JP4716823B2 - 光学素子及び照明装置及び投写型映像表示装置 - Google Patents

光学素子及び照明装置及び投写型映像表示装置 Download PDF

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Publication number
JP4716823B2
JP4716823B2 JP2005252697A JP2005252697A JP4716823B2 JP 4716823 B2 JP4716823 B2 JP 4716823B2 JP 2005252697 A JP2005252697 A JP 2005252697A JP 2005252697 A JP2005252697 A JP 2005252697A JP 4716823 B2 JP4716823 B2 JP 4716823B2
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Prior art keywords
light
color
optical element
polarization
polarized
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JP2005252697A
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Japanese (ja)
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JP2007065407A5 (enrdf_load_stackoverflow
JP2007065407A (ja
Inventor
貴司 池田
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Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
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Priority to JP2005252697A priority Critical patent/JP4716823B2/ja
Priority to US11/511,218 priority patent/US8267521B2/en
Priority to CN2006101288187A priority patent/CN1928626B/zh
Publication of JP2007065407A publication Critical patent/JP2007065407A/ja
Publication of JP2007065407A5 publication Critical patent/JP2007065407A5/ja
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Publication of JP4716823B2 publication Critical patent/JP4716823B2/ja
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  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Polarising Elements (AREA)
JP2005252697A 2005-08-31 2005-08-31 光学素子及び照明装置及び投写型映像表示装置 Expired - Fee Related JP4716823B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005252697A JP4716823B2 (ja) 2005-08-31 2005-08-31 光学素子及び照明装置及び投写型映像表示装置
US11/511,218 US8267521B2 (en) 2005-08-31 2006-08-29 Optical element, illuminating device, and projection type video display
CN2006101288187A CN1928626B (zh) 2005-08-31 2006-08-30 光学元件、照明装置及投影型图像显示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005252697A JP4716823B2 (ja) 2005-08-31 2005-08-31 光学素子及び照明装置及び投写型映像表示装置

Publications (3)

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JP2007065407A JP2007065407A (ja) 2007-03-15
JP2007065407A5 JP2007065407A5 (enrdf_load_stackoverflow) 2008-02-07
JP4716823B2 true JP4716823B2 (ja) 2011-07-06

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JP2005252697A Expired - Fee Related JP4716823B2 (ja) 2005-08-31 2005-08-31 光学素子及び照明装置及び投写型映像表示装置

Country Status (2)

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JP (1) JP4716823B2 (enrdf_load_stackoverflow)
CN (1) CN1928626B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102640048B (zh) * 2009-09-28 2015-02-18 日本电气株式会社 照明装置及使用该照明装置的投影显示装置
US11947130B2 (en) * 2018-11-08 2024-04-02 Lumus Ltd. Optical devices and systems with dichroic beamsplitter color combiner

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3740830B2 (ja) * 1998-03-24 2006-02-01 コニカミノルタオプト株式会社 投影表示装置
US6113239A (en) * 1998-09-04 2000-09-05 Sharp Laboratories Of America, Inc. Projection display system for reflective light valves
CH695171A5 (de) * 1999-02-04 2005-12-30 Balzers Hochvakuum Lichtteiler und optische Uebertrageranordnung mit einem Lichtteiler.
US6995917B1 (en) * 1999-04-08 2006-02-07 Sharp Laboratories Of America, Inc. Projection display system using polarized light
JP2001350132A (ja) * 2000-06-08 2001-12-21 Sanyo Electric Co Ltd 液晶プロジェクタ
JP3609715B2 (ja) * 2000-11-27 2005-01-12 三洋電機株式会社 色分離合成素子及びそれを用いた液晶プロジェクタ
CN1187636C (zh) * 2001-08-10 2005-02-02 浙江大学 用反射式液晶板作图像源的液晶投影机偏振分合色系统
JP2004117388A (ja) * 2002-09-20 2004-04-15 Ricoh Co Ltd 映像投射装置

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Publication number Publication date
JP2007065407A (ja) 2007-03-15
CN1928626A (zh) 2007-03-14
CN1928626B (zh) 2011-02-09

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