TW200847123A - Image display system and method of eliminating mura defects - Google Patents
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200847123 九、發明說明: 【务明所屬之技術領域】 本發明係有關於一種 種消除顯示器广頁不糸統’特別有關於- 文缺fe(m此a defects)的方法。 【先前技術】 顯示器中各像素的驅動 膜镇腔π ^ + θ μ 動共否,乃由該等像素内的薄 艇溥㈣效電晶體TFT之導通與否 效電晶體TF丁的電子护,地约制 …、、而,溥胰琢 程的任tT此1值 生人‘程的精密度息息相關。製 枉的任何些微偏移都將 TFT的Μ㈣ 或少改變薄膜場效電晶體 TFT的电子4寸性。由於各200847123 IX. INSTRUCTIONS: [Technical field to which the present invention pertains] The present invention relates to a method for eliminating the wide-screen display of a display, which is particularly concerned with the absence of a defect. [Prior Art] The driving film of the pixels in the display is π ^ + θ μ, which is the electronic protection of the thin raft (4) effect transistor TFT in the pixels. The system of the land is about..., and the tT of the pancreas is closely related to the precision of the process. Any slight offset of the ruthenium will change the electron conductivity of the TFT Μ (4) or the TFT of the thin film field effect transistor. Due to each
很難擁有一致的 们=之㈣场效電晶體TFT ^ χ^ ,故顯不器所有像素的發光狀 况亚不一致。顯示器所顯 defects)。 、 〇里面运有县紋缺陷(mura 缺的解決方式為改變像素結構,直接將雲紋 、遞衣置加入像素電路中’其中包括一電壓驅動 (vo tage dnvmg)^^ . ^ ^ ^ t (cUrrent driving)It is difficult to have the same (4) field effect transistor TFT ^ χ ^, so the illuminating conditions of all the pixels of the display are inconsistent. The display shows defects). There is a county pattern defect in the 〇 (the solution to the lack of mura is to change the pixel structure, and directly add the moiré and the coating to the pixel circuit), including a voltage drive (vo tage dnvmg) ^^ . ^ ^ ^ t ( cUrrent driving)
Lt該電壓驅動方式中,每個像素至少需要5個薄 、❼a B日體TFT,亚且僅能補償上述薄膜場效電晶體 TFT之臨界電壓(Vth)所引起的雲紋缺陷。在該電流驅動 方式中母個像素至少需要4個薄膜場效電晶體ΤΗ , 亚且對低灰階值的補償能力並不好。這種改變像素結構 的解決方法通常需要較多的薄膜場效電晶體tft,不僅 影響像素的開π率(aperture rati。)、更不適合應用在高解 〇773-A32944TWF;P2007010;Glorious Tien 200847123 :度的顯不器上(例如2忖的qvga或更高的解析度)。 、統技術不僅影響像素的發光特性,亦會增加各像素的 面積。 已矣的技術為外部補償技術(externai :pensatiGn)。美國專利號u s· 6,9u,78ib2根據測試資 接調整像素之灰階值以補償雲紋缺陷。然而,U.S. 6,911,781B2並沒有提出新的技術來收集測試資料,亦沒 有提出補償雲紋缺陷時所依據的演算法。此外,U.S. 6’9",781B2需要極大的記憶體容量儲存測試結果。 少口此’我們需要—種新顆的方法以克服上述傳統技 【發明内容】 本發明提供一種影像顯示系統,其中不僅揭露-種 收集測試資料的方法,更揭露多種消除雲紋缺陷的濟管 t。本發明不僅不需要改變像素的結構,更不需要^ f思體空間。在消除φ纹姑卩々从 ^、+ 隹冷除农紋缺卩曰的同時,本發明所揭露的演 二法更可㈣時根據不同使用者或使料境的要求,針對 ^馬芬數(G_a⑽㈣、白點妓(white point)、以及 峰值免度(peak brlghtness)進行動態的調整,不若傳 術需要另行以額外流程對±述參數進行調整。 本發明所揭露的影像顯示系統包括:複數個像素、 =憶體、以及-專用集成電路。該記憶體乃用來儲存 _素各自的—補償參數組。該專耗成電路將 〇773-A32944TWF;P2007010;Glorious Tien 2UU847123 自該記憶體讀取上㈣纟 償參數組輪入古亥專用隹+ +貝,數組。各像素之雲紋補 能將為該像素的一兩妗## 忒專用集成電路之功 生。2數:„賞參數組乃由-參數產生器所產 件、一平均亮度量測ίΐ及一=㈣數個感測元 :;將分別感測上述像素之發光狀:並:::=元 將根據該平均亮度,把該等像 :別轉換成一亮度資料。該處理單元將以至少一個測試 二階值測試該等像素’並且根據上述測試灰階值與所對 應之亮度資料的_,絲各像素之上述雲紋補償參數 組0 在上述雲紋消除灰階值的驅動下,該影像顯示系統 之顯示器的雲紋缺陷將大大改善。 為瓖本發明之上述和其他目的、特徵、和優點能更 明顯易懂,下文特舉出較佳實施例,並配合所附圖式作 洋細說明。 【實施方式】 苐1圖為本發明之影像顯示系統的一實施方式。該 影像顯示系統的一像素矩陣1 〇2内包括複數個像素(圖中 0773-A32944TWF;P2007010;Glorious Tien 7 200847123 僅繪出一個像素104的詳細電路作說明)。該像素1〇4内 的薄膜電晶體經一掃描信號線scan導通後,一資料俨號 線data上的電壓值將寫入該像素1〇4。在此實施例;〜 該像素104為一 2T1C形式,此僅用來方便讀者了解本發 明,並非用來限定本發明範圍。任何其他結構的像素^ 可應用於本發明。 ' _相較於無雲紋補償的技術一將一影像晝面源1〇6所 輸出的灰階值信號108直接輸入一數位/類比轉換器 110’以產生一電壓值經由該資料信號線data輸入該像素 104—本發明之影像顯示系統更包括一記憶體112、以及 -專用集成電路(ASIQ114。該記憶體112内儲存上述像 素之雲紋補償參數組。該影像晝面源1Q6所輸出的灰階 值信號⑽在轉換成電壓值之前,將纽由該專用华成 電路m轉換為信號116。以像素1〇4為例,該專用集成 =:14自該記㈣112讀取該像幻Q4之雲紋補償參 t後1專賴成電路114之功能等效—雲紋補償函 1^4且你田玄Γ素1G4的—原始灰階值y。經該專用集成電路 盾Μ /,將轉換成H肖除灰階值ye,用以取代該 二π火!1白值y。輸入該數位/類比轉換器11〇。該雲紋消除 由該數位/類比轉換器ug轉換成電壓值,成 為驅動该像素104的信號。 该s己憶體112所儲存的带好、 ^ 產生器m所產生。該表數二㈣由-μ 該等像素的制元件⑽、—平生==包純數個對應 十均冗度置測器122、以及 0773-A32944TWF;P2007010;Glorious^Tien 8 200847123 處理卓元124。亨望片、目丨i -从 料,經由作味治, 件120將分別產生一感測資 126輸入該處理單元124。該等感測元件 陣列氺J何耦合元件⑽吻C〇UPled Device,CCD) 哭的、一电倍增管或電流計’其實施方式例如是:-掃描 殺·感光輕合元件(Charge coupled Device, mtf生的上迷感測資料為—相對灰階值,會受感 $㈣光程度影響。該等感測元件亦可由對應 數個電流感測器實現。此時,上述感測資 二’、’、3古、电級值。由於上述感測元件所產生的感測資料 :不疋冗度值’若要產生上述雲紋補償參數組,需要額 =行複雜轉換1此’本發明更提供該平均亮度量 =122 \置測該。等像素的一平均亮度128。基於該平均 ^ H 5亥處理早兀124將該等像素之感測資料分別轉 Ϊ成一:度資料(例如,單位為帅以省略傳統技術所 ^要的複雜轉換。 該平均亮度量測器122以市面上常見之亮 (_^輝f計),所量測到的平均亮度㈣值為LAVG。將 处感測貧料標示為G。隨著所採用的上述感測元件i 2 〇 之不同’上述感測資料G可為灰階值、光電子數目、或 :均電流值。各像素之感測資料G的平均值標示為 _。在—實施例中’―像素之亮度資料L的計算公式 為· L=LAVG · (G/GAVG)r /、中r為凋整係數,將根據感測元件所量測到 0773-A32944TWF;P2007010;Gl〇rious Tien 200847123 實際光強度之間的線性程度不同而有所差 感測資 異。 该處理單元124將至少以一個測試灰 素。根據_^ 將为析出該等像素之發光特性,並且產生各像素之上 述雲紋補償參數組。 ,、上 的2發明更以多種演算法描述測試灰階值與亮度資料 m袁二: 會產生不同的雲紋補償參數 、、^述專用集成電路的設計也隨著演算法改變。 ,—、、f 2圖之流程圖為產生上述雲紋補償參數組的-種 ^了’、:步驟S2G2首先以複數個測試灰階值測試該等像 ' X得到各像素於多種測試灰階值驅動下所產生的古 2Γ:Γ。4根據各像素的一迦馬參數γ設定其: n(例如,令㈣/γ)。基於步驟S202所得的測試結 丰力驟S204更以—曲線擬合(curve fitting)技術粗估各 ”的一灰階值-亮度關係,所採用的模擬函式如下: y a X +b.x +c.x+d。 (函式 1) 以任一像素為例,y為驅動該像素的灰階值,X為該 2素於灰階值y時所產生的亮度㈣,n為上述指數= 丈、。a、b、C、與d的值經由曲線擬合技術計算出來後, 將連同該指數參數n儲存於上述記憶體112,組成該像素 之上述雲紋補償參數組(步驟S2〇6)。 、,設所有像素之迦馬參數皆相同,則上述指數參數 n 為定值。