CA2380526C - Image display apparatus - Google Patents

Image display apparatus Download PDF

Info

Publication number
CA2380526C
CA2380526C CA002380526A CA2380526A CA2380526C CA 2380526 C CA2380526 C CA 2380526C CA 002380526 A CA002380526 A CA 002380526A CA 2380526 A CA2380526 A CA 2380526A CA 2380526 C CA2380526 C CA 2380526C
Authority
CA
Canada
Prior art keywords
light
shutter
display apparatus
image display
translucency
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
CA002380526A
Other languages
English (en)
French (fr)
Other versions
CA2380526A1 (en
Inventor
Eric Macellin-Dibon
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 Training and Simulation Ltd
Original Assignee
Thales Training and Simulation 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10858275&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2380526(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thales Training and Simulation Ltd filed Critical Thales Training and Simulation Ltd
Publication of CA2380526A1 publication Critical patent/CA2380526A1/en
Application granted granted Critical
Publication of CA2380526C publication Critical patent/CA2380526C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
    • H04N2005/745—Control circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Endoscopes (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Projection Apparatus (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
CA002380526A 1999-07-31 2000-07-14 Image display apparatus Expired - Fee Related CA2380526C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9917973.1 1999-07-31
GBGB9917973.1A GB9917973D0 (en) 1999-07-31 1999-07-31 Image display apparatus
PCT/GB2000/002729 WO2001009676A1 (en) 1999-07-31 2000-07-14 Image display apparatus

Publications (2)

Publication Number Publication Date
CA2380526A1 CA2380526A1 (en) 2001-02-08
CA2380526C true CA2380526C (en) 2009-04-21

Family

ID=10858275

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002380526A Expired - Fee Related CA2380526C (en) 1999-07-31 2000-07-14 Image display apparatus

Country Status (10)

Country Link
US (1) US6967641B1 (enExample)
EP (1) EP1200873B1 (enExample)
JP (1) JP2003506745A (enExample)
AT (1) ATE326714T1 (enExample)
AU (1) AU5999600A (enExample)
CA (1) CA2380526C (enExample)
DE (1) DE60028041D1 (enExample)
GB (1) GB9917973D0 (enExample)
NO (1) NO325896B1 (enExample)
WO (1) WO2001009676A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6741323B2 (en) * 2002-08-12 2004-05-25 Digital Theater Systems, Inc. Motion picture subtitle system and method
US7221759B2 (en) * 2003-03-27 2007-05-22 Eastman Kodak Company Projector with enhanced security camcorder defeat
JP4059271B2 (ja) * 2003-06-13 2008-03-12 ソニー株式会社 投射型表示装置
JP3843973B2 (ja) * 2003-09-02 2006-11-08 セイコーエプソン株式会社 プロジェクタ
DE102004018344A1 (de) 2004-04-15 2005-11-10 Reinz-Dichtungs-Gmbh Metallische Flachdichtung
JP2006098803A (ja) * 2004-09-29 2006-04-13 Toshiba Corp 動画処理方法、動画処理装置および動画処理プログラム
US20070046594A1 (en) * 2005-08-26 2007-03-01 Pasch Nicholas F Optical shutter for a display apparatus comprising an array of switches
JP2010175907A (ja) * 2009-01-30 2010-08-12 Victor Co Of Japan Ltd 投射型表示装置及びその表示方法
US20130147696A1 (en) * 2011-12-12 2013-06-13 Jani Edvin Penttilä Display Moving Image Quality Improvement In 3D Barrier Type Display
JP5717840B2 (ja) * 2012-09-11 2015-05-13 カラーリンク・ジャパン 株式会社 プロジェクション装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57201295A (en) 1981-06-04 1982-12-09 Sony Corp Two-dimensional address device
KR920007165B1 (ko) 1989-01-31 1992-08-27 주식회사 금성사 비데오 프린터 겸용의 액정프로젝터
JP2599309B2 (ja) * 1989-11-22 1997-04-09 パイオニア株式会社 液晶プロジェクタ
DE69231597T2 (de) * 1991-03-19 2001-05-31 Hitachi, Ltd. Flüssigkristallanzeigevorrichtung
KR960013313B1 (ko) 1991-07-12 1996-10-02 가부시키가이샤 한도오따이 에네루기 겐큐쇼 전기광학 표시장치
TW281734B (enExample) 1993-06-20 1996-07-21 Unic View Ltd
US6243055B1 (en) * 1994-10-25 2001-06-05 James L. Fergason Optical display system and method with optical shifting of pixel position including conversion of pixel layout to form delta to stripe pattern by time base multiplexing
US6204901B1 (en) * 1997-07-31 2001-03-20 Duke University Liquid crystal color shutters that include reflective polarizers that pass color components of light of a first polarization and that reflect a majority of color components of light of a second polarization
AU8639498A (en) 1997-08-05 1999-03-01 Allan John Davie Liquid crystal controlled display apparatus

Also Published As

Publication number Publication date
EP1200873B1 (en) 2006-05-17
GB9917973D0 (en) 1999-09-29
NO20020437L (no) 2002-01-28
CA2380526A1 (en) 2001-02-08
EP1200873A1 (en) 2002-05-02
AU5999600A (en) 2001-02-19
JP2003506745A (ja) 2003-02-18
US6967641B1 (en) 2005-11-22
WO2001009676A1 (en) 2001-02-08
NO20020437D0 (no) 2002-01-28
NO325896B1 (no) 2008-08-11
ATE326714T1 (de) 2006-06-15
DE60028041D1 (de) 2006-06-22

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