CN103631076B - 用于减少所投影图像中的斑点的装置及方法 - Google Patents
用于减少所投影图像中的斑点的装置及方法 Download PDFInfo
- Publication number
- CN103631076B CN103631076B CN201310291249.8A CN201310291249A CN103631076B CN 103631076 B CN103631076 B CN 103631076B CN 201310291249 A CN201310291249 A CN 201310291249A CN 103631076 B CN103631076 B CN 103631076B
- Authority
- CN
- China
- Prior art keywords
- light
- display
- light source
- reflectivity
- diffusing screen
- 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.)
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Links
Classifications
-
- 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
- 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
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
- G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
- G02B27/1026—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with reflective spatial light modulators
- G02B27/1033—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with reflective spatial light modulators having a single light modulator for all colour channels
-
- 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
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
-
- 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
- G03B21/147—Optical correction of image distortions, e.g. keystone
-
- 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
-
- 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
-
- 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
- G03B33/06—Colour photography, other than mere exposure or projection of a colour film by additive-colour projection apparatus
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
-
- 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)
- Projection Apparatus (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/593,316 US8905548B2 (en) | 2012-08-23 | 2012-08-23 | Device and method for reducing speckle in projected images |
US13/593,316 | 2012-08-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103631076A CN103631076A (zh) | 2014-03-12 |
CN103631076B true CN103631076B (zh) | 2016-08-17 |
Family
ID=50147727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310291249.8A Active CN103631076B (zh) | 2012-08-23 | 2013-07-11 | 用于减少所投影图像中的斑点的装置及方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8905548B2 (zh) |
CN (1) | CN103631076B (zh) |
HK (1) | HK1192948A1 (zh) |
TW (1) | TWI485439B (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015056381A1 (ja) * | 2013-10-17 | 2015-04-23 | ソニー株式会社 | 光源装置、及び画像表示装置 |
US9753298B2 (en) | 2014-04-08 | 2017-09-05 | Omnivision Technologies, Inc. | Reducing speckle in projected images |
US10051209B2 (en) * | 2014-04-09 | 2018-08-14 | Omnivision Technologies, Inc. | Combined visible and non-visible projection system |
US9778478B1 (en) * | 2016-10-04 | 2017-10-03 | Christine Digital Systems Usa, Inc. | Projector with image plane modal vibration for speckle reduction |
US11838691B2 (en) | 2017-03-14 | 2023-12-05 | Snap Inc. | Laser illumination system with reduced speckle via phase shift |
JP6972609B2 (ja) * | 2017-03-28 | 2021-11-24 | セイコーエプソン株式会社 | 光射出装置および画像表示システム |
WO2018205036A1 (en) * | 2017-05-12 | 2018-11-15 | Mtt Innovation Incorporated | High brightness projection systems and methods |
IL311395A (en) * | 2017-07-06 | 2024-05-01 | Magic Leap Inc | Reducing color spots in virtual and augmented reality systems and methods |
WO2019181404A1 (ja) * | 2018-03-20 | 2019-09-26 | ソニー株式会社 | 画像表示装置 |
CN108333780A (zh) * | 2018-04-20 | 2018-07-27 | 深圳创维新世界科技有限公司 | 近眼显示系统 |
CN111258159B (zh) * | 2018-11-30 | 2022-07-12 | 中强光电股份有限公司 | 照明系统及投影装置 |
US11892654B2 (en) | 2019-10-07 | 2024-02-06 | Omnivision Technologies, Inc. | Passive speckle-suppressing diffusers and associated methods and illuminators |
CN113126410B (zh) | 2019-12-30 | 2022-07-15 | 中强光电股份有限公司 | 微机电装置与投影装置 |
EP3845955A1 (en) * | 2019-12-30 | 2021-07-07 | Coretronic Corporation | Microelectromechanical apparatus and projection apparatus |
CN111158205B (zh) * | 2019-12-31 | 2022-06-10 | 广景视睿科技(深圳)有限公司 | 一种投影仪及投影系统 |
JP2021136071A (ja) * | 2020-02-24 | 2021-09-13 | セイコーエプソン株式会社 | 光源装置、照明装置およびプロジェクター |
CN113495410A (zh) * | 2020-03-18 | 2021-10-12 | 深圳光峰科技股份有限公司 | 一种激光投影装置 |
WO2021256313A1 (ja) * | 2020-06-15 | 2021-12-23 | ソニーセミコンダクタソリューションズ株式会社 | 表示装置 |
Family Cites Families (33)
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US5029975A (en) | 1990-01-24 | 1991-07-09 | The Mitre Corporation | Despeckling screen utilizing optical fibers and method of reducing interference using same |
US6229640B1 (en) * | 1999-08-11 | 2001-05-08 | Adc Telecommunications, Inc. | Microelectromechanical optical switch and method of manufacture thereof |
US8042740B2 (en) | 2000-11-24 | 2011-10-25 | Metrologic Instruments, Inc. | Method of reading bar code symbols on objects at a point-of-sale station by passing said objects through a complex of stationary coplanar illumination and imaging planes projected into a 3D imaging volume |
US6791739B2 (en) | 2001-08-08 | 2004-09-14 | Eastman Kodak Company | Electro-optic despeckling modulator and method of use |
US6594090B2 (en) * | 2001-08-27 | 2003-07-15 | Eastman Kodak Company | Laser projection display system |
CN100524000C (zh) * | 2003-07-22 | 2009-08-05 | 松下电器产业株式会社 | 二维成像装置 |
US7202466B2 (en) * | 2003-08-25 | 2007-04-10 | Cadent Ltd. | Apparatus and method for providing high intensity non-coherent light and for speckle reduction |
US7706048B2 (en) * | 2003-11-01 | 2010-04-27 | Silicon Quest Kabushiki-Kaisha | Speckle reduction method |
KR20060010419A (ko) | 2004-07-28 | 2006-02-02 | 삼성전자주식회사 | 구동각도가 향상된 광스캐너 및 이를 적용한 레이저영상투사장치 |
WO2006015722A1 (de) * | 2004-08-04 | 2006-02-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zur darstellung statischer oder bewegter bilder |
US7646518B2 (en) * | 2005-02-25 | 2010-01-12 | Panasonic Corporation | Two dimensional image forming device |
CN101142524A (zh) * | 2005-03-16 | 2008-03-12 | 松下电器产业株式会社 | 图像投影器 |
JP4987708B2 (ja) * | 2005-06-20 | 2012-07-25 | パナソニック株式会社 | 2次元画像表示装置、照明光源及び露光照明装置 |
JP2007052226A (ja) * | 2005-08-18 | 2007-03-01 | Seiko Epson Corp | 照明装置及びプロジェクタ |
JP4581946B2 (ja) * | 2005-09-29 | 2010-11-17 | セイコーエプソン株式会社 | 画像表示装置 |
US20080079904A1 (en) * | 2006-09-30 | 2008-04-03 | Texas Instruments Incorporated | Display systems with spatial light modulators |
US20080106779A1 (en) | 2006-11-02 | 2008-05-08 | Infocus Corporation | Laser Despeckle Device |
US8226247B2 (en) * | 2007-06-12 | 2012-07-24 | Panasonic Corporation | Projection type image display device |
TWI359282B (en) | 2007-10-09 | 2012-03-01 | Coretronic Corp | Projector |
JP5456688B2 (ja) * | 2007-11-30 | 2014-04-02 | ポイボス ビジョン オプト−エレクトロニクス テクノロジー リミテッド | 投影システムに用いる光源装置並びに投影表示装置 |
GB2456170B (en) | 2008-01-07 | 2012-11-21 | Light Blue Optics Ltd | Holographic image display systems |
US8427727B2 (en) * | 2008-01-22 | 2013-04-23 | Alcatel Lucent | Oscillating mirror for image projection |
US8109638B2 (en) * | 2008-01-22 | 2012-02-07 | Alcatel Lucent | Diffuser configuration for an image projector |
ATE478357T1 (de) | 2008-04-15 | 2010-09-15 | Jds Uniphase Corp | Auf einem wellenlängenplättchen basierende vorrichtung und methode zur reduzierung von speckles in laserbeleuchtungssystemen |
JP5304380B2 (ja) | 2008-07-23 | 2013-10-02 | 株式会社リコー | 光走査装置、これを用いた画像投影装置、ヘッドアップディスプレイ装置および携帯電話機 |
US7969644B2 (en) | 2008-09-02 | 2011-06-28 | Elbit Systems Of America, Llc | System and method for despeckling an image illuminated by a coherent light source |
TWI384255B (zh) | 2008-10-14 | 2013-02-01 | Young Optics Inc | 投影取像裝置 |
US8226241B2 (en) * | 2009-05-15 | 2012-07-24 | Alcatel Lucent | Image projector employing a speckle-reducing laser source |
CN201780448U (zh) * | 2009-09-21 | 2011-03-30 | 红蝶科技(深圳)有限公司 | 一种图像均匀清晰的投影光学引擎 |
US8300159B2 (en) | 2010-04-22 | 2012-10-30 | Cordic Technology Co., Ltd. | Structure of pico projector |
JP5816844B2 (ja) | 2010-06-22 | 2015-11-18 | パナソニックIpマネジメント株式会社 | レーザプロジェクタ |
US20120002174A1 (en) | 2010-06-30 | 2012-01-05 | Shin-Gwo Shiue | Light source system of pico projector |
US8995061B2 (en) * | 2011-07-07 | 2015-03-31 | Reald Inc. | Speckle reduction using lenslet integrator |
-
2012
- 2012-08-23 US US13/593,316 patent/US8905548B2/en active Active
-
2013
- 2013-07-01 TW TW102123505A patent/TWI485439B/zh active
- 2013-07-11 CN CN201310291249.8A patent/CN103631076B/zh active Active
-
2014
- 2014-06-26 HK HK14106438.1A patent/HK1192948A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
HK1192948A1 (zh) | 2014-09-05 |
US20140055755A1 (en) | 2014-02-27 |
CN103631076A (zh) | 2014-03-12 |
TW201411196A (zh) | 2014-03-16 |
TWI485439B (zh) | 2015-05-21 |
US8905548B2 (en) | 2014-12-09 |
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