WO2008139861A1 - 白色反射フィルム - Google Patents

白色反射フィルム Download PDF

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Publication number
WO2008139861A1
WO2008139861A1 PCT/JP2008/057806 JP2008057806W WO2008139861A1 WO 2008139861 A1 WO2008139861 A1 WO 2008139861A1 JP 2008057806 W JP2008057806 W JP 2008057806W WO 2008139861 A1 WO2008139861 A1 WO 2008139861A1
Authority
WO
WIPO (PCT)
Prior art keywords
reflective film
white reflective
coating layer
white
spherical particles
Prior art date
Application number
PCT/JP2008/057806
Other languages
English (en)
French (fr)
Inventor
Yoshikazu Sato
Yoshihiko Sakaguchi
Osamu Watanabe
Original Assignee
Toray Industries, Inc.
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 Toray Industries, Inc. filed Critical Toray Industries, Inc.
Priority to EP08751944.3A priority Critical patent/EP2148227B1/en
Priority to CN2008800002103A priority patent/CN101542325B/zh
Priority to JP2008527242A priority patent/JP4889055B2/ja
Priority to US12/527,438 priority patent/US8300172B2/en
Publication of WO2008139861A1 publication Critical patent/WO2008139861A1/ja

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • 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
    • G02B6/0055—Reflecting element, sheet or layer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)

Abstract

　液晶バックライトの輝度向上を図るため、白色フィルムの少なくとも片面に球状粒子を含有する塗布層を有し、その塗布層を形成する粒子とバインダー樹脂との屈折率差が０．１０以下で、且つ、該球状粒子が無孔質である白色反射フィルムとする。
PCT/JP2008/057806 2007-05-08 2008-04-23 白色反射フィルム WO2008139861A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08751944.3A EP2148227B1 (en) 2007-05-08 2008-04-23 White reflective film
CN2008800002103A CN101542325B (zh) 2007-05-08 2008-04-23 白色反射膜
JP2008527242A JP4889055B2 (ja) 2007-05-08 2008-04-23 白色反射フィルム
US12/527,438 US8300172B2 (en) 2007-05-08 2008-04-23 White reflective film

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-123065 2007-05-08
JP2007123065 2007-05-08

Publications (1)

Publication Number Publication Date
WO2008139861A1 true WO2008139861A1 (ja) 2008-11-20

Family

ID=40002077

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/057806 WO2008139861A1 (ja) 2007-05-08 2008-04-23 白色反射フィルム

Country Status (7)

Country Link
US (1) US8300172B2 (ja)
EP (1) EP2148227B1 (ja)
JP (2) JP4889055B2 (ja)
KR (1) KR101117147B1 (ja)
CN (1) CN101542325B (ja)
TW (1) TWI368789B (ja)
WO (1) WO2008139861A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010168464A (ja) * 2009-01-22 2010-08-05 Sekisui Plastics Co Ltd 異形単分散粒子、その製造方法及びそれを含む光拡散フィルム
JP2015163986A (ja) * 2010-02-24 2015-09-10 東レ株式会社 液晶ディスプレイのエッジライト型バックライト用白色反射フィルム及びそれを用いたバックライト
JPWO2014196534A1 (ja) * 2013-06-07 2017-02-23 東レ株式会社 光反射フィルムおよびエッジライト型バックライト
JP2019026689A (ja) * 2017-07-27 2019-02-21 京セラドキュメントソリューションズ株式会社 インクジェット記録用白色インク

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101725902A (zh) * 2008-10-24 2010-06-09 展晶科技(深圳)有限公司 平面光源装置
EP2537886B1 (en) * 2010-02-19 2015-06-17 LG Chem, Ltd. Coating layer for an antiglare film, and an antiglare film comprising the same
CN103467762B (zh) * 2010-02-26 2016-01-20 东丽株式会社 白色膜的制造方法
JP5740828B2 (ja) * 2010-03-31 2015-07-01 大日本印刷株式会社 化粧シート及びこれを用いた化粧板
KR20110123668A (ko) * 2010-05-07 2011-11-15 후지필름 가부시키가이샤 착색 감광성 조성물, 컬러 필터의 제조 방법, 컬러 필터 및 액정 표시 장치
US9200174B2 (en) * 2012-06-06 2015-12-01 Toray Industries, Inc. Laminated body, conductive laminated body, touch panel, coating composition and method of manufacturing laminated body that uses the coating
WO2014021436A1 (ja) * 2012-08-02 2014-02-06 旭硝子株式会社 樹脂フィルム、太陽電池モジュールのバックシート、太陽電池モジュール
EP2908048A1 (en) * 2014-02-14 2015-08-19 Tongfang Global Limited LED-backlight for liquid crystal display
CN104965348B (zh) * 2015-07-15 2018-05-25 深圳市华星光电技术有限公司 一种显示面板及电子设备
CN106908887B (zh) * 2017-03-29 2020-07-31 宁波长阳科技股份有限公司 一种高亮度的涂布型反射膜
WO2021199465A1 (ja) * 2020-03-30 2021-10-07 積水化成品工業株式会社 重合体粒子、増粘剤及び組成物
CN113252603B (zh) * 2021-04-16 2022-03-01 清华大学 一种多层透明球床的最优折射率测量方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04239540A (ja) * 1991-01-22 1992-08-27 Toray Ind Inc 液晶ディスプレイ反射板用白色ポリエステルフイルム
JP2006119318A (ja) * 2004-10-21 2006-05-11 Asahi Glass Co Ltd 光拡散層、透過型スクリーン、光拡散層形成用塗布液、および透過型スクリーンの製造方法
JP2006285083A (ja) * 2005-04-04 2006-10-19 Denki Kagaku Kogyo Kk 光拡散板

