JP2009128689A5 - - Google Patents

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JP2009128689A5
JP2009128689A5 JP2007304435A JP2007304435A JP2009128689A5 JP 2009128689 A5 JP2009128689 A5 JP 2009128689A5 JP 2007304435 A JP2007304435 A JP 2007304435A JP 2007304435 A JP2007304435 A JP 2007304435A JP 2009128689 A5 JP2009128689 A5 JP 2009128689A5
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light
light source
display device
illumination
mirror
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JP2007304435A
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JP5489405B2 (en
JP2009128689A (en
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光源から発する光を反射鏡で略平行光にして又は集光して得られた光源光束を形成する複数の光源装置と、
前記複数の光源装置からの光源光束を結合させて照明光束とする照明光学系と、
前記照明光束に照明されるライトバルブと、
前記ライトバルブにより変調された光束を空間あるいはスクリーン上に投射して表示画像を結像させる結像光学系とを備えた投射型表示装置において、
前記空間あるいはスクリーン上に投射された表示画像における水平方向と、前記複数の光源装置における光源光束の光軸方向とが平行であることを特徴とする投射型表示装置。 A plurality of light source devices for forming a light source luminous flux obtained by making light emitted from a light source into substantially parallel light by a reflecting mirror or by condensing the light;
An illumination optical system that combines light source beams from the plurality of light source devices into an illumination beam;
A light valve illuminated by the illumination beam;
In a projection type display device comprising an imaging optical system that forms a display image by projecting a light beam modulated by the light valve onto a space or a screen,
A projection display device, wherein a horizontal direction in a display image projected on the space or the screen is parallel to an optical axis direction of a light beam of the plurality of light source devices. 前記光源装置の光源は、アーク放電型ランプであり、該アーク放電型ランプのアーク軸を光源光束の光軸と平行に配置したことを特徴とする請求項１に記載の投射型表示装置。   2. The projection display device according to claim 1, wherein the light source of the light source device is an arc discharge lamp, and an arc axis of the arc discharge lamp is arranged in parallel with an optical axis of a light source beam. 前記反射鏡は放物面鏡であり、光源の発光部を前記放物面鏡の焦点に配置することを特徴とする請求項１又は２に記載の投射型表示装置。   The projection display device according to claim 1, wherein the reflecting mirror is a parabolic mirror, and a light emitting unit of a light source is disposed at a focal point of the parabolic mirror. 前記放物面鏡で反射された光の一部光路中に反射鏡を配置し、前記放物面鏡で反射された光の一部を再び放物面鏡に導き、光源光束とすることを特徴とする請求項３に記載の投射型表示装置。   A reflecting mirror is arranged in a part of the optical path of the light reflected by the parabolic mirror, and a part of the light reflected by the parabolic mirror is guided again to the parabolic mirror to be a light source light beam. The projection type display device according to claim 3, wherein 前記反射鏡は回転楕円鏡であり、光源の発光部を前記回転楕円鏡の何れか一方の焦点に配置すること特徴とする請求項１又は２に記載の投射型表示装置。   The projection display device according to claim 1, wherein the reflecting mirror is a spheroid mirror, and a light-emitting unit of a light source is disposed at one focal point of the spheroid mirror. 前記回転楕円鏡で反射された光の光路中にパワーを有する集光素子を配置して、前記回転楕円鏡の開口幅より小さい光束幅の平行光束を形成したことを特徴とする請求項５に記載の投射型表示装置。   6. The parallel light flux having a light flux width smaller than the aperture width of the spheroid mirror is formed by arranging a condensing element having power in an optical path of light reflected by the spheroid mirror. The projection type display device described. 前記複数の光源装置から得られるおのおのの光源光束を、光路分離素子により反射光と透過光とに分離し、それぞれ異なった光源光束からの反射光と透過光とを重畳させて照明光束を形成したことを特徴とする請求項１〜６のいずれか一項に記載の投射型表示装置。 Each light source light beam obtained from the plurality of light source devices is separated into reflected light and transmitted light by an optical path separating element, and reflected light and transmitted light from different light source light beams are superimposed to form an illumination light beam. projection display device according to any one of claims 1 to 6, characterized in that. 前記複数の光源装置の光源を個別に点滅させる光源制御装置を備えたことを特徴とする請求項１〜７のいずれか一項に記載の投射型表示装置。 Projection display device according to any one of claims 1 to 7, characterized in that a light source control device for blinking individually the light source of the plurality of light source devices. 前記複数の光源装置は、光源の出力が異なるものを含むことを特徴とする請求項１〜８のいずれか一項に記載の投射型表示装置。 The projection type display device according to any one of claims 1 to 8 , wherein the plurality of light source devices include ones having different light source outputs. 光束を発生する第一及び第二の光源装置と、第一及び第二の光源装置で発生した光束を照明光束としてライトバルブに導く照明光学系と、前記ライトバルブにより変調された照明光束を結像光学系により空間あるいはスクリーン上に結像させて表示画像を得る投射型表示装置において、
第一及び第二の光源装置における照明光源はそれぞれアーク放電型ランプであり、
前記表示画像における横方向を水平に保ったまま、投射型表示装置の姿勢を変化させても、前記アーク放電型ランプのアーク軸は、水平に維持されていることを特徴とする投射型表示装置。 The first and second light source devices that generate a light beam, the illumination optical system that guides the light beam generated by the first and second light source devices to the light valve as an illumination light beam, and the illumination light beam modulated by the light valve are combined. In a projection display device that obtains a display image by forming an image on a space or a screen by an image optical system,
The illumination light sources in the first and second light source devices are arc discharge lamps,
The projection display device characterized in that the arc axis of the arc discharge lamp is kept horizontal even when the attitude of the projection display device is changed while keeping the horizontal direction in the display image horizontal. .
JP2007304435A 2007-11-26 2007-11-26 Projection display Expired - Fee Related JP5489405B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007304435A JP5489405B2 (en) 2007-11-26 2007-11-26 Projection display

