JP4082027B2 - 照明装置およびこれを用いたプロジェクタ - Google Patents

照明装置およびこれを用いたプロジェクタ Download PDF

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Publication number
JP4082027B2
JP4082027B2 JP2001388548A JP2001388548A JP4082027B2 JP 4082027 B2 JP4082027 B2 JP 4082027B2 JP 2001388548 A JP2001388548 A JP 2001388548A JP 2001388548 A JP2001388548 A JP 2001388548A JP 4082027 B2 JP4082027 B2 JP 4082027B2
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Japan
Prior art keywords
light
scattering
illumination
light source
incident
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Expired - Fee Related
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JP2001388548A
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English (en)
Japanese (ja)
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JP2002303931A (ja
JP2002303931A5 (https=
Inventor
嘉高 伊藤
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.)
Seiko Epson Corp
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Seiko Epson Corp
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Priority to JP2001388548A priority Critical patent/JP4082027B2/ja
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Publication of JP2002303931A5 publication Critical patent/JP2002303931A5/ja
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Publication of JP4082027B2 publication Critical patent/JP4082027B2/ja
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  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2001388548A 2000-12-20 2001-12-20 照明装置およびこれを用いたプロジェクタ Expired - Fee Related JP4082027B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001388548A JP4082027B2 (ja) 2000-12-20 2001-12-20 照明装置およびこれを用いたプロジェクタ

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000-387326 2000-12-20
JP2000387326 2000-12-20
JP2001388548A JP4082027B2 (ja) 2000-12-20 2001-12-20 照明装置およびこれを用いたプロジェクタ

Publications (3)

Publication Number Publication Date
JP2002303931A JP2002303931A (ja) 2002-10-18
JP2002303931A5 JP2002303931A5 (https=) 2005-07-28
JP4082027B2 true JP4082027B2 (ja) 2008-04-30

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ID=26606194

Family Applications (1)

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JP2001388548A Expired - Fee Related JP4082027B2 (ja) 2000-12-20 2001-12-20 照明装置およびこれを用いたプロジェクタ

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JP (1) JP4082027B2 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100487333B1 (ko) * 2002-11-01 2005-05-03 엘지전자 주식회사 각도 분포형 렌즈를 이용한 조명계
JP3745345B2 (ja) * 2003-05-16 2006-02-15 三菱電機株式会社 映像表示装置及び映像表示方法
EP1531357B1 (en) 2003-06-13 2010-02-10 Sony Corporation Projection type display device
US7220006B2 (en) 2003-08-08 2007-05-22 Allen Eddie E Method and apparatus for increasing effective contrast ratio and brightness yields for digital light valve image projectors
JP4904741B2 (ja) 2005-08-09 2012-03-28 株式会社日立製作所 投射型映像表示装置および遮光方法
JP4492557B2 (ja) * 2006-02-17 2010-06-30 豊田合成株式会社 車両用ルームランプ
WO2009016562A1 (en) * 2007-08-01 2009-02-05 Koninklijke Philips Electronics N.V. Collimating module and device for zero overfill illumination applications with beam width control
JP5239614B2 (ja) * 2008-08-18 2013-07-17 セイコーエプソン株式会社 プロジェクタ
JP5380028B2 (ja) 2008-09-25 2014-01-08 日立コンシューマエレクトロニクス株式会社 投射型映像表示装置および投射方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH055952A (ja) * 1991-06-27 1993-01-14 Seiko Epson Corp 照明装置と投射型表示装置
JP3108773B2 (ja) * 1991-09-12 2000-11-13 セイコーエプソン株式会社 液晶表示素子及び液晶表示素子を備えた液晶プロジェクター
JP3029725B2 (ja) * 1992-01-30 2000-04-04 日本放送協会 撮影用照明装置
JPH05224155A (ja) * 1992-02-10 1993-09-03 Fujitsu Ltd 投写型液晶表示装置
JPH0750101A (ja) * 1993-08-05 1995-02-21 Mitsubishi Electric Corp 投光器
JPH07128663A (ja) * 1993-11-02 1995-05-19 Nec Corp 直視型液晶ディスプレイ
JPH11353907A (ja) * 1998-06-05 1999-12-24 Nippon Hoso Kyokai <Nhk> 照明装置
JP3642190B2 (ja) * 1998-07-08 2005-04-27 セイコーエプソン株式会社 偏光照明装置および投写型表示装置
JP2000338448A (ja) * 1999-05-31 2000-12-08 Minolta Co Ltd 投射型画像表示装置

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JP2002303931A (ja) 2002-10-18

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