CN100477803C - 用于lcos的颜色不均匀性校正 - Google Patents
用于lcos的颜色不均匀性校正 Download PDFInfo
- Publication number
- CN100477803C CN100477803C CNB031029140A CN03102914A CN100477803C CN 100477803 C CN100477803 C CN 100477803C CN B031029140 A CNB031029140 A CN B031029140A CN 03102914 A CN03102914 A CN 03102914A CN 100477803 C CN100477803 C CN 100477803C
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- China
- Prior art keywords
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- rgb
- color
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- 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
- 238000012937 correction Methods 0.000 title claims abstract description 170
- 239000011159 matrix material Substances 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000013500 data storage Methods 0.000 claims abstract 2
- 238000005259 measurement Methods 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
-
- 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
-
- 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
-
- 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
- G09G3/2051—Display of intermediate tones using dithering with use of a spatial dither pattern
-
- 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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
Abstract
Description
Claims (12)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35061902P | 2002-01-22 | 2002-01-22 | |
US60/350619 | 2002-01-22 | ||
US10/142,573 US7253845B2 (en) | 2002-01-22 | 2002-05-09 | Color non-uniformity correction for LCOS |
US10/142573 | 2002-05-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1440205A CN1440205A (zh) | 2003-09-03 |
CN100477803C true CN100477803C (zh) | 2009-04-08 |
Family
ID=26840228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031029140A Expired - Fee Related CN100477803C (zh) | 2002-01-22 | 2003-01-21 | 用于lcos的颜色不均匀性校正 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7253845B2 (zh) |
EP (1) | EP1330131A3 (zh) |
JP (1) | JP4902933B2 (zh) |
KR (1) | KR100950166B1 (zh) |
CN (1) | CN100477803C (zh) |
MX (1) | MXPA03000536A (zh) |
MY (1) | MY141565A (zh) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7253845B2 (en) * | 2002-01-22 | 2007-08-07 | Thomson Licensing | Color non-uniformity correction for LCOS |
CN1311683C (zh) * | 2002-06-26 | 2007-04-18 | 松下电器产业株式会社 | 特性校正装置 |
JP2004159191A (ja) * | 2002-11-07 | 2004-06-03 | Seiko Epson Corp | 画像データに応じたフレームレートの変換 |
EP1620806A2 (en) * | 2003-04-03 | 2006-02-01 | Koninklijke Philips Electronics N.V. | Runtime configurable virtual video pipeline |
EP1503333A1 (en) | 2003-08-01 | 2005-02-02 | Sony International (Europe) GmbH | Correction of non-uniform image display |
WO2005015533A1 (en) * | 2003-08-11 | 2005-02-17 | Koninklijke Philips Electronics, N.V. | Uniformity correction of black and white states in liquid crystal displays |
FR2869744A1 (fr) * | 2004-04-29 | 2005-11-04 | Thomson Licensing Sa | Methode de transmission de paquets de donnees numeriques et appareil implementant la methode |
US7295192B2 (en) * | 2004-05-04 | 2007-11-13 | Au Optronics Corporation | Compensating color shift of electro-luminescent displays |
KR100744111B1 (ko) | 2004-11-12 | 2007-08-01 | 삼성전자주식회사 | 영상 신호의 회색 성분 보상 장치 |
JP4840740B2 (ja) * | 2004-12-01 | 2011-12-21 | 株式会社メガチップス | 画素補間方法および画像判定方法 |
US20070205969A1 (en) * | 2005-02-23 | 2007-09-06 | Pixtronix, Incorporated | Direct-view MEMS display devices and methods for generating images thereon |
JP2006259372A (ja) * | 2005-03-17 | 2006-09-28 | Victor Co Of Japan Ltd | 色むら補正装置 |
US7605785B2 (en) | 2005-07-12 | 2009-10-20 | Eastman Kodak Company | Black level uniformity correction method |
CN100437744C (zh) * | 2005-12-21 | 2008-11-26 | 比亚迪股份有限公司 | 一种显示终端色彩调整方法和系统 |
US20080068293A1 (en) * | 2006-09-19 | 2008-03-20 | Tvia, Inc. | Display Uniformity Correction Method and System |
US20080068396A1 (en) * | 2006-09-19 | 2008-03-20 | Tvia, Inc. | Gamma Uniformity Correction Method and System |
US20080068404A1 (en) * | 2006-09-19 | 2008-03-20 | Tvia, Inc. | Frame Rate Controller Method and System |
US20080266459A1 (en) * | 2007-04-26 | 2008-10-30 | Mark Butterworth | Multiple format video display |
JP2009003180A (ja) * | 2007-06-21 | 2009-01-08 | Nanao Corp | 表示方法及び表示装置 |
JP4922091B2 (ja) * | 2007-07-23 | 2012-04-25 | ルネサスエレクトロニクス株式会社 | 映像信号処理装置、映像信号処理方法及び表示装置 |
JP5342125B2 (ja) * | 2007-10-11 | 2013-11-13 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | 映像信号をディザリング処理する映像信号処理装置 |
US8295359B2 (en) * | 2008-03-18 | 2012-10-23 | Auratechnic, Inc. | Reducing differentials in visual media |
US20100079503A1 (en) * | 2008-09-30 | 2010-04-01 | Texas Instruments Incorporated | Color Correction Based on Light Intensity in Imaging Systems |
US20120056910A1 (en) * | 2010-08-30 | 2012-03-08 | Qualcomm Incorporated | Calibration of display for color response shifts at different luminance settings and for cross-talk between channels |
US9014504B2 (en) * | 2012-05-31 | 2015-04-21 | Apple Inc. | Systems and methods for highlight recovery in an image signal processor |
CN104599632B (zh) * | 2015-01-05 | 2017-10-27 | 昆山国显光电有限公司 | 提高oled显示亮度均匀性的方法及装置 |
US20160381253A1 (en) * | 2015-06-26 | 2016-12-29 | Mediatek Inc. | Image processor comprising local color processing circuits and associated image processing method for adjusting blue light strength of image |
CN105654891B (zh) * | 2016-04-05 | 2018-06-26 | 京东方科技集团股份有限公司 | 一种获取mura补偿值的方法、装置及显示面板 |
GB2569791B (en) * | 2017-12-21 | 2022-10-05 | Displaylink Uk Ltd | Display system with defect correction |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59224861A (ja) * | 1983-06-06 | 1984-12-17 | Canon Inc | カラ−複写機 |
US5260787A (en) * | 1991-05-14 | 1993-11-09 | Sony Electronics Inc. | Film-to-video frame image conversion apparatus and method for selectively identifying video fields and frames |
US5255083A (en) * | 1991-06-05 | 1993-10-19 | Sony Corporation Of America | Digital color correction system and method |
US5155586A (en) * | 1991-08-19 | 1992-10-13 | Sony Corporation Of America | Method and apparatus for flare correction |
GB9322260D0 (en) * | 1993-10-28 | 1993-12-15 | Pandora Int Ltd | Digital video processor |
US5510851A (en) * | 1994-03-29 | 1996-04-23 | Radius Inc. | Method and apparatus for dynamic purity correction |
JPH09146496A (ja) * | 1995-11-17 | 1997-06-06 | Nec Corp | 色むら及び輝度むら補正回路付プロジェクタ |
US6226034B1 (en) * | 1997-05-06 | 2001-05-01 | Roper Scientificomasd, Inc. | Spatial non-uniformity correction of a color sensor |
JPH1185110A (ja) * | 1997-09-09 | 1999-03-30 | Sony Corp | 表示装置及び表示方法 |
US6456340B1 (en) * | 1998-08-12 | 2002-09-24 | Pixonics, Llc | Apparatus and method for performing image transforms in a digital display system |
JP3460601B2 (ja) * | 1998-11-26 | 2003-10-27 | 日本ビクター株式会社 | マトリクス型表示装置の映像信号処理回路及び映像信号処理方法 |
JP2000221925A (ja) * | 1999-01-29 | 2000-08-11 | Matsushita Electric Ind Co Ltd | 液晶駆動回路 |
JP3632505B2 (ja) * | 1999-06-18 | 2005-03-23 | セイコーエプソン株式会社 | 画像表示装置 |
JP3661584B2 (ja) * | 2000-01-28 | 2005-06-15 | セイコーエプソン株式会社 | 電気光学装置、画像処理回路、画像データ補正方法、および、電子機器 |
JP4518623B2 (ja) | 2000-05-10 | 2010-08-04 | 三菱電機株式会社 | 投写型液晶表示装置 |
JP2001343950A (ja) * | 2000-06-02 | 2001-12-14 | Sony Corp | 画像表示装置および方法 |
KR100750929B1 (ko) * | 2001-07-10 | 2007-08-22 | 삼성전자주식회사 | 색 보정 기능을 갖는 액정 표시 장치 및 이의 구동 장치및 그 방법 |
US7253845B2 (en) * | 2002-01-22 | 2007-08-07 | Thomson Licensing | Color non-uniformity correction for LCOS |
-
2002
- 2002-05-09 US US10/142,573 patent/US7253845B2/en not_active Expired - Lifetime
-
2003
- 2003-01-16 EP EP03290113A patent/EP1330131A3/en not_active Withdrawn
- 2003-01-17 MX MXPA03000536A patent/MXPA03000536A/es active IP Right Grant
- 2003-01-20 JP JP2003011559A patent/JP4902933B2/ja not_active Expired - Fee Related
- 2003-01-20 MY MYPI20030179A patent/MY141565A/en unknown
- 2003-01-21 KR KR1020030003927A patent/KR100950166B1/ko not_active IP Right Cessation
- 2003-01-21 CN CNB031029140A patent/CN100477803C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1330131A3 (en) | 2004-05-19 |
KR20030063221A (ko) | 2003-07-28 |
CN1440205A (zh) | 2003-09-03 |
US20030137606A1 (en) | 2003-07-24 |
JP2003308053A (ja) | 2003-10-31 |
KR100950166B1 (ko) | 2010-03-30 |
MY141565A (en) | 2010-05-14 |
MXPA03000536A (es) | 2004-09-03 |
JP4902933B2 (ja) | 2012-03-21 |
EP1330131A2 (en) | 2003-07-23 |
US7253845B2 (en) | 2007-08-07 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING S.A. Address before: French Boulogne Patentee before: THOMSON LICENSING S.A. |
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CP02 | Change in the address of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190530 Address after: Paris France Patentee after: Interactive digital CE patent holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING S.A. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20210121 |
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CF01 | Termination of patent right due to non-payment of annual fee |