以 QVGA(Quarter VGA,32〇x24〇xRGBW)為 0773-A32944TWF;P2007010;Glori〇usIn the voltage driving mode of Lt, at least five thin, ❼a B-day TFTs are required for each pixel, and only the moiré defects caused by the threshold voltage (Vth) of the above-mentioned thin film field effect transistor TFT can be compensated. In this current driving mode, at least four thin film field effect transistors are required for the mother pixel, and the compensation ability for low gray scale values is not good. This method of changing the pixel structure usually requires more thin film field effect transistor tft, which not only affects the pixel opening ratio (Aperture rati), but also is not suitable for high resolution 773-A32944TWF; P2007010; Glorious Tien 200847123: On the display of the degree (for example, 2忖 qvga or higher resolution). The system technology not only affects the light-emitting characteristics of the pixels, but also increases the area of each pixel. The proven technology is external compensation technology (externai: pensatiGn). U.S. Patent Nos. u s· 6, 9u, 78ib2 adjusts the gray scale value of the pixel according to the test to compensate for moiré defects. However, U.S. 6,911,781B2 did not propose new techniques to collect test data, nor did it propose algorithms to compensate for moiré defects. In addition, U.S. 6'9", 781B2 requires a very large memory capacity storage test result. There is a need for a new method to overcome the above conventional techniques. SUMMARY OF THE INVENTION The present invention provides an image display system in which not only a method of collecting test data but also a plurality of ways to eliminate moiré defects are disclosed. t. The invention not only does not need to change the structure of the pixel, but also does not require a space of thinking. While eliminating φ 纹 卩々 卩々 ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ (G_a (10) (4), white point (white point), and peak brlghtness are dynamically adjusted. If the transfer requires additional adjustment of the parameters, the image display system disclosed in the present invention includes: a plurality of pixels, a memory, and an ASIC. The memory is used to store the respective compensation parameter groups of the _ prime. The dedicated circuit is 〇773-A32944TWF; P2007010; Glorious Tien 2UU847123 from the memory Read the (four) compensation parameter group round into the ancient Hai special 隹 + + shell, array. The cloud pattern fill of each pixel will be the one or two 该## 忒 ASIC of the pixel. 2 number: „赏The parameter group is produced by the -parameter generator, an average luminance measurement, and a = (four) number of sensing elements:; respectively, the illuminating shape of the pixel is sensed: and ::::= the element will be based on the average brightness , put the image: don't convert it into a brightness data. The pixels will be tested with at least one test second-order value and the above-described moiré compensation parameter group 0 of each pixel of the filament is driven by the above-described moiré elimination gray scale value according to the above-mentioned test gray scale value and the corresponding luminance data _ The moiré defects of the display of the image display system will be greatly improved. The above and other objects, features, and advantages of the present invention will become more apparent and understood. [Embodiment] FIG. 1 is an embodiment of an image display system of the present invention. A pixel matrix 1 〇 2 of the image display system includes a plurality of pixels (0773-A32944TWF; P2007010; Glorious Tien 7 200847123 only draws a detailed circuit of one pixel 104 for explanation. After the thin film transistor in the pixel 1〇4 is turned on by a scanning signal line scan, the voltage value on a data line data will be written into the pixel. 1 〇 4. In this embodiment; ~ The pixel 104 is in the form of a 2T1C, which is only used to facilitate the reader's understanding of the invention, and is not intended to limit the scope of the invention. ^ can be applied to the present invention. ' _ Compared with the technique without moiré compensation, the gray scale value signal 108 outputted by an image source 1 〇 6 is directly input to a digital/analog converter 110 ′ to generate a voltage. The value is input to the pixel 104 via the data signal line data. The image display system of the present invention further includes a memory 112 and an application specific integrated circuit (ASIQ 114. The memory 112 stores a moiré compensation parameter set of the pixel. The gray scale value signal (10) outputted by the surface source 1Q6 is converted into a signal 116 by the dedicated Huacheng circuit m before being converted into a voltage value. Taking the pixel 1〇4 as an example, the dedicated integration=:14 reads the functional equivalent of the cloud-like compensation parameter t of the image-like Q4 from the record (four) 112, and the function is equivalent to the moiré compensation function 1^4. You Tian Xuanyu 1G4 - the original grayscale value y. The ASIC / will be converted to the H gradation value ye to replace the two π fire! 1 white value y. Enter the digit/analog converter 11〇. The moiré is converted into a voltage value by the digital/analog converter ug to become a signal for driving the pixel 104. The suffix 112 stores the good band, and the generator m is generated. The number of the table is two (four) by -μ the elements of the pixels (10), - the flat == package pure number of corresponding ten-average redundancy detector 122, and 0773-A32944TWF; P2007010; Glorious^Tien 8 200847123 processing Zhuo Yuan 124 . The winning piece, the target i-received, and the piece 120 will respectively generate a sensing component 126 to be input to the processing unit 124. The sensing element array 氺J coupling element (10) kiss C〇UPled Device, CCD) crying, an electric multiplier or galvanometer's embodiment is, for example: - scanning coupled light-sensitive components (Charge coupled device, The sensation data of mtf raw is - relative gray scale value, which will be affected by the degree of light of $ (four). The sensing elements can also be realized by a corresponding number of current sensors. At this time, the above-mentioned sensing resources are ' ', 3 ancient, electric level value. Due to the sensing data generated by the above sensing elements: no redundancy value 'If the above-mentioned moiré compensation parameter group is to be generated, the amount = line complex conversion 1 is required. The average brightness amount = 122 \ is measured. An average brightness of the pixels is 128. Based on the average, the sensing data of the pixels are converted into a degree data (for example, the unit is Shuai omits the complex conversion required by the traditional technology. The average brightness measuring device 122 is based on the common light on the market (the _^hui f), and the measured average brightness (four) is LAVG. The material is marked as G. As the above-mentioned sensing element i 2 is used The above sensing data G may be a gray scale value, a photoelectron number, or an average current value. The average value of the sensing data G of each pixel is indicated as _. In the embodiment - the calculation formula of the brightness data L of the pixel · L=LAVG · (G/GAVG)r /, medium r is the rounding coefficient, which will be measured according to the sensing component 0773-A32944TWF; P2007010; Gl〇rious Tien 200847123 The linearity between the actual light intensity is different The processing unit 124 will test the ash element by at least one. According to _^, the illuminating characteristics of the pixels are precipitated, and the above-mentioned moiré compensation parameter group of each pixel is generated. 2 The invention describes the gray scale value and brightness data by a variety of algorithms. m Yuan 2: Different moiré compensation parameters will be generated, and the design of the ASIC will also change with the algorithm. , —, , f 2 The flow chart is to generate the above-mentioned moiré compensation parameter group, and the step S2G2 first tests the image with the plurality of test gray scale values to obtain the ancient pixels generated by the various test gray scale values. 2Γ:Γ.4 According to each pixel of a ginseng γ sets it: n (for example, let (4) / γ). Based on the test junction abundance step S204 obtained in step S202, a curve-fitting technique is used to roughly estimate a gray-scale value-luminance relationship of each of The simulation function is as follows: ya X +bx +c.x+d (Function 1) Taking any pixel as an example, y is the grayscale value of the pixel, and X is the grayscale value y. The generated brightness (4), n is the above index = zhang, the values of a, b, C, and d are calculated by the curve fitting technique, and are stored in the memory 112 together with the index parameter n to constitute the pixel. The moiré compensation parameter group described above (step S2〇6). If the parameters of all the pixels are the same, then the index parameter n is a fixed value. QVGA (Quarter VGA, 32〇x24〇xRGBW) is 0773-A32944TWF; P2007010; Glori〇us
Tien 10 200847123Tien 10 200847123
=該記Jtum除了儲存上述指數參數 其大小為32〇x24〇x4C# R、P ^ 而陣歹J a、b、e、與d參數使用)。 ”(仏 此實施例中,該專用集成電路ιΐ4 製作。以驅動某一像辛為彳 、杈據U式1= In addition to storing the above index parameters, Jtum has a size of 32〇x24〇x4C# R, P ^ and the array J a, b, e, and d parameters are used). ” (仏 In this embodiment, the ASIC ΐ4 is made. To drive a certain image, 杈 杈, according to U
