DE69724764D1 - Helligkeitsverstärkender film mit langsam abfallender helligkeit für grosse blickwinkel - Google Patents

Helligkeitsverstärkender film mit langsam abfallender helligkeit für grosse blickwinkel

Info

Publication number
DE69724764D1
DE69724764D1 DE69724764T DE69724764T DE69724764D1 DE 69724764 D1 DE69724764 D1 DE 69724764D1 DE 69724764 T DE69724764 T DE 69724764T DE 69724764 T DE69724764 T DE 69724764T DE 69724764 D1 DE69724764 D1 DE 69724764D1
Authority
DE
Germany
Prior art keywords
brightness
viewing angle
enhancing film
large viewing
slowly decreasing
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
DE69724764T
Other languages
English (en)
Other versions
DE69724764T2 (de
Inventor
B O'neill
Cobb, Jr
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 DE69724764D1 publication Critical patent/DE69724764D1/de
Application granted granted Critical
Publication of DE69724764T2 publication Critical patent/DE69724764T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
    • G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
DE69724764T 1996-02-05 1997-02-04 Helligkeitsverstärkender film mit langsam abfallender helligkeit für grosse blickwinkel Expired - Fee Related DE69724764T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US596792 1984-04-04
US08/596,792 US5917664A (en) 1996-02-05 1996-02-05 Brightness enhancement film with soft cutoff
PCT/US1997/001627 WO1997028468A1 (en) 1996-02-05 1997-02-04 Brightness enhancement film with soft cutoff

Publications (2)

Publication Number Publication Date
DE69724764D1 true DE69724764D1 (de) 2003-10-16
DE69724764T2 DE69724764T2 (de) 2004-04-08

Family

ID=24388726

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69724764T Expired - Fee Related DE69724764T2 (de) 1996-02-05 1997-02-04 Helligkeitsverstärkender film mit langsam abfallender helligkeit für grosse blickwinkel

Country Status (9)

Country Link
US (1) US5917664A (de)
EP (1) EP0879430B1 (de)
JP (1) JP4182261B2 (de)
KR (1) KR100455986B1 (de)
CN (1) CN1117993C (de)
AU (1) AU723293B2 (de)
CA (1) CA2242424C (de)
DE (1) DE69724764T2 (de)
WO (1) WO1997028468A1 (de)

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Also Published As

Publication number Publication date
EP0879430A1 (de) 1998-11-25
CA2242424C (en) 2008-05-06
AU1852397A (en) 1997-08-22
JP4182261B2 (ja) 2008-11-19
KR100455986B1 (ko) 2005-05-03
US5917664A (en) 1999-06-29
JP2000505564A (ja) 2000-05-09
KR19990082141A (ko) 1999-11-15
CN1210593A (zh) 1999-03-10
EP0879430B1 (de) 2003-09-10
CN1117993C (zh) 2003-08-13
AU723293B2 (en) 2000-08-24
DE69724764T2 (de) 2004-04-08
CA2242424A1 (en) 1997-08-07
WO1997028468A1 (en) 1997-08-07

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