MXPA03000536A - Correcion de no uniformidad en color para un cristal liquido en despliegue de silicio. - Google Patents

Correcion de no uniformidad en color para un cristal liquido en despliegue de silicio.

Info

Publication number
MXPA03000536A
MXPA03000536A MXPA03000536A MXPA03000536A MXPA03000536A MX PA03000536 A MXPA03000536 A MX PA03000536A MX PA03000536 A MXPA03000536 A MX PA03000536A MX PA03000536 A MXPA03000536 A MX PA03000536A MX PA03000536 A MXPA03000536 A MX PA03000536A
Authority
MX
Mexico
Prior art keywords
correction
video signal
brightness
color
rgb
Prior art date
Application number
MXPA03000536A
Other languages
English (en)
Inventor
Daniel Mark Hutchinson
Original Assignee
Thomson Licensing Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of MXPA03000536A publication Critical patent/MXPA03000536A/es

Links

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
    • 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
    • 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
    • G09G3/2044—Display of intermediate tones using dithering
    • G09G3/2051—Display of intermediate tones using dithering with use of a spatial dither pattern
    • 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
    • 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
    • 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
    • G09G3/34—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Processing Of Color Television Signals (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
  • Image Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

Un metodo (400) y un sistema (100) para proporcionar senales de video en despliegue de video, los cuales incluyen el paso de recibir por lo menos una senal (150) de video de entrada, bajar de amplitud (445) la correccion de no uniformidad de color, aplicar (450) la correccion de no uniformidad de color en la senal de video de entrada para generar una senal de video corregida de color y aumentar la velocidad de cuadros de la senal de video (120) corregida de color. La correccion (125) gamma se puede aplicar a la correccion de color. Generar la correccion de no uniformidad de color de baja amplitud puede incluir seleccionar del almacenamiento (115) de datos una pluralidad de matrices (300) de correccion RGB, medir por lo menos un nivel de brillo de la senal de video de entrada, seleccionar para la correccion de nivel de imagen una primera matriz de correccion RGB cuando el brillo esta dentro de un primer intervalo de valores (425), una segunda matriz de correccion RGB cuando el brillo esta dentro de un segundo intervalo de valores (435) e interpolar (440) la pluralidad de matrices de correccion RGB cuando el brillo esta dentro de un tercer intervalo de valores.
MXPA03000536A 2002-01-22 2003-01-17 Correcion de no uniformidad en color para un cristal liquido en despliegue de silicio. MXPA03000536A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35061902P 2002-01-22 2002-01-22
US10/142,573 US7253845B2 (en) 2002-01-22 2002-05-09 Color non-uniformity correction for LCOS

Publications (1)

Publication Number Publication Date
MXPA03000536A true MXPA03000536A (es) 2004-09-03

Family

ID=26840228

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA03000536A MXPA03000536A (es) 2002-01-22 2003-01-17 Correcion de no uniformidad en color para un cristal liquido en despliegue de silicio.

Country Status (7)

Country Link
US (1) US7253845B2 (es)
EP (1) EP1330131A3 (es)
JP (1) JP4902933B2 (es)
KR (1) KR100950166B1 (es)
CN (1) CN100477803C (es)
MX (1) MXPA03000536A (es)
MY (1) MY141565A (es)

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JP4590398B2 (ja) * 2003-04-03 2010-12-01 エヌエックスピー ビー ヴィ ランタイム構成可能仮想ビデオパイプライン
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
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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
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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
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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
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Also Published As

Publication number Publication date
EP1330131A3 (en) 2004-05-19
CN1440205A (zh) 2003-09-03
JP4902933B2 (ja) 2012-03-21
US7253845B2 (en) 2007-08-07
MY141565A (en) 2010-05-14
US20030137606A1 (en) 2003-07-24
KR100950166B1 (ko) 2010-03-30
EP1330131A2 (en) 2003-07-23
CN100477803C (zh) 2009-04-08
KR20030063221A (ko) 2003-07-28
JP2003308053A (ja) 2003-10-31

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