JP2000347293A5 - - Google Patents
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- JP2000347293A5 JP2000347293A5 JP2000097211A JP2000097211A JP2000347293A5 JP 2000347293 A5 JP2000347293 A5 JP 2000347293A5 JP 2000097211 A JP2000097211 A JP 2000097211A JP 2000097211 A JP2000097211 A JP 2000097211A JP 2000347293 A5 JP2000347293 A5 JP 2000347293A5
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- light source
- source device
- lens
- axis
- light
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Claims (14)
前記放電灯から射出された光を反射する反射面を備えた楕円リフレクタと、
前記反射面によって反射された光を平行化するレンズと、を有し、
前記レンズは、入射面に凸状の球面を有し、射出面に回転楕円面形状の非球面を有する非球面レンズであり、
前記レンズは、前記楕円リフレクタの第１焦点と第２焦点との間に配置されていることを特徴とする光源装置。A discharge lamp,
An elliptical reflector having a reflective surface for reflecting the light emitted from the discharge lamp;
A lens that collimates the light reflected by the reflecting surface;
The lens has a convex spherical surface on the incident surface, an aspheric lens having a spheroidal shape of the aspheric exit surface,
It said lens to a light source device which is characterized that you are disposed between the first focus and the second focus of the elliptical reflector.
前記非球面は、前記非球面と光源光軸との交点を原点、前記光源光軸をＺ軸、前記光源光軸と直交する軸をｒ軸としたｒθＺ円柱座標系における座標値をｒおよびＺとし、近軸曲率をｃとし、円錐定数をＫとしたとき、
The aspherical surface, the intersection of the original point of the aspheric surface and the light-source optical axis, Z-axis the light source optical axis, the coordinate values in the r .theta.Z cylindrical coordinate system and an axis orthogonal to the light source optical axis is r axis r And Z, where the paraxial curvature is c and the conic constant is K,
前記円錐定数Ｋは前記非球面レンズの屈折率をｎとしたとき、Ｋ＝−１／ｎ The conic constant K is K = −1 / n, where n is the refractive index of the aspheric lens. 2 2 で表される、光源装置。A light source device represented by
前記非球面レンズの前記入射面には、紫外線反射膜が形成されている、光源装置。 A light source device in which an ultraviolet reflecting film is formed on the incident surface of the aspheric lens.
前記放電灯から射出された光を反射する反射面を備えた楕円リフレクタと、 An elliptical reflector having a reflective surface for reflecting the light emitted from the discharge lamp;
前記反射面によって反射された光を平行化するレンズと、を有し、 A lens that collimates the light reflected by the reflecting surface;
前記レンズは、入射面に回転双曲面形状の非球面を有し、射出面に平面を有する非球面レンズであることを特徴とする光源装置。 The light source device according to claim 1, wherein the lens is an aspherical lens having an aspherical surface with a rotational hyperboloid shape on an incident surface and a flat surface on an exit surface.
前記非球面は、前記非球面と光源光軸との交点を原点、前記光源光軸をＺ軸、前記光源光軸と直交する軸をｒ軸としたｒθＺ円柱座標系における座標値をｒおよびＺとし、近軸曲率をｃとし、円錐定数をＫとしたとき、 The aspheric surface has coordinate values in an rθZ cylindrical coordinate system in which the intersection point of the aspheric surface and the light source optical axis is the origin, the light source optical axis is the Z axis, and the axis orthogonal to the light source optical axis is the r axis. And when the paraxial curvature is c and the conic constant is K,
前記円錐定数Ｋは前記非球面レンズの屈折率をｎとしたとき、Ｋ＝−ｎ The conic constant K is K = −n, where n is the refractive index of the aspheric lens. 2 2 で表される、光源装置。A light source device represented by
前記非球面レンズの前記射出面には、紫外線反射膜が形成されている、光源装置。 A light source device, wherein an ultraviolet reflecting film is formed on the exit surface of the aspheric lens.
前記非球面は凹面である、光源装置。 The light source device, wherein the aspheric surface is a concave surface.
前記非球面レンズは、前記楕円リフレクタの開口面に接合されている、光源装置。 The light source device, wherein the aspheric lens is joined to an opening surface of the elliptical reflector.
前記楕円リフレクタは、前記反射面と前記光源光軸との交点を原点、前記光源光軸をＺ The elliptical reflector has an intersection point between the reflection surface and the light source optical axis as an origin, and the light source optical axis as a Z axis. 軸、前記光源光軸と直交する軸をｒ軸としたｒθＺ円柱座標系における座標値をｒThe coordinate value in the rθZ cylindrical coordinate system with the axis and the axis orthogonal to the light source optical axis as the r axis is represented by r RR 、Ｚ, Z RR とし、近軸曲率をｃAnd the paraxial curvature is c RR とし、円錐定数をＫAnd the conic constant is K RR としたとき、When
−０．８＜Ｋ -0.8 <K RR ＜−０．５である、光源装置。<−0.5, the light source device.
前記光源装置から射出された光を複数の部分光線束に分割するレンズアレイと、
前記レンズアレイによって分割された前記部分光線束を照明領域上で重畳させる重畳レンズと、
を備えることを特徴とする照明光学系。A light source device according to any one of claims 1 to 11 ,
A lens array for dividing the light emitted from the light source device into a plurality of partial beam bundles;
A superimposing lens that superimposes the partial beam bundle divided by the lens array on an illumination area;
An illumination optical system comprising:
前記光源装置から射出された光を複数の部分光線束に分割するレンズアレイと、
前記レンズアレイによって分割された前記部分光線束を照明領域上で重畳させる重畳レンズと、
を備え、
前記レンズアレイは、前記非球面レンズの前記射出面に設けられていることを特徴とする照明光学系。A light source device according to any one of claims 5 to 8 ,
A lens array for dividing the light emitted from the light source device into a plurality of partial beam bundles;
A superimposing lens that superimposes the partial beam bundle divided by the lens array on an illumination area;
Equipped with a,
Before SL lens array, an illumination optical system, characterized in that provided on the exit surface of the aspheric lens.
前記光源装置が照明する照明領域としての光入射面を有し、前記光源装置からの入射光を画像情報に応じて変調する電気光学装置と、
前記電気光学装置によって変調された光を投写する投写光学系と、
を備えることを特徴とするプロジェクタ。A light source device according to any one of claims 1 to 11 ,
An electro-optical device having a light incident surface as an illumination area illuminated by the light source device, and modulating incident light from the light source device according to image information;
A projection optical system that projects light modulated by the electro-optical device;
A projector comprising:
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000097211A JP4023066B2 (en) | 1999-04-02 | 2000-03-31 | Light source device, and illumination optical system and projector including the same |
| US09/671,256 US6688756B1 (en) | 2000-03-31 | 2000-09-28 | Light source device, and illuminating optical system and projector including the same |
| EP00308500A EP1139014A3 (en) | 2000-03-31 | 2000-09-28 | Light source device, and illuminating optical system and projector including the same |
| EP04077148A EP1469252A3 (en) | 2000-03-31 | 2000-09-28 | Light source device, and illuminating optical system and projector including the same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9610499 | 1999-04-02 | ||
| JP11-96104 | 1999-04-02 | ||
| JP2000097211A JP4023066B2 (en) | 1999-04-02 | 2000-03-31 | Light source device, and illumination optical system and projector including the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000347293A JP2000347293A (en) | 2000-12-15 |
| JP2000347293A5 true JP2000347293A5 (en) | 2005-07-07 |
| JP4023066B2 JP4023066B2 (en) | 2007-12-19 |
Family
ID=26437342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000097211A Expired - Fee Related JP4023066B2 (en) | 1999-04-02 | 2000-03-31 | Light source device, and illumination optical system and projector including the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4023066B2 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020005938A (en) * | 2000-07-11 | 2002-01-18 | 윤종용 | A illumination equipment with nonspherical ellipsoid type Light Source Reflector and concave lense to maximize lighting efficiency |
| JP4722312B2 (en) * | 2001-03-30 | 2011-07-13 | 三菱電機株式会社 | Lamp, condensing optical system, and image display device |
| EP1382996B1 (en) * | 2001-04-27 | 2009-07-08 | Seiko Epson Corporation | Illuminating optical system and projector |
| US7036941B2 (en) * | 2003-01-14 | 2006-05-02 | Seiko Epson Corporation | Illumination optical device and projector |
| JP4182804B2 (en) * | 2003-04-28 | 2008-11-19 | セイコーエプソン株式会社 | Illumination device and projection display device |
| US7021794B2 (en) | 2003-06-05 | 2006-04-04 | Seiko Epson Corporation | Lighting unit and projector including the same |
| US7159990B2 (en) | 2003-08-18 | 2007-01-09 | Seiko Epson Corporation | Method of manufacturing reflective mirror, illumination device, and projector |
| US7052139B2 (en) | 2003-08-22 | 2006-05-30 | Seiko Epson Corporation | Illumination unit and projector including the same |
| US7052141B2 (en) | 2003-08-25 | 2006-05-30 | Seiko Epson Corporation | Projector with improved lens apparatus |
| US7150535B2 (en) | 2003-10-07 | 2006-12-19 | Seiko Epson Corporation | Lighting device and projector equipped with the same |
| JP4059251B2 (en) | 2004-02-27 | 2008-03-12 | セイコーエプソン株式会社 | Light source device and projector |
| JP4892938B2 (en) * | 2005-11-18 | 2012-03-07 | カシオ計算機株式会社 | Light source unit and projector device |
| JP2007171319A (en) | 2005-12-20 | 2007-07-05 | Samsung Electronics Co Ltd | Illumination optical system, illumination unit and image projector using the optical system |
| JP2010060855A (en) * | 2008-09-04 | 2010-03-18 | Ushio Inc | Optical apparatus |
| CN101866418B (en) * | 2009-04-17 | 2013-02-27 | 株式会社理光 | Method and equipment for determining file reading sequences |
| JP2012073557A (en) * | 2010-09-30 | 2012-04-12 | Ushio Inc | Optical device |
| WO2012120617A1 (en) * | 2011-03-07 | 2012-09-13 | Ｎｅｃディスプレイソリューションズ株式会社 | Projecting display device |
| JP5861324B2 (en) | 2011-08-30 | 2016-02-16 | セイコーエプソン株式会社 | Projector and projector control method |
| JP5915124B2 (en) * | 2011-11-30 | 2016-05-11 | セイコーエプソン株式会社 | Light source device and projector |
-
2000
- 2000-03-31 JP JP2000097211A patent/JP4023066B2/en not_active Expired - Fee Related
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