JPH10171362A - 液晶プロジェクタ - Google Patents

液晶プロジェクタ

Info

Publication number
JPH10171362A
JPH10171362A JP8326481A JP32648196A JPH10171362A JP H10171362 A JPH10171362 A JP H10171362A JP 8326481 A JP8326481 A JP 8326481A JP 32648196 A JP32648196 A JP 32648196A JP H10171362 A JPH10171362 A JP H10171362A
Authority
JP
Japan
Prior art keywords
light
light source
liquid crystal
crystal display
emitted
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.)
Pending
Application number
JP8326481A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10171362A5 (https=
Inventor
Hisao Inage
久夫 稲毛
Munenori Ikeda
宗徳 池田
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
Priority to JP8326481A priority Critical patent/JPH10171362A/ja
Priority to EP97121254A priority patent/EP0846973B1/en
Priority to US08/984,395 priority patent/US6004010A/en
Priority to DE69735875T priority patent/DE69735875T2/de
Publication of JPH10171362A publication Critical patent/JPH10171362A/ja
Publication of JPH10171362A5 publication Critical patent/JPH10171362A5/ja
Pending 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • 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
    • 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)
JP8326481A 1996-12-06 1996-12-06 液晶プロジェクタ Pending JPH10171362A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8326481A JPH10171362A (ja) 1996-12-06 1996-12-06 液晶プロジェクタ
EP97121254A EP0846973B1 (en) 1996-12-06 1997-12-03 Light source device of liquid crystal projector
US08/984,395 US6004010A (en) 1996-12-06 1997-12-03 Light source device of liquid crystal projector
DE69735875T DE69735875T2 (de) 1996-12-06 1997-12-03 Lichtquelle für Flüssigkristall-Projektor

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPH10171362A true JPH10171362A (ja) 1998-06-26
JPH10171362A5 JPH10171362A5 (https=) 2004-10-21

Family

ID=18188305

Family Applications (1)

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

Country Status (4)

Country Link
US (1) US6004010A (https=)
EP (1) EP0846973B1 (https=)
JP (1) JPH10171362A (https=)
DE (1) DE69735875T2 (https=)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002214710A (ja) * 2001-01-12 2002-07-31 Sony Corp プロジェクター
JP2002258407A (ja) * 2001-02-14 2002-09-11 Acer Communications & Multimedia Inc 熱拡散効率の高い発光装置
US6558003B2 (en) 2000-12-28 2003-05-06 Kabushiki Kaisha Toshiba Attachable/detachable silencer and projection type projector apparatus with the same
KR100443616B1 (ko) * 2002-03-07 2004-08-09 엘지전자 주식회사 엘씨디 프로젝터의 램프냉각장치
JP2005531793A (ja) * 2002-01-14 2005-10-20 インフォーカス コーポレイション ランプハウジングのための方法および装置
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
JP2008152200A (ja) * 2006-12-20 2008-07-03 Mitsubishi Electric Corp 光源装置

Families Citing this family (29)

* 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
NO312144B1 (no) * 2000-10-11 2002-03-25 Baard Eker Ind Design As Anordning ved projektor
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
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
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’
WO2005095853A1 (en) * 2004-04-02 2005-10-13 Martin Professional A/S Light source module
TWI237154B (en) * 2004-08-04 2005-08-01 Prodisc Technology Inc Projector and lamp housing thereof
WO2006025019A1 (en) * 2004-09-02 2006-03-09 Koninklijke Philips Electronics N.V. Lamp assembly comprising a high- pressure gas discharge lamp
WO2007010450A1 (en) * 2005-07-20 2007-01-25 Philips Intellectual Property & Standards Gmbh Illumination unit
US7731368B2 (en) * 2006-09-15 2010-06-08 Christie Digital Systems Usa, Inc. Lamp cooling arrangement for cinema projectors
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
US9839206B2 (en) 2011-06-22 2017-12-12 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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6558003B2 (en) 2000-12-28 2003-05-06 Kabushiki Kaisha Toshiba Attachable/detachable silencer and projection type projector apparatus with the same
JP2002214710A (ja) * 2001-01-12 2002-07-31 Sony Corp プロジェクター
JP2002258407A (ja) * 2001-02-14 2002-09-11 Acer Communications & Multimedia Inc 熱拡散効率の高い発光装置
JP2005531793A (ja) * 2002-01-14 2005-10-20 インフォーカス コーポレイション ランプハウジングのための方法および装置
KR100443616B1 (ko) * 2002-03-07 2004-08-09 엘지전자 주식회사 엘씨디 프로젝터의 램프냉각장치
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
JP2008152200A (ja) * 2006-12-20 2008-07-03 Mitsubishi Electric Corp 光源装置

Also Published As

Publication number Publication date
EP0846973B1 (en) 2006-05-17
DE69735875D1 (de) 2006-06-22
EP0846973A3 (en) 2004-01-07
EP0846973A2 (en) 1998-06-10
US6004010A (en) 1999-12-21
DE69735875T2 (de) 2006-11-02

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