DE69735875T2 - Lichtquelle für Flüssigkristall-Projektor - Google Patents

Lichtquelle für Flüssigkristall-Projektor Download PDF

Info

Publication number
DE69735875T2
DE69735875T2 DE69735875T DE69735875T DE69735875T2 DE 69735875 T2 DE69735875 T2 DE 69735875T2 DE 69735875 T DE69735875 T DE 69735875T DE 69735875 T DE69735875 T DE 69735875T DE 69735875 T2 DE69735875 T2 DE 69735875T2
Authority
DE
Germany
Prior art keywords
light source
light
lamp housing
opening
liquid crystal
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
DE69735875T
Other languages
German (de)
English (en)
Other versions
DE69735875D1 (de
Inventor
Hisao Inage
Munenori Ikeda
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.)
Hitachi Ltd
Hitachi Industry and Control Solutions Co Ltd
Original Assignee
Hitachi Ltd
Hitachi Video and Information System 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 Hitachi Ltd, Hitachi Video and Information System Inc filed Critical Hitachi Ltd
Publication of DE69735875D1 publication Critical patent/DE69735875D1/de
Application granted granted Critical
Publication of DE69735875T2 publication Critical patent/DE69735875T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • 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
    • G03B21/16—Cooling; Preventing overheating

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
DE69735875T 1996-12-06 1997-12-03 Lichtquelle für Flüssigkristall-Projektor Expired - Fee Related DE69735875T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32648196 1996-12-06
JP8326481A JPH10171362A (ja) 1996-12-06 1996-12-06 液晶プロジェクタ

Publications (2)

Publication Number Publication Date
DE69735875D1 DE69735875D1 (de) 2006-06-22
DE69735875T2 true DE69735875T2 (de) 2006-11-02

Family

ID=18188305

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69735875T Expired - Fee Related DE69735875T2 (de) 1996-12-06 1997-12-03 Lichtquelle für Flüssigkristall-Projektor

Country Status (4)

