JP2010048913A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2010048913A5 JP2010048913A5 JP2008211344A JP2008211344A JP2010048913A5 JP 2010048913 A5 JP2010048913 A5 JP 2010048913A5 JP 2008211344 A JP2008211344 A JP 2008211344A JP 2008211344 A JP2008211344 A JP 2008211344A JP 2010048913 A5 JP2010048913 A5 JP 2010048913A5
- Authority
- JP
- Japan
- Prior art keywords
- light
- display device
- projection display
- aperture
- lens array
- 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.)
- Granted
Links
Claims (7)
前記照明光学手段は、
前記光源からの放射光を集光する反射鏡と、
前記反射鏡の光軸と垂直な方向に沿って端辺を中心に回動する絞り羽により、前記光源からの光量を調整する絞り機構と、
を備え、
前記絞り羽は、曲げられた形状を有することを特徴とする投写型表示装置。 A light source, illumination optical means for condensing light from the light source and illuminating an illuminated area, a light valve that is illuminated with light from the illumination optical means to form an image, and an image on the light valve is screened A projection display device comprising a projection lens for projecting onto the projection display device,
The illumination optical means includes
A reflecting mirror for collecting the emitted light from the light source;
An aperture mechanism that adjusts the amount of light from the light source by aperture blades that rotate around an edge along a direction perpendicular to the optical axis of the reflecting mirror;
With
The projection type display device, wherein the diaphragm blade has a bent shape.
絞り機構が前記第1のレンズアレイ板と前記第2のレンズアレイ板間に配置されることを特徴とする請求項1乃至請求項6のいずれかに記載の投写型表示装置。 A first lens array plate composed of a plurality of lens elements, on which light from the reflecting mirror is incident, and a second lens array composed of a plurality of lens elements, on which light from the first lens array plate is incident With a board,
The projection display device according to claim 1, wherein an aperture mechanism is disposed between the first lens array plate and the second lens array plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008211344A JP5298698B2 (en) | 2008-08-20 | 2008-08-20 | Projection display |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008211344A JP5298698B2 (en) | 2008-08-20 | 2008-08-20 | Projection display |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010048913A JP2010048913A (en) | 2010-03-04 |
JP2010048913A5 true JP2010048913A5 (en) | 2011-09-29 |
JP5298698B2 JP5298698B2 (en) | 2013-09-25 |
Family
ID=42066067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008211344A Active JP5298698B2 (en) | 2008-08-20 | 2008-08-20 | Projection display |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5298698B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5509845B2 (en) * | 2009-10-27 | 2014-06-04 | セイコーエプソン株式会社 | projector |
JP5445231B2 (en) * | 2010-03-08 | 2014-03-19 | セイコーエプソン株式会社 | projector |
JP5682154B2 (en) * | 2010-06-22 | 2015-03-11 | セイコーエプソン株式会社 | Light control device and projector |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4158611B2 (en) * | 2002-09-06 | 2008-10-01 | 株式会社日立製作所 | Projection-type image display device |
JP4013979B2 (en) * | 2003-09-10 | 2007-11-28 | 松下電器産業株式会社 | Projection display |
JP4823574B2 (en) * | 2005-06-08 | 2011-11-24 | 日本電産コパル株式会社 | Projector aperture device |
JP2007133195A (en) * | 2005-11-11 | 2007-05-31 | Seiko Epson Corp | Projector and method for manufacturing projector |
JP2007199432A (en) * | 2006-01-27 | 2007-08-09 | Hitachi Ltd | Optical unit and projection display device using the same |
JP5100430B2 (en) * | 2007-06-05 | 2012-12-19 | 三菱電機株式会社 | Projection display |
JP4661954B2 (en) * | 2008-03-10 | 2011-03-30 | セイコーエプソン株式会社 | Light control device, lighting device, and projector |
-
2008
- 2008-08-20 JP JP2008211344A patent/JP5298698B2/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5606137B2 (en) | Optical unit | |
JP4274766B2 (en) | LIGHTING DEVICE AND IMAGE PROJECTION DEVICE USING THE LIGHTING DEVICE | |
JP2009151221A5 (en) | ||
JP4286271B2 (en) | Illumination device and image projection device | |
JP6342901B2 (en) | Luminous flux control member, light emitting device, and illumination device | |
JP2007328130A5 (en) | ||
TW200736543A (en) | Reflective illumination device | |
JP2003065805A5 (en) | ||
JP2006268878A5 (en) | ||
JP6663891B2 (en) | Backlight unit and head-up display device | |
JP2009099604A (en) | Light control member, luminous flux control member, light-emitting device, and lighting device | |
JP2009237433A5 (en) | ||
JP2008052008A5 (en) | ||
CA2620657A1 (en) | Image projector display device | |
KR20120007015U (en) | Polarizing beam splitter and projection apparatus | |
US8157385B2 (en) | Reflector, light source apparatus, and projector | |
JP2010048913A5 (en) | ||
JP2009217060A (en) | Projector device | |
JP2010014816A5 (en) | ||
JP2010091846A (en) | Projection display device | |
WO2020161846A1 (en) | Projection device | |
JP2010140745A (en) | Illuminating device and projection type image display device | |
JP2010033988A5 (en) | ||
JP2006251397A5 (en) | ||
JP5432401B2 (en) | Wire grid polarizer, polarizing beam splitter, and projection apparatus |