該記憶體⑴讀取:^二該專用集成電路…將由 以及η。特地設=專=之/^補償參數組HU 參數組a、b、e、d、J :路114接收上述雲紋補償 、壬产7 4 以及n後,運算動作將等效一带纹 補作函式組。該雲紋補償函式組包括: … Μ‘氣以及 、 yc=a.xen+b.Xe2+c.Xe+d。 1 式 2) y。為該像素的一原妗亦购# (函式3) y。的-預期亮度。函式2°將=、對應該原始灰階值 素的-峰值亮度L盘力期亮度Xe將滿足該像 將由該雲二函 階值yc。 …式2與3)轉換成-雲紋消除灰 第3圖以流程圖描述該專用集 像素的動作。該專用隼成命炊 焉動某一 从七,比杜· 成包路114於步驟S302接收一屑 =二步驟S3Q4以函式2求取該原始灰階值 ί e;於步驟s 3 0 6以n π # _ _ ,:對應的一雲紋消除灰階”。。在步驟二 該原始灰階值y。驅動該像=、,㈣除灰階值^以代替 函式2(測)將令本發明在消除顯示器雲紋缺陷的 〇773-A32944TWF;P2007010;Glori〇us^Tien 11 200847123 同時’更㈣時滿足各像素之迦馬參數γ以及♦值亮度 W。由於白點(white point)設定乃由各種顏色(紅色二ς =藍色)像素之♦值亮度所決定,故本影料統亦可輕 易地滿^使用者的白點設定。該專用集成電路ιΐ4 '上述迦馬參“以及峰值亮度Lpeak_設計輸出端, 令5亥顯不系統出廠後,使用者仍可自行改變其值。 〜〃第4圖之流程圖為產生上述雲紋補償參數組的另一 種演算法。步驟S402首先以複數個測試灰階值測試該等 像素,以得到各像素於多種賴灰階值驅動下所產生的 亮度資料。此演算法將—顯示器劃分為複數個區塊,各 個區塊依照其電子特性將擁有不同的指數參數η。步驟 4〇4根據各像素所在區域設定其指數參數η。基於步驟 S402所得的戦結果,㈣鳩以—曲、線擬合㈣^ _ng)技術粗估各像素的—灰階值亮度關係 模擬函數為: 的 y- 、 (函式4) 以任一像素為例,y為驅動該像素的灰階值,X為1 像素於灰階值y時所產生的亮度資料,n為該像素之指 參數。a、b、與c經由曲線擬合技術計算出來後,將連 同該指數參數n儲存於上述記憶體112,組成該像素之上 述雲紋補償參數組(步驟S408)。 ρ與函式1相較,函式4最大的不同在於指數參數^ 的選擇。分析一顯示器的發光特性,因為電源線上之歐 姆壓降的緣故,可發現位於電源線附近的像素會較亮。 0773-A32944TWF;P2007010;Gl〇rious_Tien ‘若能針對顯示器之不^j 參數值,將能更準確地估計^备光特性選擇適當的指數 並且降低模擬函式的複雜;::素之灰階值-亮度關係, 只需計算a、b、與。三個^函式4較函式1精簡, 的位元組數目也會下降。〃,同時儲存每一參數所需 種设定各區域之指 述區塊中採樣,·計曾所為硬數個區塊;於上 以估計各區塊的―;均:數:數素姆數, 蒼數為所對應之區塊的上述指數參數。7 &平均指數 W^QVGA(QUaner VGA,3胸4GXRGBW)為例,此 貝施方式之記憶體112將儲存各 ^例, a:—WR、G、B、二數二: 相較,此實施例節省大量記《”。 1A方式 必須式4的實施方式中,該專用集成電路⑴ 、乂據1¾式4製作。以驅動某一像辛 Γ將由該記憶體112讀取該像素之雲^補^ 接收上;V:、以及n。此特殊設計的專用集成電路114 接^述雲紋補償參數組a、b、c、以及η後,其運算動 作等效雲紋補,償函式組。該雲紋補償函式組包括: = L ί 少。) ,255 y n以及 /ΊΑ。 (函式 5) y。為該像素的一原始灰階值。Xe為對應該原始灰階 0773-A32944TWF;P2007010;Gl〇ri〇uS_Tien 13 ^UU847123 值y。的—預期亮度。χ 組如與紋補償函式 像素的動I 乂机私圖^田述該專用集成電路114驅動苹-=的動作。該專用集成電路ιΐ4 ,某 始灰階值y。,·於步驟S504以函式2 ‘二f收—原 轉換為一 口式2將该原始灰階值y。 勹預期冗度Xe;於步驟S506以函式 度xe轉換為—带紋、、# w式5將δ亥預期凴 用集成電路114將輪步驟_中,該專 原始㈣值η驅動=树階值…代替該 缺陷的W丨ί2(S304)將令本發明在消除顯示器雲紋 亮更能同時滿足該顯示器之迦馬參數γ、峰值 peak人白點(Whlte p〇im)設定 更可為上述迦馬參數7以及峰值專用路114 端,令該顯示系統出廢後,使用者設計輸出 忧用考仍自仃可改變其值。 弟6圖之流程圖為產生上述雲紋 種演算法。步驟S6〇 1貝> 數、、且的另一 像素,以尸I 數個測試灰階值測試該等 袁产資料V: 多種測試灰階值驅動下所產生的 成:度=:在步驟S6G4中,上述亮度資料將 成一所需灰階值: 专% 少,·The memory (1) reads: ^2 the ASIC... will be and η. Specially set = special = / ^ compensation parameter group HU parameter group a, b, e, d, J: After the road 114 receives the above moiré compensation, the production of 7 4 and n, the operation will be equivalent to a band complement function group. The moiré compensation function group includes: ... Μ ‘ gas and yc=a.xen+b.Xe2+c.Xe+d. 1 Equation 2) y. For the original of this pixel, I also purchased # (Function 3) y. - expected brightness. The function 2° will =, corresponding to the original gray scale value - peak brightness L disk force period brightness Xe will satisfy the image will be the cloud two order value yc. Equations 2 and 3) Convert to - Moiré Elimination Gray Figure 3 depicts the action of the dedicated set of pixels in a flowchart. The special 隼 隼 某一 某一 某一 某一 从 从 , , 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收n π # _ _ ,: corresponding to a moiré elimination gray scale". In step 2 the original gray scale value y. Drive the image =,, (4) in addition to the gray scale value ^ instead of the function 2 (measurement) will make this Invented in the elimination of display moiré defects 〇773-A32944TWF; P2007010; Glori〇us^Tien 11 200847123 at the same time 'more (four) meet the gama parameter γ of each pixel and ♦ value brightness W. Because the white point (white point) is set It is determined by the brightness of the ♦ value of each color (red ς = blue) pixel, so the shadow system can also easily be set to the user's white point setting. The ASIC ιΐ4 'the above ginseng ginseng' and the peak value The brightness of the Lpeak_ design output, so that the 5 Hai display system, the user can still change the value of the user. The flowchart of Fig. 4 is another algorithm for generating the above moiré compensation parameter set. Step S402 first tests the pixels with a plurality of test gray scale values to obtain luminance data generated by each pixel driven by a plurality of gray scale values. This algorithm divides the display into a plurality of blocks, each of which will have a different index parameter η according to its electronic characteristics. Step 4〇4 sets its exponential parameter η according to the area where each pixel is located. Based on the 戦 result obtained in step S402, (4) 粗 —-, line fitting (four) ^ _ng) technology rough estimation of each pixel - gray scale value brightness relationship simulation function is: y-, (function 4) in any pixel For example, y is the grayscale value that drives the pixel, X is the luminance data generated when 1 pixel is at the grayscale value y, and n is the finger parameter of the pixel. After a, b, and c are calculated by the curve fitting technique, the index parameter n is stored in the memory 112 to form the moiré compensation parameter group of the pixel (step S408). When ρ is compared with function 1, the biggest difference of function 4 is the choice of the exponent parameter ^. Analyzing the illuminance characteristics of a display, it is found that the pixels located near the power line are brighter because of the ohmic drop on the power line. 0773-A32944TWF;P2007010;Gl〇rious_Tien 'If the parameter value of the display is not correct, it will be able to estimate the proper light characteristics more accurately and select the appropriate index and reduce the complexity of the analog function;:: Gray scale value of the prime - Brightness relationship, just calculate a, b, and. The three ^ functions 4 are reduced compared to the function 1, and the number of bytes is also reduced. 〃, at the same time storing each parameter required to set the sampling in the reference block of each area, counted as a hard number of blocks; above to estimate the "-" of each block: number: number of primes , the number of the number is the above index parameter of the corresponding block. 7 & average index W^QVGA (QUaner VGA, 3 chest 4GXRGBW) as an example, this Beth mode memory 112 will store each case, a: - WR, G, B, two two: Compared, this The embodiment saves a large amount of "". In the embodiment of the method of Equation 4, the ASIC (1) is fabricated according to Equation 4 to drive a cloud that reads the pixel from the memory 112. Replenishment ^ Received; V:, and n. This specially designed ASIC 114 is connected to the moiré compensation parameter set a, b, c, and η, and its operation action is equivalent to the moiré complement, the compensation function group The moiré compensation function group includes: = L ί less.) , 255 yn and /ΊΑ (Function 5) y is an original grayscale value of the pixel. Xe is the corresponding grayscale 0773-A32944TWF ; P2007010; Gl〇ri〇uS_Tien 13 ^UU847123 The value of y. - the expected brightness. χ Group, such as the motion compensation function pixel of the mobile I 私 private map ^ Tian said the ASIC 114 to drive the Ping-= action. The ASIC ιΐ4, a gray scale value y., is converted to a one-step 2 in step S504 by the function 2 'two f The value y is the expected redundancy Xe; in step S506, the function xe is converted into a band, and the #w is 5, which is expected to be used by the integrated circuit 114 to drive the wheel step _, which is driven by the original (four) value η = Tree value... In place of the defect, W丨ί2 (S304) will make the invention more capable of satisfying the display of the Gamma parameter γ and the peak peak white point (Whlte p〇im) setting. For the above-mentioned Gamma parameter 7 and the peak dedicated road 114 end, after the display system is depleted, the user can change the value by designing the output worry test. The flow chart of the brother 6 is to generate the above-mentioned moiré algorithm. Step S6〇1Bei>The other pixel of the number, and the number of test gray scale values of the corpse I test the data of the Yuan products V: the test results generated by various test gray scale values: degree =: In step S6G4, the brightness data will be a desired gray level value:
L •255 f peak 函 # , (函式6) …二述亮度資料,h代表該所需灰階值。 式6將確保本系統滿足各像素的—峰值亮度‘與一 0773.A32944TWF;P2007010;Gl〇ri〇us Tien 14 200847123 =馬麥數γ。錢理單元124於s 將上34灰階值差關存於該記憶體 险值差灰階值所對應的上述灰 ^ < 1豕常之上述雲紋補償參數組。 假口又此戶'施例共採用^個 QVGA(Quarter vGA,乃 人丨白值以 112可兔μ GBW)為例,該記憶體L • 255 f peak function # , (Function 6) ... two brightness data, h represents the required gray level value. Equation 6 will ensure that the system satisfies the -peak brightness of each pixel' with a 0773.A32944TWF; P2007010; Gl〇ri〇us Tien 14 200847123 = Mamai number γ. The money management unit 124 stores the upper 34 gray scale value difference in the above-mentioned gamma compensation parameter group corresponding to the gray value of the memory risk value difference. The fake mouth and this household's example use a total of QVGA (Quarter vGA, which is the human white value of 112 rabbit μ GBW) as an example, the memory
了為m個陣列’其大小皆為32Gx24G 以及W像素使用)。 、此實施例中,該專用集成電路114必須 器(或減法器)。以驅動苹一彳n 、 / 、”直田隹二 $像素為例,第7圖以流程圖描 =亥專用术成電路114的動作。該專 步驟S702接收一屌妒方p比枯.从μ % 於步驟S704判斷該原始 灰F白值的大小;並且於步驟S7〇6選擇近 的測試灰階值,以苴所對廡夕,、+、> 了口义丨白值 始繼,以計算階值差距補償該原 值將代替該原始灰階值驅動該像素。 肖&又^ 與土述其他實施方式相較,此實施方式在計算上述 雲紋補償減㈣即考慮各料之迦馬參數丫與峰值真 度Lpeak。 儿 然而’在顯示器之雲紋缺陷不甚嚴重的狀況下,為 了更節省記憶體的使用空間,本發明更提出另一種渖曾 法。第8圖為其產生上述雲紋補償參數組的流程圖^ 驟漏僅以-個測試灰階值測試該等像素。該等像素對 0773-A32944TWF;P2007010;Glorious Tien 200847123 ==值的亮度資料將於步驟ss〇4中分別轉換成 Λ Λ/ L peak 255 甘Λ 4 (函式6) 7ί /、’ Xt為上述亮度資料,h代表該所需灰階值。 «式6將確保本“滿足各像素的 迦馬參數γ。該處理單元124脾#丰值儿度Lpeak與一 ,斤 早兀124將於步驟S806針對各傻专 计异該測試灰階值與所需灰階值&之間的—灰階值差 距,亚且於步驟S808將複數個比重參數與上述灰階值差 距儲存於該記憶體112。以竿 白值差 呆像素為例,該測試灰階值 所對應的上述灰階值差距與該等比重參數即 述雲紋補償參數組。 以 由於此實施例僅採用—個測試灰階值。 了er VGA ’ 320鲁Rgbw)為例,該記憶篮 除了需要儲存該等比重參數外,僅需要—陣列空間 咖⑽叫供R、G、B、以及w像素使用)。與第6圖所 描述的實施例相較,本實施例將大大降低該記憶體ιΐ2 的空間需求量。 此實施例中,該專用集成電路114亦包括一加法器 (或減法器)。以驅動某一像素為例,帛9圖以流程圖描述 该專用集成電路114的動作。該專用集成電路ιΐ4於步 驟S902接收-原始灰階值;於步驟S9〇4判斷該原始灰 階值的大小;於步驟S906根據該原始灰階值之大小選擇 合適的比重參數,並且將該比重參數乘以上述灰階值差 〇773-A32944TWF;P2007010;Glorious_Tien 16 200847123 比重灰階值差距。