DE69021825D1 - Steuerung der visuellen Eigenschaften einer Flüssigkristallanzeige. - Google Patents

Steuerung der visuellen Eigenschaften einer Flüssigkristallanzeige.

Info

Publication number
DE69021825D1
DE69021825D1 DE69021825T DE69021825T DE69021825D1 DE 69021825 D1 DE69021825 D1 DE 69021825D1 DE 69021825 T DE69021825 T DE 69021825T DE 69021825 T DE69021825 T DE 69021825T DE 69021825 D1 DE69021825 D1 DE 69021825D1
Authority
DE
Germany
Prior art keywords
lcd
control
liquid crystal
crystal display
reference element
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
DE69021825T
Other languages
English (en)
Other versions
DE69021825T2 (de
Inventor
Timothy John Eaton
Roger John Pittock
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.)
Teledyne UK Ltd
Original Assignee
EEV Ltd
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 EEV Ltd filed Critical EEV Ltd
Application granted granted Critical
Publication of DE69021825D1 publication Critical patent/DE69021825D1/de
Publication of DE69021825T2 publication Critical patent/DE69021825T2/de
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
    • 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
    • G09G2320/041—Temperature compensation
    • 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
    • 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
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen

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)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
DE69021825T 1989-10-27 1990-10-19 Steuerung der visuellen Eigenschaften einer Flüssigkristallanzeige. Expired - Fee Related DE69021825T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8924221A GB2237400B (en) 1989-10-27 1989-10-27 Control of liquid crystal display visual properties

Publications (2)

Publication Number Publication Date
DE69021825D1 true DE69021825D1 (de) 1995-09-28
DE69021825T2 DE69021825T2 (de) 1996-01-18

Family

ID=10665273

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021825T Expired - Fee Related DE69021825T2 (de) 1989-10-27 1990-10-19 Steuerung der visuellen Eigenschaften einer Flüssigkristallanzeige.

Country Status (6)

Country Link
US (1) US5157525A (de)
EP (1) EP0425210B1 (de)
JP (1) JPH03179318A (de)
AT (1) ATE126916T1 (de)
DE (1) DE69021825T2 (de)
GB (1) GB2237400B (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652434A1 (fr) * 1989-09-22 1991-03-29 Sextant Avionique Procede et dispositif d'optimisation du contraste et de l'angle de vue d'un afficheur a cristaux liquides.
GB9024978D0 (en) * 1990-11-16 1991-01-02 Rank Cintel Ltd Digital mirror spatial light modulator
GB9115401D0 (en) * 1991-07-17 1991-09-04 Philips Electronic Associated Matrix display device and its method of operation
US5245326A (en) * 1991-08-19 1993-09-14 International Business Machines Corp. Calibration apparatus for brightness controls of digitally operated liquid crystal display system
US5206633A (en) * 1991-08-19 1993-04-27 International Business Machines Corp. Self calibrating brightness controls for digitally operated liquid crystal display system
GB9125331D0 (en) * 1991-11-28 1992-01-29 Shaye Communications Ltd Illumination of displays
JP3241432B2 (ja) * 1992-05-22 2001-12-25 パイオニア株式会社 温度変化検出機能を有する光導電型液晶ライトバルブ表示装置
JP2818335B2 (ja) * 1992-05-22 1998-10-30 シャープ株式会社 液晶素子、表示装置、光検出装置、カラー複写機、印刷製版装置、画像入力／出力装置、画像演算装置、照明装置および液晶素子の製造方法
GB9211283D0 (en) * 1992-05-28 1992-07-15 Philips Electronics Uk Ltd Liquid crystal display devices
US5548420A (en) * 1993-03-16 1996-08-20 Fuji Xerox Co., Ltd. Liquid-crystal display device and method for both displaying fast moving images and holding static images
JPH07230078A (ja) * 1993-12-20 1995-08-29 Kansei Corp 液晶表示装置
US6115021A (en) * 1994-07-04 2000-09-05 Sharp Kabushiki Kaisha Method and apparatus for driving a liquid crystal panel using a ferroelectric liquid crystal material having a negative dielectric anisotropy
US6204834B1 (en) * 1994-08-17 2001-03-20 Si Diamond Technology, Inc. System and method for achieving uniform screen brightness within a matrix display
US5636041A (en) * 1995-05-24 1997-06-03 Dell Usa, L.P. Technique for increasing the visibility of an LCD panel during warm-up thereof
US5760760A (en) * 1995-07-17 1998-06-02 Dell Usa, L.P. Intelligent LCD brightness control system
JP2771499B2 (ja) * 1995-12-19 1998-07-02 静岡日本電気株式会社 表示付き個別選択呼出受信機
GB2312121A (en) * 1996-04-13 1997-10-15 Thomson Multimedia Sa LCD television projector with lamp aging compensation
US5786801A (en) * 1996-09-06 1998-07-28 Sony Corporation Back light control apparatus and method for a flat display system
US5914764A (en) * 1996-09-25 1999-06-22 Rockwell International Corporation Method and apparatus for using optical response time to control a liquid crystal display
DE19710503A1 (de) * 1997-03-13 1998-10-29 Siemens Ag Optische Anzeigevorrichtung für Fernsprechendgeräte
JP3317871B2 (ja) * 1997-03-27 2002-08-26 シャープ株式会社 表示装置
WO1999030206A1 (fr) * 1997-12-05 1999-06-17 Citizen Watch Co., Ltd. Dispositif a cristaux liquides et procede de commande de ce dernier
GB9904704D0 (en) * 1999-03-03 1999-04-21 Secr Defence Addressing bistable nematic liquid crystal devices
DE10023147A1 (de) * 2000-05-12 2001-11-15 Mannesmann Vdo Ag Verfahren zum Regeln zumindest eines Parameters einer Flüssigkristallzelle und nach einem solchen Verfahren regelbare Flüssigkristallzelle
EP1158483A3 (de) * 2000-05-24 2003-02-05 Eastman Kodak Company Festkörperanzeige mit Referenzpixel
JP2002162934A (ja) * 2000-09-29 2002-06-07 Eastman Kodak Co 発光フィードバックのフラットパネルディスプレイ
US6320325B1 (en) 2000-11-06 2001-11-20 Eastman Kodak Company Emissive display with luminance feedback from a representative pixel
KR100381423B1 (ko) * 2001-07-23 2003-04-26 삼성전자주식회사 휴대용 컴퓨터와 그 제어방법
US6836260B2 (en) * 2001-07-31 2004-12-28 Eastman Kodak Company Light emitting flat-panel display
EP1650728A3 (de) * 2001-09-10 2012-04-18 Sony Corporation Fahrzeugmontierte Anzeigevorrichtung und Fahrzeugnavigationssystem
KR100438827B1 (ko) * 2001-10-31 2004-07-05 삼성전기주식회사 영상의 계조 향상 방법 및 이를 수행하는 영상 표시 장치
US7012590B2 (en) * 2001-11-23 2006-03-14 Aiptek International Inc. Motionless-image display with auto-adjusting light system and the method for forming the same
US20030206163A1 (en) * 2001-12-31 2003-11-06 Yew-Peng Kee LCD with photo-detecting capability and control method thereof
US6720942B2 (en) 2002-02-12 2004-04-13 Eastman Kodak Company Flat-panel light emitting pixel with luminance feedback
US6870529B1 (en) 2002-03-28 2005-03-22 Ncr Corporation System and method for adjusting display brightness levels according to user preferences
EP1355289B1 (de) * 2002-04-15 2008-07-02 Pioneer Corporation Steuervorrichtung mit Verschlechterungsfeststellung für eine selbstleuchtende Anzeigevorrichtung
JP4808913B2 (ja) * 2003-04-08 2011-11-02 グローバル・オーエルイーディー・テクノロジー・リミテッド・ライアビリティ・カンパニー 表示装置
US20070247416A1 (en) * 2003-05-14 2007-10-25 Au Optronics Corp. Transflective liquid crystal display device and method of fabricating the same
TWI229764B (en) * 2003-05-14 2005-03-21 Au Optronics Corp A transflective liquid crystal display device
JP2004361618A (ja) * 2003-06-04 2004-12-24 Hitachi Displays Ltd 液晶表示装置
WO2004111984A1 (en) * 2003-06-19 2004-12-23 Koninklijke Philips Electronics N.V. Display system with impending failure indicator
US7023313B2 (en) * 2003-07-16 2006-04-04 Marvell World Trade Ltd. Power inductor with reduced DC current saturation
US20050104821A1 (en) * 2003-11-14 2005-05-19 Nokia Corporation Display arrangement
US20050253777A1 (en) * 2004-05-12 2005-11-17 E Ink Corporation Tiled displays and methods for driving same
CN100351886C (zh) * 2004-06-30 2007-11-28 友达光电股份有限公司 显示器亮度补偿装置、有机发光二极管显示器及其补偿方法
KR20070083352A (ko) * 2006-02-21 2007-08-24 삼성전자주식회사 표시 장치 및 그 구동 방법
EP1879169A1 (de) 2006-07-14 2008-01-16 Barco N.V. Alterungskompensation für Anzeigetafeln mit lichtemittierenden Elementen
EP1879172A1 (de) * 2006-07-14 2008-01-16 Barco NV Alterungskompensation für Anzeigetafeln mit lichtemittierenden Elementen
WO2008017315A1 (en) * 2006-08-08 2008-02-14 Gm Global Technology Operations, Inc. Image reproducing device and operating method therefore
KR100872352B1 (ko) * 2006-11-28 2008-12-09 한국과학기술원 데이터 구동회로 및 이를 포함하는 유기발광표시장치
TW200837697A (en) * 2007-03-07 2008-09-16 Tpo Displays Corp Comparator and image display system
KR20080101680A (ko) 2007-05-18 2008-11-21 가부시키가이샤 한도오따이 에네루기 켄큐쇼 액정 표시장치, 전자 기기, 및 그의 구동방법
TWI341406B (en) * 2007-07-23 2011-05-01 Au Optronics Corp Diaply panel and its application
US7960682B2 (en) 2007-12-13 2011-06-14 Apple Inc. Display device control based on integrated ambient light detection and lighting source characteristics
EP2159783A1 (de) * 2008-09-01 2010-03-03 Barco N.V. Verfahren und System zum Kompensieren von Alterungseffekten bei LED-Anzeigevorrichtungen
JP2010266859A (ja) * 2010-04-14 2010-11-25 Hitachi Displays Ltd 液晶表示装置

