DE69940718D1 - Beleuchtungsvorrichtung und Projektionsvorrichtung - Google Patents

Beleuchtungsvorrichtung und Projektionsvorrichtung

Info

Publication number
DE69940718D1
DE69940718D1 DE69940718T DE69940718T DE69940718D1 DE 69940718 D1 DE69940718 D1 DE 69940718D1 DE 69940718 T DE69940718 T DE 69940718T DE 69940718 T DE69940718 T DE 69940718T DE 69940718 D1 DE69940718 D1 DE 69940718D1
Authority
DE
Germany
Prior art keywords
projection
lighting
lighting device
projection device
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 - Lifetime
Application number
DE69940718T
Other languages
English (en)
Inventor
Ken Wada
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
Application granted granted Critical
Publication of DE69940718D1 publication Critical patent/DE69940718D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • G02B27/1046—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
    • 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

  • 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)
DE69940718T 1998-12-24 1999-12-23 Beleuchtungsvorrichtung und Projektionsvorrichtung Expired - Lifetime DE69940718D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP37654998 1998-12-24

Publications (1)

Publication Number Publication Date
DE69940718D1 true DE69940718D1 (de) 2009-05-28

Family

ID=18507330

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69940718T Expired - Lifetime DE69940718D1 (de) 1998-12-24 1999-12-23 Beleuchtungsvorrichtung und Projektionsvorrichtung

Country Status (4)

Country Link
US (1) US6478430B2 (de)
EP (1) EP1014159B1 (de)
JP (1) JP5143218B2 (de)
DE (1) DE69940718D1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5388394B2 (ja) * 2001-05-31 2014-01-15 キヤノン株式会社 投射型画像表示装置
US6919992B2 (en) 2001-10-01 2005-07-19 Canon Kabushiki Kaisha Color separating-combining optical system, image display optical system, and projection image display apparatus
JP3508753B2 (ja) * 2001-10-15 2004-03-22 ソニー株式会社 画像表示装置
JP4165479B2 (ja) * 2004-09-08 2008-10-15 セイコーエプソン株式会社 プロジェクタ
US20060279702A1 (en) * 2005-06-09 2006-12-14 Kettle Wiatt E Projection assembly
US7369320B2 (en) * 2005-12-30 2008-05-06 3M Innovative Properties Company Projection system with beam homogenizer
CN102239445A (zh) * 2008-12-05 2011-11-09 三洋电机株式会社 照明装置及投射型影像显示装置
US9128365B2 (en) * 2011-04-01 2015-09-08 Seiko Epson Corporation Projector, projection unit, and interactive board
JP6316226B2 (ja) * 2014-04-01 2018-04-25 キヤノン株式会社 照明光学系およびこれを用いた画像投射装置
JP6465594B2 (ja) 2014-09-03 2019-02-06 キヤノン株式会社 色分離合成系およびこれを用いた投射型表示装置
JP6665532B2 (ja) 2016-01-06 2020-03-13 セイコーエプソン株式会社 光源装置、照明装置及びプロジェクター

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60163439U (ja) * 1984-04-10 1985-10-30 株式会社リコー オ−バ−ヘツドプロジエクタ−の投影レンズ
JP3012374B2 (ja) * 1990-10-01 2000-02-21 旭光学工業株式会社 投影装置及び投影装置の画像調整方法
JPH05281508A (ja) * 1992-04-03 1993-10-29 Hitachi Ltd 液晶投写型ディスプレイ装置
JP2578223Y2 (ja) * 1992-11-04 1998-08-06 株式会社小糸製作所 プロジェクタ型前照灯
WO1994022042A1 (en) * 1993-03-16 1994-09-29 Seiko Epson Corporation Projection type display device
JP2878944B2 (ja) * 1993-05-19 1999-04-05 三菱電機株式会社 光源装置及び投写型表示装置
JP3473335B2 (ja) * 1996-08-19 2003-12-02 セイコーエプソン株式会社 投写型表示装置
JP3040784U (ja) * 1997-02-21 1997-08-26 株式会社目白プレシジョン 照明用ズームレンズ
JPH10268449A (ja) * 1997-03-24 1998-10-09 Fuji Photo Optical Co Ltd 照明光学系およびこの光学系を用いた投射光学系
US6186629B1 (en) * 1997-12-22 2001-02-13 Sony Corporation Optical device and display apparatus
JP3826528B2 (ja) * 1997-12-26 2006-09-27 ソニー株式会社 光学装置を備える表示装置
JPH11212022A (ja) * 1998-01-28 1999-08-06 Nec Corp 映像投射装置
EP1638342A3 (de) * 1998-10-08 2008-04-23 Minolta Co., Ltd. Projektor und Lampeneinheit
JP3684127B2 (ja) * 1999-02-17 2005-08-17 キヤノン株式会社 照明装置及び投射装置

Also Published As

Publication number Publication date
US6478430B2 (en) 2002-11-12
US20020131021A1 (en) 2002-09-19
EP1014159B1 (de) 2009-04-15
EP1014159A2 (de) 2000-06-28
EP1014159A3 (de) 2003-12-03
JP2011090321A (ja) 2011-05-06
JP5143218B2 (ja) 2013-02-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition