JP5767433B2 - 投射型画像表示装置 - Google Patents

投射型画像表示装置 Download PDF

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Publication number
JP5767433B2
JP5767433B2 JP2009178899A JP2009178899A JP5767433B2 JP 5767433 B2 JP5767433 B2 JP 5767433B2 JP 2009178899 A JP2009178899 A JP 2009178899A JP 2009178899 A JP2009178899 A JP 2009178899A JP 5767433 B2 JP5767433 B2 JP 5767433B2
Authority
JP
Japan
Prior art keywords
image display
retardation plate
axis
light
phase difference
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.)
Expired - Fee Related
Application number
JP2009178899A
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English (en)
Japanese (ja)
Other versions
JP2011033762A5 (enExample
JP2011033762A (ja
Inventor
山口　裕
裕 山口
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2009178899A priority Critical patent/JP5767433B2/ja
Priority to US12/844,232 priority patent/US8149360B2/en
Publication of JP2011033762A publication Critical patent/JP2011033762A/ja
Publication of JP2011033762A5 publication Critical patent/JP2011033762A5/ja
Application granted granted Critical
Publication of JP5767433B2 publication Critical patent/JP5767433B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Polarising Elements (AREA)
JP2009178899A 2009-07-31 2009-07-31 投射型画像表示装置 Expired - Fee Related JP5767433B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009178899A JP5767433B2 (ja) 2009-07-31 2009-07-31 投射型画像表示装置
US12/844,232 US8149360B2 (en) 2009-07-31 2010-07-27 Projection image display apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009178899A JP5767433B2 (ja) 2009-07-31 2009-07-31 投射型画像表示装置

Publications (3)

Publication Number Publication Date
JP2011033762A JP2011033762A (ja) 2011-02-17
JP2011033762A5 JP2011033762A5 (enExample) 2012-09-06
JP5767433B2 true JP5767433B2 (ja) 2015-08-19

Family

ID=43526691

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009178899A Expired - Fee Related JP5767433B2 (ja) 2009-07-31 2009-07-31 投射型画像表示装置

Country Status (2)

Country Link
US (1) US8149360B2 (enExample)
JP (1) JP5767433B2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5703774B2 (ja) * 2011-01-21 2015-04-22 セイコーエプソン株式会社 プロジェクター
JP5793038B2 (ja) * 2011-09-13 2015-10-14 キヤノン株式会社 投射型画像表示装置
JP6083997B2 (ja) 2012-10-01 2017-02-22 キヤノン株式会社 投射型表示装置
JP6512919B2 (ja) 2014-04-30 2019-05-15 キヤノン株式会社 画像表示装置
DE102014226357A1 (de) * 2014-12-18 2016-06-23 Robert Bosch Gmbh Ladestation und Verfahren zum automatischen Laden eines elektrischen Energiespeichers in einem Fahrzeug
JP6679366B2 (ja) * 2016-03-25 2020-04-15 キヤノン株式会社 光学装置および撮像装置
JPWO2020012751A1 (ja) * 2018-07-11 2021-08-02 パナソニックＩｐマネジメント株式会社 光源装置、および投写型表示装置
JP7322691B2 (ja) * 2019-12-16 2023-08-08 セイコーエプソン株式会社 光源装置およびプロジェクター
US11740464B2 (en) * 2020-02-06 2023-08-29 Valve Corporation Polarization-multiplexed optics for head-mounted display systems
US11747640B2 (en) 2020-09-30 2023-09-05 Shanghai UROptics Co. Ltd. Optical module, near-eye display device and light projection method
CN217279117U (zh) * 2020-09-30 2022-08-23 上海悠睿光学有限公司 光学模组和近眼显示装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0738050B2 (ja) 1989-03-23 1995-04-26 松下電器産業株式会社 偏光ビームスプリッタ装置とその装置を用いたライトバルブ光学装置
US5327270A (en) * 1989-03-23 1994-07-05 Matsushita Electric Industrial Co., Ltd. Polarizing beam splitter apparatus and light valve image projection system
JPH1164852A (ja) * 1997-08-21 1999-03-05 Hitachi Ltd 投射型液晶表示装置
JP2006039135A (ja) * 2004-07-26 2006-02-09 Sony Corp 光学装置及び投影型画像表示装置
US7518662B2 (en) * 2005-05-22 2009-04-14 Real D Contrast enhancement for liquid crystal based projection systems
JP4798366B2 (ja) * 2005-08-04 2011-10-19 日本ビクター株式会社 反射型液晶表示素子及び投射型表示装置
JP4466693B2 (ja) * 2006-10-27 2010-05-26 セイコーエプソン株式会社 プロジェクタとその光学補償方法、及び液晶装置
CN101918880B (zh) * 2008-01-22 2014-03-26 阿尔卡特朗讯美国公司 用于光学图像投影的光调制器

Also Published As

Publication number Publication date
JP2011033762A (ja) 2011-02-17
US20110025965A1 (en) 2011-02-03
US8149360B2 (en) 2012-04-03

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