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH520937A (de) * 1970-05-27 1972-03-31 Bbc Brown Boveri & Cie Anordnung zur Anzeige einer elektrischen Messspannung mittels eines sich zwischen zwei Elektroden flächig erstreckenden Anzeige-Mediums
US3770961A (en) * 1972-11-24 1973-11-06 Baird Atomic Inc Liquid crystal imaging system
US4119842A (en) * 1977-06-17 1978-10-10 General Motors Corporation Heater control system for liquid crystal device
JPS5481879A (en) * 1977-12-12 1979-06-29 Seiko Instr & Electronics Ltd Electronic watch
GB2042238B (en) * 1979-02-14 1982-12-08 Matsushita Electric Ind Co Ltd Drive circuit for a liquid crystal display panel
JPS5639523A (en) * 1979-09-10 1981-04-15 Hitachi Ltd Liquid crystal display device
JPS5685792A (en) * 1979-12-14 1981-07-13 Citizen Watch Co Ltd Liquid crystal display unit
US4603946A (en) * 1982-09-29 1986-08-05 Kabushiki Kaisha Tokai Rika Denki Seisakusho Reflection controllable view mirror device for motor vehicle or the like
US4690508A (en) * 1982-12-15 1987-09-01 C-D Marketing, Ltd. Liquid crystal closed-loop controlled mirror systems
JPS59195627A (ja) * 1983-04-21 1984-11-06 Olympus Optical Co Ltd 液晶表示装置
US4775891A (en) * 1984-08-31 1988-10-04 Casio Computer Co., Ltd. Image display using liquid crystal display panel
US4795248A (en) * 1984-08-31 1989-01-03 Olympus Optical Company Ltd. Liquid crystal eyeglass
US4825201A (en) * 1985-10-01 1989-04-25 Mitsubishi Denki Kabushiki Kaisha Display device with panels compared to form correction signals
JPS62125329A (ja) * 1985-11-27 1987-06-06 Hosiden Electronics Co Ltd 透過形表示装置
US4738514A (en) * 1986-01-16 1988-04-19 Rca Corporation Crystal variation compensation circuit for liquid crystal displays
JPS62246014A (ja) * 1986-04-18 1987-10-27 Fujitsu Ltd 液晶表示装置
DE3634508C1 (en) * 1986-10-09 1988-06-16 Rupert Fuerthbauer Optical filter with automatic control of the optical transmission
JPS6398636A (ja) * 1986-10-16 1988-04-30 Fujitsu Ltd 液晶表示装置の順応駆動方法
GB2199439B (en) * 1986-12-10 1990-03-28 Smiths Industries Plc Display units
JP2612267B2 (ja) * 1987-03-31 1997-05-21 キヤノン株式会社 表示制御装置
JPH07113723B2 (ja) * 1987-06-29 1995-12-06 ホシデン株式会社 液晶表示装置
US4848877A (en) * 1987-09-29 1989-07-18 Cambridge Research And Instrumentation, Inc. Liquid crystal devices and systems using such devices
US4888599A (en) * 1987-10-23 1989-12-19 Rockwell International Corp. Real time apparatus for adjusting contrast ratio of liquid crystal displays
GB2213303B (en) * 1987-12-02 1992-01-08 Gen Electric Co Plc Liquid crystal displays

