JP3828289B2 - 光学装置 - Google Patents

光学装置 Download PDF

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Publication number
JP3828289B2
JP3828289B2 JP18936898A JP18936898A JP3828289B2 JP 3828289 B2 JP3828289 B2 JP 3828289B2 JP 18936898 A JP18936898 A JP 18936898A JP 18936898 A JP18936898 A JP 18936898A JP 3828289 B2 JP3828289 B2 JP 3828289B2
Authority
JP
Japan
Prior art keywords
valve means
light valve
light
air
flow path
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
JP18936898A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000019646A (ja
JP2000019646A5 (https=
Inventor
健二 布施
幹夫 白石
康男 大塚
信行 賀来
英博 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
Original Assignee
Hitachi Ltd
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 filed Critical Hitachi Ltd
Priority to JP18936898A priority Critical patent/JP3828289B2/ja
Publication of JP2000019646A publication Critical patent/JP2000019646A/ja
Publication of JP2000019646A5 publication Critical patent/JP2000019646A5/ja
Application granted granted Critical
Publication of JP3828289B2 publication Critical patent/JP3828289B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP18936898A 1998-07-03 1998-07-03 光学装置 Expired - Lifetime JP3828289B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18936898A JP3828289B2 (ja) 1998-07-03 1998-07-03 光学装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18936898A JP3828289B2 (ja) 1998-07-03 1998-07-03 光学装置

Publications (3)

Publication Number Publication Date
JP2000019646A JP2000019646A (ja) 2000-01-21
JP2000019646A5 JP2000019646A5 (https=) 2004-09-16
JP3828289B2 true JP3828289B2 (ja) 2006-10-04

Family

ID=16240158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18936898A Expired - Lifetime JP3828289B2 (ja) 1998-07-03 1998-07-03 光学装置

Country Status (1)

Country Link
JP (1) JP3828289B2 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001222066A (ja) * 2000-02-09 2001-08-17 Sony Corp プロジェクタ装置
JP3467697B2 (ja) 2001-05-16 2003-11-17 セイコーエプソン株式会社 電気光学装置の冷却装置およびプロジェクタ
US6837583B2 (en) 2001-06-21 2005-01-04 Sanyo Electric Co. Ltd. Projector device
US6497489B1 (en) * 2001-08-29 2002-12-24 Benq Corporation Projector with guiding rib in vent
JP2004094100A (ja) * 2002-09-03 2004-03-25 Mitsubishi Electric Corp 投写型表示装置
US7073912B2 (en) * 2003-02-13 2006-07-11 Seiko Epson Corporation Optical parts casing and projector
KR100549066B1 (ko) 2003-08-11 2006-02-06 삼성전자주식회사 프로젝터
KR100595556B1 (ko) 2004-05-19 2006-07-03 엘지전자 주식회사 엘씨디 프로젝션 텔레비전의 냉각장치
JP4997977B2 (ja) 2006-02-24 2012-08-15 セイコーエプソン株式会社 プロジェクタ
JP4974573B2 (ja) * 2006-04-20 2012-07-11 キヤノン株式会社 投射型表示装置
JP5471708B2 (ja) * 2010-03-29 2014-04-16 セイコーエプソン株式会社 プロジェクター

Also Published As

Publication number Publication date
JP2000019646A (ja) 2000-01-21

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