JP5145486B1 - 投射光学系およびプロジェクタ装置 - Google Patents

投射光学系およびプロジェクタ装置 Download PDF

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Publication number
JP5145486B1
JP5145486B1 JP2012539901A JP2012539901A JP5145486B1 JP 5145486 B1 JP5145486 B1 JP 5145486B1 JP 2012539901 A JP2012539901 A JP 2012539901A JP 2012539901 A JP2012539901 A JP 2012539901A JP 5145486 B1 JP5145486 B1 JP 5145486B1
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Prior art keywords
optical system
intermediate image
refractive
lens
image
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Japanese (ja)
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JPWO2013005444A1 (ja
Inventor
恭彦 松尾
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Nitto Optical Co Ltd
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Nitto Optical Co Ltd
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    • 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
    • G03B21/28—Reflectors in projection beam
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/22—Telecentric objectives or lens systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/143—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only
    • G02B15/1431—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being positive
    • G02B15/143107—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being positive arranged +++
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/15—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective compensation by means of only one movement or by means of only linearly related movements, e.g. optical compensation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/163—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • 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
    • 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
    • G03B21/147—Optical correction of image distortions, e.g. keystone
    • 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
    • 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]
    • H04N9/3197—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using light modulating optical valves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2012539901A 2011-07-05 2012-07-05 投射光学系およびプロジェクタ装置 Active JP5145486B1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012539901A JP5145486B1 (ja) 2011-07-05 2012-07-05 投射光学系およびプロジェクタ装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011148942 2011-07-05
JP2011148942 2011-07-05
JP2012539901A JP5145486B1 (ja) 2011-07-05 2012-07-05 投射光学系およびプロジェクタ装置
PCT/JP2012/004384 WO2013005444A1 (ja) 2011-07-05 2012-07-05 投射光学系およびプロジェクタ装置

Related Child Applications (1)

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JP2012238473A Division JP5960579B2 (ja) 2011-07-05 2012-10-30 投射光学系およびプロジェクタ装置

Publications (2)

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JP5145486B1 true JP5145486B1 (ja) 2013-02-20
JPWO2013005444A1 JPWO2013005444A1 (ja) 2015-02-23

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JP2012539901A Active JP5145486B1 (ja) 2011-07-05 2012-07-05 投射光学系およびプロジェクタ装置
JP2012238473A Active JP5960579B2 (ja) 2011-07-05 2012-10-30 投射光学系およびプロジェクタ装置
JP2014049838A Active JP6038827B2 (ja) 2011-07-05 2014-03-13 投射光学系およびプロジェクタ装置
JP2014049830A Active JP5960741B2 (ja) 2011-07-05 2014-03-13 投射光学系およびプロジェクタ装置
JP2016174077A Active JP6243494B2 (ja) 2011-07-05 2016-09-06 投射光学系およびプロジェクタ装置
JP2016248536A Pending JP2017062510A (ja) 2011-07-05 2016-12-22 投射光学系およびプロジェクタ装置
JP2017175109A Active JP6434102B2 (ja) 2011-07-05 2017-09-12 投射光学系およびプロジェクタ装置
JP2017175108A Active JP6434101B2 (ja) 2011-07-05 2017-09-12 投射光学系およびプロジェクタ装置
JP2018209644A Active JP6714672B2 (ja) 2011-07-05 2018-11-07 プロジェクタ
JP2018209645A Pending JP2019020752A (ja) 2011-07-05 2018-11-07 投射光学系およびプロジェクタ装置
JP2018220645A Active JP6698140B2 (ja) 2011-07-05 2018-11-26 投射光学系およびプロジェクタ装置

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JP2012238473A Active JP5960579B2 (ja) 2011-07-05 2012-10-30 投射光学系およびプロジェクタ装置
JP2014049838A Active JP6038827B2 (ja) 2011-07-05 2014-03-13 投射光学系およびプロジェクタ装置
JP2014049830A Active JP5960741B2 (ja) 2011-07-05 2014-03-13 投射光学系およびプロジェクタ装置
JP2016174077A Active JP6243494B2 (ja) 2011-07-05 2016-09-06 投射光学系およびプロジェクタ装置
JP2016248536A Pending JP2017062510A (ja) 2011-07-05 2016-12-22 投射光学系およびプロジェクタ装置
JP2017175109A Active JP6434102B2 (ja) 2011-07-05 2017-09-12 投射光学系およびプロジェクタ装置
JP2017175108A Active JP6434101B2 (ja) 2011-07-05 2017-09-12 投射光学系およびプロジェクタ装置
JP2018209644A Active JP6714672B2 (ja) 2011-07-05 2018-11-07 プロジェクタ
JP2018209645A Pending JP2019020752A (ja) 2011-07-05 2018-11-07 投射光学系およびプロジェクタ装置
JP2018220645A Active JP6698140B2 (ja) 2011-07-05 2018-11-26 投射光学系およびプロジェクタ装置

Country Status (5)

Country Link
US (3) US9372388B2 (enExample)
EP (3) EP3267234B1 (enExample)
JP (11) JP5145486B1 (enExample)
CN (2) CN105242388B (enExample)
WO (1) WO2013005444A1 (enExample)

Cited By (5)

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US10063819B2 (en) 2014-10-31 2018-08-28 Nittoh Inc. Projection optical system and projector
US11042083B2 (en) 2018-07-27 2021-06-22 Seiko Epson Corporation Projection system and projection-type image display apparatus
US11086112B2 (en) 2018-07-30 2021-08-10 Seiko Epson Corporation Projection system and projection-type image display apparatus
US11422453B2 (en) 2018-07-27 2022-08-23 Seiko Epson Corporation Lens and projection-type image display apparatus
US11762176B2 (en) 2020-10-12 2023-09-19 Ricoh Industrial Solutions Inc. Projection optical system and image projection apparatus

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* Cited by examiner, † Cited by third party
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EP3267234B1 (en) * 2011-07-05 2019-02-27 Nittoh Inc. Projection optical system and projector apparatus
CN103293642B (zh) * 2012-03-02 2015-08-26 扬明光学股份有限公司 投影镜头和投影装置
JP6243353B2 (ja) 2012-12-28 2017-12-06 株式会社ｎｉｔｔｏｈ 投射光学系およびプロジェクタ装置
JP5924542B2 (ja) 2013-02-15 2016-05-25 輝 矢部 撮像光学系
CN105103028B (zh) * 2013-04-03 2018-04-03 奥林巴斯株式会社 成像光学系统、照明装置和观察装置
TWI551884B (zh) * 2013-10-31 2016-10-01 揚明光學股份有限公司 投影鏡頭
JP6305098B2 (ja) * 2014-02-19 2018-04-04 キヤノン株式会社 ズーム光学系及びそれを有する画像投射装置
JP6268028B2 (ja) * 2014-04-09 2018-01-24 リコー光学株式会社 投射光学系およびプロジェクタ装置および撮像装置
JP6598050B2 (ja) * 2015-01-30 2019-10-30 株式会社リコー 投射装置および投射システム
CN105759405B (zh) * 2014-12-17 2020-08-18 深圳市亿思达科技集团有限公司 能增大视场角的光学系统及投影镜头
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JP6582728B2 (ja) * 2015-08-21 2019-10-02 セイコーエプソン株式会社 投射光学系及びプロジェクター
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CN107450166A (zh) * 2016-06-01 2017-12-08 精工爱普生株式会社 投射光学系统和投射型图像显示装置
JP6556106B2 (ja) * 2016-08-30 2019-08-07 富士フイルム株式会社 ズームレンズ、投写型表示装置、および、撮像装置
JP6587590B2 (ja) * 2016-08-30 2019-10-09 富士フイルム株式会社 ズームレンズ、投写型表示装置、および、撮像装置
JP6639358B2 (ja) * 2016-08-30 2020-02-05 富士フイルム株式会社 ズームレンズ、投写型表示装置、および、撮像装置
JP6625028B2 (ja) * 2016-08-30 2019-12-25 富士フイルム株式会社 ズームレンズ、撮像装置、および投写型表示装置
JP6712932B2 (ja) * 2016-08-30 2020-06-24 富士フイルム株式会社 ズームレンズ、投写型表示装置、および、撮像装置
JP6940825B2 (ja) * 2016-10-06 2021-09-29 コニカミノルタ株式会社 変倍投影光学系及び画像表示装置
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JP6857917B2 (ja) * 2016-12-09 2021-04-14 株式会社ｎｉｔｔｏｈ 絞り装置、レンズ鏡筒及び撮像装置又は投影装置
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JP6589243B2 (ja) * 2016-12-21 2019-10-16 株式会社ｎｉｔｔｏｈ 投射光学系およびプロジェクタ
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