JP5213360B2 - 照明光学系及び画像投射装置 - Google Patents

照明光学系及び画像投射装置 Download PDF

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Publication number
JP5213360B2
JP5213360B2 JP2007150813A JP2007150813A JP5213360B2 JP 5213360 B2 JP5213360 B2 JP 5213360B2 JP 2007150813 A JP2007150813 A JP 2007150813A JP 2007150813 A JP2007150813 A JP 2007150813A JP 5213360 B2 JP5213360 B2 JP 5213360B2
Authority
JP
Japan
Prior art keywords
optical system
light
light beam
incident
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.)
Expired - Fee Related
Application number
JP2007150813A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008015501A5 (enExample
JP2008015501A (ja
Inventor
奥山　　敦
悠 山内
貴士 須藤
亮太 門脇
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
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2007150813A priority Critical patent/JP5213360B2/ja
Priority to US11/759,550 priority patent/US7976166B2/en
Priority to KR1020070055791A priority patent/KR100925166B1/ko
Publication of JP2008015501A publication Critical patent/JP2008015501A/ja
Publication of JP2008015501A5 publication Critical patent/JP2008015501A5/ja
Application granted granted Critical
Publication of JP5213360B2 publication Critical patent/JP5213360B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • 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
    • G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
    • 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
    • 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
    • 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
    • G03B21/208—Homogenising, shaping of the illumination light
    • 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
    • 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
    • H04N9/3152—Modulator illumination systems for shaping the light beam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Lenses (AREA)
JP2007150813A 2006-06-08 2007-06-06 照明光学系及び画像投射装置 Expired - Fee Related JP5213360B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007150813A JP5213360B2 (ja) 2006-06-08 2007-06-06 照明光学系及び画像投射装置
US11/759,550 US7976166B2 (en) 2006-06-08 2007-06-07 Optical system for image projection and image projection apparatus including a polarization beam splitting surface
KR1020070055791A KR100925166B1 (ko) 2006-06-08 2007-06-08 화상투사용 광학계 및 화상투사 장치

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006159999 2006-06-08
JP2006159999 2006-06-08
JP2007150813A JP5213360B2 (ja) 2006-06-08 2007-06-06 照明光学系及び画像投射装置

Publications (3)

Publication Number Publication Date
JP2008015501A JP2008015501A (ja) 2008-01-24
JP2008015501A5 JP2008015501A5 (enExample) 2010-07-22
JP5213360B2 true JP5213360B2 (ja) 2013-06-19

Family

ID=38861404

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007150813A Expired - Fee Related JP5213360B2 (ja) 2006-06-08 2007-06-06 照明光学系及び画像投射装置

Country Status (3)

Country Link
US (1) US7976166B2 (enExample)
JP (1) JP5213360B2 (enExample)
KR (1) KR100925166B1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5197149B2 (ja) * 2008-05-19 2013-05-15 キヤノン株式会社 照明光学系およびそれを用いた画像投射装置
JP5268428B2 (ja) * 2008-05-28 2013-08-21 キヤノン株式会社 照明光学系及び画像投射装置
JP5393055B2 (ja) * 2008-05-28 2014-01-22 キヤノン株式会社 照明光学系、及びそれを用いた画像投影装置
WO2010116427A1 (ja) 2009-04-08 2010-10-14 三菱電機株式会社 投写型表示装置
JP5511360B2 (ja) 2009-12-22 2014-06-04 キヤノン株式会社 画像表示装置
KR20110091360A (ko) * 2010-02-05 2011-08-11 엘지이노텍 주식회사 프로젝터
JP5713666B2 (ja) * 2010-12-27 2015-05-07 キヤノン株式会社 照明光学系およびそれを用いた画像投射装置
JP5818555B2 (ja) * 2011-07-26 2015-11-18 キヤノン株式会社 画像投射装置、及び投射光学系を有する画像投射装置
KR101916719B1 (ko) * 2012-04-10 2019-01-30 엘지전자 주식회사 영상투사장치
WO2014147688A1 (ja) * 2013-03-22 2014-09-25 ソニー株式会社 画像表示装置及び画像表示方法
US11871159B2 (en) 2018-11-02 2024-01-09 Sony Corporation Display unit for reducing degradation of optical components
US20230152624A1 (en) * 2021-11-17 2023-05-18 Avegant Corp. Light Engine Using a Polarization Splitting Lens Unit for Exit Pupil Illumination

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2907995B2 (ja) 1990-10-31 1999-06-21 株式会社日立製作所 投写形液晶表示装置
JP2861547B2 (ja) * 1991-11-15 1999-02-24 松下電器産業株式会社 投写型表示装置
KR100188199B1 (ko) * 1994-12-19 1999-06-01 전주범 투사형 화상표시시스템의 화면비대칭 보정장치
US6497485B1 (en) * 2000-01-20 2002-12-24 Seiko Epson Corporation Image projection system having uniform brightness
JP3639842B2 (ja) * 1997-06-08 2005-04-20 日本ビクター株式会社 投射型表示装置
JP2000089228A (ja) * 1998-09-09 2000-03-31 Canon Inc 投射型表示装置
JP3347676B2 (ja) 1998-10-29 2002-11-20 キヤノン株式会社 照明装置およびそれを用いた投射型表示装置
JP3596322B2 (ja) * 1999-01-13 2004-12-02 日本ビクター株式会社 反射型液晶プロジェクタ
US6278552B1 (en) * 1999-05-12 2001-08-21 Minolta Co., Ltd. Polarization separation device and projection-type display apparatus
JP3757701B2 (ja) * 1999-09-17 2006-03-22 株式会社日立製作所 光束圧縮ユニット、光学エンジン及びこれを用いた映像表示装置
JP3823659B2 (ja) 2000-02-04 2006-09-20 セイコーエプソン株式会社 プロジェクタ
JP2001296513A (ja) 2000-04-17 2001-10-26 Seiko Epson Corp 投射型液晶表示装置
JP2002202489A (ja) * 2000-10-13 2002-07-19 Seiko Epson Corp プロジェクタ
JP3918671B2 (ja) * 2002-07-25 2007-05-23 株式会社日立製作所 投射型液晶表示装置
KR20040024124A (ko) * 2002-09-13 2004-03-20 삼성전자주식회사 두 액정 판넬 컬러 스위칭 투사 장치
JP4766831B2 (ja) * 2002-11-26 2011-09-07 株式会社村田製作所 電子部品の製造方法
KR20060039004A (ko) * 2003-07-17 2006-05-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 포일 기반의 레이저/ｌｅｄ 변조기 어레이를 구비한 광이미징 시스템

Also Published As

Publication number Publication date
KR100925166B1 (ko) 2009-11-05
US20070291594A1 (en) 2007-12-20
US7976166B2 (en) 2011-07-12
JP2008015501A (ja) 2008-01-24
KR20070117496A (ko) 2007-12-12

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