TWI429955B - 漫反射性物件 - Google Patents

漫反射性物件 Download PDF

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Publication number
TWI429955B
TWI429955B TW095117487A TW95117487A TWI429955B TW I429955 B TWI429955 B TW I429955B TW 095117487 A TW095117487 A TW 095117487A TW 95117487 A TW95117487 A TW 95117487A TW I429955 B TWI429955 B TW I429955B
Authority
TW
Taiwan
Prior art keywords
light
woven
sheet
diffuse
reflectance
Prior art date
Application number
TW095117487A
Other languages
English (en)
Chinese (zh)
Other versions
TW200706919A (en
Inventor
Adam Ben Starry
William John Gambogi Jr
Robert William Johnson
Edwin James Lightfoot
Hyunkook Shin
Robert D Smith-Gillespie
Torence John Trout Jr
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of TW200706919A publication Critical patent/TW200706919A/zh
Application granted granted Critical
Publication of TWI429955B publication Critical patent/TWI429955B/zh

Links

Classifications

    • 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • 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
    • G02B5/0236Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0247Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of voids or pores
    • 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
    • G02B5/0284Diffusing elements; Afocal elements characterized by the use used in reflection
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means 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
    • G02B6/0051Diffusing sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0066Light 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 characterised by the light source being coupled to the light guide
    • G02B6/0068Arrangements of plural sources, e.g. multi-colour light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Nonlinear Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Medicinal Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
TW095117487A 2005-05-17 2006-05-17 漫反射性物件 TWI429955B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US68173605P 2005-05-17 2005-05-17
US11/349,487 US7660040B2 (en) 2005-05-17 2006-02-07 Diffuse reflective article

Publications (2)

Publication Number Publication Date
TW200706919A TW200706919A (en) 2007-02-16
TWI429955B true TWI429955B (zh) 2014-03-11

Family

ID=36763153

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095117487A TWI429955B (zh) 2005-05-17 2006-05-17 漫反射性物件

Country Status (6)

Country Link
US (1) US7660040B2 (enExample)
EP (1) EP1724621B1 (enExample)
JP (1) JP5144030B2 (enExample)
KR (1) KR101307131B1 (enExample)
CN (1) CN1881041B (enExample)
TW (1) TWI429955B (enExample)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110139386A1 (en) * 2003-06-19 2011-06-16 Eastman Chemical Company Wet lap composition and related processes
US7999455B2 (en) 2006-11-13 2011-08-16 Research Triangle Institute Luminescent device including nanofibers and light stimulable particles disposed on a surface of or at least partially within the nanofibers
CN101313098B (zh) * 2005-12-22 2010-12-29 东丽株式会社 光反射片材
KR20090074777A (ko) * 2006-09-29 2009-07-07 이 아이 듀폰 디 네모아 앤드 캄파니 부직 시트를 포함하는 확산 반사기
DE102006056150A1 (de) * 2006-11-28 2008-05-29 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Vorrichtung zur Abstrahlung elektromagnetischer Strahlung und Anzeigevorrichtung
EP2095159A1 (en) * 2006-12-18 2009-09-02 E. I. Du Pont de Nemours and Company Diffuse reflector comprising nonwoven sheet having specific reflectance and thickness deviation for use in displays
US7976741B2 (en) * 2007-02-12 2011-07-12 Ichia Technologies, Inc. Method of manufacturing light guide plate of keypad
CN101681059B (zh) * 2007-05-29 2014-03-05 皇家飞利浦电子股份有限公司 照明系统、照明器和背光单元
KR101424273B1 (ko) * 2007-12-10 2014-07-31 엘지전자 주식회사 광학 필름 및 이를 구비한 백라이트 유닛
US20090173569A1 (en) * 2007-12-20 2009-07-09 E. I. Du Pont De Nemours And Company Acoustic absorber with barrier facing
US20090173570A1 (en) * 2007-12-20 2009-07-09 Levit Natalia V Acoustically absorbent ceiling tile having barrier facing with diffuse reflectance
JP5161982B2 (ja) * 2008-03-04 2013-03-13 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 改良型の反射型投影スクリーン
WO2009143561A1 (en) * 2008-05-25 2009-12-03 3Gsolar Ltd Optical enhancement for solar devices
KR101245876B1 (ko) * 2008-05-30 2013-03-20 코오롱패션머티리얼 (주) 반사부재
CN102124384B (zh) 2008-07-10 2016-10-12 3M创新有限公司 粘弹性光导
JP2011530718A (ja) 2008-08-08 2011-12-22 スリーエム イノベイティブ プロパティズ カンパニー 光を管理するための粘弾性層を有する光ガイド
US20100238665A1 (en) * 2009-03-20 2010-09-23 Eric William Hearn Teather Diffusive light reflectors with polymeric coating
US8361611B2 (en) * 2009-03-20 2013-01-29 Whiteoptics Llc Diffusively light reflective paint composition, method for making paint composition, and diffusively light reflective articles
EP2408867A4 (en) * 2009-03-20 2013-03-06 Eric William Hearn Teather COLOR COMPOSITION USING DIFFUSER LIGHT REFLECTION, PROCESS FOR PREPARING THE COLOR COMPOSITION, AND ARTICLES WITH DIFFUSER LIGHT REFLECTION
EP2292972B1 (en) * 2009-09-02 2013-03-27 3M Innovative Properties Company Light device and vehicle including light device
FR2955207B1 (fr) * 2010-01-08 2012-02-10 Saint Gobain Technical Fabrics Dispositif collecteur de rayonnement
US9239417B2 (en) 2010-02-10 2016-01-19 3M Innovative Properties Company Illumination device having viscoelastic layer
KR20130099951A (ko) 2010-08-20 2013-09-06 리서치 트라이앵글 인스티튜트, 인터내셔널 칼러 튜닝 가능 조명 장치 및 조명 장치들의 칼러 출력 튜닝 방법
US9441811B2 (en) 2010-08-20 2016-09-13 Research Triangle Institute Lighting devices utilizing optical waveguides and remote light converters, and related methods
US9101036B2 (en) 2010-08-20 2015-08-04 Research Triangle Institute Photoluminescent nanofiber composites, methods for fabrication, and related lighting devices
EP2616765B1 (de) * 2010-09-13 2020-11-11 Micro-Epsilon Optronic GmbH Optisches messsystem zum bestimmen von abständen
EP2466349A1 (en) 2010-12-17 2012-06-20 3M Innovative Properties Company Light guide illumination device with fibrous diffuser layer
TWI406058B (zh) * 2010-12-20 2013-08-21 Au Optronics Corp 背光模組
WO2012099966A2 (en) * 2011-01-18 2012-07-26 Whiteoptics Llc Color-shifting reflector
EP3124236A1 (en) 2011-06-17 2017-02-01 Fiberweb, Inc. Vapor permeable, substantially water impermeable multilayer article
WO2012178027A2 (en) 2011-06-23 2012-12-27 Fiberweb, Inc. Vapor-permeable, substantially water-impermeable multilayer article
WO2012177996A2 (en) 2011-06-23 2012-12-27 Fiberweb, Inc. Vapor permeable, substantially water impermeable multilayer article
WO2012178011A2 (en) 2011-06-24 2012-12-27 Fiberweb, Inc. Vapor-permeable, substantially water-impermeable multilayer article
JP6207117B2 (ja) * 2011-07-19 2017-10-04 スリーエム イノベイティブ プロパティズ カンパニー 面光源装置
TWI451290B (zh) * 2011-12-09 2014-09-01 Primax Electronics Ltd 發光鍵盤
CN103182819B (zh) 2011-12-31 2015-11-25 杜邦公司 包含非织造片材的漫反射层合物
EP2802703A1 (en) * 2012-01-12 2014-11-19 E. I. Du Pont de Nemours and Company Diffuse reflector
US9617685B2 (en) 2013-04-19 2017-04-11 Eastman Chemical Company Process for making paper and nonwoven articles comprising synthetic microfiber binders
CN203720389U (zh) * 2013-12-13 2014-07-16 苏州艾尔迪电子有限公司 一种带有涂层的无纺布扩散片
US9598802B2 (en) 2013-12-17 2017-03-21 Eastman Chemical Company Ultrafiltration process for producing a sulfopolyester concentrate
US9605126B2 (en) 2013-12-17 2017-03-28 Eastman Chemical Company Ultrafiltration process for the recovery of concentrated sulfopolyester dispersion
CN104459846A (zh) 2015-01-07 2015-03-25 京东方科技集团股份有限公司 一种扩散片、背光模组及液晶显示装置
CN105065989A (zh) * 2015-08-10 2015-11-18 苏州速腾电子科技有限公司 装有漫反射反射器的灯具
CN105065939A (zh) * 2015-08-10 2015-11-18 苏州速腾电子科技有限公司 装有反射器的灯
CN105090788A (zh) * 2015-08-10 2015-11-25 苏州速腾电子科技有限公司 装有高反射膜反射器的led灯具
CN105065937A (zh) * 2015-08-10 2015-11-18 苏州速腾电子科技有限公司 带有二次反射反射器的照明灯
CN105065938A (zh) * 2015-08-10 2015-11-18 苏州速腾电子科技有限公司 装有高反射膜反射器的灯具
CN105065988A (zh) * 2015-08-10 2015-11-18 苏州速腾电子科技有限公司 漫反射照明装置
JP6675853B2 (ja) * 2015-10-13 2020-04-08 旭化成株式会社 極細メルトブローン不織布を用いた光学系シート
WO2017199368A1 (ja) * 2016-05-18 2017-11-23 富士通株式会社 光源および検出装置
BR112019002171B1 (pt) 2016-08-02 2023-01-17 Fitesa Simpsonville, Inc. Sistema e processo para preparar um tecido não tecido de ácido poliláctico (pla) por fiação contínua
US11441251B2 (en) 2016-08-16 2022-09-13 Fitesa Germany Gmbh Nonwoven fabrics comprising polylactic acid having improved strength and toughness
JP7033129B2 (ja) * 2016-10-11 2022-03-09 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー エンボス加工押印パターンを有する接合表面を有する不織物を含む密封された接触領域を含むパッケージ
JP6837220B2 (ja) * 2017-03-29 2021-03-03 パナソニックIpマネジメント株式会社 照明装置
DE102017003362A1 (de) * 2017-04-06 2018-10-11 Carl Freudenberg Kg Element zur Lichtmanipulation
DE102017215369A1 (de) * 2017-09-01 2019-03-07 Benecke-Kaliko Ag Lichtdurchlässige Mehrschichtverbundfolie
US11002676B2 (en) * 2018-04-09 2021-05-11 Hunter Associates Laboratory, Inc. UV-VIS spectroscopy instrument and methods for color appearance and difference measurement
KR102595821B1 (ko) * 2018-05-02 2023-10-30 서울바이오시스 주식회사 발광 소자 패키지
CN110456558B (zh) * 2018-05-08 2022-08-19 京东方科技集团股份有限公司 光学膜材、背光源及显示装置
CN111240096B (zh) * 2020-03-13 2021-07-06 Tcl华星光电技术有限公司 背光模组及具有该背光模组的显示装置
CN112339356A (zh) * 2020-10-21 2021-02-09 宁波东旭成新材料科技有限公司 一种漫反射膜
CN114687069B (zh) * 2020-12-30 2023-06-20 江苏青昀新材料有限公司 一种多功能聚合物无纺布及其织物
GB2629753A (en) 2023-02-27 2024-11-13 Hunt Tech Limited Improvements relating to insulation

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081519A (en) 1962-01-31 1963-03-19 Fibrillated strand
NL300881A (enExample) 1962-11-23
US3860369A (en) 1972-11-02 1975-01-14 Du Pont Apparatus for making non-woven fibrous sheet
US4912720A (en) 1988-10-27 1990-03-27 Labsphere, Inc. Laser cavity material
US4999222A (en) 1989-07-10 1991-03-12 E. I. Du Pont De Nemours And Company Metallized polyethylene plexifilamentary film-fibril sheet
JPH0894809A (ja) * 1994-09-26 1996-04-12 Ono Gijutsu Kenkyusho:Kk 多孔質ゲル乾燥皮膜を塗被してなる拡散反射部材とその製法
US5596450A (en) * 1995-01-06 1997-01-21 W. L. Gore & Associates, Inc. Light reflectant surface and method for making and using same
US5863639A (en) * 1995-09-13 1999-01-26 E. I. Du Pont De Nemours And Company Nonwoven sheet products made from plexifilamentary film fibril webs
US5825543A (en) * 1996-02-29 1998-10-20 Minnesota Mining And Manufacturing Company Diffusely reflecting polarizing element including a first birefringent phase and a second phase
WO1998039509A1 (en) 1997-03-05 1998-09-11 E.I. Du Pont De Nemours And Company Improved flash-spun sheet material
US5982548A (en) 1997-05-19 1999-11-09 W. L. Gore & Associates, Inc. Thin light reflectant surface and method for making and using same
US6036327A (en) 1997-07-28 2000-03-14 Lucent Technologies Inc. Transparent display with diffuser backed microtextured illuminating device and method of manufacture therefor
US6497946B1 (en) * 1997-10-24 2002-12-24 3M Innovative Properties Company Diffuse reflective articles
US5976686A (en) 1997-10-24 1999-11-02 3M Innovative Properties Company Diffuse reflective articles
US6123442A (en) 1997-10-24 2000-09-26 Minnesota Mining And Manufacturing Company Articles with diffuse reflection of light from light fibers
DE69903741T2 (de) * 1998-08-18 2003-09-11 Gore Enterprise Holdings Inc Verunreinigungswiderstandsfähige - reinigbare - lichtreflektierende oberfläche
JP2003518202A (ja) * 1999-10-18 2003-06-03 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー フラッシュ紡糸されたシ−ト材料
US6632850B2 (en) * 2001-04-04 2003-10-14 3M Innovative Properties Company Microporous materials and methods of making the same
CN1253730C (zh) * 2001-08-06 2006-04-26 优泊公司 光反射体
JP4143338B2 (ja) * 2002-06-06 2008-09-03 株式会社ユポ・コーポレーション 面光源装置および液晶ディスプレイ装置
JP2004151707A (ja) * 2002-10-11 2004-05-27 Yupo Corp 光反射体
JP2004219926A (ja) * 2003-01-17 2004-08-05 Three M Innovative Properties Co 光学フィルム構造体、照明装置及び液晶表示装置
US7338916B2 (en) 2004-03-31 2008-03-04 E.I. Du Pont De Nemours And Company Flash spun sheet material having improved breathability
JP2005316149A (ja) * 2004-04-28 2005-11-10 Mitsui Chemicals Inc 反射シート

Also Published As

Publication number Publication date
CN1881041A (zh) 2006-12-20
KR101307131B1 (ko) 2013-09-23
EP1724621A1 (en) 2006-11-22
KR20060119784A (ko) 2006-11-24
EP1724621B1 (en) 2016-09-21
US20060262310A1 (en) 2006-11-23
JP2006323392A (ja) 2006-11-30
TW200706919A (en) 2007-02-16
JP5144030B2 (ja) 2013-02-13
CN1881041B (zh) 2010-10-06
US7660040B2 (en) 2010-02-09

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