TW583524B - Reference voltage generation circuit, display driver circuit, display device, and method of generating reference voltage - Google Patents

Reference voltage generation circuit, display driver circuit, display device, and method of generating reference voltage Download PDF

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Publication number
TW583524B
TW583524B TW092100811A TW92100811A TW583524B TW 583524 B TW583524 B TW 583524B TW 092100811 A TW092100811 A TW 092100811A TW 92100811 A TW92100811 A TW 92100811A TW 583524 B TW583524 B TW 583524B
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circuit
reference voltage
power supply
resistance
node
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TW092100811A
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TW200302959A (en
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Akira Morita
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Seiko Epson Corp
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/2007Display of intermediate tones
    • G09G3/2011Display of intermediate tones by amplitude modulation
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • G09G3/3275Details of drivers for data electrodes
    • G09G3/3283Details of drivers for data electrodes in which the data driver supplies a variable data current for setting the current through, or the voltage across, the light-emitting elements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • G09G3/3275Details of drivers for data electrodes
    • G09G3/3291Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3685Details of drivers for data electrodes
    • G09G3/3688Details of drivers for data electrodes suitable for active matrices only
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/08Active 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
    • G09G2300/0809Several active elements per pixel in active matrix panels
    • G09G2300/0842Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0243Details of the generation of driving signals
    • G09G2310/0248Precharge or discharge of column electrodes before or after applying exact column voltages
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264Details of driving circuits
    • G09G2310/027Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/0271Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/028Generation of voltages supplied to electrode drivers in a matrix display other than LCD
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3696Generation of voltages supplied to electrode drivers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Electrical Variables (AREA)
  • Liquid Crystal (AREA)
  • Control Of El Displays (AREA)

Description

583524 • /•一一 r·^…” (11) 4 . !τ{;‘ 上述第2電源線而被連接於第k(l$ j< i,k爲整數)之分割 節點之間的電阻電路之阻抗予以變化的第2開關電路群,上述 第1及第2開關電路群是在根據上述灰階資料的驅動期間所給 予的控制期間,降低電阻電路之阻抗,並在上述控制期間經過 後,提高電阻電路之阻抗。 於本發明中,將構成梯式電阻電路之電阻電路,使用 第1及第2開關電路群,而自第1電源線可變控制第j分 割節點之阻抗和自第2電源線可變控制第k分割節點。藉 由串聯或是並聯例如連接各電阻電路和開關電路,則可以 執行使用使用開關電路之可變控制。此時,在控制期間中 ’降低阻抗縮小時間定數,並在控制期間經過後,可返回 原來之時間定數。依此,可以加速充電時間,可以迅速地 到達所欲之基準電壓,例如,如極性反轉驅動方式般頻繁 地變更基準電壓之情形爲最佳。再者,因可以增大構成梯 式電阻電路之電阻電路之電阻値,故可以縮小消耗電流, 可以達成低消耗化。 再1者,本發明所涉及之顯示驅動電路是可以包含有上 述中之任一項所記載之基準電壓產生電路;自依據上述基 準電壓產生電路而所產生的多値基準電壓,根據灰階資料 而選擇電壓的電壓選擇電路;和使用藉由上述電壓選擇電 路而所選擇之電壓,驅動訊號電極的訊號電極驅動電路。 若依據本發明,可以提供即使爲短驅動期間亦可執行 珈瑪(r )修正,並可以達成低消耗電力之顯示驅動電路。 再者,本發明所涉及之顯示裝置,是關係於包含有與 -15- 583524 (12) 6^0 6 上述多數訊號電極交叉的多數掃描電極;藉由上述多數訊 號電極和上述多數掃描電極而被特定的畫素;驅動上述多 數訊號電極的上述所記載之顯示驅動電路;和驅動上述多 數掃描電極的掃描電極驅動電路之顯示裝置。 . 若依據本發明則可以提供色調豐富並且可以達成低消 耗電力化之顯示裝置’ 再者,本發明所涉及之顯示裝置是關係於包含有含有 多數訊號電極,與上述多數訊號電極交叉的多數掃描電極 ,和藉由上述多數訊號電極和上述多數掃描電極而被特定 之畫素的顯示面板;驅動上述多數訊號電極的上述所記載 之顯示驅動電路;和驅動上述多數掃描電極的掃描電極驅 動電路之,顯示裝置。 若依據本發明則可以提供色調豐富並’且可以達成低消 耗電力化之顯示裝置。 再者,本發明是關係於一種基準電壓產生方法,屬於 產生用以生成根據灰階資料而被珈碼(r )修正的灰階値之 多値基準電壓的基準電壓產生電路,其針對將藉由具有在 供給第1及第2電源電壓的第1及第2電源線之間被串聯 連接的多數電阻電路之各電阻電路而電阻分割的第1〜第 i(i是2以上的整數)之分割節點之電壓,當作第1〜第i之 基準電壓而予以輸出的梯式電阻電路,在根據上述灰階資 料而被驅動之驅動期間所給予的控制期間,縮小第爲整 數)之分割節點和上述第.1電源線之間的電阻値,和第k ( 1 S j < k S i,k爲整數)之分割節點和上述第2電源線之間的 -16- 583524 ⑴ 象' 拾、申請專利範圍 p f - -. .. j 一 j 第92 1 008 1 1號專利申請案 中文申請專利範圍更正本 民國93年10月4日修正 I ~種基準電壓產生電路,是屬於產生用以生成根據 灰階資料而被珈碼(7 )修正的灰階値之多値基準電壓的 基準電壓產生電路,其特徵爲: 包含有:具有在供給第1及第2電源電壓的第1及第 2電源線之間被串聯連接的多數電阻電路,並且將藉由各 電阻電路而被電阻分割的第1〜第!( 1是2以上的整數) 之分割節點之電壓當作第1〜第i之基準電壓而予以輸出 的梯式電阻電路; 使屬於第(」爲整數)之分割節點和上述第1電源 線間之阻抗的第1阻抗値予以變化的第1阻抗可變電路; 和 使屬於第k ( 1 g j < k S 1,k爲整數)之分割節點和上 述第2電源線間之阻抗的第2阻抗値予以變化的第2阻抗 可變電路, 上述第1及第2阻抗可變電路是在根據上述灰階資料 的驅動期間的賦予控制期間中,降低上述第1及第2阻抗 値,並且在上述控制期間經過後,將上述第1及第2阻抗 値各返回所賦予的第1及第2値。 2.如申請專利範圍第1項所記載之基準電壓產生電路 (2)
