JP2004240428A - 液晶表示装置、液晶表示装置の駆動装置及び方法 - Google Patents
液晶表示装置、液晶表示装置の駆動装置及び方法 Download PDFInfo
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- JP2004240428A JP2004240428A JP2004029540A JP2004029540A JP2004240428A JP 2004240428 A JP2004240428 A JP 2004240428A JP 2004029540 A JP2004029540 A JP 2004029540A JP 2004029540 A JP2004029540 A JP 2004029540A JP 2004240428 A JP2004240428 A JP 2004240428A
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- G—PHYSICS
- G02—OPTICS
- 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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- 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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
-
- 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
-
- 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
- G09G2320/0606—Manual adjustment
-
- 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
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
-
- 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
-
- 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
- G09G3/2011—Display of intermediate tones by amplitude modulation
-
- 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
- G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
-
- 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
-
- 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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Abstract
【解決手段】 液晶表示装置はゲート線とデータ線に各々連結されており、行列形態で配列された複数の画素を含む液晶表示板組立体を含み、液晶表示板組立体上にはゲート線に信号を伝達するゲート駆動部とデータ線に信号を伝達するデータ駆動部が設けられており、複数のガンマ電圧を生成する階調電圧生成部は信号制御部からのデジタルガンマ電圧をアナログ変換するD/A変換器を含む。複数のデータ駆動回路は複数のガンマ電圧のうちの映像データに相当する階調電圧を選択してデータ電圧として画素に印加し、信号制御部は映像データを各データ駆動回路と独立的に連結された配線を通じてデータ駆動回路に印加し、映像データの制御のための制御信号を生成して前記データ駆動部に印加する。
【選択図】 図3
Description
190 画素電極
200 上部表示板
300 液晶表示板組立体
400 ゲート駆動部
401 ゲート駆動小部
500 データ駆動部
501〜508 データ駆動IC
600 信号制御部
610 10ビットのレジスター
620 コントローラ
800 デジタル階調生成部
810、820 ガンマレジスター
830 D/A変換機
C1 キャパシタ
Clc 液晶蓄電器
CONT1 ゲート制御信号
CONT2 データ制御信号
Cst 維持蓄電器
G1−Gn、D1-Dm 表示信号線
HCLK データクロック信号
MCLK メインクロック
OE 出力イネーブル信号
RVS 反転信号
SW スイッチ
Vcom 共通電圧
Vsync 垂直同期信号
Hsync 水平同期信号
Claims (2)
- ゲート線とデータ線に各々連結されており、行列形態で配列された複数の画素を含む液晶表示板組立体と、
前記液晶表示板組立体上に設けられており前記ゲート線に信号を伝達するゲート駆動部と、
前記液晶表示板組立体上に設けられており前記データ線に信号を伝達するデータ駆動部と、
複数のガンマ電圧を生成する階調電圧生成部と、
複数のガンマ電圧のうちの映像データに相当する階調電圧を選択してデータ電圧として前記画素に印加する複数のデータ駆動回路と、
前記映像データを前記各データ駆動回路と独立的に連結された配線を通じて前記データ駆動回路に印加し、前記映像データの制御のための制御信号を生成して前記データ駆動部に印加する信号制御部と、
を含み、前記階調電圧生成部は前記信号制御部からのデジタルガンマ電圧をアナログ変換するD/A変換器を含むことを特徴とする液晶表示装置。 - 前記データ駆動回路は、前記D/A変換器からの電圧をサンプリングして出力するサンプル/ホールド部と、前記サンプル/ホールド部からの電圧を分圧して階調電圧として出力する分圧器とを含むことを特徴とする、請求項1に記載の液晶表示装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030007521A KR100920341B1 (ko) | 2003-02-06 | 2003-02-06 | 액정 표시 장치 |
Publications (1)
Publication Number | Publication Date |
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JP2004240428A true JP2004240428A (ja) | 2004-08-26 |
Family
ID=32844791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004029540A Pending JP2004240428A (ja) | 2003-02-06 | 2004-02-05 | 液晶表示装置、液晶表示装置の駆動装置及び方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20040160402A1 (ja) |
JP (1) | JP2004240428A (ja) |
KR (1) | KR100920341B1 (ja) |
TW (1) | TW200501029A (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007025701A (ja) * | 2005-07-20 | 2007-02-01 | Samsung Electronics Co Ltd | 表示装置の駆動装置 |
WO2007035014A1 (en) * | 2005-09-23 | 2007-03-29 | Anapass Inc. | Display, timing controller and column driver integrated circuit using clock embedded multi-level signaling |
WO2007035015A1 (en) * | 2005-09-23 | 2007-03-29 | Anapass Inc. | Display, column driver integrated circuit, and multi-level detector, and multi-level detection method |
JP2007164181A (ja) * | 2005-12-12 | 2007-06-28 | Samsung Electronics Co Ltd | 表示装置 |
JP2017146535A (ja) * | 2016-02-19 | 2017-08-24 | セイコーエプソン株式会社 | 表示装置及び電子機器 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI302279B (en) * | 2003-11-04 | 2008-10-21 | Novatek Microelectronics Corp | Driver circuit for display and flat panel display |
KR100671698B1 (ko) * | 2004-08-05 | 2007-01-18 | 매그나칩 반도체 유한회사 | 엘디아이 내 디지털 아날로그 변환기의 테스트 장치 |
KR101230311B1 (ko) * | 2006-04-10 | 2013-02-06 | 삼성디스플레이 주식회사 | 표시 장치 및 그의 구동 방법 |
