WO2008093786A1 - 投影装置 - Google Patents

投影装置 Download PDF

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Publication number
WO2008093786A1
WO2008093786A1 PCT/JP2008/051539 JP2008051539W WO2008093786A1 WO 2008093786 A1 WO2008093786 A1 WO 2008093786A1 JP 2008051539 W JP2008051539 W JP 2008051539W WO 2008093786 A1 WO2008093786 A1 WO 2008093786A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical system
projecting
screen
positive power
projecting device
Prior art date
Application number
PCT/JP2008/051539
Other languages
English (en)
French (fr)
Inventor
Tatsuo Uchida
Tetsuya Abe
Ken Agatsuma
Original Assignee
Tohoku University
Hoya Corporation
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 Tohoku University, Hoya Corporation filed Critical Tohoku University
Priority to US12/525,572 priority Critical patent/US20100141908A1/en
Publication of WO2008093786A1 publication Critical patent/WO2008093786A1/ja

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • 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
    • G03B21/10—Projectors with built-in or built-on screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)

Abstract

　投影装置（１００）は、表示素子により表示される像をスクリーン（Ｓ）に拡大投影するリアプロジェクション方式の投影装置であって、表示素子側から順に、正のパワーを持つ第１光学系（Ｌ１）と、正のパワーの反射面を含む第２光学系（Ｌ２）と、を有する投影光学系と、スクリーンに対して略直角をなすように投影装置に取り付けられており、投影光学系から射出された光をスクリーンに向けて反射する平面ミラー（２０）と、を有し、正のパワーの反射面の有効反射領域全域は、平面ミラーから見て第１光学系の光軸より遠い位置に配置されるように構成した。
PCT/JP2008/051539 2007-02-01 2008-01-31 投影装置 WO2008093786A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/525,572 US20100141908A1 (en) 2007-02-01 2008-01-31 Projecting device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007022743A JP2008191211A (ja) 2007-02-01 2007-02-01 投影装置
JP2007-022743 2007-02-01

Publications (1)

Publication Number Publication Date
WO2008093786A1 true WO2008093786A1 (ja) 2008-08-07

Family

ID=39674091

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/051539 WO2008093786A1 (ja) 2007-02-01 2008-01-31 投影装置

Country Status (3)

Country Link
US (1) US20100141908A1 (ja)
JP (1) JP2008191211A (ja)
WO (1) WO2008093786A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015037809A1 (en) * 2013-09-12 2015-03-19 Cj Cgv Co., Ltd. Kids cinema system for implementing well-lighted screening environment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008009201A (ja) * 2006-06-30 2008-01-17 Pentax Corp 投影装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004258620A (ja) * 2003-02-06 2004-09-16 Ricoh Co Ltd 投射光学系、拡大投射光学系、拡大投射装置及び画像投射装置
WO2006043666A1 (ja) * 2004-10-21 2006-04-27 Sony Corporation 投射光学系及び投射型画像表示装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6805447B2 (en) * 2000-10-13 2004-10-19 Nec Viewtechnology Ltd. Rear projection display device and projecting method used for the same
JP5042818B2 (ja) * 2004-03-30 2012-10-03 トムソン ライセンシング 投射モジュール及び投射モジュールを用いる投射機
JP4890771B2 (ja) * 2005-02-28 2012-03-07 富士フイルム株式会社 投写光学系およびこれを用いた投写型表示装置
JP2008096983A (ja) * 2006-09-15 2008-04-24 Ricoh Co Ltd 投射光学系及び画像投射装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004258620A (ja) * 2003-02-06 2004-09-16 Ricoh Co Ltd 投射光学系、拡大投射光学系、拡大投射装置及び画像投射装置
WO2006043666A1 (ja) * 2004-10-21 2006-04-27 Sony Corporation 投射光学系及び投射型画像表示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015037809A1 (en) * 2013-09-12 2015-03-19 Cj Cgv Co., Ltd. Kids cinema system for implementing well-lighted screening environment

Also Published As

Publication number Publication date
JP2008191211A (ja) 2008-08-21
US20100141908A1 (en) 2010-06-10

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