[go: up one dir, main page]

FR2867890B1 - Dispositif de detection d'image figee sur un ecran a cristaux liquides - Google Patents

Dispositif de detection d'image figee sur un ecran a cristaux liquides

Info

Publication number
FR2867890B1
FR2867890B1 FR0402871A FR0402871A FR2867890B1 FR 2867890 B1 FR2867890 B1 FR 2867890B1 FR 0402871 A FR0402871 A FR 0402871A FR 0402871 A FR0402871 A FR 0402871A FR 2867890 B1 FR2867890 B1 FR 2867890B1
Authority
FR
France
Prior art keywords
liquid crystal
crystal display
detection device
device shown
image detection
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
Application number
FR0402871A
Other languages
English (en)
Other versions
FR2867890A1 (fr
Inventor
Lauzun Frederic De
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thales 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 Thales SA filed Critical Thales SA
Priority to FR0402871A priority Critical patent/FR2867890B1/fr
Priority to US10/593,408 priority patent/US20070222474A1/en
Priority to CA002560473A priority patent/CA2560473A1/fr
Priority to EP05717074A priority patent/EP1726003A1/fr
Priority to PCT/EP2005/051209 priority patent/WO2005096261A1/fr
Publication of FR2867890A1 publication Critical patent/FR2867890A1/fr
Application granted granted Critical
Publication of FR2867890B1 publication Critical patent/FR2867890B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
    • 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
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • 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
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/12—Test circuits or failure detection circuits included in a display system, as permanent part thereof
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (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)
  • Liquid Crystal Display Device Control (AREA)
FR0402871A 2004-03-19 2004-03-19 Dispositif de detection d'image figee sur un ecran a cristaux liquides Expired - Fee Related FR2867890B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0402871A FR2867890B1 (fr) 2004-03-19 2004-03-19 Dispositif de detection d'image figee sur un ecran a cristaux liquides
US10/593,408 US20070222474A1 (en) 2004-03-19 2005-03-16 Device for Detecting a Fixed Image on a Liquid Crystal Display Screen
CA002560473A CA2560473A1 (fr) 2004-03-19 2005-03-16 Dispositif de detection d'image figee sur un ecran a cristaux liquides
EP05717074A EP1726003A1 (fr) 2004-03-19 2005-03-16 Dispositif de detection d'image figee sur un ecran a cristaux liquides
PCT/EP2005/051209 WO2005096261A1 (fr) 2004-03-19 2005-03-16 Dispositif de detection d'image figee sur un ecran a cristaux liquides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0402871A FR2867890B1 (fr) 2004-03-19 2004-03-19 Dispositif de detection d'image figee sur un ecran a cristaux liquides

Publications (2)

Publication Number Publication Date
FR2867890A1 FR2867890A1 (fr) 2005-09-23
FR2867890B1 true FR2867890B1 (fr) 2006-11-03

Family

ID=34896659

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0402871A Expired - Fee Related FR2867890B1 (fr) 2004-03-19 2004-03-19 Dispositif de detection d'image figee sur un ecran a cristaux liquides

Country Status (5)

Country Link
US (1) US20070222474A1 (fr)
EP (1) EP1726003A1 (fr)
CA (1) CA2560473A1 (fr)
FR (1) FR2867890B1 (fr)
WO (1) WO2005096261A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100814342B1 (ko) * 2005-12-09 2008-03-31 최해용 램프 사인 겸용 영상스크린
KR20080101680A (ko) * 2007-05-18 2008-11-21 가부시키가이샤 한도오따이 에네루기 켄큐쇼 액정 표시장치, 전자 기기, 및 그의 구동방법
FR2934917B1 (fr) * 2008-08-08 2010-12-10 Thales Sa Dispositif de visualisation a ecran matriciel securise.
FR2939002B1 (fr) * 2008-11-21 2010-12-24 Thales Sa Procede d'affichage et dispositif de visualisation permettant de securiser l'ecran contre le gel d'image.
FR2950183B1 (fr) * 2009-09-17 2012-05-25 Airbus Operations Sas Installation pour detecter et afficher les pannes des systemes fonctionnels d'un aeronef
US9117123B2 (en) * 2010-07-05 2015-08-25 Magna Electronics Inc. Vehicular rear view camera display system with lifecheck function
DE102012105639A1 (de) * 2012-06-27 2014-01-02 Wachendorff Elektronik Gmbh & Co. Kg Verfahren zur Überprüfung der auf einer Anzeigeeinrichtung wiedergegebenen Anzeige und elektronisches Anzeigesystem
CN102914746A (zh) * 2012-08-14 2013-02-06 昆山兴能能源科技有限公司 锂离子电池芯绝缘电阻测量装置及测量方法
TWI688938B (zh) 2018-05-22 2020-03-21 元太科技工業股份有限公司 可抑制電磁干擾的顯示裝置及顯示驅動電路
CN112078515B (zh) * 2020-08-05 2022-03-04 东风电驱动系统有限公司 Tft屏报警灯检测方法及系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59195627A (ja) * 1983-04-21 1984-11-06 Olympus Optical Co Ltd 液晶表示装置
US4888599A (en) * 1987-10-23 1989-12-19 Rockwell International Corp. Real time apparatus for adjusting contrast ratio of liquid crystal displays
FR2737313B1 (fr) * 1995-07-25 1997-08-22 Sextant Avionique Ecran de visualisation a cristal liquide
FR2754609B1 (fr) * 1996-10-15 1998-12-18 Sextant Avionique Panneau de visualisation avec compensation par films birefringents holographiques
FR2765023B1 (fr) * 1997-06-20 1999-09-17 Sextant Avionique Procede et dispositif de polarisation d'un ecran lcd en fonction de l'eclairage ambiant
FR2777361B1 (fr) * 1998-04-14 2003-06-20 Sextant Avionique Amelioration de l'angle de vue d'un ecran lcd par decroisement
US6377237B1 (en) * 2000-01-07 2002-04-23 Agilent Technologies, Inc. Method and system for illuminating a layer of electro-optical material with pulses of light
US6633329B2 (en) * 2001-02-06 2003-10-14 Tektronix, Inc. Frozen field detection of formerly encoded video
US7002637B2 (en) * 2001-03-16 2006-02-21 Evertz Microsystems Ltd. System and method for detecting picture freeze within a video signal
WO2003034131A1 (fr) * 2001-10-16 2003-04-24 Spectratech Inc. Afficheur a cristaux liquides et son procede de correction

Also Published As

Publication number Publication date
EP1726003A1 (fr) 2006-11-29
US20070222474A1 (en) 2007-09-27
WO2005096261A1 (fr) 2005-10-13
FR2867890A1 (fr) 2005-09-23
CA2560473A1 (fr) 2005-10-13

Similar Documents

Publication Publication Date Title
EP1958019A4 (fr) Dispositif d'affichage a cristaux liquides
EP1890186A4 (fr) Dispositif d'affichage a cristaux liquides
EP1862845A4 (fr) Dispositif d'affichage a cristaux liquides
EP2006735A4 (fr) Projecteur a cristaux liquides et dispositif de reproduction d'image
EP1489590A4 (fr) Dispositif d'affichage a cristaux liquides
FR2887395B1 (fr) Dispositif d'affichage a cristaux liquides
FR2902899B1 (fr) Lentille a cristaux liquides et dispositif d'affichage d'images comportant celle-ci
EP1492077A4 (fr) Dispositif d'affichage a cristaux liquides
FR2895527B1 (fr) Unite de retroeclairage et dispositif d'affichage a cristaux liquides l'utilisant
FR2870013B1 (fr) Dispositif d'affichage a cristaux liquides a mode ips disposant d'un rapport de constraste ameliore
EP2051136A4 (fr) Dispositif d'affichage à cristaux liquides
EP1542066A4 (fr) Dispositif d'affichage a cristaux liquides et a cristaux liquides
EP1879066A4 (fr) Panneau a compensation de dephase, compensateur de dephase, dispositif d'affichage a cristaux liquides et dispositif d'affichage d'images de type projecteur
EP1811323A4 (fr) Plaque de déviation et dispositif d affichage à cristaux liquides
EP1659788A4 (fr) Dispositif d'affichage d'image
FR2821901B1 (fr) Dispositif pour supporter un ecran plat a cristaux liquides
EP2058701A4 (fr) Dispositif de projection et dispositif d'affichage d'image
FR2893426B1 (fr) Unite de retroeclairage et dispositif d'affichage a cristaux liquides utilisant celui-ci
FR2856505B1 (fr) Dispositif d'affichage a cristaux liquides
EP2026120A4 (fr) Dispositif d'affichage à cristaux liquides à transmission
FR2859287B1 (fr) Procede de fabrication d'un dispositif d'affichage a cristaux liquides
FR2805917B1 (fr) Dispositif d'affichage a cristaux liquides
EP1341028A4 (fr) Dispositif afficheur a cristaux liquides et dispositif projecteur a cristaux liquides
EP1770416A4 (fr) Filtre de couleur et dispositif d'affichage a cristaux liquides couleur
EP1922977A4 (fr) Dispositif d'affichage d'image

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 13

PLFP Fee payment

Year of fee payment: 14

PLFP Fee payment

Year of fee payment: 15

PLFP Fee payment

Year of fee payment: 17

PLFP Fee payment

Year of fee payment: 18

PLFP Fee payment

Year of fee payment: 19

ST Notification of lapse

Effective date: 20231105