JP2005189635A - 投射型映像表示装置及びそれに用いる光学ユニット - Google Patents

投射型映像表示装置及びそれに用いる光学ユニット Download PDF

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Publication number
JP2005189635A
JP2005189635A JP2003432678A JP2003432678A JP2005189635A JP 2005189635 A JP2005189635 A JP 2005189635A JP 2003432678 A JP2003432678 A JP 2003432678A JP 2003432678 A JP2003432678 A JP 2003432678A JP 2005189635 A JP2005189635 A JP 2005189635A
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JP
Japan
Prior art keywords
light
astigmatism
polarized light
color
projection
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
JP2003432678A
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English (en)
Japanese (ja)
Other versions
JP2005189635A5 (enExample
Inventor
Masahiko Tanitsu
雅彦 谷津
Tsutomu Nakajima
努 中島
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2003432678A priority Critical patent/JP2005189635A/ja
Priority to US10/916,991 priority patent/US7222965B2/en
Priority to CNB2004100570730A priority patent/CN100337142C/zh
Publication of JP2005189635A publication Critical patent/JP2005189635A/ja
Publication of JP2005189635A5 publication Critical patent/JP2005189635A5/ja
Pending legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
JP2003432678A 2003-12-26 2003-12-26 投射型映像表示装置及びそれに用いる光学ユニット Pending JP2005189635A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003432678A JP2005189635A (ja) 2003-12-26 2003-12-26 投射型映像表示装置及びそれに用いる光学ユニット
US10/916,991 US7222965B2 (en) 2003-12-26 2004-08-11 Optical unit and a projection image display apparatus using the same
CNB2004100570730A CN100337142C (zh) 2003-12-26 2004-08-30 光学单元以及使用该光学单元的投影型图像显示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003432678A JP2005189635A (ja) 2003-12-26 2003-12-26 投射型映像表示装置及びそれに用いる光学ユニット

Publications (2)

Publication Number Publication Date
JP2005189635A true JP2005189635A (ja) 2005-07-14
JP2005189635A5 JP2005189635A5 (enExample) 2006-02-02

Family

ID=34697695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003432678A Pending JP2005189635A (ja) 2003-12-26 2003-12-26 投射型映像表示装置及びそれに用いる光学ユニット

Country Status (3)

Country Link
US (1) US7222965B2 (enExample)
JP (1) JP2005189635A (enExample)
CN (1) CN100337142C (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008139389A (ja) * 2006-11-30 2008-06-19 Victor Co Of Japan Ltd 投射型表示装置
JP2012181487A (ja) * 2011-03-03 2012-09-20 Jvc Kenwood Corp 投影表示装置
US8864319B2 (en) 2011-08-04 2014-10-21 Canon Kabushiki Kaisha Imaging optical system, lens unit, and image projection apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006337791A (ja) * 2005-06-03 2006-12-14 Hitachi Ltd 投射型映像表示装置、それに用いる光学ユニット及び偏光分離用部材
TWI357986B (en) * 2007-10-05 2012-02-11 Hon Hai Prec Ind Co Ltd Optical system for stereo projection
JP2010072977A (ja) * 2008-09-19 2010-04-02 Sony Corp 画像表示装置および位置検出方法
JP5397239B2 (ja) * 2010-01-21 2014-01-22 ソニー株式会社 プロジェクタ
JP2013054142A (ja) * 2011-09-02 2013-03-21 Sony Corp 偏光光学装置、光学装置、および投影装置
JP2017187736A (ja) * 2016-03-30 2017-10-12 パナソニックＩｐマネジメント株式会社 投写光学系および画像投写装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05313119A (ja) 1992-05-15 1993-11-26 Fuji Photo Optical Co Ltd 液晶式ビデオプロジェクター
CN1089447C (zh) * 1994-05-06 2002-08-21 皇家菲利浦电子有限公司 光束合成装置和装有该装置的彩色图象投影设备
JPH09114021A (ja) 1995-10-24 1997-05-02 Sanyo Electric Co Ltd 液晶表示装置
JPH1055037A (ja) 1996-08-12 1998-02-24 Nikon Corp 投射型表示装置
JP2000111862A (ja) 1998-10-01 2000-04-21 Sony Corp 投射型表示装置
KR100584534B1 (ko) * 1999-04-26 2006-05-30 삼성전자주식회사 반사형 프로젝트장치
JP2001056449A (ja) 1999-08-20 2001-02-27 Fujitsu General Ltd 液晶プロジェクタ装置
US6585378B2 (en) * 2001-03-20 2003-07-01 Eastman Kodak Company Digital cinema projector
DE60215025T2 (de) * 2001-08-06 2007-05-03 Jds Uniphase Corp., San Jose Farbverwaltungssystem

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008139389A (ja) * 2006-11-30 2008-06-19 Victor Co Of Japan Ltd 投射型表示装置
JP2012181487A (ja) * 2011-03-03 2012-09-20 Jvc Kenwood Corp 投影表示装置
US8864319B2 (en) 2011-08-04 2014-10-21 Canon Kabushiki Kaisha Imaging optical system, lens unit, and image projection apparatus

Also Published As

Publication number Publication date
CN1637461A (zh) 2005-07-13
US7222965B2 (en) 2007-05-29
US20050140931A1 (en) 2005-06-30
CN100337142C (zh) 2007-09-12

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