Also Published As

Publication number Publication date
EP0425210B1 (de) 1995-08-23
GB2237400B (en) 1994-04-20
EP0425210A3 (en) 1992-08-19
GB2237400A (en) 1991-05-01
GB8924221D0 (en) 1989-12-13
JPH03179318A (ja) 1991-08-05
DE69021825T2 (de) 1996-01-18
ATE126916T1 (de) 1995-09-15
EP0425210A2 (de) 1991-05-02
US5157525A (en) 1992-10-20

Similar Documents

Publication Publication Date Title
DE69021825D1 (de) Steuerung der visuellen Eigenschaften einer Flüssigkristallanzeige.
US5103328A (en) Liquid crystal display device having light shutter elements disposed between the backlight source and the display panel
DE69625261D1 (de) Steuerschaltung für eine Flüssigkristallanzeige mit Driftkompensation der Schwellenspannung
DE69621074T2 (de) Helligkeitsregelung in einer Flüssigkristallanzeigeeinrichtung mit Kompensation der Nichtlinearität
DE69739829D1 (de) Herstellung einer Flüssigkristallanzeige mit homöotroper Orientierung
EP0572207A3 (de) Beleuchtungssteuerung einer Hinterbeleuchtung für eine LCD-Anlage
EP1018718A4 (de) Anzeigevorrichtung
ATE157793T1 (de) Verfahren und vorrichtung zur ansteuerung einer flüssigkristall-anzeigeeinrichtung
EP1387209A3 (de) Licht Modulator und Anzeige mit photonischem Kristall
WO2004059603A3 (en) Display drive device and drive controlling method
EP0361868A3 (de) Flüssigkristallanzeigevorrichtung
DE69123604D1 (de) Elektrophoretische anzeigetafel unter verwendung von graustufenfähigkeit mit flächenmodulation
BR9404081A (pt) Processo de determinar um parâmetro associado com, e a pressão de controle requerida para, o engate inicial de elementos de embreagem em uma transmissão de deslocamento de potência
DE69206168D1 (de) Methode zum Betrieb einer polymerverkapselten Flüssigkristallzelle unter Verwendung von geformten Spannungspulsen und Lichtventil, das dieselbe verwendet.
TW373095B (en) Method for driving optical modulation unit, optical modulation or image display system
JPH0312633A (ja) 液晶表示装置
ES2082911T3 (es) Aparato de cristal liquido y metodo de control del mismo.
WO2004074909A3 (en) Liquid crystal display apparatus
ATE89934T1 (de) Elektrooptisches anzeigeelement.
WO2018186447A1 (ja) 液晶調光装置及び液晶調光方法
DE4129846A1 (de) Fluessigkristallanzeige
EP0500328A3 (en) Display apparatus
EP0944957B1 (de) Pulsbreitenmodulator mit sehr niedrigem tastverhältnis
EP1229511A3 (de) Flüssigkristallanzeige mit verbesserter Helligkeitssteuerung
DE69408269D1 (de) Matrix-Flüssigkristallanzeige mit einer Funktion zur Korrektur des Sichtwinkels

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee