JP6008810B2 - レーザ光源装置 - Google Patents
レーザ光源装置 Download PDFInfo
- Publication number
- JP6008810B2 JP6008810B2 JP2013183755A JP2013183755A JP6008810B2 JP 6008810 B2 JP6008810 B2 JP 6008810B2 JP 2013183755 A JP2013183755 A JP 2013183755A JP 2013183755 A JP2013183755 A JP 2013183755A JP 6008810 B2 JP6008810 B2 JP 6008810B2
- Authority
- JP
- Japan
- Prior art keywords
- laser light
- incident
- light
- light source
- incident surface
- 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.)
- Expired - Fee Related
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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
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2013—Plural light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0994—Fibers, light pipes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/106—Beam splitting or combining systems for splitting or combining a plurality of identical beams or images, e.g. image replication
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/12—Beam splitting or combining systems operating by refraction only
- G02B27/123—The splitting element being a lens or a system of lenses, including arrays and surfaces with refractive power
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/48—Laser speckle optics
-
- 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
- G03B21/208—Homogenising, shaping of the illumination light
-
- 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
- H04N9/3161—Modulator illumination systems using laser light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
また、レーザ光源装置は、レーザ光を出射する複数のレーザ光源と、前記複数のレーザ光源から出射された光が入射され、当該光を、導光体の入射面に向けて出射する光学系と、を備え、前記複数のレーザ光源のうち少なくとも二つのレーザ光源が同じ波長の光を出射し、前記複数のレーザ光源及び前記光学系は、前記同じ波長の光のうち少なくとも二つの光においては前記入射面に対する光軸の入射角度が異なるように、構成される。
1〜図8を参酌して説明する。
Claims (1)
- 赤、緑、青のうち何れか一つの色で且つ同じ色のレーザ光を出射する複数のレーザ光源と、
前記複数のレーザ光源から出射された光が入射される入射面を有する導光体と、を備え、
前記複数のレーザ光源から出射された光は、拡散素子を通過することなく、前記入射面に入射され、
前記導光体は、光ファイバーであり、
前記複数のレーザ光源においては、少なくとも一つのレーザ光源は、少なくとも一つの他のレーザ光源とは異なる波長の光を出射し、且つ、少なくとも二つのレーザ光源は、同じ波長の光を出射し、
前記同じ波長の光のうち少なくとも二つの光においては、前記入射面に入射する際における当該入射面に対する光軸の入射角度が異なるレーザ光源装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013183755A JP6008810B2 (ja) | 2013-09-05 | 2013-09-05 | レーザ光源装置 |
PCT/JP2014/071893 WO2015033792A1 (ja) | 2013-09-05 | 2014-08-21 | レーザ光源装置及び画像投影装置 |
CN201480048850.7A CN105518517B (zh) | 2013-09-05 | 2014-08-21 | 激光光源装置及图像投影装置 |
US14/916,010 US20160223894A1 (en) | 2013-09-05 | 2014-08-21 | Laser light source device and image projection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013183755A JP6008810B2 (ja) | 2013-09-05 | 2013-09-05 | レーザ光源装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015122557A Division JP6009044B2 (ja) | 2015-06-18 | 2015-06-18 | レーザ光源装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015052626A JP2015052626A (ja) | 2015-03-19 |
JP2015052626A5 JP2015052626A5 (ja) | 2015-04-30 |
JP6008810B2 true JP6008810B2 (ja) | 2016-10-19 |
Family
ID=52628270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013183755A Expired - Fee Related JP6008810B2 (ja) | 2013-09-05 | 2013-09-05 | レーザ光源装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20160223894A1 (ja) |
JP (1) | JP6008810B2 (ja) |
CN (1) | CN105518517B (ja) |
