FR2652434A1 - Procede et dispositif d'optimisation du contraste et de l'angle de vue d'un afficheur a cristaux liquides. - Google Patents

Procede et dispositif d'optimisation du contraste et de l'angle de vue d'un afficheur a cristaux liquides. Download PDF

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Publication number
FR2652434A1
FR2652434A1 FR8912454A FR8912454A FR2652434A1 FR 2652434 A1 FR2652434 A1 FR 2652434A1 FR 8912454 A FR8912454 A FR 8912454A FR 8912454 A FR8912454 A FR 8912454A FR 2652434 A1 FR2652434 A1 FR 2652434A1
Authority
FR
France
Prior art keywords
contrast
cell
zone
determined
luminance
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.)
Granted
Application number
FR8912454A
Other languages
English (en)
French (fr)
Other versions
FR2652434B1 (OSRAM
Inventor
Fagard Pierre
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 Avionics SAS
Original Assignee
Thales Avionics SAS
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 Avionics SAS filed Critical Thales Avionics SAS
Priority to FR8912454A priority Critical patent/FR2652434A1/fr
Priority to EP90402598A priority patent/EP0420727B1/fr
Priority to DE69007399T priority patent/DE69007399T2/de
Priority to US07/587,124 priority patent/US5162785A/en
Publication of FR2652434A1 publication Critical patent/FR2652434A1/fr
Priority to SG99094A priority patent/SG99094G/en
Application granted granted Critical
Publication of FR2652434B1 publication Critical patent/FR2652434B1/fr
Priority to HK11895A priority patent/HK11895A/xx
Granted 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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • 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
    • G09G2320/028—Improving the quality of display appearance by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
FR8912454A 1989-09-22 1989-09-22 Procede et dispositif d'optimisation du contraste et de l'angle de vue d'un afficheur a cristaux liquides. Granted FR2652434A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR8912454A FR2652434A1 (fr) 1989-09-22 1989-09-22 Procede et dispositif d'optimisation du contraste et de l'angle de vue d'un afficheur a cristaux liquides.
EP90402598A EP0420727B1 (fr) 1989-09-22 1990-09-20 Procédé et dispositif d'optimisation du contraste et de l'angle de vue d'un afficheur à cristaux liquides
DE69007399T DE69007399T2 (de) 1989-09-22 1990-09-20 Methode und Vorrichtung zur Optimierung des Kontrastes und des Sichtwinkels einer Flüssigkristall-Anzeige.
US07/587,124 US5162785A (en) 1989-09-22 1990-09-24 Method and devices for optimizing the contrast and the angle of view of a liquid crystal display
SG99094A SG99094G (en) 1989-09-22 1994-07-21 Method and device for optimalisation OT the contrast and the viewing angle of a liquid crystal display
HK11895A HK11895A (en) 1989-09-22 1995-01-26 Method and device for optimalisation ot the contrast and the viewing angle of a liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8912454A FR2652434A1 (fr) 1989-09-22 1989-09-22 Procede et dispositif d'optimisation du contraste et de l'angle de vue d'un afficheur a cristaux liquides.

Publications (2)

Publication Number Publication Date
FR2652434A1 true FR2652434A1 (fr) 1991-03-29
FR2652434B1 FR2652434B1 (OSRAM) 1994-08-19

Family

ID=9385755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8912454A Granted FR2652434A1 (fr) 1989-09-22 1989-09-22 Procede et dispositif d'optimisation du contraste et de l'angle de vue d'un afficheur a cristaux liquides.

