JP2002023105A - 照明光学系及びこれを用いたプロジェクタ - Google Patents

照明光学系及びこれを用いたプロジェクタ

Info

Publication number
JP2002023105A
JP2002023105A JP2000201841A JP2000201841A JP2002023105A JP 2002023105 A JP2002023105 A JP 2002023105A JP 2000201841 A JP2000201841 A JP 2000201841A JP 2000201841 A JP2000201841 A JP 2000201841A JP 2002023105 A JP2002023105 A JP 2002023105A
Authority
JP
Japan
Prior art keywords
lens
light
optical system
illumination
polarization
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.)
Withdrawn
Application number
JP2000201841A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002023105A5 (enExample
Inventor
Takanori Ogawa
恭範 小川
Koichi Akiyama
光一 秋山
Hidekiyo Yamakawa
秀精 山川
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
Priority to JP2000201841A priority Critical patent/JP2002023105A/ja
Priority to US09/892,905 priority patent/US6491397B2/en
Priority to KR10-2001-0038221A priority patent/KR100437902B1/ko
Priority to TW090116002A priority patent/TW523609B/zh
Priority to DE60130407T priority patent/DE60130407T2/de
Priority to EP01305792A priority patent/EP1170945B1/en
Priority to CNB011331348A priority patent/CN1178092C/zh
Publication of JP2002023105A publication Critical patent/JP2002023105A/ja
Publication of JP2002023105A5 publication Critical patent/JP2002023105A5/ja
Withdrawn legal-status Critical Current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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Microscoopes, Condenser (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2000201841A 2000-07-04 2000-07-04 照明光学系及びこれを用いたプロジェクタ Withdrawn JP2002023105A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2000201841A JP2002023105A (ja) 2000-07-04 2000-07-04 照明光学系及びこれを用いたプロジェクタ
US09/892,905 US6491397B2 (en) 2000-07-04 2001-06-28 Illumination optical system and projector using the same
KR10-2001-0038221A KR100437902B1 (ko) 2000-07-04 2001-06-29 조명광학계 및 이를 이용한 프로젝터
TW090116002A TW523609B (en) 2000-07-04 2001-06-29 Illumination optical system and projector using the same
DE60130407T DE60130407T2 (de) 2000-07-04 2001-07-04 Optisches Beleuchtungssystem zur Verwendung in einem Projektor
EP01305792A EP1170945B1 (en) 2000-07-04 2001-07-04 Illumination optical system and projector using the same
CNB011331348A CN1178092C (zh) 2000-07-04 2001-07-04 照明光学系统和使用该照明光学系统的投影仪

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000201841A JP2002023105A (ja) 2000-07-04 2000-07-04 照明光学系及びこれを用いたプロジェクタ

Publications (2)

Publication Number Publication Date
JP2002023105A true JP2002023105A (ja) 2002-01-23
JP2002023105A5 JP2002023105A5 (enExample) 2005-02-17

Family

ID=18699454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000201841A Withdrawn JP2002023105A (ja) 2000-07-04 2000-07-04 照明光学系及びこれを用いたプロジェクタ

Country Status (7)

Country Link
US (1) US6491397B2 (enExample)
EP (1) EP1170945B1 (enExample)
JP (1) JP2002023105A (enExample)
KR (1) KR100437902B1 (enExample)
CN (1) CN1178092C (enExample)
DE (1) DE60130407T2 (enExample)
TW (1) TW523609B (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1310060C (zh) * 2003-02-12 2007-04-11 佳能株式会社 照明光学系统和图像显示装置
CN1328611C (zh) * 2002-11-25 2007-07-25 上海力保科技有限公司 数码投影机光机机构
CN102508402A (zh) * 2011-11-23 2012-06-20 苏州佳世达光电有限公司 投影装置
JP2015201433A (ja) * 2014-04-01 2015-11-12 キヤノン株式会社 照明光学系およびこれを用いた画像投射装置
WO2018135491A1 (ja) * 2017-01-17 2018-07-26 株式会社エンプラス マーカ

