DE60219325D1 - Verfahren und einrichtung zur gammakorrektur - Google Patents
Verfahren und einrichtung zur gammakorrekturInfo
- Publication number
- DE60219325D1 DE60219325D1 DE60219325T DE60219325T DE60219325D1 DE 60219325 D1 DE60219325 D1 DE 60219325D1 DE 60219325 T DE60219325 T DE 60219325T DE 60219325 T DE60219325 T DE 60219325T DE 60219325 D1 DE60219325 D1 DE 60219325D1
- Authority
- DE
- Germany
- Prior art keywords
- gamma correction
- pulse
- display device
- drive pulse
- width
- 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.)
- Expired - Fee Related
Links
- 239000011159 matrix material Substances 0.000 abstract 1
Classifications
-
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3275—Details of drivers for data electrodes
- G09G3/3283—Details of drivers for data electrodes in which the data driver supplies a variable data current for setting the current through, or the voltage across, the light-emitting elements
-
- 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
-
- 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
- G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
-
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
-
- 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
- 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
- G09G2310/0275—Details of drivers for data electrodes, other than drivers for liquid crystal, plasma or OLED displays, not related to handling digital grey scale data or to communication of data to the pixels by means of a current
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01202918 | 2001-08-01 | ||
EP01202918 | 2001-08-01 | ||
PCT/IB2002/003222 WO2003012771A2 (en) | 2001-08-01 | 2002-07-31 | Method and device for gamma correction |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60219325D1 true DE60219325D1 (de) | 2007-05-16 |
DE60219325T2 DE60219325T2 (de) | 2008-01-03 |
Family
ID=8180736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60219325T Expired - Fee Related DE60219325T2 (de) | 2001-08-01 | 2002-07-31 | Verfahren und einrichtung zur gammakorrektur |
Country Status (9)
Country | Link |
---|---|
US (1) | US7286104B2 (de) |
EP (1) | EP1417669B1 (de) |
JP (1) | JP2004537762A (de) |
KR (1) | KR20040015376A (de) |
CN (1) | CN1320514C (de) |
AT (1) | ATE358866T1 (de) |
DE (1) | DE60219325T2 (de) |
TW (1) | TWI223552B (de) |
WO (1) | WO2003012771A2 (de) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3073486B2 (ja) * | 1998-02-16 | 2000-08-07 | キヤノン株式会社 | 画像形成装置及び電子線装置及び変調回路及び画像形成装置の駆動方法 |
GB2417360B (en) | 2003-05-20 | 2007-03-28 | Kagutech Ltd | Digital backplane |
JP4036142B2 (ja) | 2003-05-28 | 2008-01-23 | セイコーエプソン株式会社 | 電気光学装置、電気光学装置の駆動方法および電子機器 |
US20070132672A1 (en) * | 2004-03-24 | 2007-06-14 | Jun Maede | Organic el drive circuit and organic el display device using the same |
KR20060014213A (ko) * | 2004-08-10 | 2006-02-15 | 엘지.필립스 엘시디 주식회사 | 유기 전기 발광 소자의 구동 회로 및 이를 이용한 구동 방법 |
KR100701090B1 (ko) * | 2004-11-12 | 2007-03-29 | 비오이 하이디스 테크놀로지 주식회사 | 액정표시장치의 계조 구현 장치 |
US7679686B2 (en) * | 2004-12-30 | 2010-03-16 | E. I. Du Pont De Nemours And Company | Electronic device comprising a gamma correction unit, a process for using the electronic device, and a data processing system readable medium |
US8149250B2 (en) * | 2005-07-18 | 2012-04-03 | Dialog Semiconductor Gmbh | Gamma curve correction for TN and TFT display modules |
JP4341597B2 (ja) * | 2005-08-25 | 2009-10-07 | セイコーエプソン株式会社 | ガンマカーブ調整装置及び調整ポイント設定方法 |
US8072502B2 (en) * | 2005-12-12 | 2011-12-06 | Sony Ericsson Mobile Communications Ab | Multi-mega pixel resolution with small sensor |
TWI320562B (en) * | 2006-03-15 | 2010-02-11 | Novatek Microelectronics Corp | Lcd device with a gamma correction function by adjusting pulse width of pwm signal and related method thereof |
JP5289684B2 (ja) * | 2006-03-24 | 2013-09-11 | ローム株式会社 | 発光制御装置、表示装置、駆動制御装置、制御装置 |
US8232931B2 (en) * | 2006-04-10 | 2012-07-31 | Emagin Corporation | Auto-calibrating gamma correction circuit for AMOLED pixel display driver |
KR100793542B1 (ko) * | 2006-10-12 | 2008-01-14 | 삼성에스디아이 주식회사 | 유기전계발광표시장치 및 그의 구동방법 |
JP5109407B2 (ja) * | 2007-02-26 | 2012-12-26 | 日本テキサス・インスツルメンツ株式会社 | 表示装置 |
TWI401667B (zh) * | 2008-05-23 | 2013-07-11 | Innolux Corp | 液晶顯示器加馬校正電路及方法 |
DE102009007498B4 (de) | 2009-02-05 | 2022-12-08 | Osram Gmbh | Optoelektronisches Leuchtmodul |
AU2010291810A1 (en) | 2009-09-02 | 2012-04-05 | Scobil Industries Corp. | Method and apparatus for driving an electroluminescent display |
US20130039882A1 (en) | 2009-10-28 | 2013-02-14 | Henry Ford Health System | Method to mitigate injury from radiation exposure |
KR20140058283A (ko) * | 2012-11-06 | 2014-05-14 | 삼성디스플레이 주식회사 | 표시 장치 및 표시 장치의 구동 방법 |
KR102406206B1 (ko) * | 2015-01-20 | 2022-06-09 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 그의 구동 방법 |
JP6966942B2 (ja) | 2015-06-05 | 2021-11-17 | アップル インコーポレイテッドApple Inc. | 表示パネル用の発光制御装置及び方法 |
WO2016200635A1 (en) * | 2015-06-10 | 2016-12-15 | Sxaymiq Technologies Llc | Display panel redundancy schemes |
CN105761692B (zh) * | 2016-05-04 | 2018-08-14 | 深圳市华星光电技术有限公司 | 用于在线调整液晶面板的伽马编码的系统 |
CN108711403B (zh) * | 2016-11-10 | 2021-10-29 | 拉碧斯半导体株式会社 | 显示驱动器以及半导体装置 |
CN108259875B (zh) * | 2018-02-05 | 2020-03-24 | 成都天诚慧芯科技有限公司 | 一种数字图像伽马校正硬件实现方法及系统 |
CN109979389B (zh) * | 2019-04-08 | 2020-07-31 | 成都京东方光电科技有限公司 | 伽马校正方法及装置、显示装置、计算机存储介质 |
CN113436567B (zh) * | 2021-06-25 | 2023-08-18 | 京东方科技集团股份有限公司 | 显示面板及其伽马调节方法、显示装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0457440A3 (en) * | 1990-05-14 | 1993-04-07 | The Cherry Corporation | Grey scale display |
US5861869A (en) * | 1992-05-14 | 1999-01-19 | In Focus Systems, Inc. | Gray level addressing for LCDs |
JP2917814B2 (ja) * | 1994-05-10 | 1999-07-12 | 日亜化学工業株式会社 | マルチカラーのledディスプレイユニット |
JP4189062B2 (ja) * | 1998-07-06 | 2008-12-03 | セイコーエプソン株式会社 | 電子機器 |
JP3006592B1 (ja) * | 1998-07-24 | 2000-02-07 | 日亜化学工業株式会社 | Ledディスプレイユニット |
CN1174357C (zh) * | 1998-09-10 | 2004-11-03 | 皇家菲利浦电子有限公司 | 矩阵显示装置 |
DE69937029T9 (de) * | 1998-10-12 | 2008-09-04 | Victor Company of Japan, Ltd., Yokohama | Signalverarbeitungsverfahren und Vorrichtung für Grauskala-Videosignal in einer Matrix-Anzeigevorrichtung |
JP2000148074A (ja) * | 1998-11-06 | 2000-05-26 | Victor Co Of Japan Ltd | マトリクス型表示装置 |
US6137542A (en) * | 1998-12-21 | 2000-10-24 | Phillips Electronics North America Corporation | Digital correction of linear approximation of gamma |
US6225931B1 (en) * | 1999-08-30 | 2001-05-01 | Industrial Technology Research Institute | D/A converter with a gamma correction circuit |
JP2001195031A (ja) * | 1999-10-27 | 2001-07-19 | Internatl Business Mach Corp <Ibm> | ガンマ補正用基準電位発生回路 |
JP3659103B2 (ja) * | 1999-12-28 | 2005-06-15 | セイコーエプソン株式会社 | 電気光学装置、電気光学装置の駆動回路および駆動方法、電子機器 |
US6897842B2 (en) * | 2001-09-19 | 2005-05-24 | Intel Corporation | Nonlinearly mapping video date to pixel intensity while compensating for non-uniformities and degradations in a display |
