TWI370296B - Optical sheet and backlight assembly and liquid crystal display having the same - Google Patents

Optical sheet and backlight assembly and liquid crystal display having the same

Info

Publication number
TWI370296B
TWI370296B TW097127949A TW97127949A TWI370296B TW I370296 B TWI370296 B TW I370296B TW 097127949 A TW097127949 A TW 097127949A TW 97127949 A TW97127949 A TW 97127949A TW I370296 B TWI370296 B TW I370296B
Authority
TW
Taiwan
Prior art keywords
liquid crystal
crystal display
same
optical sheet
backlight assembly
Prior art date
Application number
TW097127949A
Other languages
Chinese (zh)
Other versions
TW200914940A (en
Inventor
Seung Kyu Choi
Cheol Heung Ahn
Suk Jun Kim
Je Min Yeoun
Young Shin Choi
Chan Kyu Park
Ka Young Son
Hyun Ee Yang
Original Assignee
Shinwha Intertek Corp
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 Shinwha Intertek Corp filed Critical Shinwha Intertek Corp
Publication of TW200914940A publication Critical patent/TW200914940A/en
Application granted granted Critical
Publication of TWI370296B publication Critical patent/TWI370296B/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • 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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • 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
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
TW097127949A 2007-07-31 2008-07-23 Optical sheet and backlight assembly and liquid crystal display having the same TWI370296B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070076983A KR100907231B1 (en) 2007-07-31 2007-07-31 Optical sheet and backlight assembly and liquid crystal display comprising the same

Publications (2)

Publication Number Publication Date
TW200914940A TW200914940A (en) 2009-04-01
TWI370296B true TWI370296B (en) 2012-08-11

Family

ID=40304511

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097127949A TWI370296B (en) 2007-07-31 2008-07-23 Optical sheet and backlight assembly and liquid crystal display having the same

Country Status (4)

Country Link
KR (1) KR100907231B1 (en)
CN (1) CN101784919B (en)
TW (1) TWI370296B (en)
WO (1) WO2009017304A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI482995B (en) * 2009-07-20 2015-05-01 Ind Tech Res Inst Light collecting device and illumination apparatus
KR101184449B1 (en) * 2009-12-28 2012-09-21 제일모직주식회사 Patterned light guide panel, method for preparing thereof and lcd back light unit using the same
TWI471606B (en) * 2012-01-17 2015-02-01 Baytek Technology Shenzhen Ltd Three-dimensional display system with sequential colors-emitting backlit, and method thereof
KR101534376B1 (en) * 2012-08-22 2015-07-09 코오롱인더스트리 주식회사 Optical sheet
KR101540098B1 (en) * 2012-11-12 2015-07-28 신화인터텍 주식회사 Complex optical film for a display, light source assembly and liquid crystal display including the same, and method for fabricating the complex optical film
KR20140072255A (en) * 2012-11-29 2014-06-13 동우 화인켐 주식회사 Light diffusion plate and backlight unit comprising the same
KR101535335B1 (en) * 2013-04-09 2015-07-09 코오롱인더스트리 주식회사 Optical sheet
DE102014207739A1 (en) * 2014-04-24 2015-10-29 BSH Hausgeräte GmbH Display device and household appliance with a display device
KR101640719B1 (en) * 2014-12-31 2016-07-18 삼성에스디아이 주식회사 Module for liquid crystal display apparatus and liquid crystal display apparatus comprising the same
KR101868522B1 (en) * 2016-06-27 2018-07-19 주식회사 케이에이피에스 Optical sheet and method of manufacturing the same
CN106970435B (en) * 2017-05-04 2021-07-16 华显光电技术（惠州）有限公司 Brightness enhancement film, manufacturing method thereof, backlight module and display device
US20230104988A1 (en) * 2020-02-21 2023-04-06 Shinwha Intertek Corp Optical sheet and method for manufacturing optical sheet

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6636363B2 (en) * 2002-03-11 2003-10-21 Eastman Kodak Company Bulk complex polymer lens light diffuser
KR20060057984A (en) * 2004-11-24 2006-05-29 주식회사 엘지에스 Optical film and back-light unit has them
CN100470331C (en) * 2005-12-27 2009-03-18 瀚宇彩晶股份有限公司 Plane display device and light gathering type diffusing plate therefor
KR100703953B1 (en) 2006-09-29 2007-04-09 주식회사 엘지에스 Optical film and lighting device having the same

Also Published As

Publication number Publication date
CN101784919A (en) 2010-07-21
KR20090012822A (en) 2009-02-04
TW200914940A (en) 2009-04-01
KR100907231B1 (en) 2009-07-10
WO2009017304A1 (en) 2009-02-05
CN101784919B (en) 2012-11-28

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