JP2001142141A - プロジェクタ - Google Patents

プロジェクタ

Info

Publication number
JP2001142141A
JP2001142141A JP32427399A JP32427399A JP2001142141A JP 2001142141 A JP2001142141 A JP 2001142141A JP 32427399 A JP32427399 A JP 32427399A JP 32427399 A JP32427399 A JP 32427399A JP 2001142141 A JP2001142141 A JP 2001142141A
Authority
JP
Japan
Prior art keywords
light
red
polarized light
dichroic film
blue
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
JP32427399A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001142141A5 (enExample
Inventor
Yoshitoshi Yamauchi
佐敏 山内
Yasuyuki Takiguchi
康之 滝口
Kenji Kameyama
健司 亀山
Kazuya Miyagaki
一也 宮垣
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP32427399A priority Critical patent/JP2001142141A/ja
Priority to US09/631,791 priority patent/US6497488B1/en
Publication of JP2001142141A publication Critical patent/JP2001142141A/ja
Publication of JP2001142141A5 publication Critical patent/JP2001142141A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Microscoopes, Condenser (AREA)
  • Projection Apparatus (AREA)
JP32427399A 1999-08-06 1999-11-15 プロジェクタ Pending JP2001142141A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP32427399A JP2001142141A (ja) 1999-11-15 1999-11-15 プロジェクタ
US09/631,791 US6497488B1 (en) 1999-08-06 2000-08-03 Illumination system and projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32427399A JP2001142141A (ja) 1999-11-15 1999-11-15 プロジェクタ

Publications (2)

Publication Number Publication Date
JP2001142141A true JP2001142141A (ja) 2001-05-25
JP2001142141A5 JP2001142141A5 (enExample) 2005-02-24

Family

ID=18163977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32427399A Pending JP2001142141A (ja) 1999-08-06 1999-11-15 プロジェクタ

Country Status (1)

Country Link
JP (1) JP2001142141A (enExample)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004233950A (ja) * 2002-12-04 2004-08-19 Ricoh Co Ltd 情報表示装置
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
JP2007079029A (ja) * 2005-09-13 2007-03-29 Canon Inc 照明光学系およびそれを用いた投射型表示装置
WO2009041038A1 (ja) * 2007-09-25 2009-04-02 Hi-Mec Co., Ltd. 無偏光クロスダイクロイックプリズム、光学ユニット、および投射型表示装置
JP2009145550A (ja) * 2007-12-13 2009-07-02 Nikon Corp レーザ走査顕微鏡
US8950873B2 (en) 2012-06-15 2015-02-10 Ushio Denki Kabushiki Kaisha Light source apparatus and projector
US8960927B2 (en) 2011-12-27 2015-02-24 Ushio Denki Kabushiki Kaisha Coherent light source apparatus and projector
US9380686B2 (en) 2012-08-01 2016-06-28 Ushio Denki Kabushiki Kaishi Discharge lamp lighting apparatus and projector
US9488849B2 (en) 2012-02-21 2016-11-08 Ushio Denki Kabushiki Kaisha Coherent light source device and projector
US9581885B2 (en) 2012-05-11 2017-02-28 Ushio Denki Kabushiki Kaisha Light source apparatus and projector
US9615069B2 (en) 2013-03-06 2017-04-04 Ushio Denki Kabushiki Kaisha Light source unit and projector
US9749603B2 (en) 2013-01-30 2017-08-29 Ushio Denki Kabushiki Kaisha Projector light source unit having intensity controller
WO2018096637A1 (ja) * 2016-11-24 2018-05-31 株式会社アイテックシステム 光源装置
US10031407B2 (en) 2013-07-19 2018-07-24 Ushio Denki Kabushiki Kaisha Light source unit and projector
US10191362B2 (en) 2014-08-08 2019-01-29 Ushio Denki Kabushiki Kaisha Light source unit and projector

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004233950A (ja) * 2002-12-04 2004-08-19 Ricoh Co Ltd 情報表示装置
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
JP2007079029A (ja) * 2005-09-13 2007-03-29 Canon Inc 照明光学系およびそれを用いた投射型表示装置
EP1763254A3 (en) * 2005-09-13 2007-07-11 Canon Kabushiki Kaisha Illumination optical system and projection-type image display apparatus
CN100437203C (zh) * 2005-09-13 2008-11-26 佳能株式会社 照明光学系统以及使用了该系统的投射型显示装置
US7690793B2 (en) 2005-09-13 2010-04-06 Canon Kabushiki Kaisha Illumination optical system and projection-type image display apparatus
WO2009041038A1 (ja) * 2007-09-25 2009-04-02 Hi-Mec Co., Ltd. 無偏光クロスダイクロイックプリズム、光学ユニット、および投射型表示装置
JP2009145550A (ja) * 2007-12-13 2009-07-02 Nikon Corp レーザ走査顕微鏡
US8960927B2 (en) 2011-12-27 2015-02-24 Ushio Denki Kabushiki Kaisha Coherent light source apparatus and projector
US9488849B2 (en) 2012-02-21 2016-11-08 Ushio Denki Kabushiki Kaisha Coherent light source device and projector
US9581885B2 (en) 2012-05-11 2017-02-28 Ushio Denki Kabushiki Kaisha Light source apparatus and projector
US8950873B2 (en) 2012-06-15 2015-02-10 Ushio Denki Kabushiki Kaisha Light source apparatus and projector
US9380686B2 (en) 2012-08-01 2016-06-28 Ushio Denki Kabushiki Kaishi Discharge lamp lighting apparatus and projector
US9749603B2 (en) 2013-01-30 2017-08-29 Ushio Denki Kabushiki Kaisha Projector light source unit having intensity controller
US9615069B2 (en) 2013-03-06 2017-04-04 Ushio Denki Kabushiki Kaisha Light source unit and projector
US10031407B2 (en) 2013-07-19 2018-07-24 Ushio Denki Kabushiki Kaisha Light source unit and projector
US10191362B2 (en) 2014-08-08 2019-01-29 Ushio Denki Kabushiki Kaisha Light source unit and projector
WO2018096637A1 (ja) * 2016-11-24 2018-05-31 株式会社アイテックシステム 光源装置
JPWO2018096637A1 (ja) * 2016-11-24 2019-10-17 株式会社アイテックシステム 光源装置

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