JPWO2021075341A1 - - Google Patents

Info

Publication number
JPWO2021075341A1
JPWO2021075341A1 JP2021552355A JP2021552355A JPWO2021075341A1 JP WO2021075341 A1 JPWO2021075341 A1 JP WO2021075341A1 JP 2021552355 A JP2021552355 A JP 2021552355A JP 2021552355 A JP2021552355 A JP 2021552355A JP WO2021075341 A1 JPWO2021075341 A1 JP WO2021075341A1
Authority
JP
Japan
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.)
Pending
Application number
JP2021552355A
Other languages
Japanese (ja)
Other versions
JPWO2021075341A5 (zh
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 filed Critical
Publication of JPWO2021075341A1 publication Critical patent/JPWO2021075341A1/ja
Publication of JPWO2021075341A5 publication Critical patent/JPWO2021075341A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
JP2021552355A 2019-10-15 2020-10-08 Pending JPWO2021075341A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019188725 2019-10-15
PCT/JP2020/038092 WO2021075341A1 (ja) 2019-10-15 2020-10-08 投射光学系、および画像表示装置

Publications (2)

Publication Number Publication Date
JPWO2021075341A1 true JPWO2021075341A1 (zh) 2021-04-22
JPWO2021075341A5 JPWO2021075341A5 (zh) 2023-09-07

Family

ID=75537968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021552355A Pending JPWO2021075341A1 (zh) 2019-10-15 2020-10-08

Country Status (2)

Country Link
JP (1) JPWO2021075341A1 (zh)
WO (1) WO2021075341A1 (zh)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009271372A (ja) * 2008-05-08 2009-11-19 Panasonic Corp 投写光学系、投写システム及び投写型表示装置
TWI420136B (zh) * 2009-07-03 2013-12-21 Young Optics Inc 定焦鏡頭及成像系統
JP5414066B2 (ja) * 2010-06-25 2014-02-12 独立行政法人産業技術総合研究所 光制御素子
JP2015060090A (ja) * 2013-09-19 2015-03-30 富士フイルム株式会社 投写光学系および投写型表示装置
JP6736366B2 (ja) * 2015-06-19 2020-08-05 キヤノン株式会社 結像光学系、光学機器および画像投射装置
US10254522B2 (en) * 2017-01-26 2019-04-09 Prazen Co., Ltd. Ultra-short throw projector

Also Published As

Publication number Publication date
WO2021075341A1 (ja) 2021-04-22

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Legal Events

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