583524 ’其中上述第1阻抗可變電路是包含被插入於上述第1電 源線和上述第」分割節點之間的第1電阻偏壓電路’上述 第1電阻偏壓電路是在上述控制期間,電性連接上述電源 線和上述第j分割節點’ 於上述控制期間經過後’電性截斷上述第1電源線和 上述第j分割節點。
3.如申請專利範圍第1項所記載之基準電壓產生電路 ’其中,上述第1阻抗可變電路是包含將上述第1電源線 和第1〜第」分割節點各予以分流的第1〜第j分割開關 電路, 上述〜第」分割開關電路,是電性連接所有上述第1 電源線和第1〜第j分割節點後,從第分割節點起到第 1分割節點依序與上述第1電源線電性截斷。 4 ·如申請專利範圍第1項所記載之基準電壓產生電路 ’其中,上述第1抗阻可變電路是包含有:
於上述第1〜第(j -1 )分割節點連接有其輸入的第1 〜第(hi)電壓跟隨型之演算放大器; 被插入於上述第1〜第(j-Ι)電壓跟隨型的演算放大 器之輸出和第1〜第(r 1 )基準電壓輸出節點之間的第1 〜第(h 1 )驅動輸出開關電路; 被插入於上述第1〜第(」-1 )分割節點和第1〜第( J -1 )基準電壓輸出節點之間的第1〜第(j 電阻輸出開 關電路;和 被插入於上述第(j -1 )電壓跟隨型的演算放大器之 -2 - 583524 93. 10 0 4 1 . —--------------广… 輸出和第j基準電壓輸出節點値之間的第1分流開關電路 上述第1〜第(j -1 )驅動輸出開關電路是在上述控制 期間中,電性連接上述第1〜第(j -1 )電壓跟隨型的演算 放大器之輸出和第1〜第(hi)基準電壓輸出節點, 並在上述控制期間經過後,電性截斷上述第1〜第( J-ι)電壓跟隨型的演算放大器之輸出和第1〜第(j-丨)基 準電壓輸出節點, 上述第1〜第(j -1 )之電阻輸出開關電路是在上述控 制期間中,電性截斷上述第1〜第()分割節點和第1 〜第(j-ι )基準電壓輸出節點, 並在上述控制期間經過後,、電性連接上述第1〜第( ^ 1 )分割節點和第1〜第(j -1 )基準電壓輸出節點,. 上述第1分流開關電路是在上述控制期間中,電性連 接上述第(j - 1 )電壓跟隨型之演算放大器的輸出和第j基 準電壓輸出節點, 並在上述控制期間經過後,電性截斷上述第(^ 1 ) 電壓跟隨型之演算放大器的輸出和第:基準電壓輸出節點 〇 5 ·如申請專利範圍第1項所記載之基準電壓產生電.路 ’其中,上述第1抗阻可變電路是包含有: 於上述第1〜第(」-1 )分割節點連接有其輸入的第} 〜第(j-Ι)電壓跟隨型之演算放大器; 被插入於上述第1〜第(hi )電壓跟隨型的演算放大 583524
器之輸出和第1〜第(j -1 )基準電壓輸出節點之間的第1 〜第(j -1 )驅動輸出開關電路; 被插入於上述第1〜第(」-1 )分割節點和第1〜第( J -1 )基準電壓輸出節點之間的第1〜第(h 1 )電阻輸出開 關電路;和 被插入於上述第(^1)電壓跟隨型的演算放大器之 輸出和第j基準電壓輸出節點値之間的第1演算放大電路 上述第1〜第(j -1 )驅動輸出開關電路是在上述控制 期間中’電性連接上述第1〜第(j - 1 )電壓跟隨型的演算 放大器之輸出和電性連接第1〜第(h 1 )基準電壓輸出節 點, 並在上述控制期間經過後,電性截斷上述第1〜第( J-ι)電壓跟隨型的演算放大器之輸出和第1〜第(hi)基 準電壓輸出節點, 上述第1〜第(」_丨)之電阻輸出開關電路是在上述控 制期間中’電性截斷上述第1〜第(」_丨)分割節點和第1 〜第(」-1 )基準電壓輸出節點, 並在上述控制期間經過後,電性連接上述第1〜第( J -1 )分割節點和第丨〜第(」_丨)基準電壓輸出節點, 上述第i演算放大電路是在上述控制期間中,將對第 (j -1 )電壓跟隨型的演算放大器之輸出施加所給予之補 償的電壓予以輸出至上述第j基準電壓輸出節點上, 並在上述控制期間經過後,限制或停止其動作電流。 -4 - 583524 (5) 93.成 f) /( Ί '、, 6·如申請專利範圍第l項至第5項中之任一項所記載 之基準電壓產生電路,其中,上述第2阻抗可變電路是包 含有被插入於上述第2電源線和上述第k分割節點之間的 第2電阻分流電路, 上述第2電阻分流電路是在上述控制期間中,電性連 接上述第2電源線和上述第k分割節點, 並於上述控制期間經過後,電性截斷上述第2電源線 和上述第k分割節點。 7 ·如申請專利範圍第1項至第5項中之任一項所記載 之基準電壓產生電路,其中,上述第2阻抗可變電路是包 含有將上述第2電源線和第k〜第i分割節點各予以分流 的第k〜第i開關電路, 上述第k〜第i開關電路是電性連接上述第2電源線 和上述第k〜第i分割節點後,從第k分割節點起到第1 分割節點依序與上述第2電源線電性截斷。 8 ·如申請專利範圍第1項至第5項中之任一項所記載 之基準電壓產生電路,其中,上述第2抗阻可變電路是包 含有: 於上述第(k+ 1 )〜第i分割節點連接有其輸入的第 (k+ 1 )〜第i電壓跟隨型之演算放大器; 被插入於上述第(k + 1 )〜第i電壓跟隨型的演算放 大器之輸出和第(k+ 1 )〜第1基準電壓輸出節點之間的 第(1 )〜第i驅動輸出開關電路; 被插入於上述第(k+ 1 )〜第i分割節點和第(k + 1 ) -5- 583524 (6) {:]
〜第i基準電壓輸出節點之間的第(1 ) 出開關電路;和
電阻輸 被插入於上述第(k+ 1 )電壓跟隨型的演算放大器之 輸出和第k基準電壓輸出節點値之間的第2分流開關電路 上述弟(k+Ι)〜第i驅動輸出開關電路是在上述控 制期間中,電性連接上述第(k+1 )〜第1電壓跟隨型的 演具放大益之輸出和第(k+Ι)〜第i基準電壓輸出節黑占 並在上述控制期間經過後,電性截斷上述第(k+ }) 〜第i電壓跟隨型的演算放大器之輸出和第(1 )〜第} 基準電壓輸出節點, 上述第(k+1 )〜第1之電阻輸出開關電路是在上述 控制期間中’電性截斷上述第(k + 1 )〜第i分割節點和 第(k+1 )〜第i基準電壓輸出節點, 並在上述控制期間經過後,電性連接上述第(k+i) 〜第i分割節點和第(k+ 1 )〜第i基準電壓輸出節點, 上述第2分流開關電路是在上述控制期間中,電性連 接上述第(k+Ι)電壓跟隨型之演算放大器的輸出和第k 基準電壓輸出節點, 並在上述控制期間經過後,電性截斷上述第(k+ }) 電壓跟隨型之演算放大器的輸出和第k基準電壓輸出節點 〇 9 ·如申請專利範圍第1項至第5項中之任一項所記載 -6 - 583524 (7) ^ . iUv. Ο ·[ 之基準電壓產生電路,其中,上述第2抗阻可變電路是包 含有: 於上述弟(k + 1 )〜第i分割節點連接有意輸入的第 (1 )〜第1電壓跟隨型之演算放大器; 被插入於上述第(k+Ι )〜第1電壓跟隨型的演算放 大器之輸出和第(k+1)〜第1基準電壓輸出節點之間的 第(k+ 1 )〜第i驅動輸出開關電路; 被插入於上述第(k+ 1 )〜第!分割節點和第(k+ i ) 〜第1基準電壓輸出節點之間的第(k+1 )〜第}電阻輸 出開關電路;和 被插入於上述第(k+Ι)電壓跟隨型的演算放大器之 輸出和第k基準電壓輸出節點値之間的第2潢算放大電路 , 上述第(k+1 )〜第1驅動輸出開關電路是在上述控 制期間中’電性連接上述第(k+1 )〜第1電壓跟隨型的 演算放大器之輸出和第(k+Ι)〜第i基準電壓輸出節點 並在上述控制期間經過後,電性截斷上述第(k+ j ) 〜第1電壓跟隨型的演算放大器之輸出和第(k+〗)〜第i 基準電壓輸出節點, 上述第(k +1 )〜第i之電阻輸出開關電路是在上述 控制期間中’電性截斷上述第(k +])〜第i分割節點和 第(k+ 1 )〜第i基準電壓輸出節點, 並在上述控制期間經過後,電性連接上述第(k ) -7- 583524 ⑻I &!#〇.严翁❹ 〜第1分割節點和第(k+ 1 )〜第i基準電壓輸出節點, 上述第2演算放大電路是在上述控制期間中,將對第 (k+ 1 )電壓跟隨型的演算放大器之輸出施加所給予之補 償的電壓予以輸出至上述第k基準電壓輸出節點上, 並在上述控制期間經過後,限制或停止其動作電流。 10·—種基準電壓產生電路’是屬於產生用以生成根 據灰階資料而被珈碼(7 )修正的灰階値之多値基準電壓 的基準電壓產生電路,其特徵爲:
包含有:具有在供給第i及第2電源電壓的第1及第 2電源線之間被串聯連接的多數電阻電路,並且將藉由各 電阻電路而被電阻分割的第1〜第i ( i是2以上的整數) 之分割節點之電,壓當作第1〜第i之基準電壓而予以輸出 的梯式電阻電路;和 使上述多數電阻電路之中,自上述第1電源線而被連 接於第」(」爲整數)之分割節點之間的電阻電路之阻抗 予以變化的第1開關電路群,和
使上述多數電阻電路之中,自上述第2電源線而被連 接於第k ( 1 S」< k € !,k爲整數)之分割節點之間的電阻 電路之阻抗予以變化的第2開關電路群, 上述第1及第2開關電路群是在根據上述灰階資料的 驅動期間所給予的控制期間,降低電阻電路之阻抗, 並在上述控制期間經過後,提高電阻電路之阻抗。 1 1 . 一種顯示驅動電路,其特徵爲:包含有 申請專利範圍第1項至第5項中之任一項所記載之基 -8- (9) 583524 览JO. 〇4) 準電壓產生電路; 準電壓產生電路而所產生的多値基準電 壓’根據灰階資料而選擇電壓的電壓選擇電路;和 # H ή ± _電壓選擇電路而所選擇之電壓,驅動訊 號電極的訊號電極_動電路。 12.—種顯示_動電路,其特徵爲:包含有 申§f專利範圍第6項所記載之基準電壓產生電路; 準電壓產生電路而所產生的多値基準電 壓’根據灰階資料而選擇電壓的電壓選擇電路;和 使用藉由上述電壓選擇電路而所選擇之電壓,驅動訊 號電極的訊號電極驅動電路。 1 3 種顯示驅動:電路,其特徵爲:包含有 申請專利範園第7項所記載之基準電壓產生電路; 自依據上述基準電壓產生電路而所產生的多値基準電 壓’根據灰階資料而選擇電壓的電壓選擇電路;和 使用藉由上述電壓選擇電路而所選擇之電壓,驅動訊 號電極的訊號電極驅動電路。 1 4 . 一種顯示驅動電路,其特徵爲:包含有 申請專利範圍第8項所記載之基準電壓產生電路; 自依據上述基準電壓產生電路而所產生的多値基準電 壓,根據灰階資料而選擇電壓的電壓選擇電路;和 使用藉由上述電壓選擇電路而所選擇之電壓,驅動訊 號電極的訊號電極驅動電路。 ]5 · —種顯示驅動電路,其特徵爲:包含有 -9- 583524
申請專利範圍第9項所記載之基準電壓產生電路; 自依據上述基準電壓產生電路而所產生的多値基準電 壓,根據灰階資料而選擇電壓的電壓選擇電路;和 使用藉由上述電壓選擇電路而所選擇之電壓,驅動訊 號電極的訊號電極驅|力電路。
