JP2010026262A5 - - Google Patents
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- Publication number
- JP2010026262A5 JP2010026262A5 JP2008187804A JP2008187804A JP2010026262A5 JP 2010026262 A5 JP2010026262 A5 JP 2010026262A5 JP 2008187804 A JP2008187804 A JP 2008187804A JP 2008187804 A JP2008187804 A JP 2008187804A JP 2010026262 A5 JP2010026262 A5 JP 2010026262A5
- Authority
- JP
- Japan
- Prior art keywords
- light
- light sources
- incident
- rod integrator
- illumination
- 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
- 238000005286 illumination Methods 0.000 claims 5
- 230000000051 modifying Effects 0.000 claims 4
- 230000003287 optical Effects 0.000 claims 3
Claims (2)
前記複数の光源間の中央部に配置され、前記複数の光源からの光を集光するロッドインテグレータと、
前記複数の光源ごとに配置され、前記光源からの光の入射面、前記ロッドインテグレータの入射面に対向する出射面、及び前記入射面および出射面に対して傾斜した反射面を有する複数の三角プリズムとを備え、
前記複数の三角プリズムは、前記複数の光源からの光をそれぞれ前記ロッドインテグレータの入射面に導くとともに、
前記凹面鏡によりそれぞれ集光される前記複数の光源からの光の焦点は、前記三角プリズムの入射面と反射面とを含む間に位置することを特徴とする照明光学装置。 A plurality of light sources each having a light emitter and a concave mirror that reflects and collects radiation emitted from the light emitter;
A rod integrator that is arranged in a central portion between the plurality of light sources and collects light from the plurality of light sources;
A plurality of triangular prisms arranged for each of the plurality of light sources, each having a light incident surface from the light source, an exit surface facing the entrance surface of the rod integrator, and a reflective surface inclined with respect to the entrance surface and the exit surface And
The plurality of triangular prisms guide light from the plurality of light sources to the incident surface of the rod integrator, respectively .
The illumination optical device, wherein the focal points of the light from the plurality of light sources respectively collected by the concave mirror are located between the incident surface and the reflection surface of the triangular prism.
前記ロッドインテグレータからの出射光を集光して照明光を形成する光学系と、
前記照明光が入射され映像信号に応じた入射光の変調を行う空間光変調素子と、
前記空間光変調素子で変調された光をスクリーン上に投写する投写レンズとを備えたことを特徴とする投写型表示装置。 An illumination optical system according to claim 1 Symbol placement,
An optical system for collecting illumination light from the rod integrator to form illumination light;
A spatial light modulator that modulates incident light according to a video signal when the illumination light is incident;
A projection display device, comprising: a projection lens that projects light modulated by the spatial light modulator on a screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008187804A JP5097042B2 (en) | 2008-07-18 | 2008-07-18 | Illumination optical device and projection display device using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008187804A JP5097042B2 (en) | 2008-07-18 | 2008-07-18 | Illumination optical device and projection display device using the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010026262A JP2010026262A (en) | 2010-02-04 |
| JP2010026262A5 true JP2010026262A5 (en) | 2011-08-04 |
| JP5097042B2 JP5097042B2 (en) | 2012-12-12 |
Family
ID=41732150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008187804A Active JP5097042B2 (en) | 2008-07-18 | 2008-07-18 | Illumination optical device and projection display device using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5097042B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011209697A (en) * | 2010-03-12 | 2011-10-20 | Panasonic Corp | Illumination optical device and projection type display device using the same |
| JP2015152639A (en) * | 2014-02-10 | 2015-08-24 | 日本電産サンキョー株式会社 | display device and light source device |
| JP6512435B2 (en) | 2015-04-10 | 2019-05-15 | パナソニックＩｐマネジメント株式会社 | projector |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3581568B2 (en) * | 1998-06-15 | 2004-10-27 | 松下電器産業株式会社 | Illumination device and projection display device using the same |
| JP3945068B2 (en) * | 1999-03-04 | 2007-07-18 | 三菱電機株式会社 | Projection display |
| JP3298576B2 (en) * | 2000-02-16 | 2002-07-02 | セイコーエプソン株式会社 | Illumination device and projection display device using the same |
| KR20030019588A (en) * | 2001-05-22 | 2003-03-06 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | Projection display device |
| JP3645890B2 (en) * | 2002-06-07 | 2005-05-11 | Ｎｅｃビューテクノロジー株式会社 | Projector device |
| US7338187B2 (en) * | 2002-06-21 | 2008-03-04 | Wavien, Inc. | Multiple lamp illumination system |
| JP2007248906A (en) * | 2006-03-16 | 2007-09-27 | Seiko Epson Corp | Optical components for image display apparatus, and image display apparatus |
| JP2008046479A (en) * | 2006-08-18 | 2008-02-28 | Fujinon Corp | Lighting optical system and projection type image display device provided therewith |
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2008
- 2008-07-18 JP JP2008187804A patent/JP5097042B2/en active Active
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