CN1182417C - 投影仪 - Google Patents

投影仪 Download PDF

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Publication number
CN1182417C
CN1182417C CNB011033215A CN01103321A CN1182417C CN 1182417 C CN1182417 C CN 1182417C CN B011033215 A CNB011033215 A CN B011033215A CN 01103321 A CN01103321 A CN 01103321A CN 1182417 C CN1182417 C CN 1182417C
Authority
CN
China
Prior art keywords
mentioned
light
lens
light source
optical system
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
CNB011033215A
Other languages
English (en)
Chinese (zh)
Other versions
CN1316667A (zh
Inventor
���ټθ�
伊藤嘉高
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
Publication of CN1316667A publication Critical patent/CN1316667A/zh
Application granted granted Critical
Publication of CN1182417C publication Critical patent/CN1182417C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • H04N9/3167—Modulator illumination systems for polarizing the light beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CNB011033215A 2000-01-28 2001-01-31 投影仪 Expired - Fee Related CN1182417C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000020815A JP3666339B2 (ja) 2000-01-28 2000-01-28 プロジェクタ
JP20815/2000 2000-01-28

Publications (2)

Publication Number Publication Date
CN1316667A CN1316667A (zh) 2001-10-10
CN1182417C true CN1182417C (zh) 2004-12-29

Family

ID=18547320

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB011033215A Expired - Fee Related CN1182417C (zh) 2000-01-28 2001-01-31 投影仪

Country Status (7)

Country Link
US (1) US6601958B2 (https=)
EP (1) EP1120682B1 (https=)
JP (1) JP3666339B2 (https=)
KR (1) KR100408380B1 (https=)
CN (1) CN1182417C (https=)
DE (1) DE60102310T2 (https=)
TW (1) TW548427B (https=)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2002023105A (ja) * 2000-07-04 2002-01-23 Seiko Epson Corp 照明光学系及びこれを用いたプロジェクタ
FR2819899A1 (fr) * 2001-01-24 2002-07-26 Thomson Multimedia Sa Systeme de projection ou de visualisation d'images
KR100433210B1 (ko) * 2001-08-10 2004-05-28 엘지전자 주식회사 광량 균일화 및 색분리 겸용 광학소자를 이용한프로젝터의 조명 광학계
KR100443679B1 (ko) * 2002-04-19 2004-08-11 엘지전자 주식회사 인터그레이터 및 이를 이용한 프로젝터
US20040032656A1 (en) * 2002-08-15 2004-02-19 Valter Drazic Polarization conversion system and method of calibrating same
TW561306B (en) * 2002-10-17 2003-11-11 Himax Tech Inc LCD projection system and illumination device thereof
JP3608562B2 (ja) * 2003-03-07 2005-01-12 ソニー株式会社 反射型液晶表示素子および液晶表示装置
JP2005148707A (ja) * 2003-10-23 2005-06-09 Seiko Epson Corp プロジェクタ
KR100632510B1 (ko) * 2004-04-30 2006-10-09 엘지전자 주식회사 와이어 그리드 편광자 및 그 제조 방법
JP2005352080A (ja) * 2004-06-09 2005-12-22 Fujinon Corp プロジェクタ用全反射プリズム
JP4817639B2 (ja) * 2004-10-14 2011-11-16 キヤノン株式会社 照明光学系及びそれを用いた画像表示装置
US20060103777A1 (en) * 2004-11-15 2006-05-18 3M Innovative Properties Company Optical film having a structured surface with rectangular based prisms
KR100672411B1 (ko) 2004-12-16 2007-01-24 엘지전자 주식회사 조명 장치 및 이를 이용한 프로젝션 디스플레이 장치
US7220026B2 (en) * 2004-12-30 2007-05-22 3M Innovative Properties Company Optical film having a structured surface with offset prismatic structures
US7416309B2 (en) * 2004-12-30 2008-08-26 3M Innovative Properties Company Optical film having a surface with rounded structures
US20060250707A1 (en) * 2005-05-05 2006-11-09 3M Innovative Properties Company Optical film having a surface with rounded pyramidal structures
US20070024994A1 (en) * 2005-07-29 2007-02-01 3M Innovative Properties Company Structured optical film with interspersed pyramidal structures
JP4880957B2 (ja) * 2005-09-13 2012-02-22 キヤノン株式会社 照明光学系およびそれを用いた投射型表示装置
WO2007083678A1 (ja) * 2006-01-19 2007-07-26 Matsushita Electric Industrial Co., Ltd. 照明装置及びそれを用いた投写型表示装置
JP2007248794A (ja) * 2006-03-16 2007-09-27 Hitachi Ltd 投射型映像表示装置
JP5361145B2 (ja) * 2006-06-08 2013-12-04 キヤノン株式会社 照明光学系、画像投射用光学系及び画像投射装置
TWI325093B (en) 2007-04-10 2010-05-21 Ind Tech Res Inst Color-mixing laser module and projectors using the same
TW200842480A (en) * 2007-04-16 2008-11-01 Coretronic Corp Light uniforming element
JP5110979B2 (ja) * 2007-06-26 2012-12-26 キヤノン株式会社 照明光学系およびそれを用いた投射型表示装置
TW201015131A (en) * 2008-09-05 2010-04-16 Wavien Inc Pseudo light pipe for coupling of light for dual paraboloid reflector (DPR) system
US9033511B2 (en) * 2009-09-16 2015-05-19 Nec Display Solutions, Ltd. Illuminating device including reflective polarizing plate and projection display device using the same
JP2012073524A (ja) * 2010-09-29 2012-04-12 Sanyo Electric Co Ltd 投写型映像表示装置
CN102692711A (zh) * 2011-03-21 2012-09-26 深圳市众望达光电有限公司 一种光斑匀化处理的激光照明器
JP5656731B2 (ja) * 2011-05-02 2015-01-21 キヤノン株式会社 照明光学系及びそれを用いた画像表示装置
US9261764B2 (en) * 2011-06-03 2016-02-16 Texas Instruments Incorporated Optically efficient polarized projector
JP5188612B2 (ja) * 2011-08-01 2013-04-24 キヤノン株式会社 レンズアレイ光学系、投射光学ユニット、画像投射装置および画像表示システム
JP5247867B2 (ja) * 2011-09-16 2013-07-24 キヤノン株式会社 照明光学系およびそれを用いた投射型表示装置
CN103365046B (zh) * 2012-03-26 2015-09-09 中强光电股份有限公司 投影装置及其集光柱
JP2014153636A (ja) * 2013-02-13 2014-08-25 Canon Inc 照明光学系および画像投射装置
JP5797302B2 (ja) * 2014-06-09 2015-10-21 キヤノン株式会社 照明光学系及びそれを用いた画像表示装置
JP6525560B2 (ja) * 2014-11-26 2019-06-05 キヤノン株式会社 光学装置および画像投射装置
US10088689B2 (en) * 2015-03-13 2018-10-02 Microsoft Technology Licensing, Llc Light engine with lenticular microlenslet arrays
JP7102843B2 (ja) * 2018-03-27 2022-07-20 セイコーエプソン株式会社 光源装置およびプロジェクター
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
JP6841306B2 (ja) * 2019-07-05 2021-03-10 セイコーエプソン株式会社 光源装置およびプロジェクター
CN114019753A (zh) * 2021-11-29 2022-02-08 迪擎光电(台州)有限责任公司 一种薄型异轴光引擎架构

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5184248A (en) 1990-07-16 1993-02-02 U.S. Philips Corporation Image projection apparatus
US5625738A (en) * 1994-06-28 1997-04-29 Corning Incorporated Apparatus for uniformly illuminating a light valve
JPH0834127A (ja) 1994-07-22 1996-02-06 Oki Electric Ind Co Ltd カラー印刷装置
US5621486A (en) 1995-06-22 1997-04-15 International Business Machines Corporation Efficient optical system for a high resolution projection display employing reflection light valves
JPH0943562A (ja) 1995-07-31 1997-02-14 Sharp Corp 投影型カラー液晶表示装置
KR100499431B1 (ko) 1996-08-19 2005-11-04 세이코 엡슨 가부시키가이샤 액정 장치의 구동방법
TW561296B (en) 1996-10-30 2003-11-11 Seiko Epson Corp Projection display and its illuminating optical system
US6257726B1 (en) * 1997-02-13 2001-07-10 Canon Kabushiki Kaisha Illuminating apparatus and projecting apparatus
US5884991A (en) * 1997-02-18 1999-03-23 Torch Technologies Llc LCD projection system with polarization doubler
JP3697013B2 (ja) 1997-02-19 2005-09-21 キヤノン株式会社 照明装置及びそれを用いた投影装置
JP3635867B2 (ja) * 1997-06-03 2005-04-06 株式会社日立製作所 投射型液晶表示装置
JP3132505B2 (ja) * 1999-01-14 2001-02-05 セイコーエプソン株式会社 投写型表示装置
US6491396B2 (en) * 2000-02-15 2002-12-10 Seiko Epson Corporation Projector modulating a plurality of partial luminous fluxes according to imaging information by means of an electro-optical device

Also Published As

Publication number Publication date
DE60102310T2 (de) 2005-05-04
EP1120682A3 (en) 2002-12-18
KR20010077976A (ko) 2001-08-20
DE60102310D1 (de) 2004-04-22
JP3666339B2 (ja) 2005-06-29
EP1120682A2 (en) 2001-08-01
EP1120682B1 (en) 2004-03-17
JP2001215448A (ja) 2001-08-10
US6601958B2 (en) 2003-08-05
TW548427B (en) 2003-08-21
KR100408380B1 (ko) 2003-12-06
US20010028412A1 (en) 2001-10-11
CN1316667A (zh) 2001-10-10

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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20041229

Termination date: 20190131