WO2009041279A1 - 表面凹凸フィルム及び光拡散性シート - Google Patents

表面凹凸フィルム及び光拡散性シート Download PDF

Info

Publication number
WO2009041279A1
WO2009041279A1 PCT/JP2008/066418 JP2008066418W WO2009041279A1 WO 2009041279 A1 WO2009041279 A1 WO 2009041279A1 JP 2008066418 W JP2008066418 W JP 2008066418W WO 2009041279 A1 WO2009041279 A1 WO 2009041279A1
Authority
WO
WIPO (PCT)
Prior art keywords
uneven
film
light diffusing
diffusing sheet
surface film
Prior art date
Application number
PCT/JP2008/066418
Other languages
English (en)
French (fr)
Inventor
Koji Nakahata
Shingo Ohsaku
Original Assignee
Kimoto Co., 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 Kimoto Co., Ltd. filed Critical Kimoto Co., Ltd.
Priority to JP2009534273A priority Critical patent/JP5323709B2/ja
Priority to US12/675,773 priority patent/US20100247866A1/en
Priority to CN200880100288.2A priority patent/CN101765792B/zh
Publication of WO2009041279A1 publication Critical patent/WO2009041279A1/ja

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
    • G02B5/021—Diffusing 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
    • G02B5/0226—Diffusing 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
    • 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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness

Abstract

　フィルムを複数枚重ね合わせた際や、他の部材と重ね合わせた際にフィルム表面の傷つきを防止しうる表面凹凸フィルムおよび光拡散性シートを提供する。 　本発明の表面凹凸フィルムは、表面に凹凸形状を備えてなるものであって、前記凹凸形状は、三次元表面形状測定における粗さ曲線の最大山高さ（Ｒｐ）が６．０μｍ以上であり、山数（ＲＨＳＣ）が６００個／０．５ｍｍ2以下により構成される。この表面凹凸フィルムは、バックライトの構成部材として使用する際や光拡散性シート等に好適に適用することができ、傷つき防止機能に加え、良好な光拡散性能を備える。
PCT/JP2008/066418 2007-09-27 2008-09-11 表面凹凸フィルム及び光拡散性シート WO2009041279A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009534273A JP5323709B2 (ja) 2007-09-27 2008-09-11 光拡散性シート
US12/675,773 US20100247866A1 (en) 2007-09-27 2008-09-11 Uneven surface film and light diffusive sheet
CN200880100288.2A CN101765792B (zh) 2007-09-27 2008-09-11 表面凹凸膜及光扩散性片

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-251008 2007-09-27
JP2007-251009 2007-09-27
JP2007251009 2007-09-27
JP2007251008 2007-09-27

Publications (1)

Publication Number Publication Date
WO2009041279A1 true WO2009041279A1 (ja) 2009-04-02

Family

ID=40511168

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066418 WO2009041279A1 (ja) 2007-09-27 2008-09-11 表面凹凸フィルム及び光拡散性シート

Country Status (6)

Country Link
US (1) US20100247866A1 (ja)
JP (1) JP5323709B2 (ja)
KR (1) KR20100087122A (ja)
CN (1) CN101765792B (ja)
TW (1) TWI442099B (ja)
WO (1) WO2009041279A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8059339B2 (en) * 2006-01-24 2011-11-15 Kimoto Co., Ltd. Light diffusing sheet with binder of mixed acrylic and styrene-acrylic resins
JP2010015109A (ja) * 2008-07-07 2010-01-21 Sony Corp 光学フィルムおよびその製造方法、防眩性偏光子、ならびに表示装置
CN102401926B (zh) * 2010-09-17 2015-12-09 达兴材料股份有限公司 导光板与导光材料组成物
TWI435121B (zh) * 2010-12-28 2014-04-21 Au Optronics Corp 擴散片及背光模組
WO2012153510A1 (ja) * 2011-05-11 2012-11-15 シャープ株式会社 表示装置、マルチディスプレイシステム及び表示装置の製造方法
KR101971123B1 (ko) 2012-08-23 2019-04-23 삼성디스플레이 주식회사 나노 형광체 시트 및 백라이트 장치
EP3219482B1 (en) 2014-11-14 2024-02-07 Toppan Printing Co., Ltd. Optical barrier film, color conversion film, and backlight unit
WO2016158192A1 (ja) 2015-03-30 2016-10-06 凸版印刷株式会社 光学フィルム及びその製造方法、並びに、光学バリアフィルム及び色変換フィルム
CN104991304B (zh) * 2015-06-25 2019-02-22 东莞轩朗实业有限公司 导光板、油墨及喷墨打印导光板制作方法
CN105109170B (zh) * 2015-08-28 2017-06-13 东莞市纳利光学材料有限公司 一种具有抗彩虹环保护膜及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6292901A (ja) * 1985-10-18 1987-04-28 Sekisui Chem Co Ltd 偏光板
JPH11316306A (ja) * 1998-05-01 1999-11-16 Nitto Denko Corp 光拡散層、光学素子及び液晶表示装置
JP2001051116A (ja) * 1999-08-05 2001-02-23 Sekisui Chem Co Ltd 偏光板保護フィルム及び偏光板
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

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2539491Y2 (ja) * 1991-10-09 1997-06-25 惠和商工株式会社 光拡散シート材
JP3790571B2 (ja) * 1995-11-06 2006-06-28 株式会社きもと 光拡散性シートおよびそれを用いた液晶ディスプレイ用バックライトユニット
JP3727094B2 (ja) * 1996-01-12 2005-12-14 株式会社きもと 液晶ディスプレイ用バックライト
JP4652527B2 (ja) * 2000-05-16 2011-03-16 株式会社きもと 光拡散性シート
JP2003084110A (ja) * 2000-12-14 2003-03-19 Mitsui Chemicals Inc 反射体、サイドライド型バックライト型装置および反射体基板
CN100373176C (zh) * 2002-08-30 2008-03-05 木本股份有限公司 光控制薄膜
JP4303538B2 (ja) * 2002-08-30 2009-07-29 株式会社きもと 光制御フィルムおよびそれを用いたバックライト
WO2005085914A1 (ja) * 2004-03-03 2005-09-15 Kimoto Co., Ltd. 光制御フィルムおよびそれを用いたバックライト装置
JP4727574B2 (ja) * 2004-03-03 2011-07-20 株式会社きもと バックライト装置
KR100948482B1 (ko) * 2004-03-03 2010-03-18 키모토 컴파니 리미티드 광제어 필름 및 그것을 사용한 백라이트 장치
JP2006084813A (ja) * 2004-09-16 2006-03-30 Mitsubishi Rayon Co Ltd 集光素子及びその製造方法並びにこの集光素子を用いた面光源装置
JP5102951B2 (ja) * 2005-10-14 2012-12-19 株式会社ジロオコーポレートプラン 光拡散シート及びこれを用いたバックライトユニット
CN101292178B (zh) * 2005-10-17 2011-01-26 三菱丽阳株式会社 棱镜片及其制造方法以及面光源装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6292901A (ja) * 1985-10-18 1987-04-28 Sekisui Chem Co Ltd 偏光板
JPH11316306A (ja) * 1998-05-01 1999-11-16 Nitto Denko Corp 光拡散層、光学素子及び液晶表示装置
JP2001051116A (ja) * 1999-08-05 2001-02-23 Sekisui Chem Co Ltd 偏光板保護フィルム及び偏光板
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

Also Published As

Publication number Publication date
JP5323709B2 (ja) 2013-10-23
TWI442099B (zh) 2014-06-21
JPWO2009041279A1 (ja) 2011-01-20
US20100247866A1 (en) 2010-09-30
KR20100087122A (ko) 2010-08-03
CN101765792A (zh) 2010-06-30
CN101765792B (zh) 2014-12-31
TW200918955A (en) 2009-05-01

Similar Documents

Publication Publication Date Title
WO2009041279A1 (ja) 表面凹凸フィルム及び光拡散性シート
TW200720086A (en) Optical thin sheet
WO2009016975A1 (ja) 光拡散フィルム及びそれを備えた装置
EP2052855A3 (en) Barrier film and device
WO2010013938A2 (ko) 광학시트와 이의 제조 방법
WO2009158036A3 (en) Protective film with release surface
TW200834123A (en) Surface protection film and optical film with surface protection film
WO2006076320A3 (en) Retroreflective film
TW200720711A (en) Light diffusive sheet for backlight unit and preparation thereof
WO2009063636A1 (ja) シート及び発光装置
PL1774372T3 (pl) Przezroczysta płyta teksturowana z motywami ostrosłupów, która może być połączona z komórkami fotowoltaicznymi
WO2006133458A3 (en) Moire reducing optical substrates with irregular prism structures
TW200708853A (en) Light-guide plate and the backlight module having the same
TW200706569A (en) Optical film
MY137196A (en) Security device
TW200736720A (en) Light diffusion reflection sheet with buffering effect
EP1659425B8 (en) Retroreflective sheet and external illumination system
WO2008105261A1 (ja) グリッド偏光子
WO2011006031A3 (en) Polymer film for protecting glass sheets
WO2009044520A1 (ja) 光拡散シートおよび液晶表示装置
WO2009044521A1 (ja) 光拡散シートおよび液晶表示装置
KR20120079077A (ko) 역반사 프리즘 요소 및 에칭된 반사 금속 코팅을 포함하는 역반사 아티클
TW200834124A (en) Light diffuser plate
UA44403U (uk) Листовий матеріал
WO2008117720A1 (ja) バックライト装置

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880100288.2

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08833004

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 12675773

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 2009534273

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20107008889

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 08833004

Country of ref document: EP

Kind code of ref document: A1