CN113391511B - 扩散装置、光学装置以及投影仪 - Google Patents

扩散装置、光学装置以及投影仪 Download PDF

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Publication number
CN113391511B
CN113391511B CN202110260145.5A CN202110260145A CN113391511B CN 113391511 B CN113391511 B CN 113391511B CN 202110260145 A CN202110260145 A CN 202110260145A CN 113391511 B CN113391511 B CN 113391511B
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CN
China
Prior art keywords
lens
light
diffusion
pressing member
condenser lens
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
CN202110260145.5A
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English (en)
Chinese (zh)
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CN113391511A (zh
Inventor
萩原毅彦
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.)
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Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of CN113391511A publication Critical patent/CN113391511A/zh
Application granted granted Critical
Publication of CN113391511B publication Critical patent/CN113391511B/zh
Active legal-status Critical Current
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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
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • 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
    • G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • 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
    • G03B21/145—Housing details, e.g. position adjustments thereof
    • 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
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Projection Apparatus (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
CN202110260145.5A 2020-03-12 2021-03-10 扩散装置、光学装置以及投影仪 Active CN113391511B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020042696A JP7392530B2 (ja) 2020-03-12 2020-03-12 拡散装置、光学装置及びプロジェクター
JP2020-042696 2020-03-12

Publications (2)

Publication Number Publication Date
CN113391511A CN113391511A (zh) 2021-09-14
CN113391511B true CN113391511B (zh) 2023-01-13

Family

ID=77617454

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110260145.5A Active CN113391511B (zh) 2020-03-12 2021-03-10 扩散装置、光学装置以及投影仪

Country Status (3)

Country Link
US (1) US11543617B2 (enExample)
JP (1) JP7392530B2 (enExample)
CN (1) CN113391511B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7361408B2 (ja) * 2021-09-03 2023-10-16 株式会社ユニバーサルエンターテインメント 遊技機
WO2024048307A1 (ja) * 2022-08-30 2024-03-07 京セラ株式会社 照明装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4304520B2 (ja) * 2006-03-07 2009-07-29 船井電機株式会社 プロジェクタ
JP2012083623A (ja) * 2010-10-13 2012-04-26 Sanyo Electric Co Ltd プロジェクタ
JP2014123014A (ja) * 2012-12-21 2014-07-03 Casio Comput Co Ltd 光源装置、プロジェクタ
JP6079295B2 (ja) * 2013-02-26 2017-02-15 セイコーエプソン株式会社 波長変換素子、波長変換素子の製造方法、光源装置およびプロジェクター
JP2015038618A (ja) * 2014-09-18 2015-02-26 カシオ計算機株式会社 発光ユニット及びプロジェクタ
JP6662069B2 (ja) * 2016-02-02 2020-03-11 セイコーエプソン株式会社 光源装置及びプロジェクター
JP6888381B2 (ja) * 2017-04-06 2021-06-16 セイコーエプソン株式会社 光源装置及びプロジェクター
US11086134B2 (en) * 2017-05-01 2021-08-10 Shimadzu Corporation Beam splitter assembly
TWI791036B (zh) * 2017-10-05 2023-02-01 日商索尼股份有限公司 光源裝置及投射型顯示裝置

Also Published As

Publication number Publication date
US11543617B2 (en) 2023-01-03
US20210286147A1 (en) 2021-09-16
JP7392530B2 (ja) 2023-12-06
CN113391511A (zh) 2021-09-14
JP2021144145A (ja) 2021-09-24

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