Country Status (5)

Country Link
US (1) US5162785A (OSRAM)
EP (1) EP0420727B1 (OSRAM)
DE (1) DE69007399T2 (OSRAM)
FR (1) FR2652434A1 (OSRAM)
HK (1) HK11895A (OSRAM)

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FR2675295B1 (fr) * 1991-04-12 1994-03-11 Sextant Avionique Dispositif pour l'amelioration de la lisibilite d'un afficheur a cristaux liquides.
US5206633A (en) * 1991-08-19 1993-04-27 International Business Machines Corp. Self calibrating brightness controls for digitally operated liquid crystal display system
US5245326A (en) * 1991-08-19 1993-09-14 International Business Machines Corp. Calibration apparatus for brightness controls of digitally operated liquid crystal display system
FR2682798B1 (fr) * 1991-10-22 1994-01-21 Sextant Avionique Procede et dispositif d'optimisation des performances d'un ecran matriciel a cristaux liquides en fonction de l'angle d'observation.
GB9125331D0 (en) * 1991-11-28 1992-01-29 Shaye Communications Ltd Illumination of displays
US5446602A (en) * 1992-02-28 1995-08-29 E-Systems, Inc. Tape media formatted to include multiple, spaced apart system zones each for storing volume format information
JP3311832B2 (ja) * 1992-10-14 2002-08-05 テルモ株式会社 立体画像表示装置
FR2697935B1 (fr) * 1992-11-12 1995-01-13 Sextant Avionique Terminal de communication compact et ergonomique muni de surfaces de détection de proximité.
US6147669A (en) * 1993-10-08 2000-11-14 Sony Corporation Method and apparatus for communicating status and control information between a processor and a display device
US5774261A (en) * 1993-11-19 1998-06-30 Terumo Kabushiki Kaisha Image display system
EP0656730B1 (en) * 1993-12-03 2000-04-26 Terumo Kabushiki Kaisha Stereoscopic image display system
JPH07159723A (ja) * 1993-12-03 1995-06-23 Terumo Corp 立体画像表示装置
US5717422A (en) * 1994-01-25 1998-02-10 Fergason; James L. Variable intensity high contrast passive display
JPH07222204A (ja) * 1994-02-07 1995-08-18 Terumo Corp 立体画像表示装置
JPH07222866A (ja) * 1994-02-09 1995-08-22 Terumo Corp 立体画像ゲーム装置
JPH07226957A (ja) * 1994-02-09 1995-08-22 Terumo Corp 立体画像通信装置
US5402114A (en) * 1994-03-10 1995-03-28 Sun; Hann City bus line enquiry machine
US6011580A (en) * 1994-06-07 2000-01-04 Terumo Kabushiki Kaisha Image display apparatus
US6184969B1 (en) * 1994-10-25 2001-02-06 James L. Fergason Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement
US5850205A (en) * 1997-03-10 1998-12-15 Northern Telecom Limited Automatic contrast control for liquid crystal displays
US6297791B1 (en) * 1997-11-21 2001-10-02 Seiko Epson Corporation Adjustment method of display device
JP2994630B2 (ja) * 1997-12-10 1999-12-27 松下電器産業株式会社 明るさによるサブフィールド数調整可能な表示装置
JP2001034224A (ja) * 1999-05-17 2001-02-09 Canon Inc 表示濃度補正方法及び装置並びに記憶媒体
US6628255B1 (en) * 1999-06-30 2003-09-30 Agilent Technologies, Inc. Viewing angle adjustment for a liquid crystal display (LCD)
KR100381423B1 (ko) * 2001-07-23 2003-04-26 삼성전자주식회사 휴대용 컴퓨터와 그 제어방법
US8243004B2 (en) 2003-03-10 2012-08-14 Fergason Patent Properties, Llc Apparatus and method for preparing, storing, transmitting and displaying images
JP4142651B2 (ja) 2003-04-28 2008-09-03 東京特殊電線株式会社 ディスプレイ装置
KR101066474B1 (ko) * 2003-12-29 2011-09-21 엘지디스플레이 주식회사 액정표시장치의 구동장치 및 구동방법
US8125163B2 (en) 2008-05-21 2012-02-28 Manufacturing Resources International, Inc. Backlight adjustment system
US8441574B2 (en) * 2009-02-16 2013-05-14 Manufacturing Resources International, Inc. Visual identifier for images on an electronic display
US9812047B2 (en) 2010-02-25 2017-11-07 Manufacturing Resources International, Inc. System and method for remotely monitoring the operating life of electronic displays
CA2752734A1 (en) * 2009-02-16 2010-08-19 Manufacturing Resources International, Inc. Display characteristic feedback loop
EP2769376A4 (en) 2011-09-23 2015-07-22 Mri Inc SYSTEM AND METHOD FOR AMBIENT ADAPTATION OF DISPLAY FEATURES
US10319408B2 (en) 2015-03-30 2019-06-11 Manufacturing Resources International, Inc. Monolithic display with separately controllable sections
US10593255B2 (en) 2015-05-14 2020-03-17 Manufacturing Resources International, Inc. Electronic display with environmental adaptation of display characteristics based on location
US9924583B2 (en) 2015-05-14 2018-03-20 Mnaufacturing Resources International, Inc. Display brightness control based on location data
US10607520B2 (en) 2015-05-14 2020-03-31 Manufacturing Resources International, Inc. Method for environmental adaptation of display characteristics based on location
US10922736B2 (en) 2015-05-15 2021-02-16 Manufacturing Resources International, Inc. Smart electronic display for restaurants
US10269156B2 (en) 2015-06-05 2019-04-23 Manufacturing Resources International, Inc. System and method for blending order confirmation over menu board background
JP6639653B2 (ja) 2015-09-10 2020-02-05 マニュファクチャリング・リソーシズ・インターナショナル・インコーポレーテッド ディスプレイエラーのシステム検出のためのシステムおよび方法
US10319271B2 (en) 2016-03-22 2019-06-11 Manufacturing Resources International, Inc. Cyclic redundancy check for electronic displays
AU2017273560B2 (en) 2016-05-31 2019-10-03 Manufacturing Resources International, Inc. Electronic display remote image verification system and method
US10586508B2 (en) 2016-07-08 2020-03-10 Manufacturing Resources International, Inc. Controlling display brightness based on image capture device data
WO2018031717A2 (en) 2016-08-10 2018-02-15 Manufacturing Resources International, Inc. Dynamic dimming led backlight for lcd array
US10578658B2 (en) 2018-05-07 2020-03-03 Manufacturing Resources International, Inc. System and method for measuring power consumption of an electronic display assembly
US10782276B2 (en) 2018-06-14 2020-09-22 Manufacturing Resources International, Inc. System and method for detecting gas recirculation or airway occlusion
US11645029B2 (en) 2018-07-12 2023-05-09 Manufacturing Resources International, Inc. Systems and methods for remotely monitoring electronic displays
US10908863B2 (en) 2018-07-12 2021-02-02 Manufacturing Resources International, Inc. System and method for providing access to co-located operations data for an electronic display
US11137847B2 (en) 2019-02-25 2021-10-05 Manufacturing Resources International, Inc. Monitoring the status of a touchscreen
US11402940B2 (en) 2019-02-25 2022-08-02 Manufacturing Resources International, Inc. Monitoring the status of a touchscreen
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KR20230154964A (ko) 2021-03-15 2023-11-09 매뉴팩처링 리소시스 인터내셔널 인코포레이티드 전자 표시장치 조립체를 위한 팬 제어
US12105370B2 (en) 2021-03-15 2024-10-01 Manufacturing Resources International, Inc. Fan control for electronic display assemblies
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US11895362B2 (en) 2021-10-29 2024-02-06 Manufacturing Resources International, Inc. Proof of play for images displayed at electronic displays
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EP0224869A1 (en) * 1985-11-27 1987-06-10 Hosiden Corporation Transmitting type display device

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Title
PATENT ABSTRACTS OF JAPAN *

Also Published As

Publication number Publication date
US5162785A (en) 1992-11-10
EP0420727B1 (fr) 1994-03-16
DE69007399D1 (de) 1994-04-21
EP0420727A1 (fr) 1991-04-03
FR2652434B1 (OSRAM) 1994-08-19
DE69007399T2 (de) 1994-08-25
HK11895A (en) 1995-02-03

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Legal Events

Date Code Title Description
ER Errata listed in the french official journal (bopi)

Free format text: 13/91

ST Notification of lapse