DE69738440D1 - Projektionsvorrichtung und optisches Beleuchtungssystem dafür - Google Patents

Projektionsvorrichtung und optisches Beleuchtungssystem dafür

Info

Publication number
DE69738440D1
DE69738440D1 DE69738440T DE69738440T DE69738440D1 DE 69738440 D1 DE69738440 D1 DE 69738440D1 DE 69738440 T DE69738440 T DE 69738440T DE 69738440 T DE69738440 T DE 69738440T DE 69738440 D1 DE69738440 D1 DE 69738440D1
Authority
DE
Germany
Prior art keywords
illumination system
projection device
system therefor
optical illumination
optical
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
DE69738440T
Other languages
English (en)
Other versions
DE69738440T2 (de
Inventor
Toshiaki Hashizume
Yoshitaka Itoh
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
Application granted granted Critical
Publication of DE69738440D1 publication Critical patent/DE69738440D1/de
Publication of DE69738440T2 publication Critical patent/DE69738440T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/10—Simultaneous recording or projection
    • G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
    • 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
    • G02B27/141—Beam splitting or combining systems operating by reflection only using dichroic mirrors
    • 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
    • G02B27/143—Beam splitting or combining systems operating by reflection only using macroscopically faceted or segmented reflective 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
    • G02B27/145—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
    • 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 
    • G02F1/13—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
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2073—Polarisers in the lamp house
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • 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]
    • 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
    • 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
    • G02B3/0043—Inhomogeneous or irregular arrays, e.g. varying shape, size, height
    • 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
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
DE69738440T 1996-10-30 1997-10-27 Projektionsvorrichtung und optisches Beleuchtungssystem dafür Expired - Fee Related DE69738440T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP30573496 1996-10-30
JP30573496 1996-10-30
JP9300397 1997-03-26
JP9300397 1997-03-26

Publications (2)

Publication Number Publication Date
DE69738440D1 true DE69738440D1 (de) 2008-02-14
DE69738440T2 DE69738440T2 (de) 2008-12-11

Family

ID=26434384

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69738440T Expired - Fee Related DE69738440T2 (de) 1996-10-30 1997-10-27 Projektionsvorrichtung und optisches Beleuchtungssystem dafür
DE69737091T Expired - Fee Related DE69737091T2 (de) 1996-10-30 1997-10-27 Projektionsbildschirm und optisches beleuchtungssystem dafür
DE69738383T Expired - Fee Related DE69738383T2 (de) 1996-10-30 1997-10-27 Optisches Beleuchtungssystem für eine Projektionsvorrichtung

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69737091T Expired - Fee Related DE69737091T2 (de) 1996-10-30 1997-10-27 Projektionsbildschirm und optisches beleuchtungssystem dafür
DE69738383T Expired - Fee Related DE69738383T2 (de) 1996-10-30 1997-10-27 Optisches Beleuchtungssystem für eine Projektionsvorrichtung

Country Status (8)

Country Link
US (1) US6109751A (de)
EP (3) EP1670262B1 (de)
JP (1) JP3879125B2 (de)
KR (1) KR100395149B1 (de)
CN (1) CN100413347C (de)
DE (3) DE69738440T2 (de)
TW (1) TW434444B (de)
WO (1) WO1998019211A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3959878B2 (ja) 1998-04-08 2007-08-15 セイコーエプソン株式会社 光選択プリズムの製造方法
US6618202B2 (en) * 2001-05-29 2003-09-09 Aurora Systems, Inc. Projection system with an offset lens array to reduce vertical banding
JP2003142759A (ja) 2001-11-06 2003-05-16 Toshiba Corp ファイバレーザ装置およびそれを用いた映像表示装置
US7841728B2 (en) * 2005-10-20 2010-11-30 Seiko Epson Corporation Image display apparatus
JP4497177B2 (ja) * 2007-06-07 2010-07-07 カシオ計算機株式会社 画像データ処理装置、画像データ処理方法及びプログラム
JP5028173B2 (ja) * 2007-07-19 2012-09-19 三洋電機株式会社 照明装置、投写型映像表示装置およびフライアイレンズ
JP2011221303A (ja) * 2010-04-09 2011-11-04 Sanyo Electric Co Ltd 投写型映像表示装置及び光変調素子
JP5772143B2 (ja) * 2011-03-28 2015-09-02 ソニー株式会社 照明装置、投射型表示装置および直視型表示装置
CN102508402B (zh) * 2011-11-23 2014-05-21 苏州佳世达光电有限公司 投影装置
WO2014050819A1 (ja) * 2012-09-27 2014-04-03 シャープ株式会社 立体表示装置
JP6236975B2 (ja) * 2013-08-09 2017-11-29 セイコーエプソン株式会社 プロジェクター
JP6277816B2 (ja) 2014-03-26 2018-02-14 セイコーエプソン株式会社 プロジェクター
CN106168333B (zh) 2015-05-20 2020-11-06 日亚化学工业株式会社 发光装置
CN105511087B (zh) * 2016-01-13 2017-09-22 晋煤激光科技股份有限公司 基于复眼透镜的激光显示匀场整形装置
CN108594432B (zh) * 2018-04-02 2021-05-28 东莞广辰光电科技有限公司 一种使用三原色光源的高效率抬头显示器照明系统
CN108895313A (zh) * 2018-08-01 2018-11-27 苏州汇影光学技术有限公司 一种阵列式紫外led平行光源

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2326970A (en) * 1939-05-25 1943-08-17 Rantsch Kurt Illuminating system, particularly for projection purposes
US4850685A (en) * 1984-10-22 1989-07-25 Seiko Epson Corporation Projection-type color display device
JPS6430385A (en) * 1987-07-27 1989-02-01 Nec Corp Demagnetizing circuit
JPH068985B2 (ja) * 1988-05-31 1994-02-02 松下電器産業株式会社 投写型表示装置
JP2791668B2 (ja) * 1988-08-31 1998-08-27 旭光学工業株式会社 微小画素列による画像光学系の画素間マスクのコントラスト低下装置
NL8901077A (nl) * 1989-04-28 1990-11-16 Koninkl Philips Electronics Nv Optische belichtingsstelsel en projectie-apparaat voorzien van een dergelijk stelsel.
JPH0371342A (ja) * 1989-08-11 1991-03-27 Nec Corp 予約語判定方式
JPH0371342U (de) * 1989-11-15 1991-07-18
JPH04212104A (ja) * 1990-07-06 1992-08-03 Hitachi Ltd 非吸収型偏光素子、該素子の製法および該素子を用いた表示装置
JP2605470B2 (ja) * 1990-09-17 1997-04-30 日本電気株式会社 背面投射型液晶表示装置
JPH04253044A (ja) * 1990-12-27 1992-09-08 Sanyo Electric Co Ltd 液晶プロジェクタ
JP2830534B2 (ja) * 1991-09-18 1998-12-02 日本電気株式会社 偏光変換素子
JP2973750B2 (ja) * 1992-03-31 1999-11-08 松下電器産業株式会社 照明光学装置とそれを用いた投写型表示装置
EP1261213A1 (de) * 1993-03-16 2002-11-27 Seiko Epson Corporation Projektions-Anzeigevorrichtung
US5510861A (en) * 1993-05-11 1996-04-23 Proxima Corporation Compact projector and method of using same
JPH09501781A (ja) * 1994-05-26 1997-02-18 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ イメージ投写デバイス
WO1996020422A1 (fr) * 1994-12-28 1996-07-04 Seiko Epson Corporation Appareil d'eclairage en lumiere polarisee et dispositif d'affichage du type a projection
JPH08234205A (ja) * 1994-12-28 1996-09-13 Seiko Epson Corp 偏光照明装置および投写型表示装置
JPH09113994A (ja) * 1995-10-18 1997-05-02 Sanyo Electric Co Ltd 液晶プロジェクタ
US5786939A (en) * 1996-02-26 1998-07-28 Fuji Photo Optical Co., Ltd. Illumination optical system
US5826959A (en) * 1996-05-09 1998-10-27 Pioneer Electronic Corporation Projection image display apparatus
US5971546A (en) * 1996-06-15 1999-10-26 Lg Electronics Inc. Image display device
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
JPH10170869A (ja) * 1996-12-06 1998-06-26 Seiko Epson Corp 偏光照明装置および投写型表示装置

Also Published As

Publication number Publication date
WO1998019211A1 (fr) 1998-05-07
DE69738383T2 (de) 2008-11-13
EP0889351B1 (de) 2006-12-13
EP1670262B1 (de) 2007-12-12
DE69738383D1 (de) 2008-01-24
JP3879125B2 (ja) 2007-02-07
US6109751A (en) 2000-08-29
CN100413347C (zh) 2008-08-20
DE69738440T2 (de) 2008-12-11
EP0889351A4 (de) 2002-04-17
CN1212060A (zh) 1999-03-24
KR100395149B1 (ko) 2003-12-01
TW434444B (en) 2001-05-16
KR19990076892A (ko) 1999-10-25
DE69737091D1 (de) 2007-01-25
DE69737091T2 (de) 2007-07-12
EP1645905B1 (de) 2008-01-02
EP1645905A1 (de) 2006-04-12
EP0889351A1 (de) 1999-01-07
EP1670262A1 (de) 2006-06-14

Similar Documents

Publication Publication Date Title
DE69736023D1 (de) Lichtquelleneinheit, Lichtquellengerät und Projektionsanzeigengerät
DE69839573D1 (de) Beleuchtungssystem und Projektionsanzeigegerät
DE69837358D1 (de) Beleuchtungssystem und Belichtungsapparat
DE69726126D1 (de) Photokatalysator, lichtquelle und beleuchtungseinrichtung
DE69530273D1 (de) Beleuchtungssystem und Anzeigevorrichtung
DE69627624D1 (de) Lichtquelle und optisches Abtastgerät
DE69725401D1 (de) Projektionsanzeigevorrichtung
DE69726537D1 (de) Projektionsanzeigevorrichtung
DE69734027D1 (de) Projektionsanzeigevorrichtung
DE69629277D1 (de) Optisches Projektionssystem und damit ausgerüstetes Belichtungsgerät
DE69716153D1 (de) Beleuchtungsgerät
DE69726625D1 (de) Photographisches optisches System
DE69820132D1 (de) Optisches System und Bildaufnahmevorrichtung
DE69726660D1 (de) Projektionsvorrichtung
DE69738440D1 (de) Projektionsvorrichtung und optisches Beleuchtungssystem dafür
DE69500609D1 (de) Lichtempfangsvorrichtung
DE69807147D1 (de) Optischer Abtaster und optisches Plattengerät
DE69517220D1 (de) Optisches Projektionssystem
DE69830441D1 (de) Optisches Beleuchtungssystem und Anzeigegerät vom Projektionstyp
DE69724333D1 (de) Beleuchtungssystem und Belichtungsapparat
DE69634924D1 (de) Bilderzeugungsvorrichtung und Lichtquellengruppe
DE69610469D1 (de) Lampenvorrichtung
KR960008369A (ko) 투영렌즈 및 투영장치
DE69723961D1 (de) Projektionsanzeigevorrichtung
DE69714807D1 (de) Räumlicher Lichtmodulator und Projektor

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee