JP3663928B2 - 光源ランプユニットおよび投写型表示装置 - Google Patents

光源ランプユニットおよび投写型表示装置 Download PDF

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Publication number
JP3663928B2
JP3663928B2 JP22718398A JP22718398A JP3663928B2 JP 3663928 B2 JP3663928 B2 JP 3663928B2 JP 22718398 A JP22718398 A JP 22718398A JP 22718398 A JP22718398 A JP 22718398A JP 3663928 B2 JP3663928 B2 JP 3663928B2
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JP
Japan
Prior art keywords
light source
source lamp
reflector
light
lamp
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 - Lifetime
Application number
JP22718398A
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English (en)
Japanese (ja)
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JPH11311835A (ja
JPH11311835A5 (https=
Inventor
猛 滝澤
慎二 幅
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
Original Assignee
Seiko Epson Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26386153&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP3663928(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP22718398A priority Critical patent/JP3663928B2/ja
Priority to US09/257,526 priority patent/US6527392B1/en
Publication of JPH11311835A publication Critical patent/JPH11311835A/ja
Publication of JPH11311835A5 publication Critical patent/JPH11311835A5/ja
Application granted granted Critical
Publication of JP3663928B2 publication Critical patent/JP3663928B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/26—Projecting separately subsidiary matter simultaneously with main image

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP22718398A 1998-02-26 1998-08-11 光源ランプユニットおよび投写型表示装置 Expired - Lifetime JP3663928B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP22718398A JP3663928B2 (ja) 1998-02-26 1998-08-11 光源ランプユニットおよび投写型表示装置
US09/257,526 US6527392B1 (en) 1998-02-26 1999-02-25 Light source apparatus, light source lamp unit and projector

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10-46041 1998-02-26
JP4604198 1998-02-26
JP22718398A JP3663928B2 (ja) 1998-02-26 1998-08-11 光源ランプユニットおよび投写型表示装置

Publications (3)

Publication Number Publication Date
JPH11311835A JPH11311835A (ja) 1999-11-09
JPH11311835A5 JPH11311835A5 (https=) 2005-03-17
JP3663928B2 true JP3663928B2 (ja) 2005-06-22

Family

ID=26386153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22718398A Expired - Lifetime JP3663928B2 (ja) 1998-02-26 1998-08-11 光源ランプユニットおよび投写型表示装置

Country Status (2)

Country Link
US (1) US6527392B1 (https=)
JP (1) JP3663928B2 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003043580A (ja) * 2001-07-30 2003-02-13 Mitsubishi Electric Corp ランプ、偏光変換光学系および画像表示装置
JP2003215702A (ja) * 2002-01-23 2003-07-30 Seiko Epson Corp プロジェクタ
JP4584606B2 (ja) * 2004-03-16 2010-11-24 株式会社Ｓｕｗａオプトロニクス 光源装置およびプロジェクタ装置
TW200830028A (en) * 2007-01-11 2008-07-16 Coretronic Corp Double light module
TW200909986A (en) * 2007-08-31 2009-03-01 Coretronic Corp Lamp holder and fabrications thereof
JP4609505B2 (ja) * 2008-03-05 2011-01-12 セイコーエプソン株式会社 光源装置、及びプロジェクタ
JP5621317B2 (ja) * 2010-05-17 2014-11-12 セイコーエプソン株式会社 プロジェクター
JP2012083624A (ja) * 2010-10-13 2012-04-26 Sanyo Electric Co Ltd ランプ保持用金具、ランプユニット、及び投写型映像表示装置
JP2012128254A (ja) * 2010-12-16 2012-07-05 Sanyo Electric Co Ltd 投写型表示装置
US20130077062A1 (en) * 2011-06-21 2013-03-28 Kenneth K. Li Projector system having interchangeable light source modules

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761170A (en) * 1971-02-19 1973-09-25 Eastman Kodak Co Projection lamp mounting apparatus
US4129365A (en) * 1977-05-13 1978-12-12 Sperry Rand Corporation Wide angle anamorphic display projection system
US5146248A (en) * 1987-12-23 1992-09-08 North American Philips Corporation Light valve projection system with improved illumination
GB2284704B (en) * 1993-12-10 1998-07-08 Gen Electric Patterned optical interference coatings for electric lamps
US5772166A (en) * 1994-04-13 1998-06-30 Adams Mfg. Corp. Mounting clip
US5467207A (en) * 1994-07-06 1995-11-14 Prolux Corporation LCD projection system which aligns the larger beam spread angle of the light source with the larger acceptance angle of the light valve and a nonimaging reflector for an illumination system
JP3624456B2 (ja) * 1995-03-30 2005-03-02 セイコーエプソン株式会社 投写型表示装置
EP0895647B1 (en) * 1996-09-11 2002-03-13 Koninklijke Philips Electronics N.V. Illumination device
US5975703A (en) * 1996-09-30 1999-11-02 Digital Optics International Image projection system

Also Published As

Publication number Publication date
JPH11311835A (ja) 1999-11-09
US6527392B1 (en) 2003-03-04

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