emit light and cause defects; or because of the process capability and the effect of small particles (parti cles), the short circuit of the oled element in the pixel will make The element cannot generate light and cause defects. In order to solve the above problems, the present invention adds a balancing element between the driving transistor and the organic light emitting diode, and proposes a plurality of parallel groups (redundant) including a driving transistor, a balancing element, an 0LED or multiple A redundant serial connection structure including a balance element and an OLED is used to suppress the above phenomenon, so as to improve the yield of the panel (pane 1) and also increase the uniformity of the panel display. [Previous technology] It is known that the pixel architecture currently used in active organic light emitting diode array panels, such as FIG. 1 and the US Patent No. 6 1 573 56 patent case, the pixel unit 10 in these two cases includes: A switching transistor 1, a driving transistor 2, a storage capacitor 3, and an organic light emitting diode (〇LED) 5

1231042 五、發明說明（2) 所構成。當開關電晶體1就選擇線6的訊號大小呈現導、焉 狀態，此時資料信號由資料線7通過開關電晶體汲極鱼j ，而存於儲存元件3内（亦是開關電晶體導通後對儲存’電 容^電）’此時依照驅動電晶體2的特性，儲存元件3上 的跨電壓會決定驅動電晶體2驅動到0LED 5的電流大小， 而依照0LED 5元件的特性，不同的驅動電流會使叽肋 出不同強度的光。 x 但是，如果因製程能力及微小粒子（particles)的響 影’導致畫素内之驅動電晶體2發生不正常短路或電流曰過 大現象，而使電壓源直接加於有機發光二極體（〇LE D)，這 會使有機發光二極體（0LED)過亮，或者易被擊穿而短路^ 而0LED短路會致使電壓源（Vdd) 8直接加於共同電極（c〇m mon)，而令整個面板（panel )不能顯示畫面，·又若或者是 因製程能力及微小粒子（particles)的影響，畫素内同時 驅動電晶體與0LED短路，使畫素内的〇led元件無法發光而 產生缺陷；又或是因製程能力及微小粒子（1^1^1(：1以）的 影響’畫素内的0LED元件短路會讓〇leD元件無法發光而產 生缺陷；爱是， 【發明内容】 本發明之主要目的，在於解決上述傳統之缺失，避免 缺失存在’本發明在驅動電晶體與有機發光二極體間增加 一平衡元件’當驅動電晶體發生短路或電流過大現象時， 此時電壓源Vdd不直接加於有機發光二極體（〇LED)上，而 會先經電阻後’再加到有機發光二極體（〇LED)上，如此跨1231042 V. Composition of invention description (2). When the switching transistor 1 selects the signal size of the line 6 to be on or off, the data signal is stored in the storage element 3 by the data line 7 through the switching transistor drain electrode j (also after the switching transistor is turned on). For the storage 'capacitor ^ electricity', at this time according to the characteristics of the driving transistor 2, the voltage across the storage element 3 will determine the current driven by the driving transistor 2 to 0LED 5, and according to the characteristics of the 0LED 5 element, different driving Electric current causes the ribs to emit light of different intensities. x However, if the driving transistor 2 in the pixel is abnormally short-circuited or the current is too large due to the process capability and the influence of the particles, the voltage source is directly applied to the organic light-emitting diode (〇 LE D), this will make the organic light emitting diode (0LED) too bright, or it will be short-circuited by breakdown ^, and the short circuit of 0LED will cause the voltage source (Vdd) 8 to be directly added to the common electrode (comm mon), so that The entire panel cannot display a picture. Or, if it is due to the process capability and the influence of tiny particles, the driving of the transistor and the 0LED at the same time in the pixel will cause a short circuit in the pixel, which will cause a defect. ; Or because of the process capability and the influence of small particles (1 ^ 1 ^ 1 (: 1 to 1)) short circuit of 0LED elements in pixels will make OleD elements