CN1881041B - 漫反射制品 - Google Patents

漫反射制品 Download PDF

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Publication number
CN1881041B
CN1881041B CN2006100934736A CN200610093473A CN1881041B CN 1881041 B CN1881041 B CN 1881041B CN 2006100934736 A CN2006100934736 A CN 2006100934736A CN 200610093473 A CN200610093473 A CN 200610093473A CN 1881041 B CN1881041 B CN 1881041B
Authority
CN
China
Prior art keywords
goods
nonwoven sheet
diffuse reflector
fiber
optical display
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.)
Active
Application number
CN2006100934736A
Other languages
English (en)
Chinese (zh)
Other versions
CN1881041A (zh
Inventor
A·B·斯塔里
W·J·小加姆博吉
R·W·约翰逊
E·J·莱特福特
H·辛
R·D·史密斯-吉尔斯皮
T·J·小特劳特
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.)
DuPont Safety and Construction Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of CN1881041A publication Critical patent/CN1881041A/zh
Application granted granted Critical
Publication of CN1881041B publication Critical patent/CN1881041B/zh
Anticipated expiration legal-status Critical
Active legal-status Critical Current

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Classifications

    • 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
    • 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
    • G02B6/0035—Means 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered 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
    • B32B5/22—Layered 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
    • B32B5/24—Layered 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
    • B32B5/26—Layered 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
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse 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
    • G02B5/0247—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
    • G02B5/02—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
    • 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
    • G02B6/0051—Diffusing sheet or layer
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements 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)
  • Mathematical Physics (AREA)
  • Biochemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
CN2006100934736A 2005-05-17 2006-05-17 漫反射制品 Active CN1881041B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US68173605P 2005-05-17 2005-05-17
US60/681736 2005-05-17
US11/349487 2006-02-07
US11/349,487 US7660040B2 (en) 2005-05-17 2006-02-07 Diffuse reflective article

Publications (2)

Publication Number Publication Date
CN1881041A CN1881041A (zh) 2006-12-20
CN1881041B true CN1881041B (zh) 2010-10-06

Family

ID=36763153

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006100934736A Active CN1881041B (zh) 2005-05-17 2006-05-17 漫反射制品

Country Status (6)

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

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
KR20080080088A (ko) * 2005-12-22 2008-09-02 도레이 가부시끼가이샤 광반사 시트
JP2010505145A (ja) * 2006-09-29 2010-02-18 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 不織シートを含む拡散反射体
DE102006056150A1 (de) * 2006-11-28 2008-05-29 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Vorrichtung zur Abstrahlung elektromagnetischer Strahlung und Anzeigevorrichtung
WO2008076410A1 (en) 2006-12-18 2008-06-26 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
WO2008146229A2 (en) 2007-05-29 2008-12-04 Koninklijke Philips Electronics N.V. Illumination system, luminaire and backlighting unit
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
WO2009111548A1 (en) * 2008-03-04 2009-09-11 E. I. Du Pont De Nemours And Company Improved reflection-type projection screen
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
JP5457447B2 (ja) 2008-07-10 2014-04-02 スリーエム イノベイティブ プロパティズ カンパニー 粘弾性導光材
CN107037526A (zh) 2008-08-08 2017-08-11 3M创新有限公司 具有粘弹性层的用于控制光的光导
CN102439094A (zh) * 2009-03-20 2012-05-02 埃里克·威廉赫恩·蒂特 漫反射光的涂料组合物、制备涂料组合物的方法以及漫反射光的制品
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
CN102625889B (zh) * 2009-03-20 2016-07-06 埃里克·威廉·赫恩·蒂特 具有聚合物涂层的漫射光的反射体
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
KR20120115568A (ko) 2010-02-10 2012-10-18 쓰리엠 이노베이티브 프로퍼티즈 컴파니 점탄성 층을 구비한 조명 장치
US9101036B2 (en) 2010-08-20 2015-08-04 Research Triangle Institute Photoluminescent nanofiber composites, methods for fabrication, and related lighting devices
US9441811B2 (en) 2010-08-20 2016-09-13 Research Triangle Institute Lighting devices utilizing optical waveguides and remote light converters, and related methods
US9562671B2 (en) 2010-08-20 2017-02-07 Research Triangle Institute Color-tunable lighting devices and methods of use
US9453728B2 (en) * 2010-09-13 2016-09-27 Micro-Epsilon Optronic Gmbh Optical measurement system for determining distances
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
US20120154917A1 (en) * 2011-01-18 2012-06-21 Eric William Hearn Teather Color-shifting reflector
EP3124236A1 (en) 2011-06-17 2017-02-01 Fiberweb, Inc. Vapor permeable, substantially water impermeable multilayer article
US10369769B2 (en) 2011-06-23 2019-08-06 Fiberweb, Inc. Vapor-permeable, substantially water-impermeable multilayer article
EP2723568B1 (en) 2011-06-23 2017-09-27 Fiberweb, LLC Vapor permeable, substantially water impermeable multilayer article
EP2723567A4 (en) 2011-06-24 2014-12-24 Fiberweb Inc MULTILAYER ARTICLE PERMEABLE TO WATER VAPOR, BUT ESSENTIALLY WATERPROOF
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
US9303357B2 (en) 2013-04-19 2016-04-05 Eastman Chemical Company 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
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
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
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
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
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
MX383306B (es) 2016-08-02 2025-03-13 Fitesa Germany Gmbh Sistema y proceso para preparar telas no tejidas de acido polilactico.
US11441251B2 (en) 2016-08-16 2022-09-13 Fitesa Germany Gmbh Nonwoven fabrics comprising polylactic acid having improved strength and toughness
EP3738763B1 (en) * 2016-10-11 2021-10-20 DuPont Safety & Construction, Inc. Wound roll of fibrous nonwoven sheet for use in a sterile package
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5976686A (en) * 1997-10-24 1999-11-02 3M Innovative Properties Company Diffuse reflective articles
US5982548A (en) * 1997-05-19 1999-11-09 W. L. Gore & Associates, Inc. Thin light reflectant surface and method for making and using same
US6057961A (en) * 1996-02-29 2000-05-02 3M Innovative Properties Company Optical film with increased gain at non-normal angles of incidence

Family Cites Families (21)

* 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 (https=) 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
ES2165671T3 (es) 1997-03-05 2002-03-16 Du Pont Material laminar mejorado fabricado por hilatura por evaporacion subita.
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
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
CN1221688C (zh) * 1999-10-18 2005-10-05 纳幕尔杜邦公司 闪蒸纺制的薄片材料
US6632850B2 (en) * 2001-04-04 2003-10-14 3M Innovative Properties Company Microporous materials and methods of making the same
WO2003014778A1 (en) * 2001-08-06 2003-02-20 Yupo Corporation Light reflector
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6057961A (en) * 1996-02-29 2000-05-02 3M Innovative Properties Company Optical film with increased gain at non-normal angles of incidence
US5982548A (en) * 1997-05-19 1999-11-09 W. L. Gore & Associates, Inc. Thin light reflectant surface and method for making and using same
US5976686A (en) * 1997-10-24 1999-11-02 3M Innovative Properties Company Diffuse reflective articles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
说明书第6栏第49-50行、表1.

Also Published As

Publication number Publication date
EP1724621A1 (en) 2006-11-22
US20060262310A1 (en) 2006-11-23
CN1881041A (zh) 2006-12-20
TWI429955B (zh) 2014-03-11
EP1724621B1 (en) 2016-09-21
JP5144030B2 (ja) 2013-02-13
KR20060119784A (ko) 2006-11-24
JP2006323392A (ja) 2006-11-30
KR101307131B1 (ko) 2013-09-23
US7660040B2 (en) 2010-02-09
TW200706919A (en) 2007-02-16

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