JP4575682B2 - 投射型映像表示装置及び偏光分離用構造体 - Google Patents

投射型映像表示装置及び偏光分離用構造体 Download PDF

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Publication number
JP4575682B2
JP4575682B2 JP2004059569A JP2004059569A JP4575682B2 JP 4575682 B2 JP4575682 B2 JP 4575682B2 JP 2004059569 A JP2004059569 A JP 2004059569A JP 2004059569 A JP2004059569 A JP 2004059569A JP 4575682 B2 JP4575682 B2 JP 4575682B2
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Japan
Prior art keywords
light
polarization separation
polarization
wire grid
projection
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Expired - Fee Related
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JP2004059569A
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Japanese (ja)
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JP2005250057A (ja
JP2005250057A5 (enExample
Inventor
努 中島
雅彦 谷津
浩二 平田
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2004059569A priority Critical patent/JP4575682B2/ja
Priority to CNB2004100889873A priority patent/CN100337143C/zh
Priority to US11/061,055 priority patent/US7255444B2/en
Publication of JP2005250057A publication Critical patent/JP2005250057A/ja
Publication of JP2005250057A5 publication Critical patent/JP2005250057A5/ja
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  • Projection Apparatus (AREA)
  • Polarising Elements (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
JP2004059569A 2004-03-03 2004-03-03 投射型映像表示装置及び偏光分離用構造体 Expired - Fee Related JP4575682B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004059569A JP4575682B2 (ja) 2004-03-03 2004-03-03 投射型映像表示装置及び偏光分離用構造体
CNB2004100889873A CN100337143C (zh) 2004-03-03 2004-11-23 光学单元以及使用该光学单元的投影型图像显示装置
US11/061,055 US7255444B2 (en) 2004-03-03 2005-02-18 Optical unit and projection-type image display apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004059569A JP4575682B2 (ja) 2004-03-03 2004-03-03 投射型映像表示装置及び偏光分離用構造体

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JP2005250057A JP2005250057A (ja) 2005-09-15
JP2005250057A5 JP2005250057A5 (enExample) 2007-03-22
JP4575682B2 true JP4575682B2 (ja) 2010-11-04

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100838066B1 (ko) * 2006-07-14 2008-06-16 삼성에스디아이 주식회사 유기 발광 장치
JP2012189930A (ja) 2011-03-14 2012-10-04 Seiko Epson Corp プロジェクター
CN114077143B (zh) * 2021-10-29 2024-04-30 歌尔光学科技有限公司 投影装置、投影装置的控制方法及投影系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0527701U (ja) * 1991-09-13 1993-04-09 パイオニア株式会社 投射型表示装置
JPH05323118A (ja) * 1992-05-20 1993-12-07 Matsushita Electric Ind Co Ltd 偏光装置および該偏光装置を用いた投写型表示装置
JP3170041B2 (ja) * 1992-05-22 2001-05-28 パイオニア株式会社 投射型表示装置
JPH06317771A (ja) * 1993-05-07 1994-11-15 Victor Co Of Japan Ltd 表示装置
JPH0868966A (ja) * 1994-08-30 1996-03-12 Victor Co Of Japan Ltd 偏光ビームスプリッタを用いた表示装置
JP3941167B2 (ja) * 1997-03-24 2007-07-04 ソニー株式会社 映像表示装置及び映像表示方法
JP3973749B2 (ja) * 1998-01-16 2007-09-12 シャープ株式会社 投射型画像表示装置
JPH11202132A (ja) * 1998-01-20 1999-07-30 Fujitsu General Ltd 偏光プリズム及び反射型光変調プロジェクタ
US6447120B2 (en) * 1999-07-28 2002-09-10 Moxtex Image projection system with a polarizing beam splitter
EP1130451B1 (en) * 1999-08-13 2006-10-11 Seiko Epson Corporation Polarized light illuminator and projection display
JP3950649B2 (ja) * 2001-06-04 2007-08-01 株式会社日立製作所 映像表示装置
JP4082160B2 (ja) * 2001-10-01 2008-04-30 ソニー株式会社 プリズム及び投影装置
JP2005250054A (ja) * 2004-03-03 2005-09-15 Hitachi Ltd 投射型映像表示装置及びそれに用いる光学ユニット

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JP2005250057A (ja) 2005-09-15

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