該專用集成電路114將於 Γ 8以該比重灰階值差距補償該原始灰階值,以計 文:除灰階值。該雲紋消除灰階值將代替該原 始灰卩0值驅動該像素。 感測元第Γ圖為本發明之流程圖。步驟Si_提供複數個 二❹广欠料刀Γ對應一顯示器的複數個像素,各自產生 根度。步驟si_提供-處理單元, 亮度;料::ΐ ’將該等像素之感測資料分別轉換成- 像^二丨驟S1008以至少一個測試灰階值測試該等 '、,亚且根據上述測試灰階值與 關係,推估夂德妄从1野奶又冗度貝枓的 上償參數組。_31_將 據;員Γ㈣於一記憶體中。步驟_根 法十告一 ^田^上14 #紋補償參數組時所採用的演算 體读:: 集成電路。該專用集成電路將自該記悻 ,取上迭雲紋補償參數組,並且分別 ? =紋補償參數組心成—雲紋 組述二 =組將轉換所對應之像素的-原始灰階 〆为除灰階值。步驟S 1 〇 1 4监V , '、在、、文 上述像素。 4將以上述雲㈣除灰階值驅動 同類型的Χ像月γ广像素除了為同類型像素外、亦可為不 紅色Γ二:Γ::彩顯示器,上述像素可以分類: 揭取的測試資料為「亮^多,型。由於本發明所 儿度貝枓」,故不需要針對像素的 〇773-A32944TWF;P20〇7〇i〇;Gl〇ri nous^Tien 17 200847123 顏色另行發展補償動作即可輕易地改善全 紋缺陷。 。 第丨:圖圖解—電子裝置6〇。,其中包括一像 =、-顯…板1104、以及—輸入單元㈣ 素矩陣1102可為一 士 “ a + 1冢 /Λ . Λ, 為主動式有機電激發光顯示哭 (切―X 0rganic Light Em : :释該輸入單元1106輕接該顯示器面板二, 以接仏以該顯示器面板11()4顯示㈣ 本,明所欲保護的範圍包括該顯示器面板㈣,本 4所θ及之像素可組成該像素矩陣m =記《與專用集成電路為該顯___ 1100。㈣耗圍更包括該電子裝置 们人:厂衣置1100可為一行動電話、-數位相機、 -個人數位助理(PDA)、—行 電視機、—汽車 杲上、一 旱用,„、員不态、或一可攜式光碟撥放器。 本舍明雖以較佳實施例揭露如上U並非用 定本發明的範圍,任何孰***均亮度; 1102〜像素矩陣; 1106〜輸入單元; 118〜參數產生器; 122〜平均亮度量測器; 126〜感測資料之傳輸線 1100〜電子裝置; 1104〜顯示器面板; data〜資料信號線; S202〜收集複數_試灰階值下,複數個像素所 的亮度資料; “ /2〇4〜'又疋一指數參數n,並且以y=a.xn+b.x2+c.x+d =上述像素之灰階值(3〇_亮度00關係,求其a、b、c、 將n a、b、c、與d視為上述像素之雲紋補 芩數組,並且儲存於一記憶體; S302〜接收一原始灰階值y。;For m arrays, the size is 32Gx24G and W pixels are used. In this embodiment, the application specific integrated circuit 114 is a must (or a subtractor). Taking the driving of 彳一彳, /, "直田隹二$ pixels as an example, the seventh diagram is a flow chart depicting the action of the circuit 114. The special step S702 receives a square p ratio. % determines the size of the original gray F white value in step S704; and selects the near test grayscale value in step S7〇6, so that the meaning of the original white, +, > Calculating the step difference compensation The original value will replace the original gray level value to drive the pixel. Xiao & and ^ compared with other embodiments of the soil, this embodiment calculates the above-mentioned moiré compensation minus (four) The horse parameter 丫 and the peak truth degree Lpeak. However, in the case where the moiré defect of the display is not serious, in order to save more space for the memory, the present invention proposes another method of 渖 法. The flow chart of the above-mentioned moiré compensation parameter group is only tested by a test gray scale value. The luminance data of the pixel pair 0773-A32944TWF; P2007010; Glorious Tien 200847123 == value will be step ss〇4 Converted to Λ Λ / L peak 255 甘Λ 4 (Function 6) 7ί /, respectively 'Xt is the above luminance data, and h is the required grayscale value. «Formula 6 will ensure that this "satisfies the Gamma parameter γ of each pixel. The processing unit 124 spleen #丰值儿度Lpeak and one, 斤早兀124 will be in step S806 for each silly different test the grayscale value and the required grayscale value & - grayscale value difference, And in step S808, a plurality of specific gravity parameters and the grayscale value difference are stored in the memory 112. Taking the 值 white value difference as an example, the gray scale value difference corresponding to the test gray scale value and the specific gravity parameter are the moiré compensation parameter group. Since only one test gray scale value is used for this embodiment. For example, er VGA ’ 320 Rgbw), in addition to storing the specific gravity parameters, the memory basket only needs to be used—the array space coffee (10) is called for R, G, B, and w pixels). Compared with the embodiment described in Fig. 6, this embodiment will greatly reduce the space requirement of the memory ι2. In this embodiment, the application specific integrated circuit 114 also includes an adder (or subtractor). Taking a certain pixel as an example, the operation of the ASIC 114 is described by a flowchart. The ASIC 4 receives the original grayscale value in step S902; determines the size of the original grayscale value in step S9〇4; selects an appropriate specific gravity parameter according to the size of the original grayscale value in step S906, and the specific gravity The parameter is multiplied by the above gray scale value difference 〇 773-A32944TWF; P2007010; Glorious_Tien 16 200847123 specific gravity gray value difference. The ASIC 114 will compensate the original grayscale value by 比重8 with the specific grayscale value difference to calculate the grayscale value. The moiré elimination gray scale value will drive the pixel instead of the original ash 卩0 value. The sensing element is a flow chart of the present invention. Step Si_ provides a plurality of pixels corresponding to a display, each of which generates a root. Step si_provide-processing unit, brightness; material:: ΐ 'the sensing data of the pixels are respectively converted into - like the second step S1008 to test the at least one test gray scale value, and according to the above Test the grayscale values and relationships, and estimate the set of compensation parameters of the 野德妄 from 1 wild milk and verbose Bellow. _31_ will be according to; member Γ (four) in a memory. Step _ root method ten report one ^ field ^ on the 14 #纹 compensation parameter group used in the calculation of body reading:: integrated circuit. The ASIC will take the overlay moiré compensation parameter set from the record, and respectively? = Grain compensation parameter group heart - cloud pattern Group 2 = group will convert the corresponding pixel - the original gray level 〆 is the gray level value. Step S 1 〇 1 4 monitor V, ', in, and text. 4 will use the above cloud (four) in addition to the gray level value to drive the same type of Χ 月 γ wide pixels in addition to the same type of pixels, can also be not red Γ two: Γ:: color display, the above pixels can be classified: The data is "bright ^ multi, type. Because of the invention, the 枓 - 773-A32944TWF; P20〇7〇i〇; Gl〇ri nous^Tien 17 200847123 color separately developed compensation action The full grain defect can be easily improved. . Dijon: Diagram Diagram - Electronic Device 6〇. , including an image =, - display board 1104, and - input unit (four) prime matrix 1102 can be a single "a + 1 冢 / Λ. Λ, for the active organic electroluminescence display cry (cut - X 0rganic Light Em : : The input unit 1106 is lightly connected to the display panel 2, and then displayed by the display panel 11 () 4 (4), the range to be protected includes the display panel (4), the 4 θ and the pixels can be Forming the pixel matrix m = "with the ASIC for the display ___ 1100. (4) The consumption includes the electronic device: the factory clothing set 1100 can be a mobile phone, - digital camera, - personal digital assistant (PDA) ), - a television set, a car, a dry, „, a member of the disc, or a portable disc player. Although the present invention is disclosed in the preferred embodiment, U is not intended to limit the scope of the invention. , in the spirit and scope of any bad habits, and when; the second = 'without the scope of protection of the invention, the second move and retouching' is therefore the standard. (4) The scope of the patent scope defined in the post-attachment of the Tianshi is [Figure Simple description] The figure is the implementation of the image display system of the present invention The second diagram is a flow chart describing the generation of the above-mentioned moiré compensation parameter group: 773-A32944TWF; P2〇〇7〇10; G1〇ri〇us^Tien 200847123; algorithm: 隹成+第图图The figure describes how the dedicated wood-forming circuit corresponding to the algorithm of FIG. 2 drives a pixel-a type of figure. The figure 5 is generated by a flow chart to generate another layer 5 of the above-mentioned moiré compensation parameter group. How does the dedicated commercial circuit corresponding to the algorithm drive a pixel; the other figure 6 of the pattern compensation parameter group uses the flow chart description to generate an algorithm of the above cloud; the sixth method (4) the other brother of the special pattern compensation parameter group 8 is a flowchart description of generating an algorithm of the above cloud; β is used in FIG. 9 to describe a circuit of the algorithm corresponding to the algorithm of FIG. 8 to drive a pixel; FIG. 10 is an embodiment of the present invention; Flowchart; and brother 11 is an embodiment of the present invention. [Description of main components] 104~pixels; 102~pixel matrix; 106~image source; 10·)~original grayscale value; 110~digits/ Analog converter; 112~memory; 114~ ASIC (asic); Π6~ moiré elimination grayscale value (&);0773-A32944TWF;P2007010; Glorious Tien 19 200847123 120~ plural sensing elements; 124~ processing unit; 128~ average brightness; Pixel matrix; 1106~ input unit; 118~ parameter generator; 122~ average brightness measuring device; 126~ sensing data transmission line 1100~ electronic device; 1104~ display panel; data~ data signal line; S202~ collecting complex number _ Under the gray scale value, the brightness data of a plurality of pixels; " /2 〇 4 ~ ' and an exponential parameter n, and y = a. xn + b. x 2 + c. x + d = gray of the above pixels The order value (3〇_brightness 00 relationship, find a, b, c, treat na, b, c, and d as the cloud moiré array of the above pixel, and store it in a memory; S302~ receive a primitive Gray scale value y. ;
