JP4903233B2 - 有機電界発光表示装置 - Google Patents
有機電界発光表示装置 Download PDFInfo
- Publication number
- JP4903233B2 JP4903233B2 JP2009002772A JP2009002772A JP4903233B2 JP 4903233 B2 JP4903233 B2 JP 4903233B2 JP 2009002772 A JP2009002772 A JP 2009002772A JP 2009002772 A JP2009002772 A JP 2009002772A JP 4903233 B2 JP4903233 B2 JP 4903233B2
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- Prior art keywords
- power
- node
- signal
- voltage
- light emitting
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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
- G09G3/3233—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
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/043—Compensation electrodes or other additional electrodes in matrix displays related to distortions or compensation signals, e.g. for modifying TFT threshold voltage in column 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
- 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
- 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
-
- 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
- G09G2320/04—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
-
- 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
- G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/1307—Organic Field-Effect Transistor [OFET]
Landscapes
- 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)
- Control Of El Displays (AREA)
- Electroluminescent Light Sources (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
200a,200b,200c ドライバIC
210a,210c 信号生成部
220a,220c 電源生成部
300a,300b,300c 電源供給部
Claims (2)
- 走査信号、発光制御信号、データ信号を受信し、第1電源から第2電源に、前記データ信号に対応して電流が流れ、前記データ信号は、第3電源によって維持される画素を含む画素部と、
前記データ信号、前記走査信号、前記発光制御信号を生成する信号生成部、及び前記第1電源、前記第2電源、前記第3電源を生成する電源生成部を備えるドライバICとを備え、
前記第2電源と前記第3電源とは、前記第1電源より電圧レベルが低く、
前記電源生成部は、
ハイ状態の電圧とロー状態の電圧との間に形成される複数の抵抗からなる抵抗列と、
前記抵抗列から参照電圧を選択して出力する選択部と、
前記選択部から出力される参照電圧の絶対値を大きくするチャージポンプと、
前記チャージポンプから出力される電圧を受けて前記第3電源を出力するレギュレータと、
を備え、
前記画素は、
有機発光ダイオードと、
ソースが第1ノードに接続され、ドレインが第2ノードに接続され、ゲートが第3ノードに接続される第1トランジスタと、
ソースがデータ線に接続され、ドレインが前記第1ノードに接続され、ゲートが第1走査線に接続される第2トランジスタと、
ソースが第2ノードに接続され、ドレインが第3ノードに接続され、ゲートが前記第1走査線に接続される第3トランジスタと、
ソースに初期化電圧が伝達され、ドレインが第3ノードに接続され、ゲートが第2走査線に接続される第4トランジスタと、
ソースが前記第1電源に接続され、ドレインが前記第1ノードに接続され、ゲートが発光制御線に接続される第5トランジスタと、
ソースが前記第2ノードに接続され、ドレインが有機発光ダイオードに接続され、ゲートが前記発光制御線に接続される第6トランジスタと、
第1電極が前記第3ノードに接続され、第2電極が前記第3電源に接続される第1キャパシタと、
第1電極が前記第1走査線に接続され、第2電極が前記第3ノードに接続される第2キャパシタと、
を備えることを特徴とする有機電界発光表示装置。 - 前記第2電源の電圧は、可変であ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。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080076940A KR101022106B1 (ko) | 2008-08-06 | 2008-08-06 | 유기전계발광표시장치 |
KR10-2008-0076940 | 2008-08-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010039461A JP2010039461A (ja) | 2010-02-18 |
JP4903233B2 true JP4903233B2 (ja) | 2012-03-28 |
Family
ID=41396227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009002772A Expired - Fee Related JP4903233B2 (ja) | 2008-08-06 | 2009-01-08 | 有機電界発光表示装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8269703B2 (ja) |
EP (1) | EP2151816B1 (ja) |
JP (1) | JP4903233B2 (ja) |
KR (1) | KR101022106B1 (ja) |
CN (1) | CN101645234B (ja) |
AT (1) | ATE555466T1 (ja) |
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KR100805547B1 (ko) | 2006-11-14 | 2008-02-20 | 삼성에스디아이 주식회사 | 유기 발광표시장치 및 그의 구동방법 |
JP5240538B2 (ja) * | 2006-11-15 | 2013-07-17 | カシオ計算機株式会社 | 表示駆動装置及びその駆動方法、並びに、表示装置及びその駆動方法 |
JP2008151963A (ja) * | 2006-12-15 | 2008-07-03 | Semiconductor Energy Lab Co Ltd | 半導体装置及び半導体装置の駆動方法 |
KR100833764B1 (ko) * | 2007-01-22 | 2008-05-29 | 삼성에스디아이 주식회사 | 직류-직류 컨버터를 갖는 유기 전계 발광 표시 장치 |
JP4925866B2 (ja) * | 2007-02-28 | 2012-05-09 | オンセミコンダクター・トレーディング・リミテッド | チャージポンプ回路 |
US20080225022A1 (en) * | 2007-03-15 | 2008-09-18 | Keum-Nam Kim | Organic light emitting display, and driving method thereof |
KR100858618B1 (ko) * | 2007-04-10 | 2008-09-17 | 삼성에스디아이 주식회사 | 유기전계발광 표시장치 및 그의 구동방법 |
KR100840100B1 (ko) * | 2007-07-04 | 2008-06-20 | 삼성에스디아이 주식회사 | 유기전계발광표시장치 및 그의 제조방법 |
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2008
- 2008-08-06 KR KR1020080076940A patent/KR101022106B1/ko not_active IP Right Cessation
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- 2009-07-23 US US12/508,373 patent/US8269703B2/en not_active Expired - Fee Related
- 2009-08-05 CN CN2009101603151A patent/CN101645234B/zh not_active Expired - Fee Related
- 2009-08-06 EP EP09167340A patent/EP2151816B1/en not_active Not-in-force
- 2009-08-06 AT AT09167340T patent/ATE555466T1/de active
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EP2151816B1 (en) | 2012-04-25 |
EP2151816A3 (en) | 2010-09-22 |
JP2010039461A (ja) | 2010-02-18 |
US20100033409A1 (en) | 2010-02-11 |
KR101022106B1 (ko) | 2011-03-17 |
CN101645234B (zh) | 2012-08-22 |
ATE555466T1 (de) | 2012-05-15 |
KR20100018255A (ko) | 2010-02-17 |
CN101645234A (zh) | 2010-02-10 |
EP2151816A2 (en) | 2010-02-10 |
US8269703B2 (en) | 2012-09-18 |
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