JP2012189930A5 - - Google Patents

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Publication number
JP2012189930A5
JP2012189930A5 JP2011055172A JP2011055172A JP2012189930A5 JP 2012189930 A5 JP2012189930 A5 JP 2012189930A5 JP 2011055172 A JP2011055172 A JP 2011055172A JP 2011055172 A JP2011055172 A JP 2011055172A JP 2012189930 A5 JP2012189930 A5 JP 2012189930A5
Authority
JP
Japan
Prior art keywords
light
liquid crystal
crystal panel
wire grid
optical system
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.)
Withdrawn
Application number
JP2011055172A
Other languages
English (en)
Japanese (ja)
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JP2012189930A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2011055172A priority Critical patent/JP2012189930A/ja
Priority claimed from JP2011055172A external-priority patent/JP2012189930A/ja
Priority to US13/416,811 priority patent/US8643793B2/en
Publication of JP2012189930A publication Critical patent/JP2012189930A/ja
Publication of JP2012189930A5 publication Critical patent/JP2012189930A5/ja
Withdrawn legal-status Critical Current

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JP2011055172A 2011-03-14 2011-03-14 プロジェクター Withdrawn JP2012189930A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011055172A JP2012189930A (ja) 2011-03-14 2011-03-14 プロジェクター
US13/416,811 US8643793B2 (en) 2011-03-14 2012-03-09 Projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011055172A JP2012189930A (ja) 2011-03-14 2011-03-14 プロジェクター

Publications (2)

Publication Number Publication Date
JP2012189930A JP2012189930A (ja) 2012-10-04
JP2012189930A5 true JP2012189930A5 (enExample) 2014-03-20

Family

ID=46828167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011055172A Withdrawn JP2012189930A (ja) 2011-03-14 2011-03-14 プロジェクター

Country Status (2)

Country Link
US (1) US8643793B2 (enExample)
JP (1) JP2012189930A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2016125220A1 (ja) * 2015-02-05 2017-11-09 ソニー株式会社 プロジェクタ及び光学ユニット
US11871159B2 (en) 2018-11-02 2024-01-09 Sony Corporation Display unit for reducing degradation of optical components
CN111624802B (zh) * 2019-02-28 2023-06-02 精工爱普生株式会社 光调制装置、光学模块和投影仪
JP7491117B2 (ja) * 2020-07-23 2024-05-28 セイコーエプソン株式会社 液晶装置および電子機器

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61141402A (ja) * 1984-12-14 1986-06-28 Fujitsu Ltd 偏光分離膜
JP3344058B2 (ja) * 1994-02-25 2002-11-11 株式会社島津製作所 パイルオブプレーツ型グリッド偏光子
JP2000111839A (ja) 1998-10-01 2000-04-21 Nikon Corp 偏光装置および投射装置
US6447120B2 (en) 1999-07-28 2002-09-10 Moxtex Image projection system with a polarizing beam splitter
US6234634B1 (en) 1999-07-28 2001-05-22 Moxtek Image projection system with a polarizing beam splitter
NZ516956A (en) 1999-07-28 2004-11-26 Custom Speech Usa Inc System and method for improving the accuracy of a speech recognition program
JP2003057744A (ja) 2001-08-14 2003-02-26 Nikon Corp 投射型表示装置
JP4051665B2 (ja) 2002-02-14 2008-02-27 日本ビクター株式会社 投射表示装置
JP2003241194A (ja) 2002-02-18 2003-08-27 Minolta Co Ltd 液晶プロジェクター
US7131737B2 (en) 2002-06-05 2006-11-07 Moxtek, Inc. Housing for mounting a beamsplitter and a spatial light modulator with an output optical path
US6805445B2 (en) 2002-06-05 2004-10-19 Eastman Kodak Company Projection display using a wire grid polarization beamsplitter with compensator
JP4575682B2 (ja) 2004-03-03 2010-11-04 株式会社日立製作所 投射型映像表示装置及び偏光分離用構造体
CN100337143C (zh) 2004-03-03 2007-09-12 株式会社日立制作所 光学单元以及使用该光学单元的投影型图像显示装置
JP2006003384A (ja) * 2004-06-15 2006-01-05 Sony Corp 偏光ビームスプリッタ、及び液晶プロジェクタ装置
JP4622695B2 (ja) * 2004-08-27 2011-02-02 日本ビクター株式会社 投射型表示装置
JP2006126458A (ja) 2004-10-28 2006-05-18 Hitachi Ltd 光学ユニット及びそれを用いた投写型映像表示装置
WO2007021981A2 (en) 2005-08-12 2007-02-22 Colorlink, Inc. Contrast enhancement for liquid crystal based projection systems
JP2008275909A (ja) 2007-04-27 2008-11-13 Victor Co Of Japan Ltd 投射型表示装置
JP2009047819A (ja) * 2007-08-17 2009-03-05 Sony Corp 偏光ビームスプリッタ、投写型光学装置、投写型表示装置

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