JP2005283663A - 表示光学系および画像投射装置 - Google Patents

表示光学系および画像投射装置 Download PDF

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Publication number
JP2005283663A
JP2005283663A JP2004093568A JP2004093568A JP2005283663A JP 2005283663 A JP2005283663 A JP 2005283663A JP 2004093568 A JP2004093568 A JP 2004093568A JP 2004093568 A JP2004093568 A JP 2004093568A JP 2005283663 A JP2005283663 A JP 2005283663A
Authority
JP
Japan
Prior art keywords
light
projection lens
optical
optical system
reflective
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.)
Pending
Application number
JP2004093568A
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English (en)
Japanese (ja)
Other versions
JP2005283663A5 (https=
Inventor
Hiroki Nakayama
博喜 中山
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
Priority to JP2004093568A priority Critical patent/JP2005283663A/ja
Priority to US11/086,967 priority patent/US7287861B2/en
Publication of JP2005283663A publication Critical patent/JP2005283663A/ja
Publication of JP2005283663A5 publication Critical patent/JP2005283663A5/ja
Pending legal-status Critical Current

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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
    • G02B27/14—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
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • 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
    • G02B27/1026—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with reflective spatial light modulators
    • 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
    • G03B21/2066—Reflectors in illumination beam
    • 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
    • H04N9/317—Convergence or focusing systems

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)
  • Optical Elements Other Than Lenses (AREA)
  • Lenses (AREA)
JP2004093568A 2004-03-26 2004-03-26 表示光学系および画像投射装置 Pending JP2005283663A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004093568A JP2005283663A (ja) 2004-03-26 2004-03-26 表示光学系および画像投射装置
US11/086,967 US7287861B2 (en) 2004-03-26 2005-03-22 Display optical system and image projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004093568A JP2005283663A (ja) 2004-03-26 2004-03-26 表示光学系および画像投射装置

Publications (2)

Publication Number Publication Date
JP2005283663A true JP2005283663A (ja) 2005-10-13
JP2005283663A5 JP2005283663A5 (https=) 2010-04-30

Family

ID=34989404

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004093568A Pending JP2005283663A (ja) 2004-03-26 2004-03-26 表示光学系および画像投射装置

Country Status (2)

Country Link
US (1) US7287861B2 (https=)
JP (1) JP2005283663A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012027318A (ja) * 2010-07-26 2012-02-09 Canon Inc 投射型表示装置
US8425043B2 (en) 2009-03-03 2013-04-23 Seiko Epson Corporation Projector having a plurality of optical devices with a purality of optical modulators

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1480075B1 (en) * 2002-10-31 2009-02-04 Seiko Epson Corporation Projector
US7317576B2 (en) * 2006-04-21 2008-01-08 Cpfilms, Inc. Dichroic filters on flexible polymer film substrates
US7901083B2 (en) * 2006-07-31 2011-03-08 3M Innovative Properties Company Optical projection subsystem
US8075140B2 (en) 2006-07-31 2011-12-13 3M Innovative Properties Company LED illumination system with polarization recycling
EP2372797A3 (en) 2006-07-31 2017-01-18 3M Innovative Properties Co. Light emitting diode source with hollow collection lens
US20080036972A1 (en) * 2006-07-31 2008-02-14 3M Innovative Properties Company Led mosaic
JP5164421B2 (ja) * 2007-04-24 2013-03-21 キヤノン株式会社 色分解合成光学系およびそれを用いた画像投影装置
US8328365B2 (en) 2009-04-30 2012-12-11 Hewlett-Packard Development Company, L.P. Mesh for mapping domains based on regularized fiducial marks
US9762688B2 (en) 2014-10-31 2017-09-12 The Nielsen Company (Us), Llc Methods and apparatus to improve usage crediting in mobile devices
DE102023107977A1 (de) * 2023-03-29 2024-10-02 tooz technologies GmbH Anzeigevorrichtung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1138210A (ja) * 1997-07-15 1999-02-12 Seiko Epson Corp ダイクロイックプリズムおよび投写型表示装置
JPH11352440A (ja) * 1998-04-08 1999-12-24 Seiko Epson Corp 光選択プリズム及びこれを用いた投写型表示装置、並びに光選択プリズムの製造方法
JP2001066694A (ja) * 1999-08-27 2001-03-16 Hitachi Ltd 色合成プリズム及びその製造方法並びに投射型表示装置
JP2001066695A (ja) * 1999-08-31 2001-03-16 Fuji Photo Optical Co Ltd プロジェクタ装置
JP2002006298A (ja) * 2000-06-26 2002-01-09 Cosina Co Ltd 投射型カラー画像表示装置
JP2003107220A (ja) * 2001-10-01 2003-04-09 Canon Inc 画像表示光学系および投射型画像表示装置
JP2003233124A (ja) * 2002-02-13 2003-08-22 Minolta Co Ltd プロジェクション光学系

