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WO2009016975A1 - 光拡散フィルム及びそれを備えた装置 - Google Patents

光拡散フィルム及びそれを備えた装置 Download PDF

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Publication number
WO2009016975A1
WO2009016975A1 PCT/JP2008/063005 JP2008063005W WO2009016975A1 WO 2009016975 A1 WO2009016975 A1 WO 2009016975A1 JP 2008063005 W JP2008063005 W JP 2008063005W WO 2009016975 A1 WO2009016975 A1 WO 2009016975A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
scattering
layer
scattering film
polycarbonate resin
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/JP2008/063005
Other languages
English (en)
French (fr)
Inventor
Masanori Hiraishi
Satoshi Suda
Hiroyoshi Kojima
Yoshiki Yakushijin
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.)
Daicel Corp
Original Assignee
Daicel Chemical Industries 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 Daicel Chemical Industries Ltd filed Critical Daicel Chemical Industries Ltd
Priority to US12/668,824 priority Critical patent/US20100195313A1/en
Priority to CN2008801016156A priority patent/CN101772717B/zh
Priority to DE112008002087T priority patent/DE112008002087T5/de
Priority to JP2009525340A priority patent/JP5244797B2/ja
Publication of WO2009016975A1 publication Critical patent/WO2009016975A1/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
    • G02B5/0278—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
    • G02B5/02—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
    • G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • 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
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/254—Polymeric or resinous material
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31507—Of polycarbonate

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Dispersion Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)

Abstract

　光拡散フィルムは、連続相がポリカーボネート系樹脂（数平均分子量１５０００～２５０００のポリカーボネート系樹脂）で構成され、分散相がポリプロピレン系樹脂（メタロセン触媒を用いたポリプロピレン系ランダム共重合体）で構成された光拡散層（異方性光拡散層など）を備えており、光拡散層の少なくとも一方の面には透明層を積層してもよい。光拡散層が実質的に相溶化剤を含まなくてもよい。ポリカーボネート系樹脂を用いても、分散相を均一に形成できるため、面光源装置や表示装置の部材として適している。この光拡散性フィルムは、高温下で使用しても光拡散特性の変化を抑制できる。
PCT/JP2008/063005 2007-08-02 2008-07-18 光拡散フィルム及びそれを備えた装置 Ceased WO2009016975A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/668,824 US20100195313A1 (en) 2007-08-02 2008-07-18 Light-diffusing film and apparatus provided with the same
CN2008801016156A CN101772717B (zh) 2007-08-02 2008-07-18 光漫射膜及装有该光漫射膜的装置
DE112008002087T DE112008002087T5 (de) 2007-08-02 2008-07-18 Lichtstreuende Folie und damit ausgestattete Vorrichtung
JP2009525340A JP5244797B2 (ja) 2007-08-02 2008-07-18 光拡散フィルム及びそれを備えた装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-202129 2007-08-02
JP2007202129 2007-08-02
JP2007335076 2007-12-26
JP2007-335076 2007-12-26

Publications (1)

Publication Number Publication Date
WO2009016975A1 true WO2009016975A1 (ja) 2009-02-05

Family

ID=40304208

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/063005 Ceased WO2009016975A1 (ja) 2007-08-02 2008-07-18 光拡散フィルム及びそれを備えた装置

Country Status (7)

Country Link
US (1) US20100195313A1 (ja)
JP (1) JP5244797B2 (ja)
KR (1) KR101475548B1 (ja)
CN (1) CN101772717B (ja)
DE (1) DE112008002087T5 (ja)
TW (1) TWI470281B (ja)
WO (1) WO2009016975A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016138233A (ja) * 2015-01-22 2016-08-04 王子ホールディングス株式会社 半透明性延伸フィルム
JP2022070877A (ja) * 2017-05-19 2022-05-13 大日本印刷株式会社 表示装置
JP2022182093A (ja) * 2021-05-27 2022-12-08 三星電子株式会社 樹脂膜、樹脂膜の作成方法および表示装置
WO2023140106A1 (ja) * 2022-01-24 2023-07-27 株式会社巴川製紙所 反射型表示装置用光拡散フィルム積層体及びこれを用いた反射型表示装置
JP2026002718A (ja) * 2024-06-21 2026-01-08 深▲セン▼市▲華▼星光▲電▼半▲導▼体▲顕▼示技▲術▼有限公司 光学拡散膜と偏光シート
JP2026002719A (ja) * 2024-06-21 2026-01-08 ティーシーエル チャイナスター オプトエレクトロニクス テクノロジー カンパニー リミテッド 光拡散膜、偏光シートおよび表示パネル

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US10539722B2 (en) * 2009-04-15 2020-01-21 3M Innovative Properties Company Optical film
JP4623239B1 (ja) * 2009-09-29 2011-02-02 東洋紡績株式会社 積層フィルム
JP3163988U (ja) * 2010-07-30 2010-11-11 ミンテイジ株式会社 照明器具
TWI475723B (zh) * 2010-12-16 2015-03-01 Ind Tech Res Inst 發光元件
TWM417573U (en) * 2010-12-30 2011-12-01 Wistron Corp Lighting penetrating device with appearance of bionic texture
KR101375917B1 (ko) * 2011-03-29 2014-03-18 도레이 카부시키가이샤 엣지 라이트형 백 라이트용 백색 반사 필름 및 그것을 이용한 액정 디스플레이용 백 라이트
US8691915B2 (en) 2012-04-23 2014-04-08 Sabic Innovative Plastics Ip B.V. Copolymers and polymer blends having improved refractive indices
KR102014827B1 (ko) * 2012-06-12 2019-08-28 삼성디스플레이 주식회사 광학 필름 및 이를 포함하는 유기 전계 표시 장치
CN104508357B (zh) 2012-07-27 2018-01-23 阪本顺 导光板、光源装置、导光板制造装置及导光板制造方法
KR20140026125A (ko) * 2012-08-24 2014-03-05 삼성디스플레이 주식회사 광확산판, 이를 갖는 표시장치 및 이의 제조방법
CN104838292B (zh) 2012-11-29 2017-07-28 株式会社巴川制纸所 各向异性光学膜
JP6181936B2 (ja) * 2013-02-25 2017-08-16 恵和株式会社 ライトガイドフィルムの製造方法、ライトガイドフィルム、超薄型液晶バックライトユニット及び携帯型コンピュータ
FR3006092B1 (fr) * 2013-05-23 2016-12-09 Jcdecaux Sa Panneau d'affichage retroeclaire
WO2014196231A1 (ja) * 2013-06-04 2014-12-11 シャープ株式会社 表示装置
JP6160421B2 (ja) * 2013-10-03 2017-07-12 日本ポリプロ株式会社 ポリオレフィン系樹脂組成物及びその成形体
JP6424030B2 (ja) * 2014-07-11 2018-11-14 デクセリアルズ株式会社 環状オレフィン系樹脂組成物フィルム
CN104330842A (zh) * 2014-10-22 2015-02-04 上海大学 一种新型的增亮散射膜
WO2016068087A1 (ja) * 2014-10-27 2016-05-06 旭硝子株式会社 透過型透明スクリーン、映像表示システムおよび映像表示方法
JP2017027872A (ja) * 2015-07-27 2017-02-02 ソニー株式会社 表示装置
CN106249428A (zh) * 2016-04-11 2016-12-21 台谱企业股份有限公司 消光镜片及其制作方法
WO2018005440A1 (en) * 2016-06-29 2018-01-04 Sabic Global Technologies B.V. Method to improve remote phosphor optical properties in polycarbonate
KR102360349B1 (ko) * 2016-09-14 2022-02-10 가부시키가이샤 도모에가와 세이시쇼 반사형 표시 장치용 광확산 필름 적층체 및 이것을 이용한 반사형 표시 장치
CN110168278A (zh) * 2017-01-05 2019-08-23 奥林巴斯株式会社 照明光学系统
EP3470892A3 (en) * 2017-10-11 2019-07-17 Agc Inc. Transparent screen
KR101980050B1 (ko) * 2018-09-28 2019-05-17 조만귀 광확산판용 폴리프로필렌계 수지 조성물 및 이를 이용한 폴리프로필렌(pp) 광확산판 제조 방법
JP6670967B1 (ja) * 2018-09-28 2020-03-25 住友化学株式会社 光学フィルム
KR101999925B1 (ko) * 2018-09-28 2019-07-12 조만귀 광확산판용 폴리스틸렌계 수지 조성물 및 폴리스티렌(ps) 광확산판 제조 방법
US12111532B2 (en) * 2018-11-22 2024-10-08 Toray Advanced Materials Korea Inc. Optical body and display device including same
KR102126460B1 (ko) * 2019-12-11 2020-06-25 황천남 폴리프로필렌 복합 수지 광확산판

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10111402A (ja) * 1996-10-04 1998-04-28 Gunze Ltd 光拡散性シートとその製造方法
JPH11223711A (ja) * 1998-02-06 1999-08-17 Teijin Ltd 透過光散乱性制御フィルム及びそれを用いた液晶表示装置
JP2002122847A (ja) * 2000-10-16 2002-04-26 Toray Ind Inc 液晶表示素子用基板及び反射型液晶表示装置
JP2002196114A (ja) * 2000-12-26 2002-07-10 Sumitomo Chem Co Ltd 前方散乱シート、それを含む積層シート及び液晶表示装置
JP2003050306A (ja) * 2001-06-01 2003-02-21 Daicel Chem Ind Ltd 異方性拡散フィルム
JP2004103335A (ja) * 2002-09-06 2004-04-02 Daicel Chem Ind Ltd 面状光源装置
JP2006520017A (ja) * 2003-03-12 2006-08-31 エーブリー　デニソン　コーポレイション 後方投影スクリーンおよびその製造方法

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JPH112706A (ja) 1997-06-12 1999-01-06 Daicel Chem Ind Ltd 拡散フィルムおよびそれを備えた表示装置
JP2001031774A (ja) 1999-07-21 2001-02-06 Daicel Chem Ind Ltd 透過型光散乱シート及びその製造方法
KR100865625B1 (ko) * 2001-06-01 2008-10-27 다이셀 가가꾸 고교 가부시끼가이샤 광확산 필름, 이를 이용한 면광원 장치 및 액정 표시 장치
JP2003090906A (ja) 2001-09-18 2003-03-28 Daicel Chem Ind Ltd 異方性拡散フィルム及びそれを用いた装置
KR101050982B1 (ko) * 2003-06-17 2011-07-21 테이진 카세이 가부시키가이샤 직하형 백라이트식 액정 표시 장치 및 광확산판
JP2006251395A (ja) * 2005-03-10 2006-09-21 Daicel Chem Ind Ltd 異方性散乱シート
JP5341770B2 (ja) * 2006-12-15 2013-11-13 フイナ・テクノロジー・インコーポレーテツド ポリプロピレンインフレーションフィルム

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10111402A (ja) * 1996-10-04 1998-04-28 Gunze Ltd 光拡散性シートとその製造方法
JPH11223711A (ja) * 1998-02-06 1999-08-17 Teijin Ltd 透過光散乱性制御フィルム及びそれを用いた液晶表示装置
JP2002122847A (ja) * 2000-10-16 2002-04-26 Toray Ind Inc 液晶表示素子用基板及び反射型液晶表示装置
JP2002196114A (ja) * 2000-12-26 2002-07-10 Sumitomo Chem Co Ltd 前方散乱シート、それを含む積層シート及び液晶表示装置
JP2003050306A (ja) * 2001-06-01 2003-02-21 Daicel Chem Ind Ltd 異方性拡散フィルム
JP2004103335A (ja) * 2002-09-06 2004-04-02 Daicel Chem Ind Ltd 面状光源装置
JP2006520017A (ja) * 2003-03-12 2006-08-31 エーブリー　デニソン　コーポレイション 後方投影スクリーンおよびその製造方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016138233A (ja) * 2015-01-22 2016-08-04 王子ホールディングス株式会社 半透明性延伸フィルム
JP2022070877A (ja) * 2017-05-19 2022-05-13 大日本印刷株式会社 表示装置
JP7215612B2 (ja) 2017-05-19 2023-01-31 大日本印刷株式会社 表示装置
JP2022182093A (ja) * 2021-05-27 2022-12-08 三星電子株式会社 樹脂膜、樹脂膜の作成方法および表示装置
JP7702276B2 (ja) 2021-05-27 2025-07-03 三星電子株式会社 樹脂膜、樹脂膜の作成方法および表示装置
WO2023140106A1 (ja) * 2022-01-24 2023-07-27 株式会社巴川製紙所 反射型表示装置用光拡散フィルム積層体及びこれを用いた反射型表示装置
JP2026002718A (ja) * 2024-06-21 2026-01-08 深▲セン▼市▲華▼星光▲電▼半▲導▼体▲顕▼示技▲術▼有限公司 光学拡散膜と偏光シート
JP2026002719A (ja) * 2024-06-21 2026-01-08 ティーシーエル チャイナスター オプトエレクトロニクス テクノロジー カンパニー リミテッド 光拡散膜、偏光シートおよび表示パネル

Also Published As

Publication number Publication date
TWI470281B (zh) 2015-01-21
TW200914882A (en) 2009-04-01
JP5244797B2 (ja) 2013-07-24
CN101772717A (zh) 2010-07-07
CN101772717B (zh) 2012-09-19
KR101475548B1 (ko) 2014-12-22
JPWO2009016975A1 (ja) 2010-10-14
US20100195313A1 (en) 2010-08-05
DE112008002087T5 (de) 2010-06-10
KR20100066462A (ko) 2010-06-17

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