JP2016057375A5 - - Google Patents

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JP2016057375A5
JP2016057375A5 JP2014181915A JP2014181915A JP2016057375A5 JP 2016057375 A5 JP2016057375 A5 JP 2016057375A5 JP 2014181915 A JP2014181915 A JP 2014181915A JP 2014181915 A JP2014181915 A JP 2014181915A JP 2016057375 A5 JP2016057375 A5 JP 2016057375A5
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Japan
Prior art keywords
light
light source
source device
prism
glass rod
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JP2014181915A
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Japanese (ja)
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JP2016057375A (en
JP6432765B2 (en
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Description

本発明は、上述の様な問題点を改良し、光源光の面内均一性を高めることを目的とする。
The present invention improves the such problems described above, and an object thereof is to enhance the in-plane uniformity of the light source light.

本発明の光源装置は、複数の光源と、前記複数の光源のうち拡散度合いのより小さい光源の光源光の光軸方向を変換するプリズムと前記拡散度合いのより小さい光源の光源光を透過させるガラスロッドと、を有する導光ユニットと、を備えることを特徴とする。
The light source device of the present invention includes a plurality of light sources, a prism that converts the optical axis direction of the light source light of the light source having the smaller diffusion degree among the plurality of light sources, and glass that transmits the light source light of the light source having the smaller diffusion degree. characterized in that it comprises a light guide unit having a rod, and the.

本発明によれば、光源光の面内均一性を高めることができる。
 According to the present invention, it is possible to increase the in-plane uniformity of the light source light.

Claims (11)

複数の光源と、
前記複数の光源のうち拡散度合いのより小さい光源の光源光の光軸方向を変換するプリズムと前記拡散度合いのより小さい光源の光源光を透過させるガラスロッドとを有する導光ユニットと、
を備えることを特徴とする光源装置。 Multiple light sources;
A light guide unit having a prism that converts an optical axis direction of light source light of a light source having a smaller diffusion degree among the plurality of light sources, and a glass rod that transmits light source light of the light source having a smaller diffusion degree ;
A light source device comprising: 前記拡散度合いのより小さい光源の光源光は拡散板を透過した光源の光源光であることを特徴とする請求項１に記載の光源装置。The light source device according to claim 1, wherein the light source light of the light source having a smaller diffusion degree is light source light of the light source that has passed through the diffusion plate. 前記導光ユニットは、前記ガラスロッドを透過した光を集光させる集光レンズを更に有することを特徴とする請求項１又は請求項２に記載の光源装置。 The light guide unit has a light source device according to claim 1 or claim 2, further comprising a condenser lens for condensing light transmitted through the glass rod. 前記導光ユニットは、前記ガラスロッドの両端に前記プリズムを接合したプリズムロッドを有し、一方の前記プリズムに入射される光源光を、前記ガラスロッドを介して他方の前記プリズムに入射させ、前記一方のプリズムに入射される光源光の方向を１８０度変更させて前記他方のプリズムから出射することを特徴とする請求項１乃至請求項３の何れかに記載の光源装置。 The light guide unit has a prism rod in which the prisms are bonded to both ends of the glass rod, and the light source light incident on one of the prisms is incident on the other prism via the glass rod, a light source device according to claim 1 to claim 3 in the direction of the source light incident on one of the prism is changed 180 degrees, characterized in that emerging from the other prism. 前記導光ユニットは、前記プリズムの少なくとも一面に前記ガラスロッドを接合したプリズムロッドと、反射ミラーとを有し、前記ガラスロッドを透過した前記光源光の向きを前記プリズムで光軸の方向を９０度変更し、更に前記反射ミラーで光軸の方向を９０度変更することにより、前記ガラスロッドに入射される前記光源光の向きと前記反射ミラーで反射される光の向きとを１８０度変更させることを特徴とする請求項１乃至請求項３の何れかに記載の光源装置。 The light guide unit includes a prism rod in which the glass rod is joined to at least one surface of the prism, and a reflection mirror, and the direction of the light source light transmitted through the glass rod is set to be 90 in the direction of the optical axis. And the direction of the light source incident on the glass rod and the direction of the light reflected by the reflecting mirror are changed by 180 degrees by changing the direction of the optical axis by 90 degrees with the reflecting mirror. the light source device according to any one of claims 1 to 3, characterized in that. 前記拡散度合いのより小さい光源の光源光は、レーザ光であることを特徴とする請求項１乃至請求項５の何れかに記載の光源装置。 The source light is less than the light source of the degree of diffusion, the light source device according to any one of claims 1 to 5, characterized in that a laser beam. 前記拡散板は、円弧状に蛍光体層が設けられる光学ホイールの一部に設けられ、前記蛍光体層と円弧形状とされる前記拡散板とが環状形状とされることを特徴とする請求項２乃至請求項６の何れかに記載の光源装置。 Claim wherein the diffusion plate is provided on a portion of the optical wheel phosphor layer in a circular arc shape is provided, the said diffuser which is the phosphor layer and an arc shape, characterized in that it is an annular shape The light source device according to claim 2 . 前記蛍光体層は、緑色発光蛍光体により形成され、前記光源光は青色波長帯域のレーザ光であることを特徴とする請求項７に記載の光源装置。 The light source device according to claim 7 , wherein the phosphor layer is formed of a green light emitting phosphor, and the light source light is a laser beam in a blue wavelength band. 前記蛍光体層からの蛍光光と、前記拡散板及び前記導光ユニットを透過した前記光源光とを、光軸を一致させると共に同一方向に出射する導光光学系を更に備えることを特徴とする請求項７又は請求項８に記載の光源装置。 The optical system further includes a light guide optical system that matches the optical axis and emits the fluorescent light from the phosphor layer and the light source light transmitted through the diffusion plate and the light guide unit in the same direction. The light source device according to claim 7 or 8 . 前記複数の光源は、赤色波長帯域の光を発する発光素子を含むことを特徴とする請求項１乃至請求項９の何れかに記載の光源装置。 Wherein the plurality of light sources, a light source device according to any one of claims 1 to 9, characterized in that it comprises a light emitting element which emits light in the red wavelength band. 請求項１乃至請求項１０の何れかに記載した光源装置と、
表示素子と、
前記光源装置からの光を前記表示素子に導光する光源側光学系と、
前記表示素子から出射された画像光をスクリーンに投影する投影側光学系と、
前記光源装置や表示素子を制御するプロジェクタ制御手段と、
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 10 ,
A display element;
A light source side optical system for guiding light from the light source device to the display element;
A projection-side optical system that projects image light emitted from the display element onto a screen;
Projector control means for controlling the light source device and the display element;
A projector comprising:
JP2014181915A 2014-09-08 2014-09-08 Light source device and projector Active JP6432765B2 (en)

Priority Applications (1)

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JP2014181915A JP6432765B2 (en) 2014-09-08 2014-09-08 Light source device and projector

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Application Number Priority Date Filing Date Title
JP2014181915A JP6432765B2 (en) 2014-09-08 2014-09-08 Light source device and projector

Publications (3)

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JP2016057375A JP2016057375A (en) 2016-04-21
JP2016057375A5 true JP2016057375A5 (en) 2017-08-10
JP6432765B2 JP6432765B2 (en) 2018-12-05

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200109899A1 (en) * 2017-07-06 2020-04-09 Maxell, Ltd. Heat transport device and projection image display device
JP7192836B2 (en) 2020-09-10 2022-12-20 カシオ計算機株式会社 projection device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001215615A (en) * 1993-03-16 2001-08-10 Seiko Epson Corp Projection type display device
US7522792B2 (en) * 2003-12-10 2009-04-21 Panasonic Corporation Optical element, laser light source, and two-dimensional image forming apparatus
JP2006258900A (en) * 2005-03-15 2006-09-28 Sanyo Electric Co Ltd Folding type rod integrator, illuminator and projection type image display apparatus
JP5412996B2 (en) * 2009-06-30 2014-02-12 カシオ計算機株式会社 Light source device, projection device, and projection method
JP5428079B2 (en) * 2009-12-25 2014-02-26 カシオ計算機株式会社 Fluorescent light emitting device and projector
JP5429574B2 (en) * 2011-03-07 2014-02-26 カシオ計算機株式会社 Light source device and projector
JP5799712B2 (en) * 2011-09-28 2015-10-28 カシオ計算機株式会社 Phosphor wheel, light source device and projector
JP2013196946A (en) * 2012-03-21 2013-09-30 Casio Computer Co Ltd Light source device, projector, and manufacturing method of light source device

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