JP2004020603A5 - - Google Patents
Download PDFInfo
- 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
Links
Claims (3)
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と、
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の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.
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)
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 |
-
2002
- 2002-06-12 JP JP2002171488A patent/JP2004020603A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2305273C2 (en) | Optical mechanism and image projector provided with optical mechanism | |
TWI235883B (en) | Electro-optical device encased in mounting case, projection display apparatus, mounting case, and its manufacturing method | |
JP2005062530A5 (en) | ||
ATE402563T1 (en) | CAMERA MODULE | |
EP1434081A3 (en) | Electro-optical device encased in mounting case, projection display apparatus, and mounting case | |
JP2003121937A5 (en) | ||
JP2004198933A5 (en) | ||
JP2004069966A5 (en) | ||
JPH0422958A (en) | Cooling constitution for exposing device | |
JP2004020603A5 (en) | ||
WO2016127588A1 (en) | Backlight module and display device | |
JP2004294894A5 (en) | ||
JP2004325574A5 (en) | ||
US6765632B2 (en) | Spread illuminating apparatus with protection cover | |
US11256164B2 (en) | Optical element and projection device using the same | |
JP2011154136A (en) | Projection display device | |
WO2016173014A1 (en) | Light guide plate, backlight module, and display apparatus | |
JP2004198935A5 (en) | ||
TWI547748B (en) | Electronic device with internal camera | |
JP2004325575A5 (en) | ||
JP2005249834A5 (en) | ||
TWI506351B (en) | Camera module | |
JP2015194659A (en) | Unit for display device and projection type display device | |
US6394611B1 (en) | Solid rod dust-proof structure for projecting apparatuses | |
JP2006086132A (en) | Lighting system and liquid crystal display |