WO (1) | WO2015033792A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016161846A (ja) * | 2015-03-04 | 2016-09-05 | ウシオ電機株式会社 | 光源装置及び画像投影装置 |
US20160327721A1 (en) * | 2015-05-04 | 2016-11-10 | Corning Incorporated | Optical fiber lighting device and method |
JP6866565B2 (ja) * | 2016-01-20 | 2021-04-28 | ウシオ電機株式会社 | 光源装置 |
JP6763180B2 (ja) * | 2016-04-01 | 2020-09-30 | ウシオ電機株式会社 | 光源装置 |
JP7036436B2 (ja) * | 2016-05-23 | 2022-03-15 | アダマンド並木精密宝石株式会社 | 光伝搬装置、その光伝搬装置を用いた光表示装置及び照明装置 |
JP6810650B2 (ja) * | 2017-04-17 | 2021-01-06 | 日本電信電話株式会社 | 映像投影装置 |
CN111352287A (zh) * | 2018-12-24 | 2020-06-30 | 深圳光峰科技股份有限公司 | 光源***及投影设备 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10304152A (ja) * | 1997-04-23 | 1998-11-13 | Minolta Co Ltd | レーザダイオードアレイ光源及び光ビーム走査光学装置 |
DE60110425T2 (de) * | 2000-07-10 | 2006-03-09 | Corporation For Laser Optics Research | Systeme ung verfahren zur speckle-reduzierung durch bandbreitenerhöhung |
US7016018B2 (en) * | 2003-06-04 | 2006-03-21 | Fuji Photo Film Co., Ltd. | Exposure device |
JP2005300712A (ja) * | 2004-04-08 | 2005-10-27 | Nikon Corp | 投射型表示装置 |
WO2007013221A1 (ja) * | 2005-07-28 | 2007-02-01 | Matsushita Electric Industrial Co., Ltd. | レーザ画像表示装置、ならびに、それに用いる光インテグレータおよびレーザ光源パッケージ |
JP4441918B2 (ja) * | 2006-08-31 | 2010-03-31 | セイコーエプソン株式会社 | 光源装置及び画像表示装置 |
JP4963925B2 (ja) * | 2006-10-13 | 2012-06-27 | 三菱電機株式会社 | レーザ光源装置及び映像表示装置 |
JP5033482B2 (ja) * | 2007-05-31 | 2012-09-26 | 三洋電機株式会社 | 投写型映像表示装置 |
WO2009028438A1 (ja) * | 2007-08-29 | 2009-03-05 | Sharp Kabushiki Kaisha | 画像表示装置 |
JP4381460B2 (ja) * | 2007-09-04 | 2009-12-09 | 三菱電機株式会社 | レーザ光合成装置 |
US20090153752A1 (en) * | 2007-12-14 | 2009-06-18 | Silverstein Barry D | Projector using independent multiple wavelength light sources |
JP5391662B2 (ja) * | 2008-11-21 | 2014-01-15 | ソニー株式会社 | 立体画像表示装置、偏光分離合成装置、立体画像表示方法 |
JP5473774B2 (ja) * | 2010-05-17 | 2014-04-16 | 三菱電機株式会社 | レーザ光源装置 |
JP5609422B2 (ja) * | 2010-08-24 | 2014-10-22 | セイコーエプソン株式会社 | 光源装置、及びプロジェクター |
JP5609615B2 (ja) * | 2010-12-16 | 2014-10-22 | ウシオ電機株式会社 | レーザ光源装置 |
WO2012139634A1 (en) * | 2011-04-12 | 2012-10-18 | Barco N.V. | Laser projector with reduced speckle |
JP5352686B2 (ja) * | 2011-06-24 | 2013-11-27 | シャープ株式会社 | 投光装置、投光ユニットおよび集光部材 |
US9228710B2 (en) * | 2011-06-13 | 2016-01-05 | Sharp Kabushiki Kaisha | Light projection apparatus, light condensing unit, and light emitting apparatus |
JP2013015762A (ja) * | 2011-07-06 | 2013-01-24 | Sony Corp | 照明光学系および画像表示装置 |
JP5892769B2 (ja) * | 2011-11-07 | 2016-03-23 | 三菱電機株式会社 | 投写型表示装置及び画像表示方法 |
CN104094151B (zh) * | 2012-02-02 | 2016-09-28 | 三菱电机株式会社 | 会聚光学***和投影式图像显示装置 |
-
2013
- 2013-09-05 JP JP2013183755A patent/JP6008810B2/ja not_active Expired - Fee Related
-
2014
- 2014-08-21 WO PCT/JP2014/071893 patent/WO2015033792A1/ja active Application Filing
- 2014-08-21 US US14/916,010 patent/US20160223894A1/en not_active Abandoned
- 2014-08-21 CN CN201480048850.7A patent/CN105518517B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN105518517B (zh) | 2018-12-07 |
WO2015033792A1 (ja) | 2015-03-12 |
CN105518517A (zh) | 2016-04-20 |
JP2015052626A (ja) | 2015-03-19 |
US20160223894A1 (en) | 2016-08-04 |
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