S304〜以〜=Z~ U55」脸4店以士 · 將5亥原始灰階值y〇轉換為一預 /刀 7C 履· Xe, S 3 0 0〜y =只· γ η 木 l 2 治〜i e e c,Xe+d將該預期亮度xe轉換 為一雲紋消除灰階值; 、 S308輪出该雲紋消除灰階值^以驅動該像素; 的亮集複數個職灰階值下,複數個像素所產生 指數Γ#Γ;根據上述像素於顯示器之位置,判斷該像素之 、y a X +b X+c模擬上述像素之灰階值(y)_亮 0773-A32944TWF;P20070l0;Gi〇ri⑽ - ζϋ 200847123 度(χ)關係’求其a、b、與c ; S408〜將 n、a、b、盥 數组,並且縣a ,、視為上24像素之f紋補償參 工兑储存於一記憶體; S502〜接收一原始灰階值丫。; ^ ^LPeak 將該原始灰階值y。轉換為-預 S504〜以 期亮度xe ; f S506 以 ye =a.Xen+b Xe + c 將該預期 雲紋消除灰階值yc ; 又心轉換為一 ⑽輸U雲紋消除灰階值%以 的亮=:,個測試灰階值下’複數個二生 \L peak \Κ .255 將上述亮度資料Χί分別轉換成 S 604〜以 一所需灰階值yi_ ; S606〜求上述測試灰階值與所對 之間的一灰階值差距; 汀而灰^值yr S608〜將上述灰階值差距儲 一 爆接收一原始灰階值; L體, S704〜判斷該原始灰階值的大小; 進〜轉近㈣原始灰階值的氧灰階值,以其所 %、之上述灰階值差距補償該原始灰階值,管—兩 紋消除灰階值; # = 亮度集一個測試灰階值下,複數個像素所產生的 0773~A32944TWF;P2007010;Gl〇ri〇us L^ien 21 200847123S304~~=============================================================================================================== ~ieec, Xe+d converts the expected brightness xe into a moiré elimination grayscale value; S308 rotates the moiré to eliminate the grayscale value ^ to drive the pixel; the bright set of the plurality of occupational grayscale values, the plural The index generated by the pixel Γ#Γ; according to the position of the pixel on the display, it is determined that the pixel, ya X +b X+c simulates the gray level value of the pixel (y)_亮0773-A32944TWF; P20070l0; Gi〇ri(10) - ζϋ 200847123 degrees (χ) relationship 'seeking a, b, and c; S408 ~ will be n, a, b, 盥 array, and county a, as the upper 24 pixels f-grain compensation arbitrage stored in a memory; S502~ receives an original grayscale value 丫. ; ^ ^LPeak will be the original grayscale value y. Converted to - pre-S504 ~ with a period of brightness xe; f S506 with ye = a.Xen + b Xe + c to eliminate the gray scale value yc of the expected moiré; and convert the heart to a (10) input U moiré elimination gray scale value % Bright =:, under the test gray scale value, 'plural number of two students \L peak \Κ .255 convert the above brightness data Χί to S 604~ to a required gray scale value yi_; S606~ to the above test gray scale The difference between the value and the pair of gray scale values; the ting and the gray value yr S608~ the above gray scale value gap is stored to receive an original gray scale value; L body, S704~ determine the size of the original gray scale value ; into the ~ (n) the original grayscale value of the oxygen grayscale value, with the %, the above grayscale value gap to compensate the original grayscale value, tube - two lines to eliminate the grayscale value; # = brightness set a test gray Under the order value, 0773~A32944TWF generated by a plurality of pixels; P2007010; Gl〇ri〇us L^ien 21 200847123
yL \ peak JyL \ peak J
K S804〜以 .255 將上述免度資料Xt分別轉換成 一所需灰階值h f寻換成 S806針對各像素計算該測試灰階值與所 之間的一灰階值差距; 丨白值YrK S804~ converts the above-mentioned exempt data Xt into a required gray scale value h f, respectively, and converts it into S806, and calculates a grayscale value gap between the test gray scale value and each pixel for each pixel; 丨 white value Yr
S808〜將福备柄L 旻數個比重麥數與上述灰階值差距儲存 一記憶體; 仔 S902〜接收_原始灰階值; S904〜判斷該原始灰階值的大小; 〜根據該原始灰階值之大小選擇合適的比重表 數’亚且將該比重參數乘以上述灰階值差距 重灰階值差距; —S908以„亥比重灰階值差距補償該原始灰階值,以 算上述雲紋消除灰階值; S1002〜擷取各像素的感測資料; S1004〜量測該等像素的一平均亮度; S1006〜根據料均亮度,將各像素 為亮度資料; ^ S1008〜根㈣試灰階值與亮度資料的_,推估各 像素之發储性,並且輸出各像素的纽補償參數組; S1010〜將上述雲紋補償參數組儲存於—記憶體,· 狄、S1012〜根據產生上述雲紋補償參數組時所採用的演 异法’ 5又计-專用集成電路,用以與該記憶體所儲存的 雲紋補償參數組組合成上述像素各自的—雲紋補償函式 〇773-A32944TWF;P2007010;Glorious Tien 22 200847123 組,以轉換一原始灰階值為一雲紋消除灰階值; S1004〜以上述雲紋消除灰階值驅動上述像素; scan〜掃描信號線。 0773-A32944TWF;P2007010;Glorious_Tien 23S808~ store the memory of the stalks L 旻 a plurality of specific gravity and the gray scale value to store a memory; S902~receive _ original grayscale value; S904~ determine the size of the original grayscale value; The size of the order value is selected by the appropriate number of gravitational tables, and the specific gravity parameter is multiplied by the grayscale value difference of the above grayscale value gap; -S908 compensates the original grayscale value by the difference of the gray specific gravity value of the sea, to calculate the above Moire elimination gray scale value; S1002~ captures the sensing data of each pixel; S1004~ measures an average brightness of the pixels; S1006~ according to the uniform brightness of the material, each pixel is brightness data; ^ S1008~root (four) test The gray level value and the brightness data _, estimate the storage of each pixel, and output the button compensation parameter group of each pixel; S1010~ store the above moiré compensation parameter group in the memory, · Di, S1012~ according to the generation The above-mentioned moiré compensation parameter group uses a differentiating method, which is used to combine with the moiré compensation parameter group stored in the memory to form the respective moiré compensation function 〇 773 -A32944TWF;P2007010; Glorious Tien 22 200847123 group, to convert a raw grayscale value to a moiré elimination grayscale value; S1004~ to drive the above pixel with the above moiré elimination grayscale value; scan~ scan signal line. 0773-A32944TWF; P2007010; Glorious_Tien 23
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