CN102445825B - 激光投影仪 - Google Patents
激光投影仪 Download PDFInfo
- Publication number
- CN102445825B CN102445825B CN201110306176.6A CN201110306176A CN102445825B CN 102445825 B CN102445825 B CN 102445825B CN 201110306176 A CN201110306176 A CN 201110306176A CN 102445825 B CN102445825 B CN 102445825B
- Authority
- CN
- China
- Prior art keywords
- laser
- output
- light source
- time
- intensity
- 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.)
- Active
Links
- 230000005484 gravity Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 8
- 230000019771 cognition Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4087—Array arrangements, e.g. constituted by discrete laser diodes or laser bar emitting more than one wavelength
- H01S5/4093—Red, green and blue [RGB] generated directly by laser action or by a combination of laser action with nonlinear frequency conversion
-
- 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]
- H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
- H01S5/0071—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for beam steering, e.g. using a mirror outside the cavity to change the beam direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Signal Processing (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Semiconductor Lasers (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Projection Apparatus (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-224470 | 2010-10-04 | ||
JP2010224470A JP5501187B2 (ja) | 2010-10-04 | 2010-10-04 | レーザプロジェクタ |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102445825A CN102445825A (zh) | 2012-05-09 |
CN102445825B true CN102445825B (zh) | 2014-12-03 |
Family
ID=45889793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110306176.6A Active CN102445825B (zh) | 2010-10-04 | 2011-09-30 | 激光投影仪 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8757816B2 (zh) |
JP (1) | JP5501187B2 (zh) |
CN (1) | CN102445825B (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10514713B2 (en) | 2012-09-15 | 2019-12-24 | Ademco Inc. | Mailbox data storage system |
US9122255B2 (en) | 2012-09-15 | 2015-09-01 | Honeywell International Inc. | Remote access gateway configurable control system |
US10992494B2 (en) | 2012-09-15 | 2021-04-27 | Ademco Inc. | Gateway round-robin system |
US9705962B2 (en) | 2012-09-15 | 2017-07-11 | Honeywell International Inc. | Asynchronous reporting system |
JP2015037017A (ja) * | 2013-08-12 | 2015-02-23 | 東芝デジタルメディアエンジニアリング株式会社 | 導光系及び駆動制御方法 |
CN107111153B (zh) | 2014-12-31 | 2019-12-27 | 杜比实验室特许公司 | 用于图像投影仪的分立激光光纤输入 |
CN106210683A (zh) * | 2016-07-19 | 2016-12-07 | 广西家之宝网络科技有限公司 | 一种三维样板间成像系统 |
CN106060497A (zh) * | 2016-07-19 | 2016-10-26 | 广西家之宝网络科技有限公司 | 一种多通道立体激光成像系统 |
CN106060495A (zh) * | 2016-07-19 | 2016-10-26 | 广西家之宝网络科技有限公司 | 一种多通道软件激光成像系统 |
CN106199985A (zh) * | 2016-07-19 | 2016-12-07 | 广西家之宝网络科技有限公司 | 一种多通道虚拟立体成像系统 |
CN106131523A (zh) * | 2016-07-19 | 2016-11-16 | 广西家之宝网络科技有限公司 | 一种多通道软件成像系统 |
CN106101668A (zh) * | 2016-07-19 | 2016-11-09 | 广西家之宝网络科技有限公司 | 一种多通道软件成像系统 |
CN106162121A (zh) * | 2016-07-19 | 2016-11-23 | 广西家之宝网络科技有限公司 | 一种基于无线投影仪的多通道软件成像系统 |
CN106210680A (zh) * | 2016-07-19 | 2016-12-07 | 广西家之宝网络科技有限公司 | 一种多维样板间虚拟成像系统 |
CN106199986A (zh) * | 2016-07-19 | 2016-12-07 | 广西家之宝网络科技有限公司 | 一种多通道虚拟立体成像系统 |
CN106162122A (zh) * | 2016-07-19 | 2016-11-23 | 广西家之宝网络科技有限公司 | 一种多通道软件成像系统 |
CN108267916B (zh) * | 2016-12-30 | 2020-09-29 | 深圳光峰科技股份有限公司 | 激光光源及显示设备 |
CN108666861B (zh) | 2018-05-09 | 2019-12-06 | 歌尔股份有限公司 | 多激光器的驱动电流校正方法及装置、激光投影仪 |
CN110460828B (zh) * | 2019-08-22 | 2021-03-19 | 淮南师范学院 | 一种微机电扫描镜投射系统和方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101421661A (zh) * | 2006-04-12 | 2009-04-29 | 松下电器产业株式会社 | 图像显示装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5132463B2 (zh) | 1971-10-08 | 1976-09-13 | ||
US5313479A (en) | 1992-07-29 | 1994-05-17 | Texas Instruments Incorporated | Speckle-free display system using coherent light |
JP2003021800A (ja) | 2001-07-10 | 2003-01-24 | Canon Inc | 投射型表示装置 |
AU2003208566A1 (en) | 2003-01-08 | 2004-08-10 | Explay Ltd. | An image projecting device and method |
CN100590509C (zh) * | 2003-12-24 | 2010-02-17 | 松下电器产业株式会社 | 二维图像显示装置 |
WO2005078519A1 (ja) | 2004-02-18 | 2005-08-25 | Matsushita Electric Industrial Co., Ltd. | 投写型表示装置、および投写型表示方法 |
WO2005083492A1 (ja) * | 2004-02-27 | 2005-09-09 | Matsushita Electric Industrial Co., Ltd. | 照明光源及びそれを用いた2次元画像表示装置 |
JP4844087B2 (ja) | 2005-10-31 | 2011-12-21 | Jfeスチール株式会社 | 溶鋼中の窒素濃度調整方法及び大入熱用鋼の製造方法 |
JP2007163702A (ja) | 2005-12-12 | 2007-06-28 | Seiko Epson Corp | スペックルキャンセラ及びこれを用いたプロジェクタ |
WO2008015951A1 (fr) * | 2006-08-04 | 2008-02-07 | Panasonic Corporation | Dispositif d'affichage |
KR100828367B1 (ko) * | 2006-08-28 | 2008-05-08 | 삼성전자주식회사 | 레이저 디스플레이장치 |
JP2008268709A (ja) * | 2007-04-24 | 2008-11-06 | Sanyo Electric Co Ltd | 投写型映像表示装置 |
US8231224B2 (en) * | 2009-06-11 | 2012-07-31 | Microvision, Inc. | Apparent speckle reduction via beam offset diversity in pupil space |
US8585206B2 (en) * | 2010-06-29 | 2013-11-19 | Corning Incorporated | Methods for operating scanning laser projectors to reduce speckle and image flicker |
US8308302B2 (en) * | 2010-07-13 | 2012-11-13 | Microvision, Inc. | Laser scanning imaging system with reduced speckle |
US20120013852A1 (en) * | 2010-07-13 | 2012-01-19 | Microvision, Inc. | Alternating Beam Laser Imaging System with Reduced Speckle |
-
2010
- 2010-10-04 JP JP2010224470A patent/JP5501187B2/ja active Active
-
2011
- 2011-09-28 US US13/247,445 patent/US8757816B2/en active Active
- 2011-09-30 CN CN201110306176.6A patent/CN102445825B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101421661A (zh) * | 2006-04-12 | 2009-04-29 | 松下电器产业株式会社 | 图像显示装置 |
Non-Patent Citations (1)
Title |
---|
JP特表2006-513447A 2006.04.20 * |
Also Published As
Publication number | Publication date |
---|---|
US20120082177A1 (en) | 2012-04-05 |
US8757816B2 (en) | 2014-06-24 |
CN102445825A (zh) | 2012-05-09 |
JP5501187B2 (ja) | 2014-05-21 |
JP2012078611A (ja) | 2012-04-19 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI MAXELL LTD. Free format text: FORMER OWNER: HITACHI LTD. Effective date: 20150302 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150302 Address after: Osaka Japan Patentee after: Hitachi Maxell, Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Consumer Electronics Co.,Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20180302 Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Osaka Japan Patentee before: Hitachi Maxell, Ltd. |
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CP01 | Change in the name or title of a patent holder |
Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Kyoto Japan Patentee before: MAXELL HOLDINGS, Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220607 Address after: Kyoto Japan Patentee after: MAXELL HOLDINGS, Ltd. Address before: Kyoto Japan Patentee before: MAXELL, Ltd. |
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