DE69733373D1 - Projektor mit strahlteilenden Elementen zur gleichmässigen Beleuchtung eines Lichtmodulators - Google Patents

Projektor mit strahlteilenden Elementen zur gleichmässigen Beleuchtung eines Lichtmodulators

Info

Publication number
DE69733373D1
DE69733373D1 DE69733373T DE69733373T DE69733373D1 DE 69733373 D1 DE69733373 D1 DE 69733373D1 DE 69733373 T DE69733373 T DE 69733373T DE 69733373 T DE69733373 T DE 69733373T DE 69733373 D1 DE69733373 D1 DE 69733373D1
Authority
DE
Germany
Prior art keywords
projector
light modulator
uniform illumination
dividing elements
beam dividing
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
DE69733373T
Other languages
English (en)
Other versions
DE69733373T2 (de
Inventor
Yasunori Ogawa
Akitaka Yajima
Hisashi Iechika
Shinji Haba
Toshiaki Hashizume
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of DE69733373D1 publication Critical patent/DE69733373D1/de
Application granted granted Critical
Publication of DE69733373T2 publication Critical patent/DE69733373T2/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
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
    • 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
    • G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
    • 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
    • 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
    • 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
    • G02B27/285—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 comprising arrays of elements, e.g. microprisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
    • 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 
    • G02F1/09—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 magneto-optical elements, e.g. exhibiting Faraday effect
    • 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
    • H04N9/3167—Modulator illumination systems for polarizing the light beam
    • 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
    • H04N9/317—Convergence or focusing systems
    • 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
DE69733373T 1996-08-19 1997-08-19 Projektor mit strahlteilenden Elementen zur gleichmässigen Beleuchtung eines Lichtmodulators Expired - Lifetime DE69733373T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP21765296 1996-08-19
JP21765296 1996-08-19
JP17745397 1997-07-02
JP17745397A JP3791130B2 (ja) 1996-08-19 1997-07-02 投写型表示装置

Publications (2)

Publication Number Publication Date
DE69733373D1 true DE69733373D1 (de) 2005-06-30
DE69733373T2 DE69733373T2 (de) 2006-03-02

Family

ID=26497990

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69726660T Expired - Lifetime DE69726660T2 (de) 1996-08-19 1997-08-19 Projektionsvorrichtung
DE69733372T Expired - Lifetime DE69733372T2 (de) 1996-08-19 1997-08-19 Projektor mit justierbaren Linsen zur gleichmässigen Beleuchtung mehrerer Lichtmodulatoren
DE69733373T Expired - Lifetime DE69733373T2 (de) 1996-08-19 1997-08-19 Projektor mit strahlteilenden Elementen zur gleichmässigen Beleuchtung eines Lichtmodulators

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE69726660T Expired - Lifetime DE69726660T2 (de) 1996-08-19 1997-08-19 Projektionsvorrichtung
DE69733372T Expired - Lifetime DE69733372T2 (de) 1996-08-19 1997-08-19 Projektor mit justierbaren Linsen zur gleichmässigen Beleuchtung mehrerer Lichtmodulatoren

Country Status (6)

Country Link
US (3) US6142634A (de)
EP (3) EP1345065B1 (de)
JP (1) JP3791130B2 (de)
KR (1) KR100403231B1 (de)
DE (3) DE69726660T2 (de)
TW (1) TW358891B (de)

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JP3574575B2 (ja) * 1998-11-20 2004-10-06 ペンタックス株式会社 画像投影装置
JP4288774B2 (ja) * 1999-07-23 2009-07-01 セイコーエプソン株式会社 投写型表示装置
JP2001350426A (ja) * 2000-06-08 2001-12-21 Canon Inc 画像表示装置、画像表示システム及び照明系
JP4113320B2 (ja) * 2000-06-26 2008-07-09 株式会社リコー 光学エレメントの固定構造、読み取りユニット、画像走査装置
KR20020012377A (ko) * 2000-08-07 2002-02-16 구자홍 엘시디 프로젝터용 조명계의 미러 위치 조정 장치
EP1365273A4 (de) 2001-02-27 2006-05-31 Seiko Epson Corp Optisches beleuchtungssystem und projektor damit
US6674579B2 (en) 2001-03-30 2004-01-06 Koninklijke Philips Electronics N.V. Color correction to target white points by adjustment of two colors
KR100503465B1 (ko) * 2002-10-14 2005-07-25 삼성전자주식회사 프로젝션 텔레비젼의 광학엔진
JP2005024807A (ja) * 2003-07-01 2005-01-27 Hitachi Ltd 投射型映像表示装置
KR100556364B1 (ko) * 2003-07-07 2006-03-03 엘지전자 주식회사 마이크로 디바이스 표시장치의 광학 잔상 방지구조
US7018047B2 (en) * 2004-01-27 2006-03-28 Belliveau Richard S Image projection lighting device with variable homogeneity
JP4221334B2 (ja) 2004-06-01 2009-02-12 Ｎｅｃディスプレイソリューションズ株式会社 投写型表示装置
US7327408B1 (en) * 2004-11-15 2008-02-05 Lightmaster Systems, Inc. Illuminator that generates linearly polarized light for microdisplay based light engine
JP4458352B2 (ja) * 2004-11-29 2010-04-28 京セラ株式会社 照明光学装置および投射型表示装置
TW200638064A (en) * 2005-04-19 2006-11-01 Yang Ren Wei Apparatus for digital data prompting
JP4394609B2 (ja) * 2005-06-06 2010-01-06 Ｎｅｃディスプレイソリューションズ株式会社 投写型表示装置の光学ユニットおよび投写型表示装置
US20070091285A1 (en) * 2005-10-20 2007-04-26 Taiwan Micro Display Corporation LCOS optical engine illumination system
JP2008003215A (ja) * 2006-06-21 2008-01-10 Ｎｅｃディスプレイソリューションズ株式会社 照明光学系および投写型表示装置
JP4353287B2 (ja) * 2007-07-02 2009-10-28 セイコーエプソン株式会社 プロジェクタ
JP5347550B2 (ja) * 2009-02-16 2013-11-20 セイコーエプソン株式会社 光学装置及びプロジェクター
JP5499618B2 (ja) * 2009-04-22 2014-05-21 ソニー株式会社 投射型液晶表示装置
JP2011085798A (ja) * 2009-10-16 2011-04-28 Sanyo Electric Co Ltd レンズシフト機構および投写型映像表示装置
JP5835606B2 (ja) * 2011-06-27 2015-12-24 カシオ計算機株式会社 光源装置、プロジェクタ、及び、光源装置の製造方法
JP6078976B2 (ja) 2012-04-12 2017-02-15 セイコーエプソン株式会社 プロジェクター
US9524574B2 (en) * 2012-05-25 2016-12-20 Seiko Epson Corporation Data processing apparatus, display apparatus, and method of controlling the data processing apparatus
CN109426052B (zh) 2017-08-24 2021-04-06 深圳光峰科技股份有限公司 投影系统

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JPH0430140A (ja) 1990-05-26 1992-02-03 Sharp Corp 投影型カラー液晶表示装置
JPH04127120A (ja) 1990-09-18 1992-04-28 Mitsubishi Electric Corp 投写型表示装置
JP3012374B2 (ja) * 1990-10-01 2000-02-21 旭光学工業株式会社 投影装置及び投影装置の画像調整方法
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JP3413226B2 (ja) 1992-12-28 2003-06-03 セイコーエプソン株式会社 偏光変換装置及び投写型表示装置
JPH06202094A (ja) 1992-12-28 1994-07-22 Seiko Epson Corp 投写型表示装置
DE69433600T2 (de) 1993-03-16 2005-02-03 Seiko Epson Corp. Projektionsanzeigevorrichtung
JPH07120753A (ja) 1993-10-25 1995-05-12 Kodo Eizo Gijutsu Kenkyusho:Kk 液晶プロジェクター
JP3508190B2 (ja) 1993-12-21 2004-03-22 セイコーエプソン株式会社 照明装置及び投写型表示装置
JPH07244282A (ja) 1994-03-04 1995-09-19 Canon Inc 照明装置及びそれを用いた投影装置
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JP3111806B2 (ja) 1994-05-31 2000-11-27 松下電器産業株式会社 信号記録再生装置
JPH08184797A (ja) * 1994-12-27 1996-07-16 Seiko Epson Corp 投写型表示装置
WO1996020424A1 (fr) * 1994-12-27 1996-07-04 Seiko Epson Corporation Visuel du type a projection
JP3767047B2 (ja) * 1996-04-26 2006-04-19 セイコーエプソン株式会社 投写型表示装置
WO1997045768A1 (fr) * 1996-05-29 1997-12-04 Seiko Epson Corporation Dispositif d'affichage par projection
JP3473335B2 (ja) * 1996-08-19 2003-12-02 セイコーエプソン株式会社 投写型表示装置
US6028703A (en) * 1997-03-14 2000-02-22 Nikon Corporation High-efficiency polarizing arrangement and projection apparatus using the same
KR100226646B1 (ko) 1997-08-22 1999-10-15 소현철 격파용 보드 조립체

Also Published As

Publication number Publication date
EP1345066A3 (de) 2004-01-07
KR100403231B1 (ko) 2004-03-24
EP0825473A3 (de) 1999-04-21
USRE39040E1 (en) 2006-03-28
EP1345065A3 (de) 2004-01-07
EP0825473A2 (de) 1998-02-25
DE69733372T2 (de) 2006-03-02
DE69726660D1 (de) 2004-01-22
EP0825473B1 (de) 2003-12-10
EP1345065A2 (de) 2003-09-17
TW358891B (en) 1999-05-21
EP1345065B1 (de) 2005-05-25
DE69733373T2 (de) 2006-03-02
JPH10115799A (ja) 1998-05-06
DE69733372D1 (de) 2005-06-30
US6247817B1 (en) 2001-06-19
JP3791130B2 (ja) 2006-06-28
EP1345066A2 (de) 2003-09-17
EP1345066B1 (de) 2005-05-25
KR19980018364A (ko) 1998-06-05
US6142634A (en) 2000-11-07
DE69726660T2 (de) 2004-06-09

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