JP5955073B2 - 表示装置及び表示装置の駆動方法 - Google Patents
表示装置及び表示装置の駆動方法 Download PDFInfo
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- JP5955073B2 JP5955073B2 JP2012098113A JP2012098113A JP5955073B2 JP 5955073 B2 JP5955073 B2 JP 5955073B2 JP 2012098113 A JP2012098113 A JP 2012098113A JP 2012098113 A JP2012098113 A JP 2012098113A JP 5955073 B2 JP5955073 B2 JP 5955073B2
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- voltage
- current
- circuit
- transistor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title description 4
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 description 24
- 238000005401 electroluminescence Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/001—Arbitration of resources in a display system, e.g. control of access to frame buffer by video controller and/or main processor
-
- 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
- G09G3/3233—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 current through the light-emitting element
-
- 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
-
- 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
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0465—Improved aperture ratio, e.g. by size reduction of the pixel circuit, e.g. for improving the pixel density or the maximum displayable luminance or brightness
-
- 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
-
- 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
-
- 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
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
Description
前記検出手段にて検出された電圧に画像情報に応じた電圧を加算して、前記データ線に供給する手段と、を有し、前記検出手段は、所定範囲の電位を走査してデータ線に供給する電圧走査回路、前記駆動トランジスタに流れる電流を電圧に変換する電流―電圧変換回路、前記電流―電圧変換回路から出力される電圧と参照電圧とを比較する比較手段、を有し、前記電流―電圧変換回路の入力は、前記フィードバック線によって行われ、前記フィードバック線の電圧は、一定の電圧に制御されるものであり、前記電流―電圧変換回路から出力される電圧が前記参照電圧に等しくなったところで、前記走査を停止する信号を出力
することを特徴とする。
2 行駆動回路
3 列駆動回路
4 走査線
5 電源線
6 データ線
7 フィードバック線
8 発光素子
9 駆動回路
10 表示装置
11 駆動トランジスタ
12 第1スイッチ
13 第2スイッチ
17 電圧増幅器
18 容量
19 データ生成回路
20 電流検出手段
21 電圧走査手段
22 電流―電圧変換回路
23 コンパレータ
24 加算回路
25 電圧走査回路
Claims (1)
- 行方向および列方向に配列された画素と、前記画素の列ごとに設けられたデータ線およびフィードバック線と、前記データ線およびフィードバック線に接続された列制御回路と、を備える表示装置であって、
前記画素ごとに発光素子と前記発光素子を駆動する駆動回路が設けられており、
前記駆動回路は、前記発光素子に流れる電流を制御する駆動トランジスタを有し、
前記列制御回路は、前記駆動トランジスタに所定の電流が流れる時の前記駆動トランジスタのゲートとソース間の電圧を検出する検出手段と、
前記検出手段にて検出された電圧にデータ電圧を加算して、前記データ線に供給する手段と、を有し、前記検出手段は、所定範囲の電位を走査してデータ線に供給する電圧走査回路、前記駆動トランジスタに流れる電流を電圧に変換する電流―電圧変換回路、前記電流―電圧変換回路から出力される電圧と参照電圧とを比較する比較手段、を有し、前記電流―電圧変換回路の入力は、前記フィードバック線によって行われ、前記フィードバック線の電圧は、一定の電圧に制御されるものであり、前記電流―電圧変換回路から出力される電圧が前記参照電圧に等しくなったところで、前記走査を停止する信号を出力
することを特徴とする表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012098113A JP5955073B2 (ja) | 2012-04-23 | 2012-04-23 | 表示装置及び表示装置の駆動方法 |
CN201310134380.3A CN103377618B (zh) | 2012-04-23 | 2013-04-18 | 显示装置和用于显示装置的驱动方法 |
US13/866,531 US9035935B2 (en) | 2012-04-23 | 2013-04-19 | Display apparatus and driving method for display apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012098113A JP5955073B2 (ja) | 2012-04-23 | 2012-04-23 | 表示装置及び表示装置の駆動方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013225077A JP2013225077A (ja) | 2013-10-31 |
JP5955073B2 true JP5955073B2 (ja) | 2016-07-20 |
Family
ID=49379667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012098113A Expired - Fee Related JP5955073B2 (ja) | 2012-04-23 | 2012-04-23 | 表示装置及び表示装置の駆動方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9035935B2 (ja) |
JP (1) | JP5955073B2 (ja) |
CN (1) | CN103377618B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102016153B1 (ko) * | 2013-05-10 | 2019-08-30 | 삼성디스플레이 주식회사 | 표시 장치, 표시 장치의 구동 제어 장치 및 그 제어 방법 |
KR102045316B1 (ko) * | 2013-11-28 | 2019-11-18 | 엘지디스플레이 주식회사 | 유기발광표시장치 및 그 구동방법 |
CN111129039B (zh) | 2013-12-27 | 2024-04-16 | 株式会社半导体能源研究所 | 发光装置 |
CN108154831B (zh) * | 2018-01-02 | 2021-01-26 | 京东方科技集团股份有限公司 | 移位寄存器单元的检测电路和方法、控制电路、显示装置 |
CN108898989A (zh) * | 2018-07-11 | 2018-11-27 | 杭州视芯科技有限公司 | Led显示装置及其驱动方法 |
CN109559691B (zh) * | 2018-12-05 | 2020-12-29 | 惠科股份有限公司 | 显示面板和显示装置 |
JP7324093B2 (ja) * | 2019-09-02 | 2023-08-09 | キヤノン株式会社 | 駆動装置および記録装置 |
US11670224B1 (en) * | 2022-01-06 | 2023-06-06 | Novatek Microelectronics Corp. | Driving circuit for LED panel and LED panel thereof |
CN115206260B (zh) * | 2022-07-28 | 2024-04-16 | 福州京东方光电科技有限公司 | 驱动电路、显示装置和充电补偿方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100370095B1 (ko) * | 2001-01-05 | 2003-02-05 | 엘지전자 주식회사 | 표시 소자의 액티브 매트릭스 방식의 구동 회로 |
JP3800050B2 (ja) * | 2001-08-09 | 2006-07-19 | 日本電気株式会社 | 表示装置の駆動回路 |
JP3833100B2 (ja) * | 2001-11-08 | 2006-10-11 | キヤノン株式会社 | アクティブマトリックス型ディスプレイ |
JP3613253B2 (ja) | 2002-03-14 | 2005-01-26 | 日本電気株式会社 | 電流制御素子の駆動回路及び画像表示装置 |
JP3950845B2 (ja) * | 2003-03-07 | 2007-08-01 | キヤノン株式会社 | 駆動回路及びその評価方法 |
GB0320503D0 (en) * | 2003-09-02 | 2003-10-01 | Koninkl Philips Electronics Nv | Active maxtrix display devices |
JP5128287B2 (ja) * | 2004-12-15 | 2013-01-23 | イグニス・イノベイション・インコーポレーテッド | 表示アレイのためのリアルタイム校正を行う方法及びシステム |
CA2490860A1 (en) * | 2004-12-15 | 2006-06-15 | Ignis Innovation Inc. | Real-time calibration scheduling method and algorithm for amoled displays |
JP5010949B2 (ja) | 2007-03-07 | 2012-08-29 | 株式会社ジャパンディスプレイイースト | 有機el表示装置 |
JP5240544B2 (ja) * | 2007-03-30 | 2013-07-17 | カシオ計算機株式会社 | 表示装置及びその駆動方法、並びに、表示駆動装置及びその駆動方法 |
JP2009008799A (ja) * | 2007-06-27 | 2009-01-15 | Sharp Corp | 表示装置およびその駆動方法 |
CN100578591C (zh) * | 2008-04-15 | 2010-01-06 | 上海广电光电子有限公司 | 有源矩阵有机发光显示器件的驱动电路 |
JP2011141418A (ja) * | 2010-01-07 | 2011-07-21 | Sony Corp | 表示装置、光検出方法、電子機器 |
JP6141048B2 (ja) * | 2012-04-23 | 2017-06-07 | キヤノン株式会社 | 発光素子の駆動装置および表示装置 |
-
2012
- 2012-04-23 JP JP2012098113A patent/JP5955073B2/ja not_active Expired - Fee Related
-
2013
- 2013-04-18 CN CN201310134380.3A patent/CN103377618B/zh active Active
- 2013-04-19 US US13/866,531 patent/US9035935B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2013225077A (ja) | 2013-10-31 |
US9035935B2 (en) | 2015-05-19 |
CN103377618B (zh) | 2016-06-15 |
US20130278586A1 (en) | 2013-10-24 |
CN103377618A (zh) | 2013-10-30 |
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