KR100590915B1 - 액정 표시 장치의 액정 극성 반전 신호 제어 장치 - Google Patents
액정 표시 장치의 액정 극성 반전 신호 제어 장치 Download PDFInfo
- Publication number
- KR100590915B1 KR100590915B1 KR1019990012941A KR19990012941A KR100590915B1 KR 100590915 B1 KR100590915 B1 KR 100590915B1 KR 1019990012941 A KR1019990012941 A KR 1019990012941A KR 19990012941 A KR19990012941 A KR 19990012941A KR 100590915 B1 KR100590915 B1 KR 100590915B1
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- South Korea
- Prior art keywords
- inversion signal
- signal
- frame
- line
- signal generator
- Prior art date
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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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3614—Control of polarity reversal in general
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0245—Clearing or presetting the whole screen independently of waveforms, e.g. on power-on
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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
- G09G2310/00—Command of the display device
- G09G2310/06—Details of flat display driving waveforms
- G09G2310/061—Details of flat display driving waveforms for resetting or blanking
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
Claims (3)
- 수직 동기 신호에 의하여 프레임 반전 신호를 생성하는 프레임 반전 신호 생성부와,로딩 출력 신호가 입력되어 라인 반전 신호를 생성하는 라인 반전 신호 생성부, 및상기 프레임 반전 신호 생성부로부터 생성된 프레임 반전 신호와 상기 라인 반전 신호 생성부로부터 생성된 라인 반전 신호를 익스클루시브 오어하여 극성 반전 신호를 생성하는 익스클루시브 오어부를 포함하며,상기 라인 반전 신호 생성부의 입력단에는 상기 라인 반전 신호가 블랭킹 구간에서 수직 동기 신호와 동시에 클리어되도록 하는 클리어부가 구비되는 것을 특징으로 하는 액정표시장치의 액정 극성 반전 신호 제어장치.
- 제 1 항에 있어서, 상기 클리어부는 2입력 앤드 게이트로 구성되며, 그의 제 1 입력에는 수직 동기 신호가 입력되고, 제 2 입력에는 반전된 클리어 신호가 입력되는 것을 특징으로 하는 액정표시장치의 액정 극성 반전 신호 제어장치.
- 제 1 항 또는 제 2 항에 있어서, 상기 프레임 반전 신호 생성부와 라인 반전 신호 생성부는 각각 D플립플롭으로 구성되는 것을 특징으로 하는 액정표시장치의 액정 극성 반전 신호 제어장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990012941A KR100590915B1 (ko) | 1999-04-13 | 1999-04-13 | 액정 표시 장치의 액정 극성 반전 신호 제어 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990012941A KR100590915B1 (ko) | 1999-04-13 | 1999-04-13 | 액정 표시 장치의 액정 극성 반전 신호 제어 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000066091A KR20000066091A (ko) | 2000-11-15 |
KR100590915B1 true KR100590915B1 (ko) | 2006-06-19 |
Family
ID=19579690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990012941A KR100590915B1 (ko) | 1999-04-13 | 1999-04-13 | 액정 표시 장치의 액정 극성 반전 신호 제어 장치 |
Country Status (1)
Country | Link |
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KR (1) | KR100590915B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3719974B2 (ja) * | 2001-11-26 | 2005-11-24 | 株式会社アドバンスト・ディスプレイ | 液晶駆動装置 |
KR100831284B1 (ko) * | 2002-06-29 | 2008-05-22 | 엘지디스플레이 주식회사 | 액정표시장치의 구동방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR900009316A (ko) * | 1988-12-05 | 1990-07-04 | 김문식 | 부조문양의 제조 방법 |
JPH0313178A (ja) * | 1989-06-12 | 1991-01-22 | Seiko Instr Inc | 垂直ブランキング信号発生回路 |
KR19990003555A (ko) * | 1997-06-25 | 1999-01-15 | 김영환 | 액정모듈 구동회로 |
JPH1198419A (ja) * | 1997-09-17 | 1999-04-09 | Sony Corp | Ccd撮像装置 |
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1999
- 1999-04-13 KR KR1019990012941A patent/KR100590915B1/ko not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR900009316A (ko) * | 1988-12-05 | 1990-07-04 | 김문식 | 부조문양의 제조 방법 |
JPH0313178A (ja) * | 1989-06-12 | 1991-01-22 | Seiko Instr Inc | 垂直ブランキング信号発生回路 |
KR19990003555A (ko) * | 1997-06-25 | 1999-01-15 | 김영환 | 액정모듈 구동회로 |
JPH1198419A (ja) * | 1997-09-17 | 1999-04-09 | Sony Corp | Ccd撮像装置 |
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Publication number | Publication date |
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KR20000066091A (ko) | 2000-11-15 |
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