Family Cites Families (24)

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Publication number Priority date Publication date Assignee Title
EP0496323B2 (en) 1991-01-22 2002-12-11 Toray Industries, Inc. Reflector for a surface light source
JP3683965B2 (ja) 1995-01-27 2005-08-17 三井化学株式会社 光反射体及びそれを用いた光反射装置
JPH1164613A (ja) * 1997-08-26 1999-03-05 Mitsui Chem Inc 直下型バックライト用反射体
JP2001166295A (ja) * 1999-12-03 2001-06-22 Cosmo Tec:Kk 液晶表示装置バックライト用ランプリフレクター
JP4573946B2 (ja) 2000-05-16 2010-11-04 株式会社きもと 光拡散性シート
JP3870731B2 (ja) * 2000-07-12 2007-01-24 東レ株式会社 面光源反射部材用白色フィルム
TW527507B (en) * 2000-07-12 2003-04-11 Toray Industries White film for surface light source
JP2002138150A (ja) 2000-11-02 2002-05-14 Teijin Ltd 白色ポリエステルフィルム
JP2002293898A (ja) 2001-03-30 2002-10-09 Daicel Chem Ind Ltd 高分子量脂肪族ポリエステル共重合体及びその製造方法
JP4945032B2 (ja) 2001-05-08 2012-06-06 恵和株式会社 反射シート及びこれを用いたバックライトユニット
JP4217862B2 (ja) * 2001-06-27 2009-02-04 日本ゼオン株式会社 積層体及び光反射シート
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US6908202B2 (en) 2002-10-03 2005-06-21 General Electric Company Bulk diffuser for flat panel display
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JP2004198722A (ja) 2002-12-18 2004-07-15 Keiwa Inc 光学シート及びこれを用いたバックライトユニット
JP4800549B2 (ja) 2002-12-18 2011-10-26 恵和株式会社 光学シート及びこれを用いたバックライトユニット
JP2005173546A (ja) 2003-11-18 2005-06-30 Toray Ind Inc 光反射フィルムおよびそれを用いた面光源
JP2005321451A (ja) * 2004-05-06 2005-11-17 Teijin Chem Ltd ヘーズ異方性透明性樹脂製フィルム
JP2006039328A (ja) * 2004-07-29 2006-02-09 Mitsui Chemicals Inc ディスプレイ用拡散フィルム及びそれを用いた液晶表示装置
KR100624307B1 (ko) * 2005-02-23 2006-09-19 제일모직주식회사 표시장치용 저반사율의 휘도 향상 다층 광학필름 및 이를이용한 유기발광다이오드 표시장치
JP4853901B2 (ja) * 2005-03-01 2012-01-11 綜研化学株式会社 着色単分散粒子およびその製造方法
EP2447602B1 (en) * 2006-06-23 2015-05-27 Toray Industries, Inc. White reflection film
CN101529281B (zh) * 2006-10-27 2011-09-07 东丽株式会社 光反射板用白色聚酯膜

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04239540A (ja) * 1991-01-22 1992-08-27 Toray Ind Inc 液晶ディスプレイ反射板用白色ポリエステルフイルム
JP2006119318A (ja) * 2004-10-21 2006-05-11 Asahi Glass Co Ltd 光拡散層、透過型スクリーン、光拡散層形成用塗布液、および透過型スクリーンの製造方法
JP2006285083A (ja) * 2005-04-04 2006-10-19 Denki Kagaku Kogyo Kk 光拡散板

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2148227A4 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010168464A (ja) * 2009-01-22 2010-08-05 Sekisui Plastics Co Ltd 異形単分散粒子、その製造方法及びそれを含む光拡散フィルム
JP2015163986A (ja) * 2010-02-24 2015-09-10 東レ株式会社 液晶ディスプレイのエッジライト型バックライト用白色反射フィルム及びそれを用いたバックライト
JPWO2014196534A1 (ja) * 2013-06-07 2017-02-23 東レ株式会社 光反射フィルムおよびエッジライト型バックライト
JP2019026689A (ja) * 2017-07-27 2019-02-21 京セラドキュメントソリューションズ株式会社 インクジェット記録用白色インク

Also Published As

Publication number Publication date
TWI368789B (en) 2012-07-21
CN101542325A (zh) 2009-09-23
TW200907492A (en) 2009-02-16
JP2010033053A (ja) 2010-02-12
JP4889055B2 (ja) 2012-02-29
CN101542325B (zh) 2011-04-20
US8300172B2 (en) 2012-10-30
JPWO2008139861A1 (ja) 2010-07-29
EP2148227B1 (en) 2015-09-23
KR20090009230A (ko) 2009-01-22
US20100033650A1 (en) 2010-02-11
EP2148227A1 (en) 2010-01-27
KR101117147B1 (ko) 2012-03-07
EP2148227A4 (en) 2010-09-01

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