JP5538796B2 - 画像投射装置 - Google Patents

画像投射装置 Download PDF

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Publication number
JP5538796B2
JP5538796B2 JP2009222512A JP2009222512A JP5538796B2 JP 5538796 B2 JP5538796 B2 JP 5538796B2 JP 2009222512 A JP2009222512 A JP 2009222512A JP 2009222512 A JP2009222512 A JP 2009222512A JP 5538796 B2 JP5538796 B2 JP 5538796B2
Authority
JP
Japan
Prior art keywords
light
dichroic mirror
color
polarization beam
polarization
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
JP2009222512A
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English (en)
Japanese (ja)
Other versions
JP2011070082A5 (enExample
JP2011070082A (ja
Inventor
貴士 須藤
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.)
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 JP2009222512A priority Critical patent/JP5538796B2/ja
Publication of JP2011070082A publication Critical patent/JP2011070082A/ja
Publication of JP2011070082A5 publication Critical patent/JP2011070082A5/ja
Application granted granted Critical
Publication of JP5538796B2 publication Critical patent/JP5538796B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Images

Landscapes

  • Projection Apparatus (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
JP2009222512A 2009-09-28 2009-09-28 画像投射装置 Expired - Fee Related JP5538796B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009222512A JP5538796B2 (ja) 2009-09-28 2009-09-28 画像投射装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009222512A JP5538796B2 (ja) 2009-09-28 2009-09-28 画像投射装置

Publications (3)

Publication Number Publication Date
JP2011070082A JP2011070082A (ja) 2011-04-07
JP2011070082A5 JP2011070082A5 (enExample) 2012-11-15
JP5538796B2 true JP5538796B2 (ja) 2014-07-02

Family

ID=44015417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009222512A Expired - Fee Related JP5538796B2 (ja) 2009-09-28 2009-09-28 画像投射装置

Country Status (1)

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JP (1) JP5538796B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014171135A1 (ja) * 2013-04-18 2014-10-23 パナソニック株式会社 投写型映像表示装置
CN112904656B (zh) * 2019-12-03 2025-02-14 深圳光峰科技股份有限公司 一种投影光学系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1062715A (ja) * 1996-08-19 1998-03-06 Toshiba Corp 液晶プロジェクション装置
JP3622500B2 (ja) * 1998-05-20 2005-02-23 株式会社富士通ゼネラル 液晶プロジェクタ装置
JP4287567B2 (ja) * 1999-09-17 2009-07-01 株式会社日立製作所 映像表示装置
JP3768381B2 (ja) * 2000-05-11 2006-04-19 株式会社日立製作所 液晶プロジェクタ
JP3797162B2 (ja) * 2001-09-03 2006-07-12 ソニー株式会社 投影装置
JP2003098596A (ja) * 2001-09-25 2003-04-03 Hitachi Ltd 光学ユニット及びそれを用いた液晶プロジェクタ
JP2004233961A (ja) * 2003-01-09 2004-08-19 Nikon Corp 投射型表示装置
JP2005017370A (ja) * 2003-06-23 2005-01-20 Fujinon Corp 液晶プロジェクタ
JP2005227740A (ja) * 2003-06-25 2005-08-25 Nikon Corp 投射型表示装置

Also Published As

Publication number Publication date
JP2011070082A (ja) 2011-04-07

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