JP4293241B2 - 光源装置及びプロジェクタ - Google Patents
光源装置及びプロジェクタ Download PDFInfo
- Publication number
- JP4293241B2 JP4293241B2 JP2007006677A JP2007006677A JP4293241B2 JP 4293241 B2 JP4293241 B2 JP 4293241B2 JP 2007006677 A JP2007006677 A JP 2007006677A JP 2007006677 A JP2007006677 A JP 2007006677A JP 4293241 B2 JP4293241 B2 JP 4293241B2
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- Prior art keywords
- light
- wavelength
- light source
- source device
- laser
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- 238000006243 chemical reaction Methods 0.000 claims description 20
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- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B33/00—Colour photography, other than mere exposure or projection of a colour film
- G03B33/10—Simultaneous recording or projection
- G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
Description
Claims (7)
- 赤外光である第1波長の光を供給する光源部と、
前記第1波長の光を、前記第1波長とは異なる第2波長の光へ変換する波長変換素子と、
前記第1波長の光及び前記第2波長の光を分離させる波長分離部と、を有し、
前記波長分離部は、前記波長変換素子からの前記第2波長の光を出射方向へ進行させ、かつ前記波長変換素子からの前記第1波長の光を前記出射方向以外の方向へ進行させ、
前記波長分離部から前記出射方向へ進行した光が入射する位置に設けられ、前記赤外光の透過を低減させる赤外光低減部材を有することを特徴とする光源装置。 - 前記波長分離部は、前記第1波長の光を透過させることにより前記出射方向以外の方向へ進行させ、かつ前記第2波長の光を反射させることにより前記出射方向へ進行させることを特徴とする請求項1に記載の光源装置。
- 前記光源部、前記波長変換素子及び前記波長分離部を収納する筐体を有し、
前記筐体は、前記波長分離部から前記出射方向以外の方向へ進行した光が入射する位置において前記第1波長の光を吸収することを特徴とする請求項1又は2に記載の光源装置。 - 前記波長分離部から前記出射方向へ進行した光を前記筐体の外部へ出射させる出射部と、
前記出射部の周囲に設けられ、前記波長分離部から前記出射方向へ進行した光以外の光を遮光する遮光部と、を有することを特徴とする請求項3に記載の光源装置。 - 前記筐体は、前記波長分離部から前記出射方向以外の方向へ進行した光が入射する位置に設けられた凹部を備えることを特徴とする請求項3又は4に記載の光源装置。
- 前記波長変換素子が設けられた光路にて前記第1波長の光を共振させる共振器構造を有し、
前記波長分離部は、前記共振器構造より出射側に設けられることを特徴とする請求項1〜5のいずれか一項に記載の光源装置。 - 請求項1〜6のいずれか一項に記載の光源装置と、
前記光源装置からの光を画像信号に応じて変調する空間光変調装置と、を有することを特徴とするプロジェクタ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007006677A JP4293241B2 (ja) | 2007-01-16 | 2007-01-16 | 光源装置及びプロジェクタ |
US11/970,999 US8070299B2 (en) | 2007-01-16 | 2008-01-08 | Light source apparatus and projector having a wavelength separator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007006677A JP4293241B2 (ja) | 2007-01-16 | 2007-01-16 | 光源装置及びプロジェクタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008175858A JP2008175858A (ja) | 2008-07-31 |
JP4293241B2 true JP4293241B2 (ja) | 2009-07-08 |
Family
ID=39617486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007006677A Expired - Fee Related JP4293241B2 (ja) | 2007-01-16 | 2007-01-16 | 光源装置及びプロジェクタ |
Country Status (2)
Country | Link |
---|---|
US (1) | US8070299B2 (ja) |
JP (1) | JP4293241B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5294670B2 (ja) * | 2008-03-27 | 2013-09-18 | 三洋電機株式会社 | 投写型映像表示装置及びこれを用いた投写型映像表示システム |
TWI432780B (zh) * | 2011-01-19 | 2014-04-01 | 台達電子工業股份有限公司 | 光源系統 |
US20130010266A1 (en) * | 2011-07-05 | 2013-01-10 | Projectiondesign As | Compact Projector Head |
EP3109696B1 (en) * | 2014-02-17 | 2020-06-24 | Ricoh Company, Ltd. | Optical irradiation device and image display device equipped with same |
GB2542117B (en) * | 2015-09-04 | 2022-04-06 | Smidsy Ltd | Laser projection device |
WO2017111779A1 (en) * | 2015-12-23 | 2017-06-29 | Intel Corporation | Laser projector with angled reflector |
JP6822452B2 (ja) * | 2018-08-23 | 2021-01-27 | セイコーエプソン株式会社 | 光源装置およびプロジェクター |
JP7505194B2 (ja) * | 2020-02-05 | 2024-06-25 | ウシオ電機株式会社 | 光源ユニット、その光源ユニットを備えるファイバ光源装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0315832A (ja) | 1989-06-14 | 1991-01-24 | Toshiba Corp | 高調波発生装置 |
JP3398967B2 (ja) | 1992-02-21 | 2003-04-21 | ソニー株式会社 | レーザ光発生装置 |
US5452312A (en) * | 1993-10-18 | 1995-09-19 | Matsushita Electric Industrial Co., Ltd. | Short-wavelength laser light source and optical information processing aparatus |
KR100363237B1 (ko) * | 1995-05-09 | 2003-02-05 | 삼성전자 주식회사 | 제2고조파 발생 방법 및 장치 |
JPH10200177A (ja) * | 1997-01-16 | 1998-07-31 | Fuji Photo Film Co Ltd | レーザーダイオード励起固体レーザー |
JP2001264662A (ja) * | 2000-03-16 | 2001-09-26 | Fuji Photo Film Co Ltd | カラーレーザディスプレイ |
JP2004334129A (ja) * | 2003-05-12 | 2004-11-25 | Sony Corp | レンズ、光照射装置及びレーザポインタ |
JP2004088129A (ja) * | 2003-12-08 | 2004-03-18 | Sony Corp | レーザ光発生装置 |
JP2006019603A (ja) | 2004-07-05 | 2006-01-19 | Matsushita Electric Ind Co Ltd | コヒーレント光源および光学装置 |
US20060023757A1 (en) | 2004-07-30 | 2006-02-02 | Aram Mooradian | Apparatus, system, and method for wavelength conversion of mode-locked extended cavity surface emitting semiconductor lasers |
KR20070046831A (ko) | 2004-07-30 | 2007-05-03 | 노바룩스 인코포레이티드 | 투사 디스플레이 장치, 시스템 및 방법 |
US7357513B2 (en) | 2004-07-30 | 2008-04-15 | Novalux, Inc. | System and method for driving semiconductor laser sources for displays |
US7322704B2 (en) | 2004-07-30 | 2008-01-29 | Novalux, Inc. | Frequency stabilized vertical extended cavity surface emitting lasers |
US20060026841A1 (en) * | 2004-08-09 | 2006-02-09 | Dirk Freund | Razors |
WO2006105258A2 (en) | 2005-03-30 | 2006-10-05 | Novalux, Inc. | Manufacturable vertical extended cavity surface emitting laser arrays |
-
2007
- 2007-01-16 JP JP2007006677A patent/JP4293241B2/ja not_active Expired - Fee Related
-
2008
- 2008-01-08 US US11/970,999 patent/US8070299B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8070299B2 (en) | 2011-12-06 |
JP2008175858A (ja) | 2008-07-31 |
US20080170207A1 (en) | 2008-07-17 |
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