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WO2009004991A1 - 光走査装置及び画像表示装置及び網膜走査型画像表示装置 - Google Patents

光走査装置及び画像表示装置及び網膜走査型画像表示装置 Download PDF

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Publication number
WO2009004991A1
WO2009004991A1 PCT/JP2008/061700 JP2008061700W WO2009004991A1 WO 2009004991 A1 WO2009004991 A1 WO 2009004991A1 JP 2008061700 W JP2008061700 W JP 2008061700W WO 2009004991 A1 WO2009004991 A1 WO 2009004991A1
Authority
WO
WIPO (PCT)
Prior art keywords
image display
light flux
display device
optical scanning
detector
Prior art date
Application number
PCT/JP2008/061700
Other languages
English (en)
French (fr)
Inventor
Haruhisa Takayama
Original Assignee
Brother Kogyo Kabushiki Kaisha
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 Brother Kogyo Kabushiki Kaisha filed Critical Brother Kogyo Kabushiki Kaisha
Priority to EP08790665A priority Critical patent/EP2169443A4/en
Publication of WO2009004991A1 publication Critical patent/WO2009004991A1/ja
Priority to US12/654,603 priority patent/US8422107B2/en

Links

Classifications

    • 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
    • G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/02—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes by tracing or scanning a light beam on a screen
    • 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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0464—Positioning
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/18—Timing circuits for raster scan displays

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Eye Examination Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

　光源から出射される光束を往復走査し、検出器によって発光源からの光束の出射タイミングを決定する光走査装置において、光束の光を検出する検出器の位置精度に関係なく、発光源からの光束の出射タイミングを一定にして、画像の劣化を防止することができる光走査装置を提供する。 　光走査装置には、光検出器から連続して出力される２つのパルス信号の一方のパルス信号の立ち上がりエッジタイミングと他方のパルス信号の立ち下がりエッジタイミングとを検出し、これらのエッジタイミングの中間タイミングに基づいて基準信号を生成する基準信号生成器が配設されている。これにより、光検出器の位置精度が出ない場合であっても、発光源からの出射タイミングのずれが生じにくくなる。このため、光束の走査位置のずれが抑制でき、光走査による画像の表示におけるずれなどの不具合を防止できる。
PCT/JP2008/061700 2007-06-29 2008-06-27 光走査装置及び画像表示装置及び網膜走査型画像表示装置 WO2009004991A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08790665A EP2169443A4 (en) 2007-06-29 2008-06-27 OPTICAL SCANNING DEVICE, IMAGE DISPLAY DEVICE, RETINAL SCANNING TYPE IMAGE DISPLAY DEVICE
US12/654,603 US8422107B2 (en) 2007-06-29 2009-12-24 Optical scanning device, image display device and retinal scanning display

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-173465 2007-06-29
JP2007173465A JP2009014791A (ja) 2007-06-29 2007-06-29 光走査装置及び画像表示装置及び網膜走査型画像表示装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/654,603 Continuation-In-Part US8422107B2 (en) 2007-06-29 2009-12-24 Optical scanning device, image display device and retinal scanning display

Publications (1)

Publication Number Publication Date
WO2009004991A1 true WO2009004991A1 (ja) 2009-01-08

Family

ID=40226037

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/061700 WO2009004991A1 (ja) 2007-06-29 2008-06-27 光走査装置及び画像表示装置及び網膜走査型画像表示装置

Country Status (4)

Country Link
US (1) US8422107B2 (ja)
EP (1) EP2169443A4 (ja)
JP (1) JP2009014791A (ja)
WO (1) WO2009004991A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011136065A1 (ja) * 2010-04-26 2011-11-03 日本電気株式会社 画像表示装置および発光タイミング制御方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5114175B2 (ja) * 2007-12-11 2013-01-09 株式会社リコー 光走査装置及びカラー画像形成装置
EP2725508A1 (en) * 2012-10-24 2014-04-30 Nidek Co., Ltd. Ophthalmic analysis apparatus
US9812592B2 (en) * 2012-12-21 2017-11-07 Sunpower Corporation Metal-foil-assisted fabrication of thin-silicon solar cell
JP6269446B2 (ja) * 2014-11-10 2018-01-31 株式会社Ｊｖｃケンウッド 画像表示装置及びその制御方法
JP6516501B2 (ja) * 2015-02-17 2019-05-22 キヤノン株式会社 走査光学装置及び画像形成装置
US9740135B2 (en) * 2015-02-17 2017-08-22 Canon Kabushiki Kaisha Optical scanning device
WO2017221792A1 (en) * 2016-06-20 2017-12-28 Ricoh Company, Ltd. Control device, image projection apparatus, and control method
JP6946708B2 (ja) * 2016-06-20 2021-10-06 株式会社リコー 制御装置、画像投影装置、および制御方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05323220A (ja) * 1992-05-20 1993-12-07 Hamamatsu Photonics Kk 同期検出装置
JPH0894959A (ja) * 1994-09-28 1996-04-12 Minolta Co Ltd 画像出力装置
JP2004301973A (ja) * 2003-03-31 2004-10-28 Nippon Signal Co Ltd:The 光走査装置及びその光ビーム発射タイミング調整方法
JP2005181477A (ja) 2003-12-17 2005-07-07 Brother Ind Ltd 光スキャナおよびそれを備えた画像形成装置
JP2007094279A (ja) * 2005-09-30 2007-04-12 Brother Ind Ltd 光結合器及び画像表示装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0523220A (ja) 1990-11-30 1993-02-02 Hideyo Niida 紫外線灯付き歯ブラシケース
EP1275998B1 (en) 2001-07-11 2005-03-16 Canon Kabushiki Kaisha Light beam deflecting apparatus, image forming apparatus utilizing the same and drive method therefor
US6937372B2 (en) * 2001-07-11 2005-08-30 Canon Kabushiki Kaisha Light beam deflecting apparatus, image forming apparatus utilizing the same and drive method therefor
JP4174252B2 (ja) 2001-07-11 2008-10-29 キヤノン株式会社 光偏向装置、それを用いた画像形成装置およびその駆動方法
US7064876B2 (en) * 2003-07-29 2006-06-20 Lexmark International, Inc. Resonant oscillating scanning device with multiple light sources
JP4423066B2 (ja) 2004-02-27 2010-03-03 キヤノン株式会社 光偏向器、及び画像形成装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05323220A (ja) * 1992-05-20 1993-12-07 Hamamatsu Photonics Kk 同期検出装置
JPH0894959A (ja) * 1994-09-28 1996-04-12 Minolta Co Ltd 画像出力装置
JP2004301973A (ja) * 2003-03-31 2004-10-28 Nippon Signal Co Ltd:The 光走査装置及びその光ビーム発射タイミング調整方法
JP2005181477A (ja) 2003-12-17 2005-07-07 Brother Ind Ltd 光スキャナおよびそれを備えた画像形成装置
JP2007094279A (ja) * 2005-09-30 2007-04-12 Brother Ind Ltd 光結合器及び画像表示装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2169443A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011136065A1 (ja) * 2010-04-26 2011-11-03 日本電気株式会社 画像表示装置および発光タイミング制御方法
US9160995B2 (en) 2010-04-26 2015-10-13 Nec Corporation Image display device and light emission timing control method

Also Published As

Publication number Publication date
US8422107B2 (en) 2013-04-16
US20100118369A1 (en) 2010-05-13
EP2169443A1 (en) 2010-03-31
EP2169443A4 (en) 2012-10-17
JP2009014791A (ja) 2009-01-22

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