WO2009019973A1 - レーザ投射装置および画像投射方法 - Google Patents

レーザ投射装置および画像投射方法 Download PDF

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Publication number
WO2009019973A1
WO2009019973A1 PCT/JP2008/063115 JP2008063115W WO2009019973A1 WO 2009019973 A1 WO2009019973 A1 WO 2009019973A1 JP 2008063115 W JP2008063115 W JP 2008063115W WO 2009019973 A1 WO2009019973 A1 WO 2009019973A1
Authority
WO
WIPO (PCT)
Prior art keywords
laser projector
projection method
projection
image projection
image
Prior art date
Application number
PCT/JP2008/063115
Other languages
English (en)
French (fr)
Inventor
Kenji Konno
Original Assignee
Konica Minolta Opto, Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Konica Minolta Opto, Inc. filed Critical Konica Minolta Opto, Inc.
Priority to EP08791396A priority Critical patent/EP2175305A4/en
Priority to CN200880101897XA priority patent/CN101772722B/zh
Priority to US12/671,778 priority patent/US8262235B2/en
Priority to JP2009526384A priority patent/JP5163649B2/ja
Publication of WO2009019973A1 publication Critical patent/WO2009019973A1/ja

Links

Classifications

    • 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
    • H04N9/3164—Modulator illumination systems using multiple 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
    • G02B27/48—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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • 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
    • 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
    • G02B27/141—Beam splitting or combining systems operating by reflection only using dichroic mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)

Abstract

　レーザ投射装置の投射光学系を構成する複数の光学素子のうち少なくとも１つの光学素子を、レーザ光の光軸方向に沿って周期的に変位させるための振動装置を備え、投射光学系から投射されるレーザ光の最小スポットの位置をレーザ光の光軸方向に沿って周期的に変位させることで、画像の解像度に大きな影響を与えずに、任意のスクリーンでの投射画像のスペックルを、人間の眼で認識できない程度に低減することができるレーザ投射装置および画像投射方法を提供することができる。
PCT/JP2008/063115 2007-08-09 2008-07-22 レーザ投射装置および画像投射方法 WO2009019973A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08791396A EP2175305A4 (en) 2007-08-09 2008-07-22 LASER PROJECTOR AND IMAGE PROJECTION METHOD
CN200880101897XA CN101772722B (zh) 2007-08-09 2008-07-22 激光投影装置以及图像投影方法
US12/671,778 US8262235B2 (en) 2007-08-09 2008-07-22 Laser projector and image projection method for projecting an image with reduced speckles on the projected laser light image
JP2009526384A JP5163649B2 (ja) 2007-08-09 2008-07-22 レーザ投射装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-207675 2007-08-09
JP2007207675 2007-08-09

Publications (1)

Publication Number Publication Date
WO2009019973A1 true WO2009019973A1 (ja) 2009-02-12

Family

ID=40341209

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/063115 WO2009019973A1 (ja) 2007-08-09 2008-07-22 レーザ投射装置および画像投射方法

Country Status (5)

Country Link
US (1) US8262235B2 (ja)
EP (1) EP2175305A4 (ja)
JP (1) JP5163649B2 (ja)
CN (1) CN101772722B (ja)
WO (1) WO2009019973A1 (ja)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010237492A (ja) * 2009-03-31 2010-10-21 Stanley Electric Co Ltd 光偏向器用アクチュエータ装置
JP2010281904A (ja) * 2009-06-02 2010-12-16 Ricoh Co Ltd 画像表示装置
JP2011102901A (ja) * 2009-11-11 2011-05-26 Konica Minolta Opto Inc 集積光源、プロジェクタ装置、及びモバイル機器
JP2011145387A (ja) * 2010-01-13 2011-07-28 Ricoh Co Ltd カップリングレンズおよび該カップリングレンズを有する投影型画像表示装置
US20120044557A1 (en) * 2010-08-19 2012-02-23 Sony Corporation Optical apparatus and display apparatus
US8262235B2 (en) 2007-08-09 2012-09-11 Konica Minolta Opto, Inc. Laser projector and image projection method for projecting an image with reduced speckles on the projected laser light image
JP2013083988A (ja) * 2010-10-04 2013-05-09 Sony Corp 照明装置および表示装置
CN104155832A (zh) * 2013-05-14 2014-11-19 罗伯特·博世有限公司 用于将激光射束投影到投影平面上的激光投影装置和方法
CN105700169A (zh) * 2016-04-20 2016-06-22 苏州全谱光电科技有限公司 一种消除激光投影散斑装置
US9500780B2 (en) 2010-10-04 2016-11-22 Sony Corporation Illumination device and display apparatus
CN106324855A (zh) * 2010-11-24 2017-01-11 青岛海信电器股份有限公司 投影机光源及投影机
JP2017516151A (ja) * 2014-05-19 2017-06-15 深▲せん▼市繹立鋭光科技開発有限公司Ａｐｐｏｔｒｏｎｉｃｓ（Ｃｈｉｎａ）Ｃｏｒｐｏｒａｔｉｏｎ 光源モジュール及び投影デバイス
US9829704B2 (en) 2014-07-30 2017-11-28 Denso Corporation Head-up display device
US9989778B2 (en) 2015-11-25 2018-06-05 Panasonic Intellectual Property Management Co., Ltd. Image display device

