TW541513B - DAC driver circuit with pixel resetting means and color electro-optic display device and system incorporating same - Google Patents
DAC driver circuit with pixel resetting means and color electro-optic display device and system incorporating same Download PDFInfo
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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
- G09G3/2007—Display of intermediate tones
- G09G3/2011—Display of intermediate tones by amplitude modulation
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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
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
- H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0235—Field-sequential colour display
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0259—Details of the generation of driving signals with use of an analog or digital ramp generator in the column driver or in the pixel circuit
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
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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
- G09G2310/00—Command of the display device
- G09G2310/06—Details of flat display driving waveforms
- G09G2310/066—Waveforms comprising a gently increasing or decreasing portion, e.g. ramp
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
- H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
- H04N2005/745—Control circuits therefor
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Description
541513 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(1 本發明係關於一驅動電路,如定義於申請專利範圍第”頁 之前文中的。 本發明更關於一使用此驅動電路的光電顯示裝置。 彩色顯示系統是已知的,而不同顏色的光棒連續地捲動 通過一單一的光電光調制器面板以產生一彩色的顯示。例 如,見一般指定的美國專利5,532,763,在此併入參考。 此顯示系統特別適合用於以安排在連續畫面中之連續地 更新影像訊息信號的形式顯示彩色訊息,像彩色視頻訊息 ’其中每-畫面由合成的子畫面所組成,例如,紅色,綠 色和藍色子畫面。 这些系統使用-由-像素之列和行矩陣陣列所組成的光 電光碉制n,用以根據此影像訊息信號調制光在連續的畫 面週期期^。此信號訊息應用於此陣列之像素列的一直線 在每—畫面週期期間的一時間。此—矩陣陣列最好是”主 動的’:,#即,每一像素經由-主動切換元件連接至此陣 列’爲了預防像素間的串擾。 一因二在:,原色系統中訊息的每—子畫面必須被提出在 逹率光:光凋制杂的畫面上在-畫面週期間,此提出的 逮率比一三畫面系統的速率快三倍。 用 S夕上的反射王動矩陣液晶顯示器(AMLCD)使 扭轉向列狀(TN)之效應的液晶和電晶體當作主 牛,是較佳的光電光調制器。此-反射裝置可以 電柄ί =的像素’由於此配線和開關可以整合在此反射 下面的石夕基板上。此外,此―裝置可以引述在-比先 ^^適用 χ 297公釐) — 1^--------裝--------訂-------- (請先閱讀背面之注意事項再填寫本頁) -4- 541513 A7 五、發明說明(2 ) 經濟部智慧財產局員工消費合作社印製 前的透射裝置遠高的速率。 然而,此TN LC材料的最快反應時間(要求驅動此lc材料 至黑狀態的時間)是在1〇〇微秒的數量級,而爲了定位一列 僅是5微秒。此外,此像素電容隨外加電壓和時間二者而 變。 結果,此顯示數據傳輸的精確度和此先前儲存資訊之剩 餘狀態有關。此意味-特別顏色的明亮度與先前顏色的明 亮度有關。二維的查閱表目前用以提供修正質給新信號, 爲了避免此色彩的人造品。 在公開的專利書W0 96/00479中,此在一單_面板色彩連 續投影機中的-TN液晶材料之反應時間慢和隨電壓改變之 像素電容的問Μ用一具有較快反應_,和具有會際上盥 電壓無關之電容的光電材料來代替,像—鐵電液晶材二/、 然而,鐵電液晶材料和類似的光電材料具有一記憶效 。因此,、wo 96/00479敎導—”空白脈衝,,的使用^即 一輔助仏號,以在每一帶有顯示數據之新定址之前重置 像素。此一空白脈衝外加於此線選擇週期之某部分期間, 在此h況中經由不是此列電極就是此行電極與—參考電極 結合:其中像二極體的二端子裝置用作此主動矩陣切:- 件,或經由一共反電極在此情況中,像TFTS的三端子裝 用作此主動矩陣切換元件0 此一設計需要分離的裝置用以產生重置信號,不是直接 地就是如同一輔助電壓和一參考電壓結合經由一分離= 考私極組。此電路裝置並不輕易地結合於驅動電路中、 應 此 元 置 參 其 II: ΦΦΜ--------^--------00 (請先閱讀背面之注意事項再填寫本頁〕 本紙張尺錢财國準(CNS)A4規格⑽x 297公髮) 541513 A7 ^--------- B7__ 五、發明說明(3 ) 被叹计以轉換進來的數位資訊信號(例如,數位電視信號或 電腦顯示信號)成爲類比信號適合驅動此顯示器。 因此,本發明的一目的在於提供驅動電路以驅動一光電 顯不裝置’其中此造成自此光電材料之剩餘物狀態的色彩 人造品被降低或消除而不必使用數據信號的修正基於來自 ㈤面走址數據信號之像素的剩餘物狀態,且不需要使用產 生一重置信號的分離裝置。 本發明的另一目的在於提供一光電顯示裝置結合此驅動 電路。 本备明還有另一目的在於提供一彩色顯示系統結合此一 光電顯示裝置。 這些目的被根據本發明定義於申請專利範圍第丨項的驅動 %路所完成。 本喪明更多有利的具體裝置定義於相關的申請專利範圍 中。 經濟部智慧財產局員工消費合作社印製 二根據本發明,在一光電顯示裝置中產生自前面定址數據 信號之像素的剩餘物狀態的色彩人造品實際上藉由提供一 DAC驅動器電路的裝置用以重置此像素至一先於定址此下 一數據信號組之預定狀態來降低或消除。 最好,此重置信號由一通用斜面產生器所驅動並在用下 一組數據信號定址之前外加於選擇的像素。 取好’此來自於類比斜面產生器的重置脈衝在此斜面產 生之前外加於選擇的像素,而此選擇用來重置的像素是預 先的在來自於被選擇用以定址之像素的定址序列中。 -6 - 經濟部智慧財產局員工消費合作社印製 541513 Α7 __Β7 五、發明說明(4 ) 例如’在一具有N列像素的顯示裝置中,其中此控制電路 被没足以選擇列η用於定址和列πι用於重置,其中m是來自 於列η之如的1至1 〇列’例如,m=η+8。 根據本發明的一較佳具體裝置,此控制電路被設定以選 擇用於定址的列在以下的序列中:η,η+1/3Ν,Π+2/3Ν, η+1 ’ η+1/3Ν+1,η+2/3Ν+1,η+2,η+1/3Ν+2,等等,而選 擇用於重置的列是在以下的序列:m,m+ 1/3Ν,m + 2/3N , m+1,m+l/3N+l,m+2/3N+l,m+2,m+l/3N+2,等等。 一結合本發明之驅動電路的光電顯示裝置,和一結合此 一光電顯示裝置的顯示系統被包括於本發明的範噚中。最 好,此一顯示系統是一單一面板,捲動的彩色顯示系統。 此重置脈衝的使用排除使用此一顯示系統之先前版本在 此捲動的彩色帶之間的防護帶以防護對抗彩色人造品的需 求。此防護帶的消除增加在此一系統中的流明通量。 本發明的這些和其他的容貌由參考描述於其後之具體裝 置的闡述而會更明顯。在圖例中: 圖1爲一先前技術之典型的AMLCD顯示裝置之簡化的平 面視圖; 圖2爲一先前技術之追蹤和同步取樣電路的概要圖; 圖3,一用於根據先前技術之單一面板三色顯示裝置之彩 色連續驅動方案的圖示説明; y 圖4爲一用於圖3之驅動方案的時序圖; 圖5爲—類似於圖3之彩色連續驅動方案的圖示 括本發明之一重置方案的一具體裝置; 匕 -7- 本紙張尺度適財@ g^^(CNS)A4規格⑽χ挪公董) ______ —1--------—-----訂-------- (請先閱讀背面之注意事項再填寫本頁) 五 經濟部智慧財產局員工消費合作社印製 541513 '發明說明 從愛:中:斜面產生器3〇產生-類比斜面信號,其向上部 、π $ —較低的値至一最大値,而比較器32將—灰階訊自 2位字D代表與此斜面信號的數位字表示來比較。當此^ 開路其匹配此由數位自表示的値,開關34 ”吓即,隔離)而此類比信號被儲存在行3 8的電容3 6中。 敗圖3圖示地顯示一彩色連續的驅動技術用於先前技術的一 口面板之一色_示裝置。當紅色,綠色和藍色照明帶由 此頭不器的上至下捲下時,對於每一色彩的像素訊息被更 新’ ^ —時間的—列,剛好在相關色彩之照明帶曝光之前 二此藉由連續地啓動三列,個別地標示爲汉,〇和6在一列 :擇週期間,來完成。如在圖4之時序圖的前三條線所示, 认擇的順序依照R,G,B的次序。亦即,對於一 N列的顯示 器,此第η列被選擇用以更新R數據,然後第n+l/3 n列被選 擇用以更新G數據,然後第n+2/3 N列被選擇用以更新B數據 ,然後第Π+1列被選擇用以更新R數據,等等。 在每一列選擇週期期間,相當於取樣之顯示數據的類比 仏唬,例如,視頻數據,推導自由一通用斜面產生器所產 生的斜面波形,(顯示於圖4之時序圖的最後一條線中)被外 加於此行電極並經由電晶體傳輸至此像素電極。在一列週 期的末端,此電晶體被關閉,而數據被儲存於此像素中。 此像素電容與電壓和時間都有關。對於一快速切換TN乙〔 材料的反應時間,是在大約1〇〇微秒的數量級,然而對於一 SXGA彩色視頻顯示器(1024列)的列週期典型地僅是大約$ 微秒。 -10- 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) ί#·1 (請先閱讀背面之注意事項再填寫本頁) 訂--------業. 541513 A7 B7 五、發明說明(8 ) —結果,此視頻數據傳輸的精確度被影響。亦即,儲存於 每像素中I訊息的値被先前儲存値的餘數所影響。因爲 每H口'在相關色彩之照明帶的曝光前被更新,該色彩 的明党度與先前色彩之剩餘的明亮度有關。爲修正此錯誤 ,使用-補償技術,其中外加一產生自二維查閲表(岡的 修正信號。 干根據本發明的敎導,爲避免對於此一修正信號,和LUT的 需求,使用-如圖5中之修正的驅動順序。在此順序中,像 素在儲存下一視頻數據之前被重置於一暗狀態,藉由外加 重置脈衝木整列像素,一預定數目的列在此列被重置 或更新之前。此步驟消除任何先前儲存之訊息的記憶體, 提供重置和更新之間過去的時間超過此液晶材料LC的安定 時間對於一 100微秒的安定時間和一 5微秒的列週期,重 置需求僅發生八列之前。 μ驅動至一亮狀態當然也是可能的,其傾向於在一較亮狀 態的結果,但驅動至一暗狀態較快,且也傾向於更飽和色 彩的結果。 重置脈衝在每一次更新前被加於m列,亦即,以n+m, n+1/3 N+m的順序等等(顯示於圖4中之時序圖的第四,第五 和第六條線中)。其也可能在一時間重置一個以上的列,例 如在此列被更新之如的八列,或,n+1至n+8。 第 信 此被重置的列在此列選擇週期之初始部分(圖4的第 .和第三條線)期間被啓動,在斜面產生之前,當此斜面 號在一極限値(圖4的最後一條線)時。在此方法中,用於重 本紙張尺度適用中國國家標準(CNS)A4規格( x 297公董) -11 經濟部智慧財產局員工消費合作社印製 541513 A7 ------- B7 __ 五、發明說明(9 ) 置和更新的區間重⑨,使得計時和數據等級維持不受影響。 圖6A和6B _不一時序圖和—sxga列定址電路,個別地 ,使一重置脈衝能夠褚4 、人丄 、 幻戳外加於在一列選擇週期期間之一列 在爲入之岫八列。圖6八顯示此斜面信號,此列選擇信號 和列預寫或重置信號,個別地。此斜面信號開始在一高的 絕對値並斜下至-低的絕對値,在該點處這些行被放電, 而此斜面產生态開始另一斜面。此列選擇信號選擇此列用 以預寫在介於一斜面的完成(斜面信號已達到其最低的絕對 値)和此斜面么號回到其最鬲的絕對値之間區間的期間。然 後此列預寫信號發信號給取樣和同步電路以供給此斜面; 號給在選擇的列中的像素在下一斜面的產生之前的區間期 間,在此期間斜面信號是在其最高的絕對値,因此在下一 更新之蓟重置此像素至其暗狀態。此控制電路適合用於圖 6Β中所示之具有1024列之SXGA顯示器來完成以上順序。對 於此被重置列的十位元列定址被送入一以列解碼器6〇之形 式的選擇裝置。邏輯電路62之形式的寫入裝置,由AND閘 63和64及一OR閘65所組成,將列選擇和列預寫信號與列定 址比較,並提供控制信號給位階移位器66爲了列選擇和列 預寫信號的應用給此適當的列。 一類似於圖6A和6B的裝置顯示於圖7A和7B中,對於此情 況其中在列η之前立即被更新的八列η-1至n-8都同時被重置 。在此情況中’邏輯電路7 2包括一額外的〇 r閘6 7,其接收 對於列η-1至n-8之輸入自列解碼器60並將其輸出送至AND閘 64的輸入1。 -12- 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) ; M -------tr--------AVAW (請先閱讀背面之注意事項再填寫本頁) 541513 A7 _— —_____B7___________ 五、發明說明(1〇 ) 如已知的,大部分的光電顯示裝置,及特別是液晶顯示 裝置,用一 AC電壓驅動,通常由將驅動關於每一新訊息畫 面之波形的極性反相來完成。也如已知的,此交替的行(或 列)的極性,或行組(或列組)也可以關於每一新晝面被反相 。然而,必須知道本發明的原理,亦即,當作一重置膝衡 的斜面信號之高絕對値的應用給寫入之前選擇的像素,可 適用而不必考慮此驅動波形之這些極性的反相。 本發明已經依據有限數目之具體裝置而被描述。其他的 具la I置’具體裝置的變化和確認相等的技術對於那些技 術上已熟練的人變成很明顯,且想要被包含在本發明的範 疇内,如説明在隨附的申請專利範圍中的。例如,當本發 明已經主要以用於一單一面板投影顯示系統的背景來描述 時,其也可以用於標準三面板系統中以改善移動物體的銳 利度(預防由於相同液晶記憶效應的”模糊,,)。 ^ 裝--------訂-------- C請先間讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)
Claims (1)
- 541513 A8 B8 C8 D8 第089116625號專利申請案 中文申凊專利範圍修正本(91年6月) 申請專利範圍 L 一種用於一光電顯示裝置的驅動電路,包含一像素的主 動列和行矩陣陣列,此驅動電路包含: 一控制電路(50)用以用一類比顯示信號連續地對此裝 置的像素定址,此控制電路包含選擇裝置(6〇)用以在一 列(14)選擇週期期間選擇一列像素,和寫入裝置(62,66) 用以在此列選擇週期期間供給此類比信號給此選擇的顯 示元件(20)在一個以上的行(15); 追細和同步取樣電路(29)用以轉換一進來的數位顯 示杬號流成為一類比顯示信號,此追踪和同步取樣電路 (29) 包括一斜面產生器(3〇)用以產生一類比斜面此列選擇 週期期間從一高的值降至一低的值,和取樣及同步裝置 (3 1)用以從此斜面產生器(30)選擇一類比信號相當於此取 樣的數位信號,並與此類比信號同步為了應用於此選擇 的顯示元件(20); 其特徵為,此控制電路(50)的選擇裝置(6〇)設定以選擇 在寫入之前被重置至一預定狀態的顯示元件(2〇),而寫 入裝置(62,66)設定以在來自追踪和同步取樣電路(29)之 類比訊息信號的選擇之前供給一來自此類比斜面產生器 (30) 的重置脈衝給此選擇的顯示元件(2〇),因此產生自此 光電材料之剩餘狀態的瑕疵被降低或消除。 2 ·根據申請專利範圍第1項的驅動電路,其中此被選擇用以 重置的顯示元件(20)由被選擇用以定址的顯示元件(20)以 定址的順序提出。 3. 根據申請專利範圍第1項的驅動電路,其中此控制電路 本紙張尺度適用中國國家標準(CNS) A4規格(210X297公釐) 々、申請專利範圍 (50)的寫入裝置(62,66)設定以在來自追]?宗和同步取樣電 路之類比訊息信號的選擇之前供給此來自此類比斜面產 生器的重置脈衝給此選擇的像素。 4. 根據申請專利範圍第3項的驅動電路,其中此控制電路 (50)的選擇裝置(62,66)設定以在此斜面產生之前供給此 來自此類比斜面產生器(30)的重置脈衝給此選擇的顯示 元件(20)。 5· 根據申請專利範圍第1項的驅動電路,具有Ν列14顯、示元 件20,其中此控制電路(50)的選擇裝置(62,66)設定以選 擇列η用於定址及列m用於重置。 6· 根據申請專利範圍第5項的驅動電路,其中m是列η之前 的1到10列。 7. 根據申清專利範圍第5項的驅動電路,其中111==11+8。 8_根據申請專利範圍第5項的驅動電路,其中此控制電路 (50)的選擇裝置(62,66)設定用以下的序列來選擇用於定 址的列:η,Π+1/3Ν,η+2/3Ν,η+1 , η+1/3Ν+1, η+2/3Ν+1,η+2,Π+1/3Ν+2,···· 9· 一種光電顯示裝置,結合根據申請專利範圍第1項的驅動 電路。 10· —種單一面板捲動彩色顯示系統,包含至少二個不同色 彩的捲動照明帶,並結合根據申請專利範圍第9項的顯示 裝置。 1 1 ·根據申請專利範圍第1 〇項的顯示系統,其中沒有任何防 護帶在此捲動色彩帶之間。 -2- 本紙張尺度適用中國國家標準(CNS) Α4規格(210 X 297公釐)
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US09/375,952 US6320565B1 (en) | 1999-08-17 | 1999-08-17 | DAC driver circuit with pixel resetting means and color electro-optic display device and system incorporating same |
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TW541513B true TW541513B (en) | 2003-07-11 |
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US (1) | US6320565B1 (zh) |
EP (1) | EP1121682A1 (zh) |
JP (1) | JP2003507763A (zh) |
KR (1) | KR20010080158A (zh) |
TW (1) | TW541513B (zh) |
WO (1) | WO2001013352A1 (zh) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7193625B2 (en) | 1999-04-30 | 2007-03-20 | E Ink Corporation | Methods for driving electro-optic displays, and apparatus for use therein |
US7999787B2 (en) | 1995-07-20 | 2011-08-16 | E Ink Corporation | Methods for driving electrophoretic displays using dielectrophoretic forces |
JP4637315B2 (ja) * | 1999-02-24 | 2011-02-23 | 株式会社半導体エネルギー研究所 | 表示装置 |
US7193594B1 (en) | 1999-03-18 | 2007-03-20 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
US7145536B1 (en) | 1999-03-26 | 2006-12-05 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device |
US6952194B1 (en) | 1999-03-31 | 2005-10-04 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device |
US6753854B1 (en) | 1999-04-28 | 2004-06-22 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