unable to emit light and cause defects; love is, [Contents of the invention] This The main purpose of the invention is to solve the above-mentioned traditional defects and to avoid the existence of the lack of "the invention adds a balancing element between the driving transistor and the organic light emitting diode" when the driving transistor is short-circuited or the current is too large, At this time, the voltage source Vdd is not directly applied to the organic light-emitting diode (0LED), but will be added to the organic light-emitting diode (0LED) through a resistance first, and thus across

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古β的電壓可以減小，以防止有機發光二極體⑺led)過 壳或者因電流過大而被擊穿而短路，但如果叽肿短路，由 衡元件的加人可使得電壓源、與共$電極不會直接短路 在一起，而使整個面板（panel)雖有點缺陷（p〇int defe ct)仍能正常顯示畫面。 所採之技術手段是將平衡元件之一 端連接，而另一端與有機發光二極 為達上述之目的， 端與驅動電晶體之汲極 體（0LED)之輸入端連接 【實施方式】 茲有關本發明之詳細内容及技術說明，現配合圖 明如下： ， 請參閱「第2圖所示」，係本發明之第一實施例主動 式有機發光二極體的陣列面板畫素單元示意圖。如圖所示 •本發明之提昇主動式有機發光二極體（〇LE〇)面板良率與 =勻丨生之方法主要疋於母個畫素（pixel)單元的驅動電 晶體（drive transistor)及有機發光二極體（〇LED)之間加 入一平衡兀件（ballast resistor)，以此平衡元件的存在 可避免驅動電晶體（drive transistor)及0LED均短路（sho rt)時，大量的漏電流由電壓源Vdd灌入共同電極，造成整 塊面板（panel)無法顯示畫面。 為達上述之方法，本發明所採用畫素單元丄〇包括有 、·一開關電晶體1 、一驅動電晶體2 、一儲存元件3 、一 平衡元件4及一有機發光二極體（0LED) 5所構成；其中， 上述之開關電晶體1可為但不限於N通道或p通道之金The voltage of the ancient β can be reduced to prevent the organic light-emitting diode from being led through the shell or being short-circuited due to breakdown due to excessive current. However, if the short circuit is bloated, the addition of a scale element can make the voltage source and the total The electrodes are not directly shorted together, so that the entire panel can display the picture normally even though it is a bit defective. The adopted technical means is to connect one end of the balancing element, and the other end to the organic light emitting diode to achieve the above purpose, and the end is connected to the input terminal of the drain body (0LED) of the driving transistor. [Embodiment] The invention is related to the present invention. The detailed content and technical description are as follows: Please refer to "shown in Fig. 2", which is a schematic diagram of a pixel unit of an array panel of an active organic light emitting diode according to the first embodiment of the present invention. As shown in the figure: The method of improving the yield and uniformity of the active organic light emitting diode (〇LE〇) panel of the present invention is mainly based on the drive transistor of the mother pixel unit. A ballast resistor is added between the OLED and the organic light emitting diode (0LED). The existence of the balance element can avoid a large amount of leakage when the drive transistor and the 0LED are shorted. The current is fed into the common electrode by the voltage source Vdd, so that the entire panel cannot display a picture. In order to achieve the above method, the pixel unit used in the present invention includes: a switching transistor 1, a driving transistor 2, a storage element 3, a balancing element 4, and an organic light emitting diode (0LED) 5; wherein the above-mentioned switching transistor 1 may be, but is not limited to, N-channel or p-channel gold

