AU2003276763A1 - Optical film for backlight unit and backlight unit using the same - Google Patents

Optical film for backlight unit and backlight unit using the same

Info

Publication number
AU2003276763A1
AU2003276763A1 AU2003276763A AU2003276763A AU2003276763A1 AU 2003276763 A1 AU2003276763 A1 AU 2003276763A1 AU 2003276763 A AU2003276763 A AU 2003276763A AU 2003276763 A AU2003276763 A AU 2003276763A AU 2003276763 A1 AU2003276763 A1 AU 2003276763A1
Authority
AU
Australia
Prior art keywords
backlight unit
same
optical film
backlight
unit
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.)
Abandoned
Application number
AU2003276763A
Inventor
Sung-Min Cho
Young-Il Kim
Eun-Mi Lee
Yong-Shig Shim
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.)
LGS Corp Ltd
Original Assignee
LGS Corp Ltd
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 LGS Corp Ltd filed Critical LGS Corp Ltd
Publication of AU2003276763A1 publication Critical patent/AU2003276763A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing sheet or layer
    • 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
    • G02B5/0215—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 the surface having a regular structure
    • 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
    • G02B5/0231—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 the surface having microprismatic or micropyramidal 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
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
AU2003276763A 2003-07-10 2003-11-10 Optical film for backlight unit and backlight unit using the same Abandoned AU2003276763A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20030046707 2003-07-10
KR10-2003-0046707 2003-07-10
PCT/KR2003/002405 WO2005006030A1 (en) 2003-07-10 2003-11-10 Optical film for backlight unit and backlight unit using the same

Publications (1)

Publication Number Publication Date
AU2003276763A1 true AU2003276763A1 (en) 2005-01-28

Family

ID=34056804

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003276763A Abandoned AU2003276763A1 (en) 2003-07-10 2003-11-10 Optical film for backlight unit and backlight unit using the same

Country Status (2)

Country Link
AU (1) AU2003276763A1 (en)
WO (1) WO2005006030A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7967492B2 (en) 2005-02-28 2011-06-28 Kuraray Co., Ltd. Light diffusion film and planar light source element and liquid crystal display device utilizing the same
TW201017280A (en) * 2008-10-28 2010-05-01 Shiang-Lin Liao Substrate-free optical film
CN103462342A (en) * 2013-09-07 2013-12-25 昆山地博光电材料有限公司 Polycarbonate film used on luggage
CN105549135B (en) * 2016-01-27 2018-01-12 张家港康得新光电材料有限公司 Brightness enhancement film, its preparation method and include its display device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3545447B2 (en) * 1994-02-04 2004-07-21 大日本印刷株式会社 Light diffusion film
JPH09304607A (en) * 1996-05-16 1997-11-28 Nitto Denko Corp Light diffusing film
JP2000352607A (en) * 1999-06-11 2000-12-19 Dainippon Printing Co Ltd Light diffusing film, its production, surface light source and display device
JP2002196111A (en) * 2000-12-25 2002-07-10 Nitto Denko Corp Light-diffusing sheet and optical element

Also Published As

Publication number Publication date
WO2005006030A1 (en) 2005-01-20

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase