JP3666339B2 - プロジェクタ - Google Patents

プロジェクタ Download PDF

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Publication number
JP3666339B2
JP3666339B2 JP2000020815A JP2000020815A JP3666339B2 JP 3666339 B2 JP3666339 B2 JP 3666339B2 JP 2000020815 A JP2000020815 A JP 2000020815A JP 2000020815 A JP2000020815 A JP 2000020815A JP 3666339 B2 JP3666339 B2 JP 3666339B2
Authority
JP
Japan
Prior art keywords
light
lens
light beam
illumination
light source
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
JP2000020815A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001215448A (ja
JP2001215448A5 (enExample
Inventor
嘉高 伊藤
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 JP2000020815A priority Critical patent/JP3666339B2/ja
Priority to TW090100294A priority patent/TW548427B/zh
Priority to KR10-2001-0001782A priority patent/KR100408380B1/ko
Priority to US09/769,261 priority patent/US6601958B2/en
Priority to DE60102310T priority patent/DE60102310T2/de
Priority to EP01300738A priority patent/EP1120682B1/en
Priority to CNB011033215A priority patent/CN1182417C/zh
Publication of JP2001215448A publication Critical patent/JP2001215448A/ja
Publication of JP2001215448A5 publication Critical patent/JP2001215448A5/ja
Application granted granted Critical
Publication of JP3666339B2 publication Critical patent/JP3666339B2/ja
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)
JP2000020815A 2000-01-28 2000-01-28 プロジェクタ Expired - Fee Related JP3666339B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2000020815A JP3666339B2 (ja) 2000-01-28 2000-01-28 プロジェクタ
TW090100294A TW548427B (en) 2000-01-28 2001-01-05 Projector
KR10-2001-0001782A KR100408380B1 (ko) 2000-01-28 2001-01-12 프로젝터
US09/769,261 US6601958B2 (en) 2000-01-28 2001-01-26 Projector
DE60102310T DE60102310T2 (de) 2000-01-28 2001-01-29 Flüssigkristall-Projektor mit Polarisations-Wandler
EP01300738A EP1120682B1 (en) 2000-01-28 2001-01-29 Liquid crystal projector with polarization conversion element
CNB011033215A CN1182417C (zh) 2000-01-28 2001-01-31 投影仪

Applications Claiming Priority (1)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2004104210A Division JP4155220B2 (ja) 2004-03-31 2004-03-31 プロジェクタ

Publications (3)

Publication Number Publication Date
JP2001215448A JP2001215448A (ja) 2001-08-10
JP2001215448A5 JP2001215448A5 (enExample) 2005-03-03
JP3666339B2 true JP3666339B2 (ja) 2005-06-29

Family

ID=18547320

Family Applications (1)

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

Country Status (7)

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

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
CN101371070B (zh) * 2006-01-19 2011-06-08 松下电器产业株式会社 照明装置及使用它的投射型显示装置
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
EP2479610A4 (en) * 2009-09-16 2015-07-01 Nec Display Solutions Ltd LIGHTING DEVICE AND PROJECTION DISPLAY DEVICE THEREFOR
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
US6181310B1 (en) 1996-08-19 2001-01-30 Seiko Epson Corporation Driving method of liquid crystal apparatus
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
KR20010077976A (ko) 2001-08-20
US20010028412A1 (en) 2001-10-11
DE60102310T2 (de) 2005-05-04
EP1120682A2 (en) 2001-08-01
US6601958B2 (en) 2003-08-05
EP1120682B1 (en) 2004-03-17
EP1120682A3 (en) 2002-12-18
KR100408380B1 (ko) 2003-12-06
TW548427B (en) 2003-08-21
CN1316667A (zh) 2001-10-10
CN1182417C (zh) 2004-12-29
JP2001215448A (ja) 2001-08-10
DE60102310D1 (de) 2004-04-22

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