JP4999583B2 - 光走査装置及び走査型画像表示装置 - Google Patents

光走査装置及び走査型画像表示装置 Download PDF

Info

Publication number
JP4999583B2
JP4999583B2 JP2007187113A JP2007187113A JP4999583B2 JP 4999583 B2 JP4999583 B2 JP 4999583B2 JP 2007187113 A JP2007187113 A JP 2007187113A JP 2007187113 A JP2007187113 A JP 2007187113A JP 4999583 B2 JP4999583 B2 JP 4999583B2
Authority
JP
Japan
Prior art keywords
light
light beam
order diffracted
diffracted light
components
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
Application number
JP2007187113A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009025462A (ja
JP2009025462A5 (https=
Inventor
圭一郎 石原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP2007187113A priority Critical patent/JP4999583B2/ja
Priority to US12/171,407 priority patent/US8368971B2/en
Publication of JP2009025462A publication Critical patent/JP2009025462A/ja
Publication of JP2009025462A5 publication Critical patent/JP2009025462A5/ja
Application granted granted Critical
Publication of JP4999583B2 publication Critical patent/JP4999583B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/106—Scanning systems having diffraction gratings as scanning elements, e.g. holographic scanners
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Lenses (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2007187113A 2007-07-18 2007-07-18 光走査装置及び走査型画像表示装置 Expired - Fee Related JP4999583B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007187113A JP4999583B2 (ja) 2007-07-18 2007-07-18 光走査装置及び走査型画像表示装置
US12/171,407 US8368971B2 (en) 2007-07-18 2008-07-11 Light scanning apparatus and scanning display apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007187113A JP4999583B2 (ja) 2007-07-18 2007-07-18 光走査装置及び走査型画像表示装置

Publications (3)

Publication Number Publication Date
JP2009025462A JP2009025462A (ja) 2009-02-05
JP2009025462A5 JP2009025462A5 (https=) 2010-08-12
JP4999583B2 true JP4999583B2 (ja) 2012-08-15

Family

ID=40264626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007187113A Expired - Fee Related JP4999583B2 (ja) 2007-07-18 2007-07-18 光走査装置及び走査型画像表示装置

Country Status (2)

Country Link
US (1) US8368971B2 (https=)
JP (1) JP4999583B2 (https=)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010096634A1 (en) * 2009-02-23 2010-08-26 Dimensional Photonics International, Inc. Speckle noise reduction for a coherent illumination imaging system
JP5425893B2 (ja) * 2009-03-30 2014-02-26 アルプス電気株式会社 コリメートレンズ
US8172404B2 (en) 2009-05-21 2012-05-08 Eastman Kodak Company Projection with lenslet arrangement on speckle reduction element
US9010936B2 (en) 2010-04-28 2015-04-21 Lemoptix Sa Optical MEMS scanning micro-mirror with anti-speckle cover
WO2011134514A1 (en) * 2010-04-28 2011-11-03 Lemoptix Sa Micro-projection device with anti-speckle vibration mode
US8585206B2 (en) * 2010-06-29 2013-11-19 Corning Incorporated Methods for operating scanning laser projectors to reduce speckle and image flicker
US20120013812A1 (en) * 2010-07-13 2012-01-19 Jacques Gollier Systems And Methods For Reducing Speckle In Laser Projected Images
EP3064895B1 (en) 2010-09-07 2020-04-15 Dai Nippon Printing Co., Ltd. Linear illumination device
CN106933014B (zh) * 2010-09-07 2020-05-22 大日本印刷株式会社 光学模块
KR102227780B1 (ko) * 2010-09-07 2021-03-12 다이니폰 인사츠 가부시키가이샤 광학 모듈
JP5718662B2 (ja) * 2011-01-31 2015-05-13 株式会社ミツトヨ オートフォーカス装置
JP5621640B2 (ja) * 2011-02-09 2014-11-12 大日本印刷株式会社 コヒーレント光源を用いた照明装置
JP5765032B2 (ja) * 2011-04-14 2015-08-19 大日本印刷株式会社 照明装置、投射装置および投射型映像表示装置
US8955988B1 (en) 2011-04-28 2015-02-17 Rawles Llc Image modification in optical path
JP5168526B2 (ja) * 2011-05-10 2013-03-21 大日本印刷株式会社 投射型映像表示装置
KR20140043910A (ko) 2011-06-03 2014-04-11 톰슨 라이센싱 레이저 프로젝터에서 가변적인 톱니형 스캔
EP3713227A1 (en) * 2011-06-03 2020-09-23 Thomson Licensing Variable and interleaved scanning in laser projectors
JP5741341B2 (ja) * 2011-09-16 2015-07-01 大日本印刷株式会社 投射装置およびホログラム記録媒体
JP5856824B2 (ja) * 2011-11-28 2016-02-10 オリンパス株式会社 光走査装置および走査型顕微鏡装置
FR2993831B1 (fr) * 2012-07-27 2015-07-03 Valeo Vision Systeme d'eclairage adaptatif pour vehicule automobile
US10507759B2 (en) 2012-07-27 2019-12-17 Valeo Vision Adaptive lighting system for an automobile vehicle
JP6136258B2 (ja) * 2012-12-28 2017-05-31 旭硝子株式会社 投影装置
JP2014165328A (ja) 2013-02-25 2014-09-08 Sony Corp 半導体発光素子及び表示装置
JP2014165327A (ja) 2013-02-25 2014-09-08 Sony Corp 半導体発光素子及びその製造方法、並びに、表示装置
FR3007324B1 (fr) * 2013-06-20 2015-07-17 Michelin & Cie Pneumatique comportant un marquage a fort contraste
JP6123561B2 (ja) 2013-08-08 2017-05-10 ソニー株式会社 発光素子及びその製造方法、並びに、表示装置
US9470889B2 (en) 2013-09-09 2016-10-18 Mitsubishi Electric Corporation Laser scanning device
JP6287355B2 (ja) * 2014-03-05 2018-03-07 セイコーエプソン株式会社 プロジェクター
WO2015186668A1 (ja) * 2014-06-02 2015-12-10 旭硝子株式会社 映像投影構造体、映像投影構造体の製造方法、映像投影方法及び自動車用窓
CN112984461B (zh) * 2014-11-07 2024-02-02 大日本印刷株式会社 照明装置
WO2016103869A1 (ja) * 2014-12-26 2016-06-30 アルプス電気株式会社 画像処理装置
JP2016145938A (ja) * 2015-02-09 2016-08-12 アルプス電気株式会社 画像処理装置
US10758118B2 (en) * 2016-06-30 2020-09-01 Iridex Corporation Handheld ophthalmic laser system with replaceable contact tips and treatment guide
JP6923016B2 (ja) * 2018-05-24 2021-08-18 日本精機株式会社 光学素子およびプロジェクタ
JP2020020703A (ja) * 2018-08-02 2020-02-06 パイオニア株式会社 走査装置、走査装置の制御方法、プログラム及び記録媒体並びに測距装置
CN109309825B (zh) * 2018-11-26 2024-01-23 长兴博泰电子科技股份有限公司 一种激光动画投影装置及控制方法
US11029908B2 (en) * 2019-08-28 2021-06-08 Himax Display, Inc. Head mounted display apparatus
US12535583B2 (en) * 2020-04-23 2026-01-27 Duke University 3D sensing depth camera
US11644665B2 (en) * 2020-09-28 2023-05-09 Andrew Frauenglass Lateral scanning method and apparatus for generating uniform large area optical interference patterns
CN112817203B (zh) * 2020-12-31 2022-02-18 亿信科技发展有限公司 一种投影光机及其的控制方法、投影设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19703730A1 (de) 1997-01-31 1998-08-06 Daimler Benz Ag Verfahren und Vorrichtung zur Beseitigung von Bildspeckles bei scannender Laserbildprojektion
JP4519987B2 (ja) * 2000-04-13 2010-08-04 オリンパス株式会社 焦点検出装置
JP2003021800A (ja) 2001-07-10 2003-01-24 Canon Inc 投射型表示装置
JP4534453B2 (ja) 2003-09-04 2010-09-01 ソニー株式会社 投射型画像表示装置
JP4290095B2 (ja) * 2004-08-16 2009-07-01 キヤノン株式会社 表示光学系および画像表示システム
JP2008216575A (ja) * 2007-03-02 2008-09-18 Sony Corp 画像表示方法
US8045248B2 (en) * 2007-03-09 2011-10-25 Ricoh Company, Ltd. Optical scanning device and image forming apparatus

Also Published As

Publication number Publication date
JP2009025462A (ja) 2009-02-05
US8368971B2 (en) 2013-02-05
US20090021801A1 (en) 2009-01-22

Similar Documents

Publication Publication Date Title
JP4999583B2 (ja) 光走査装置及び走査型画像表示装置
JP2009025462A5 (https=)
US7484340B2 (en) Displaying optical system and image projection apparatus
JP6753490B2 (ja) 画像表示装置および移動体
JP5682692B2 (ja) 画像表示装置
EP2433175B1 (en) Optical projection system with lenslet arrangement on speckle reduction element
CN106662748B (zh) 图像显示装置
JP5732969B2 (ja) ヘッドアップディスプレイ装置
JP5168526B2 (ja) 投射型映像表示装置
TW507403B (en) Method and apparatus for reducing laser speckle
NL1030396C2 (nl) Belichtingssysteem om een laservlek te elimineren en projectiesysteem dat hetzelfde toepast.
JP5195991B2 (ja) 照明装置および表示装置
JP2009162825A5 (https=)
JP2009162825A (ja) 画像表示装置
JP2012527646A (ja) 面外運動可能なスペックル低減素子を有するレーザ光投射機
CN107148589A (zh) 平视显示装置
JP2010533889A (ja) レーザ投影のコヒーレントな画像化及びその装置
JP2013044800A (ja) 照明装置および表示装置
JP6451827B2 (ja) 画像表示装置及び移動体及び被走査面素子
JP2012527641A (ja) 曲面付スペックル低減素子を有する光投射機
JP4924069B2 (ja) 画像表示装置
JP5144508B2 (ja) 画像表示装置
JP3512431B2 (ja) 映像表示装置
JP2013092788A (ja) 照明装置及び光学装置
JP5901321B2 (ja) 画像表示装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100625

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20100625

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20111026

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20111101

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20111227

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120124

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120326

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20120417

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20120515

R151 Written notification of patent or utility model registration

Ref document number: 4999583

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150525

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees