CN108496112B - 投影仪以及投影仪的控制方法 - Google Patents

投影仪以及投影仪的控制方法 Download PDF

Info

Publication number
CN108496112B
CN108496112B CN201780008110.4A CN201780008110A CN108496112B CN 108496112 B CN108496112 B CN 108496112B CN 201780008110 A CN201780008110 A CN 201780008110A CN 108496112 B CN108496112 B CN 108496112B
Authority
CN
China
Prior art keywords
light
focus adjustment
projector
focus
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.)
Active
Application number
CN201780008110.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN108496112A (zh
Inventor
春日博文
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of CN108496112A publication Critical patent/CN108496112A/zh
Application granted granted Critical
Publication of CN108496112B publication Critical patent/CN108496112B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G03B21/142—Adjusting of projection optics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • 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
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • 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
    • H04N9/3167—Modulator illumination systems for polarizing the light beam
    • 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
    • H04N9/317—Convergence or focusing systems
    • 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]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/294—Variable focal length devices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/28—Function characteristic focussing or defocussing
    • 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
    • G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Liquid Crystal (AREA)
CN201780008110.4A 2016-01-26 2017-01-18 投影仪以及投影仪的控制方法 Active CN108496112B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016012122A JP6679950B2 (ja) 2016-01-26 2016-01-26 プロジェクター、及びプロジェクターの制御方法
JP2016-012122 2016-01-26
PCT/JP2017/001568 WO2017130817A1 (ja) 2016-01-26 2017-01-18 プロジェクター、及びプロジェクターの制御方法

Publications (2)

Publication Number Publication Date
CN108496112A CN108496112A (zh) 2018-09-04
CN108496112B true CN108496112B (zh) 2021-03-12

Family

ID=59397769

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780008110.4A Active CN108496112B (zh) 2016-01-26 2017-01-18 投影仪以及投影仪的控制方法

Country Status (4)

Country Link
US (1) US20190018306A1 (enExample)
JP (1) JP6679950B2 (enExample)
CN (1) CN108496112B (enExample)
WO (1) WO2017130817A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10481363B2 (en) * 2016-02-03 2019-11-19 Nec Display Solutions, Ltd. Projector and focus adjustment method
CN113596421B (zh) * 2019-10-31 2024-05-14 峰米(北京)科技有限公司 一种热失焦补偿方法、存储介质和投影设备
JP7705703B2 (ja) * 2020-02-20 2025-07-10 株式会社インフォマティクス 投影装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002214579A (ja) * 2001-01-19 2002-07-31 Ricoh Co Ltd 画像表示装置
CN102647574A (zh) * 2011-02-16 2012-08-22 三洋电机株式会社 投影型映像显示装置以及图像调整方法
CN102866481A (zh) * 2011-07-04 2013-01-09 精工爱普生株式会社 投影光学系统及具备该投影光学系统的投影机
CN103327274A (zh) * 2012-03-21 2013-09-25 精工爱普生株式会社 图像处理装置、投影仪、以及投影仪的控制方法
CN108292084A (zh) * 2015-11-18 2018-07-17 麦克赛尔株式会社 图像投影装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2935805B2 (ja) * 1994-03-23 1999-08-16 ローム株式会社 自動焦点プロジェクター
US6729734B2 (en) * 2002-04-01 2004-05-04 Hewlett-Packard Development Company, L.P. System for enhancing the quality of an image
US6992748B2 (en) * 2002-06-10 2006-01-31 Reveo, Inc. Scalable and mass-manufacturable OXC using liquid crystal cells
US20050259226A1 (en) * 2004-05-20 2005-11-24 Gilg Thomas J Methods and apparatuses for presenting an image
JP2006317795A (ja) * 2005-05-13 2006-11-24 Toshiba Corp 投射装置と投射装置の測距方法
US7486341B2 (en) * 2005-11-03 2009-02-03 University Of Central Florida Research Foundation, Inc. Head mounted display with eye accommodation having 3-D image producing system consisting of, for each eye, one single planar display screen, one single planar tunable focus LC micro-lens array, one single planar black mask and bias lens
US20100201952A1 (en) * 2009-02-06 2010-08-12 Seiko Epson Corporation Projector
JP2010243545A (ja) * 2009-04-01 2010-10-28 Seiko Epson Corp プロジェクターの光変調素子位置調整方法およびプロジェクター
US20120147342A1 (en) * 2010-12-14 2012-06-14 National Chiao Tung University Projection apparatus
DE102011076083A1 (de) * 2011-05-18 2012-11-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Projektionsdisplay und Verfahren zum Anzeigen eines Gesamtbildes für Projektionsfreiformflächen oder verkippte Projektionsflächen
WO2014115884A1 (ja) * 2013-01-28 2014-07-31 株式会社Ｊｖｃケンウッド 投射装置、画像補正方法およびプログラム
JP6149543B2 (ja) * 2013-06-28 2017-06-21 アイシン・エィ・ダブリュ株式会社 ヘッドアップディスプレイ装置
JP6138634B2 (ja) * 2013-08-29 2017-05-31 アイシン・エィ・ダブリュ株式会社 ヘッドアップディスプレイ装置
JP6287437B2 (ja) * 2014-03-26 2018-03-07 セイコーエプソン株式会社 プロジェクター
DE102015110502A1 (de) * 2014-07-04 2016-01-07 Seereal Technologies S.A. Projektionsvorrichtung und Verfahren zum Darstellen einer zweidimensionalen und/oder dreidimensionalen Szene oder von Inhalt
US10506290B2 (en) * 2014-09-25 2019-12-10 Lg Electronics Inc. Image information projection device and projection device control method
JP2016109963A (ja) * 2014-12-09 2016-06-20 株式会社リコー 画像投射装置及び焦点距離算出方法
JP6515589B2 (ja) * 2015-03-02 2019-05-22 セイコーエプソン株式会社 プロジェクター及び透過型表示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002214579A (ja) * 2001-01-19 2002-07-31 Ricoh Co Ltd 画像表示装置
CN102647574A (zh) * 2011-02-16 2012-08-22 三洋电机株式会社 投影型映像显示装置以及图像调整方法
CN102866481A (zh) * 2011-07-04 2013-01-09 精工爱普生株式会社 投影光学系统及具备该投影光学系统的投影机
CN103327274A (zh) * 2012-03-21 2013-09-25 精工爱普生株式会社 图像处理装置、投影仪、以及投影仪的控制方法
CN108292084A (zh) * 2015-11-18 2018-07-17 麦克赛尔株式会社 图像投影装置

Also Published As

Publication number Publication date
CN108496112A (zh) 2018-09-04
US20190018306A1 (en) 2019-01-17
WO2017130817A1 (ja) 2017-08-03
JP2017134144A (ja) 2017-08-03
JP6679950B2 (ja) 2020-04-15

Similar Documents

Publication Publication Date Title
CN100541321C (zh) 投影机
US20080055550A1 (en) Microprojector
JP6172773B2 (ja) プロジェクタ及び画像表示方法
CN104749863B (zh) 图像显示装置以及图像显示装置的控制方法
CN108508682A (zh) 投影仪
US20150187246A1 (en) Image display device and control method of image display device
CN108496112B (zh) 投影仪以及投影仪的控制方法
US8025411B2 (en) Liquid crystal panel and projector using the same
US9794535B2 (en) Display device
JP2008268253A (ja) 液晶表示装置および液晶表示装置の駆動方法ならびに映像表示装置
US9039186B2 (en) Projector having tilted transmissive substrate and multicolor pixel modulator
JP2006010868A (ja) マイクロレンズアレイ、液晶表示装置、投射型表示装置
CN219958062U (zh) 投影系统
JP2015145934A (ja) プロジェクター
CN100374905C (zh) 投影机
US7319439B2 (en) Image display device and projector
JP2023009775A (ja) プロジェクター
US9979940B2 (en) Projector and method for controlling projector
JP2019032495A (ja) 画像投射装置
CN219958061U (zh) 投影设备
US8182098B2 (en) Projection optical system
JP2012242457A (ja) 投写型表示装置
JP4412931B2 (ja) 投写型映像表示装置
JP4696503B2 (ja) 画像表示装置
JP2007264340A (ja) 画像表示装置及びプロジェクタ

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant