JP2009031710A - 有機電界発光表示装置及びその駆動方法 - Google Patents
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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
-
- 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
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- 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
-
- 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]
-
- 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
- G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
-
- 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
- G09G2320/041—Temperature compensation
-
- 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
-
- 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
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
- G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
【解決手段】1フレームに含まれた複数のサブフレームの走査期間ごとに、走査線に走査信号を順次供給するための走査駆動部と、前記走査信号が供給されるとき、データ線にデータ信号を供給するためのデータ駆動部と、パネルの有効表示領域で前記走査線及びデータ線に接続されるように位置し、第1電源及び第2電源が供給されて駆動される画素と、前記パネルの非表示領域に位置する少なくとも1つ以上のダミー有機発光ダイオードと、該ダミー有機発光ダイオードに電流を供給し、該電流に対応して前記ダミー有機発光ダイオードに印加された電圧を用いて前記第1電源を生成するための電源ブロックと、を備える。
【選択図】図2
Description
20 データ駆動部
30 画素部
40 画素
50 タイミング制御部
60 電流源
70 アンプ
80 比較部
90 電源部
100 電源ブロック
Claims (13)
- 1フレームに含まれた複数のサブフレームの走査期間ごとに、走査線に走査信号を順次供給するための走査駆動部と、
前記走査信号が供給されるとき、データ線にデータ信号を供給するためのデータ駆動部と、
パネルの有効表示領域で前記走査線及び前記データ線に接続されるように位置し、第1電源及び第2電源が供給されて駆動される画素と、
前記パネルの非表示領域に位置する少なくとも1つ以上のダミー有機発光ダイオードと、
前記ダミー有機発光ダイオードに電流を供給し、該電流に対応して前記ダミー有機発光ダイオードに印加された電圧を用いて前記第1電源を生成するための電源ブロックと、
を備えることを特徴とする有機電界発光表示装置。 - 前記電源ブロックは、
前記第1電源を生成するための電源部と、
前記ダミー有機発光ダイオードに電流を供給するための電流源と、
前記電流が供給されるとき、前記ダミー有機発光ダイオードに印加された電圧を比較部に伝達するためのアンプと、
前記第1電源及び前記アンプから供給される電圧を比較し、前記電源部に供給するための比較部と、を備え、
前記電源部は、前記アンプから供給される電圧と同じ電圧になるように前記第1電源の電圧値を調整することを特徴とする請求項1に記載の有機電界発光表示装置。 - 前記少なくとも1つのダミー有機発光ダイオードは、前記電流源と前記第2電源との間に並列に接続されることを特徴とする請求項2に記載の有機電界発光表示装置。
- 前記電流源の電流値は、前記画素に所望の一定の電流が流れることができるように設定されることを特徴とする請求項2に記載の有機電界発光表示装置。
- 前記電流源と前記ダミー有機発光ダイオードとの間に位置するスイッチング素子をさらに備えることを特徴とする請求項2に記載の有機電界発光表示装置。
- 前記スイッチング素子は、1フレーム期間中の一部期間にターンオンされることを特徴とする請求項5に記載の有機電界発光表示装置。
- 前記アンプは、前記スイッチング素子がターンオンされるとき、前記ダミー有機発光ダイオードに印加された電圧を、前記1フレーム期間保持しつつ、前記比較部に供給することを特徴とする請求項6に記載の有機電界発光表示装置。
- 前記アンプは、ピークツーピークホールドアンプ(Peak to Peak Hold Amp)であることを特徴とする請求項7に記載の有機電界発光表示装置。
- 前記データ駆動部は、前記走査信号が供給される期間、前記データ線に前記画素が発光可能な第1データ信号及び前記画素が発光しない第2データ信号のいずれか1つを供給することを特徴とする請求項1に記載の有機電界発光表示装置。
- 1フレームが複数のサブフレームに分けられ、該サブフレーム期間に供給されるデータ信号に対応して、第1電源から第2電源に電流の供給の有無を制御する画素を含む有機電界発光表示装置の駆動方法において、
電流源を用いてパネルの非表示領域に形成される少なくとも1つのダミー有機発光ダイオードに電流を供給するステップと、
前記電流が供給されるとき、前記ダミー有機発光ダイオードに印加される電圧を用いて前記第1電源を生成するステップと、
を含むことを特徴とする有機電界発光表示装置の駆動方法。 - 前記第1電源の電圧は、前記ダミー有機発光ダイオードに印加される電圧と同一に設定されることを特徴とする請求項10に記載の有機電界発光表示装置の駆動方法。
- 前記電流源の電流は、前記1フレーム期間中の一部期間、前記ダミー有機発光ダイオードに供給されることを特徴とする請求項10に記載の有機電界発光表示装置の駆動方法。
- 前記少なくとも1つのダミー有機発光ダイオードは、前記電流源と前記第2電源との間に並列に接続されることを特徴とする請求項10に記載の有機電界発光表示装置の駆動方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070075558A KR20090011702A (ko) | 2007-07-27 | 2007-07-27 | 유기전계발광 표시장치 |
Publications (1)
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JP2009031710A true JP2009031710A (ja) | 2009-02-12 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007249604A Pending JP2009031710A (ja) | 2007-07-27 | 2007-09-26 | 有機電界発光表示装置及びその駆動方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090027315A1 (ja) |
JP (1) | JP2009031710A (ja) |
KR (1) | KR20090011702A (ja) |
CN (1) | CN101355833A (ja) |
TW (1) | TW200917201A (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011118300A (ja) * | 2009-12-07 | 2011-06-16 | Sony Corp | 表示装置およびその駆動方法ならびに電子機器 |
KR101717135B1 (ko) * | 2010-08-31 | 2017-03-28 | 삼성디스플레이 주식회사 | 유기전계발광 표시장치 및 그의 구동방법 |
KR102097476B1 (ko) * | 2013-08-12 | 2020-04-07 | 삼성디스플레이 주식회사 | 유기 전계 발광 표시 장치 및 이의 구동 방법 |
KR102194578B1 (ko) | 2014-08-22 | 2020-12-24 | 삼성디스플레이 주식회사 | 유기전계발광 표시장치 및 그의 구동방법 |
KR102472783B1 (ko) * | 2016-02-29 | 2022-12-02 | 삼성디스플레이 주식회사 | 표시 장치 및 열화 보상 방법 |
CN106328060B (zh) * | 2016-09-07 | 2019-02-12 | 深圳市华星光电技术有限公司 | 一种amoled面板及该面板像素驱动电路的漂移补偿方法 |
CN107342045A (zh) * | 2017-08-25 | 2017-11-10 | 武汉华星光电半导体显示技术有限公司 | Amoled显示面板及显示装置 |
CN110459164B (zh) * | 2019-07-26 | 2020-12-08 | 深圳市华星光电半导体显示技术有限公司 | 像素驱动电路及显示装置 |
CN110689848B (zh) * | 2019-12-10 | 2020-04-14 | 京东方科技集团股份有限公司 | 显示装置和驱动方法 |
CN113410262B (zh) * | 2020-08-10 | 2023-07-04 | 錼创显示科技股份有限公司 | 微型发光二极管显示面板 |
Citations (6)
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---|---|---|---|---|
JP2002072964A (ja) * | 2000-06-13 | 2002-03-12 | Semiconductor Energy Lab Co Ltd | 表示装置 |
JP2005107003A (ja) * | 2003-09-29 | 2005-04-21 | Tohoku Pioneer Corp | 自発光型表示装置 |
WO2005098806A1 (en) * | 2004-04-08 | 2005-10-20 | Stmicroelectronics S.R.L. | Driver for an oled passive-matrix display |
JP2006011388A (ja) * | 2004-05-21 | 2006-01-12 | Semiconductor Energy Lab Co Ltd | 表示装置及びその駆動方法並びに電子機器 |
JP2006079077A (ja) * | 2004-08-13 | 2006-03-23 | Semiconductor Energy Lab Co Ltd | 発光装置及びその駆動方法 |
JP2006323155A (ja) * | 2005-05-19 | 2006-11-30 | Tohoku Pioneer Corp | 発光表示パネルの駆動装置および駆動方法 |
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---|---|---|---|---|
US6900484B2 (en) * | 2003-07-30 | 2005-05-31 | Micron Technology, Inc. | Angled pinned photodiode for high quantum efficiency |
US7245297B2 (en) * | 2004-05-22 | 2007-07-17 | Semiconductor Energy Laboratory Co., Ltd. | Display device and electronic device |
US7635863B2 (en) * | 2005-10-18 | 2009-12-22 | Semiconductor Energy Laboratory Co., Ltd. | Display device and electronic apparatus having the display device |
EP1808844B1 (en) * | 2006-01-13 | 2012-10-31 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
-
2007
- 2007-07-27 KR KR1020070075558A patent/KR20090011702A/ko not_active Application Discontinuation
- 2007-09-26 JP JP2007249604A patent/JP2009031710A/ja active Pending
-
2008
- 2008-07-24 CN CNA2008101340768A patent/CN101355833A/zh active Pending
- 2008-07-25 US US12/220,561 patent/US20090027315A1/en not_active Abandoned
- 2008-07-25 TW TW097128523A patent/TW200917201A/zh unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002072964A (ja) * | 2000-06-13 | 2002-03-12 | Semiconductor Energy Lab Co Ltd | 表示装置 |
JP2005107003A (ja) * | 2003-09-29 | 2005-04-21 | Tohoku Pioneer Corp | 自発光型表示装置 |
WO2005098806A1 (en) * | 2004-04-08 | 2005-10-20 | Stmicroelectronics S.R.L. | Driver for an oled passive-matrix display |
JP2006011388A (ja) * | 2004-05-21 | 2006-01-12 | Semiconductor Energy Lab Co Ltd | 表示装置及びその駆動方法並びに電子機器 |
JP2006079077A (ja) * | 2004-08-13 | 2006-03-23 | Semiconductor Energy Lab Co Ltd | 発光装置及びその駆動方法 |
JP2006323155A (ja) * | 2005-05-19 | 2006-11-30 | Tohoku Pioneer Corp | 発光表示パネルの駆動装置および駆動方法 |
Also Published As
Publication number | Publication date |
---|---|
TW200917201A (en) | 2009-04-16 |
US20090027315A1 (en) | 2009-01-29 |
KR20090011702A (ko) | 2009-02-02 |
CN101355833A (zh) | 2009-01-28 |
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