KR100925166B1 - 화상투사용 광학계 및 화상투사 장치 - Google Patents

화상투사용 광학계 및 화상투사 장치 Download PDF

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Publication number
KR100925166B1
KR100925166B1 KR1020070055791A KR20070055791A KR100925166B1 KR 100925166 B1 KR100925166 B1 KR 100925166B1 KR 1020070055791 A KR1020070055791 A KR 1020070055791A KR 20070055791 A KR20070055791 A KR 20070055791A KR 100925166 B1 KR100925166 B1 KR 100925166B1
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KR
South Korea
Prior art keywords
optical system
light
polarization
lens
light beam
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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
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KR1020070055791A
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English (en)
Korean (ko)
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KR20070117496A (ko
Inventor
아츠시 오쿠야마
유 야마우치
타카시 스도
료타 카도와키
Original Assignee
캐논 가부시끼가이샤
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Publication of KR20070117496A publication Critical patent/KR20070117496A/ko
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Expired - Fee Related legal-status Critical Current
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    • 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

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  • 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)
KR1020070055791A 2006-06-08 2007-06-08 화상투사용 광학계 및 화상투사 장치 Expired - Fee Related KR100925166B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JPJP-P-2006-00159999 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
JPJP-P-2007-00150813 2007-06-06

Publications (2)

Publication Number Publication Date
KR20070117496A KR20070117496A (ko) 2007-12-12
KR100925166B1 true KR100925166B1 (ko) 2009-11-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070055791A Expired - Fee Related KR100925166B1 (ko) 2006-06-08 2007-06-08 화상투사용 광학계 및 화상투사 장치

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101267098B1 (ko) 2009-04-08 2013-05-24 미쓰비시덴키 가부시키가이샤 광원 장치

Families Citing this family (11)

* 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
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960028149A (ko) * 1994-12-19 1996-07-22 배순훈 투사형 화상표시시스템의 화면비대칭 보정장치
JP2001296513A (ja) 2000-04-17 2001-10-26 Seiko Epson Corp 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
KR20060039004A (ko) * 2003-07-17 2006-05-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 포일 기반의 레이저/ｌｅｄ 변조기 어레이를 구비한 광이미징 시스템

Family Cites Families (13)

* 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
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
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960028149A (ko) * 1994-12-19 1996-07-22 배순훈 투사형 화상표시시스템의 화면비대칭 보정장치
JP2001296513A (ja) 2000-04-17 2001-10-26 Seiko Epson Corp 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
KR20060039004A (ko) * 2003-07-17 2006-05-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 포일 기반의 레이저/ｌｅｄ 변조기 어레이를 구비한 광이미징 시스템

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101267098B1 (ko) 2009-04-08 2013-05-24 미쓰비시덴키 가부시키가이샤 광원 장치

Also Published As

Publication number Publication date
US20070291594A1 (en) 2007-12-20
US7976166B2 (en) 2011-07-12
JP5213360B2 (ja) 2013-06-19
JP2008015501A (ja) 2008-01-24
KR20070117496A (ko) 2007-12-12

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