-
2002
- 2002-07-31 AT AT02758683T patent/ATE358866T1/de not_active IP Right Cessation
- 2002-07-31 WO PCT/IB2002/003222 patent/WO2003012771A2/en active IP Right Grant
- 2002-07-31 CN CNB028149998A patent/CN1320514C/zh not_active Expired - Fee Related
- 2002-07-31 KR KR10-2004-7001260A patent/KR20040015376A/ko not_active Application Discontinuation
- 2002-07-31 DE DE60219325T patent/DE60219325T2/de not_active Expired - Fee Related
- 2002-07-31 JP JP2003517867A patent/JP2004537762A/ja active Pending
- 2002-07-31 US US10/484,659 patent/US7286104B2/en not_active Expired - Fee Related
- 2002-07-31 EP EP02758683A patent/EP1417669B1/de not_active Expired - Lifetime
- 2002-08-27 TW TW091119382A patent/TWI223552B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE358866T1 (de) | 2007-04-15 |
TWI223552B (en) | 2004-11-01 |
WO2003012771A3 (en) | 2003-12-04 |
JP2004537762A (ja) | 2004-12-16 |
EP1417669A2 (de) | 2004-05-12 |
CN1537303A (zh) | 2004-10-13 |
DE60219325T2 (de) | 2008-01-03 |
US7286104B2 (en) | 2007-10-23 |
KR20040015376A (ko) | 2004-02-18 |
EP1417669B1 (de) | 2007-04-04 |
US20040174388A1 (en) | 2004-09-09 |
CN1320514C (zh) | 2007-06-06 |
WO2003012771A2 (en) | 2003-02-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60219325D1 (de) | Verfahren und einrichtung zur gammakorrektur | |
TW200632815A (en) | Method and system for programming, calibrating and driving a light emitting device display | |
FR2889762B1 (fr) | Ecran electroluminescent | |
EP1531450A8 (de) | Organische elektrolumineszente Anzeigevorrichtung und Verfahren zu deren Ansteuerung | |
TW200713179A (en) | Driving methods and electronic devices using the same | |
EP1103946A3 (de) | Graustufensteuerung für eine Elektrolumineszensanzeige mit aktiver Matrix | |
EP1148467A3 (de) | Lichtemittierende Vorrichtung | |
EP1562168A3 (de) | Elektrolumineszente Anzeigevorrichtung und Ansteuerverfahren dafür | |
TW200737106A (en) | Method and system for pixel circuit displays | |
EP1424680A3 (de) | Elektro-optische Vorrichtung, Methode der Ansteuerung der elektro-optischen Vorrichtung und elektronischer Apparat | |
EP1821282A3 (de) | Anzeigegerät und Ansteuerungsverfahren dafür | |
TW200625229A (en) | Display device, apparatus for driving the same and method of driving the same | |
TW200634696A (en) | Display device and driving method thereof | |
EP1865486A3 (de) | Organische Elektrolumineszenzanzeige und Verfahren zu ihrer Ansteuerung | |
WO2003094138A3 (en) | Field sequential color efficiency | |
EP1837851A3 (de) | Pixelschaltung in einer flachen Anzeigetafelvorrichtung und Ansteuerverfahren dafür | |
EP1675095A3 (de) | Organische lichtemittierende Diodenanzeige und Verfahren zu ihrer Ansteuerung | |
WO2003107315A3 (en) | METHODS FOR DRIVING ELECTRO-OPTICAL DISPLAYS | |
CA2567076A1 (en) | Voltage-programming scheme for current-driven amoled displays | |
TW200715232A (en) | Liquid crystal display and driving method therefor | |
TW200612378A (en) | Liquid crystal display and driving method thereof | |
EP1667099A3 (de) | Organische lichtemittierende Anzeige, Ansteuerverfahren für eine organische lichtemittierende Anzeige und Pixelschaltung | |
TW200629227A (en) | Display device and driving method thereof | |
TW200725521A (en) | Liquid crystal display and it's driving circuit and driving method | |
DE60134198D1 (de) | Verfahren zur Steuerung von Abtastzeilen in einem Flüssigkristallgerät mit aktiver Matrix |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |