DE69816432D1 - Rückprojektionsbildschirm mit diffusor - Google Patents

Rückprojektionsbildschirm mit diffusor

Info

Publication number
DE69816432D1
DE69816432D1 DE69816432T DE69816432T DE69816432D1 DE 69816432 D1 DE69816432 D1 DE 69816432D1 DE 69816432 T DE69816432 T DE 69816432T DE 69816432 T DE69816432 T DE 69816432T DE 69816432 D1 DE69816432 D1 DE 69816432D1
Authority
DE
Germany
Prior art keywords
diffuser
projection screen
rear projection
screen
projection
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.)
Expired - Fee Related
Application number
DE69816432T
Other languages
English (en)
Other versions
DE69816432T2 (de
Inventor
S Moshrefzadeh
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 Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE69816432D1 publication Critical patent/DE69816432D1/de
Application granted granted Critical
Publication of DE69816432T2 publication Critical patent/DE69816432T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03B21/625—Lenticular translucent screens
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C12/00—Powdered glass; Bead compositions
    • 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
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (AREA)
DE69816432T 1997-04-10 1998-03-20 Rückprojektionsbildschirm mit diffusor Expired - Fee Related DE69816432T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US838579 1986-03-11
US08/838,579 US6519087B2 (en) 1997-04-10 1997-04-10 Rear projection screen incorporating diffuser
PCT/US1998/005635 WO1998045753A1 (en) 1997-04-10 1998-03-20 Rear projection screen incorporating diffuser

Publications (2)

Publication Number Publication Date
DE69816432D1 true DE69816432D1 (de) 2003-08-21
DE69816432T2 DE69816432T2 (de) 2004-05-13

Family

ID=25277479

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69816432T Expired - Fee Related DE69816432T2 (de) 1997-04-10 1998-03-20 Rückprojektionsbildschirm mit diffusor

Country Status (8)