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1615455A (zh) * 2002-07-15 2005-05-11 精工爱普生株式会社 照明光学单元制造方法/装置,用该方法造的照明光学单元及投影机
KR100474918B1 (ko) * 2002-08-30 2005-03-10 엘지전자 주식회사 편광 변환 장치
GB2410339A (en) * 2004-01-21 2005-07-27 Sharp Kk Three lens arrays optical system, light source and projection display
JP2006343450A (ja) * 2005-06-08 2006-12-21 Seiko Epson Corp 光学シート、バックライトユニット、電気光学装置及び電子機器、並びに光学シートの製造方法
US20100055409A1 (en) * 2007-01-02 2010-03-04 Kolon Industries, Inc. Optical composite and method of manufacturing the same
WO2008082248A1 (en) * 2007-01-02 2008-07-10 Kolon Industries, Inc. Optical composite and method of manufacturing the same
KR101036357B1 (ko) * 2007-12-24 2011-05-23 코오롱인더스트리 주식회사 광보정 부재
US8556443B2 (en) * 2007-12-24 2013-10-15 Kolon Industries, Inc. Optical member
KR101067679B1 (ko) 2008-06-24 2011-09-27 코오롱인더스트리 주식회사 광확산 부재
CN102454938A (zh) * 2011-01-04 2012-05-16 深圳市鹏之光照明科技有限公司 一种灯具的配光系统
US10088689B2 (en) * 2015-03-13 2018-10-02 Microsoft Technology Licensing, Llc Light engine with lenticular microlenslet arrays
JP7052644B2 (ja) * 2018-08-29 2022-04-12 株式会社Ｊｖｃケンウッド 投射型画像表示装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69534037T2 (de) * 1994-12-28 2005-12-29 Seiko Epson Corp. Beleuchtungsvorrichtung mit polarisiertem licht und projektionsanzeigevorrichtung
JPH10319349A (ja) * 1997-05-20 1998-12-04 Canon Inc 偏光変換素子及びそれを用いた投影装置
TW401709B (en) * 1997-12-01 2000-08-11 Matsushita Electric Industrial Co Ltd Polaroid light illuminating apparature and a projective portrait display
US6104536A (en) * 1998-09-18 2000-08-15 3M Innovative Properties Company High efficiency polarization converter including input and output lenslet arrays
JP3666339B2 (ja) * 2000-01-28 2005-06-29 セイコーエプソン株式会社 プロジェクタ

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1328611C (zh) * 2002-11-25 2007-07-25 上海力保科技有限公司 数码投影机光机机构
CN1310060C (zh) * 2003-02-12 2007-04-11 佳能株式会社 照明光学系统和图像显示装置
CN102508402A (zh) * 2011-11-23 2012-06-20 苏州佳世达光电有限公司 投影装置
CN102508402B (zh) * 2011-11-23 2014-05-21 苏州佳世达光电有限公司 投影装置
JP2015201433A (ja) * 2014-04-01 2015-11-12 キヤノン株式会社 照明光学系およびこれを用いた画像投射装置
WO2018135491A1 (ja) * 2017-01-17 2018-07-26 株式会社エンプラス マーカ

Also Published As

Publication number Publication date
US20020018150A1 (en) 2002-02-14
DE60130407T2 (de) 2008-06-12
KR20020004839A (ko) 2002-01-16
EP1170945A2 (en) 2002-01-09
US6491397B2 (en) 2002-12-10
CN1337586A (zh) 2002-02-27
TW523609B (en) 2003-03-11
EP1170945A3 (en) 2004-04-07
KR100437902B1 (ko) 2004-06-26
EP1170945B1 (en) 2007-09-12
DE60130407D1 (de) 2007-10-25
CN1178092C (zh) 2004-12-01

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