CN104977788A - 用于图像投影仪的去斑光学系统 - Google Patents
用于图像投影仪的去斑光学系统 Download PDFInfo
- Publication number
- CN104977788A CN104977788A CN201410300995.3A CN201410300995A CN104977788A CN 104977788 A CN104977788 A CN 104977788A CN 201410300995 A CN201410300995 A CN 201410300995A CN 104977788 A CN104977788 A CN 104977788A
- Authority
- CN
- China
- Prior art keywords
- microlens array
- diffusing globe
- spot
- image projector
- optical system
- 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.)
- Granted
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
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/247,521 | 2014-04-08 | ||
US14/247,521 US9753298B2 (en) | 2014-04-08 | 2014-04-08 | Reducing speckle in projected images |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104977788A true CN104977788A (zh) | 2015-10-14 |
CN104977788B CN104977788B (zh) | 2017-11-28 |
Family
ID=54209646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410300995.3A Active CN104977788B (zh) | 2014-04-08 | 2014-06-26 | 用于图像投影仪的去斑光学系统 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9753298B2 (zh) |
CN (1) | CN104977788B (zh) |
HK (1) | HK1212781A1 (zh) |
TW (1) | TWI551891B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10718998B2 (en) | 2016-07-22 | 2020-07-21 | Sony Corporation | Illumination device and display unit |
CN112022343A (zh) * | 2020-09-01 | 2020-12-04 | 北京大学第三医院(北京大学第三临床医学院) | 一种智能激光去斑系统 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10274745B2 (en) * | 2014-08-14 | 2019-04-30 | Bae Systems Information And Electronic Systems Integration Inc. | System for uniformly illuminating target to reduce speckling |
JP2017116682A (ja) * | 2015-12-24 | 2017-06-29 | カシオ計算機株式会社 | 投影装置 |
EP3711123A4 (en) * | 2017-11-16 | 2021-08-25 | Princeton Optronics, Inc. | STRUCTURED LIGHT ILLUMINATORS INCLUDING AN OPTICAL ELEMENT OF MAIN RAY CORRECTOR |
WO2020219711A1 (en) * | 2019-04-23 | 2020-10-29 | Evolution Optiks Limited | Light field display and vibrating light field shaping layer and vision testing and/or correction device |
US20220275926A1 (en) * | 2019-07-08 | 2022-09-01 | Optonomous Technologies, Inc. | Laser/phosphor, led and/or diffuser light sources with light recycling |
EP3845955A1 (en) * | 2019-12-30 | 2021-07-07 | Coretronic Corporation | Microelectromechanical apparatus and projection apparatus |
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 |
WO2021191648A1 (en) * | 2020-03-24 | 2021-09-30 | Wayray Ag | Diffuser with magnet drive |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6246526B1 (en) * | 1998-11-30 | 2001-06-12 | Canon Kabushiki Kaisha | Light irradiating apparatus and image displaying apparatus |
US20060227293A1 (en) * | 2003-07-22 | 2006-10-12 | Matsushita Electric Industrial Co., Ltd. | Two-dimensional image forming apparatus |
US20070035512A1 (en) * | 2005-07-26 | 2007-02-15 | Samsung Electronics Co., Ltd. | 3D image display device using integral imaging technology |
US20080079904A1 (en) * | 2006-09-30 | 2008-04-03 | Texas Instruments Incorporated | Display systems with spatial light modulators |
CN101176036A (zh) * | 2005-05-17 | 2008-05-07 | 松下电器产业株式会社 | 激光图像显示装置和激光图像显示屏幕 |
CN101855902A (zh) * | 2007-09-25 | 2010-10-06 | 以克斯普雷有限公司 | 微投影仪 |
US20110234985A1 (en) * | 2010-03-26 | 2011-09-29 | Alcatel-Lucent Usa Inc. | Despeckling laser-image-projection system |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
US7872800B2 (en) | 2004-08-04 | 2011-01-18 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Device and method for the presentation of static or moving images |
US7646518B2 (en) | 2005-02-25 | 2010-01-12 | Panasonic Corporation | Two dimensional image forming device |
JP4612043B2 (ja) | 2005-03-16 | 2011-01-12 | パナソニック株式会社 | 画像投影装置 |
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 |
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 |
US20100309439A1 (en) | 2007-11-30 | 2010-12-09 | Phoebus Vision Opto-Elec Tech Co., Ltd. | Light source for projection system and projection display apparatus |
GB2456170B (en) | 2008-01-07 | 2012-11-21 | Light Blue Optics Ltd | Holographic image display systems |
US8109638B2 (en) | 2008-01-22 | 2012-02-07 | Alcatel Lucent | Diffuser configuration for an image projector |
US8427727B2 (en) | 2008-01-22 | 2013-04-23 | Alcatel Lucent | Oscillating mirror for image projection |
DE602009000115D1 (de) | 2008-04-15 | 2010-09-30 | 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 |
TW201124751A (en) | 2010-01-15 | 2011-07-16 | Cheng Uei Prec Ind Co Ltd | Reducing speckle light source device and method of reducing speckle |
US8300159B2 (en) | 2010-04-22 | 2012-10-30 | Cordic Technology Co., Ltd. | Structure of pico projector |
CN102483565B (zh) | 2010-06-22 | 2014-12-03 | 松下电器产业株式会社 | 激光投影仪 |
US20120002174A1 (en) | 2010-06-30 | 2012-01-05 | Shin-Gwo Shiue | Light source system of pico projector |
TW201237540A (en) | 2011-03-11 | 2012-09-16 | Alvis Technologies Corp | Laser speckle suppression device of laser projection system and suppression method thereof |
US8995061B2 (en) | 2011-07-07 | 2015-03-31 | Reald Inc. | Speckle reduction using lenslet integrator |
JP5920095B2 (ja) | 2012-07-31 | 2016-05-18 | 株式会社Jvcケンウッド | 画像表示装置 |
US8905548B2 (en) | 2012-08-23 | 2014-12-09 | Omnivision Technologies, Inc. | Device and method for reducing speckle in projected images |
JP2014059513A (ja) | 2012-09-19 | 2014-04-03 | Casio Comput Co Ltd | プロジェクタ |
-
2014
- 2014-04-08 US US14/247,521 patent/US9753298B2/en active Active
- 2014-06-26 CN CN201410300995.3A patent/CN104977788B/zh active Active
- 2014-07-29 TW TW103125892A patent/TWI551891B/zh active
-
2016
- 2016-01-21 HK HK16100667.4A patent/HK1212781A1/zh unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6246526B1 (en) * | 1998-11-30 | 2001-06-12 | Canon Kabushiki Kaisha | Light irradiating apparatus and image displaying apparatus |
US20060227293A1 (en) * | 2003-07-22 | 2006-10-12 | Matsushita Electric Industrial Co., Ltd. | Two-dimensional image forming apparatus |
CN101176036A (zh) * | 2005-05-17 | 2008-05-07 | 松下电器产业株式会社 | 激光图像显示装置和激光图像显示屏幕 |
US20070035512A1 (en) * | 2005-07-26 | 2007-02-15 | Samsung Electronics Co., Ltd. | 3D image display device using integral imaging technology |
US20080079904A1 (en) * | 2006-09-30 | 2008-04-03 | Texas Instruments Incorporated | Display systems with spatial light modulators |
CN101855902A (zh) * | 2007-09-25 | 2010-10-06 | 以克斯普雷有限公司 | 微投影仪 |
US20110234985A1 (en) * | 2010-03-26 | 2011-09-29 | Alcatel-Lucent Usa Inc. | Despeckling laser-image-projection system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10718998B2 (en) | 2016-07-22 | 2020-07-21 | Sony Corporation | Illumination device and display unit |
CN112022343A (zh) * | 2020-09-01 | 2020-12-04 | 北京大学第三医院(北京大学第三临床医学院) | 一种智能激光去斑系统 |
Also Published As
Publication number | Publication date |
---|---|
US20150286064A1 (en) | 2015-10-08 |
HK1212781A1 (zh) | 2016-06-17 |
TWI551891B (zh) | 2016-10-01 |
TW201539043A (zh) | 2015-10-16 |
US9753298B2 (en) | 2017-09-05 |
CN104977788B (zh) | 2017-11-28 |
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