JP3642014B2 - プロジェクタ - Google Patents

プロジェクタ Download PDF

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Publication number
JP3642014B2
JP3642014B2 JP2000250747A JP2000250747A JP3642014B2 JP 3642014 B2 JP3642014 B2 JP 3642014B2 JP 2000250747 A JP2000250747 A JP 2000250747A JP 2000250747 A JP2000250747 A JP 2000250747A JP 3642014 B2 JP3642014 B2 JP 3642014B2
Authority
JP
Japan
Prior art keywords
light
base frame
optical
optical system
projector
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
JP2000250747A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002062587A (ja
JP2002062587A5 (cg-RX-API-DMAC7.html
Inventor
基行 藤森
久麿 加藤
武士 竹澤
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 JP2000250747A priority Critical patent/JP3642014B2/ja
Priority to US09/925,542 priority patent/US6631039B2/en
Publication of JP2002062587A publication Critical patent/JP2002062587A/ja
Application granted granted Critical
Publication of JP3642014B2 publication Critical patent/JP3642014B2/ja
Publication of JP2002062587A5 publication Critical patent/JP2002062587A5/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B27/12—Beam splitting or combining systems operating by refraction only
    • G02B27/123—The splitting element being a lens or a system of lenses, including arrays and surfaces with refractive power
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2000250747A 2000-08-22 2000-08-22 プロジェクタ Expired - Lifetime JP3642014B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000250747A JP3642014B2 (ja) 2000-08-22 2000-08-22 プロジェクタ
US09/925,542 US6631039B2 (en) 2000-08-22 2001-08-10 Optical unit and projector using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000250747A JP3642014B2 (ja) 2000-08-22 2000-08-22 プロジェクタ

Publications (3)

Publication Number Publication Date
JP2002062587A JP2002062587A (ja) 2002-02-28
JP3642014B2 true JP3642014B2 (ja) 2005-04-27
JP2002062587A5 JP2002062587A5 (cg-RX-API-DMAC7.html) 2005-06-16

Family

ID=18740268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000250747A Expired - Lifetime JP3642014B2 (ja) 2000-08-22 2000-08-22 プロジェクタ

Country Status (2)

Country Link
US (1) US6631039B2 (cg-RX-API-DMAC7.html)
JP (1) JP3642014B2 (cg-RX-API-DMAC7.html)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3794250B2 (ja) * 2000-07-17 2006-07-05 セイコーエプソン株式会社 プロジェクタ
US6860607B2 (en) * 2002-03-15 2005-03-01 Seiko Epson Corporation Integrator type illumination optical system and projector having the same
JP4338434B2 (ja) * 2002-06-07 2009-10-07 富士フイルム株式会社 透過型２次元光変調素子及びそれを用いた露光装置
JP3599052B2 (ja) * 2002-12-13 2004-12-08 ソニー株式会社 画像表示装置
US6769779B1 (en) * 2003-07-22 2004-08-03 Eastman Kodak Company Housing for mounting modulation and polarization components in alignment with an optical path
JP4458352B2 (ja) * 2004-11-29 2010-04-28 京セラ株式会社 照明光学装置および投射型表示装置
JP4860195B2 (ja) * 2005-07-15 2012-01-25 Ｎｅｃディスプレイソリューションズ株式会社 偏光変換装置および投写型表示装置
JP2007114263A (ja) * 2005-10-18 2007-05-10 Seiko Epson Corp プロジェクタ
JP2007249184A (ja) * 2006-02-15 2007-09-27 Seiko Epson Corp プロジェクタ
US7828443B2 (en) 2006-02-15 2010-11-09 Seiko Epson Corporation Projector
JP4618585B2 (ja) * 2007-10-10 2011-01-26 Ｎｅｃディスプレイソリューションズ株式会社 光学ユニットおよび投写型表示装置
JP2010250276A (ja) * 2009-03-27 2010-11-04 Seiko Epson Corp 光学物品及び光学物品の製造方法
US9335618B2 (en) 2011-11-07 2016-05-10 Hitachi Maxell, Ltd. Projection image display apparatus
JP2021136071A (ja) * 2020-02-24 2021-09-13 セイコーエプソン株式会社 光源装置、照明装置およびプロジェクター

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH086023A (ja) * 1994-04-22 1996-01-12 Matsushita Electric Ind Co Ltd 液晶表示装置および液晶投写型装置
US5875013A (en) * 1994-07-20 1999-02-23 Matsushita Electric Industrial Co.,Ltd. Reflection light absorbing plate and display panel for use in a display apparatus
JP3767047B2 (ja) * 1996-04-26 2006-04-19 セイコーエプソン株式会社 投写型表示装置
JP3598752B2 (ja) * 1996-10-04 2004-12-08 セイコーエプソン株式会社 投写型表示装置
DE69726556T2 (de) * 1996-10-04 2004-11-04 Seiko Epson Corp. Projektionsanzeigevorrichtung

Also Published As

Publication number Publication date
JP2002062587A (ja) 2002-02-28
US6631039B2 (en) 2003-10-07
US20020126379A1 (en) 2002-09-12

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