Country Link
US (1) US6004010A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0846973B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH10171362A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE69735875T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19814300B4 (de) * 1998-03-31 2008-09-25 Bernhard Weber Scheinwerfer oder Leuchte
US6161946A (en) * 1998-11-09 2000-12-19 Bishop; Christopher B. Light reflector
US6183115B1 (en) * 1999-05-11 2001-02-06 Ronald A. Durando Image projecting lampshade
NO20005115A (no) * 2000-10-11 2002-03-25 Baard Eker Ind Design As Anordning ved projektor
JP3488687B2 (ja) 2000-12-28 2004-01-19 株式会社東芝 着脱可能な消音装置及びこれを伴う投写型プロジェクタ装置
JP2002214710A (ja) * 2001-01-12 2002-07-31 Sony Corp プロジェクター
TW479152B (en) * 2001-02-14 2002-03-11 Acer Peripherals Inc High thermal diffusion efficiency light device
CN100510523C (zh) * 2001-02-26 2009-07-08 明基电通股份有限公司 灯具
TW568988B (en) * 2001-03-26 2004-01-01 Benq Corp Light device with cooling means
CN100432835C (zh) * 2001-04-11 2008-11-12 明基电通股份有限公司 具有散热效果的灯具及包括所述灯具的投影机
JP2002313119A (ja) * 2001-04-13 2002-10-25 Hitachi Ltd 投影装置用光源及びそれを用いた投写型画像ディスプレイ装置
US6863421B2 (en) * 2001-06-11 2005-03-08 Infocus Corporation Lamphouse
US6899444B1 (en) * 2002-01-14 2005-05-31 Infocus Corporation Method and apparatus for a lamp housing
DE20202558U1 (de) * 2002-02-19 2003-07-03 Zumtobel Staff GmbH & Co. KG, 32657 Lemgo Konvektionsreflektor
TW511721U (en) * 2002-02-20 2002-11-21 Coretronic Corp Light shielding structure of projector bulb
KR100443616B1 (ko) * 2002-03-07 2004-08-09 엘지전자 주식회사 엘씨디 프로젝터의 램프냉각장치
TW564964U (en) * 2002-04-17 2003-12-01 Coretronic Corp Heat dissipating device of projector housing
CN100428050C (zh) * 2002-08-29 2008-10-22 中强光电股份有限公司 投影机灯泡的遮光结构
US7018076B2 (en) * 2003-08-14 2006-03-28 Christie Digital Systems, Inc. High performance reflector cooling system for projectors
US7334898B2 (en) * 2003-10-10 2008-02-26 Seiko Epson Corporation Projector
CN100521861C (zh) * 2004-03-03 2009-07-29 友达光电股份有限公司 发光装置
USPP17087P3 (en) 2004-03-29 2006-09-12 Suntory Flowers Limited Petunia plant named ‘Suncopapin’
EP1747399B1 (en) 2004-04-02 2010-10-13 Martin Professional A/S Light source module
TWI237154B (en) * 2004-08-04 2005-08-01 Prodisc Technology Inc Projector and lamp housing thereof
JP2008511955A (ja) * 2004-09-02 2008-04-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 高圧ガス放電ランプを有するランプアセンブリ
JP2006337466A (ja) * 2005-05-31 2006-12-14 Matsushita Electric Ind Co Ltd 光源装置及び投射型表示装置
US20080225527A1 (en) * 2005-07-20 2008-09-18 Koninklijke Philips Electronics, N.V. Illumination Unit
US7731368B2 (en) * 2006-09-15 2010-06-08 Christie Digital Systems Usa, Inc. Lamp cooling arrangement for cinema projectors
JP2008152200A (ja) * 2006-12-20 2008-07-03 Mitsubishi Electric Corp 光源装置
US7959330B2 (en) * 2007-08-13 2011-06-14 Yasuki Hashimoto Power LED lighting assembly
KR100923140B1 (ko) * 2007-12-18 2009-10-23 에스엘 주식회사 Ｌｅｄ방열 장치
WO2012178035A2 (en) 2011-06-22 2012-12-27 Ecotech Marine, Llc Lighting unit and method of controlling
US8529099B2 (en) * 2011-08-25 2013-09-10 Tai-Her Yang Heat dissipating lamp device having electric turbine axial fan
US20150177602A1 (en) * 2012-09-14 2015-06-25 Yusuke Tani Light source apparatus and electronic equipment
CN105842968B (zh) * 2016-05-25 2017-12-01 苏州佳世达光电有限公司 一种投影装置
US10247191B2 (en) * 2016-12-28 2019-04-02 WLC Enterprises, Inc. Combined LED light and fan apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5959451A (ja) * 1982-09-30 1984-04-05 Toshiba Electric Equip Corp 光照射装置
JPH071374B2 (ja) * 1984-03-06 1995-01-11 株式会社ニコン 光源装置
US4885668A (en) * 1988-06-17 1989-12-05 Mag Instrument, Inc. Heat shield
US5034866A (en) * 1989-12-28 1991-07-23 Altman Stage Lighting Co., Inc. Multilamp strip light luminaire system
DE4008124A1 (de) * 1990-03-14 1991-09-19 Nafa Light Kurt Maurer Leuchte
JP2833147B2 (ja) * 1990-04-23 1998-12-09 三菱電機株式会社 投写型表示装置
JP3266156B2 (ja) * 1990-09-19 2002-03-18 株式会社ニコン 照明用光源装置および露光装置
JP2827951B2 (ja) * 1994-05-16 1998-11-25 松下電器産業株式会社 投写型表示装置

Also Published As

Publication number Publication date
EP0846973B1 (en) 2006-05-17
EP0846973A3 (en) 2004-01-07
DE69735875D1 (de) 2006-06-22
JPH10171362A (ja) 1998-06-26
US6004010A (en) 1999-12-21
EP0846973A2 (en) 1998-06-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee