JP5236324B2 - 表示パネル - Google Patents
表示パネル Download PDFInfo
- Publication number
- JP5236324B2 JP5236324B2 JP2008070549A JP2008070549A JP5236324B2 JP 5236324 B2 JP5236324 B2 JP 5236324B2 JP 2008070549 A JP2008070549 A JP 2008070549A JP 2008070549 A JP2008070549 A JP 2008070549A JP 5236324 B2 JP5236324 B2 JP 5236324B2
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- JP
- Japan
- Prior art keywords
- transistor
- potential
- reset
- line
- gate
- 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.)
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- 239000003990 capacitor Substances 0.000 claims description 42
- 230000008878 coupling Effects 0.000 claims description 28
- 238000010168 coupling process Methods 0.000 claims description 28
- 238000005859 coupling reaction Methods 0.000 claims description 28
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010409 thin film 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
- 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
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
-
- 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
- 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
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Description
Highデータを書き込む場合にはデータライン7にHigh電位Vh(>Vp)を供給し、選択ライン8をLowとして保持容量5にカップリング容量6を介してゲート電位Vg=Vr+(Vh−Vp)を書き込むことで、駆動トランジスタ2をオフすることができる。必要に応じてプリセット電位Vpは任意に設定してもよい。
Claims (2)
- マトリクス状に配置された画素を有する表示パネルであって、
各画素は、
一端がデータラインに接続されたカップリング容量と、
このカップリング容量の他端に一端が接続され、ゲートが選択ラインに接続された選択トランジスタと、
この選択トランジスタの他端がゲートに接続され、ゲート電位に応じた電流を流す駆動トランジスタと、
この駆動トランジスタのドレインに接続され、駆動トランジスタに流れる電流を流して発光する発光素子と、
この駆動トランジスタと発光素子の接続点に一端が接続され、他端が前記カップリング容量と選択トランジスタの接続点に接続され、ゲートがリセットラインに接続されたリセットトランジスタと、
駆動トランジスタのゲートに接続され、ゲート電位を保持する保持容量と、
を含み、
(a)データラインの電圧を一定に維持した状態で、選択トランジスタをオフした状態でリセットトランジスタをオンすることでカップリング容量に駆動トランジスタのドレイン側の電位を書き込み、
(b)その後リセットトランジスタをオフした状態で選択トランジスタをオンすることで、カップリング容量に書き込んだ電位を保持容量に書き込み駆動トランジスタのゲート電位を反転し、
(c)前記(a)及び(b)の動作をもう一度行うことで駆動トランジスタのゲート電位を元の状態に戻し、データラインの電位を変更することなく、保持容量に書き込まれた電圧を維持することを特徴とする表示パネル。 - 請求項1に記載の表示パネルにおいて、
前記画素を複数個まとめて単位画素とし、1つの単位がその中の各画素の選択トランジスタはそれぞれ異なる選択ラインに接続し、各画素のリセットトランジスタは共通のリセットラインに接続することを特徴とする表示パネル。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008070549A JP5236324B2 (ja) | 2008-03-19 | 2008-03-19 | 表示パネル |
US12/922,673 US20110199359A1 (en) | 2008-03-19 | 2009-03-17 | Display panel |
CN2009801095631A CN101978414B (zh) | 2008-03-19 | 2009-03-17 | 显示像素及向显示像素内的发光元件提供电流的方法 |
KR1020107023357A KR20100126529A (ko) | 2008-03-19 | 2009-03-17 | 디스플레이 패널 |
EP09721681.6A EP2272059B1 (en) | 2008-03-19 | 2009-03-17 | Display panel |
PCT/US2009/001682 WO2009117092A1 (en) | 2008-03-19 | 2009-03-17 | Display panel |
US14/184,879 US9324249B2 (en) | 2008-03-19 | 2014-02-20 | Electroluminescent display panel with reduced power consumption |
US15/074,770 US9552760B2 (en) | 2008-03-19 | 2016-03-18 | Display panel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008070549A JP5236324B2 (ja) | 2008-03-19 | 2008-03-19 | 表示パネル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009223242A JP2009223242A (ja) | 2009-10-01 |
JP5236324B2 true JP5236324B2 (ja) | 2013-07-17 |
Family
ID=40589714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008070549A Active JP5236324B2 (ja) | 2008-03-19 | 2008-03-19 | 表示パネル |
Country Status (6)
Country | Link |
---|---|
US (3) | US20110199359A1 (ja) |
EP (1) | EP2272059B1 (ja) |
JP (1) | JP5236324B2 (ja) |
KR (1) | KR20100126529A (ja) |
CN (1) | CN101978414B (ja) |
WO (1) | WO2009117092A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8704809B2 (en) * | 2009-06-12 | 2014-04-22 | Sharp Kabushiki Kaisha | Pixel circuit and display device |
WO2010143612A1 (ja) | 2009-06-12 | 2010-12-16 | シャープ株式会社 | 画素回路および表示装置 |
JP5399198B2 (ja) | 2009-10-08 | 2014-01-29 | グローバル・オーエルイーディー・テクノロジー・リミテッド・ライアビリティ・カンパニー | 画素回路および表示装置 |
CN102646389B (zh) * | 2011-09-09 | 2014-07-23 | 京东方科技集团股份有限公司 | Oled面板及oled面板驱动方法 |
JP6128738B2 (ja) * | 2012-02-28 | 2017-05-17 | キヤノン株式会社 | 画素回路及びその駆動方法 |
KR101984196B1 (ko) * | 2012-12-13 | 2019-05-31 | 삼성디스플레이 주식회사 | 화소 회로 및 이를 포함하는 유기 발광 표시 장치 |
CN103093723A (zh) * | 2013-03-04 | 2013-05-08 | 陈鑫 | 用于有机发光二极管的可进行阈值补偿的主动式像素驱动电路 |
KR20150138527A (ko) | 2014-05-29 | 2015-12-10 | 삼성디스플레이 주식회사 | 화소 회로 및 이를 포함하는 전계발광 디스플레이 장치 |
KR102583838B1 (ko) * | 2017-01-17 | 2023-10-05 | 삼성디스플레이 주식회사 | 화소 및 이를 이용한 유기전계발광 표시장치 |
KR102575662B1 (ko) | 2017-02-06 | 2023-09-07 | 삼성디스플레이 주식회사 | 화소 및 이를 포함하는 표시 장치 |
KR102660207B1 (ko) * | 2017-02-09 | 2024-04-25 | 삼성디스플레이 주식회사 | 화소 및 이를 포함하는 표시 장치 |
KR102432347B1 (ko) | 2018-02-28 | 2022-08-16 | 삼성디스플레이 주식회사 | 화소 회로 및 유기 발광 표시 장치 |
KR102480426B1 (ko) * | 2018-03-15 | 2022-12-22 | 삼성디스플레이 주식회사 | 표시 장치 및 그 구동 방법 |
CN111210767A (zh) * | 2020-03-05 | 2020-05-29 | 深圳市华星光电半导体显示技术有限公司 | 像素驱动电路及其驱动方法、显示面板 |
CN111445858B (zh) * | 2020-04-20 | 2024-09-03 | 昆山国显光电有限公司 | 像素电路及其驱动方法、显示装置 |
CN111768742B (zh) * | 2020-07-17 | 2021-06-01 | 武汉华星光电技术有限公司 | 像素驱动电路及显示面板 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6229508B1 (en) * | 1997-09-29 | 2001-05-08 | Sarnoff Corporation | Active matrix light emitting diode pixel structure and concomitant method |
JP2002333870A (ja) | 2000-10-31 | 2002-11-22 | Matsushita Electric Ind Co Ltd | 液晶表示装置、el表示装置及びその駆動方法、並びに副画素の表示パターン評価方法 |
JP4982014B2 (ja) * | 2001-06-21 | 2012-07-25 | 株式会社日立製作所 | 画像表示装置 |
JP2003330422A (ja) | 2002-05-17 | 2003-11-19 | Hitachi Ltd | 画像表示装置 |
JP4019843B2 (ja) * | 2002-07-31 | 2007-12-12 | セイコーエプソン株式会社 | 電子回路、電子回路の駆動方法、電気光学装置、電気光学装置の駆動方法及び電子機器 |
JP3832415B2 (ja) * | 2002-10-11 | 2006-10-11 | ソニー株式会社 | アクティブマトリクス型表示装置 |
JP4049037B2 (ja) * | 2003-06-30 | 2008-02-20 | ソニー株式会社 | 表示装置およびその駆動方法 |
GB2411758A (en) * | 2004-03-04 | 2005-09-07 | Seiko Epson Corp | Pixel circuit |
JP2005331891A (ja) | 2004-05-21 | 2005-12-02 | Eastman Kodak Co | 表示装置 |
JP4834876B2 (ja) * | 2004-06-25 | 2011-12-14 | 京セラ株式会社 | 画像表示装置 |
JP5308656B2 (ja) * | 2007-12-10 | 2013-10-09 | グローバル・オーエルイーディー・テクノロジー・リミテッド・ライアビリティ・カンパニー | 画素回路 |
-
2008
- 2008-03-19 JP JP2008070549A patent/JP5236324B2/ja active Active
-
2009
- 2009-03-17 EP EP09721681.6A patent/EP2272059B1/en active Active
- 2009-03-17 US US12/922,673 patent/US20110199359A1/en not_active Abandoned
- 2009-03-17 CN CN2009801095631A patent/CN101978414B/zh active Active
- 2009-03-17 KR KR1020107023357A patent/KR20100126529A/ko not_active Application Discontinuation
- 2009-03-17 WO PCT/US2009/001682 patent/WO2009117092A1/en active Application Filing
-
2014
- 2014-02-20 US US14/184,879 patent/US9324249B2/en active Active
-
2016
- 2016-03-18 US US15/074,770 patent/US9552760B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9552760B2 (en) | 2017-01-24 |
EP2272059B1 (en) | 2019-06-12 |
WO2009117092A1 (en) | 2009-09-24 |
KR20100126529A (ko) | 2010-12-01 |
CN101978414B (zh) | 2013-01-30 |
EP2272059A1 (en) | 2011-01-12 |
US20140176006A1 (en) | 2014-06-26 |
US20110199359A1 (en) | 2011-08-18 |
US9324249B2 (en) | 2016-04-26 |
CN101978414A (zh) | 2011-02-16 |
US20160203756A1 (en) | 2016-07-14 |
JP2009223242A (ja) | 2009-10-01 |
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