JP2004020603A5 - - Google Patents

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Publication number
JP2004020603A5
JP2004020603A5 JP2002171488A JP2002171488A JP2004020603A5 JP 2004020603 A5 JP2004020603 A5 JP 2004020603A5 JP 2002171488 A JP2002171488 A JP 2002171488A JP 2002171488 A JP2002171488 A JP 2002171488A JP 2004020603 A5 JP2004020603 A5 JP 2004020603A5
Authority
JP
Japan
Prior art keywords
light valve
light
prism
prism member
light shielding
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
JP2002171488A
Other languages
Japanese (ja)
Other versions
JP2004020603A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2002171488A priority Critical patent/JP2004020603A/en
Priority claimed from JP2002171488A external-priority patent/JP2004020603A/en
Publication of JP2004020603A publication Critical patent/JP2004020603A/en
Publication of JP2004020603A5 publication Critical patent/JP2004020603A5/ja
Pending legal-status Critical Current

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Claims (3)

反射型ライトバルブから射出された光をプリズム部材に入射させ、前記プリズム部材を経由した光を投射レンズで投射する投射型表示装置において、
前記反射型ライトバルブの入射面に配置され、開口部を有する遮光部材
前記遮光部材と前記反射型ライトバルブの入射面との間に配置され、前記遮光部材と前記反射型ライトバルブとに当接した防塵シートと、
前記プリズム部材の入射面と前記遮光部材との間に配置され、前記プリズム部材と前記反射型ライトバルブとの間空間を防塵する防塵カバーとを有すること
を特徴とする投射型表示装置。
The light emitted from the reflection type light valve to be incident on the prism member, the projection type display apparatus for projecting a projection lens the light through the prism member,
Is disposed on the entrance surface of the reflection type light valve, a light shielding member having an opening,
A dustproof sheet disposed between the light shielding member and the incident surface of the reflective light valve, and in contact with the light shielding member and the reflective light valve;
Wherein arranged between the incident surface of the prism member and said light blocking member, a projection display device characterized by having a dust cover for dustproof space between the reflection type light valve and the prism member.
前記反射型ライトバルブは冷却用基板の溝部に配置されており、
前記遮光部材が前記冷却用基板に取り付けられていることを特徴とする請求項1記載の投射型表示装置。
The reflective light valve is disposed in a groove portion of the cooling substrate,
The projection display device according to claim 1, wherein the light shielding member is attached to the cooling substrate.
前記遮光部材と前記冷却用基板とを前記反射型ライトバルブを保持するライトバルブホルダー部材に取り付け、
前記プリズム部材をプリズム部材固定板部材に取り付け、
前記ライトバルブホルダー部材を前記プリズム部材固定板部材に取り付けることによって、前記プリズム部材と前記ライトバルブとを一体化させたことを特徴とする請求項2記載の投射型表示装置。
The light shielding member and the cooling substrate are attached to a light valve holder member that holds the reflective light valve ,
The prism member is attached to a prism member fixing plate member,
3. The projection display device according to claim 2, wherein the prism member and the light valve are integrated by attaching the light valve holder member to the prism member fixing plate member.
JP2002171488A 2002-06-12 2002-06-12 Projection type display Pending JP2004020603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002171488A JP2004020603A (en) 2002-06-12 2002-06-12 Projection type display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002171488A JP2004020603A (en) 2002-06-12 2002-06-12 Projection type display

Publications (2)

Publication Number Publication Date
JP2004020603A JP2004020603A (en) 2004-01-22
JP2004020603A5 true JP2004020603A5 (en) 2005-10-13

Family

ID=31171338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002171488A Pending JP2004020603A (en) 2002-06-12 2002-06-12 Projection type display

Country Status (1)

Country Link
JP (1) JP2004020603A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006220836A (en) * 2005-02-09 2006-08-24 Sharp Corp Optical apparatus
JP2007047477A (en) * 2005-08-10 2007-02-22 Sony Corp Projector unit and projection tv apparatus
JP5038043B2 (en) * 2007-07-17 2012-10-03 キヤノン株式会社 Image projection device
JP5078650B2 (en) * 2008-02-12 2012-11-21 キヤノン株式会社 Image display device
JP5598006B2 (en) * 2010-02-03 2014-10-01 ソニー株式会社 Liquid crystal display device and projection display device
JP6351401B2 (en) 2014-06-27 2018-07-04 キヤノン株式会社 Projection display device and image display system
JP6604745B2 (en) 2015-05-15 2019-11-13 キヤノン株式会社 Light modulation element unit and image projection apparatus

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