JP5198374B2 - 信号駆動装置 - Google Patents
信号駆動装置 Download PDFInfo
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- JP5198374B2 JP5198374B2 JP2009160944A JP2009160944A JP5198374B2 JP 5198374 B2 JP5198374 B2 JP 5198374B2 JP 2009160944 A JP2009160944 A JP 2009160944A JP 2009160944 A JP2009160944 A JP 2009160944A JP 5198374 B2 JP5198374 B2 JP 5198374B2
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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
- 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
- G09G2300/0804—Sub-multiplexed active matrix panel, i.e. wherein one active driving circuit is used at pixel level for multiple image producing 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
- G09G2300/08—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
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- 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)
Description
Light Emission Diode;OLED)とも呼ばれるもので,アノード(ITO),有機薄膜,カソード電極層(金属)の構造を持っている。この有機薄膜は,電子と正孔の均衡をよくして発光効率を向上させるため,発光層(emitting
layer;EML),電子輸送層(electron transport layer;ETL)および正孔輸送層(hole transport layer;HTL)を含む多層構造となり,さらに別途の電子注入層(electron
injecting layer;EIL)と正孔注入層(hole injecting layer;HIL)を含む。このような有機発光セルがN×M個のマトリックス状に配列されて有機発光表示パネルを形成する。
matrix)方式と,薄膜トランジスタ(Thin Film Transistor;TFT)またはMOSFETを用いるアクティブマトリックス(active matrix)方式とがある。パッシブマトリックス方式は,陽極と陰極を直交するように形成し,ラインを選択して駆動する方式である。これに対し,アクティブマトリックス方式は,薄膜トランジスタを各ITO(Indium
Tin Oxide)画素電極に連結し,薄膜トランジスタのゲートに連結されたキャパシタ容量により維持された電圧を利用して駆動する方式である。
第6パルスを有する第2信号を第1期間だけシフトしながら順次生成する第1シフトレジスタと;上記第2信号と,上記第2信号が上記第1期間だけシフトされた信号とが共通に第6パルスである期間に上記第1パルスを有する選択信号を出力する第1回路部と;を含むとしても良い。
Carrier Package),FPC(Flexible Printed Circuit)またはTAB(Tape Automatic Bonding)に,チップなどの形態として装着することもできる。
まず,発光制御信号E1[1]が生成される過程を説明する。
110 画素
115 画素駆動回路部
200 選択及び発光制御信号駆動部
210 選択信号部
211 シフトレジスタ
213 NANDゲート
220 発光制御信号部
221 シフトレジスタ
223 論理回路部
225 NORゲート
300 データ信号駆動部
Claims (4)
- 第1クロック信号および第1開始信号を用いて,第1レベルの第1パルスを有する第1信号を第1期間だけシフトしながら順次生成する第1シフトレジスタと;
イネーブル信号,前記第1信号および前記第1信号が第1期間だけシフトされた信号が共通にハイレベルである期間に第2レベルの第2パルスを有する,画像を表すデータ信号が印加されるデータ線を選択するための選択信号を順次生成する第1回路部と;
第1クロック信号および第2開始信号を用いて,第1レベルの第3パルスを有する第2信号を第1期間だけシフトしながら順次生成する第2シフトレジスタと;
前記選択信号と第2クロック信号が共にローレベルの間にのみハイレベルの信号を出力する2m−1番目(mは1以上の自然数)のNORゲートと,前記選択信号と前記第2クロック信号の反転信号が共にローレベルの間にのみハイレベルの信号を出力する2m番目(mは1以上の自然数)のNORゲートとにより,第1レベルの第4パルスを有する第3信号を生成する第2回路部と;
前記第2信号,前記第2信号が第1期間だけシフトされた信号および前記第3信号を用いて第1発光素子の発光を制御するための第1制御信号を生成して出力する第3回路部と;
を含み,
反転された前記第2信号,前記第2信号が第1期間だけシフトされた信号および前記第3信号を用いて第2発光素子の発光を制御するための第2制御信号を生成して出力する第4回路部をさらに含み,
前記第4回路部は,
反転された前記第2信号と前記第3信号が共に第1レベルである区間に第1レベルを有する第6信号,および前記第2信号と前記第2信号が第1期間だけシフトされた信号が共に第2レベルである区間に第1レベルを有する第7信号を生成し,
前記第6信号および前記第7信号が共に第2レベルである区間に第1レベルを有する第2制御信号を生成することを特徴とする,前記第1発光素子および前記第2発光素子に対して与えられる信号を駆動するための信号駆動装置。 - 前記第1回路部は,前記イネーブル信号,前記第1信号および前記第1信号が第1期間だけシフトされた信号が共にハイレベルである期間に第2レベルの第2パルスを有する選択信号を生成することを特徴とする,請求項1に記載の信号駆動装置。
- 前記第3回路部は,
前記第2信号と前記第3信号が共に第1レベルである区間に第1レベルを有する第4信号を生成し,前記第2信号と前記第2信号が第1期間だけシフトされた信号が共に第1レベルである区間に第1レベルを有する第5信号を生成し,
前記第4信号および前記第5信号が共に第2レベルである区間に第1レベルを有する第1制御信号を生成することを特徴とする,請求項1に記載の信号駆動装置。 - 前記第1レベルはハイレベルであり,前記第2レベルはローレベルであることを特徴とする,請求項1〜3のいずれか1項に記載の信号駆動装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040068550A KR100590042B1 (ko) | 2004-08-30 | 2004-08-30 | 발광 표시 장치, 그 구동방법 및 신호구동장치 |
KR10-2004-0068550 | 2004-08-30 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005162293A Division JP4585376B2 (ja) | 2004-08-30 | 2005-06-02 | 発光表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009223343A JP2009223343A (ja) | 2009-10-01 |
JP5198374B2 true JP5198374B2 (ja) | 2013-05-15 |
Family
ID=36139528
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005162293A Active JP4585376B2 (ja) | 2004-08-30 | 2005-06-02 | 発光表示装置 |
JP2009160944A Active JP5198374B2 (ja) | 2004-08-30 | 2009-07-07 | 信号駆動装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005162293A Active JP4585376B2 (ja) | 2004-08-30 | 2005-06-02 | 発光表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7777701B2 (ja) |
JP (2) | JP4585376B2 (ja) |
KR (1) | KR100590042B1 (ja) |
CN (1) | CN100458902C (ja) |
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US7777701B2 (en) | 2010-08-17 |
CN100458902C (zh) | 2009-02-04 |
US20060044230A1 (en) | 2006-03-02 |
JP2009223343A (ja) | 2009-10-01 |
KR100590042B1 (ko) | 2006-06-14 |
KR20060019872A (ko) | 2006-03-06 |
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