DE60024526D1 - Lichtstreuender optischer folienmaterial - Google Patents

Lichtstreuender optischer folienmaterial

Info

Publication number
DE60024526D1
DE60024526D1 DE60024526T DE60024526T DE60024526D1 DE 60024526 D1 DE60024526 D1 DE 60024526D1 DE 60024526 T DE60024526 T DE 60024526T DE 60024526 T DE60024526 T DE 60024526T DE 60024526 D1 DE60024526 D1 DE 60024526D1
Authority
DE
Germany
Prior art keywords
optical film
film material
illuminating optical
illuminating
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.)
Expired - Lifetime
Application number
DE60024526T
Other languages
English (en)
Inventor
C Lea
A Marttila
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
Application granted granted Critical
Publication of DE60024526D1 publication Critical patent/DE60024526D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • G02B5/0226—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 having particles on the surface
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
DE60024526T 1999-01-14 2000-01-13 Lichtstreuender optischer folienmaterial Expired - Lifetime DE60024526D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9900819 1999-01-14
PCT/US2000/000812 WO2000042451A1 (en) 1999-01-14 2000-01-13 Optical sheets suitable for spreading light

Publications (1)

Publication Number Publication Date
DE60024526D1 true DE60024526D1 (de) 2006-01-12

Family

ID=10845942

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60024526T Expired - Lifetime DE60024526D1 (de) 1999-01-14 2000-01-13 Lichtstreuender optischer folienmaterial

Country Status (9)

Country Link
US (1) US6456437B1 (de)
EP (1) EP1064570B1 (de)
JP (1) JP2002535690A (de)
KR (1) KR20010052208A (de)
CN (1) CN1184495C (de)
AU (1) AU2609800A (de)
CA (1) CA2323590A1 (de)
DE (1) DE60024526D1 (de)
WO (1) WO2000042451A1 (de)

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Also Published As

Publication number Publication date
CN1296570A (zh) 2001-05-23
EP1064570A1 (de) 2001-01-03
KR20010052208A (ko) 2001-06-25
CA2323590A1 (en) 2000-07-20
EP1064570B1 (de) 2005-12-07
US6456437B1 (en) 2002-09-24
JP2002535690A (ja) 2002-10-22
AU2609800A (en) 2000-08-01
WO2000042451A1 (en) 2000-07-20
CN1184495C (zh) 2005-01-12

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