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Application Number Priority Date Filing Date Title
JP2007304435A JP5489405B2 (en) 2007-11-26 2007-11-26 Projection display

Publications (3)

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JP2009128689A JP2009128689A (en) 2009-06-11
JP2009128689A5 true JP2009128689A5 (en) 2010-10-28
JP5489405B2 JP5489405B2 (en) 2014-05-14

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5070095B2 (en) * 2008-03-19 2012-11-07 三洋電機株式会社 Projection-type image display device and projection-type image display system using the same
JP5517597B2 (en) * 2009-12-21 2014-06-11 キヤノン株式会社 Illumination optical system and projection display device
JP5625932B2 (en) * 2010-02-19 2014-11-19 株式会社Ｊｖｃケンウッド Projection display
TWI410740B (en) * 2010-12-14 2013-10-01 Delta Electronics Inc Illumination system and projection device comprising the same
WO2012114522A1 (en) * 2011-02-25 2012-08-30 日立コンシューマエレクトロニクス株式会社 Projection image display device
CN108463929B (en) * 2016-01-14 2020-10-30 古河电气工业株式会社 Semiconductor laser module and method for manufacturing semiconductor laser module
JP2022053290A (en) * 2020-09-24 2022-04-05 パナソニックＩｐマネジメント株式会社 Illumination device and projection type image display device
KR102573832B1 (en) * 2021-12-17 2023-09-01 한국광기술원 Precision Approach Path Indicator with Precise Demarcation between Colors

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JP3645890B2 (en) * 2002-06-07 2005-05-11 Ｎｅｃビューテクノロジー株式会社 Projector device
US7201498B2 (en) * 2002-10-10 2007-04-10 Matsushita Electric Industrial Co., Ltd. Lighting apparatus
JP4514440B2 (en) * 2003-12-01 2010-07-28 三洋電機株式会社 Projection display device
JP4120628B2 (en) * 2004-09-13 2008-07-16 松下電器産業株式会社 Light source device for projection display device
JP5156338B2 (en) * 2007-06-27 2013-03-06 三洋電機株式会社 LIGHTING DEVICE AND PROJECTION VIDEO DISPLAY DEVICE USING THE SAME

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