KR20070014581A - 룩업테이블을 이용한 프로그래머블 감마보정회로 - Google Patents
룩업테이블을 이용한 프로그래머블 감마보정회로 Download PDFInfo
- Publication number
- KR20070014581A KR20070014581A KR1020050069354A KR20050069354A KR20070014581A KR 20070014581 A KR20070014581 A KR 20070014581A KR 1020050069354 A KR1020050069354 A KR 1020050069354A KR 20050069354 A KR20050069354 A KR 20050069354A KR 20070014581 A KR20070014581 A KR 20070014581A
- Authority
- KR
- South Korea
- Prior art keywords
- rgb data
- digital rgb
- contrast
- control signal
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- 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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
- G09G5/06—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour palettes, e.g. look-up tables
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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
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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)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
제어신호 | 보정 실시예 |
000 | RGB 값이 변경이 없는 경우 |
001 | R의 값을 "+"로 변경 |
010 | R의 값을 "-"로 변경 |
011 | G의 값을 "+"로 변경 |
100 | G의 값을 "-"로 변경 |
101 | B의 값을 "+"로 변경 |
110 | B의 값을 "-"로 변경 |
Claims (2)
- 입력된 디지털 RGB 데이터를 임의의 데이터로 변환 가능하게 하여 감마 성분을 보정하는 장치에 있어서,소정의 디지털 RGB 데이터를 입력받아 전달하는 버퍼;상기 버퍼로부터 입력된 디지털 RGB 데이터의 컨트라스트(contrast)의 정도를 판단하고, 상기 콘트라스트의 정도에 따라 다른 제어신호를 출력하는 제어부; 및상기 제어신호에 해당하는 디지털 RGB 데이터를 변경하여 출력하는 룩업 테이블;을 포함함을 특징으로 하는 룩-업 테이블을 이용한 프로그래머블 감마보정회로.
- 제1항에 있어서, 상기 제어부는상기 디지털 RGB 데이터가 낮은 콘트라스 값인 경우 콘트라스트를 높이는 방향으로 제어신호를 출력히여 상기 룩업테이블에 전달하고, 상기 디지털 RGB 데이터가 높은 콘트라스 값인 경우 콘트라스트를 낮추는 방향으로 제어신호를 출력하는 것을 특징으로 하는 룩-업 테이블을 이용한 프로그래머블 감마보정회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050069354A KR100781306B1 (ko) | 2005-07-29 | 2005-07-29 | 룩업테이블을 이용한 프로그래머블 감마보정회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050069354A KR100781306B1 (ko) | 2005-07-29 | 2005-07-29 | 룩업테이블을 이용한 프로그래머블 감마보정회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070014581A true KR20070014581A (ko) | 2007-02-01 |
KR100781306B1 KR100781306B1 (ko) | 2007-11-30 |
Family
ID=38080335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050069354A Expired - Fee Related KR100781306B1 (ko) | 2005-07-29 | 2005-07-29 | 룩업테이블을 이용한 프로그래머블 감마보정회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100781306B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10726767B2 (en) | 2017-04-04 | 2020-07-28 | Samsung Display Co., Ltd. | Display apparatus and method of driving the same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150086983A (ko) | 2014-01-21 | 2015-07-29 | 삼성디스플레이 주식회사 | 디지털 감마 보정부, 이를 포함하는 표시 장치 및 이를 이용한 표시 패널 구동 방법 |
KR20160130002A (ko) | 2015-04-30 | 2016-11-10 | 삼성디스플레이 주식회사 | 액정 표시 장치의 제조 방법 및 검사 장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980060007A (ko) * | 1996-12-31 | 1998-10-07 | 김광호 | 액정 표시 장치의 소비 전력 감소 회로 |
JP2001222264A (ja) | 2000-02-08 | 2001-08-17 | Nippon Soken Inc | カラー液晶表示装置用ガンマ補正装置、ガンマ補正方法及びガンマ補正データ作成方法 |
KR100760932B1 (ko) * | 2000-12-29 | 2007-09-21 | 엘지.필립스 엘시디 주식회사 | 액정표시장치 |
JP4333023B2 (ja) | 2000-11-24 | 2009-09-16 | ソニー株式会社 | デジタル信号処理回路、これを用いた表示装置および液晶プロジェクタ |
JP2003015612A (ja) | 2001-06-29 | 2003-01-17 | Nec Corp | 液晶ディスプレイの駆動方法、液晶表示装置及びモニタ |
KR100705619B1 (ko) * | 2003-07-22 | 2007-04-11 | 비오이 하이디스 테크놀로지 주식회사 | 액정표시장치의 구동 방법 및 그 회로 |
-
2005
- 2005-07-29 KR KR1020050069354A patent/KR100781306B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10726767B2 (en) | 2017-04-04 | 2020-07-28 | Samsung Display Co., Ltd. | Display apparatus and method of driving the same |
Also Published As
Publication number | Publication date |
---|---|
KR100781306B1 (ko) | 2007-11-30 |
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