DE69221807T2 - Farbprojektor - Google Patents

Farbprojektor

Info

Publication number
DE69221807T2
DE69221807T2 DE69221807T DE69221807T DE69221807T2 DE 69221807 T2 DE69221807 T2 DE 69221807T2 DE 69221807 T DE69221807 T DE 69221807T DE 69221807 T DE69221807 T DE 69221807T DE 69221807 T2 DE69221807 T2 DE 69221807T2
Authority
DE
Germany
Prior art keywords
color projector
projector
color
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
DE69221807T
Other languages
English (en)
Other versions
DE69221807D1 (de
Inventor
Hideaki Mitsutake
Katsumi Kurematsu
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP29390991A external-priority patent/JPH05107527A/ja
Priority claimed from JP4000801A external-priority patent/JPH05181213A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69221807D1 publication Critical patent/DE69221807D1/de
Application granted granted Critical
Publication of DE69221807T2 publication Critical patent/DE69221807T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • G02B27/1026—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with reflective spatial light modulators
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • G02B27/1046—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
    • 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
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • 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]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • 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
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated 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
    • G02F2203/00—Function characteristic
    • G02F2203/03—Function characteristic scattering
DE69221807T 1991-10-15 1992-10-14 Farbprojektor Expired - Lifetime DE69221807T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP29390991A JPH05107527A (ja) 1991-10-15 1991-10-15 散乱モード液晶表示デバイス
JP4000801A JPH05181213A (ja) 1992-01-07 1992-01-07 投写型表示装置

Publications (2)

Publication Number Publication Date
DE69221807D1 DE69221807D1 (de) 1997-10-02
DE69221807T2 true DE69221807T2 (de) 1998-03-05

Family

ID=26333882

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221807T Expired - Lifetime DE69221807T2 (de) 1991-10-15 1992-10-14 Farbprojektor

Country Status (3)

Country Link
US (1) US5371617A (de)
EP (1) EP0537708B1 (de)
DE (1) DE69221807T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6686976B2 (en) 1992-10-08 2004-02-03 Hitachi, Ltd. Liquid crystal light valve and projection type display using same
US5461501A (en) * 1992-10-08 1995-10-24 Hitachi, Ltd. Liquid crystal substrate having 3 metal layers with slits offset to block light from reaching the substrate
US5583671A (en) * 1992-11-09 1996-12-10 Casio Computer Co., Ltd. Method of manufacturing polymer dispersed liquid crystal display devices
DE4328785A1 (de) * 1993-08-26 1995-03-02 Consortium Elektrochem Ind Optische Elemente mit abbildender farb- und polarisationsselektiver Reflexion enthaltend cholesterische Flüssigkristalle sowie Herstellung und Verwendung dieser Elemente
US5379083A (en) * 1994-02-15 1995-01-03 Raychem Corporation Projector
US5600487A (en) * 1994-04-14 1997-02-04 Omron Corporation Dichroic mirror for separating/synthesizing light with a plurality of wavelengths and optical apparatus and detecting method using the same
US6124911A (en) 1994-07-29 2000-09-26 Kabushiki Kaisha Toshiba Reflection LCD with a counter substrate having a plurality of curved areas
US5694189A (en) * 1994-07-29 1997-12-02 Kabushiki Kaisha Toshiba Reflection type liquid crystal display having inclined pixel electrodes
EP1310805B1 (de) * 1994-12-27 2006-05-17 Seiko Epson Corporation Prismeneinheit und diese verwendende Projektionsanzeigevorrichtung
DE69611560T2 (de) * 1995-03-23 2001-06-21 Ibm Wirksames optisches System für eine hochauflösende Projektionsanzeige mit Reflexionslichtventilen
US6380994B1 (en) 1995-07-28 2002-04-30 Fujitsu Limited Fresnel lens and liquid crystal display device
US5751387A (en) * 1995-07-28 1998-05-12 Fujitsu Limited Fresnel lens and liquid crystal display device
JP3327100B2 (ja) * 1996-03-05 2002-09-24 ソニー株式会社 光学装置
US5715023A (en) * 1996-04-30 1998-02-03 Kaiser Electro-Optics, Inc. Plane parallel optical collimating device employing a cholesteric liquid crystal
JP3385915B2 (ja) * 1997-04-10 2003-03-10 松下電器産業株式会社 投写型画像表示装置
JPH1138393A (ja) * 1997-07-18 1999-02-12 Minolta Co Ltd 液晶素子の製造方法
US5924783A (en) * 1997-07-24 1999-07-20 Raychem Corporation System for controlling contrast in projection displays
US5951135A (en) * 1997-10-14 1999-09-14 Raychem Corporation Color image projection system
US6075651A (en) * 1999-01-28 2000-06-13 Kaiser Electro-Optics, Inc. Compact collimating apparatus
JP2002250894A (ja) * 2001-02-26 2002-09-06 Matsushita Electric Ind Co Ltd 投写型表示装置
DE10127621A1 (de) 2001-06-07 2002-12-12 Zeiss Carl Jena Gmbh Anordnung zum Projizieren eines Bildes auf eine Projektionsfläche
WO2005120081A1 (en) * 2004-05-26 2005-12-15 Thomson Licensing Light engine architecture
TWI308987B (en) * 2006-10-02 2009-04-21 Coretronic Corp Projecting device
US8951312B2 (en) * 2011-11-09 2015-02-10 Alvin Gabriel Stern Compact, safe and portable hydrogen generation apparatus for hydrogen on-demand applications
JP6922813B2 (ja) 2018-03-27 2021-08-18 セイコーエプソン株式会社 光学ユニット、および表示装置
JP7067185B2 (ja) 2018-03-27 2022-05-16 セイコーエプソン株式会社 表示装置
US11740536B2 (en) * 2018-11-02 2023-08-29 Meta Platforms Technologies, Llc Compact polarization-based multi-pass optical architectures

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4729640A (en) * 1984-10-03 1988-03-08 Canon Kabushiki Kaisha Liquid crystal light modulation device
US4904061A (en) * 1984-10-22 1990-02-27 Seiko Epson Corporation Projection-type liquid crystal display device with even color
FR2585162B1 (fr) * 1985-07-19 1991-03-08 Gen Electric Structure de maintien d'ecartement d'une cellule et de blocage de lumiere pour affichages matriciels a cristaux liquides
JPS63104016A (ja) * 1986-10-21 1988-05-09 Matsushita Electric Ind Co Ltd 投射型カラ−表示装置
DE3720375A1 (de) * 1987-06-19 1988-12-29 Fraunhofer Ges Forschung Projektionsvorrichtung
DE68927634T2 (de) * 1988-07-14 1997-05-28 Seiko Epson Corp Reflektive elektrooptische flüssigkristallvorrichtung und projektionsanzeigevorrichtung unter verwendung derselben
US5235446A (en) * 1989-02-09 1993-08-10 Sharp Kabushiki Kaisha Projection type liquid crystal display apparatus with pixels of one panel
JPH03175436A (ja) * 1989-12-05 1991-07-30 Matsushita Electric Ind Co Ltd カラー画像投写装置と、その液晶表示装置
JPH03217814A (ja) * 1990-01-24 1991-09-25 Canon Inc 液晶プロジェクター
JP2786930B2 (ja) * 1990-06-27 1998-08-13 三洋電機株式会社 小型ディスプレイ装置
JPH04113309A (ja) * 1990-08-31 1992-04-14 Sharp Corp 投射型カラー表示装置

Also Published As

Publication number Publication date
DE69221807D1 (de) 1997-10-02
EP0537708A1 (de) 1993-04-21
EP0537708B1 (de) 1997-08-27
US5371617A (en) 1994-12-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition