KR100767583B1 - 액정표시장치 구동회로 - Google Patents
액정표시장치 구동회로 Download PDFInfo
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- KR100767583B1 KR100767583B1 KR1020030099347A KR20030099347A KR100767583B1 KR 100767583 B1 KR100767583 B1 KR 100767583B1 KR 1020030099347 A KR1020030099347 A KR 1020030099347A KR 20030099347 A KR20030099347 A KR 20030099347A KR 100767583 B1 KR100767583 B1 KR 100767583B1
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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
- 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
- G09G3/3406—Control of illumination source
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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
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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
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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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
- G09G2310/0264—Details of driving circuits
- G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
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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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall 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
- G09G2320/06—Adjustment of display parameters
- G09G2320/066—Adjustment of display parameters for control of contrast
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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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
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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
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
Abstract
Description
본 발명에 의하면, 액정표시장치의 아날로그 구동회로부들을 통합하고, 이들 구동회로부들을 디지털 영상 신호 프로세서(DSP)와 EEPROM에서 발생하는 컨트롤 신호에 의하여 컨트롤하여 지속적으로 디스플레이 되는 화면 품위를 향상시킬 수 있는 이점이 있다.
Claims (9)
- 영상 신호를 분석하고 이로부터 적어도 하나 이상의 영상 조절 신호를 발생시키는 DSP;영상을 조절할 수 있는 조절 신호를 미리 정하여 저장하고, 저장된 제어 신호를 공급하는 EEPROM;상기 DSP와 EEPROM으로부터 선택적으로 디지털 제어 신호를 공급받아 아날로그 제어 신호로 변환시키는 디지털/아날로그 컨버터부;상기 DSP와 EEPROM으로부터 선택적으로 디지털 제어 신호를 선택적으로 상기 디지털/아날로그 컨버터부에 공급하는 디지털 인터페이스부; 및상기 디지털/아날로그 컨버터부로부터 디지털 신호를 공급받고, 감마회로부, 공통회로부, 인버터 제어부로 구성된 아날로그 구동회로 블록들을 포함하는 액정표시장치의 구동회로.
- 제 1항에 있어서, 상기 아날로그 구동회로 블록들과, 디지털 아날로그 컨버터와, 디지털 인터페이스부가 단일 칩에 실장됨을 특징으로 하는 액정표시장치의 구동회로.
- 삭제
- 제 1 항에 있어서, 상기 영상 조절 신호는 영상의 밝기 조절을 위한 신호인 것을 특징으로 하는 액정표시장치의 구동회로.
- 제 1 항에 있어서, 상기 영상 조절 신호는 영상의 색조(contrast ratio) 조절을 위한 신호인 것을 특징으로 하는 액정표시장치의 구동회로.
- 제 1 에 있어서, 상기 디지털 인터페이스부로부터 상기 디지털/아날로그 컨버터부로 전송되는 디지털 제어 신호는 아날로그 제어 신호로 변환되어 상기 감마 회로부의 버퍼부에 직접 입력되는 것을 특징으로 하는 액정표시장치 구동회로.
- 제 1 항에 있어서, 상기 디지털/아날로그 컨버터부로부터 디지털 제어 신호에서 아날로그 제어 신호로 변환된 신호는 상기 공통 회로부의 버퍼부에 직접 입력되는 것을 특징으로 하는 액정표시장치 구동회로.
- 제 1 항에 있어서, 상기 디지털/아날로그 컨버터부로부터 디지털 제어 신호에서 아날로그 제어 신호로 변환된 신호는 상기 인버터 제어부에 직접 입력되는 것을 특징으로 하는 액정표시장치 구동회로.
- 삭제
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030099347A KR100767583B1 (ko) | 2003-12-29 | 2003-12-29 | 액정표시장치 구동회로 |
US10/955,011 US20050140628A1 (en) | 2003-12-29 | 2004-09-30 | Driving system for a liquid crystal display |
GB0422621A GB2409760B (en) | 2003-12-29 | 2004-10-12 | Driving system for a liquid crystal display |
TW093130915A TWI299486B (en) | 2003-12-29 | 2004-10-12 | Driving system for a liquid crystal display |
DE102004050392A DE102004050392B4 (de) | 2003-12-29 | 2004-10-15 | Treibersystem für eine Flüssigkristallanzeige |
FR0411065A FR2864680B1 (fr) | 2003-12-29 | 2004-10-19 | Systeme de commande pour un dispositif d'affichage a cristaux liquides |
CNA2004100904322A CN1637830A (zh) | 2003-12-29 | 2004-11-18 | 液晶显示器驱动系统 |
JP2004364702A JP2005196160A (ja) | 2003-12-29 | 2004-12-16 | 液晶表示装置の駆動回路及び駆動方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030099347A KR100767583B1 (ko) | 2003-12-29 | 2003-12-29 | 액정표시장치 구동회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050068185A KR20050068185A (ko) | 2005-07-05 |
KR100767583B1 true KR100767583B1 (ko) | 2007-10-17 |
Family
ID=36095717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030099347A KR100767583B1 (ko) | 2003-12-29 | 2003-12-29 | 액정표시장치 구동회로 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050140628A1 (ko) |
JP (1) | JP2005196160A (ko) |
KR (1) | KR100767583B1 (ko) |
CN (1) | CN1637830A (ko) |
DE (1) | DE102004050392B4 (ko) |
FR (1) | FR2864680B1 (ko) |
GB (1) | GB2409760B (ko) |
TW (1) | TWI299486B (ko) |
Families Citing this family (16)
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KR100712121B1 (ko) * | 2005-02-24 | 2007-04-27 | 삼성에스디아이 주식회사 | 리플 노이즈를 줄이기 위한 필터링부를 구비한 액정표시장치 |
CN1901018B (zh) * | 2005-07-18 | 2010-12-08 | 奇美电子股份有限公司 | 显示器及其伽马修正电压的产生装置 |
KR101281926B1 (ko) | 2006-06-29 | 2013-07-03 | 엘지디스플레이 주식회사 | 액정표시장치 |
US20080062111A1 (en) * | 2006-09-13 | 2008-03-13 | Himax Technologies Limited | Apparatus for Driving a Display |
TWI368890B (en) | 2006-10-05 | 2012-07-21 | Au Optronics Corp | Control apparatus and panel assembly comprising said control apparatus |
KR101272335B1 (ko) * | 2006-10-20 | 2013-06-07 | 삼성디스플레이 주식회사 | 표시 장치 및 그의 구동 방법 |
CN101191919B (zh) * | 2006-12-01 | 2010-12-22 | 群康科技(深圳)有限公司 | 公共电极电压调整电路、液晶面板驱动电路及液晶显示器 |
TWI402812B (zh) * | 2008-10-02 | 2013-07-21 | Chunghwa Picture Tubes Ltd | 驅動電路及液晶顯示器的插灰方法 |
KR101027987B1 (ko) * | 2009-03-13 | 2011-04-13 | 에이디반도체(주) | 전압레벨조정과 출력채널 선택이 가능한 아날로그 전압출력을 가지는 다채널 정전용량 터치센서 집적회로 칩 |
TWI417857B (zh) * | 2009-09-23 | 2013-12-01 | Novatek Microelectronics Corp | 液晶顯示器的驅動電路 |
US8593389B2 (en) | 2009-09-23 | 2013-11-26 | Novatek Microelectronics Corp. | Gamma-voltage generator |
TWI413085B (zh) * | 2009-10-15 | 2013-10-21 | Innolux Corp | 單晶穴間隙式半穿反液晶顯示器及其驅動方法 |
KR101922686B1 (ko) | 2012-08-29 | 2018-11-28 | 삼성디스플레이 주식회사 | 표시 장치 |
US9007098B1 (en) * | 2013-03-01 | 2015-04-14 | Iml International | Current mode DVR or PVCOM with integrated resistors |
US9230346B2 (en) * | 2014-05-21 | 2016-01-05 | Himax Technologies Limited | Programmable gamma circuit for gamma correction |
CN111667794A (zh) * | 2019-03-07 | 2020-09-15 | 三星显示有限公司 | 源极驱动器及包括其的显示装置 |
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2003
- 2003-12-29 KR KR1020030099347A patent/KR100767583B1/ko active IP Right Grant
-
2004
- 2004-09-30 US US10/955,011 patent/US20050140628A1/en not_active Abandoned
- 2004-10-12 GB GB0422621A patent/GB2409760B/en not_active Expired - Fee Related
- 2004-10-12 TW TW093130915A patent/TWI299486B/zh not_active IP Right Cessation
- 2004-10-15 DE DE102004050392A patent/DE102004050392B4/de not_active Expired - Fee Related
- 2004-10-19 FR FR0411065A patent/FR2864680B1/fr not_active Expired - Fee Related
- 2004-11-18 CN CNA2004100904322A patent/CN1637830A/zh active Pending
- 2004-12-16 JP JP2004364702A patent/JP2005196160A/ja active Pending
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KR100490047B1 (ko) | 1998-05-22 | 2005-08-01 | 삼성전자주식회사 | 프로그램 가능한 계조 구동 장치 |
KR100682357B1 (ko) | 2000-06-28 | 2007-02-15 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 감마전압 자동조정장치 및 그의 구동방법 |
KR20030073390A (ko) * | 2002-03-11 | 2003-09-19 | 삼성전자주식회사 | 동적 휘도비를 향상시키기 위한 액정 표시 장치 및 이장치를 위한 감마 전압 생성 방법 |
KR20040015910A (ko) * | 2002-08-14 | 2004-02-21 | 삼성전자주식회사 | 액정 표시 장치 |
KR100498542B1 (ko) | 2002-09-06 | 2005-07-01 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 신호구동회로 및 구동방법 |
KR100520383B1 (ko) | 2003-03-18 | 2005-10-11 | 비오이 하이디스 테크놀로지 주식회사 | 액정표시장치의 기준전압 발생회로 |
Also Published As
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KR20050068185A (ko) | 2005-07-05 |
TWI299486B (en) | 2008-08-01 |
TW200521940A (en) | 2005-07-01 |
GB0422621D0 (en) | 2004-11-10 |
CN1637830A (zh) | 2005-07-13 |
FR2864680B1 (fr) | 2009-11-13 |
GB2409760A (en) | 2005-07-06 |
DE102004050392A1 (de) | 2005-07-21 |
DE102004050392B4 (de) | 2008-08-07 |
FR2864680A1 (fr) | 2005-07-01 |
GB2409760B (en) | 2006-04-19 |
JP2005196160A (ja) | 2005-07-21 |
US20050140628A1 (en) | 2005-06-30 |
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