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DE69528446D1 - Hochleistungs-Projektionsanzeigevorrichtung mit zwei Lichtventilen - Google Patents

Hochleistungs-Projektionsanzeigevorrichtung mit zwei Lichtventilen

Info

Publication number
DE69528446D1
DE69528446D1 DE69528446T DE69528446T DE69528446D1 DE 69528446 D1 DE69528446 D1 DE 69528446D1 DE 69528446 T DE69528446 T DE 69528446T DE 69528446 T DE69528446 T DE 69528446T DE 69528446 D1 DE69528446 D1 DE 69528446D1
Authority
DE
Germany
Prior art keywords
display device
high performance
projection display
light valves
performance projection
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 - Lifetime
Application number
DE69528446T
Other languages
English (en)
Other versions
DE69528446T2 (de
Inventor
Fuad Elias Doany
Donis George Flagello
Alan Edward Rosenbulth
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69528446D1 publication Critical patent/DE69528446D1/de
Publication of DE69528446T2 publication Critical patent/DE69528446T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
    • H04N9/3114—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources by using a sequential colour filter producing one colour at a time
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133621—Illuminating devices providing coloured light
    • G02F1/133622—Colour sequential illumination

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
DE69528446T 1995-01-30 1995-12-04 Hochleistungs-Projektionsanzeigevorrichtung mit zwei Lichtventilen Expired - Lifetime DE69528446T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/380,877 US5517340A (en) 1995-01-30 1995-01-30 High performance projection display with two light valves

Publications (2)

Publication Number Publication Date
DE69528446D1 true DE69528446D1 (de) 2002-11-07
DE69528446T2 DE69528446T2 (de) 2003-05-15

Family

ID=23502801

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69528446T Expired - Lifetime DE69528446T2 (de) 1995-01-30 1995-12-04 Hochleistungs-Projektionsanzeigevorrichtung mit zwei Lichtventilen

Country Status (4)

Country Link
US (1) US5517340A (de)
EP (1) EP0724177B1 (de)
JP (1) JP3045958B2 (de)
DE (1) DE69528446T2 (de)

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JP4372815B2 (ja) * 2007-08-30 2009-11-25 三菱電機株式会社 画像投写装置
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JP5858664B2 (ja) * 2011-07-01 2016-02-10 キヤノン株式会社 画像表示装置
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Also Published As

Publication number Publication date
US5517340A (en) 1996-05-14
DE69528446T2 (de) 2003-05-15
JP3045958B2 (ja) 2000-05-29
JPH08248378A (ja) 1996-09-27
EP0724177A2 (de) 1996-07-31
EP0724177B1 (de) 2002-10-02
EP0724177A3 (de) 1997-12-29

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Legal Events

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8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: DUSCHER, R., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 7