DE69722186D1 - Beleuchtungsvorrichtung mit optischem film - Google Patents

Beleuchtungsvorrichtung mit optischem film

Info

Publication number
DE69722186D1
DE69722186D1 DE69722186T DE69722186T DE69722186D1 DE 69722186 D1 DE69722186 D1 DE 69722186D1 DE 69722186 T DE69722186 T DE 69722186T DE 69722186 T DE69722186 T DE 69722186T DE 69722186 D1 DE69722186 D1 DE 69722186D1
Authority
DE
Germany
Prior art keywords
lighting device
optical film
optical
film
lighting
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 - Lifetime
Application number
DE69722186T
Other languages
English (en)
Other versions
DE69722186T2 (de
Inventor
C Allen
J Nevitt
A Wheatley
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 DE69722186D1 publication Critical patent/DE69722186D1/de
Application granted granted Critical
Publication of DE69722186T2 publication Critical patent/DE69722186T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Optical Filters (AREA)
  • Glass Compositions (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Optical Integrated Circuits (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Laser Surgery Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DE69722186T 1996-02-29 1997-02-28 Beleuchtungsvorrichtung mit optischem film Expired - Lifetime DE69722186T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US610092 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/US1997/002995 WO1997032225A1 (en) 1996-02-29 1997-02-28 Light fixture containing optical film

Publications (2)

Publication Number Publication Date
DE69722186D1 true DE69722186D1 (de) 2003-06-26
DE69722186T2 DE69722186T2 (de) 2004-02-19

Family

ID=24443603

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69722386T Expired - Lifetime DE69722386T2 (de) 1996-02-29 1997-01-17 Optischer körper
DE69709546T Expired - Lifetime DE69709546T2 (de) 1996-02-29 1997-02-28 Optische faser mit lichtauskoppelung
DE69722186T Expired - Lifetime DE69722186T2 (de) 1996-02-29 1997-02-28 Beleuchtungsvorrichtung mit optischem film

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE69722386T Expired - Lifetime DE69722386T2 (de) 1996-02-29 1997-01-17 Optischer körper
DE69709546T Expired - Lifetime DE69709546T2 (de) 1996-02-29 1997-02-28 Optische faser mit lichtauskoppelung

Country Status (11)

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

Families Citing this family (586)

* Cited by examiner, † Cited by third party
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KR100455987B1 (ko) 2005-06-01
CN1212762A (zh) 1999-03-31
US6111696A (en) 2000-08-29
CA2246449A1 (en) 1997-09-04
JP2000506990A (ja) 2000-06-06
CA2248214A1 (en) 1997-09-04
KR19990087312A (ko) 1999-12-27
AU1976497A (en) 1997-09-16
KR100424519B1 (ko) 2004-07-27
CN1212764A (zh) 1999-03-31
AU714738B2 (en) 2000-01-13
BR9707791A (pt) 1999-07-27
KR19990087314A (ko) 1999-12-27
AU1980497A (en) 1997-09-16
CN1217068A (zh) 1999-05-19
EP0883821A1 (de) 1998-12-16
CN1117995C (zh) 2003-08-13
AU2209797A (en) 1997-09-16
EP0883822B1 (de) 2003-05-21
BR9707763A (pt) 1999-07-27
DE69722386T2 (de) 2004-04-01
KR19990087367A (ko) 1999-12-27
DE69722386D1 (de) 2003-07-03
CN1212763A (zh) 1999-03-31
US6057961A (en) 2000-05-02
JP4336840B2 (ja) 2009-09-30
WO1997032224A1 (en) 1997-09-04
AU1752397A (en) 1997-09-16
CA2246545A1 (en) 1997-09-04
KR100457447B1 (ko) 2005-06-17
DE69709546T2 (de) 2002-09-05
EP0883821B1 (de) 2003-05-28
US5825543A (en) 1998-10-20
WO1997032225A1 (en) 1997-09-04
EP0883822A1 (de) 1998-12-16
US6297906B1 (en) 2001-10-02
CA2248237A1 (en) 1997-09-04
WO1997032227A1 (en) 1997-09-04
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KR19990087309A (ko) 1999-12-27
JP2000506993A (ja) 2000-06-06
MY133809A (en) 2007-11-30
WO1997032230A1 (en) 1997-09-04
KR100409062B1 (ko) 2004-06-09
DE69709546D1 (de) 2002-02-14
EP0883826B1 (de) 2002-01-09
EP0883823A1 (de) 1998-12-16
JP2000506994A (ja) 2000-06-06
JP2000506992A (ja) 2000-06-06
BR9707714A (pt) 1999-04-06
EP0883826A1 (de) 1998-12-16
DE69722186T2 (de) 2004-02-19
BR9707758A (pt) 1999-07-27

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