US7119772B2 (en) | 1999-04-30 | 2006-10-10 | E Ink Corporation | Methods for driving bistable electro-optic displays, and apparatus for use therein |
US7012600B2 (en) | 1999-04-30 | 2006-03-14 | E Ink Corporation | Methods for driving bistable electro-optic displays, and apparatus for use therein |
KR100563826B1 (ko) * | 1999-08-21 | 2006-04-17 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 데이타구동회로 |
US6429858B1 (en) * | 2000-03-29 | 2002-08-06 | Koninklijke Philips Electronics N.V. | Apparatus having a DAC-controlled ramp generator for applying voltages to individual pixels in a color electro-optic display device |
JP4330059B2 (ja) * | 2000-11-10 | 2009-09-09 | カシオ計算機株式会社 | 液晶表示装置及びその駆動制御方法 |
US6850218B2 (en) * | 2000-12-18 | 2005-02-01 | Brillian Corporation | Frame prewriting in a liquid crystal display |
US6636196B2 (en) * | 2001-06-08 | 2003-10-21 | Koninklijke Philips Electronics N.V. | Electro-optic display device using a multi-row addressing scheme |
IL145245A0 (en) * | 2001-09-03 | 2002-06-30 | Jtc 2000 Dev Delaware Inc | System and method including vector-matrix multiplication |
US9530363B2 (en) | 2001-11-20 | 2016-12-27 | E Ink Corporation | Methods and apparatus for driving electro-optic displays |
US9412314B2 (en) | 2001-11-20 | 2016-08-09 | E Ink Corporation | Methods for driving electro-optic displays |
US8593396B2 (en) | 2001-11-20 | 2013-11-26 | E Ink Corporation | Methods and apparatus for driving electro-optic displays |
US7952557B2 (en) | 2001-11-20 | 2011-05-31 | E Ink Corporation | Methods and apparatus for driving electro-optic displays |
US8558783B2 (en) | 2001-11-20 | 2013-10-15 | E Ink Corporation | Electro-optic displays with reduced remnant voltage |
US8125501B2 (en) | 2001-11-20 | 2012-02-28 | E Ink Corporation | Voltage modulated driver circuits for electro-optic displays |
US7528822B2 (en) | 2001-11-20 | 2009-05-05 | E Ink Corporation | Methods for driving electro-optic displays |
JP4187962B2 (ja) * | 2001-11-22 | 2008-11-26 | シャープ株式会社 | マトリクス表示装置 |
US6909427B2 (en) * | 2002-06-10 | 2005-06-21 | Koninklijke Philips Electronics N.V. | Load adaptive column driver |
US20080024482A1 (en) | 2002-06-13 | 2008-01-31 | E Ink Corporation | Methods for driving electro-optic displays |
US6972778B2 (en) | 2002-06-27 | 2005-12-06 | Koninklijke Philips Electronics N.V. | Color re-mapping for color sequential displays |
US20130063333A1 (en) | 2002-10-16 | 2013-03-14 | E Ink Corporation | Electrophoretic displays |
CN102074200B (zh) * | 2003-03-31 | 2012-11-28 | 伊英克公司 | 驱动双稳态电光显示器的方法 |
CN100446072C (zh) * | 2003-03-31 | 2008-12-24 | 伊英克公司 | 驱动双稳态电光显示器的方法 |
US10726798B2 (en) | 2003-03-31 | 2020-07-28 | E Ink Corporation | Methods for operating electro-optic displays |
US8174490B2 (en) | 2003-06-30 | 2012-05-08 | E Ink Corporation | Methods for driving electrophoretic displays |
WO2005020199A2 (en) | 2003-08-19 | 2005-03-03 | E Ink Corporation | Methods for controlling electro-optic displays |
US8928562B2 (en) | 2003-11-25 | 2015-01-06 | E Ink Corporation | Electro-optic displays, and methods for driving same |
KR100541975B1 (ko) * | 2003-12-24 | 2006-01-10 | 한국전자통신연구원 | 능동 구동형 el의 소스 구동회로 및 그 구동방법 |
KR20050082643A (ko) | 2004-02-19 | 2005-08-24 | 삼성에스디아이 주식회사 | 액정표시장치의 구동방법 |
US7492339B2 (en) | 2004-03-26 | 2009-02-17 | E Ink Corporation | Methods for driving bistable electro-optic displays |
US8289250B2 (en) | 2004-03-31 | 2012-10-16 | E Ink Corporation | Methods for driving electro-optic displays |
JP4498827B2 (ja) | 2004-06-03 | 2010-07-07 | トヨタ自動車株式会社 | 電力変換装置およびそれを備えた車両 |
US11250794B2 (en) | 2004-07-27 | 2022-02-15 | E Ink Corporation | Methods for driving electrophoretic displays using dielectrophoretic forces |
US7453445B2 (en) | 2004-08-13 | 2008-11-18 | E Ink Corproation | Methods for driving electro-optic displays |
JP5928840B2 (ja) | 2010-04-09 | 2016-06-01 | イー インク コーポレイション | 電気光学ディスプレイを駆動するための方法 |
US11710445B2 (en) | 2019-01-24 | 2023-07-25 | Google Llc | Backplane configurations and operations |
US11081064B1 (en) | 2020-01-13 | 2021-08-03 | Samsung Display Co., Ltd. | Reference signal generation by reusing the driver circuit |
US11257416B2 (en) | 2020-02-14 | 2022-02-22 | Samsung Display Co., Ltd. | Voltage mode pre-emphasis with floating phase |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0492721B1 (en) | 1990-12-27 | 1997-03-12 | Koninklijke Philips Electronics N.V. | Color display device and circuitry for addressing the light valve of said device |
KR100383337B1 (ko) | 1994-06-23 | 2003-07-22 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 디스플레이장치및칼라투사형시스템 |
DE69623153T2 (de) | 1995-03-06 | 2003-04-17 | Thomson Multimedia Sa | Treiberschaltungen für Datenleitungen mit einem gemeinsamen Rampensignal für ein Anzeigesystem |
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KR20010080158A (ko) | 2001-08-22 |
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