KR20040069836A - 엘씨디 모듈의 소스 드라이버 집적 회로 및 이를 이용한소스 구동 시스템 - Google Patents
엘씨디 모듈의 소스 드라이버 집적 회로 및 이를 이용한소스 구동 시스템 Download PDFInfo
- Publication number
- KR20040069836A KR20040069836A KR1020030006384A KR20030006384A KR20040069836A KR 20040069836 A KR20040069836 A KR 20040069836A KR 1020030006384 A KR1020030006384 A KR 1020030006384A KR 20030006384 A KR20030006384 A KR 20030006384A KR 20040069836 A KR20040069836 A KR 20040069836A
- Authority
- KR
- South Korea
- Prior art keywords
- voltage
- gamma
- output
- gamma correction
- correction voltage
- Prior art date
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Classifications
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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
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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
- G09G3/3696—Generation of voltages supplied to electrode drivers
-
- 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
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
-
- 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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- 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 Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (3)
- LCD 모듈에서,감마 보정 전압을 입력받아 버퍼링 감마 보정 전압을 출력하며 해당 버퍼링 감마 보정 전압과 디지털 데이터 신호를 입력받아 구동 전압을 출력하여 소스 라인을 구동하는 전압 출력부를 포함하여 이루어진 것을 특징으로 하는 엘씨디 모듈의 소스 드라이버 집적 회로.
- 제 1 항에 있어서,상기 전압 출력부는,다수의 감마 버퍼를 구비하여 상기 감마 보정 전압을 공급받아 버퍼링하고 해당 버퍼링 감마 보정 전압을 상기 소스 드라이버 집적 회로 외부로 출력하는 감마 버퍼부와;상기 소스 드라이버 집적 회로 외부로부터 상기 버퍼링 감마 보정 전압을 입력받아 전압 분배하여 분배 감마 전압을 출력하는 레지스터 어레이와 상기 분배 감마 전압을 입력받아 스위칭에 따라 상기 디지털 데이터 신호를 아날로그 데이터 신호로 변환하는 스위치 어레이부를 구비하는 출력 D/A 컨버터와;상기 스위치 어레이와 일대일 대응하는 다수의 출력 버퍼를 구비하여 상기 아날로그 데이터 신호를 입력받아 구동 전압을 LCD 패널로 출력하는 출력 구동 회로를 포함하여 이루어진 것을 특징으로 하는 엘씨디 모듈의 소스 드라이버 집적 회로.
- LCD 모듈에서,감마 보정 전압을 입력받아 버퍼링 감마 보정 전압을 출력하고 해당 버퍼링 감마 보정 전압을 다시 입력받아 구동 전압을 LCD 패널로 출력하여 소스 라인을 구동하는 다수의 소스 드라이버 집적 회로를 포함하여 이루어진 것을 특징으로 하는 엘씨디 모듈의 소스 구동 시스템.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0006384A KR100498549B1 (ko) | 2003-01-30 | 2003-01-30 | 엘씨디 모듈의 소스 드라이버 집적 회로 및 이를 이용한 소스 구동 시스템 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0006384A KR100498549B1 (ko) | 2003-01-30 | 2003-01-30 | 엘씨디 모듈의 소스 드라이버 집적 회로 및 이를 이용한 소스 구동 시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040069836A true KR20040069836A (ko) | 2004-08-06 |
KR100498549B1 KR100498549B1 (ko) | 2005-07-01 |
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KR10-2003-0006384A KR100498549B1 (ko) | 2003-01-30 | 2003-01-30 | 엘씨디 모듈의 소스 드라이버 집적 회로 및 이를 이용한 소스 구동 시스템 |
Country Status (1)
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KR (1) | KR100498549B1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101050693B1 (ko) * | 2010-01-19 | 2011-07-20 | 주식회사 실리콘웍스 | 소스 드라이버의 감마전압 출력 회로 |
KR101438586B1 (ko) * | 2007-05-31 | 2014-09-05 | 엘지디스플레이 주식회사 | 액정표시장치와, 이의 감마커브 보상방법 |
KR101521896B1 (ko) * | 2013-10-18 | 2015-05-20 | 주식회사 와이드칩스 | 감마 전압 발생 회로 및 이를 구비하는 디스플레이 장치. |
US9666155B2 (en) | 2014-01-24 | 2017-05-30 | Samsung Display Co., Ltd. | Data lines driver of display apparatus includng the same and method of driving display panel using the same |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100789700B1 (ko) | 2006-08-16 | 2008-01-02 | 주식회사 실리콘웍스 | 가분할 저항 셀을 구비하는 dac |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100223804B1 (ko) * | 1996-11-27 | 1999-10-15 | 구본준 | 액정 표시 소자의 구동 장치 |
JP4675485B2 (ja) * | 2001-02-09 | 2011-04-20 | ルネサスエレクトロニクス株式会社 | 液晶駆動用半導体集積回路および液晶表示装置 |
JP4766760B2 (ja) * | 2001-03-06 | 2011-09-07 | ルネサスエレクトロニクス株式会社 | 液晶駆動装置 |
KR100388799B1 (ko) * | 2001-04-11 | 2003-06-25 | (주)더블유에스디 | 박막트랜지스터 액정표시소자의 소오스 드라이버 |
-
2003
- 2003-01-30 KR KR10-2003-0006384A patent/KR100498549B1/ko active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101438586B1 (ko) * | 2007-05-31 | 2014-09-05 | 엘지디스플레이 주식회사 | 액정표시장치와, 이의 감마커브 보상방법 |
KR101050693B1 (ko) * | 2010-01-19 | 2011-07-20 | 주식회사 실리콘웍스 | 소스 드라이버의 감마전압 출력 회로 |
KR101521896B1 (ko) * | 2013-10-18 | 2015-05-20 | 주식회사 와이드칩스 | 감마 전압 발생 회로 및 이를 구비하는 디스플레이 장치. |
US9666155B2 (en) | 2014-01-24 | 2017-05-30 | Samsung Display Co., Ltd. | Data lines driver of display apparatus includng the same and method of driving display panel using the same |
Also Published As
Publication number | Publication date |
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KR100498549B1 (ko) | 2005-07-01 |
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