AU4700099A - Reflective projection screen and projection system - Google Patents

Reflective projection screen and projection system

Info

Publication number
AU4700099A
AU4700099A AU47000/99A AU4700099A AU4700099A AU 4700099 A AU4700099 A AU 4700099A AU 47000/99 A AU47000/99 A AU 47000/99A AU 4700099 A AU4700099 A AU 4700099A AU 4700099 A AU4700099 A AU 4700099A
Authority
AU
Australia
Prior art keywords
projection
reflective
screen
projection system
projection screen
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.)
Abandoned
Application number
AU47000/99A
Other languages
English (en)
Inventor
Charles L. Bruzzone
Takashi Harada
Makoto Ishikawa
Robert S Moshrefzadeh
Timothy J. Nevitt
Andrew J. Ouderkirk
Yorinobu Takamatsu
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 AU4700099A publication Critical patent/AU4700099A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—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
    • G02B5/0215—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 the surface having a regular structure
    • 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
    • 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
    • G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
    • 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
    • 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
    • G02B5/0294—Diffusing elements; Afocal elements characterized by the use adapted to provide an additional optical effect, e.g. anti-reflection or filter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Polarising Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
AU47000/99A 1999-03-19 1999-06-21 Reflective projection screen and projection system Abandoned AU4700099A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/272,159 US6381068B1 (en) 1999-03-19 1999-03-19 Reflective projection screen and projection system
US09272159 1999-03-19
PCT/US1999/013914 WO2000057214A1 (en) 1999-03-19 1999-06-21 Reflective projection screen and projection system

Publications (1)

Publication Number Publication Date
AU4700099A true AU4700099A (en) 2000-10-09

Family

ID=23038664

Family Applications (1)

Application Number Title Priority Date Filing Date
AU47000/99A Abandoned AU4700099A (en) 1999-03-19 1999-06-21 Reflective projection screen and projection system

Country Status (9)

Country Link
US (1) US6381068B1 (https=)
EP (1) EP1166158B1 (https=)
JP (1) JP2002540445A (https=)
KR (1) KR20020001782A (https=)
CN (1) CN1350648A (https=)
AU (1) AU4700099A (https=)
DE (1) DE69919746T2 (https=)
MX (1) MXPA01009398A (https=)
WO (1) WO2000057214A1 (https=)

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CN1350648A (zh) 2002-05-22
DE69919746D1 (de) 2004-09-30
KR20020001782A (ko) 2002-01-09
JP2002540445A (ja) 2002-11-26
MXPA01009398A (es) 2002-06-04
WO2000057214A1 (en) 2000-09-28
EP1166158B1 (en) 2004-08-25
US6381068B1 (en) 2002-04-30
EP1166158A1 (en) 2002-01-02
MX225640B (https=) 2005-01-18
DE69919746T2 (de) 2005-09-01

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