16·—種顯示驅動電路,其特徵爲:包含有 申請專利範圍第1 0項所記載之基準電壓產生電路; 自依據上述基準電壓產生電路而所產生的多値基準電 壓’根據灰階資料而選擇電壓的電壓選擇電路;和 使用藉由上述電壓選擇電路而所選擇之電壓,驅動訊 號電極的訊號電極驅動電路。 17. —種顯示裝置,其特徵爲:包含有 多數訊號電極; 與上述多數訊號電極交叉的多數掃描電極;
藉由上述多數訊號電極和上述多數掃描電極而被特定 的畫素; 驅動上述多數訊號電極的申請專利範圍第1 1項所記 載之顯示驅動電路;和 驅動上述多數掃描電極的掃描電極驅動電路。 18. —種顯示裝置,其特徵爲:包含有 多數訊號電極; 與上述多數訊號電極交叉的多數掃描電極; 藉由上述多數訊號電極和上述多數掃描電極而被特定 的畫素; -10- 583524 、球' (11) : Μ * ..................… … : 驅動上述多數訊號電極的申請專利範圍第丨2項所記 載之顯示驅動電路;和 驅動上述多數掃描電極的掃描電極驅動電路。 19. 一種顯示裝置,其特徵爲:包含有 含有多數訊號電極,與上述多數訊號電極交叉的多數 掃描電極,和藉由上述多數訊號電極和上述多數掃描電極 而被特定之畫素的顯示面板; 驅動上述多數訊號電極的申請專利範圍第1 1項所記 載之顯示驅動電路;和 驅動上述多數掃描電極的掃描電極驅動電路。 20. —種顯示裝置,其特徵爲:包含有 含有多數訊號電極,與上述多數訊號電極交叉的多數 掃描電極,和藉由上述多數訊號電極和上述多數掃描電極 而被特定之畫素的顯示面板; 驅動上述多數訊號電極的申請專利範圍第1 2項所記 載之顯示驅動電路;和 驅動上述多數掃描電極的掃描電極驅動電路。 21· —種基準電壓產生方法,是屬於產生用以生成根 據灰階資料而被珈碼(r )修正的灰階値之多値基準電壓 的基準電壓產生電路,其特徵爲: 針對將藉由具有在洪給第1及第2電源電壓的第1及 第2電源線之間被串聯連接的多數電阻電路之各電阻電路 而電阻分割的第1〜第I ( i是2以上的整數)之分割節點 之電壓,當作第1〜第i之基準電壓而予以輸出的梯式電 -11 - 583524
(12) 阻電路, 在根據上述灰階資料而被驅動之驅動期間所給予的控 制期間,縮小第*] ( 爲整數)之分割節點和上述第1電 源線之間的電阻値,和第k ( 1 S j < k S i,k爲整數)之分 割節點和上述第2電源線之間的電阻値。
-12-
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8791968B2 (en) 2009-06-19 2014-07-29 Himax Technologies Limited Source driver for driving at least one sub-pixel

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100520383B1 (ko) * 2003-03-18 2005-10-11 비오이 하이디스 테크놀로지 주식회사 액정표시장치의 기준전압 발생회로
JP4009238B2 (ja) * 2003-09-11 2007-11-14 松下電器産業株式会社 電流駆動装置及び表示装置
KR101001991B1 (ko) * 2003-12-11 2010-12-16 엘지디스플레이 주식회사 액정표시소자의 감마보정회로
JP2005266346A (ja) * 2004-03-18 2005-09-29 Seiko Epson Corp 基準電圧発生回路、データドライバ、表示装置及び電子機器
EP1583070A1 (en) * 2004-03-30 2005-10-05 STMicroelectronics S.r.l. Method for designing a structure for driving display devices
WO2005111981A1 (en) * 2004-05-19 2005-11-24 Sharp Kabushiki Kaisha Liquid crystal display device, driving method thereof, liquid crystal television having the liquid crystal display device and liquid crystal monitor having the liquid crystal display device
US6999015B2 (en) * 2004-06-03 2006-02-14 E. I. Du Pont De Nemours And Company Electronic device, a digital-to-analog converter, and a method of using the electronic device
JP4193771B2 (ja) * 2004-07-27 2008-12-10 セイコーエプソン株式会社 階調電圧発生回路及び駆動回路