1231042 五、發明說明（4) 屬氧化半導 之任一種所 2端分別各 該驅動 氧化半導體 任一種所構 之源極2 1 2 2端與上 該儲存 元件一端與 於開關電晶 端連接處； 該平衡 之元件，或 構成，此平 3端連接， 入端5 1連 該有機 元件4之一 端5 2接共 當此畫 訊號大小呈 關電晶體1 是開關電晶1231042 V. Description of the invention (4) Any one of the two terminals of the oxide semiconductor is the source electrode of any one of the driving oxide semiconductors 2 1 2 The two terminals are connected to one end of the storage element and the switch transistor terminal The balanced element, or structure, this flat 3 terminal is connected, the input terminal 5 1 is connected to one of the organic components 4 terminal 5 2 is connected when the picture signal size is off the transistor 1 is a switching transistor

體場致電晶體（M0SFET # ’此開關電晶體1 連接有_選擇線6及一 ，晶體2 ，可為但不限 場效電晶體（M0SFET ) 如第2圖所示為P通 J而連接有一電壓源8 ， 述之·開關電晶體1之源 元件3係可為但不限於 驅動電晶體2之源極2 體1之源極1 3端與驅 )或薄膜電晶體（TFT) 的閘極1 1端、汲極1 資料線7 ; 於N通道或p通道之.金屬 或薄膜電晶體（TFT)之 道）’此驅動電晶體2 而驅動電晶體2的閘極 極1 3端連接； 電容器所構成，此儲存 1端連接，另一端連接 動電晶體2之閘極2 2 元件4係可為但不 者具有可調整電阻 衡元件4之一端4 而另一端4 2與有 接 發光二極體（0LED) 端4 2連接，有機 同電極（common); 素早元被選擇時， 現導通狀態，此時 汲極1 2與源極1 體導通後對儲存電 限於電阻器或具有電阻特性 值之可變電阻器之任一種所 1與驅動電晶體2之汲極2 機發光二極體（0LED) 5之輸 5之輸入端51與上述平衡 發光二極體（0LED) 5之輸出 開關電晶體1就選擇線6的 資料信號由資料線7通過開 3而存於儲存元件3内（亦 容充電），此時依照驅動電Body field call crystal (M0SFET # 'This switching transistor 1 is connected to _select line 6 and one, crystal 2 can be but not limited to field effect transistor (M0SFET) as shown in Figure 2 for P through J and connected to a The voltage source 8 is described. The source element 3 of the switching transistor 1 may be, but is not limited to, the source of the driving transistor 2 and the source 1 of the body 1. The terminal 3 and the driver) or the gate of a thin film transistor (TFT). 1 1 terminal, drain 1 data line 7; N-channel or p-channel. Metal or thin-film transistor (TFT) 'This drive transistor 2 and the gate electrode 1 of transistor 2 are connected at 3 terminals; capacitor The storage device 1 is connected at one end and the other end is connected to the gate 2 2 of the power transistor 2. The element 4 can be but not have one end 4 of the adjustable resistance scale element 4 and the other end 4 2 and the connected light emitting diode. The body (0LED) terminal 4 is connected to the same organic electrode (common); when the elementary element is selected, it is in a conducting state. At this time, the drain electrode 1 2 and the source electrode 1 are turned on and the stored electricity is limited to a resistor or has a resistance characteristic value. Any of the variable resistors 1 and the driving transistor 2 the drain 2 machine-emitting diode (0LED) 5 input 5 input The terminal 51 and the output switch transistor 1 of the above-mentioned balanced light-emitting diode (0LED) 5 select the data signal of the line 6 and the data line 7 is stored in the storage element 3 through the opening 3 (also capable of charging). Electricity

1231042 五、發明說明（5) 晶體2的特性，儲存元件3上的跨電壓會決定驅動電晶體 2驅動到有機發光二極體（0LED ) 5的電流大小，而依 照有機發光二極體（0LED ) 5元件的特性，不同的驅動 電流會使有機發光二極體（0LED ) 5發出不同強度的光。 當驅動電晶體2若因製程能力或微小粒子（part i cl es)的 影響，使驅動電晶體2發生短路或電流過大現象時，在驅 動電晶體2與有機發光二極體（〇LED) 5間增加一平衡元件 4，可使電壓源Vdd 8不直接加於有機發光二極體（0LED) 5上，而會先經平衡元件4後，再加到有機發光二極體 (0LED) 5上，如此跨在有機發光二極體（〇LED ) 5上的電 壓可以減小’以防止有機發光二極體（0LED) 5過亮或者因 電流過大而被擊穿而短路，但如果有機發光二極體（〇LED )5短路，平衡元件4的加入可使得電壓源8與共同電極 不會直接短路在一起，而使整個面板（P a n e 1 )雖有點缺陷 (point defect)仍能正常顯示畫面。 請參閱「第3圖所示」，係本發明之第二實施例示意 圖。如圖所不··本實施例是將畫素單元1 〇之驅動電晶體 2、平衡το件4及有機發光二極體（〇LED) 5形成一備援（r edundancy)串接電路9 ，此備援串接電路9同時連接多 組，如此當其中一組驅動電晶體2與有機發光二極體（〇L ED ) 5紐路時，平衡元件4的加入可使得電壓源8與接地 不會直接短路在一起，而在畫素内的其他組驅動電晶體2 、平衡凡件4、與有機發光二極體（0LED ) 5的串接電路 仍能正常工作（書去留 素早7C内的其他有機發光二極體〇LED元1231042 V. Description of the invention (5) The characteristics of the crystal 2, the voltage across the storage element 3 will determine the current driving the transistor 2 to the organic light emitting diode (0LED) 5, and according to the organic light emitting diode (0LED) ) 5 element characteristics, different driving currents will cause the organic light emitting diode (0LED) 5 to emit light of different intensity. When the driving transistor 2 is short-circuited or the current is too large due to the process capability or the influence of small particles (part i cl es), the driving transistor 2 and the organic light emitting diode (〇LED) 5 Adding a balancing element 4 between them can prevent the voltage source Vdd 8 from being directly applied to the organic light emitting diode (0LED) 5, but will be added to the organic light emitting diode (0LED) 5 through the balancing element 4 first. In this way, the voltage across the organic light-emitting diode (0LED) 5 can be reduced to prevent the organic light-emitting diode (0LED) 5 from being too bright or being short-circuited due to breakdown due to excessive current. The pole body (0LED) 5 is short-circuited. The addition of the balancing element 4 can make the voltage source 8 and the common electrode not directly short-circuited together, so that the entire panel (Pane 1) can display the picture normally despite a point defect. . Please refer to "shown in Fig. 3", which is a schematic diagram of a second embodiment of the present invention. As shown in the figure, in this embodiment, a driving transistor 2 of the pixel unit 10, a balancing το member 4, and an organic light emitting diode (0LED) 5 are formed into a redundant series circuit 9, The redundant series circuit 9 is connected to multiple groups at the same time, so when one of the driving transistor 2 and the organic light emitting diode (0L ED) 5 is connected, the addition of the balancing element 4 can make the voltage source 8 not connected to ground. Will be short-circuited directly, while the other groups in the pixel drive transistor 2, balanced components 4, and the series connection circuit with the organic light-emitting diode (0LED) 5 can still work normally. Other organic light-emitting diodes

第11頁 1231042 五、發明說明（6) 件仍能發光），如此可避免面板（p a n e 1 )有點缺陷產生。 請參閱「第4圖所示」’係本發明之第三實施例示意 圖。如圖所示：本實施例是將畫素單元1 〇之電阻元件4 及有機發光二極體（0LED) 5形成一備援（redundancy)之串 接電路2 0 ，此備援串接電路2 〇同時連接多組，如此當 其中一有機發光二極體0LED5短路時，平衡元件4的加入 可使驅動電晶體2的汲極2 3不直接短路到共同電極而造 成驅動電流的大變異，如此畫素内的其他組平衡元件4與 有機發光二極體0LED5的串接電路仍能工作（其他〇lED元 件仍能發光）’如此可避免面板（p a n e 1)有點缺陷產生。 請參閱「第5圖所示」，係本發明之第四實施例示意 圖。如圖所示··本實施例是將多組的畫素單元1 〇以陣列 排列方式’形成一有機發光一極體面板架構，並將同一列 畫素單元1 0之開關電晶體1的閘極1 1連接到選擇線（s elect 1 ine) 4 0 ，同一行畫素單元1 〇之開關電晶體1 的汲極1 2連接到資料線（Data 1 ine) 3 0。 睛參閱「第6圖所示」，係本發明之第五實施例示意 圖。如圖所示：此實施例是將驅動電晶體2、平衡元件4 及有機發光二極體（0LED) 5所形成多組備援（redundancy) 串接電路9之畫素單元1〇連接成一整體性之有機發光二 極體（0 LED)面板架構，並將同一列畫素單元開關電晶體1 的閘極1 1連接到選擇線（select line) 4 〇 ，同一行畫 素單元1 0之開關電晶體1的汲極丄2連接到資料線（Dat a line) 3 0。而且，在每一畫素單元丄〇之任一組驅動Page 11 1231042 V. Description of the invention (6) can still emit light), so that the panel (p a n e 1) can be prevented from generating some defects. Please refer to "shown in Fig. 4" which is a schematic diagram of a third embodiment of the present invention. As shown in the figure: in this embodiment, the resistive element 4 of the pixel unit 10 and the organic light emitting diode (0LED) 5 form a redundant series circuit 2 0, which is a redundant series circuit 2 〇Multiple groups are connected at the same time, so when one of the organic light emitting diodes 0LED5 is short-circuited, the addition of the balancing element 4 can make the drain 23 of the driving transistor 2 not directly short to the common electrode and cause a large variation of the driving current. The series connection circuit of the balance element 4 and the organic light-emitting diode OLED5 in the pixel can still work (the other OLED elements can still emit light). 'This can avoid the generation of a defect in the panel 1. Please refer to "shown in Fig. 5", which is a schematic diagram of a fourth embodiment of the present invention. As shown in the figure, the present embodiment is to form a plurality of groups of pixel units 10 in an array arrangement to form an organic light-emitting polar panel structure, and switch the gates of the switching transistors 1 of the same row of pixel units 10 The pole 1 1 is connected to the selection line (s elect 1 ine) 4 0, and the drain 1 2 of the switching transistor 1 of the pixel unit 10 in the same row is connected to the data line 3 (data 1 ine) 3 0. Referring to "shown in Fig. 6", it is a schematic diagram of a fifth embodiment of the present invention. As shown in the figure: In this embodiment, a plurality of sets of redundancy units formed by the driving transistor 2, the balancing element 4, and the organic light emitting diode (0LED) 5 are connected in series to the pixel unit 10 of the circuit 9 as a whole. Organic light-emitting diode (0 LED) panel architecture, and the gate electrode 1 1 of the same row of pixel unit switching transistor 1 is connected to the select line 4 〇, the switch of the same row of pixel unit 1 0 The drain 丄 2 of the transistor 1 is connected to a data line (Dat a line) 3 0. In addition, each pixel unit is driven

第12 1231042 五、發明說明（7) 電晶體2及有機發光二極體（0LED) 5短路時，平衡元件4 的加入可使得電壓源8與共同電極不會直接短路在一起， 而其他組驅動電晶體2、平衡元件4與有機發光二極體〇L ED5的串接電路仍能正常工作（其他有機發光二極體〇 l e j) 元件仍能發光），如此可避免面板（pane 1)有點缺陷產生。 請參閱「第7圖所示」，係本發明之第六實施例示意 圖。如圖所示：本實施例是將平衡元件4及有機發光二極 體（0LED) 5所形成多組的備援（redundancy)串接電路2 〇 之畫素單元1 〇連接成一整體性之有機發光二極體 面板架構，並將同一列晝素單元1 〇之開關電晶體1的閘 極1 1連接到選擇線（select line)4 0，同一行畫素單 元1 0之開關電晶體1的汲極1 2連接到資料線（d a t a line) 3 0。而且，當其中一有機發光二極體〇LED 5短路 時’由於平衡元件4的加入可使驅動電晶體2的汲極2 3 不直接短路到共同電極而造成驅動電流的大變異，如此其 他組平衡元件4與有機發光二極體〇led 5的串接電路仍能 工作（其他有機發光二極體0LED元件仍能發光），如此可避 免面板（panel)有點缺陷產生。 進一步’在於上述所提到之平衡元件4應於被動式有 機發光二極體之陰極端或陽極端上時，也可以改善cr〇ss -1 a 1 k的現象。 ^述僅為本發明之較佳實施例而已，並非用來限定本 發明實施之範圍。即凡依本發明申請專利範圍所做的均等 變化與修飾，皆為本發明專利範圍所涵蓋。Chapter 12 1231042 V. Description of the invention (7) When the transistor 2 and the organic light emitting diode (0LED) 5 are short-circuited, the addition of the balancing element 4 can make the voltage source 8 and the common electrode not directly short-circuited together, while other groups drive The series connection circuit of the transistor 2, the balancing element 4 and the organic light emitting diode 0L ED5 can still work normally (the other organic light emitting diode 0lej) elements can still emit light, so as to avoid the panel 1 being a bit defective produce. Please refer to "shown in Fig. 7", which is a schematic diagram of a sixth embodiment of the present invention. As shown in the figure: In this embodiment, a plurality of sets of redundant series circuits 2 formed by the balancing element 4 and the organic light emitting diode (0LED) 5 are connected to each other, and the pixel unit 1 〇 is integrated into a whole organic Light-emitting diode panel structure, and connect the gate electrode 1 1 of the switching transistor 1 in the same row of the day element unit 10 to the select line 4 0, and the switching transistor 1 of the pixel unit 1 0 in the same row. The drain electrode 12 is connected to a data line 30. Moreover, when one of the organic light-emitting diodes OLED 5 is short-circuited, 'the addition of the balancing element 4 can cause the drain 2 3 of the driving transistor 2 not to short-circuit directly to the common electrode, which causes a large variation in the driving current. The series connection circuit of the balance element 4 and the organic light emitting diode OLED 5 can still work (the other organic light emitting diode 0 LED elements can still emit light), so that a defect of the panel can be avoided. Furthermore, the phenomenon that cr0ss -1 a 1 k can also be improved when the above-mentioned balancing element 4 should be on the cathode or anode end of the passive organic light emitting diode. The descriptions are merely preferred embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention. That is, all equal changes and modifications made in accordance with the scope of patent application for the present invention are covered by the scope of patent for the present invention.

1231042 圖式簡單說明 【圖式簡單說.明】 第1圖，係習知主動式有機發光二極體面板之單一晝素架 構示意圖。 第2圖，係本發明之第一實施例主動式有機發光二極體面 板之單一畫素架構示意圖。 第3圖，係本發明之第二實施例示意圖。 第4圖，係本發明之第三實施例示意圖。 第5圆，係本發明之第四實施例示意圖。 第6圖，係本發明之第五實施例示意圖。 第7圖，係本發明之第六實施例示意圖。 【圖號說明】 畫素單元...................10 開關電晶體...................1 驅動電晶體........... 2 儲存元件........... 3 平衡元件...... 4 有機發光二極體.................5 資料線·.................7、3 0 選擇線..................6、4 0 電壓源.............. 8 閘極.....................11 汲極.....................12 源極............... 13 源極.....................2 11231042 Schematic description [Schematic description. Explanation] Figure 1 is a schematic diagram of a single daylight element structure of a conventional active organic light emitting diode panel. FIG. 2 is a schematic diagram of a single pixel structure of an active organic light emitting diode panel according to the first embodiment of the present invention. FIG. 3 is a schematic diagram of a second embodiment of the present invention. FIG. 4 is a schematic diagram of a third embodiment of the present invention. The fifth circle is a schematic diagram of the fourth embodiment of the present invention. Fig. 6 is a schematic diagram of a fifth embodiment of the present invention. Fig. 7 is a schematic diagram of a sixth embodiment of the present invention. [Illustration of drawing number] Pixel unit ................... 10 Switching transistor ......... 1 Drive transistor ........... 2 Storage element ........... 3 Balance element ... 4 Organic light-emitting diode ... ..... 5 data line .... 7, 3 0 selection line ......... ... 6, 4 0 Voltage source ......... 8 Gate ... 11 Drain ......... 12 Source ......... 13 Source ... ................twenty one

1231042 圖式簡單說明1231042 Schematic description

閘極..... 汲極..... 一端· · · · · 輸入端·· · · 輸出端· · · · 備援串接電路· 11·^Gate ..... Drain ..... One end ····· Input ··· · Output ··· · Backup series circuit · 11 · ^