DE69721505T2 - Film zur helligkeitserhoehung - Google Patents

Film zur helligkeitserhoehung

Info

Publication number
DE69721505T2
DE69721505T2 DE69721505T DE69721505T DE69721505T2 DE 69721505 T2 DE69721505 T2 DE 69721505T2 DE 69721505 T DE69721505 T DE 69721505T DE 69721505 T DE69721505 T DE 69721505T DE 69721505 T2 DE69721505 T2 DE 69721505T2
Authority
DE
Germany
Prior art keywords
film
brightness increase
brightness
increase
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
DE69721505T
Other languages
English (en)
Other versions
DE69721505D1 (de
Inventor
C Allen
W Carlson
J Ouderkirk
F Weber
L Kotz
J Nevitt
A Stover
Biswaroop Majumdar
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
Priority claimed from US08/610,092 external-priority patent/US5825543A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE69721505D1 publication Critical patent/DE69721505D1/de
Publication of DE69721505T2 publication Critical patent/DE69721505T2/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
    • G02B5/3083—Birefringent or phase retarding elements
    • 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
    • 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
DE69721505T 1996-02-29 1997-02-28 Film zur helligkeitserhoehung Expired - Lifetime DE69721505T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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/US1997/003871 WO1997032226A1 (en) 1996-02-29 1997-02-28 Brightness enhancement film
US08/807,262 US6111696A (en) 1996-02-29 1997-02-28 Brightness enhancement film

Publications (2)

Publication Number Publication Date
DE69721505D1 DE69721505D1 (de) 2003-06-05
DE69721505T2 true DE69721505T2 (de) 2003-11-20

Family

ID=27086190

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69721505T Expired - Lifetime DE69721505T2 (de) 1996-02-29 1997-02-28 Film zur helligkeitserhoehung

Country Status (9)

Country Link
US (1) US6760157B1 (de)
EP (1) EP0883824B1 (de)
JP (2) JP4870248B2 (de)
CN (1) CN1121622C (de)
AU (1) AU713583B2 (de)
BR (1) BR9707795A (de)
CA (1) CA2247625C (de)
DE (1) DE69721505T2 (de)
WO (1) WO1997032226A1 (de)

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CA2247625A1 (en) 1997-09-04
CN1121622C (zh) 2003-09-17
CN1216114A (zh) 1999-05-05
BR9707795A (pt) 1999-07-27
JP2011053705A (ja) 2011-03-17
EP0883824A1 (de) 1998-12-16
CA2247625C (en) 2006-05-30
US6760157B1 (en) 2004-07-06
JP2002502503A (ja) 2002-01-22
WO1997032226A1 (en) 1997-09-04
AU713583B2 (en) 1999-12-02
EP0883824B1 (de) 2003-05-02
DE69721505D1 (de) 2003-06-05
AU2528597A (en) 1997-09-16

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