JP4367308B2 (ja) 2004-10-08 2009-11-18 セイコーエプソン株式会社 表示ドライバ、電気光学装置、電子機器及びガンマ補正方法
JP4738867B2 (ja) * 2004-10-22 2011-08-03 ルネサスエレクトロニクス株式会社 表示装置用駆動装置
JP2006187056A (ja) * 2004-12-24 2006-07-13 Sharp Corp チャージポンプ方式dc/dcコンバータ
US7158065B2 (en) * 2005-02-04 2007-01-02 Tpo Displays Corp. Signal driving circuits
JP2006227272A (ja) * 2005-02-17 2006-08-31 Seiko Epson Corp 基準電圧発生回路、表示ドライバ、電気光学装置及び電子機器
JP4442455B2 (ja) * 2005-02-17 2010-03-31 セイコーエプソン株式会社 基準電圧選択回路、基準電圧発生回路、表示ドライバ、電気光学装置及び電子機器
JP4810840B2 (ja) * 2005-03-02 2011-11-09 セイコーエプソン株式会社 基準電圧発生回路、表示ドライバ、電気光学装置及び電子機器
JP2006243233A (ja) * 2005-03-02 2006-09-14 Seiko Epson Corp 基準電圧発生回路、表示ドライバ、電気光学装置及び電子機器
JP2006243232A (ja) * 2005-03-02 2006-09-14 Seiko Epson Corp 基準電圧発生回路、表示ドライバ、電気光学装置及び電子機器
JP4645258B2 (ja) * 2005-03-25 2011-03-09 日本電気株式会社 デジタルアナログ変換回路及び表示装置
KR100696693B1 (ko) * 2005-04-13 2007-03-20 삼성에스디아이 주식회사 유기 발광 표시 장치
KR100696691B1 (ko) * 2005-04-13 2007-03-20 삼성에스디아이 주식회사 유기 발광 표시 장치
KR100721578B1 (ko) * 2005-04-29 2007-05-23 삼성에스디아이 주식회사 유기전계발광장치의 직류 안정화 회로 및 이를 이용하는전원 공급 장치
JP4348318B2 (ja) * 2005-06-07 2009-10-21 シャープ株式会社 階調表示基準電圧発生回路および液晶駆動装置
JP2007135099A (ja) * 2005-11-11 2007-05-31 Toshiba Corp Ad変換装置及び映像表示装置
US7379004B2 (en) * 2006-01-27 2008-05-27 Hannstar Display Corp. Driving circuit and method for increasing effective bits of source drivers
US7656376B2 (en) * 2006-07-07 2010-02-02 Himax Technologies Limited Gamma voltage generation circuit
JP4528748B2 (ja) * 2006-07-20 2010-08-18 Okiセミコンダクタ株式会社 駆動回路
JP4889397B2 (ja) * 2006-07-26 2012-03-07 アルパイン株式会社 電圧変換装置
TWI343556B (en) * 2006-08-15 2011-06-11 Novatek Microelectronics Corp Voltage buffer and source driver thereof
JP5128822B2 (ja) * 2007-01-11 2013-01-23 株式会社ジャパンディスプレイイースト 表示装置
JP4773928B2 (ja) 2006-11-16 2011-09-14 セイコーエプソン株式会社 ソースドライバ、電気光学装置及び電子機器
JP4528759B2 (ja) * 2006-11-22 2010-08-18 Okiセミコンダクタ株式会社 駆動回路
JP2008134496A (ja) * 2006-11-29 2008-06-12 Nec Electronics Corp 階調電位発生回路、表示装置のデータドライバ、及びその表示装置
JP2008233864A (ja) * 2007-02-23 2008-10-02 Seiko Epson Corp ソースドライバ、電気光学装置、投写型表示装置及び電子機器
US8427415B2 (en) 2007-02-23 2013-04-23 Seiko Epson Corporation Source driver, electro-optical device, projection-type display device, and electronic instrument
JP5374867B2 (ja) * 2007-02-23 2013-12-25 セイコーエプソン株式会社 ソースドライバ、電気光学装置、投写型表示装置及び電子機器
JP4990028B2 (ja) * 2007-05-23 2012-08-01 ラピスセミコンダクタ株式会社 半導体集積回路装置
US20080303767A1 (en) * 2007-06-01 2008-12-11 National Semiconductor Corporation Video display driver with gamma control
JP2009003243A (ja) 2007-06-22 2009-01-08 Seiko Epson Corp 基準電圧選択回路、表示ドライバ、電気光学装置及び電子機器
JP4536759B2 (ja) * 2007-08-10 2010-09-01 ティーピーオー ディスプレイズ コーポレイション 変換回路
JP5144177B2 (ja) * 2007-08-31 2013-02-13 キヤノン株式会社 情報処理装置
KR20090058712A (ko) * 2007-12-05 2009-06-10 주식회사 동부하이텍 액정표시장치의 구동장치 및 그 구동방법
JP2009300866A (ja) * 2008-06-16 2009-12-24 Nec Electronics Corp 駆動回路および表示装置
JP5641689B2 (ja) * 2008-11-28 2014-12-17 エルジー ディスプレイ カンパニー リミテッド 信号処理装置及び画像表示装置
KR101056331B1 (ko) * 2009-02-27 2011-08-11 삼성모바일디스플레이주식회사 전원공급부, 그를 이용한 유기전계발광표시장치 및 그의 구동방법
JP5363895B2 (ja) * 2009-07-23 2013-12-11 ルネサスエレクトロニクス株式会社 信号線駆動回路及び液晶表示装置
JP5482221B2 (ja) * 2010-01-22 2014-05-07 株式会社リコー アナログ回路
JP5674594B2 (ja) 2010-08-27 2015-02-25 株式会社半導体エネルギー研究所 半導体装置及び半導体装置の駆動方法
FR2967752B1 (fr) * 2010-11-18 2013-07-05 Itp Sa Conduit isole et chauffe realise par des troncons double enveloppe et procede de pose du conduit
KR102013381B1 (ko) * 2012-08-28 2019-08-23 엘지디스플레이 주식회사 감마기준전압 발생회로 및 그를 포함한 액정표시장치
JP6149596B2 (ja) * 2013-08-13 2017-06-21 セイコーエプソン株式会社 データ線ドライバー、半導体集積回路装置、及び、電子機器
KR102130142B1 (ko) * 2013-12-31 2020-07-06 엘지디스플레이 주식회사 감마기준전압 발생회로 및 이를 포함하는 표시장치
CN104021771B (zh) * 2014-06-17 2017-02-15 深圳市华星光电技术有限公司 一种可编程伽玛校正缓冲电路芯片及产生伽马电压的方法
JP6439393B2 (ja) * 2014-11-07 2018-12-19 セイコーエプソン株式会社 ドライバー及び電子機器
CN104376827B (zh) * 2014-11-26 2017-12-15 京东方科技集团股份有限公司 校正液晶显示装置的方法和设备
KR102439795B1 (ko) 2015-07-31 2022-09-06 삼성디스플레이 주식회사 데이터 드라이버 및 이를 포함하는 표시 장치
JP2017151197A (ja) 2016-02-23 2017-08-31 ソニー株式会社 ソースドライバ、表示装置、及び、電子機器
JP2017173494A (ja) 2016-03-23 2017-09-28 ソニー株式会社 デジタルアナログ変換回路、ソースドライバ、表示装置、及び、電子機器、並びに、デジタルアナログ変換回路の駆動方法
CN106251809A (zh) * 2016-07-19 2016-12-21 京东方科技集团股份有限公司 转换电路及其工作方法、补偿装置和显示设备
JP6880594B2 (ja) * 2016-08-10 2021-06-02 セイコーエプソン株式会社 表示ドライバー、電気光学装置及び電子機器
JP6834274B2 (ja) * 2016-09-12 2021-02-24 セイコーエプソン株式会社 階調電圧生成回路、表示ドライバー、電気光学装置及び電子機器
JP6587002B2 (ja) * 2018-01-26 2019-10-09 セイコーエプソン株式会社 表示ドライバー、電気光学装置及び電子機器
JP6729670B2 (ja) * 2018-12-11 2020-07-22 セイコーエプソン株式会社 表示ドライバー、電気光学装置及び電子機器
CN111627396B (zh) * 2020-06-29 2021-08-20 武汉天马微电子有限公司 一种数据线电压确定方法、确定装置及驱动方法
JP7403488B2 (ja) * 2021-02-18 2023-12-22 三菱電機株式会社 電流信号処理装置
CN112996182B (zh) * 2021-03-11 2023-03-10 广州彩熠灯光股份有限公司 一种光源驱动电路
US11658655B2 (en) * 2021-06-29 2023-05-23 Analog Devices International Unlimited Company Precharge buffer stage circuit and method

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US275207A (en) * 1883-04-03 And john t
JPS545399A (en) 1977-06-15 1979-01-16 Hitachi Ltd Power source circuit
SG54123A1 (en) * 1993-12-22 1998-11-16 Seiko Epson Corp Liquid-crystal display system and power supply method
US5956006A (en) * 1994-06-10 1999-09-21 Casio Computer Co., Ltd. Liquid crystal display apparatus and method of driving the same, and power supply circuit for liquid crystal display apparatus
CN1161754A (zh) * 1994-10-07 1997-10-08 艾鲁奈克斯技术公司 一种用于中央处理器的改进的可变电压调节器
US5867057A (en) * 1996-02-02 1999-02-02 United Microelectronics Corp. Apparatus and method for generating bias voltages for liquid crystal display
KR100205371B1 (ko) * 1996-03-26 1999-07-01 구자홍 액정의 다계화 구동회로
JPH1028056A (ja) * 1996-07-11 1998-01-27 Yamaha Corp D/aコンバータ
JP3411494B2 (ja) * 1997-02-26 2003-06-03 シャープ株式会社 マトリクス型表示装置の駆動用電圧生成回路
JP3795209B2 (ja) * 1997-12-01 2006-07-12 シャープ株式会社 液晶表示装置及びこれに用いられる基準電位発生回路
US6225992B1 (en) * 1997-12-05 2001-05-01 United Microelectronics Corp. Method and apparatus for generating bias voltages for liquid crystal display drivers
JPH11175027A (ja) * 1997-12-08 1999-07-02 Hitachi Ltd 液晶駆動回路および液晶表示装置
JP3573984B2 (ja) 1998-12-15 2004-10-06 三洋電機株式会社 液晶駆動集積回路
US6366065B1 (en) * 1999-10-21 2002-04-02 Seiko Epson Corporation Voltage supplying device, and semiconductor device, electro-optical device and electronic instrument using the same
JP4615100B2 (ja) * 2000-07-18 2011-01-19 富士通セミコンダクター株式会社 データドライバ及びそれを用いた表示装置
JP2002189454A (ja) * 2000-12-20 2002-07-05 Seiko Epson Corp 電源回路、液晶装置及び電子機器
JP4216558B2 (ja) * 2002-09-30 2009-01-28 東芝松下ディスプレイテクノロジー株式会社 表示装置およびその駆動方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8791968B2 (en) 2009-06-19 2014-07-29 Himax Technologies Limited Source driver for driving at least one sub-pixel

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US7079127B2 (en) 2006-07-18
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