KR101589183B1 (ko) * | 2008-11-18 | 2016-01-28 | 삼성디스플레이 주식회사 | 계조 전압 제공 장치 및 이를 이용한 표시 장치 |
TWI416493B (zh) * | 2009-12-07 | 2013-11-21 | Innolux Corp | 液晶顯示器 |
KR102399178B1 (ko) * | 2017-08-11 | 2022-05-19 | 삼성디스플레이 주식회사 | 데이터 드라이버 및 이를 갖는 표시장치 |
Citations (7)
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JPH0962234A (ja) * | 1995-08-21 | 1997-03-07 | Hitachi Ltd | 液晶表示装置とその駆動方法 |
JPH10333648A (ja) * | 1997-06-03 | 1998-12-18 | Mitsubishi Electric Corp | 液晶表示装置 |
JPH11175027A (ja) * | 1997-12-08 | 1999-07-02 | Hitachi Ltd | 液晶駆動回路および液晶表示装置 |
JP2002202745A (ja) * | 2000-10-27 | 2002-07-19 | Sharp Corp | 階調表示用電圧発生装置、及びそれを備えた階調表示装置 |
JP2002311915A (ja) * | 2001-04-16 | 2002-10-25 | Nec Corp | 階調電圧生成方法、階調電圧生成回路及び液晶表示装置 |
JP2002333863A (ja) * | 2001-05-07 | 2002-11-22 | Nec Corp | 液晶表示装置及びその駆動方法 |
JP2002366112A (ja) * | 2001-06-07 | 2002-12-20 | Hitachi Ltd | 液晶駆動装置及び液晶表示装置 |
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JP2852042B2 (ja) * | 1987-10-05 | 1999-01-27 | 株式会社日立製作所 | 表示装置 |
US5663772A (en) * | 1994-03-29 | 1997-09-02 | Matsushita Electric Industrial Co., Ltd. | Gray-level image processing with weighting factors to reduce flicker |
US6215468B1 (en) * | 1998-11-13 | 2001-04-10 | Philips Electronics North America Corporation | Circuit for converting an 8-bit input video signal into a 10-bit gamma corrected output video signal |
US7098901B2 (en) * | 2000-07-24 | 2006-08-29 | Sharp Kabushiki Kaisha | Display device and driver |
KR100359433B1 (ko) * | 2000-07-27 | 2002-11-23 | 삼성전자 주식회사 | 평판 디스플레이 장치 |
KR100339021B1 (ko) * | 2000-07-27 | 2002-06-03 | 윤종용 | 평판 디스플레이 장치 |
-
2003
- 2003-02-06 KR KR1020030007521A patent/KR100920341B1/ko active IP Right Grant
-
2004
- 2004-02-05 JP JP2004029540A patent/JP2004240428A/ja active Pending
- 2004-02-06 US US10/773,776 patent/US20040160402A1/en not_active Abandoned
- 2004-02-06 TW TW093102774A patent/TW200501029A/zh unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0962234A (ja) * | 1995-08-21 | 1997-03-07 | Hitachi Ltd | 液晶表示装置とその駆動方法 |
JPH10333648A (ja) * | 1997-06-03 | 1998-12-18 | Mitsubishi Electric Corp | 液晶表示装置 |
JPH11175027A (ja) * | 1997-12-08 | 1999-07-02 | Hitachi Ltd | 液晶駆動回路および液晶表示装置 |
JP2002202745A (ja) * | 2000-10-27 | 2002-07-19 | Sharp Corp | 階調表示用電圧発生装置、及びそれを備えた階調表示装置 |
JP2002311915A (ja) * | 2001-04-16 | 2002-10-25 | Nec Corp | 階調電圧生成方法、階調電圧生成回路及び液晶表示装置 |
JP2002333863A (ja) * | 2001-05-07 | 2002-11-22 | Nec Corp | 液晶表示装置及びその駆動方法 |
JP2002366112A (ja) * | 2001-06-07 | 2002-12-20 | Hitachi Ltd | 液晶駆動装置及び液晶表示装置 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007025701A (ja) * | 2005-07-20 | 2007-02-01 | Samsung Electronics Co Ltd | 表示装置の駆動装置 |
US8264446B2 (en) | 2005-07-20 | 2012-09-11 | Samsung Electronics Co., Ltd. | Driving apparatus for display device |
WO2007035014A1 (en) * | 2005-09-23 | 2007-03-29 | Anapass Inc. | Display, timing controller and column driver integrated circuit using clock embedded multi-level signaling |
WO2007035015A1 (en) * | 2005-09-23 | 2007-03-29 | Anapass Inc. | Display, column driver integrated circuit, and multi-level detector, and multi-level detection method |
CN101273394B (zh) * | 2005-09-23 | 2010-09-08 | 安纳帕斯股份有限公司 | 利用时钟嵌入多电平信号的显示器、定时控制器以及列驱动器集成电路 |
US9934715B2 (en) | 2005-09-23 | 2018-04-03 | Anapass Inc. | Display, timing controller and column driver integrated circuit using clock embedded multi-level signaling |
US9934712B2 (en) | 2005-09-23 | 2018-04-03 | Anapass Inc. | Display, timing controller and column driver integrated circuit using clock embedded multi-level signaling |
US10235918B2 (en) | 2005-09-23 | 2019-03-19 | Anapass Inc. | Display, timing controller and column driver integrated circuit using clock embedded multi-level signaling |
JP2007164181A (ja) * | 2005-12-12 | 2007-06-28 | Samsung Electronics Co Ltd | 表示装置 |
JP2017146535A (ja) * | 2016-02-19 | 2017-08-24 | セイコーエプソン株式会社 | 表示装置及び電子機器 |
Also Published As
Publication number | Publication date |
---|---|
US20040160402A1 (en) | 2004-08-19 |
KR100920341B1 (ko) | 2009-10-07 |
TW200501029A (en) | 2005-01-01 |
KR20040071511A (ko) | 2004-08-12 |
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