KR100582402B1 - 패널에서 플리커 프리 디스플레이를 지원하는 메모리읽기/쓰기 타이밍 제어방법 및 그 방법을 이용한 tdc패널 구동장치 - Google Patents
패널에서 플리커 프리 디스플레이를 지원하는 메모리읽기/쓰기 타이밍 제어방법 및 그 방법을 이용한 tdc패널 구동장치 Download PDFInfo
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- KR100582402B1 KR100582402B1 KR1020040072719A KR20040072719A KR100582402B1 KR 100582402 B1 KR100582402 B1 KR 100582402B1 KR 1020040072719 A KR1020040072719 A KR 1020040072719A KR 20040072719 A KR20040072719 A KR 20040072719A KR 100582402 B1 KR100582402 B1 KR 100582402B1
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000004044 response Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 15
- 230000003213 activating effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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
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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]
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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
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
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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
- 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
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/393—Arrangements for updating the contents of the bit-mapped memory
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Control Of El Displays (AREA)
Abstract
Description
Claims (10)
- 패널 구동을 위하여 매 프레임에 대하여, 해당 프레임의 쓰기와 해당 프레임의 이븐(Even) 필드와 오드(Odd) 필드에 대한 읽기를 실행하는 TDC 패널 구동을 위한 메모리 읽기/쓰기 방법에 있어서,상기 쓰기에 대한 시작이 선행된 후, 상기 이븐 필드 및 상기 오드 필드 중 어느 하나의 읽기가 시작되고, 화면상의 플리커가 발생되는 것을 방지하도록 상기 읽기 동작을 위한 주파수를 상기 쓰기 동작을 위한 주파수의 2배로 설정하며, 읽기 시작 시점을 패널의 해상도의 중간에 해당하는 라인을 쓰기 시작하는 시점으로 설정하여 상기 매 프레임에 대한 상기 쓰기와 상기 읽기가 순차적으로 수행되도록 하는 것을 특징으로 하는 메모리 읽기/쓰기 타이밍 제어방법.
- 삭제
- 제 2항에 있어서,상기 읽기 시작 시점은 패널의 해상도의 가감에 대응하여 해상도의 중간 이전과 중간 이후로 가변되는 쓰기 시작 시점에 대응하여 가변되는 것을 특징으로 하는 메모리 읽기/쓰기 타이밍 제어 방법.
- 삭제
- 패널 해상도에 대응되어 쓰기 동작이 이루어지는 라인을 카운팅하여 출력하는 어드레스 카운터;상기 어드레스 카운터에 의하여 카운팅된 값과 미리 설정된 값을 비교하여 그 결과 읽기 시작 지시 신호를 출력하는 타이밍 발생 수단;상기 읽기 시작 지시 신호에 의하여 라인 어드레스와 패널 구동용 메모리 읽기 제어신호를 출력하는 타이밍 컨트롤러; 및데이터의 쓰기와 읽기를 수행하며, 상기 타이밍 컨트롤러에서 제공되는 상기 제어신호에 의하여 상기 라인 어드레스에 대한 읽기 시작 시점이 조절되는 메모리를 구비함을 특징으로 하는 TDC 패널 구동장치.
- 제 5항에 있어서,상기 타이밍 발생 수단은, 상기 어드레스 카운터의 카운팅 값이 패널 해상도의 중간 라인에 대응하는 수평동기신호의 순서값 보다 크게 되는 순간 상기 읽기 시작 지시신호를 활성화시키는 것을 특징으로 하는 TDC 패널 구동장치.
- 제 5 항에 있어서,상기 타이밍 발생 수단은상기 어드레스 카운터의 카운팅 값과 미리 설정된 값을 비교하여 그에 대한 결과를 출력하는 타이밍 발생부; 및상기 타이밍 발생부의 출력에 따라 상기 읽기 시작 지시 신호를 생성하여 출력하는 펄스 발생기를 구비함을 특징으로 하는 TDC 패널 구동 장치.
- 제 7 항에 있어서,상기 타이밍 발생부는,읽기 시작 시점을 나타내는 순서값을 저장하는 레지스터; 및상기 어드레스 카운터의 카운팅 값과 상기 레지스터의 값을 비교하여 상기 카운팅 값이 상기 레지스터의 값 보다 크게 될 때 그의 비교 결과를 출력하는 비교기를 구비함을 특징으로 하는 TDC 패널 구동장치.
- 제 8항에 있어서,상기 레지스터는,상기 패널 해상도의 중간 라인에 대응되는 수평동기신호가 발생되는 순서값을 저장하는 것을 특징으로 하는 TDC 패널 구동장치.
- 제 5항에 있어서,상기 TDC 패널은,2 필드 TDC 패널인 것을 특징으로 하는 TDC 패널 구동장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040072719A KR100582402B1 (ko) | 2004-09-10 | 2004-09-10 | 패널에서 플리커 프리 디스플레이를 지원하는 메모리읽기/쓰기 타이밍 제어방법 및 그 방법을 이용한 tdc패널 구동장치 |
US11/223,390 US20060055644A1 (en) | 2004-09-10 | 2005-09-08 | TDC panel driver and its driving method for reducing flickers on display panel |
TW094131184A TWI306586B (en) | 2004-09-10 | 2005-09-09 | Tdc panel driver and its driving method for reducing flickers on display panel |
JP2005263628A JP2006079101A (ja) | 2004-09-10 | 2005-09-12 | Tdcパネルの駆動方法及び駆動装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040072719A KR100582402B1 (ko) | 2004-09-10 | 2004-09-10 | 패널에서 플리커 프리 디스플레이를 지원하는 메모리읽기/쓰기 타이밍 제어방법 및 그 방법을 이용한 tdc패널 구동장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060023831A KR20060023831A (ko) | 2006-03-15 |
KR100582402B1 true KR100582402B1 (ko) | 2006-05-22 |
Family
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KR1020040072719A Expired - Fee Related KR100582402B1 (ko) | 2004-09-10 | 2004-09-10 | 패널에서 플리커 프리 디스플레이를 지원하는 메모리읽기/쓰기 타이밍 제어방법 및 그 방법을 이용한 tdc패널 구동장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060055644A1 (ko) |
JP (1) | JP2006079101A (ko) |
KR (1) | KR100582402B1 (ko) |
TW (1) | TWI306586B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110942749A (zh) * | 2019-12-04 | 2020-03-31 | 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与应用的显示面板 |
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KR100624311B1 (ko) * | 2004-08-30 | 2006-09-19 | 삼성에스디아이 주식회사 | 프레임 메모리 제어 방법 및 그것을 이용한 표시 장치 |
JP5119888B2 (ja) * | 2007-11-26 | 2013-01-16 | ブラザー工業株式会社 | ラスタデータ作成装置、ラスタデータ作成プログラム及び表示装置 |
TWI415519B (zh) * | 2010-06-25 | 2013-11-11 | Macroblock Inc | A control device for segmented control of a light emitting diode |
KR102072678B1 (ko) | 2013-07-09 | 2020-02-04 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
JP2015192156A (ja) * | 2014-03-27 | 2015-11-02 | セイコーエプソン株式会社 | 表示装置、画像処理装置、及び、表示方法 |
JP2015192178A (ja) * | 2014-03-27 | 2015-11-02 | セイコーエプソン株式会社 | 表示装置、画像処理装置、及び、表示方法 |
KR102246926B1 (ko) * | 2016-11-09 | 2021-04-30 | 삼성전자주식회사 | Led 디스플레이 모듈 및 디스플레이 장치 |
CN111243516B (zh) | 2020-03-19 | 2021-11-05 | 京东方科技集团股份有限公司 | 驱动电路、显示面板、显示装置及电路驱动方法 |
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2004
- 2004-09-10 KR KR1020040072719A patent/KR100582402B1/ko not_active Expired - Fee Related
-
2005
- 2005-09-08 US US11/223,390 patent/US20060055644A1/en not_active Abandoned
- 2005-09-09 TW TW094131184A patent/TWI306586B/zh active
- 2005-09-12 JP JP2005263628A patent/JP2006079101A/ja active Pending
Patent Citations (2)
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JP2003345314A (ja) | 2002-05-28 | 2003-12-03 | Casio Comput Co Ltd | フィールドシーケンシャル液晶表示装置の駆動方法 |
KR20040022007A (ko) * | 2002-09-06 | 2004-03-11 | 삼성전자주식회사 | 메모리 억세스 제어방법 및 장치 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110942749A (zh) * | 2019-12-04 | 2020-03-31 | 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与应用的显示面板 |
CN110942749B (zh) * | 2019-12-04 | 2021-07-06 | 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与应用的显示面板 |
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TW200620190A (en) | 2006-06-16 |
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