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08201756A (ja) 1995-01-26 1996-08-09 Sharp Corp 液晶プロジェクター
US6247816B1 (en) * 1997-08-07 2001-06-19 International Business Machines Corporation Optical system for projection displays using spatial light modulators
JPH11231218A (ja) 1998-02-18 1999-08-27 Nitto Kogaku Kk 投写用ズームレンズおよびプロジェクタ装置
EP1143744B1 (en) * 2000-03-17 2008-09-24 Hitachi, Ltd. Image display device
JP4579384B2 (ja) * 2000-08-09 2010-11-10 キヤノン株式会社 色合成光学系、および該色合成光学系を有する投写型表示装置
US6652103B2 (en) * 2001-12-10 2003-11-25 Chunghwa Picture Tubes, Ltd. Reflective-type liquid crystal projection system
US6672724B1 (en) * 2001-12-27 2004-01-06 Infocus Corporation Projection system with integrated optical device
US6839095B2 (en) * 2002-05-17 2005-01-04 Infocus Corporation Single-path color video projection systems employing reflective liquid crystal display devices
TWI233524B (en) * 2003-09-16 2005-06-01 Delta Electronics Inc Digital light processing projector
JP2005189478A (ja) * 2003-12-25 2005-07-14 Fujinon Corp 投写レンズおよびこれを用いた投写型表示装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1138210A (ja) * 1997-07-15 1999-02-12 Seiko Epson Corp ダイクロイックプリズムおよび投写型表示装置
JPH11352440A (ja) * 1998-04-08 1999-12-24 Seiko Epson Corp 光選択プリズム及びこれを用いた投写型表示装置、並びに光選択プリズムの製造方法
JP2001066694A (ja) * 1999-08-27 2001-03-16 Hitachi Ltd 色合成プリズム及びその製造方法並びに投射型表示装置
JP2001066695A (ja) * 1999-08-31 2001-03-16 Fuji Photo Optical Co Ltd プロジェクタ装置
JP2002006298A (ja) * 2000-06-26 2002-01-09 Cosina Co Ltd 投射型カラー画像表示装置
JP2003107220A (ja) * 2001-10-01 2003-04-09 Canon Inc 画像表示光学系および投射型画像表示装置
JP2003233124A (ja) * 2002-02-13 2003-08-22 Minolta Co Ltd プロジェクション光学系

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8425043B2 (en) 2009-03-03 2013-04-23 Seiko Epson Corporation Projector having a plurality of optical devices with a purality of optical modulators
JP2012027318A (ja) * 2010-07-26 2012-02-09 Canon Inc 投射型表示装置
US8704143B2 (en) 2010-07-26 2014-04-22 Canon Kabushiki Kaisha Image projection apparatus utilizing reflective image display element and plural parallel plates for a plurality of color light (as amended)

Also Published As

Publication number Publication date
US20050213057A1 (en) 2005-09-29
US7287861B2 (en) 2007-10-30

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