WO2009041448A1 - 白色フィルムおよびそれを用いた面光源 - Google Patents

白色フィルムおよびそれを用いた面光源 Download PDF

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Publication number
WO2009041448A1
WO2009041448A1 PCT/JP2008/067217 JP2008067217W WO2009041448A1 WO 2009041448 A1 WO2009041448 A1 WO 2009041448A1 JP 2008067217 W JP2008067217 W JP 2008067217W WO 2009041448 A1 WO2009041448 A1 WO 2009041448A1
Authority
WO
WIPO (PCT)
Prior art keywords
light sources
surface light
resin particles
white film
same
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.)
Ceased
Application number
PCT/JP2008/067217
Other languages
English (en)
French (fr)
Inventor
Shigeru Aoyama
Akikazu Kikuchi
Kozo Takahashi
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.)
Toray Industries Inc
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 EP08834556.6A priority Critical patent/EP2194405B1/en
Priority to CN2008801088510A priority patent/CN101809468B/zh
Priority to US12/679,587 priority patent/US20100209694A1/en
Priority to KR1020107004853A priority patent/KR101147013B1/ko
Publication of WO2009041448A1 publication Critical patent/WO2009041448A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
    • 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
    • G02B5/0205—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
    • G02B5/0247—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of voids or pores
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • 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
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/08—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 light absorbing layer
    • G02F2201/086—UV absorbing
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/36—Micro- or nanomaterials
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

【課題】白色性、反射性、軽量性、熱寸法安定性に優れた白色フィルム提供すること、およびそれを用いることにより輝度特性に優れた面光源を提供すること。 【解決手段】内部に樹脂粒子を有し、該樹脂粒子の周りに気泡が形成されてなる白色フィルムであって、該樹脂粒子の数平均粒径Ｄｎが１．５μｍ以下であり、かつ該樹脂粒子を０．０５個／μｍ２以上含み、かつ２μｍ以上の粒径を有する該樹脂粒子数の割合が１５％以下である層（Ｓ層）を有する白色フィルム、およびそれを用いた面光源。
PCT/JP2008/067217 2007-09-28 2008-09-25 白色フィルムおよびそれを用いた面光源 Ceased WO2009041448A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08834556.6A EP2194405B1 (en) 2007-09-28 2008-09-25 White film and surface light sources with the same
CN2008801088510A CN101809468B (zh) 2007-09-28 2008-09-25 白色膜以及使用该白色膜的面光源
US12/679,587 US20100209694A1 (en) 2007-09-28 2008-09-25 White film, and surface light source using the same
KR1020107004853A KR101147013B1 (ko) 2007-09-28 2008-09-25 백색 필름 및 그것을 사용한 면광원

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007253721 2007-09-28
JP2007-253721 2007-09-28
JP2007253720 2007-09-28
JP2007-253720 2007-09-28

Publications (1)

Publication Number Publication Date
WO2009041448A1 true WO2009041448A1 (ja) 2009-04-02

Family

ID=40511331

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/067217 Ceased WO2009041448A1 (ja) 2007-09-28 2008-09-25 白色フィルムおよびそれを用いた面光源

Country Status (6)

Country Link
US (1) US20100209694A1 (ja)
EP (1) EP2194405B1 (ja)
KR (1) KR101147013B1 (ja)
CN (1) CN101809468B (ja)
TW (1) TWI441852B (ja)
WO (1) WO2009041448A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120100363A1 (en) * 2009-06-12 2012-04-26 Toyo Boseki Kabushiki Kaisha Void-containing heat-shrinkable polyester film and process for production thereof
CN102686653A (zh) * 2010-02-26 2012-09-19 东丽株式会社 白色膜和使用该白色膜的面光源
JP2016164259A (ja) * 2015-02-27 2016-09-08 東レ株式会社 ポリエステルフィルム
JP2016180991A (ja) * 2014-05-30 2016-10-13 東レ株式会社 反射フィルムおよびそれを用いたエッジライト型バックライトユニット

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI402299B (zh) * 2009-07-28 2013-07-21 Ind Tech Res Inst 多孔聚乳酸薄膜、多孔聚乳酸複合薄膜及其製造方法
WO2011050228A2 (en) 2009-10-24 2011-04-28 3M Innovative Properties Company Gradient low index article and method
WO2012128136A1 (ja) * 2011-03-18 2012-09-27 東レ株式会社 積層フィルムおよびその製造方法
US9637605B2 (en) * 2011-11-10 2017-05-02 Toray Plastics (America), Inc. Biaxially oriented cavitated polylactic acid film
US9267008B2 (en) * 2012-03-27 2016-02-23 C.I. Kasei Company, Limited Heat-shrinkable white film
CN104603647B (zh) * 2012-08-03 2016-07-06 帝人杜邦薄膜日本有限公司 白色反射性膜
CN103018804B (zh) * 2012-12-28 2016-01-20 合肥乐凯科技产业有限公司 一种反射膜
KR102362770B1 (ko) * 2014-02-26 2022-02-16 삼성디스플레이 주식회사 곡면형 표시 장치 및 곡면형 표시 장치의 제조 방법
US9720283B2 (en) * 2014-02-26 2017-08-01 Samsung Display Co., Ltd Curved display device comprising first and second liquid crystal molecules with respective first and second pretilt-angles and method of manufacturing the same
JP6965508B2 (ja) 2016-03-29 2021-11-10 東洋紡株式会社 空洞含有ポリエステル系フィルム、およびその製造方法
CN110920183A (zh) * 2019-12-04 2020-03-27 江苏光辉包装材料有限公司 一种白色聚酯热收缩标签膜的制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06322153A (ja) 1993-05-14 1994-11-22 Toyobo Co Ltd ポリエステルフィルム
JPH07118433A (ja) 1993-10-27 1995-05-09 Toyobo Co Ltd 配送伝票用ポリエステル系フィルム
JP2002098811A (ja) * 2000-09-25 2002-04-05 Toray Ind Inc 面光源反射部材用白色積層ポリエステルフィルム
JP2004101600A (ja) * 2002-09-05 2004-04-02 Toray Ind Inc 光反射フィルムおよびその製造方法
JP2006142817A (ja) * 2004-10-21 2006-06-08 Toyobo Co Ltd 積層ポリエステルフィルム及び鏡面反射フィルム
JP2007112121A (ja) * 2005-09-20 2007-05-10 Toray Ind Inc 面光源反射部材用フィルム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5422175A (en) * 1992-06-01 1995-06-06 Toyo Boseki Kabushiki Kaisha Void-containing composite film of polyester type
WO2002004996A1 (en) * 2000-07-12 2002-01-17 Toray Industries, Inc. White film for surface light source reflecting members
CN1181360C (zh) * 2000-12-28 2004-12-22 王子油化合成纸株式会社 光半透过反射体
CN100450785C (zh) * 2003-12-26 2009-01-14 东丽株式会社 热敏转印记录用聚丙烯膜及其形成的热敏转印记录用载片
CN1993424B (zh) * 2004-08-11 2010-05-05 东丽株式会社 光反射体用聚酯树脂组合物
JP2007168089A (ja) * 2005-12-19 2007-07-05 Toray Ind Inc 反射板用白色積層ポリエステルフィルム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06322153A (ja) 1993-05-14 1994-11-22 Toyobo Co Ltd ポリエステルフィルム
JPH07118433A (ja) 1993-10-27 1995-05-09 Toyobo Co Ltd 配送伝票用ポリエステル系フィルム
JP2002098811A (ja) * 2000-09-25 2002-04-05 Toray Ind Inc 面光源反射部材用白色積層ポリエステルフィルム
JP2004101600A (ja) * 2002-09-05 2004-04-02 Toray Ind Inc 光反射フィルムおよびその製造方法
JP2006142817A (ja) * 2004-10-21 2006-06-08 Toyobo Co Ltd 積層ポリエステルフィルム及び鏡面反射フィルム
JP2007112121A (ja) * 2005-09-20 2007-05-10 Toray Ind Inc 面光源反射部材用フィルム

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2194405A4 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120100363A1 (en) * 2009-06-12 2012-04-26 Toyo Boseki Kabushiki Kaisha Void-containing heat-shrinkable polyester film and process for production thereof
US8993109B2 (en) * 2009-06-12 2015-03-31 Toyo Boseki Kabushiki Kaisha Void-containing heat-shrinkable polyester film and process for production thereof
CN102686653A (zh) * 2010-02-26 2012-09-19 东丽株式会社 白色膜和使用该白色膜的面光源
CN102686653B (zh) * 2010-02-26 2014-06-25 东丽株式会社 白色膜和使用该白色膜的面光源
JP2016180991A (ja) * 2014-05-30 2016-10-13 東レ株式会社 反射フィルムおよびそれを用いたエッジライト型バックライトユニット
JP2016164259A (ja) * 2015-02-27 2016-09-08 東レ株式会社 ポリエステルフィルム

Also Published As

Publication number Publication date
CN101809468A (zh) 2010-08-18
CN101809468B (zh) 2011-12-28
EP2194405A4 (en) 2014-03-26
US20100209694A1 (en) 2010-08-19
EP2194405B1 (en) 2016-02-17
TWI441852B (zh) 2014-06-21
KR101147013B1 (ko) 2012-05-17
EP2194405A1 (en) 2010-06-09
KR20100063705A (ko) 2010-06-11
TW200927802A (en) 2009-07-01

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