Country Link
US (1) US6519087B2 (de)
EP (1) EP0974072B1 (de)
JP (1) JP2001524219A (de)
KR (1) KR100640941B1 (de)
AU (1) AU732117B2 (de)
CA (1) CA2285047A1 (de)
DE (1) DE69816432T2 (de)
WO (1) WO1998045753A1 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6307675B1 (en) * 1998-12-24 2001-10-23 Toppan Printing Co. Ltd. Rear-projection screen for use with a liquid crystal panel as a video source
US6278546B1 (en) * 1999-04-01 2001-08-21 Honeywell International Inc. Display screen and method of manufacture therefor
US6204971B1 (en) 1999-05-14 2001-03-20 3M Innovative Properties Company Glass microspheres for use in films and projection screen displays and methods
US6466368B1 (en) 2000-04-26 2002-10-15 3M Innovative Properties Company Rear projection screen with reduced speckle
US6535333B1 (en) 2000-11-21 2003-03-18 3M Innovative Properties Company Optical system with reduced color shift
US6700703B2 (en) * 2001-02-27 2004-03-02 Kuraray Co., Ltd. Transmission type screen
US6631030B2 (en) 2001-03-30 2003-10-07 3M Innovative Properties Company Projection screens and methods for making such projection screens
US6870670B2 (en) 2001-04-06 2005-03-22 3M Innovative Properties Company Screens and methods for displaying information
US6844970B2 (en) * 2001-05-03 2005-01-18 General Electric Company Projection television set, screens, and method
US6567215B2 (en) 2001-09-04 2003-05-20 3M Innovative Properties Company Beaded rear projection screen with tunable gain
US6807020B2 (en) * 2002-08-01 2004-10-19 Jenmar Visual Systems Lens optimization and color correction for image projection systems
US6867928B2 (en) * 2002-08-01 2005-03-15 Jenmar Visual Systems Method and apparatus for correcting visual aberrations in image projection systems
KR100753340B1 (ko) * 2002-10-21 2007-08-30 최해용 전,후 양면 시청용 필름 스크린
RU2005131595A (ru) 2003-03-12 2006-02-20 Эвери Деннисон Копэрейшн (Us) Светопропускающий фильтр и способ изготовления светопропускающего фильтра (варианты)
DE10336131A1 (de) 2003-08-04 2005-02-24 Röhm GmbH & Co. KG Stabiler Rückprojektionsschirm sowie Verfahren zu dessen Herstellung
DE10336129A1 (de) * 2003-08-04 2005-02-24 Röhm GmbH & Co. KG Kratzunempfindlicher Rückprojektionsschirm und Verfahren zu dessen Herstellung
US7198372B2 (en) * 2003-12-31 2007-04-03 3M Innovative Properties Company Dual display
US20050226590A1 (en) * 2004-04-07 2005-10-13 Patel Falgun D Variable optical attenuator based on rare earth doped glass
US7453634B2 (en) 2005-03-07 2008-11-18 Avery Dennison Corporation Discontinuous or variable thickness gain modification coating for projection film and method for making same
US7167308B1 (en) 2005-03-09 2007-01-23 Rockwell Collins, Inc. System for eliminating secondary images in rear projection systems
DE102007018905B4 (de) 2006-04-28 2012-10-31 Preh Gmbh Bedienelement für ein Kraftfahrzeug
US7923675B2 (en) 2007-06-06 2011-04-12 3M Innovative Properties Company Projection system having avirtual mask
DE102008062577B3 (de) * 2008-12-16 2009-12-10 Preh Gmbh Kappe für ein Bedienelement oder eine Anzeige
DE102008062579B3 (de) * 2008-12-16 2009-12-10 Preh Gmbh Bedienelementkappe und Verfahren zur Herstellung der Bedienelementkappe
US8770813B2 (en) 2010-12-23 2014-07-08 Microsoft Corporation Transparent display backlight assembly
AU2015201585B2 (en) * 2010-12-23 2016-09-01 Microsoft Technology Licensing, Llc Transparent display backlight assembly
US8791355B2 (en) * 2011-04-20 2014-07-29 International Business Machines Corporation Homogenizing light-pipe for solar concentrators
JP6102194B2 (ja) * 2012-11-09 2017-03-29 船井電機株式会社 プロジェクタおよび投影用スクリーン
MX2015008762A (es) 2013-01-08 2015-10-29 Bayer Materialscience Ag Pelicula de proyeccion trasera que tiene un efecto "dia/noche".
US9992463B2 (en) 2013-03-14 2018-06-05 3M Innovative Properties Company Alignments for a projection system with a shaped projection screen using alignment content
FR3010949B1 (fr) * 2013-09-23 2015-10-16 Peugeot Citroen Automobiles Sa Combine d'instruments pour planche de bord de vehicule automobile
US9013790B1 (en) 2014-06-12 2015-04-21 Google Inc. High contrast rear projection screen for use with a diverging illumination source
US9176370B1 (en) * 2014-06-12 2015-11-03 Google Inc. High contrast rear projection screen
US9250508B1 (en) 2014-11-17 2016-02-02 Google Inc. Rear projection screen with pin-hole concentrator array
US9256115B1 (en) 2014-12-29 2016-02-09 Google Inc. Dual sided lens array using clear beads
US9519206B1 (en) 2015-06-25 2016-12-13 X Development Llc High contrast projection screen with stray light rejection
US9772550B2 (en) 2015-08-04 2017-09-26 X Development Llc Apparatus, system and method for mitigating contrast artifacts at an overlap region of a projected image
KR20180077733A (ko) * 2016-12-29 2018-07-09 엘에스산전 주식회사 태양전지 모듈용 보호 유리 및 그 제조방법
TWI815049B (zh) * 2019-12-03 2023-09-11 日商拓自達電線股份有限公司 電磁波屏蔽膜

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2378252A (en) 1942-06-30 1945-06-12 Eastman Kodak Co Projection screen
US3173332A (en) 1963-03-25 1965-03-16 Fma Inc Backlit projection screen
US3351409A (en) * 1963-06-12 1967-11-07 Irvin H Mcguire Light diffusion material, method of making and using same
US3372971A (en) * 1964-12-28 1968-03-12 Nat Distillers Chem Corp Optical system and materials
US3552822A (en) 1968-06-07 1971-01-05 Gerald Altman Rear projection screen
US3914024A (en) 1973-03-23 1975-10-21 Canon Kk Photographic objective having a polyester base color temperature conversion filter
US4023889A (en) 1975-02-24 1977-05-17 Morgan Adhesives Company Retroreflective laminate
US4190321A (en) 1977-02-18 1980-02-26 Minnesota Mining And Manufacturing Company Microstructured transmission and reflectance modifying coating
JPS58207032A (ja) 1982-05-27 1983-12-02 Nippon Kogaku Kk <Nikon> 焦点板
DK162413C (da) 1982-06-10 1992-03-23 Dainippon Printing Co Ltd Bagfra belyst projektionsskaerm
JPS59121034A (ja) 1982-12-27 1984-07-12 Mitsubishi Rayon Co Ltd 透過型スクリ−ン
JPH0277736A (ja) 1988-09-14 1990-03-16 Hitachi Ltd 透過形スクリーン
US5241416A (en) * 1990-05-14 1993-08-31 Canon Kabushiki Kaisha Screen and projector using said screen
JPH04249237A (ja) 1991-01-18 1992-09-04 Rohm & Haas Co 背面投射スクリーン面上のスクラッチ又は欠陥を隠ぺいする方法
DE69232810T2 (de) * 1991-11-15 2003-09-11 Matsushita Electric Ind Co Ltd Transparenter Projektionsschirm und Verfahren zu seiner Herstellung
US5307205A (en) * 1992-03-20 1994-04-26 Rohm And Haas Company Bilayer rear projection screens
JP2926454B2 (ja) * 1992-10-02 1999-07-28 大日本印刷株式会社 反射型映写スクリーン
JPH06160982A (ja) 1992-11-26 1994-06-07 Matsushita Electric Ind Co Ltd 透過型スクリーン
US5563738A (en) * 1993-09-03 1996-10-08 Jenmar Visual Systems Light transmitting and dispersing filter having low reflectance
JP3349594B2 (ja) 1994-07-28 2002-11-25 三菱レイヨン株式会社 投写スクリーン
US5675435A (en) * 1995-03-16 1997-10-07 Kuraray Co., Ltd. Rear projection image display device
CN1070292C (zh) * 1995-03-23 2001-08-29 松下电器产业株式会社 光学用板及使用它的透射式屏

Also Published As

Publication number Publication date
CA2285047A1 (en) 1998-10-15
KR100640941B1 (ko) 2006-11-02
KR20010006184A (ko) 2001-01-26
AU6768798A (en) 1998-10-30
EP0974072A1 (de) 2000-01-26
US20020109916A1 (en) 2002-08-15
EP0974072B1 (de) 2003-07-16
DE69816432T2 (de) 2004-05-13
AU732117B2 (en) 2001-04-12
US6519087B2 (en) 2003-02-11
JP2001524219A (ja) 2001-11-27
WO1998045753A1 (en) 1998-10-15

Similar Documents

Publication Publication Date Title
DE69816432D1 (de) Rückprojektionsbildschirm mit diffusor
DE69832565D1 (de) Durchlicht-Projektionsschirm
DE69738446D1 (de) Durchlicht-Projektionsschirm
DE69820365D1 (de) Tragbarer Projektonsschirm
DE69903029D1 (de) Rückprojektionsschirm mit verbessserten kontrast
DE69526641T2 (de) Rückprojektionsschirm
DE69410840T2 (de) Diffusor mit Rippen
DK0763220T3 (da) Bagprojektionskærm med reduceret granulationseffekt
DK0874268T3 (da) Fresnellinseplade og bagprojektionsskærm
DE69603115T2 (de) Rückprojektionsschirm
DE69623822T2 (de) Rückprojektions-Bildschirm
DE69829252D1 (de) Linsenrasterscheibe für Rückprojektions-Bildschirm
DE69812210D1 (de) Durchlicht-Projektionsschirm
DE69707375T2 (de) Durchlicht-Projektionsschirm
DE69828225D1 (de) Durchlicht-projektionsschirm
DE69825720D1 (de) Projektionsschirm
DE69835464D1 (de) Rückprojektionsvorrichtung
NO963079D0 (no) Diffusor
DE69830303D1 (de) Rückprojektionsschirm
DK1010039T3 (da) Baglysprojektionsskærm
DK0706077T3 (da) Displaysystem af bagprojektionstypen
KR980001808U (ko) 스크린이 내장된 리어시트
DE9321122U1 (de) Diffusor
DK30896A (da) Baglysprojektionsskærm
KR960026174U (ko) 배면 투사형 프로젝터

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee