JP5196744B2 - アクティブマトリクス型の表示装置 - Google Patents
アクティブマトリクス型の表示装置 Download PDFInfo
- Publication number
- JP5196744B2 JP5196744B2 JP2006181671A JP2006181671A JP5196744B2 JP 5196744 B2 JP5196744 B2 JP 5196744B2 JP 2006181671 A JP2006181671 A JP 2006181671A JP 2006181671 A JP2006181671 A JP 2006181671A JP 5196744 B2 JP5196744 B2 JP 5196744B2
- Authority
- JP
- Japan
- Prior art keywords
- light emission
- switch element
- period
- circuit
- emission period
- Prior art date
- 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.)
- Expired - Fee Related
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- 239000011159 matrix material Substances 0.000 title claims description 17
- 239000003990 capacitor Substances 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 230000007423 decrease Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- 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
-
- 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]
- G09G3/3266—Details of drivers for scan 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
- 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
- G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal 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
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- 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
- G09G3/3241—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 the current through the light-emitting element being set using a data current provided by the data driver, e.g. by using a two-transistor current mirror
- G09G3/325—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 the current through the light-emitting element being set using a data current provided by the data driver, e.g. by using a two-transistor current mirror the data current flowing through the driving transistor during a setting phase, e.g. by using a switch for connecting the driving transistor to the data driver
-
- 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
Description
図1は、本発明の実施形態1としての表示装置の構成を示すブロック図である。
図5は、本発明の実施形態2としての表示装置の構成を示すブロック図である。
実施形態1及び実施形態2では、発光強度で階調を刻む画素回路をもつ表示装置に対して、発光期間を面内で分布を持たせて制御することで、画面中央の見かけの輝度を向上させていた。
12 走査線駆動回路
13 画素回路
14 水平発光期間制御回路
41 列電流駆動回路
42 走査線駆動回路
43 画素回路
44 水平発光期間制御回路
45 垂直発光期間制御回路
81 インバータ回路
82 記憶回路
101 列電流駆動回路
102 走査線駆動回路
103 画素回路
Claims (2)
- 情報を示す電気信号を保持するキャパシタと、当該キャパシタに保持された情報に応じた駆動電流を出力する駆動トランジスタと、当該駆動トランジスタから出力された電流に応じた輝度で発光する発光素子と、当該発光素子の発光または非発光を選択制御するスイッチ素子とを備え、前記キャパシタの一端が前記駆動トランジスタの制御端子に接続される画素回路が複数配置された表示部と、
前記画素回路の行毎に設けられた走査線と、
前記画素回路の列毎に設けられた情報線と、
前記走査線と平行に設けられた複数の第1発光期間制御用信号線と、
前記情報線と平行に設けられた複数の第2発光期間制御用信号線と、
を備えるアクティブマトリクス型の表示装置であって、
前記発光素子の発光期間が前記表示部の中心領域から周辺領域に向かって減少するように前記スイッチ素子を制御する制御手段を備え、
前記スイッチ素子は、直列接続された第1のスイッチ素子と第2のスイッチ素子とを備え、
前記第1のスイッチ素子が、前記第1発光期間制御用信号線に接続され、
前記第2のスイッチ素子が、前記第2発光期間制御用信号線に接続され、
前記制御手段が、
1垂直期間と同じ周期であって、かつ、前記第1のスイッチ素子が導通する期間を前記表示部の中央の行から周辺の行に向かって短くする信号を前記複数の第1発光期間制御用信号線に供給し、
1水平期間と同じ又はそれよりも短い周期であって、かつ、前記第2のスイッチ素子が導通する期間を前記表示部の中央の列から周辺の列に向かって短くする信号を前記第2発光期間制御用信号線に供給することを特徴とするアクティブマトリクス型の表示装置。 - 前記スイッチ素子は、前記駆動トランジスタと前記発光素子との間に設けられていることを特徴とする請求項1に記載のアクティブマトリクス型の表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006181671A JP5196744B2 (ja) | 2006-06-30 | 2006-06-30 | アクティブマトリクス型の表示装置 |
US11/755,938 US7965269B2 (en) | 2006-06-30 | 2007-05-31 | Active matrix type display apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006181671A JP5196744B2 (ja) | 2006-06-30 | 2006-06-30 | アクティブマトリクス型の表示装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008009280A JP2008009280A (ja) | 2008-01-17 |
JP2008009280A5 JP2008009280A5 (ja) | 2010-03-04 |
JP5196744B2 true JP5196744B2 (ja) | 2013-05-15 |
Family
ID=39067541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006181671A Expired - Fee Related JP5196744B2 (ja) | 2006-06-30 | 2006-06-30 | アクティブマトリクス型の表示装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7965269B2 (ja) |
JP (1) | JP5196744B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010164619A (ja) * | 2009-01-13 | 2010-07-29 | Hitachi Displays Ltd | 画像表示装置 |
WO2020049707A1 (ja) | 2018-09-07 | 2020-03-12 | シャープ株式会社 | 表示装置およびその駆動方法 |
CN114207701A (zh) * | 2019-08-01 | 2022-03-18 | 谷歌有限责任公司 | 用于多像素密度oled显示器的脉冲宽度调制 |
CN110648630B (zh) * | 2019-09-26 | 2021-02-05 | 京东方科技集团股份有限公司 | 像素驱动电路、像素驱动方法、显示面板和显示装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3115727B2 (ja) | 1993-03-25 | 2000-12-11 | パイオニア株式会社 | プラズマディスプレイパネルの駆動装置 |
GB9812742D0 (en) * | 1998-06-12 | 1998-08-12 | Philips Electronics Nv | Active matrix electroluminescent display devices |
JP3797174B2 (ja) * | 2000-09-29 | 2006-07-12 | セイコーエプソン株式会社 | 電気光学装置及びその駆動方法、並びに電子機器 |
JP2002116728A (ja) * | 2000-10-10 | 2002-04-19 | Matsushita Electric Ind Co Ltd | 表示装置 |
AU2003218204A1 (en) * | 2002-03-20 | 2003-10-08 | Faro Technologies, Inc. | Coordinate measurement system and method |
KR101017797B1 (ko) * | 2002-04-26 | 2011-02-28 | 도시바 모바일 디스플레이 가부시키가이샤 | El 표시 장치 및 el 표시 장치의 구동 방법 |
JP4151756B2 (ja) * | 2002-05-30 | 2008-09-17 | 株式会社日立プラズマパテントライセンシング | プラズマ表示装置 |
JP3855868B2 (ja) * | 2002-07-11 | 2006-12-13 | 株式会社日立製作所 | 表示装置 |
US20040017355A1 (en) * | 2002-07-24 | 2004-01-29 | Youngtack Shim | Cursor control systems and methods |
JP3949040B2 (ja) | 2002-09-25 | 2007-07-25 | 東北パイオニア株式会社 | 発光表示パネルの駆動装置 |
JP4737587B2 (ja) * | 2004-06-18 | 2011-08-03 | 奇美電子股▲ふん▼有限公司 | 表示装置の駆動方法 |
JP4274070B2 (ja) * | 2004-07-23 | 2009-06-03 | ソニー株式会社 | 表示装置及びその駆動方法 |
JP4600317B2 (ja) * | 2005-03-31 | 2010-12-15 | カシオ計算機株式会社 | 指向性を持った少なくとも2つの照明光を出射する照明装置及びそれを用いた表示装置 |
KR100653846B1 (ko) * | 2005-04-11 | 2006-12-05 | 실리콘 디스플레이 (주) | 유기 발광 다이오드의 구동 회로 및 구동 방법 |
JP4881576B2 (ja) * | 2005-05-13 | 2012-02-22 | 株式会社日立製作所 | プラズマディスプレイ装置 |
JP5082532B2 (ja) * | 2007-03-26 | 2012-11-28 | ソニー株式会社 | 表示装置及びその駆動方法と電子機器 |
-
2006
- 2006-06-30 JP JP2006181671A patent/JP5196744B2/ja not_active Expired - Fee Related
-
2007
- 2007-05-31 US US11/755,938 patent/US7965269B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7965269B2 (en) | 2011-06-21 |
US20080042937A1 (en) | 2008-02-21 |
JP2008009280A (ja) | 2008-01-17 |
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