JP4978831B2 - プロジェクタ光学系 - Google Patents

プロジェクタ光学系 Download PDF

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Publication number
JP4978831B2
JP4978831B2 JP2006196567A JP2006196567A JP4978831B2 JP 4978831 B2 JP4978831 B2 JP 4978831B2 JP 2006196567 A JP2006196567 A JP 2006196567A JP 2006196567 A JP2006196567 A JP 2006196567A JP 4978831 B2 JP4978831 B2 JP 4978831B2
Authority
JP
Japan
Prior art keywords
lens group
optical system
line
projector
diffractive
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
JP2006196567A
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English (en)
Japanese (ja)
Other versions
JP2008026440A5 (enExample
JP2008026440A (ja
Inventor
憲三郎 鈴木
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.)
Nikon Corp
Original Assignee
Nikon 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 Nikon Corp filed Critical Nikon Corp
Priority to JP2006196567A priority Critical patent/JP4978831B2/ja
Priority to KR1020070070881A priority patent/KR20080008244A/ko
Priority to US11/778,554 priority patent/US7511897B2/en
Priority to TW096125960A priority patent/TW200813608A/zh
Publication of JP2008026440A publication Critical patent/JP2008026440A/ja
Publication of JP2008026440A5 publication Critical patent/JP2008026440A5/ja
Application granted granted Critical
Publication of JP4978831B2 publication Critical patent/JP4978831B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G02B27/4211—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant correcting chromatic aberrations
    • 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
    • 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Projection Apparatus (AREA)
JP2006196567A 2006-07-19 2006-07-19 プロジェクタ光学系 Expired - Fee Related JP4978831B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2006196567A JP4978831B2 (ja) 2006-07-19 2006-07-19 プロジェクタ光学系
KR1020070070881A KR20080008244A (ko) 2006-07-19 2007-07-13 프로젝터 광학계
US11/778,554 US7511897B2 (en) 2006-07-19 2007-07-16 Projector optical system
TW096125960A TW200813608A (en) 2006-07-19 2007-07-17 Projector optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006196567A JP4978831B2 (ja) 2006-07-19 2006-07-19 プロジェクタ光学系

Publications (3)

Publication Number Publication Date
JP2008026440A JP2008026440A (ja) 2008-02-07
JP2008026440A5 JP2008026440A5 (enExample) 2010-05-06
JP4978831B2 true JP4978831B2 (ja) 2012-07-18

Family

ID=38971196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006196567A Expired - Fee Related JP4978831B2 (ja) 2006-07-19 2006-07-19 プロジェクタ光学系

Country Status (4)

Country Link
US (1) US7511897B2 (enExample)
JP (1) JP4978831B2 (enExample)
KR (1) KR20080008244A (enExample)
TW (1) TW200813608A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008170594A (ja) 2007-01-10 2008-07-24 Nikon Corp プロジェクタ光学系、プロジェクタ、及び、投影方法
KR101016018B1 (ko) * 2010-02-18 2011-02-23 주식회사 세코닉스 피코 프로젝터용 투사 렌즈 유닛
CN103221735B (zh) 2010-11-17 2015-05-13 Nec显示器解决方案株式会社 光源设备、照明设备和投影型显示设备
CN103080786B (zh) * 2011-03-18 2015-03-04 奥林巴斯医疗株式会社 衍射光学元件及内窥镜
US9664825B2 (en) * 2013-03-26 2017-05-30 Nokia Technologies Oy Compensation of optical aberrations caused by non-planar windows
KR102568663B1 (ko) * 2015-08-03 2023-08-22 엘지전자 주식회사 냉장고 및 그 제어 방법
WO2019198432A1 (ja) * 2018-04-09 2019-10-17 ソニー株式会社 光学システムおよびプロジェクタ

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5703721A (en) 1995-11-27 1997-12-30 Eastman Kodak Company Optical magnifier
JPH10142502A (ja) 1996-11-08 1998-05-29 Canon Inc 投影光学系及びそれを用いた投影装置
JPH10206726A (ja) * 1997-01-22 1998-08-07 Minolta Co Ltd 単焦点レンズ系
JPH11183794A (ja) * 1997-12-19 1999-07-09 Toshiba Corp 光学レンズ
US6831783B2 (en) * 2000-06-07 2004-12-14 Canon Kabushiki Kaisha Diffractive optical element and optical system
JP2002182110A (ja) * 2000-12-15 2002-06-26 Canon Inc ズームレンズ及びそれを用いた画像投影装置及び撮像装置
JP4114515B2 (ja) 2003-03-18 2008-07-09 セイコーエプソン株式会社 投映用ズームレンズ及びこれを備えたプロジェクター
JP2005301110A (ja) 2004-04-15 2005-10-27 Sony Corp 変倍レンズ系及び撮像装置
JP4743607B2 (ja) 2005-12-22 2011-08-10 株式会社ニコン フレネルレンズ、および、このフレネルレンズを用いた液晶プロジェクタ
JP2008170594A (ja) * 2007-01-10 2008-07-24 Nikon Corp プロジェクタ光学系、プロジェクタ、及び、投影方法

Also Published As

Publication number Publication date
US7511897B2 (en) 2009-03-31
KR20080008244A (ko) 2008-01-23
US20080019001A1 (en) 2008-01-24
JP2008026440A (ja) 2008-02-07
TW200813608A (en) 2008-03-16

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