KR101472063B1 - 표시 패널을 구동하기 위한 데이터 생성 방법과, 이를수행하기 위한 데이터 구동회로 및 이 데이터 구동회로를포함하는 표시 장치 - Google Patents
표시 패널을 구동하기 위한 데이터 생성 방법과, 이를수행하기 위한 데이터 구동회로 및 이 데이터 구동회로를포함하는 표시 장치 Download PDFInfo
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- 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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- 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
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- 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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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
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- 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
- G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
- G09G2300/0447—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations for multi-domain technique to improve the viewing angle in a liquid crystal display, such as multi-vertical alignment [MVA]
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- 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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- 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
- G09G2310/0297—Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns
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- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
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- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
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- G—PHYSICS
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- 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
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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
- G09G2320/028—Improving the quality of display appearance by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
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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
- G09G3/2007—Display of intermediate tones
- G09G3/2044—Display of intermediate tones using dithering
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (18)
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- 복수의 단위 화소들을 포함하고, 각각의 상기 단위 화소들이 데이터 배선 및 제1 게이트 배선에 전기적으로 연결된 제1 서브 화소와, 상기 데이터 배선 및 상기 제1 게이트 배선에 인접한 제2 게이트 배선에 전기적으로 연결된 제2 서브 화소를 포함하는 표시 패널;상기 단위 화소들에 대응하는 N 비트(N은 자연수)의 단일한 계조 데이터를 출력하는 타이밍 제어부;상기 단일한 계조 데이터를 이용하여, 상기 제1 서브 화소에 대응하는 제1 보상 데이터를 생성하는 제1 보상부와 상기 제2 서브 화소에 대응하는 제2 보상 데이터를 생성하는 제2 보상부 및 상기 제1 및 제2 보상 데이터를 아날로그의 데이터 신호로 각각 변환하여 상기 데이터 배선에 출력하는 디지털 아날로그 변환부를 포함하는 데이터 구동회로; 및상기 제1 및 제2 게이트 배선들에 게이트 신호를 각각 출력하는 게이트 구동회로를 포함하고,상기 제1 보상부는상기 계조 데이터 중 샘플링 된 m 비트(m은 m < N 인 자연수)의 제1 샘플 계조 데이터에 해당하는 제1 샘플 보상 데이터를 룩업 테이블 형태로 저장하는 제1 저장부; 및상기 제1 샘플 보상 데이터와, 상기 계조 데이터 중 샘플링 되지 않은 N-m 비트의 계조 데이터를 이용하여 N+k 비트(k는 자연수)의 상기 제1 보상 데이터를 생성하는 제1 보간부를 포함하고,상기 제2 보상부는상기 계조 데이터 중 샘플링된 m 비트의 제2 샘플 계조 데이터에 해당하는 제2 샘플 보상 데이터를 룩업 테이블 형태로 저장하는 제2 저장부; 및상기 제2 샘플 보상 데이터와, 상기 계조 데이터 중 샘플링 되지 않은 N-m 비트의 계조 데이터를 이용하여 N+k 비트의 상기 제2 보상 데이터를 생성하는 제2 보간부를 포함하는 표시 장치.
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- 제13항에 있어서, 상기 디지털 아날로그 변환부는 선형 디지털 아날로그 변환기인 것을 특징으로 하는 표시 장치.
- 제13항에 있어서, 상기 제1 보상부는 상기 N+k 비트의 제1 보상 데이터를 N 비트의 제1 데이터로 디더링하는 제1 디더링부를 더 포함하며,상기 제2 보상부는 상기 N+k 비트의 제2 보상 데이터를 N 비트의 제2 데이터로 디더링하는 제2 디더링부를 더 포함하는 표시 장치.
- 제17항에 있어서, 상기 디지털 아날로그 변환부는 비선형 디지털 아날로그 변환기인 것을 특징으로 하는 표시 장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080032922A KR101472063B1 (ko) | 2008-04-10 | 2008-04-10 | 표시 패널을 구동하기 위한 데이터 생성 방법과, 이를수행하기 위한 데이터 구동회로 및 이 데이터 구동회로를포함하는 표시 장치 |
US12/356,902 US8963965B2 (en) | 2008-04-10 | 2009-01-21 | Method for generating data for driving a display panel, data driving circuit for performing the same and display device having the data driving circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020080032922A KR101472063B1 (ko) | 2008-04-10 | 2008-04-10 | 표시 패널을 구동하기 위한 데이터 생성 방법과, 이를수행하기 위한 데이터 구동회로 및 이 데이터 구동회로를포함하는 표시 장치 |
Publications (2)
Publication Number | Publication Date |
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KR20090107578A KR20090107578A (ko) | 2009-10-14 |
KR101472063B1 true KR101472063B1 (ko) | 2014-12-15 |
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KR1020080032922A Expired - Fee Related KR101472063B1 (ko) | 2008-04-10 | 2008-04-10 | 표시 패널을 구동하기 위한 데이터 생성 방법과, 이를수행하기 위한 데이터 구동회로 및 이 데이터 구동회로를포함하는 표시 장치 |
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US (1) | US8963965B2 (ko) |
KR (1) | KR101472063B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105118448A (zh) * | 2015-07-01 | 2015-12-02 | 深圳市华星光电技术有限公司 | 显示面板及其驱动方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101800041B (zh) * | 2010-03-26 | 2012-05-23 | 青岛海信电器股份有限公司 | Gamma文件的生成方法及装置 |
KR20120033622A (ko) * | 2010-09-30 | 2012-04-09 | 삼성전자주식회사 | 표시 패널의 구동 방법 및 이를 수행하기 위한 표시 장치 |
WO2012053404A1 (ja) * | 2010-10-19 | 2012-04-26 | シャープ株式会社 | 表示装置 |
KR20120070913A (ko) * | 2010-12-22 | 2012-07-02 | 삼성모바일디스플레이주식회사 | 2d/3d영상 표시 장치 |
KR20130087927A (ko) * | 2012-01-30 | 2013-08-07 | 삼성디스플레이 주식회사 | 영상 신호 처리 장치 및 영상 신호 처리 방법 |
KR102076042B1 (ko) * | 2013-01-17 | 2020-02-12 | 삼성디스플레이 주식회사 | 영상 표시 방법, 이를 수행하는 표시 장치, 이에 적용되는 보정값 산출 방법 및 장치 |
KR20140122539A (ko) * | 2013-04-10 | 2014-10-20 | 삼성디스플레이 주식회사 | 표시 장치 및 그 구동 방법 |
KR20150070683A (ko) * | 2013-12-17 | 2015-06-25 | 삼성디스플레이 주식회사 | 액정 표시 장치 및 이의 구동 방법 |
CN104123912B (zh) * | 2014-07-03 | 2016-10-19 | 京东方科技集团股份有限公司 | 像素电路及其驱动方法、显示装置 |
CN104795037A (zh) * | 2015-04-29 | 2015-07-22 | 深圳市华星光电技术有限公司 | 一种液晶面板及其驱动方法 |
CN111899696B (zh) * | 2019-05-05 | 2022-03-15 | 咸阳彩虹光电科技有限公司 | 一种像素矩阵驱动方法、装置及显示器 |
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2008
- 2008-04-10 KR KR1020080032922A patent/KR101472063B1/ko not_active Expired - Fee Related
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2009
- 2009-01-21 US US12/356,902 patent/US8963965B2/en active Active
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KR20060132942A (ko) * | 2004-03-17 | 2006-12-22 | 로무 가부시키가이샤 | 감마 보정 회로 및 그것을 구비하는 표시 장치 |
JP2006243232A (ja) * | 2005-03-02 | 2006-09-14 | Seiko Epson Corp | 基準電圧発生回路、表示ドライバ、電気光学装置及び電子機器 |
KR20070044713A (ko) * | 2005-10-25 | 2007-04-30 | 엘지.필립스 엘시디 주식회사 | 평판표시장치 및 그 화질제어방법 |
KR20070102880A (ko) * | 2006-04-17 | 2007-10-22 | 삼성전자주식회사 | 구동장치 및 이를 갖는 표시장치 |
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CN105118448A (zh) * | 2015-07-01 | 2015-12-02 | 深圳市华星光电技术有限公司 | 显示面板及其驱动方法 |
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KR20090107578A (ko) | 2009-10-14 |
US8963965B2 (en) | 2015-02-24 |
US20090256865A1 (en) | 2009-10-15 |
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