AU714738B2 - An optical film - Google Patents

An optical film Download PDF

Info

Publication number
AU714738B2
AU714738B2 AU17523/97A AU1752397A AU714738B2 AU 714738 B2 AU714738 B2 AU 714738B2 AU 17523/97 A AU17523/97 A AU 17523/97A AU 1752397 A AU1752397 A AU 1752397A AU 714738 B2 AU714738 B2 AU 714738B2
Authority
AU
Australia
Prior art keywords
phase
optical body
axis
along
optical
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.)
Ceased
Application number
AU17523/97A
Other languages
English (en)
Other versions
AU1752397A (en
Inventor
Richard C. Allen
Lockwood W. Carlson
Arthur L. Kotz
Biswaroop Majumdar
Timothy J. Nevitt
Andrew J. Ouderkirk
Carl A Stover
Michael F. Weber
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 AU1752397A publication Critical patent/AU1752397A/en
Application granted granted Critical
Publication of AU714738B2 publication Critical patent/AU714738B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3008—Polarising elements comprising dielectric particles, e.g. birefringent crystals embedded in a matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
    • G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/133545—Dielectric stack polarisers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Optical Filters (AREA)
  • Glass Compositions (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Optical Integrated Circuits (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Laser Surgery Devices (AREA)
AU17523/97A 1996-02-29 1997-01-17 An optical film Ceased AU714738B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/610092 1996-02-29
US08/610,092 US5825543A (en) 1996-02-29 1996-02-29 Diffusely reflecting polarizing element including a first birefringent phase and a second phase
PCT/US1997/000981 WO1997032224A1 (en) 1996-02-29 1997-01-17 An optical film

Publications (2)

Publication Number Publication Date
AU1752397A AU1752397A (en) 1997-09-16
AU714738B2 true AU714738B2 (en) 2000-01-13

Family

ID=24443603

Family Applications (4)

Application Number Title Priority Date Filing Date
AU17523/97A Ceased AU714738B2 (en) 1996-02-29 1997-01-17 An optical film
AU22097/97A Abandoned AU2209797A (en) 1996-02-29 1997-02-28 Optical film with increased gain at non-normal angles of incidence
AU19764/97A Abandoned AU1976497A (en) 1996-02-29 1997-02-28 Light fixture containing optical film
AU19804/97A Abandoned AU1980497A (en) 1996-02-29 1997-02-28 Optical fiber with light extractor

Family Applications After (3)

Application Number Title Priority Date Filing Date
AU22097/97A Abandoned AU2209797A (en) 1996-02-29 1997-02-28 Optical film with increased gain at non-normal angles of incidence
AU19764/97A Abandoned AU1976497A (en) 1996-02-29 1997-02-28 Light fixture containing optical film
AU19804/97A Abandoned AU1980497A (en) 1996-02-29 1997-02-28 Optical fiber with light extractor

Country Status (11)

Country Link
US (4) US5825543A (Direct)
EP (4) EP0883821B1 (Direct)
JP (4) JP4336840B2 (Direct)
KR (5) KR100455987B1 (Direct)
CN (4) CN1117995C (Direct)
AU (4) AU714738B2 (Direct)
BR (4) BR9707791A (Direct)
CA (4) CA2248214A1 (Direct)
DE (3) DE69722386T2 (Direct)
MY (1) MY133809A (Direct)
WO (4) WO1997032224A1 (Direct)

Families Citing this family (596)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US6804058B1 (en) 1993-12-21 2004-10-12 3M Innovative Properties Company Electroluminescent light source and display incorporating same
DE69435173D1 (de) 1993-12-21 2009-01-15 Minnesota Mining & Mfg Mehrschichtiger optischer Film
US6025897A (en) 1993-12-21 2000-02-15 3M Innovative Properties Co. Display with reflective polarizer and randomizing cavity
US5882774A (en) 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
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US5668663A (en) 1994-05-05 1997-09-16 Donnelly Corporation Electrochromic mirrors and devices
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DE69626124T2 (de) * 1995-06-26 2003-10-09 Minnesota Mining & Mfg Diffus reflektierende mehrschicht-polarisatoren und spiegel
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CA2246545A1 (en) 1997-09-04
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AU1980497A (en) 1997-09-16
US6297906B1 (en) 2001-10-02
KR19990087367A (ko) 1999-12-27
KR19990087312A (ko) 1999-12-27
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US6057961A (en) 2000-05-02
DE69722186T2 (de) 2004-02-19
MY133809A (en) 2007-11-30
BR9707758A (pt) 1999-07-27
WO1997032224A1 (en) 1997-09-04
EP0883821A1 (en) 1998-12-16
KR100455987B1 (ko) 2005-06-01
CA2246449A1 (en) 1997-09-04
DE69709546D1 (de) 2002-02-14
KR100409062B1 (ko) 2004-06-09
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DE69722186D1 (de) 2003-06-26
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JP2000506990A (ja) 2000-06-06
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BR9707763A (pt) 1999-07-27
DE69709546T2 (de) 2002-09-05
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