JP2007286614A - 画像表示システム - Google Patents
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- 229920001621 AMOLED Polymers 0.000 claims description 53
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- 102100036285 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial Human genes 0.000 description 20
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3258—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G2300/0852—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor being a dynamic memory with more than one capacitor
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G2300/0861—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes
-
- 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
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3275—Details of drivers for data electrodes
- G09G3/3291—Details 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of El Displays (AREA)
Abstract
【解決手段】画像表示システムに含まれる表示装置は、表示信号と掃引信号を提供するデータラインと、スキャンリセット信号を提供するスキャンリセットラインと、データラインに結合される第一端を有し、データラインからの電荷を蓄積する第一コンデンサーと、入力端、第一供給端、第二供給端と出力端を有する第一反転ユニットと、第一端、第二端と制御端を有する第一リセットスイッチと、第一反転ユニットの出力端に結合される制御端を有する駆動TFTと、駆動TFTの第一端と第三電圧源の間に結合される発光ユニットとを含む。
【選択図】 図3
Description
(2)0<Vds<Vgs-Vthの場合、Id_linear=μCOXWeffLeff[(Vgs-Vth)Vds-Vds2/2]
(3)0<Vgs-Vth<Vdsの場合、Id_sat=[μCOXWeffLeff(Vgs-Vth)2]/2
上記μはキャリアの有効表面移動度であり、
COXはゲート酸化物容量であり、
Weffは有効チャンネル幅であり、
Leffは有効チャンネル長であり、
VgsはTFTのゲートとソース間に確立された電圧であり、
VdsはTFTのドレインとソース間に確立された電圧であり、
VthはTFTの閾値電圧であり、
Id_offはカットオフモードのTFTドレイン電流であり、
Id_linearは線形領域のTFTドレイン電流であり、
Id_satは飽和領域のTFTドレイン電流である。
10、30、60、70、80 AMOLED
12 ゲートライン
14、34、74 データライン
32 スキャンリセットライン
36、76 データ駆動回路
38、78 ゲート駆動回路
40 表示装置
50 コントローラー
51−54 電源ライン
72 スキャンライン
76 掃引ライン
92 P型TFT
94 N型TFT
100、300、600、700、800 ピクセル
102、302、702 OLED
104、304 蓄積コンデンサー
106 N型制御TFT
108 P型制御TFT
306 リセットスイッチ
308、708 駆動TFT
310、710 リレースイッチ
312、712 反転ユニット
706 制御スイッチ
Claims (20)
- 表示装置を含んだ画像表示システムであって、該表示装置は、
表示信号と掃引信号を提供するデータラインと、
スキャンリセット信号を提供するスキャンリセットラインと、
データラインに結合される第一端を有し、データラインからの電荷を蓄積する第一コンデンサーと、
第一コンデンサーの第二端に結合される入力端と、第一電圧源に結合される第一供給端と、第一電圧源より値が大きい第二電圧源に結合される第二供給端と、出力端を有する第一反転ユニットと、
第一コンデンサーの第二端と第一反転ユニットの入力端の間に結合される第一端と、第一反転ユニットの出力端に結合される第二端と、スキャンリセットラインに結合される制御端を有する第一リセットスイッチと、
第一反転ユニットの出力端に結合される制御端を有する駆動薄膜トランジスター(TFT)と、
駆動TFTの第一端と、第一電圧源より値が大きいかそれに等しい第三電圧源の間に結合される発光ユニットとを含むことを特徴とする画像表示システム。 - 前記駆動TFTの第二端は、第二電圧源より値が小さいかそれに等しい、かつ第三電圧源より値が大きい第四電圧源に結合されることを特徴とする請求項1記載の画像表示システム。
- 前記画像表示システムは更に、駆動TFTの第二端と第四電圧源の間に結合されるTFTを含むことを特徴とする請求項2記載の画像表示システム。
- 前記駆動TFTの第二端は第二電圧源に結合されることを特徴とする請求項1記載の画像表示システム。
- 前記画像表示システムは更に、
データラインに結合され、表示信号と掃引信号を生成するデータ駆動回路と、
スキャンリセットラインに結合され、スキャンリセット信号を生成するゲート駆動回路とを含むことを特徴とする請求項1記載の画像表示システム。 - 前記画像表示システムは更に、データ駆動回路の出力端とデータラインの間に結合され、データラインへの表示信号と掃引信号の通路を制御するリレースイッチを含むことを特徴とする請求項5記載の画像表示システム。
- 前記画像表示システムは更に、
第一反転ユニットの出力端に結合される入力端と、駆動TFTの制御端に結合される出力端を有する第二反転ユニットと、
第二反転ユニットの入力端に結合される第一端と、第二反転ユニットの出力端に結合される第二端と、スキャンリセットラインに結合される制御端を有する第二リセットスイッチとを含むことを特徴とする請求項1記載の画像表示システム。 - 前記画像表示システムは更に、
第一反転ユニットの出力端と第二反転ユニットの入力端の間に結合される第二コンデンサーを含むことを含むことを特徴とする請求項7記載の画像表示システム。 - 前記第二反転ユニットの第一供給端は第一電圧源に結合され、第二供給端は第二電圧源に結合されることを特徴とする請求項7記載の画像表示システム。
- 前記第二反転ユニットはCMOS(相補型金属酸化膜半導体)インバーターを含むことを含むことを特徴とする請求項7記載の画像表示システム。
- 前記第一反転ユニットはCMOSインバーターを含むことを特徴とする請求項1記載の画像表示システム。
- 前記画像表示システムは更に電子装置を含み、該電子装置は、
表示装置と、
表示装置に結合され、表示装置に出力して画像を表示させるコントローラーを含むことを特徴とする請求項1記載の画像表示装置。 - 画像表示システムであって、
表示信号と掃引信号を提供する第一データラインと、
掃引信号を提供する第二データラインと、
スキャン信号を提供するスキャンラインと、
スキャンラインに結合される制御端と、第一データラインに結合される第一端を有する制御スイッチと、
第二データラインと制御スイッチの第二端の間に結合され、第一データラインまたは第二データラインからの電荷を提供するコンデンサーと、
コンデンサーに結合された入力端と、第一電圧源に結合される第一供給端と、第一電圧源より値が大きい第二電圧源に結合される第二供給端と、出力端を有する反転ユニットと、
反転ユニットの出力端に結合される制御端を有する駆動TFTと、
駆動TFTの第一端と、第一電圧源より値が大きいかそれに等しい第三電圧源の間に結合される発光ユニットとを含むことを特徴とする画像表示システム。 - 前記駆動TFTの第二端は、第二電圧源より値が小さいかそれに等しい、かつ第三電圧源より値が大きい第四電圧源に結合されることを特徴とする請求項13記載の画像表示システム。
- 前記駆動TFTの第二端は第二電圧源に結合されることを特徴とする請求項13記載の画像表示システム。
- 前記画像表示システムは更に、
第一データラインと第二データラインに結合され、表示信号と、掃引信号と定電圧を生成するデータ駆動回路と、
スキャンラインに結合され、スキャン信号を生成するゲート駆動回路とを含むことを特徴とする請求項13記載の画像表示システム。 - 前記画像表示システムは更に、データ駆動回路の出力端と第二データラインの間に結合され、第二データラインへの表示信号と定電圧の通路を制御するリレースイッチを含むことを特徴とする請求項16記載の画像表示システム。
- 前記画像表示システムは更に電子装置を含み、該電子装置は、
表示装置と、
表示装置に結合され、表示装置に出力して画像を表示させるコントローラーを含むことを特徴とする請求項13記載の画像表示装置。 - 画像表示システムであって、
ピクセルの発光を制御するための駆動TFTを有するピクセルと、
表示信号と掃引信号をピクセルに提供するデータラインと、
スキャンリセット信号をピクセルに提供するスキャンリセットラインとを含み、そのうち駆動TFTは線形領域と飽和領域を有し、駆動TFTの動作点は線形領域にあることを特徴とする画像表示システム。 - 前記画像表示システムは更にAMOLED(アクティブマトリックス有機発光ダイオード)を含み、前記ピクセルはAMOLEDの一部をなすことを特徴とする請求項19記載の画像表示システム。
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US11/404,321 US7652646B2 (en) | 2006-04-14 | 2006-04-14 | Systems for displaying images involving reduced mura |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101547225B1 (ko) | 2007-12-26 | 2015-08-26 | 티피오 디스플레이스 코포레이션 | 전류 샘플링 방법 및 회로 |
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CA2472671A1 (en) | 2004-06-29 | 2005-12-29 | Ignis Innovation Inc. | Voltage-programming scheme for current-driven amoled displays |
CA2490858A1 (en) | 2004-12-07 | 2006-06-07 | Ignis Innovation Inc. | Driving method for compensated voltage-programming of amoled displays |
US9275579B2 (en) | 2004-12-15 | 2016-03-01 | Ignis Innovation Inc. | System and methods for extraction of threshold and mobility parameters in AMOLED displays |
US20140111567A1 (en) | 2005-04-12 | 2014-04-24 | Ignis Innovation Inc. | System and method for compensation of non-uniformities in light emitting device displays |
US10013907B2 (en) | 2004-12-15 | 2018-07-03 | Ignis Innovation Inc. | Method and system for programming, calibrating and/or compensating, and driving an LED display |
US9171500B2 (en) | 2011-05-20 | 2015-10-27 | Ignis Innovation Inc. | System and methods for extraction of parasitic parameters in AMOLED displays |
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