JP2002517800A - 背面投射システム - Google Patents

背面投射システム

Info

Publication number
JP2002517800A
JP2002517800A JP2000553865A JP2000553865A JP2002517800A JP 2002517800 A JP2002517800 A JP 2002517800A JP 2000553865 A JP2000553865 A JP 2000553865A JP 2000553865 A JP2000553865 A JP 2000553865A JP 2002517800 A JP2002517800 A JP 2002517800A
Authority
JP
Japan
Prior art keywords
diffuser
screen assembly
light
screen
polarizer
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.)
Pending
Application number
JP2000553865A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002517800A5 (enExample
Inventor
チョウ，シン−シン
エー． トーマス，パトリック
エム． ブレナー，コリーン
シー． チャン，ジェフリー
エス． モシュレフザデ，ロバート
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of JP2002517800A publication Critical patent/JP2002517800A/ja
Publication of JP2002517800A5 publication Critical patent/JP2002517800A5/ja
Pending legal-status Critical Current

Links

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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • 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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/604—Polarised screens
    • 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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • G03B21/625—Lenticular translucent screens
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Polarising Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP2000553865A 1998-06-11 1999-05-24 背面投射システム Pending JP2002517800A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/095,835 US6163402A (en) 1998-06-11 1998-06-11 Rear projection screen
US09/095,835 1998-06-11
PCT/US1999/011399 WO1999064928A1 (en) 1998-06-11 1999-05-24 Rear projection screen

Publications (2)

Publication Number Publication Date
JP2002517800A true JP2002517800A (ja) 2002-06-18
JP2002517800A5 JP2002517800A5 (enExample) 2006-06-22

Family

ID=22253805

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000553865A Pending JP2002517800A (ja) 1998-06-11 1999-05-24 背面投射システム

Country Status (7)

Country Link
US (2) US6163402A (enExample)
EP (1) EP1084450A1 (enExample)
JP (1) JP2002517800A (enExample)
KR (1) KR20010052719A (enExample)
CN (1) CN1305607A (enExample)
AU (1) AU4095699A (enExample)
WO (1) WO1999064928A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013083750A (ja) * 2011-10-07 2013-05-09 Dainippon Printing Co Ltd 透過型スクリーン、背面投射型表示装置
JP2017058602A (ja) * 2015-09-18 2017-03-23 株式会社Ｊｖｃケンウッド 光学装置および投射装置

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CN114114496B (zh) * 2020-08-31 2023-03-21 宁波激智科技股份有限公司 一种保偏光学膜及其制备方法
CN114114501A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜及一种保偏棱镜膜
CN114217372A (zh) * 2020-08-31 2022-03-22 宁波激智科技股份有限公司 一种保偏光学膜及一种保偏棱镜膜
CN114114508B (zh) * 2020-08-31 2023-06-02 宁波激智科技股份有限公司 一种保偏光学膜、一种抗吸附保偏微透镜膜及其制备方法
CN114114497A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜及一种保偏棱镜膜
CN114114503A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜及一种解干涉保偏复合棱镜膜
CN114114507B (zh) * 2020-08-31 2023-07-25 宁波激智科技股份有限公司 一种保偏光学膜、一种解干涉保偏微透镜膜及其制备方法
CN114114499B (zh) * 2020-08-31 2024-07-19 宁波激智科技股份有限公司 一种保偏光学膜、一种保偏扩散膜及一种双面雾保偏扩散膜
CN114114509B (zh) * 2020-08-31 2023-07-25 宁波激智科技股份有限公司 一种保偏光学膜、一种解干涉保偏微透镜膜及其制备方法
CN114114498B (zh) * 2020-08-31 2023-06-02 宁波激智科技股份有限公司 一种保偏光学膜及一种保偏扩散膜

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US6515798B1 (en) 2003-02-04
US6163402A (en) 2000-12-19

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