JP5538796B2 - 画像投射装置 - Google Patents

画像投射装置 Download PDF

Info

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
Other languages
English (en)
Japanese (ja)
Other versions
JP2011070082A (ja
JP2011070082A5 (enrdf_load_stackoverflow
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

Links

Images

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (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 (enrdf_load_stackoverflow) 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)

Country Link
JP (1) JP5538796B2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5793711B2 (ja) 2013-04-18 2015-10-14 パナソニックＩｐマネジメント株式会社 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

Similar Documents

Publication Publication Date Title
JP5164421B2 (ja) 色分解合成光学系およびそれを用いた画像投影装置
JP2003337298A (ja) 画像表示装置
US20080291400A1 (en) Projection display device
JP4909141B2 (ja) 投写型表示装置
JP2004078159A (ja) 投写型表示装置
JP6278489B2 (ja) 投写型表示装置
JP2011154159A5 (enrdf_load_stackoverflow)
JP2011154159A (ja) 画像投射装置
US20120120373A1 (en) Image projector
JP5538796B2 (ja) 画像投射装置
CN100434968C (zh) 投射型显示装置
US7222965B2 (en) Optical unit and a projection image display apparatus using the same
JP4221334B2 (ja) 投写型表示装置
JP2010096843A (ja) 全反射プリズムおよび投影装置
KR100546644B1 (ko) 반사형 조명 광학계
JP2011070082A5 (enrdf_load_stackoverflow)
JP2011158920A (ja) 投写型表示装置
JP2002365591A (ja) 光学ユニット及びそれを用いた映像表示装置
JP4154718B2 (ja) 反射型照明光学系
JP2011095404A (ja) 画像表示装置
CN110873997B (zh) 投射型图像显示装置
KR100763396B1 (ko) 조명 광학계
JP2005106901A (ja) 画像投射装置
JP2004061599A (ja) プロジェクタ
JP4909438B2 (ja) 投写型表示装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120928

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20120928

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20130719

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130723

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130924

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20131203

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140203

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20140408

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20140430

LAPS Cancellation because of no payment of annual fees