JP2009288408A5 - - Google Patents

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Publication number
JP2009288408A5
JP2009288408A5 JP2008139362A JP2008139362A JP2009288408A5 JP 2009288408 A5 JP2009288408 A5 JP 2009288408A5 JP 2008139362 A JP2008139362 A JP 2008139362A JP 2008139362 A JP2008139362 A JP 2008139362A JP 2009288408 A5 JP2009288408 A5 JP 2009288408A5
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JP
Japan
Prior art keywords
light beam
light
polarization conversion
polarization
conversion element
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.)
Granted
Application number
JP2008139362A
Other languages
English (en)
Japanese (ja)
Other versions
JP5268429B2 (ja
JP2009288408A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2008139362A priority Critical patent/JP5268429B2/ja
Priority claimed from JP2008139362A external-priority patent/JP5268429B2/ja
Priority to EP09160915A priority patent/EP2128695A3/en
Priority to US12/472,263 priority patent/US8142022B2/en
Publication of JP2009288408A publication Critical patent/JP2009288408A/ja
Publication of JP2009288408A5 publication Critical patent/JP2009288408A5/ja
Application granted granted Critical
Publication of JP5268429B2 publication Critical patent/JP5268429B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2008139362A 2008-05-28 2008-05-28 画像表示装置および照明光学系 Expired - Fee Related JP5268429B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008139362A JP5268429B2 (ja) 2008-05-28 2008-05-28 画像表示装置および照明光学系
EP09160915A EP2128695A3 (en) 2008-05-28 2009-05-22 Image display apparatus comprising plural light sources
US12/472,263 US8142022B2 (en) 2008-05-28 2009-05-26 Image display apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008139362A JP5268429B2 (ja) 2008-05-28 2008-05-28 画像表示装置および照明光学系

Publications (3)

Publication Number Publication Date
JP2009288408A JP2009288408A (ja) 2009-12-10
JP2009288408A5 true JP2009288408A5 (https=) 2011-06-30
JP5268429B2 JP5268429B2 (ja) 2013-08-21

Family

ID=41066747

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008139362A Expired - Fee Related JP5268429B2 (ja) 2008-05-28 2008-05-28 画像表示装置および照明光学系

Country Status (3)

Country Link
US (1) US8142022B2 (https=)
EP (1) EP2128695A3 (https=)
JP (1) JP5268429B2 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5567844B2 (ja) * 2010-01-29 2014-08-06 日立コンシューマエレクトロニクス株式会社 投写型映像表示装置
WO2012114522A1 (ja) * 2011-02-25 2012-08-30 日立コンシューマエレクトロニクス株式会社 投写型映像表示装置
TWI483000B (zh) * 2012-02-22 2015-05-01 台達電子工業股份有限公司 極化轉換元件組及包含該極化轉換元件組之投影裝置
CN102621789B (zh) * 2012-04-20 2014-06-18 杭州研明光电技术有限公司 采用混合光源的紧凑型液晶投影光引擎系统
CN204964979U (zh) * 2015-09-22 2016-01-13 广景视睿科技（深圳）有限公司 一种投影照明光路
JP6826426B2 (ja) * 2016-12-21 2021-02-03 ローム株式会社 照明ユニットおよび検査システム
JPWO2021132059A1 (https=) * 2019-12-25 2021-07-01
CN113589635B (zh) * 2020-04-30 2023-03-31 中强光电股份有限公司 照明系统及投影装置
US20240272537A1 (en) * 2023-02-14 2024-08-15 Coretronic Corporation Illumination system and projection device

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4090094B2 (ja) 1997-09-19 2008-05-28 株式会社長野光学研究所 光源装置
JP2000199883A (ja) * 1998-10-29 2000-07-18 Fujitsu Ltd 反射型プロジェクタ装置
JP2000155291A (ja) * 1998-11-19 2000-06-06 Nikon Corp ライトバルブ照明装置
JP2000180795A (ja) * 1998-12-18 2000-06-30 Nec Corp プロジェクタ装置
US6497488B1 (en) * 1999-08-06 2002-12-24 Ricoh Company, Ltd. Illumination system and projector
JP2001125049A (ja) * 1999-10-29 2001-05-11 Cabin Industrial Co Ltd 光合成器及びそれを用いた照明用光源並びにそれらを用いた液晶プロジェクター
EP1115255A1 (en) 2000-01-04 2001-07-11 CTX Opto-Electronics Corporation Liquid crystal projector with two light sources
JP2001264697A (ja) 2000-03-17 2001-09-26 Fujitsu General Ltd プロジェクタ装置
JP4043723B2 (ja) * 2001-02-09 2008-02-06 株式会社リコー 照明装置
JP2003066374A (ja) * 2001-08-23 2003-03-05 Fuji Photo Film Co Ltd 照明装置
TWI235263B (en) 2002-05-14 2005-07-01 Sony Corp Illuminating optical system, image display unit and method of illuminating space modulation element
JP3645890B2 (ja) 2002-06-07 2005-05-11 Ｎｅｃビューテクノロジー株式会社 プロジェクタ装置
JP4200772B2 (ja) * 2003-01-28 2008-12-24 セイコーエプソン株式会社 照明装置およびプロジェクタ
JP4143435B2 (ja) 2003-02-12 2008-09-03 キヤノン株式会社 照明光学系
JP4143444B2 (ja) * 2003-03-07 2008-09-03 キヤノン株式会社 照明光学系
JP2004309667A (ja) * 2003-04-03 2004-11-04 Sony Corp 照明装置及び画像表示装置
JP4817639B2 (ja) * 2004-10-14 2011-11-16 キヤノン株式会社 照明光学系及びそれを用いた画像表示装置
JP5002154B2 (ja) * 2005-12-27 2012-08-15 キヤノン株式会社 投射型画像表示装置
TWI292051B (en) * 2006-01-19 2008-01-01 Coretronic Corp Illumination system and projection apparatus
CN101460894B (zh) * 2006-06-02 2010-06-02 松下电器产业株式会社 照明光学装置和投射式显示装置
JP2008003125A (ja) * 2006-06-20 2008-01-10 Seiko Epson Corp 照明装置及びプロジェクタ

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