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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CN101923186A (zh) * 2010-09-10 2010-12-22 福建师范大学 具有消除激光散斑功能的投影系统
WO2012129785A1 (zh) * 2011-03-30 2012-10-04 青岛海信信芯科技有限公司 激光投影光源模块及其光束整形方法、激光显示设备
CN102147563A (zh) * 2011-03-30 2011-08-10 青岛海信电器股份有限公司 激光投影光源模块及其光束整形方法、激光显示设备
CN102736381A (zh) * 2011-04-09 2012-10-17 上海三鑫科技发展有限公司 反射型微型投影机用光学引擎
US9164365B2 (en) 2011-11-08 2015-10-20 Reald Inc. Imaging path speckle mitigation
JP2015145934A (ja) * 2014-02-03 2015-08-13 セイコーエプソン株式会社 プロジェクター
JP6270674B2 (ja) * 2014-02-27 2018-01-31 シチズン時計株式会社 投影装置
JP6338027B2 (ja) * 2015-11-20 2018-06-06 大日本印刷株式会社 照明装置
CN105573037B (zh) * 2015-12-31 2017-09-01 海信集团有限公司 一种激光光源及激光投影设备
US10962764B2 (en) 2016-04-01 2021-03-30 Intel Corporation Laser projector and camera
WO2018015991A1 (ja) * 2016-07-19 2018-01-25 マクセル株式会社 投写型映像表示装置
CN108681191A (zh) * 2018-05-18 2018-10-19 中国科学院理化技术研究所 一种激光投影装置和减弱激光散斑的方法
WO2020202011A1 (en) * 2019-04-01 2020-10-08 Mcmaster University Speckle reduced laser image projection method and apparatus
DE102021130561A1 (de) 2021-11-23 2023-05-25 Carl Zeiss Jena Gmbh Projektor oder display mit scannender lichtquelle und pixeliertem array

Citations (7)

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JP2003021806A (ja) 2001-07-09 2003-01-24 Matsushita Electric Ind Co Ltd 背面投射型ディスプレイ
JP2005128563A (ja) * 2004-12-01 2005-05-19 Seiko Epson Corp 投写型表示装置
JP2006047422A (ja) * 2004-07-30 2006-02-16 Canon Inc 表示光学系および画像投射装置
WO2006050263A2 (en) * 2004-10-31 2006-05-11 Symbol Technologies, Inc. Method and apparatus for controllably producing a laser display
JP2006284749A (ja) 2005-03-31 2006-10-19 Canon Inc 走査型表示装置
JP2006343464A (ja) * 2005-06-08 2006-12-21 Matsushita Electric Ind Co Ltd ２次元画像表示装置
JP2006343663A (ja) 2005-06-10 2006-12-21 Sony Corp 画像投影装置及びこれに用いるスクリーン

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JPS5565940A (en) 1978-11-13 1980-05-17 Matsushita Electric Ind Co Ltd Laser image display device
JPS6052822A (ja) 1983-09-02 1985-03-26 Tokyo Erekutoron Kk レーザｃｖｄ装置
US6869185B2 (en) * 2002-10-16 2005-03-22 Eastman Kodak Company Display systems using organic laser light sources
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Patent Citations (7)

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JP2003021806A (ja) 2001-07-09 2003-01-24 Matsushita Electric Ind Co Ltd 背面投射型ディスプレイ
JP2006047422A (ja) * 2004-07-30 2006-02-16 Canon Inc 表示光学系および画像投射装置
WO2006050263A2 (en) * 2004-10-31 2006-05-11 Symbol Technologies, Inc. Method and apparatus for controllably producing a laser display
JP2005128563A (ja) * 2004-12-01 2005-05-19 Seiko Epson Corp 投写型表示装置
JP2006284749A (ja) 2005-03-31 2006-10-19 Canon Inc 走査型表示装置
JP2006343464A (ja) * 2005-06-08 2006-12-21 Matsushita Electric Ind Co Ltd ２次元画像表示装置
JP2006343663A (ja) 2005-06-10 2006-12-21 Sony Corp 画像投影装置及びこれに用いるスクリーン

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Title
See also references of EP2175305A4

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8262235B2 (en) 2007-08-09 2012-09-11 Konica Minolta Opto, Inc. Laser projector and image projection method for projecting an image with reduced speckles on the projected laser light image
US8456727B2 (en) 2009-03-31 2013-06-04 Stanley Electric Co., Ltd. Actuator device for optical deflector
JP2010237492A (ja) * 2009-03-31 2010-10-21 Stanley Electric Co Ltd 光偏向器用アクチュエータ装置
JP2010281904A (ja) * 2009-06-02 2010-12-16 Ricoh Co Ltd 画像表示装置
JP2011102901A (ja) * 2009-11-11 2011-05-26 Konica Minolta Opto Inc 集積光源、プロジェクタ装置、及びモバイル機器
JP2011145387A (ja) * 2010-01-13 2011-07-28 Ricoh Co Ltd カップリングレンズおよび該カップリングレンズを有する投影型画像表示装置
US20120044557A1 (en) * 2010-08-19 2012-02-23 Sony Corporation Optical apparatus and display apparatus
US9110307B2 (en) * 2010-08-19 2015-08-18 Sony Corporation Optical apparatus including a holding member having an opening or a cutout, and display including the optical apparatus
US9500780B2 (en) 2010-10-04 2016-11-22 Sony Corporation Illumination device and display apparatus
JP2013083988A (ja) * 2010-10-04 2013-05-09 Sony Corp 照明装置および表示装置
US10491869B2 (en) 2010-10-04 2019-11-26 Sony Corporation Illumination device and display apparatus
CN106324855A (zh) * 2010-11-24 2017-01-11 青岛海信电器股份有限公司 投影机光源及投影机
CN104155832B (zh) * 2013-05-14 2018-04-06 罗伯特·博世有限公司 用于将激光射束投影到投影平面上的激光投影装置和方法
CN104155832A (zh) * 2013-05-14 2014-11-19 罗伯特·博世有限公司 用于将激光射束投影到投影平面上的激光投影装置和方法
JP2017516151A (ja) * 2014-05-19 2017-06-15 深▲せん▼市繹立鋭光科技開発有限公司Ａｐｐｏｔｒｏｎｉｃｓ（Ｃｈｉｎａ）Ｃｏｒｐｏｒａｔｉｏｎ 光源モジュール及び投影デバイス
US9829704B2 (en) 2014-07-30 2017-11-28 Denso Corporation Head-up display device
US9989778B2 (en) 2015-11-25 2018-06-05 Panasonic Intellectual Property Management Co., Ltd. Image display device
CN105700169A (zh) * 2016-04-20 2016-06-22 苏州全谱光电科技有限公司 一种消除激光投影散斑装置

Also Published As

Publication number Publication date
EP2175305A1 (en) 2010-04-14
CN101772722A (zh) 2010-07-07
CN101772722B (zh) 2012-06-20
JP5163649B2 (ja) 2013-03-13
EP2175305A4 (en) 2010-09-29
US20110235003A1 (en) 2011-09-29
JPWO2009019973A1 (ja) 2010-10-28
US8262235B2 (en) 2012-09-11

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