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TWI319095B - Light diffusive sheet for backlight unit and preparation thereof - Google Patents

Light diffusive sheet for backlight unit and preparation thereof

Info

Publication number
TWI319095B
TWI319095B TW095135991A TW95135991A TWI319095B TW I319095 B TWI319095 B TW I319095B TW 095135991 A TW095135991 A TW 095135991A TW 95135991 A TW95135991 A TW 95135991A TW I319095 B TWI319095 B TW I319095B
Authority
TW
Taiwan
Prior art keywords
preparation
backlight unit
light diffusive
diffusive sheet
sheet
Prior art date
Application number
TW095135991A
Other languages
English (en)
Other versions
TW200720711A (en
Inventor
Dae Gi Ryu
Jong Seul Lee
Ki Nam Byun
Yong Lae Yi
Eung Jae Oh
Original Assignee
Skc Haas Display Films Llc
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 KR1020050108491A external-priority patent/KR20070051070A/ko
Priority claimed from KR1020050108460A external-priority patent/KR20070051056A/ko
Priority claimed from KR1020050124075A external-priority patent/KR20070063827A/ko
Priority claimed from KR1020050124027A external-priority patent/KR20070063797A/ko
Priority claimed from KR1020050125376A external-priority patent/KR20070064846A/ko
Priority claimed from KR1020060026892A external-priority patent/KR20070036595A/ko
Application filed by Skc Haas Display Films Llc filed Critical Skc Haas Display Films Llc
Publication of TW200720711A publication Critical patent/TW200720711A/zh
Application granted granted Critical
Publication of TWI319095B publication Critical patent/TWI319095B/zh

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0273Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278Diffusing elements; Afocal elements characterized by the use used in transmission
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C12/00Powdered glass; Bead compositions
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0205Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021Diffusing 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
    • G02B5/0226Diffusing 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0268Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00Optical: systems and elements
    • Y10S359/90Methods
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)
TW095135991A 2005-09-29 2006-09-28 Light diffusive sheet for backlight unit and preparation thereof TWI319095B (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
KR20050091278 2005-09-29
KR20050108135 2005-11-11
KR1020050108491A KR20070051070A (ko) 2005-11-14 2005-11-14 백라이트 유닛용 광확산 시트
KR1020050108460A KR20070051056A (ko) 2005-11-14 2005-11-14 백라이트 유닛용 광확산 시트
KR1020050124075A KR20070063827A (ko) 2005-12-15 2005-12-15 백라이트 유닛용 광확산 시트의 제조방법
KR1020050124027A KR20070063797A (ko) 2005-12-15 2005-12-15 백라이트 유닛용 광확산 시트의 제조방법
KR1020050125376A KR20070064846A (ko) 2005-12-19 2005-12-19 백라이트 유닛용 광확산 시트의 제조방법
KR1020060026892A KR20070036595A (ko) 2005-09-29 2006-03-24 백라이트 유닛용 광확산 시트
KR20060051311 2006-06-08

Publications (2)

Publication Number Publication Date
TW200720711A TW200720711A (en) 2007-06-01
TWI319095B true TWI319095B (en) 2010-01-01

Family

ID=40506521

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095135991A TWI319095B (en) 2005-09-29 2006-09-28 Light diffusive sheet for backlight unit and preparation thereof

Country Status (4)

Country Link
US (1) US7855835B2 (zh)
JP (1) JP4814946B2 (zh)
CN (1) CN101278229B (zh)
TW (1) TWI319095B (zh)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100124046A1 (en) * 2007-04-09 2010-05-20 Yasumori Kuromizu Lighting device for display device, display device, and television receiver apparatus
KR100867919B1 (ko) * 2008-02-29 2008-11-10 주식회사 엘엠에스 광학소자, 이를 포함하는 백라이트 유닛 및 액정표시장치
KR101075076B1 (ko) * 2008-05-16 2011-10-21 코오롱인더스트리 주식회사 광학 시트
KR101274711B1 (ko) * 2008-12-23 2013-06-12 엘지디스플레이 주식회사 도광판 및 이의 제조 방법과 이를 이용한 백라이트 유닛
JP5569008B2 (ja) * 2009-06-07 2014-08-13 ソニー株式会社 バックライトおよび液晶表示装置
KR101180747B1 (ko) * 2010-03-17 2012-09-10 인산디지켐 주식회사 광경화성 조성물, 광확산 시트 및 프리즘 시트를 일체화한 백라이트 유닛용 복합 광학 시트, 및 이의 제조방법
CN102062891B (zh) * 2010-11-01 2012-05-23 李明伟 复合增光膜
JP6355185B2 (ja) * 2011-09-27 2018-07-11 エスケイシー ハイテク アンド マーケティング カンパニー リミテッド 高輝度光学シートを製造する方法
KR101179139B1 (ko) * 2012-04-05 2012-09-07 (주)코이즈 무비드 확산 시트의 제조방법 및 이에 따라 제조한 무비드 확산 시트
CN103513307A (zh) * 2012-06-29 2014-01-15 常州华威新材料有限公司 与平板显示器配套的增光膜及其制备方法
KR20140047412A (ko) * 2012-10-12 2014-04-22 에스케이씨하스디스플레이필름(유) 탠덤 배열 렌즈 시트
KR101901255B1 (ko) 2012-12-28 2018-09-21 엘지디스플레이 주식회사 표시 장치
CN103057024B (zh) * 2013-01-22 2015-06-03 桂林电子科技大学 一种具有特殊微相结构的环氧树脂基复合涂层的光扩散片及其制备方法
JP5630525B2 (ja) * 2013-04-04 2014-11-26 日本ゼオン株式会社 光学積層体
CN106414633A (zh) * 2014-04-07 2017-02-15 艾利丹尼森公司 用于可去除的标签的组合物
JP6473705B2 (ja) * 2016-03-10 2019-02-20 富士フイルム株式会社 ガスバリアフィルムおよび波長変換フィルム
KR20180077733A (ko) * 2016-12-29 2018-07-09 엘에스산전 주식회사 태양전지 모듈용 보호 유리 및 그 제조방법
CN110119006B (zh) * 2018-07-25 2021-08-27 湖北费米拉曼光电科技有限公司 一种导光扩散一体板及制备方法
CN109827148B (zh) * 2019-04-16 2024-04-12 凯鑫森(上海)功能性薄膜产业股份有限公司 Led照明用匀光膜及其灯具模组

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2539492Y2 (ja) * 1991-10-09 1997-06-25 惠和商工株式会社 液晶表示装置
US20030206342A1 (en) * 1993-05-12 2003-11-06 Bright View Technologies, Inc. Micro-lens array based light transmission screen
JPH06331806A (ja) * 1993-05-21 1994-12-02 Olympus Optical Co Ltd 拡散板成形用母型の作製方法
US6076933A (en) * 1996-10-08 2000-06-20 Jenmar Visual Systems Light transmitting and dispersing filter having low reflectance
US6256146B1 (en) * 1998-07-31 2001-07-03 3M Innovative Properties Post-forming continuous/disperse phase optical bodies
TW579438B (en) * 1999-02-04 2004-03-11 Keiwa Inc Light diffusion plate and backlight device using the same
JP2001074918A (ja) * 1999-09-02 2001-03-23 Fuji Photo Film Co Ltd 光拡散体およびその製造方法
JP4573946B2 (ja) * 2000-05-16 2010-11-04 株式会社きもと 光拡散性シート
JP2002189106A (ja) * 2000-12-20 2002-07-05 Dainippon Printing Co Ltd 防眩性フィルムおよびその製造方法、ならびに防眩性フィルムを用いた表示装置
JP4592972B2 (ja) * 2001-02-08 2010-12-08 大日本印刷株式会社 光拡散フィルム、光拡散フィルムを用いた面光源装置及び表示装置
WO2003005072A1 (en) * 2001-06-30 2003-01-16 Skc Co., Ltd. Light diffusing film
US7190525B2 (en) * 2001-10-11 2007-03-13 Fuji Photo Film Co., Ltd. Diffusion film comprising transparent substrate and diffusion layer
KR20030065102A (ko) * 2002-01-31 2003-08-06 주식회사 송산 액정표시기기용 백라이트 셋트의 디퓨저 필름
JP2004004417A (ja) * 2002-04-18 2004-01-08 Nitto Denko Corp 光拡散性シート、光学素子および画像表示装置
WO2003091761A1 (en) * 2002-04-25 2003-11-06 Nitto Denko Corporation Light-diffusing sheet, optical element, and image display
US6859326B2 (en) * 2002-09-20 2005-02-22 Corning Incorporated Random microlens array for optical beam shaping and homogenization
KR100883096B1 (ko) * 2002-10-05 2009-02-11 삼성전자주식회사 광학 부재, 이의 제조 방법 및 이를 이용한 액정표시장치
CN1284011C (zh) * 2003-07-18 2006-11-08 财团法人工业技术研究院 扩散与聚光用的复合微结构片
KR100711483B1 (ko) * 2004-03-29 2007-04-24 가부시키가이샤 도모에가와 세이시쇼 방현 필름
US7505104B2 (en) * 2005-09-16 2009-03-17 Fujifilm Corporation Antiglare antireflective film, polarizing plate and liquid crystal display

Also Published As

Publication number Publication date
US20090135489A1 (en) 2009-05-28
CN101278229A (zh) 2008-10-01
JP2009510515A (ja) 2009-03-12
TW200720711A (en) 2007-06-01
CN101278229B (zh) 2010-09-29
JP4814946B2 (ja) 2011-11-16
US7855835B2 (en) 2010-12-21

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